./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--video--fbdev--udlfb.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_cae7c411-69dc-4a33-839f-7ea99df934a0/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/bin/utaipan-verify-YMUCfTKeje --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 81dbe8069ce4dfce1c2f5ecd6b7071863ebf3cc1894dcf2fe187946b9d9f58fb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:39:39,684 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:39:39,785 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 05:39:39,792 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:39:39,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:39:39,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:39:39,830 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:39:39,831 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:39:39,832 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:39:39,833 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:39:39,833 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:39:39,834 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:39:39,835 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:39:39,835 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:39:39,837 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:39:39,838 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:39:39,838 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:39:39,838 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:39:39,839 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:39:39,839 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:39:39,840 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:39:39,843 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:39:39,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:39:39,844 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:39:39,844 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:39:39,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:39:39,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:39:39,845 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:39:39,845 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:39:39,846 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:39:39,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:39:39,846 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:39:39,848 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:39:39,848 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:39:39,849 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:39:39,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:39:39,849 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:39:39,850 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:39:39,851 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:39:39,851 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:39:39,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:39:39,852 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:39:39,852 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:39:39,852 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:39:39,853 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_cae7c411-69dc-4a33-839f-7ea99df934a0/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81dbe8069ce4dfce1c2f5ecd6b7071863ebf3cc1894dcf2fe187946b9d9f58fb [2024-11-09 05:39:40,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:39:40,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:39:40,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:39:40,160 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:39:40,161 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:39:40,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i Unable to find full path for "g++" [2024-11-09 05:39:42,194 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:39:42,863 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:39:42,864 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i [2024-11-09 05:39:42,926 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/bin/utaipan-verify-YMUCfTKeje/data/93d0c5822/71b010dae19d4cd5b9ac89a362c5bbc3/FLAGee1e12bf1 [2024-11-09 05:39:43,275 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/bin/utaipan-verify-YMUCfTKeje/data/93d0c5822/71b010dae19d4cd5b9ac89a362c5bbc3 [2024-11-09 05:39:43,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:39:43,280 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:39:43,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:39:43,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:39:43,289 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:39:43,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:39:43" (1/1) ... [2024-11-09 05:39:43,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@790e7fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:43, skipping insertion in model container [2024-11-09 05:39:43,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:39:43" (1/1) ... [2024-11-09 05:39:43,440 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:39:47,643 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375016,375029] [2024-11-09 05:39:47,648 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375161,375174] [2024-11-09 05:39:47,649 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375307,375320] [2024-11-09 05:39:47,649 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375472,375485] [2024-11-09 05:39:47,650 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375630,375643] [2024-11-09 05:39:47,651 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375788,375801] [2024-11-09 05:39:47,651 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375946,375959] [2024-11-09 05:39:47,652 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376106,376119] [2024-11-09 05:39:47,653 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376265,376278] [2024-11-09 05:39:47,653 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376404,376417] [2024-11-09 05:39:47,654 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376546,376559] [2024-11-09 05:39:47,655 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376695,376708] [2024-11-09 05:39:47,656 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376834,376847] [2024-11-09 05:39:47,656 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376989,377002] [2024-11-09 05:39:47,657 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377149,377162] [2024-11-09 05:39:47,658 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377300,377313] [2024-11-09 05:39:47,658 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377451,377464] [2024-11-09 05:39:47,659 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377603,377616] [2024-11-09 05:39:47,660 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377752,377765] [2024-11-09 05:39:47,661 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377900,377913] [2024-11-09 05:39:47,661 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378057,378070] [2024-11-09 05:39:47,662 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378206,378219] [2024-11-09 05:39:47,663 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378362,378375] [2024-11-09 05:39:47,663 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378515,378528] [2024-11-09 05:39:47,664 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378661,378674] [2024-11-09 05:39:47,665 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378804,378817] [2024-11-09 05:39:47,665 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378956,378969] [2024-11-09 05:39:47,666 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379102,379115] [2024-11-09 05:39:47,667 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379247,379260] [2024-11-09 05:39:47,667 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379401,379414] [2024-11-09 05:39:47,668 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379552,379565] [2024-11-09 05:39:47,669 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379707,379720] [2024-11-09 05:39:47,669 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379859,379872] [2024-11-09 05:39:47,670 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380014,380027] [2024-11-09 05:39:47,671 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380178,380191] [2024-11-09 05:39:47,671 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380334,380347] [2024-11-09 05:39:47,672 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380498,380511] [2024-11-09 05:39:47,673 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380640,380653] [2024-11-09 05:39:47,673 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380798,380811] [2024-11-09 05:39:47,674 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380965,380978] [2024-11-09 05:39:47,675 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381124,381137] [2024-11-09 05:39:47,675 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381283,381296] [2024-11-09 05:39:47,676 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381432,381445] [2024-11-09 05:39:47,677 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381579,381592] [2024-11-09 05:39:47,678 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381718,381731] [2024-11-09 05:39:47,678 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381881,381894] [2024-11-09 05:39:47,679 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382047,382060] [2024-11-09 05:39:47,679 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382211,382224] [2024-11-09 05:39:47,680 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382376,382389] [2024-11-09 05:39:47,681 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382541,382554] [2024-11-09 05:39:47,682 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382707,382720] [2024-11-09 05:39:47,682 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382872,382885] [2024-11-09 05:39:47,683 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383039,383052] [2024-11-09 05:39:47,684 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383199,383212] [2024-11-09 05:39:47,684 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383361,383374] [2024-11-09 05:39:47,685 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383520,383533] [2024-11-09 05:39:47,686 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383666,383679] [2024-11-09 05:39:47,686 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383809,383822] [2024-11-09 05:39:47,687 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383953,383966] [2024-11-09 05:39:47,688 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384096,384109] [2024-11-09 05:39:47,688 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384240,384253] [2024-11-09 05:39:47,689 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384381,384394] [2024-11-09 05:39:47,690 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384519,384532] [2024-11-09 05:39:47,691 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384677,384690] [2024-11-09 05:39:47,691 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384836,384849] [2024-11-09 05:39:47,692 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384992,385005] [2024-11-09 05:39:47,693 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385141,385154] [2024-11-09 05:39:47,693 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385293,385306] [2024-11-09 05:39:47,694 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385444,385457] [2024-11-09 05:39:47,695 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385593,385606] [2024-11-09 05:39:47,695 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385745,385758] [2024-11-09 05:39:47,696 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385893,385906] [2024-11-09 05:39:47,696 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386046,386059] [2024-11-09 05:39:47,697 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386197,386210] [2024-11-09 05:39:47,697 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386347,386360] [2024-11-09 05:39:47,698 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386494,386507] [2024-11-09 05:39:47,701 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386645,386658] [2024-11-09 05:39:47,703 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386796,386809] [2024-11-09 05:39:47,704 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386944,386957] [2024-11-09 05:39:47,704 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387110,387123] [2024-11-09 05:39:47,705 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387279,387292] [2024-11-09 05:39:47,706 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387446,387459] [2024-11-09 05:39:47,707 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387614,387627] [2024-11-09 05:39:47,708 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387764,387777] [2024-11-09 05:39:47,709 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387911,387924] [2024-11-09 05:39:47,711 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[388072,388085] [2024-11-09 05:39:47,712 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[388242,388255] [2024-11-09 05:39:47,744 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[388404,388417] [2024-11-09 05:39:47,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:39:47,804 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:39:47,928 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" (179), "i" (12UL)); [4865-4866] [2024-11-09 05:39:47,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c6;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c5\n .byte 772b-771b\n .short %c7\n.popsection\n": "=D" (__edi), "=S" (__esi), "=d" (__edx), "=c" (__ecx), "=a" (__eax): [paravirt_typenum] "i" (34UL), [paravirt_opptr] "i" (& pv_cpu_ops.read_tsc), [paravirt_clobber] "i" (511): "memory", "cc", "r8", "r9", "r10", "r11"); [4871-4874] [2024-11-09 05:39:47,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("661:\n\tprefetcht0 (%1)\n662:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6631f - .\n .word ( 1*32+31)\n .byte 662b-661b\n .byte 6641f-6631f\n.popsection\n.pushsection .discard,\"aw\",@progbits\n .byte 0xff + (6641f-6631f) - (662b-661b)\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6631:\n\tprefetchw (%1)\n6641:\n\t.popsection": : "i" (0), "r" (x)); [4882-4883] [2024-11-09 05:39:47,968 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)front) [5622] [2024-11-09 05:39:47,970 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)back) [5623] [2024-11-09 05:39:48,163 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/video/fbdev/udlfb.c"), "i" (1932), "i" (12UL)); [7660-7661] [2024-11-09 05:39:48,164 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/video/fbdev/udlfb.c"), "i" (1950), "i" (12UL)); [7689-7690] [2024-11-09 05:39:48,271 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375016,375029] [2024-11-09 05:39:48,272 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375161,375174] [2024-11-09 05:39:48,272 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375307,375320] [2024-11-09 05:39:48,273 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375472,375485] [2024-11-09 05:39:48,274 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375630,375643] [2024-11-09 05:39:48,275 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375788,375801] [2024-11-09 05:39:48,275 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375946,375959] [2024-11-09 05:39:48,276 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376106,376119] [2024-11-09 05:39:48,276 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376265,376278] [2024-11-09 05:39:48,277 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376404,376417] [2024-11-09 05:39:48,278 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376546,376559] [2024-11-09 05:39:48,279 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376695,376708] [2024-11-09 05:39:48,280 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376834,376847] [2024-11-09 05:39:48,281 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376989,377002] [2024-11-09 05:39:48,281 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377149,377162] [2024-11-09 05:39:48,282 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377300,377313] [2024-11-09 05:39:48,282 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377451,377464] [2024-11-09 05:39:48,283 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377603,377616] [2024-11-09 05:39:48,283 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377752,377765] [2024-11-09 05:39:48,284 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377900,377913] [2024-11-09 05:39:48,284 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378057,378070] [2024-11-09 05:39:48,286 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378206,378219] [2024-11-09 05:39:48,287 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378362,378375] [2024-11-09 05:39:48,287 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378515,378528] [2024-11-09 05:39:48,288 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378661,378674] [2024-11-09 05:39:48,288 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378804,378817] [2024-11-09 05:39:48,289 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378956,378969] [2024-11-09 05:39:48,289 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379102,379115] [2024-11-09 05:39:48,290 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379247,379260] [2024-11-09 05:39:48,292 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379401,379414] [2024-11-09 05:39:48,293 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379552,379565] [2024-11-09 05:39:48,294 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379707,379720] [2024-11-09 05:39:48,295 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379859,379872] [2024-11-09 05:39:48,296 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380014,380027] [2024-11-09 05:39:48,296 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380178,380191] [2024-11-09 05:39:48,297 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380334,380347] [2024-11-09 05:39:48,297 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380498,380511] [2024-11-09 05:39:48,298 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380640,380653] [2024-11-09 05:39:48,299 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380798,380811] [2024-11-09 05:39:48,300 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380965,380978] [2024-11-09 05:39:48,301 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381124,381137] [2024-11-09 05:39:48,302 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381283,381296] [2024-11-09 05:39:48,303 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381432,381445] [2024-11-09 05:39:48,308 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381579,381592] [2024-11-09 05:39:48,308 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381718,381731] [2024-11-09 05:39:48,309 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381881,381894] [2024-11-09 05:39:48,309 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382047,382060] [2024-11-09 05:39:48,309 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382211,382224] [2024-11-09 05:39:48,310 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382376,382389] [2024-11-09 05:39:48,310 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382541,382554] [2024-11-09 05:39:48,311 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382707,382720] [2024-11-09 05:39:48,311 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382872,382885] [2024-11-09 05:39:48,311 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383039,383052] [2024-11-09 05:39:48,312 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383199,383212] [2024-11-09 05:39:48,312 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383361,383374] [2024-11-09 05:39:48,313 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383520,383533] [2024-11-09 05:39:48,315 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383666,383679] [2024-11-09 05:39:48,315 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383809,383822] [2024-11-09 05:39:48,316 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383953,383966] [2024-11-09 05:39:48,317 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384096,384109] [2024-11-09 05:39:48,318 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384240,384253] [2024-11-09 05:39:48,319 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384381,384394] [2024-11-09 05:39:48,321 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384519,384532] [2024-11-09 05:39:48,321 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384677,384690] [2024-11-09 05:39:48,322 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384836,384849] [2024-11-09 05:39:48,322 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384992,385005] [2024-11-09 05:39:48,323 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385141,385154] [2024-11-09 05:39:48,323 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385293,385306] [2024-11-09 05:39:48,324 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385444,385457] [2024-11-09 05:39:48,324 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385593,385606] [2024-11-09 05:39:48,325 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385745,385758] [2024-11-09 05:39:48,326 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385893,385906] [2024-11-09 05:39:48,327 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386046,386059] [2024-11-09 05:39:48,328 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386197,386210] [2024-11-09 05:39:48,328 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386347,386360] [2024-11-09 05:39:48,329 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386494,386507] [2024-11-09 05:39:48,330 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386645,386658] [2024-11-09 05:39:48,331 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386796,386809] [2024-11-09 05:39:48,331 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386944,386957] [2024-11-09 05:39:48,332 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387110,387123] [2024-11-09 05:39:48,333 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387279,387292] [2024-11-09 05:39:48,334 