./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/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 3add28080dc751e24bc8330da878372a4b87bd4438008a316539add5cf0f3689 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:38:35,015 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:38:35,094 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 05:38:35,101 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:38:35,102 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:38:35,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:38:35,134 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:38:35,135 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:38:35,135 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:38:35,136 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:38:35,139 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:38:35,140 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:38:35,140 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:38:35,141 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:38:35,141 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:38:35,141 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:38:35,142 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:38:35,142 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:38:35,143 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:38:35,143 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:38:35,146 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:38:35,150 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:38:35,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:38:35,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:38:35,152 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:38:35,152 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:38:35,152 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:38:35,153 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:38:35,153 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:38:35,153 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:38:35,154 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:38:35,158 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:38:35,159 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:38:35,159 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:38:35,159 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:38:35,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:38:35,160 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:38:35,160 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:38:35,161 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:38:35,161 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:38:35,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:38:35,162 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:38:35,162 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:38:35,164 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:38:35,165 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3add28080dc751e24bc8330da878372a4b87bd4438008a316539add5cf0f3689 [2024-11-09 05:38:35,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:38:35,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:38:35,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:38:35,511 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:38:35,511 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:38:35,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i Unable to find full path for "g++" [2024-11-09 05:38:37,823 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:38:38,574 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:38:38,575 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i [2024-11-09 05:38:38,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/bin/utaipan-verify-YMUCfTKeje/data/c8043cdea/8e2ef04b66c542a0b06ca9872cf0d28c/FLAG3922fbab4 [2024-11-09 05:38:38,918 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/bin/utaipan-verify-YMUCfTKeje/data/c8043cdea/8e2ef04b66c542a0b06ca9872cf0d28c [2024-11-09 05:38:38,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:38:38,925 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:38:38,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:38:38,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:38:38,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:38:38,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:38:38" (1/1) ... [2024-11-09 05:38:38,954 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364d8ba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:38, skipping insertion in model container [2024-11-09 05:38:38,957 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:38:38" (1/1) ... [2024-11-09 05:38:39,225 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:38:45,112 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479065,479078] [2024-11-09 05:38:45,115 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479210,479223] [2024-11-09 05:38:45,115 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479356,479369] [2024-11-09 05:38:45,116 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479521,479534] [2024-11-09 05:38:45,116 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479679,479692] [2024-11-09 05:38:45,117 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479837,479850] [2024-11-09 05:38:45,117 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479995,480008] [2024-11-09 05:38:45,118 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480155,480168] [2024-11-09 05:38:45,118 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480314,480327] [2024-11-09 05:38:45,119 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480453,480466] [2024-11-09 05:38:45,119 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480595,480608] [2024-11-09 05:38:45,120 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480744,480757] [2024-11-09 05:38:45,120 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480883,480896] [2024-11-09 05:38:45,121 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481038,481051] [2024-11-09 05:38:45,121 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481198,481211] [2024-11-09 05:38:45,122 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481349,481362] [2024-11-09 05:38:45,122 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481500,481513] [2024-11-09 05:38:45,122 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481652,481665] [2024-11-09 05:38:45,123 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481801,481814] [2024-11-09 05:38:45,123 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481949,481962] [2024-11-09 05:38:45,124 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482106,482119] [2024-11-09 05:38:45,124 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482255,482268] [2024-11-09 05:38:45,125 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482411,482424] [2024-11-09 05:38:45,130 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482564,482577] [2024-11-09 05:38:45,130 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482710,482723] [2024-11-09 05:38:45,131 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482853,482866] [2024-11-09 05:38:45,131 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483005,483018] [2024-11-09 05:38:45,132 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483151,483164] [2024-11-09 05:38:45,132 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483296,483309] [2024-11-09 05:38:45,132 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483450,483463] [2024-11-09 05:38:45,133 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483601,483614] [2024-11-09 05:38:45,133 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483756,483769] [2024-11-09 05:38:45,138 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483908,483921] [2024-11-09 05:38:45,138 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484063,484076] [2024-11-09 05:38:45,139 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484227,484240] [2024-11-09 05:38:45,139 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484383,484396] [2024-11-09 05:38:45,139 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484547,484560] [2024-11-09 05:38:45,140 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484689,484702] [2024-11-09 05:38:45,140 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484847,484860] [2024-11-09 05:38:45,140 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485014,485027] [2024-11-09 05:38:45,141 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485173,485186] [2024-11-09 05:38:45,141 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485332,485345] [2024-11-09 05:38:45,141 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485481,485494] [2024-11-09 05:38:45,143 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485628,485641] [2024-11-09 05:38:45,143 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485767,485780] [2024-11-09 05:38:45,144 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485930,485943] [2024-11-09 05:38:45,144 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486096,486109] [2024-11-09 05:38:45,145 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486260,486273] [2024-11-09 05:38:45,145 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486425,486438] [2024-11-09 05:38:45,145 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486590,486603] [2024-11-09 