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387446,387459] [2024-11-09 05:39:48,335 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387614,387627] [2024-11-09 05:39:48,335 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387764,387777] [2024-11-09 05:39:48,336 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387911,387924] [2024-11-09 05:39:48,337 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[388072,388085] [2024-11-09 05:39:48,338 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[388242,388255] [2024-11-09 05:39:48,339 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[388404,388417] [2024-11-09 05:39:48,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:39:48,700 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:39:48,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:48 WrapperNode [2024-11-09 05:39:48,702 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:39:48,703 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:39:48,703 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:39:48,703 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:39:48,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:48" (1/1) ... [2024-11-09 05:39:48,830 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:48" (1/1) ... [2024-11-09 05:39:49,117 INFO L138 Inliner]: procedures = 634, calls = 2135, calls flagged for inlining = 298, calls inlined = 222, statements flattened = 5317 [2024-11-09 05:39:49,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:39:49,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:39:49,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:39:49,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:39:49,130 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:48" (1/1) ... [2024-11-09 05:39:49,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:48" (1/1) ... [2024-11-09 05:39:49,154 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:48" (1/1) ... [2024-11-09 05:39:49,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:48" (1/1) ... [2024-11-09 05:39:49,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:48" (1/1) ... [2024-11-09 05:39:49,329 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:48" (1/1) ... [2024-11-09 05:39:49,372 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:48" (1/1) ... [2024-11-09 05:39:49,395 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:48" (1/1) ... [2024-11-09 05:39:49,448 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:39:49,449 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:39:49,449 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:39:49,449 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:39:49,450 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:48" (1/1) ... [2024-11-09 05:39:49,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:39:49,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:39:49,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:39:49,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:39:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-09 05:39:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-09 05:39:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_urb_completion [2024-11-09 05:39:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_urb_completion [2024-11-09 05:39:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2024-11-09 05:39:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2024-11-09 05:39:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-09 05:39:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-09 05:39:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer_work [2024-11-09 05:39:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer_work [2024-11-09 05:39:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_5_23 [2024-11-09 05:39:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_5_23 [2024-11-09 05:39:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 05:39:49,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 05:39:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2024-11-09 05:39:49,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2024-11-09 05:39:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-09 05:39:49,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-09 05:39:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_fb_info [2024-11-09 05:39:49,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_fb_info [2024-11-09 05:39:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2024-11-09 05:39:49,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2024-11-09 05:39:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2024-11-09 05:39:49,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2024-11-09 05:39:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_reset_store [2024-11-09 05:39:49,535 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_reset_store [2024-11-09 05:39:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-09 05:39:49,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-09 05:39:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_urb_list [2024-11-09 05:39:49,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_urb_list [2024-11-09 05:39:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-09 05:39:49,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-09 05:39:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2024-11-09 05:39:49,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2024-11-09 05:39:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2024-11-09 05:39:49,536 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2024-11-09 05:39:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:39:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2024-11-09 05:39:49,537 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2024-11-09 05:39:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure fb_edid_to_monspecs [2024-11-09 05:39:49,537 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_edid_to_monspecs [2024-11-09 05:39:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-09 05:39:49,537 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-09 05:39:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_setup_modes [2024-11-09 05:39:49,540 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_setup_modes [2024-11-09 05:39:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2024-11-09 05:39:49,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2024-11-09 05:39:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-09 05:39:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-09 05:39:49,541 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-09 05:39:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_lock [2024-11-09 05:39:49,541 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_lock [2024-11-09 05:39:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-09 05:39:49,542 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-09 05:39:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 05:39:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2024-11-09 05:39:49,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2024-11-09 05:39:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-09 05:39:49,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-09 05:39:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2024-11-09 05:39:49,543 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2024-11-09 05:39:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2024-11-09 05:39:49,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2024-11-09 05:39:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:39:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2024-11-09 05:39:49,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2024-11-09 05:39:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2024-11-09 05:39:49,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2024-11-09 05:39:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer [2024-11-09 05:39:49,544 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer [2024-11-09 05:39:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-09 05:39:49,544 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-09 05:39:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2024-11-09 05:39:49,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2024-11-09 05:39:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_var_color_format [2024-11-09 05:39:49,544 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_var_color_format [2024-11-09 05:39:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-09 05:39:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-09 05:39:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-09 05:39:49,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-09 05:39:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2024-11-09 05:39:49,547 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2024-11-09 05:39:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-09 05:39:49,547 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-09 05:39:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2024-11-09 05:39:49,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2024-11-09 05:39:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-09 05:39:49,548 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-09 05:39:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2024-11-09 05:39:49,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2024-11-09 05:39:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 05:39:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16 [2024-11-09 05:39:49,549 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16 [2024-11-09 05:39:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:39:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-09 05:39:49,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-09 05:39:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 05:39:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 05:39:49,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 05:39:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-09 05:39:49,550 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-09 05:39:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register [2024-11-09 05:39:49,554 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register [2024-11-09 05:39:49,554 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-09 05:39:49,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-09 05:39:49,554 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-11-09 05:39:49,554 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-11-09 05:39:49,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2024-11-09 05:39:49,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2024-11-09 05:39:49,555 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_init_framebuffer_work [2024-11-09 05:39:49,555 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_init_framebuffer_work [2024-11-09 05:39:49,555 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-11-09 05:39:49,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-11-09 05:39:49,555 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-09 05:39:49,555 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-09 05:39:49,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2024-11-09 05:39:49,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2024-11-09 05:39:49,555 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2024-11-09 05:39:49,556 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2024-11-09 05:39:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_fb_ops_dummy_resourceless_instance_5 [2024-11-09 05:39:49,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_fb_ops_dummy_resourceless_instance_5 [2024-11-09 05:39:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2024-11-09 05:39:49,556 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2024-11-09 05:39:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:39:49,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:39:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2024-11-09 05:39:49,556 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2024-11-09 05:39:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_submit_urb [2024-11-09 05:39:49,557 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_submit_urb [2024-11-09 05:39:49,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-09 05:39:49,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 05:39:49,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-09 05:39:49,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-09 05:39:49,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-09 05:39:49,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-09 05:39:49,561 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_unlock [2024-11-09 05:39:49,561 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_unlock [2024-11-09 05:39:49,562 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_check_var [2024-11-09 05:39:49,562 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_check_var [2024-11-09 05:39:49,562 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_is_valid_mode [2024-11-09 05:39:49,562 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_is_valid_mode [2024-11-09 05:39:49,562 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_lfsr16 [2024-11-09 05:39:49,562 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_lfsr16 [2024-11-09 05:39:49,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-09 05:39:49,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-09 05:39:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2024-11-09 05:39:49,615 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2024-11-09 05:39:49,616 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2024-11-09 05:39:49,616 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2024-11-09 05:39:49,616 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-09 05:39:49,619 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-09 05:39:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 05:39:49,624 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 05:39:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_release [2024-11-09 05:39:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_release [2024-11-09 05:39:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_urb [2024-11-09 05:39:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_urb [2024-11-09 05:39:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_framebuffer_103 [2024-11-09 05:39:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_framebuffer_103 [2024-11-09 05:39:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_video_mode [2024-11-09 05:39:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_video_mode [2024-11-09 05:39:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2024-11-09 05:39:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2024-11-09 05:39:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2024-11-09 05:39:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2024-11-09 05:39:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_blank [2024-11-09 05:39:49,626 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_blank [2024-11-09 05:39:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2024-11-09 05:39:49,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2024-11-09 05:39:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:39:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-09 05:39:49,626 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-09 05:39:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2024-11-09 05:39:49,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2024-11-09 05:39:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure get_cycles [2024-11-09 05:39:49,626 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cycles [2024-11-09 05:39:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure up [2024-11-09 05:39:49,626 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2024-11-09 05:39:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 05:39:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2024-11-09 05:39:49,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2024-11-09 05:39:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-09 05:39:49,627 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-09 05:39:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 05:39:49,627 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 05:39:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-09 05:39:49,631 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-09 05:39:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2024-11-09 05:39:49,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2024-11-09 05:39:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-09 05:39:49,632 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-09 05:39:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-09 05:39:49,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-09 05:39:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-11-09 05:39:49,632 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-11-09 05:39:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-09 05:39:49,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-09 05:39:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2024-11-09 05:39:49,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2024-11-09 05:39:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2024-11-09 05:39:49,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2024-11-09 05:39:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-11-09 05:39:49,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-11-09 05:39:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2024-11-09 05:39:49,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2024-11-09 05:39:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2024-11-09 05:39:49,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2024-11-09 05:39:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2024-11-09 05:39:49,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2024-11-09 05:39:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-09 05:39:49,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-09 05:39:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2024-11-09 05:39:49,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2024-11-09 05:39:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-09 05:39:49,634 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-09 05:39:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-11-09 05:39:49,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-11-09 05:39:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_handle_damage [2024-11-09 05:39:49,641 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_handle_damage [2024-11-09 05:39:49,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:39:49,641 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_render_hline [2024-11-09 05:39:49,641 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_render_hline [2024-11-09 05:39:49,642 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_disconnect [2024-11-09 05:39:49,643 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_disconnect [2024-11-09 05:39:49,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2024-11-09 05:39:49,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2024-11-09 05:39:49,643 INFO L130 BoogieDeclarations]: Found specification of procedure edid_show [2024-11-09 05:39:49,643 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_show [2024-11-09 05:39:49,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-09 05:39:49,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-09 05:39:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2024-11-09 05:39:49,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2024-11-09 05:39:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_blanking [2024-11-09 05:39:49,646 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_blanking [2024-11-09 05:39:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-09 05:39:49,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-09 05:39:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2024-11-09 05:39:49,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2024-11-09 05:39:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-11-09 05:39:49,647 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-11-09 05:39:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_13_2 [2024-11-09 05:39:49,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_13_2 [2024-11-09 05:39:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_framebuffer [2024-11-09 05:39:49,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_framebuffer [2024-11-09 05:39:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_set_par [2024-11-09 05:39:49,647 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_set_par [2024-11-09 05:39:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2024-11-09 05:39:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:39:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure edid_store [2024-11-09 05:39:49,647 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_store [2024-11-09 05:39:50,661 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:39:50,666 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:39:51,000 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-09 05:40:05,285 INFO L? ?]: Removed 2623 outVars from TransFormulas that were not future-live. [2024-11-09 05:40:05,286 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:40:07,102 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:40:07,102 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 05:40:07,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:40:07 BoogieIcfgContainer [2024-11-09 05:40:07,105 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:40:07,107 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:40:07,107 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:40:07,113 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:40:07,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:39:43" (1/3) ... [2024-11-09 05:40:07,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b6490a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:40:07, skipping insertion in model container [2024-11-09 05:40:07,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:48" (2/3) ... [2024-11-09 05:40:07,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b6490a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:40:07, skipping insertion in model container [2024-11-09 05:40:07,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:40:07" (3/3) ... [2024-11-09 05:40:07,115 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i [2024-11-09 05:40:07,138 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:40:07,138 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2024-11-09 05:40:07,288 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:40:07,297 INFO L333 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, 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;@266e8696, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:40:07,297 INFO L334 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2024-11-09 05:40:07,310 INFO L276 IsEmpty]: Start isEmpty. Operand has 1454 states, 834 states have (on average 1.3081534772182255) internal successors, (1091), 909 states have internal predecessors, (1091), 470 states have call successors, (470), 117 states have call predecessors, (470), 116 states have return successors, (462), 448 states have call predecessors, (462), 462 states have call successors, (462) [2024-11-09 05:40:07,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 05:40:07,324 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:40:07,326 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:40:07,326 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:40:07,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:40:07,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1109310945, now seen corresponding path program 1 times [2024-11-09 05:40:07,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:40:07,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220372421] [2024-11-09 05:40:07,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:07,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:40:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:13,039 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:40:13,040 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:40:13,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220372421] [2024-11-09 05:40:13,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220372421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:40:13,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:40:13,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:40:13,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104508057] [2024-11-09 05:40:13,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:40:13,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:40:13,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:40:13,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:40:13,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:40:13,093 INFO L87 Difference]: Start difference. First operand has 1454 states, 834 states have (on average 1.3081534772182255) internal successors, (1091), 909 states have internal predecessors, (1091), 470 states have call successors, (470), 117 states have call predecessors, (470), 116 states have return successors, (462), 448 states have call predecessors, (462), 462 states have call successors, (462) Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-09 05:40:15,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:17,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:20,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:22,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:27,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:40:27,047 INFO L93 Difference]: Finished difference Result 2869 states and 4113 transitions. [2024-11-09 05:40:27,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:40:27,052 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 51 [2024-11-09 05:40:27,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:40:27,097 INFO L225 Difference]: With dead ends: 2869 [2024-11-09 05:40:27,098 INFO L226 Difference]: Without dead ends: 1436 [2024-11-09 05:40:27,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:40:27,116 INFO L432 NwaCegarLoop]: 1738 mSDtfsCounter, 1965 mSDsluCounter, 1738 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1965 SdHoareTripleChecker+Valid, 3476 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:40:27,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1965 Valid, 3476 Invalid, 497 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 493 Invalid, 4 Unknown, 0 Unchecked, 13.6s Time] [2024-11-09 05:40:27,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1436 states. [2024-11-09 05:40:27,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1436 to 1436. [2024-11-09 05:40:27,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1436 states, 827 states have (on average 1.2599758162031438) internal successors, (1042), 894 states have internal predecessors, (1042), 462 states have call successors, (462), 116 states have call predecessors, (462), 115 states have return successors, (460), 446 states have call predecessors, (460), 460 states have call successors, (460) [2024-11-09 05:40:27,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1436 states and 1964 transitions. [2024-11-09 05:40:27,396 INFO L78 Accepts]: Start accepts. Automaton has 1436 states and 1964 transitions. Word has length 51 [2024-11-09 05:40:27,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:40:27,399 INFO L471 AbstractCegarLoop]: Abstraction has 1436 states and 1964 transitions. [2024-11-09 05:40:27,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-09 05:40:27,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 1964 transitions. [2024-11-09 05:40:27,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 05:40:27,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:40:27,404 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:40:27,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:40:27,404 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:40:27,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:40:27,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1272712999, now seen corresponding path program 1 times [2024-11-09 05:40:27,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:40:27,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442118866] [2024-11-09 05:40:27,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:27,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:40:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:31,533 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:40:31,534 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:40:31,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442118866] [2024-11-09 05:40:31,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442118866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:40:31,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:40:31,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:40:31,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231992578] [2024-11-09 05:40:31,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:40:31,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:40:31,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:40:31,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:40:31,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:40:31,540 INFO L87 Difference]: Start difference. First operand 1436 states and 1964 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 05:40:33,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:35,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:39,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:41,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:45,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:40:45,591 INFO L93 Difference]: Finished difference Result 1436 states and 1964 transitions. [2024-11-09 05:40:45,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:40:45,592 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 56 [2024-11-09 05:40:45,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:40:45,607 INFO L225 Difference]: With dead ends: 1436 [2024-11-09 05:40:45,608 INFO L226 Difference]: Without dead ends: 1434 [2024-11-09 05:40:45,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:40:45,611 INFO L432 NwaCegarLoop]: 1714 mSDtfsCounter, 1939 mSDsluCounter, 1714 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1939 SdHoareTripleChecker+Valid, 3428 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:40:45,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1939 Valid, 3428 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 491 Invalid, 4 Unknown, 0 Unchecked, 13.8s Time] [2024-11-09 05:40:45,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1434 states. [2024-11-09 05:40:45,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1434 to 1434. [2024-11-09 05:40:45,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1434 states, 826 states have (on average 1.2590799031476998) internal successors, (1040), 892 states have internal predecessors, (1040), 462 states have call successors, (462), 116 states have call predecessors, (462), 115 states have return successors, (460), 446 states have call predecessors, (460), 460 states have call successors, (460) [2024-11-09 05:40:45,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 1962 transitions. [2024-11-09 05:40:45,747 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 1962 transitions. Word has length 56 [2024-11-09 05:40:45,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:40:45,748 INFO L471 AbstractCegarLoop]: Abstraction has 1434 states and 1962 transitions. [2024-11-09 05:40:45,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 05:40:45,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 1962 transitions. [2024-11-09 05:40:45,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 05:40:45,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:40:45,753 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:40:45,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:40:45,753 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:40:45,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:40:45,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1542396185, now seen corresponding path program 1 times [2024-11-09 05:40:45,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:40:45,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268998392] [2024-11-09 05:40:45,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:45,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:40:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:49,137 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:40:49,138 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:40:49,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268998392] [2024-11-09 05:40:49,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268998392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:40:49,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:40:49,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:40:49,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724406542] [2024-11-09 05:40:49,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:40:49,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:40:49,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:40:49,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:40:49,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:40:49,142 INFO L87 Difference]: Start difference. First operand 1434 states and 1962 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 05:40:51,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:53,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:56,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:58,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:02,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:41:02,130 INFO L93 Difference]: Finished difference Result 1434 states and 1962 transitions. [2024-11-09 05:41:02,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:41:02,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 61 [2024-11-09 05:41:02,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:41:02,141 INFO L225 Difference]: With dead ends: 1434 [2024-11-09 05:41:02,142 INFO L226 Difference]: Without dead ends: 1432 [2024-11-09 05:41:02,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:41:02,144 INFO L432 NwaCegarLoop]: 1712 mSDtfsCounter, 1936 mSDsluCounter, 1712 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1936 SdHoareTripleChecker+Valid, 3424 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:41:02,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1936 Valid, 3424 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 492 Invalid, 3 Unknown, 0 Unchecked, 12.8s Time] [2024-11-09 05:41:02,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2024-11-09 05:41:02,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1432. [2024-11-09 05:41:02,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 825 states have (on average 1.2581818181818183) internal successors, (1038), 890 states have internal predecessors, (1038), 462 states have call successors, (462), 116 states have call predecessors, (462), 115 states have return successors, (460), 446 states have call predecessors, (460), 460 states have call successors, (460) [2024-11-09 05:41:02,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 1960 transitions. [2024-11-09 05:41:02,244 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 1960 transitions. Word has length 61 [2024-11-09 05:41:02,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:41:02,246 INFO L471 AbstractCegarLoop]: Abstraction has 1432 states and 1960 transitions. [2024-11-09 05:41:02,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 05:41:02,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 1960 transitions. [2024-11-09 05:41:02,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 05:41:02,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:02,253 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:41:02,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:41:02,253 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:41:02,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:02,255 INFO L85 PathProgramCache]: Analyzing trace with hash 2036852985, now seen corresponding path program 1 times [2024-11-09 05:41:02,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:41:02,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877337531] [2024-11-09 05:41:02,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:02,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:41:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:05,338 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:41:05,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:41:05,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877337531] [2024-11-09 05:41:05,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877337531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:41:05,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:41:05,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:41:05,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028254008] [2024-11-09 05:41:05,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:41:05,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:41:05,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:41:05,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:41:05,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:41:05,341 INFO L87 Difference]: Start difference. First operand 1432 states and 1960 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 05:41:07,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:09,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:12,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:14,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:18,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:41:18,140 INFO L93 Difference]: Finished difference Result 1432 states and 1960 transitions. [2024-11-09 05:41:18,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:41:18,140 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 66 [2024-11-09 05:41:18,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:41:18,153 INFO L225 Difference]: With dead ends: 1432 [2024-11-09 05:41:18,153 INFO L226 Difference]: Without dead ends: 1430 [2024-11-09 05:41:18,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:41:18,157 INFO L432 NwaCegarLoop]: 1710 mSDtfsCounter, 1933 mSDsluCounter, 1710 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1933 SdHoareTripleChecker+Valid, 3420 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:41:18,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1933 Valid, 3420 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 492 Invalid, 3 Unknown, 0 Unchecked, 12.6s Time] [2024-11-09 05:41:18,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2024-11-09 05:41:18,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1430. [2024-11-09 05:41:18,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1430 states, 824 states have (on average 1.2572815533980584) internal successors, (1036), 888 states have internal predecessors, (1036), 462 states have call successors, (462), 116 states have call predecessors, (462), 115 states have return successors, (460), 446 states have call predecessors, (460), 460 states have call successors, (460) [2024-11-09 05:41:18,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 1958 transitions. [2024-11-09 05:41:18,277 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 1958 transitions. Word has length 66 [2024-11-09 05:41:18,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:41:18,277 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 1958 transitions. [2024-11-09 05:41:18,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 05:41:18,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 1958 transitions. [2024-11-09 05:41:18,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 05:41:18,280 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:18,280 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:41:18,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:41:18,281 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:41:18,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:18,281 INFO L85 PathProgramCache]: Analyzing trace with hash 967973687, now seen corresponding path program 1 times [2024-11-09 05:41:18,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:41:18,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593184975] [2024-11-09 05:41:18,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:18,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:41:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:21,292 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:41:21,294 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:41:21,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593184975] [2024-11-09 05:41:21,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593184975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:41:21,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:41:21,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:41:21,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29400465] [2024-11-09 05:41:21,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:41:21,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:41:21,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:41:21,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:41:21,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:41:21,299 INFO L87 Difference]: Start difference. First operand 1430 states and 1958 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 05:41:23,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:25,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:28,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:30,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:34,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:41:34,783 INFO L93 Difference]: Finished difference Result 1430 states and 1958 transitions. [2024-11-09 05:41:34,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:41:34,784 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 71 [2024-11-09 05:41:34,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:41:34,796 INFO L225 Difference]: With dead ends: 1430 [2024-11-09 05:41:34,797 INFO L226 Difference]: Without dead ends: 1428 [2024-11-09 05:41:34,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:41:34,799 INFO L432 NwaCegarLoop]: 1708 mSDtfsCounter, 1930 mSDsluCounter, 1708 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1930 SdHoareTripleChecker+Valid, 3416 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:41:34,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1930 Valid, 3416 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 491 Invalid, 4 Unknown, 0 Unchecked, 13.3s Time] [2024-11-09 05:41:34,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2024-11-09 05:41:34,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1428. [2024-11-09 05:41:34,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1428 states, 823 states have (on average 1.2563791008505467) internal successors, (1034), 886 states have internal predecessors, (1034), 462 states have call successors, (462), 116 states have call predecessors, (462), 115 states have return successors, (460), 446 states have call predecessors, (460), 460 states have call successors, (460) [2024-11-09 05:41:34,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1956 transitions. [2024-11-09 05:41:34,924 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1956 transitions. Word has length 71 [2024-11-09 05:41:34,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:41:34,925 INFO L471 AbstractCegarLoop]: Abstraction has 1428 states and 1956 transitions. [2024-11-09 05:41:34,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 05:41:34,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1956 transitions. [2024-11-09 