05:38:45,146 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486756,486769] [2024-11-09 05:38:45,146 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486921,486934] [2024-11-09 05:38:45,147 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487088,487101] [2024-11-09 05:38:45,147 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487248,487261] [2024-11-09 05:38:45,147 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487410,487423] [2024-11-09 05:38:45,148 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487569,487582] [2024-11-09 05:38:45,148 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487715,487728] [2024-11-09 05:38:45,149 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487858,487871] [2024-11-09 05:38:45,150 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488002,488015] [2024-11-09 05:38:45,151 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488145,488158] [2024-11-09 05:38:45,151 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488289,488302] [2024-11-09 05:38:45,152 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488430,488443] [2024-11-09 05:38:45,152 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488568,488581] [2024-11-09 05:38:45,153 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488726,488739] [2024-11-09 05:38:45,153 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488885,488898] [2024-11-09 05:38:45,154 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489041,489054] [2024-11-09 05:38:45,154 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489190,489203] [2024-11-09 05:38:45,155 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489342,489355] [2024-11-09 05:38:45,155 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489493,489506] [2024-11-09 05:38:45,156 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489642,489655] [2024-11-09 05:38:45,156 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489794,489807] [2024-11-09 05:38:45,157 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489942,489955] [2024-11-09 05:38:45,157 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490095,490108] [2024-11-09 05:38:45,158 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490246,490259] [2024-11-09 05:38:45,158 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490396,490409] [2024-11-09 05:38:45,158 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490543,490556] [2024-11-09 05:38:45,159 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490694,490707] [2024-11-09 05:38:45,159 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490845,490858] [2024-11-09 05:38:45,160 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490993,491006] [2024-11-09 05:38:45,160 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491159,491172] [2024-11-09 05:38:45,161 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491328,491341] [2024-11-09 05:38:45,161 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491495,491508] [2024-11-09 05:38:45,162 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491663,491676] [2024-11-09 05:38:45,162 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491813,491826] [2024-11-09 05:38:45,163 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491960,491973] [2024-11-09 05:38:45,163 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492121,492134] [2024-11-09 05:38:45,164 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492291,492304] [2024-11-09 05:38:45,164 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492453,492466] [2024-11-09 05:38:45,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:38:45,241 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:38:45,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4418] [2024-11-09 05:38:45,403 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6400] [2024-11-09 05:38:45,404 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [6435] [2024-11-09 05:38:45,404 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [6438] [2024-11-09 05:38:45,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [6440] [2024-11-09 05:38:45,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [6445] [2024-11-09 05:38:45,406 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [6448] [2024-11-09 05:38:45,406 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [6450] [2024-11-09 05:38:45,406 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [6455] [2024-11-09 05:38:45,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [6458] [2024-11-09 05:38:45,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [6460] [2024-11-09 05:38:45,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [6465] [2024-11-09 05:38:45,408 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [6468] [2024-11-09 05:38:45,409 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [6470] [2024-11-09 05:38:45,409 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [6508] [2024-11-09 05:38:45,410 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [6511] [2024-11-09 05:38:45,410 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [6513] [2024-11-09 05:38:45,410 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [6518] [2024-11-09 05:38:45,411 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [6521] [2024-11-09 05:38:45,411 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [6523] [2024-11-09 05:38:45,411 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [6528] [2024-11-09 05:38:45,411 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [6531] [2024-11-09 05:38:45,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [6533] [2024-11-09 05:38:45,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [6538] [2024-11-09 05:38:45,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [6541] [2024-11-09 05:38:45,413 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [6543] [2024-11-09 05:38:45,414 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6585] [2024-11-09 05:38:45,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6595] [2024-11-09 05:38:45,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6613] [2024-11-09 05:38:45,417 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6622] [2024-11-09 05:38:45,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("rep; bsf %1,%0": "=r" (word): "r" (~ word)); [8803] [2024-11-09 05:38:45,638 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [11507] [2024-11-09 05:38:45,638 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [11510] [2024-11-09 05:38:45,639 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [11512] [2024-11-09 05:38:45,639 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [11517] [2024-11-09 05:38:45,639 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [11520] [2024-11-09 05:38:45,640 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [11522] [2024-11-09 05:38:45,641 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [11527] [2024-11-09 05:38:45,641 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [11530] [2024-11-09 05:38:45,641 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [11532] [2024-11-09 05:38:45,642 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [11537] [2024-11-09 05:38:45,642 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [11540] [2024-11-09 05:38:45,642 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [11542] [2024-11-09 05:38:45,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [11580] [2024-11-09 05:38:45,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [11583] [2024-11-09 05:38:45,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [11585] [2024-11-09 05:38:45,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [11590] [2024-11-09 05:38:45,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [11593] [2024-11-09 05:38:45,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [11595] [2024-11-09 05:38:45,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [11600] [2024-11-09 05:38:45,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [11603] [2024-11-09 05:38:45,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [11605] [2024-11-09 05:38:45,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [11610] [2024-11-09 05:38:45,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [11613] [2024-11-09 05:38:45,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [11615] [2024-11-09 05:38:45,647 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [11636] [2024-11-09 05:38:45,647 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [11645] [2024-11-09 05:38:45,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12785] [2024-11-09 05:38:45,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13044] [2024-11-09 05:38:45,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsfl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [13279] [2024-11-09 05:38:45,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13289] [2024-11-09 05:38:45,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13554] [2024-11-09 05:38:45,807 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479065,479078] [2024-11-09 05:38:45,808 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479210,479223] [2024-11-09 05:38:45,809 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479356,479369] [2024-11-09 05:38:45,810 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479521,479534] [2024-11-09 05:38:45,810 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479679,479692] [2024-11-09 