05:41:34,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 05:41:34,928 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:34,929 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:41:34,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:41:34,929 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:41:34,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:34,930 INFO L85 PathProgramCache]: Analyzing trace with hash 888472873, now seen corresponding path program 1 times [2024-11-09 05:41:34,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:41:34,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10699892] [2024-11-09 05:41:34,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:34,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:41:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:38,064 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:41:38,065 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:41:38,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10699892] [2024-11-09 05:41:38,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10699892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:41:38,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:41:38,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:41:38,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415932973] [2024-11-09 05:41:38,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:41:38,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:41:38,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:41:38,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:41:38,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:41:38,068 INFO L87 Difference]: Start difference. First operand 1428 states and 1956 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 05:41:40,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:42,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:45,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:46,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:50,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:41:50,742 INFO L93 Difference]: Finished difference Result 1428 states and 1956 transitions. [2024-11-09 05:41:50,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:41:50,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 76 [2024-11-09 05:41:50,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:41:50,754 INFO L225 Difference]: With dead ends: 1428 [2024-11-09 05:41:50,754 INFO L226 Difference]: Without dead ends: 1426 [2024-11-09 05:41:50,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:41:50,756 INFO L432 NwaCegarLoop]: 1706 mSDtfsCounter, 1927 mSDsluCounter, 1706 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1927 SdHoareTripleChecker+Valid, 3412 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:41:50,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1927 Valid, 3412 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 493 Invalid, 2 Unknown, 0 Unchecked, 12.5s Time] [2024-11-09 05:41:50,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2024-11-09 05:41:50,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1426. [2024-11-09 05:41:50,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 822 states have (on average 1.2554744525547445) internal successors, (1032), 884 states have internal predecessors, (1032), 462 states have call successors, (462), 116 states have call predecessors, (462), 115 states have return successors, (460), 446 states have call predecessors, (460), 460 states have call successors, (460) [2024-11-09 05:41:50,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 1954 transitions. [2024-11-09 05:41:50,932 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 1954 transitions. Word has length 76 [2024-11-09 05:41:50,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:41:50,932 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 1954 transitions. [2024-11-09 05:41:50,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 05:41:50,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 1954 transitions. [2024-11-09 05:41:50,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 05:41:50,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:50,936 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:41:50,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 05:41:50,936 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:41:50,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:50,937 INFO L85 PathProgramCache]: Analyzing trace with hash 833787869, now seen corresponding path program 1 times [2024-11-09 05:41:50,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:41:50,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075829129] [2024-11-09 05:41:50,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:50,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:41:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:54,098 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:41:54,098 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:41:54,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075829129] [2024-11-09 05:41:54,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075829129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:41:54,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:41:54,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:41:54,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67018600] [2024-11-09 05:41:54,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:41:54,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:41:54,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:41:54,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:41:54,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:41:54,100 INFO L87 Difference]: Start difference. First operand 1426 states and 1954 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 05:41:56,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:58,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:01,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:06,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:06,205 INFO L93 Difference]: Finished difference Result 1426 states and 1954 transitions. [2024-11-09 05:42:06,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:42:06,206 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 81 [2024-11-09 05:42:06,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:06,215 INFO L225 Difference]: With dead ends: 1426 [2024-11-09 05:42:06,215 INFO L226 Difference]: Without dead ends: 1424 [2024-11-09 05:42:06,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:42:06,218 INFO L432 NwaCegarLoop]: 1704 mSDtfsCounter, 1924 mSDsluCounter, 1704 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1924 SdHoareTripleChecker+Valid, 3408 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:06,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1924 Valid, 3408 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 492 Invalid, 3 Unknown, 0 Unchecked, 11.9s Time] [2024-11-09 05:42:06,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2024-11-09 05:42:06,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1424. [2024-11-09 05:42:06,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1424 states, 821 states have (on average 1.2545676004872106) internal successors, (1030), 882 states have internal predecessors, (1030), 462 states have call successors, (462), 116 states have call predecessors, (462), 115 states have return successors, (460), 446 states have call predecessors, (460), 460 states have call successors, (460) [2024-11-09 05:42:06,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1424 states and 1952 transitions. [2024-11-09 05:42:06,361 INFO L78 Accepts]: Start accepts. Automaton has 1424 states and 1952 transitions. Word has length 81 [2024-11-09 05:42:06,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:06,362 INFO L471 AbstractCegarLoop]: Abstraction has 1424 states and 1952 transitions. [2024-11-09 05:42:06,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 05:42:06,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 1952 transitions. [2024-11-09 05:42:06,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 05:42:06,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:06,364 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:06,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 05:42:06,364 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:42:06,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:06,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1533531466, now seen corresponding path program 1 times [2024-11-09 05:42:06,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:06,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99060091] [2024-11-09 05:42:06,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:06,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:09,856 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:42:09,856 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:09,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99060091] [2024-11-09 05:42:09,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99060091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:09,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:09,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:42:09,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299720720] [2024-11-09 05:42:09,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:09,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:42:09,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:09,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:42:09,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:42:09,859 INFO L87 Difference]: Start difference. First operand 1424 states and 1952 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 05:42:11,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:14,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:17,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:18,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:22,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:22,541 INFO L93 Difference]: Finished difference Result 1424 states and 1952 transitions. [2024-11-09 05:42:22,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:42:22,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 86 [2024-11-09 05:42:22,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:22,551 INFO L225 Difference]: With dead ends: 1424 [2024-11-09 05:42:22,551 INFO L226 Difference]: Without dead ends: 1422 [2024-11-09 05:42:22,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:42:22,554 INFO L432 NwaCegarLoop]: 1702 mSDtfsCounter, 1921 mSDsluCounter, 1701 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1921 SdHoareTripleChecker+Valid, 3403 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:22,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1921 Valid, 3403 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 493 Invalid, 3 Unknown, 0 Unchecked, 12.5s Time] [2024-11-09 05:42:22,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1422 states. [2024-11-09 05:42:22,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1422 to 1422. [2024-11-09 05:42:22,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1422 states, 820 states have (on average 1.2536585365853659) internal successors, (1028), 880 states have internal predecessors, (1028), 462 states have call successors, (462), 116 states have call predecessors, (462), 115 states have return successors, (460), 446 states have call predecessors, (460), 460 states have call successors, (460) [2024-11-09 05:42:22,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1422 states and 1950 transitions. [2024-11-09 05:42:22,687 INFO L78 Accepts]: Start accepts. Automaton has 1422 states and 1950 transitions. Word has length 86 [2024-11-09 05:42:22,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:22,688 INFO L471 AbstractCegarLoop]: Abstraction has 1422 states and 1950 transitions. [2024-11-09 05:42:22,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 05:42:22,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1950 transitions. [2024-11-09 05:42:22,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-09 05:42:22,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:22,691 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:22,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 05:42:22,691 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:42:22,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:22,692 INFO L85 PathProgramCache]: Analyzing trace with hash -549817511, now seen corresponding path program 1 times [2024-11-09 05:42:22,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:22,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427170400] [2024-11-09 05:42:22,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:22,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:42:25,977 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:25,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427170400] [2024-11-09 05:42:25,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427170400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:25,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:25,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:42:25,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600569522] [2024-11-09 05:42:25,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:25,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:42:25,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:25,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:42:25,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:42:25,981 INFO L87 Difference]: Start difference. First operand 1422 states and 1950 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 05:42:28,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:30,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:32,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:34,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:38,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:38,420 INFO L93 Difference]: Finished difference Result 1422 states and 1950 transitions. [2024-11-09 05:42:38,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:42:38,421 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 88 [2024-11-09 05:42:38,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:38,428 INFO L225 Difference]: With dead ends: 1422 [2024-11-09 05:42:38,428 INFO L226 Difference]: Without dead ends: 1420 [2024-11-09 05:42:38,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:42:38,430 INFO L432 NwaCegarLoop]: 1700 mSDtfsCounter, 1917 mSDsluCounter, 1700 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1917 SdHoareTripleChecker+Valid, 3400 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:38,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1917 Valid, 3400 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 492 Invalid, 3 Unknown, 0 Unchecked, 12.2s Time] [2024-11-09 05:42:38,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2024-11-09 05:42:38,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1420. [2024-11-09 05:42:38,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1420 states, 819 states have (on average 1.2527472527472527) internal successors, (1026), 878 states have internal predecessors, (1026), 462 states have call successors, (462), 116 states have call predecessors, (462), 115 states have return successors, (460), 446 states have call predecessors, (460), 460 states have call successors, (460) [2024-11-09 05:42:38,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1420 states and 1948 transitions. [2024-11-09 05:42:38,611 INFO L78 Accepts]: Start accepts. Automaton has 1420 states and 1948 transitions. Word has length 88 [2024-11-09 05:42:38,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:38,611 INFO L471 AbstractCegarLoop]: Abstraction has 1420 states and 1948 transitions. [2024-11-09 05:42:38,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 05:42:38,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1948 transitions. [2024-11-09 05:42:38,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-09 05:42:38,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:38,614 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:38,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 05:42:38,614 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:42:38,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:38,621 INFO L85 PathProgramCache]: Analyzing trace with hash 689785674, now seen corresponding path program 1 times [2024-11-09 05:42:38,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:38,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595305079] [2024-11-09 05:42:38,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:38,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:42,007 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:42:42,007 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:42,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595305079] [2024-11-09 05:42:42,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595305079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:42,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:42,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:42:42,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872075819] [2024-11-09 05:42:42,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:42,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:42:42,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:42,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:42:42,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:42:42,010 INFO L87 Difference]: Start difference. First operand 1420 states and 1948 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 05:42:44,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:46,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:49,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:51,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:55,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:55,463 INFO L93 Difference]: Finished difference Result 1420 states and 1948 transitions. [2024-11-09 05:42:55,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:42:55,463 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 93 [2024-11-09 05:42:55,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:55,471 INFO L225 Difference]: With dead ends: 1420 [2024-11-09 05:42:55,471 INFO L226 Difference]: Without dead ends: 1418 [2024-11-09 05:42:55,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:42:55,473 INFO L432 NwaCegarLoop]: 1698 mSDtfsCounter, 1916 mSDsluCounter, 1698 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1916 SdHoareTripleChecker+Valid, 3396 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:55,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1916 Valid, 3396 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 491 Invalid, 4 Unknown, 0 Unchecked, 13.2s Time] [2024-11-09 05:42:55,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1418 states. [2024-11-09 05:42:55,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1418 to 1418. [2024-11-09 05:42:55,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1418 states, 818 states have (on average 1.2518337408312958) internal successors, (1024), 876 states have internal predecessors, (1024), 462 states have call successors, (462), 116 states have call predecessors, (462), 115 states have return successors, (460), 446 states have call predecessors, (460), 460 states have call successors, (460) [2024-11-09 05:42:55,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 1946 transitions. [2024-11-09 05:42:55,631 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 1946 transitions. Word has length 93 [2024-11-09 05:42:55,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:55,632 INFO L471 AbstractCegarLoop]: Abstraction has 1418 states and 1946 transitions. [2024-11-09 05:42:55,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 05:42:55,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1946 transitions. [2024-11-09 05:42:55,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-09 05:42:55,635 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:55,635 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:55,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 05:42:55,635 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:42:55,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:55,636 INFO L85 PathProgramCache]: Analyzing trace with hash -2121728863, now seen corresponding path program 1 times [2024-11-09 05:42:55,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:55,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544327072] [2024-11-09 05:42:55,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:55,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:58,748 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:42:58,749 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:58,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544327072] [2024-11-09 05:42:58,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544327072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:58,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:58,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:42:58,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043506901] [2024-11-09 05:42:58,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:58,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:42:58,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:58,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:42:58,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:42:58,751 INFO L87 Difference]: Start difference. First operand 1418 states and 1946 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 05:43:00,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:02,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:06,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:07,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:12,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:12,144 INFO L93 Difference]: Finished difference Result 1418 states and 1946 transitions. [2024-11-09 05:43:12,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:43:12,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 98 [2024-11-09 05:43:12,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:12,151 INFO L225 Difference]: With dead ends: 1418 [2024-11-09 05:43:12,151 INFO L226 Difference]: Without dead ends: 1416 [2024-11-09 05:43:12,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:43:12,152 INFO L432 NwaCegarLoop]: 1696 mSDtfsCounter, 1913 mSDsluCounter, 1696 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1913 SdHoareTripleChecker+Valid, 3392 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:12,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1913 Valid, 3392 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 492 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2024-11-09 05:43:12,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2024-11-09 05:43:12,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1416. [2024-11-09 05:43:12,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1416 states, 817 states have (on average 1.2509179926560587) internal successors, (1022), 874 states have internal predecessors, (1022), 462 states have call successors, (462), 116 states have call predecessors, (462), 115 states have return successors, (460), 446 states have call predecessors, (460), 460 states have call successors, (460) [2024-11-09 05:43:12,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 1944 transitions. [2024-11-09 05:43:12,339 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 1944 transitions. Word has length 98 [2024-11-09 05:43:12,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:12,340 INFO L471 AbstractCegarLoop]: Abstraction has 1416 states and 1944 transitions. [2024-11-09 05:43:12,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 05:43:12,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1944 transitions. [2024-11-09 05:43:12,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-09 05:43:12,346 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:12,347 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:12,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 05:43:12,347 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:43:12,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:12,348 INFO L85 PathProgramCache]: Analyzing trace with hash 427005086, now seen corresponding path program 1 times [2024-11-09 05:43:12,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:12,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390742573] [2024-11-09 05:43:12,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:12,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:19,001 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-09 05:43:19,001 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:19,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390742573] [2024-11-09 05:43:19,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390742573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:19,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:19,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 05:43:19,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414166250] [2024-11-09 05:43:19,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:19,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:43:19,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:19,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:43:19,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:43:19,005 INFO L87 Difference]: Start difference. First operand 1416 states and 1944 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 05:43:21,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:23,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:25,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:27,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:34,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:36,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:38,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:40,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:52,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:52,923 INFO L93 Difference]: Finished difference Result 1416 states and 1944 transitions. [2024-11-09 05:43:52,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:43:52,924 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 131 [2024-11-09 05:43:52,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:52,931 INFO L225 Difference]: With dead ends: 1416 [2024-11-09 05:43:52,931 INFO L226 Difference]: Without dead ends: 1414 [2024-11-09 05:43:52,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 05:43:52,932 INFO L432 NwaCegarLoop]: 1695 mSDtfsCounter, 1901 mSDsluCounter, 4166 mSDsCounter, 0 mSdLazyCounter, 1901 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1903 SdHoareTripleChecker+Valid, 5861 SdHoareTripleChecker+Invalid, 1909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1901 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:52,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1903 Valid, 5861 Invalid, 1909 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1901 Invalid, 7 Unknown, 0 Unchecked, 33.3s Time] [2024-11-09 05:43:52,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2024-11-09 05:43:53,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 1414. [2024-11-09 05:43:53,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1414 states, 816 states have (on average 1.25) internal successors, (1020), 872 states have internal predecessors, (1020), 462 states have call successors, (462), 116 states have call predecessors, (462), 115 states have return successors, (460), 446 states have call predecessors, (460), 460 states have call successors, (460) [2024-11-09 05:43:53,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 1942 transitions. [2024-11-09 05:43:53,079 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 1942 transitions. Word has length 131 [2024-11-09 05:43:53,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:53,080 INFO L471 AbstractCegarLoop]: Abstraction has 1414 states and 1942 transitions. [2024-11-09 05:43:53,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 05:43:53,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1942 transitions. [2024-11-09 05:43:53,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-09 05:43:53,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:53,083 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:53,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 05:43:53,084 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:43:53,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:53,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1723223983, now seen corresponding path program 1 times [2024-11-09 05:43:53,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:53,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476004268] [2024-11-09 05:43:53,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:53,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:55,636 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:43:55,636 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:55,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476004268] [2024-11-09 05:43:55,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476004268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:55,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:55,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:43:55,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072546747] [2024-11-09 05:43:55,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:55,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:43:55,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:55,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:43:55,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:43:55,638 INFO L87 Difference]: Start difference. First operand 1414 states and 1942 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 05:43:57,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:59,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:03,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:05,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:08,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:08,664 INFO L93 Difference]: Finished difference Result 1414 states and 1942 transitions. [2024-11-09 05:44:08,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:44:08,664 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 103 [2024-11-09 05:44:08,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:08,670 INFO L225 Difference]: With dead ends: 1414 [2024-11-09 05:44:08,670 INFO L226 Difference]: Without dead ends: 1412 [2024-11-09 05:44:08,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:44:08,671 INFO L432 NwaCegarLoop]: 1692 mSDtfsCounter, 1908 mSDsluCounter, 1692 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1908 SdHoareTripleChecker+Valid, 3384 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:08,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1908 Valid, 3384 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 491 Invalid, 4 Unknown, 0 Unchecked, 12.8s Time] [2024-11-09 05:44:08,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1412 states. [2024-11-09 05:44:08,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1412 to 1412. [2024-11-09 05:44:08,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1412 states, 815 states have (on average 1.2490797546012269) internal successors, (1018), 870 states have internal predecessors, (1018), 462 states have call successors, (462), 116 states have call predecessors, (462), 115 states have return successors, (460), 446 states have call predecessors, (460), 460 states have call successors, (460) [2024-11-09 05:44:08,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1412 states and 1940 transitions. [2024-11-09 05:44:08,857 INFO L78 Accepts]: Start accepts. Automaton has 1412 states and 1940 transitions. Word has length 103 [2024-11-09 05:44:08,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:08,857 INFO L471 AbstractCegarLoop]: Abstraction has 1412 states and 1940 transitions. [2024-11-09 05:44:08,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 05:44:08,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 1940 transitions. [2024-11-09 05:44:08,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-09 05:44:08,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:08,860 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:08,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 05:44:08,860 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:44:08,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:08,861 INFO L85 PathProgramCache]: Analyzing trace with hash -538321906, now seen corresponding path program 1 times [2024-11-09 05:44:08,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:08,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168515550] [2024-11-09 05:44:08,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:08,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:12,613 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-09 05:44:12,614 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:12,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168515550] [2024-11-09 05:44:12,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168515550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:12,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:12,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:44:12,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678883798] [2024-11-09 05:44:12,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:12,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:44:12,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:12,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:44:12,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:44:12,617 INFO L87 Difference]: Start difference. First operand 1412 states and 1940 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 05:44:14,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:16,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:19,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:22,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:24,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:27,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:29,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:32,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:41,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:41,447 INFO L93 Difference]: Finished difference Result 2681 states and 3708 transitions. [2024-11-09 05:44:41,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:44:41,448 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 128 [2024-11-09 05:44:41,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:41,467 INFO L225 Difference]: With dead ends: 2681 [2024-11-09 05:44:41,467 INFO L226 Difference]: Without dead ends: 2679 [2024-11-09 05:44:41,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:44:41,469 INFO L432 NwaCegarLoop]: 2211 mSDtfsCounter, 1915 mSDsluCounter, 5919 mSDsCounter, 0 mSdLazyCounter, 1194 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1916 SdHoareTripleChecker+Valid, 8130 SdHoareTripleChecker+Invalid, 1202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1194 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:41,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1916 Valid, 8130 Invalid, 1202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1194 Invalid, 7 Unknown, 0 Unchecked, 28.3s Time] [2024-11-09 05:44:41,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2679 states. [2024-11-09 05:44:41,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2679 to 2504. [2024-11-09 05:44:41,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2504 states, 1460 states have (on average 1.2595890410958903) internal successors, (1839), 1547 states have internal predecessors, (1839), 818 states have call successors, (818), 208 states have call predecessors, (818), 206 states have return successors, (865), 785 states have call predecessors, (865), 816 states have call successors, (865) [2024-11-09 05:44:41,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2504 states to 2504 states and 3522 transitions. [2024-11-09 05:44:41,871 INFO L78 Accepts]: Start accepts. Automaton has 2504 states and 3522 transitions. Word has length 128 [2024-11-09 05:44:41,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:41,872 INFO L471 AbstractCegarLoop]: Abstraction has 2504 states and 3522 transitions. [2024-11-09 05:44:41,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 05:44:41,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2504 states and 3522 transitions. [2024-11-09 05:44:41,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 05:44:41,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:41,875 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:41,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 05:44:41,875 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:44:41,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:41,875 INFO L85 PathProgramCache]: Analyzing trace with hash -526814003, now seen corresponding path program 1 times [2024-11-09 05:44:41,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:41,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403552976] [2024-11-09 05:44:41,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:41,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:44,748 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-09 05:44:44,748 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:44,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403552976] [2024-11-09 05:44:44,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403552976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:44,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:44,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:44:44,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541889515] [2024-11-09 05:44:44,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:44,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:44:44,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:44,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:44:44,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:44:44,750 INFO L87 Difference]: Start difference. First operand 2504 states and 3522 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 05:44:46,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:49,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:51,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:51,861 INFO L93 Difference]: Finished difference Result 4969 states and 7144 transitions. [2024-11-09 05:44:51,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:44:51,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 137 [2024-11-09 05:44:51,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:51,878 INFO L225 Difference]: With dead ends: 4969 [2024-11-09 05:44:51,878 INFO L226 Difference]: Without dead ends: 2498 [2024-11-09 05:44:51,892 INFO L431 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 [2024-11-09 05:44:51,893 INFO L432 NwaCegarLoop]: 1687 mSDtfsCounter, 1900 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1900 SdHoareTripleChecker+Valid, 1687 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:51,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1900 Valid, 1687 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 246 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2024-11-09 05:44:51,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2024-11-09 05:44:52,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2498. [2024-11-09 05:44:52,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2498 states, 1455 states have (on average 1.2577319587628866) internal successors, (1830), 1541 states have internal predecessors, (1830), 818 states have call successors, (818), 208 states have call predecessors, (818), 206 states have return successors, (865), 785 states have call predecessors, (865), 816 states have call successors, (865) [2024-11-09 05:44:52,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2498 states and 3513 transitions. [2024-11-09 05:44:52,300 INFO L78 Accepts]: Start accepts. Automaton has 2498 states and 3513 transitions. Word has length 137 [2024-11-09 05:44:52,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:52,302 INFO L471 AbstractCegarLoop]: Abstraction has 2498 states and 3513 transitions. [2024-11-09 05:44:52,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 05:44:52,303 INFO L276 IsEmpty]: Start isEmpty. Operand 2498 states and 3513 transitions. [2024-11-09 05:44:52,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 05:44:52,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:52,305 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:52,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 05:44:52,306 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:44:52,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:52,306 INFO L85 PathProgramCache]: Analyzing trace with hash -238313606, now seen corresponding path program 1 times [2024-11-09 05:44:52,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:52,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517007228] [2024-11-09 05:44:52,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:52,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:55,548 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:44:55,548 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:55,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517007228] [2024-11-09 05:44:55,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517007228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:55,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:55,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:44:55,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029750772] [2024-11-09 05:44:55,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:55,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:44:55,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:55,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:44:55,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:44:55,553 INFO L87 Difference]: Start difference. First operand 2498 states and 3513 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 05:44:57,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:59,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:03,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:05,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:08,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:08,913 INFO L93 Difference]: Finished difference Result 2498 states and 3513 transitions. [2024-11-09 05:45:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:45:08,914 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 108 [2024-11-09 05:45:08,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:08,930 INFO L225 Difference]: With dead ends: 2498 [2024-11-09 05:45:08,930 INFO L226 Difference]: Without dead ends: 2496 [2024-11-09 05:45:08,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:45:08,933 INFO L432 NwaCegarLoop]: 1685 mSDtfsCounter, 1900 mSDsluCounter, 1685 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1900 SdHoareTripleChecker+Valid, 3370 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:08,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1900 Valid, 3370 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 491 Invalid, 4 Unknown, 0 Unchecked, 13.0s Time] [2024-11-09 05:45:08,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2024-11-09 05:45:09,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2496. [2024-11-09 05:45:09,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2496 states, 1454 states have (on average 1.2572214580467675) internal successors, (1828), 1539 states have internal predecessors, (1828), 818 states have call successors, (818), 208 states have call predecessors, (818), 206 states have return successors, (865), 785 states have call predecessors, (865), 816 states have call successors, (865) [2024-11-09 05:45:09,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 3511 transitions. [2024-11-09 05:45:09,394 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 3511 transitions. Word has length 108 [2024-11-09 05:45:09,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:09,394 INFO L471 AbstractCegarLoop]: Abstraction has 2496 states and 3511 transitions. [2024-11-09 05:45:09,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 05:45:09,395 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 3511 transitions. [2024-11-09 05:45:09,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 05:45:09,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:09,397 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:09,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 05:45:09,398 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:45:09,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:09,398 INFO L85 PathProgramCache]: Analyzing trace with hash -972240692, now seen corresponding path program 1 times [2024-11-09 05:45:09,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:09,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846665310] [2024-11-09 05:45:09,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:09,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:12,535 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:45:12,535 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:12,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846665310] [2024-11-09 05:45:12,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846665310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:12,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:12,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:45:12,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884549468] [2024-11-09 05:45:12,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:12,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:45:12,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:12,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:45:12,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:45:12,538 INFO L87 Difference]: Start difference. First operand 2496 states and 3511 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 05:45:14,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:16,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:19,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:21,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:25,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:25,914 INFO L93 Difference]: Finished difference Result 2496 states and 3511 transitions. [2024-11-09 05:45:25,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:45:25,914 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 113 [2024-11-09 05:45:25,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:25,929 INFO L225 Difference]: With dead ends: 2496 [2024-11-09 05:45:25,929 INFO L226 Difference]: Without dead ends: 2494 [2024-11-09 05:45:25,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:45:25,932 INFO L432 NwaCegarLoop]: 1683 mSDtfsCounter, 1897 mSDsluCounter, 1683 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1897 SdHoareTripleChecker+Valid, 3366 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:25,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1897 Valid, 3366 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 492 Invalid, 3 Unknown, 0 Unchecked, 12.9s Time] [2024-11-09 05:45:25,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2494 states. [2024-11-09 05:45:26,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2494 to 2494. [2024-11-09 05:45:26,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2494 states, 1453 states have (on average 1.2567102546455609) internal successors, (1826), 1537 states have internal predecessors, (1826), 818 states have call successors, (818), 208 states have call predecessors, (818), 206 states have return successors, (865), 785 states have call predecessors, (865), 816 states have call successors, (865) [2024-11-09 05:45:26,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2494 states to 2494 states and 3509 transitions. [2024-11-09 05:45:26,296 INFO L78 Accepts]: Start accepts. Automaton has 2494 states and 3509 transitions. Word has length 113 [2024-11-09 05:45:26,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:26,297 INFO L471 AbstractCegarLoop]: Abstraction has 2494 states and 3509 transitions. [2024-11-09 05:45:26,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 05:45:26,297 INFO L276 IsEmpty]: Start isEmpty. Operand 2494 states and 3509 transitions. [2024-11-09 05:45:26,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-09 05:45:26,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:26,300 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:26,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 05:45:26,301 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:45:26,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:26,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1023054638, now seen corresponding path program 1 times [2024-11-09 05:45:26,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:26,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908149305] [2024-11-09 05:45:26,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:26,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:28,949 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:45:28,949 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:28,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908149305] [2024-11-09 05:45:28,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908149305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:28,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:28,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:45:28,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545661015] [2024-11-09 05:45:28,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:28,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:45:28,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:28,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:45:28,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:45:28,952 INFO L87 Difference]: Start difference. First operand 2494 states and 3509 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 05:45:31,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:33,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:35,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:37,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:42,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:42,276 INFO L93 Difference]: Finished difference Result 2494 states and 3509 transitions. [2024-11-09 05:45:42,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:45:42,277 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 118 [2024-11-09 05:45:42,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:42,296 INFO L225 Difference]: With dead ends: 2494 [2024-11-09 05:45:42,296 INFO L226 Difference]: Without dead ends: 2492 [2024-11-09 05:45:42,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:45:42,299 INFO L432 NwaCegarLoop]: 1681 mSDtfsCounter, 1894 mSDsluCounter, 1681 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1894 SdHoareTripleChecker+Valid, 3362 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:42,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1894 Valid, 3362 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 492 Invalid, 3 Unknown, 0 Unchecked, 12.9s Time] [2024-11-09 05:45:42,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2492 states. [2024-11-09 05:45:42,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2492 to 2492. [2024-11-09 05:45:42,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2492 states, 1452 states have (on average 1.256198347107438) internal successors, (1824), 1535 states have internal predecessors, (1824), 818 states have call successors, (818), 208 states have call predecessors, (818), 206 states have return successors, (865), 785 states have call predecessors, (865), 816 states have call successors, (865) [2024-11-09 05:45:42,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2492 states to 2492 states and 3507 transitions. [2024-11-09 05:45:42,867 INFO L78 Accepts]: Start accepts. Automaton has 2492 states and 3507 transitions. Word has length 118 [2024-11-09 05:45:42,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:42,868 INFO L471 AbstractCegarLoop]: Abstraction has 2492 states and 3507 transitions. [2024-11-09 05:45:42,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 05:45:42,868 INFO L276 IsEmpty]: Start isEmpty. Operand 2492 states and 3507 transitions. [2024-11-09 05:45:42,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 05:45:42,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:42,872 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:42,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 05:45:42,872 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:45:42,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:42,873 INFO L85 PathProgramCache]: Analyzing trace with hash -501298438, now seen corresponding path program 1 times [2024-11-09 05:45:42,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:42,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425944881] [2024-11-09 05:45:42,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:42,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:46,412 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:45:46,412 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:46,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425944881] [2024-11-09 05:45:46,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425944881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:46,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:46,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:45:46,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727023021] [2024-11-09 05:45:46,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:46,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:45:46,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:46,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:45:46,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:45:46,415 INFO L87 Difference]: Start difference. First operand 2492 states and 3507 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-09 05:45:48,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:50,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:54,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:55,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:00,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:00,130 INFO L93 Difference]: Finished difference Result 2492 states and 3507 transitions. [2024-11-09 05:46:00,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:46:00,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 123 [2024-11-09 05:46:00,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:00,145 INFO L225 Difference]: With dead ends: 2492 [2024-11-09 05:46:00,145 INFO L226 Difference]: Without dead ends: 2490 [2024-11-09 05:46:00,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:46:00,148 INFO L432 NwaCegarLoop]: 1679 mSDtfsCounter, 1891 mSDsluCounter, 1679 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1891 SdHoareTripleChecker+Valid, 3358 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:00,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1891 Valid, 3358 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 492 Invalid, 3 Unknown, 0 Unchecked, 13.2s Time] [2024-11-09 05:46:00,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2490 states. [2024-11-09 05:46:00,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2490 to 2490. [2024-11-09 05:46:00,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2490 states, 1451 states have (on average 1.255685733976568) internal successors, (1822), 1533 states have internal predecessors, (1822), 818 states have call successors, (818), 208 states have call predecessors, (818), 206 states have return successors, (865), 785 states have call predecessors, (865), 816 states have call successors, (865) [2024-11-09 05:46:00,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 2490 states and 3505 transitions. [2024-11-09 05:46:00,670 INFO L78 Accepts]: Start accepts. Automaton has 2490 states and 3505 transitions. Word has length 123 [2024-11-09 05:46:00,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:00,671 INFO L471 AbstractCegarLoop]: Abstraction has 2490 states and 3505 transitions. [2024-11-09 05:46:00,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-09 05:46:00,671 INFO L276 IsEmpty]: Start isEmpty. Operand 2490 states and 3505 transitions. [2024-11-09 05:46:00,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-09 05:46:00,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:00,675 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:00,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 05:46:00,676 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:46:00,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:00,676 INFO L85 PathProgramCache]: Analyzing trace with hash 974905310, now seen corresponding path program 1 times [2024-11-09 05:46:00,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:00,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108524277] [2024-11-09 05:46:00,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:00,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:03,627 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:46:03,627 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:03,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108524277] [2024-11-09 05:46:03,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108524277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:03,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:03,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:46:03,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630924322] [2024-11-09 05:46:03,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:03,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:46:03,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:03,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:46:03,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:46:03,632 INFO L87 Difference]: Start difference. First operand 2490 states and 3505 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-09 05:46:05,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:07,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:11,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:16,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:16,920 INFO L93 Difference]: Finished difference Result 2490 states and 3505 transitions. [2024-11-09 05:46:16,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:46:16,920 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 128 [2024-11-09 05:46:16,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:16,935 INFO L225 Difference]: With dead ends: 2490 [2024-11-09 05:46:16,935 INFO L226 Difference]: Without dead ends: 2488 [2024-11-09 05:46:16,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:46:16,939 INFO L432 NwaCegarLoop]: 1677 mSDtfsCounter, 1888 mSDsluCounter, 1677 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1888 SdHoareTripleChecker+Valid, 3354 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:16,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1888 Valid, 3354 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 492 Invalid, 3 Unknown, 0 Unchecked, 12.8s Time] [2024-11-09 05:46:16,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2488 states. [2024-11-09 05:46:17,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2488 to 2488. [2024-11-09 05:46:17,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2488 states, 1450 states have (on average 1.2551724137931035) internal successors, (1820), 1531 states have internal predecessors, (1820), 818 states have call successors, (818), 208 states have call predecessors, (818), 206 states have return successors, (865), 785 states have call predecessors, (865), 816 states have call successors, (865) [2024-11-09 05:46:17,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2488 states to 2488 states and 3503 transitions. [2024-11-09 05:46:17,627 INFO L78 Accepts]: Start accepts. Automaton has 2488 states and 3503 transitions. Word has length 128 [2024-11-09 05:46:17,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:17,628 INFO L471 AbstractCegarLoop]: Abstraction has 2488 states and 3503 transitions. [2024-11-09 05:46:17,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-09 05:46:17,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2488 states and 3503 transitions. [2024-11-09 05:46:17,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-09 05:46:17,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:17,633 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:17,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 05:46:17,633 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:46:17,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:17,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1408369638, now seen corresponding path program 1 times [2024-11-09 05:46:17,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:17,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346811680] [2024-11-09 05:46:17,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:17,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:20,586 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:46:20,586 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:20,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346811680] [2024-11-09 05:46:20,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346811680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:20,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:20,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:46:20,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20628024] [2024-11-09 05:46:20,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:20,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:46:20,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:20,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:46:20,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:46:20,589 INFO L87 Difference]: Start difference. First operand 2488 states and 3503 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-09 05:46:22,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:24,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:28,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:29,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:33,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:33,674 INFO L93 Difference]: Finished difference Result 2488 states and 3503 transitions. [2024-11-09 05:46:33,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:46:33,675 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 133 [2024-11-09 05:46:33,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:33,686 INFO L225 Difference]: With dead ends: 2488 [2024-11-09 05:46:33,686 INFO L226 Difference]: Without dead ends: 2486 [2024-11-09 05:46:33,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:46:33,688 INFO L432 NwaCegarLoop]: 1675 mSDtfsCounter, 1885 mSDsluCounter, 1675 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1885 SdHoareTripleChecker+Valid, 3350 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:33,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1885 Valid, 3350 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 492 Invalid, 3 Unknown, 0 Unchecked, 12.6s Time] [2024-11-09 05:46:33,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2486 states. [2024-11-09 05:46:34,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2486 to 2486. [2024-11-09 05:46:34,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2486 states, 1449 states have (on average 1.2546583850931676) internal successors, (1818), 1529 states have internal predecessors, (1818), 818 states have call successors, (818), 208 states have call predecessors, (818), 206 states have return successors, (865), 785 states have call predecessors, (865), 816 states have call successors, (865) [2024-11-09 05:46:34,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2486 states and 3501 transitions. [2024-11-09 05:46:34,022 INFO L78 Accepts]: Start accepts. Automaton has 2486 states and 3501 transitions. Word has length 133 [2024-11-09 05:46:34,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:34,023 INFO L471 AbstractCegarLoop]: Abstraction has 2486 states and 3501 transitions. [2024-11-09 05:46:34,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-09 05:46:34,023 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 3501 transitions. [2024-11-09 05:46:34,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-09 05:46:34,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:34,027 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:34,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 05:46:34,028 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:46:34,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:34,028 INFO L85 PathProgramCache]: Analyzing trace with hash -587513045, now seen corresponding path program 1 times [2024-11-09 05:46:34,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:34,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487377485] [2024-11-09 05:46:34,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:34,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:36,795 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2024-11-09 05:46:36,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:36,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487377485] [2024-11-09 05:46:36,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487377485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:36,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:36,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:46:36,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018224756] [2024-11-09 05:46:36,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:36,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:46:36,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:36,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:46:36,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:46:36,799 INFO L87 Difference]: Start difference. First operand 2486 states and 3501 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (23), 1 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 05:46:38,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:41,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:44,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:44,269 INFO L93 Difference]: Finished difference Result 4813 states and 6756 transitions. [2024-11-09 05:46:44,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:46:44,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (23), 1 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 162 [2024-11-09 05:46:44,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:44,285 INFO L225 Difference]: With dead ends: 4813 [2024-11-09 05:46:44,285 INFO L226 Difference]: Without dead ends: 2480 [2024-11-09 05:46:44,297 INFO L431 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 [2024-11-09 05:46:44,298 INFO L432 NwaCegarLoop]: 1671 mSDtfsCounter, 1905 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1905 SdHoareTripleChecker+Valid, 1671 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:44,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1905 Valid, 1671 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 245 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2024-11-09 05:46:44,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2480 states. [2024-11-09 05:46:44,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2480 to 2480. [2024-11-09 05:46:44,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2480 states, 1444 states have (on average 1.252770083102493) internal successors, (1809), 1523 states have internal predecessors, (1809), 818 states have call successors, (818), 208 states have call predecessors, (818), 206 states have return successors, (865), 785 states have call predecessors, (865), 816 states have call successors, (865) [2024-11-09 05:46:44,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2480 states to 2480 states and 3492 transitions. [2024-11-09 05:46:44,791 INFO L78 Accepts]: Start accepts. Automaton has 2480 states and 3492 transitions. Word has length 162 [2024-11-09 05:46:44,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:44,792 INFO L471 AbstractCegarLoop]: Abstraction has 2480 states and 3492 transitions. [2024-11-09 05:46:44,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (23), 1 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 05:46:44,792 INFO L276 IsEmpty]: Start isEmpty. Operand 2480 states and 3492 transitions. [2024-11-09 05:46:44,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-09 05:46:44,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:44,797 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:44,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 05:46:44,797 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:46:44,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:44,797 INFO L85 PathProgramCache]: Analyzing trace with hash -97965421, now seen corresponding path program 1 times [2024-11-09 05:46:44,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:44,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571537300] [2024-11-09 05:46:44,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:44,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:48,533 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-09 05:46:48,533 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:48,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571537300] [2024-11-09 05:46:48,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571537300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:48,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:48,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:46:48,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932789821] [2024-11-09 05:46:48,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:48,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:46:48,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:48,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:46:48,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:46:48,537 INFO L87 Difference]: Start difference. First operand 2480 states and 3492 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-09 05:46:50,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:52,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:55,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:57,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:02,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:04,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:05,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:07,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:09,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:17,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:19,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:24,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:24,943 INFO L93 Difference]: Finished difference Result 4838 states and 6880 transitions. [2024-11-09 05:47:24,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:47:24,944 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 167 [2024-11-09 05:47:24,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:24,959 INFO L225 Difference]: With dead ends: 4838 [2024-11-09 05:47:24,959 INFO L226 Difference]: Without dead ends: 2499 [2024-11-09 05:47:24,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:47:24,972 INFO L432 NwaCegarLoop]: 1683 mSDtfsCounter, 5 mSDsluCounter, 4773 mSDsCounter, 0 mSdLazyCounter, 1260 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 6456 SdHoareTripleChecker+Invalid, 1269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1260 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:24,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 6456 Invalid, 1269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1260 Invalid, 9 Unknown, 0 Unchecked, 35.8s Time] [2024-11-09 05:47:24,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2499 states. [2024-11-09 05:47:25,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2499 to 2497. [2024-11-09 05:47:25,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2497 states, 1456 states have (on average 1.2527472527472527) internal successors, (1824), 1539 states have internal predecessors, (1824), 821 states have call successors, (821), 208 states have call predecessors, (821), 208 states have return successors, (872), 788 states have call predecessors, (872), 819 states have call successors, (872) [2024-11-09 05:47:25,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 2497 states and 3517 transitions. [2024-11-09 05:47:25,555 INFO L78 Accepts]: Start accepts. Automaton has 2497 states and 3517 transitions. Word has length 167 [2024-11-09 05:47:25,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:25,556 INFO L471 AbstractCegarLoop]: Abstraction has 2497 states and 3517 transitions. [2024-11-09 05:47:25,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-09 05:47:25,556 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 3517 transitions. [2024-11-09 05:47:25,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-09 05:47:25,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:25,560 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:25,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 05:47:25,560 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:47:25,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:25,561 INFO L85 PathProgramCache]: Analyzing trace with hash -108794205, now seen corresponding path program 1 times [2024-11-09 05:47:25,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:25,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366993078] [2024-11-09 05:47:25,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:25,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:28,798 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:47:28,799 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:28,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366993078] [2024-11-09 05:47:28,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366993078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:28,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:28,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:47:28,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126377981] [2024-11-09 05:47:28,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:28,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:47:28,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:28,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:47:28,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:47:28,803 INFO L87 Difference]: Start difference. First operand 2497 states and 3517 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-09 05:47:30,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:32,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:37,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:42,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:44,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:49,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:49,597 INFO L93 Difference]: Finished difference Result 4898 states and 6960 transitions. [2024-11-09 05:47:49,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:47:49,598 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 138 [2024-11-09 05:47:49,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:49,628 INFO L225 Difference]: With dead ends: 4898 [2024-11-09 05:47:49,628 INFO L226 Difference]: Without dead ends: 4896 [2024-11-09 05:47:49,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:47:49,633 INFO L432 NwaCegarLoop]: 1906 mSDtfsCounter, 1851 mSDsluCounter, 3473 mSDsCounter, 0 mSdLazyCounter, 833 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1851 SdHoareTripleChecker+Valid, 5379 SdHoareTripleChecker+Invalid, 837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 833 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:49,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1851 Valid, 5379 Invalid, 837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 833 Invalid, 4 Unknown, 0 Unchecked, 19.9s Time] [2024-11-09 05:47:49,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4896 states. [2024-11-09 05:47:50,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4896 to 4859. [2024-11-09 05:47:50,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4859 states, 2836 states have (on average 1.2538787023977433) internal successors, (3556), 2989 states have internal predecessors, (3556), 1597 states have call successors, (1597), 413 states have call predecessors, (1597), 414 states have return successors, (1775), 1530 states have call predecessors, (1775), 1595 states have call successors, (1775) [2024-11-09 05:47:50,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4859 states to 4859 states and 6928 transitions. [2024-11-09 05:47:50,733 INFO L78 Accepts]: Start accepts. Automaton has 4859 states and 6928 transitions. Word has length 138 [2024-11-09 05:47:50,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:50,733 INFO L471 AbstractCegarLoop]: Abstraction has 4859 states and 6928 transitions. [2024-11-09 05:47:50,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-09 05:47:50,734 INFO L276 IsEmpty]: Start isEmpty. Operand 4859 states and 6928 transitions. [2024-11-09 05:47:50,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-09 05:47:50,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:50,737 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:50,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 05:47:50,738 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:47:50,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:50,738 INFO L85 PathProgramCache]: Analyzing trace with hash 294634355, now seen corresponding path program 1 times [2024-11-09 05:47:50,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:50,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294165956] [2024-11-09 05:47:50,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:50,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:54,791 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-11-09 05:47:54,791 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:54,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294165956] [2024-11-09 05:47:54,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294165956] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:47:54,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854249740] [2024-11-09 05:47:54,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:54,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:47:54,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:47:54,796 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:47:54,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:47:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:59,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 2947 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 05:47:59,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:48:00,854 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-09 05:48:00,854 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:48:00,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854249740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:00,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:48:00,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-09 05:48:00,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255616809] [2024-11-09 05:48:00,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:00,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:48:00,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:00,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:48:00,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:48:00,857 INFO L87 Difference]: Start difference. First operand 4859 states and 6928 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-09 05:48:02,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:05,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:08,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:08,918 INFO L93 Difference]: Finished difference Result 9509 states and 13513 transitions. [2024-11-09 05:48:08,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:48:08,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 167 [2024-11-09 05:48:08,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:08,948 INFO L225 Difference]: With dead ends: 9509 [2024-11-09 05:48:08,948 INFO L226 Difference]: Without dead ends: 4871 [2024-11-09 05:48:08,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:48:08,973 INFO L432 NwaCegarLoop]: 1678 mSDtfsCounter, 1821 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1821 SdHoareTripleChecker+Valid, 1728 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:08,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1821 Valid, 1728 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 259 Invalid, 2 Unknown, 0 Unchecked, 7.2s Time] [2024-11-09 05:48:08,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4871 states. [2024-11-09 05:48:10,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4871 to 4869. [2024-11-09 05:48:10,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4869 states, 2837 states have (on average 1.2509693338033134) internal successors, (3549), 2990 states have internal predecessors, (3549), 1601 states have call successors, (1601), 419 states have call predecessors, (1601), 420 states have return successors, (1779), 1533 states have call predecessors, (1779), 1599 states have call successors, (1779) [2024-11-09 05:48:10,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4869 states to 4869 states and 6929 transitions. [2024-11-09 05:48:10,281 INFO L78 Accepts]: Start accepts. Automaton has 4869 states and 6929 transitions. Word has length 167 [2024-11-09 05:48:10,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:10,282 INFO L471 AbstractCegarLoop]: Abstraction has 4869 states and 6929 transitions. [2024-11-09 05:48:10,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-09 05:48:10,282 INFO L276 IsEmpty]: Start isEmpty. Operand 4869 states and 6929 transitions. [2024-11-09 05:48:10,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-09 05:48:10,286 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:10,286 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:10,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 05:48:10,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:10,487 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:48:10,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:10,488 INFO L85 PathProgramCache]: Analyzing trace with hash 866252658, now seen corresponding path program 1 times [2024-11-09 05:48:10,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:10,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733981182] [2024-11-09 05:48:10,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:10,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:14,317 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:48:14,317 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:14,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733981182] [2024-11-09 05:48:14,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733981182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:14,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:14,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:48:14,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445316356] [2024-11-09 05:48:14,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:14,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:48:14,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:14,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:48:14,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:48:14,320 INFO L87 Difference]: Start difference. First operand 4869 states and 6929 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-09 05:48:16,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:18,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:21,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:23,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:28,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:28,156 INFO L93 Difference]: Finished difference Result 4869 states and 6929 transitions. [2024-11-09 05:48:28,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:48:28,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 143 [2024-11-09 05:48:28,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:28,179 INFO L225 Difference]: With dead ends: 4869 [2024-11-09 05:48:28,179 INFO L226 Difference]: Without dead ends: 4867 [2024-11-09 05:48:28,182 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:48:28,183 INFO L432 NwaCegarLoop]: 1663 mSDtfsCounter, 1871 mSDsluCounter, 1663 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1871 SdHoareTripleChecker+Valid, 3326 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:28,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1871 Valid, 3326 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 492 Invalid, 3 Unknown, 0 Unchecked, 12.9s Time] [2024-11-09 05:48:28,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4867 states. [2024-11-09 05:48:29,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4867 to 4867. [2024-11-09 05:48:29,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4867 states, 2836 states have (on average 1.2507052186177716) internal successors, (3547), 2988 states have internal predecessors, (3547), 1601 states have call successors, (1601), 419 states have call predecessors, (1601), 420 states have return successors, (1779), 1533 states have call predecessors, (1779), 1599 states have call successors, (1779) [2024-11-09 05:48:29,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4867 states to 4867 states and 6927 transitions. [2024-11-09 05:48:29,252 INFO L78 Accepts]: Start accepts. Automaton has 4867 states and 6927 transitions. Word has length 143 [2024-11-09 05:48:29,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:29,253 INFO L471 AbstractCegarLoop]: Abstraction has 4867 states and 6927 transitions. [2024-11-09 05:48:29,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-09 05:48:29,254 INFO L276 IsEmpty]: Start isEmpty. Operand 4867 states and 6927 transitions. [2024-11-09 05:48:29,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-09 05:48:29,257 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:29,257 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:29,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-09 05:48:29,257 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:48:29,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:29,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1304979587, now seen corresponding path program 1 times [2024-11-09 05:48:29,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:29,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296895520] [2024-11-09 05:48:29,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:29,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:31,832 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:48:31,833 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:31,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296895520] [2024-11-09 05:48:31,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296895520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:31,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:31,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:48:31,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456148404] [2024-11-09 05:48:31,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:31,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:48:31,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:31,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:48:31,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:48:31,834 INFO L87 Difference]: Start difference. First operand 4867 states and 6927 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-09 05:48:33,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:36,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:39,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:45,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:49,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:49,167 INFO L93 Difference]: Finished difference Result 9550 states and 13801 transitions. [2024-11-09 05:48:49,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:48:49,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 148 [2024-11-09 05:48:49,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:49,210 INFO L225 Difference]: With dead ends: 9550 [2024-11-09 05:48:49,210 INFO L226 Difference]: Without dead ends: 9402 [2024-11-09 05:48:49,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:48:49,219 INFO L432 NwaCegarLoop]: 1663 mSDtfsCounter, 1825 mSDsluCounter, 3223 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1825 SdHoareTripleChecker+Valid, 4886 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:49,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1825 Valid, 4886 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 733 Invalid, 3 Unknown, 0 Unchecked, 15.8s Time] [2024-11-09 05:48:49,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9402 states. [2024-11-09 05:48:51,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9402 to 9376. [2024-11-09 05:48:51,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9376 states, 5482 states have (on average 1.2533746807734403) internal successors, (6871), 5764 states have internal predecessors, (6871), 3073 states have call successors, (3073), 809 states have call predecessors, (3073), 811 states have return successors, (3652), 2944 states have call predecessors, (3652), 3069 states have call successors, (3652) [2024-11-09 05:48:51,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9376 states to 9376 states and 13596 transitions. [2024-11-09 05:48:51,076 INFO L78 Accepts]: Start accepts. Automaton has 9376 states and 13596 transitions. Word has length 148 [2024-11-09 05:48:51,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:51,076 INFO L471 AbstractCegarLoop]: Abstraction has 9376 states and 13596 transitions. [2024-11-09 05:48:51,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-09 05:48:51,077 INFO L276 IsEmpty]: Start isEmpty. Operand 9376 states and 13596 transitions. [2024-11-09 05:48:51,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-09 05:48:51,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:51,080 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:51,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-09 05:48:51,080 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:48:51,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:51,081 INFO L85 PathProgramCache]: Analyzing trace with hash -72118836, now seen corresponding path program 1 times [2024-11-09 05:48:51,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:51,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548122969] [2024-11-09 05:48:51,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:51,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:53,815 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2024-11-09 05:48:53,815 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:53,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548122969] [2024-11-09 05:48:53,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548122969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:53,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:53,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:48:53,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307647176] [2024-11-09 05:48:53,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:53,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:48:53,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:53,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:48:53,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:48:53,818 INFO L87 Difference]: Start difference. First operand 9376 states and 13596 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-09 05:48:55,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:58,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:01,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:03,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:09,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:09,383 INFO L93 Difference]: Finished difference Result 18528 states and 26850 transitions. [2024-11-09 05:49:09,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:49:09,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 183 [2024-11-09 05:49:09,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:09,442 INFO L225 Difference]: With dead ends: 18528 [2024-11-09 05:49:09,442 INFO L226 Difference]: Without dead ends: 9377 [2024-11-09 05:49:09,496 INFO L431 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 [2024-11-09 05:49:09,497 INFO L432 NwaCegarLoop]: 1664 mSDtfsCounter, 0 mSDsluCounter, 1654 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3318 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:09,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3318 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 499 Invalid, 4 Unknown, 0 Unchecked, 14.0s Time] [2024-11-09 05:49:09,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9377 states. [2024-11-09 05:49:11,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9377 to 9377. [2024-11-09 05:49:11,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9377 states, 5483 states have (on average 1.2533284698157943) internal successors, (6872), 5765 states have internal predecessors, (6872), 3073 states have call successors, (3073), 809 states have call predecessors, (3073), 811 states have return successors, (3652), 2944 states have call predecessors, (3652), 3069 states have call successors, (3652) [2024-11-09 05:49:11,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9377 states to 9377 states and 13597 transitions. [2024-11-09 05:49:11,307 INFO L78 Accepts]: Start accepts. Automaton has 9377 states and 13597 transitions. Word has length 183 [2024-11-09 05:49:11,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:11,307 INFO L471 AbstractCegarLoop]: Abstraction has 9377 states and 13597 transitions. [2024-11-09 05:49:11,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-09 05:49:11,308 INFO L276 IsEmpty]: Start isEmpty. Operand 9377 states and 13597 transitions. [2024-11-09 05:49:11,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-09 05:49:11,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:11,312 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:11,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-09 05:49:11,312 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:49:11,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:11,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1964412295, now seen corresponding path program 1 times [2024-11-09 05:49:11,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:11,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594576250] [2024-11-09 05:49:11,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:11,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:14,798 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-09 05:49:14,799 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:14,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594576250] [2024-11-09 05:49:14,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594576250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:14,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:14,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:49:14,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88555756] [2024-11-09 05:49:14,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:14,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:49:14,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:14,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:49:14,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:49:14,802 INFO L87 Difference]: Start difference. First operand 9377 states and 13597 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-09 05:49:16,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:19,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:21,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:23,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:27,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:28,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:30,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:33,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:43,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:43,828 INFO L93 Difference]: Finished difference Result 9791 states and 14061 transitions. [2024-11-09 05:49:43,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:49:43,828 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 177 [2024-11-09 05:49:43,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:43,872 INFO L225 Difference]: With dead ends: 9791 [2024-11-09 05:49:43,872 INFO L226 Difference]: Without dead ends: 9789 [2024-11-09 05:49:43,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:49:43,879 INFO L432 NwaCegarLoop]: 2370 mSDtfsCounter, 1693 mSDsluCounter, 6419 mSDsCounter, 0 mSdLazyCounter, 1319 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1694 SdHoareTripleChecker+Valid, 8789 SdHoareTripleChecker+Invalid, 1326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1319 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:43,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1694 Valid, 8789 Invalid, 1326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1319 Invalid, 7 Unknown, 0 Unchecked, 27.4s Time] [2024-11-09 05:49:43,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9789 states. [2024-11-09 05:49:45,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9789 to 9397. [2024-11-09 05:49:45,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9397 states, 5495 states have (on average 1.2527752502274796) internal successors, (6884), 5781 states have internal predecessors, (6884), 3077 states have call successors, (3077), 813 states have call predecessors, (3077), 815 states have return successors, (3656), 2944 states have call predecessors, (3656), 3073 states have call successors, (3656) [2024-11-09 05:49:45,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9397 states to 9397 states and 13617 transitions. [2024-11-09 05:49:45,793 INFO L78 Accepts]: Start accepts. Automaton has 9397 states and 13617 transitions. Word has length 177 [2024-11-09 05:49:45,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:45,794 INFO L471 AbstractCegarLoop]: Abstraction has 9397 states and 13617 transitions. [2024-11-09 05:49:45,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-09 05:49:45,794 INFO L276 IsEmpty]: Start isEmpty. Operand 9397 states and 13617 transitions. [2024-11-09 05:49:45,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-09 05:49:45,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:45,797 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:45,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-09 05:49:45,798 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:49:45,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:45,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1296596065, now seen corresponding path program 1 times [2024-11-09 05:49:45,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:45,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147009246] [2024-11-09 05:49:45,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:45,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:48,552 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-09 05:49:48,552 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:48,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147009246] [2024-11-09 05:49:48,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147009246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:48,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:48,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:49:48,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647861655] [2024-11-09 05:49:48,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:48,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:49:48,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:48,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:49:48,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:49:48,554 INFO L87 Difference]: Start difference. First operand 9397 states and 13617 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-09 05:49:50,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:52,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:54,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:58,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:50:00,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:50:02,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:50:08,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:50:08,489 INFO L93 Difference]: Finished difference Result 18627 states and 27746 transitions. [2024-11-09 05:50:08,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:50:08,489 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 186 [2024-11-09 05:50:08,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:50:08,528 INFO L225 Difference]: With dead ends: 18627 [2024-11-09 05:50:08,528 INFO L226 Difference]: Without dead ends: 9457 [2024-11-09 05:50:08,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:50:08,572 INFO L432 NwaCegarLoop]: 1664 mSDtfsCounter, 11 mSDsluCounter, 3314 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 4978 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:50:08,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 4978 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 738 Invalid, 5 Unknown, 0 Unchecked, 18.5s Time] [2024-11-09 05:50:08,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9457 states. [2024-11-09 05:50:10,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9457 to 9413. [2024-11-09 05:50:10,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9413 states, 5511 states have (on average 1.2520413718018508) internal successors, (6900), 5797 states have internal predecessors, (6900), 3077 states have call successors, (3077), 813 states have call predecessors, (3077), 815 states have return successors, (3656), 2944 states have call predecessors, (3656), 3073 states have call successors, (3656) [2024-11-09 05:50:10,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9413 states to 9413 states and 13633 transitions. [2024-11-09 05:50:10,335 INFO L78 Accepts]: Start accepts. Automaton has 9413 states and 13633 transitions. Word has length 186 [2024-11-09 05:50:10,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:10,336 INFO L471 AbstractCegarLoop]: Abstraction has 9413 states and 13633 transitions. [2024-11-09 05:50:10,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-09 05:50:10,336 INFO L276 IsEmpty]: Start isEmpty. Operand 9413 states and 13633 transitions. [2024-11-09 05:50:10,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-09 05:50:10,338 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:10,339 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:50:10,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-09 05:50:10,339 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:50:10,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:10,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1452674844, now seen corresponding path program 1 times [2024-11-09 05:50:10,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:50:10,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317774594] [2024-11-09 05:50:10,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:10,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:50:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:13,579 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-09 05:50:13,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:50:13,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317774594] [2024-11-09 05:50:13,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317774594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:50:13,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:50:13,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:50:13,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57774565] [2024-11-09 05:50:13,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:50:13,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:50:13,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:50:13,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:50:13,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:50:13,582 INFO L87 Difference]: Start difference. First operand 9413 states and 13633 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-09 05:50:15,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:50:17,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:50:19,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:50:24,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:50:26,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:50:32,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:50:32,739 INFO L93 Difference]: Finished difference Result 9471 states and 13666 transitions. [2024-11-09 05:50:32,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:50:32,740 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 216 [2024-11-09 05:50:32,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:50:32,768 INFO L225 Difference]: With dead ends: 9471 [2024-11-09 05:50:32,769 INFO L226 Difference]: Without dead ends: 9469 [2024-11-09 05:50:32,772 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:50:32,773 INFO L432 NwaCegarLoop]: 1659 mSDtfsCounter, 1803 mSDsluCounter, 3349 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1804 SdHoareTripleChecker+Valid, 5008 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:50:32,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1804 Valid, 5008 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 762 Invalid, 5 Unknown, 0 Unchecked, 17.7s Time] [2024-11-09 05:50:32,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9469 states. [2024-11-09 05:50:34,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9469 to 9469. [2024-11-09 05:50:34,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9469 states, 5543 states have (on average 1.2491430633231102) internal successors, (6924), 5828 states have internal predecessors, (6924), 3077 states have call successors, (3077), 838 states have call predecessors, (3077), 840 states have return successors, (3656), 2944 states have call predecessors, (3656), 3073 states have call successors, (3656) [2024-11-09 05:50:34,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9469 states to 9469 states and 13657 transitions. [2024-11-09 05:50:34,355 INFO L78 Accepts]: Start accepts. Automaton has 9469 states and 13657 transitions. Word has length 216 [2024-11-09 05:50:34,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:34,356 INFO L471 AbstractCegarLoop]: Abstraction has 9469 states and 13657 transitions. [2024-11-09 05:50:34,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-09 05:50:34,356 INFO L276 IsEmpty]: Start isEmpty. Operand 9469 states and 13657 transitions. [2024-11-09 05:50:34,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-09 05:50:34,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:34,359 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:50:34,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-09 05:50:34,359 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:50:34,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:34,360 INFO L85 PathProgramCache]: Analyzing trace with hash 503826769, now seen corresponding path program 1 times [2024-11-09 05:50:34,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:50:34,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921119379] [2024-11-09 05:50:34,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:34,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:50:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:37,886 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-09 05:50:37,886 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:50:37,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921119379] [2024-11-09 05:50:37,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921119379] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:50:37,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916784891] [2024-11-09 05:50:37,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:37,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:50:37,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:50:37,888 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:50:37,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae7c411-69dc-4a33-839f-7ea99df934a0/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 05:50:42,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:42,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 3146 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 05:50:42,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:50:45,093 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 108 proven. 2 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-09 05:50:45,093 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:50:49,013 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-09 05:50:49,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916784891] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:50:49,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1596886830] [2024-11-09 05:50:49,040 INFO L159 IcfgInterpreter]: Started Sifa with 137 locations of interest [2024-11-09 05:50:49,041 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:50:49,045 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:50:49,051 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:50:49,051 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs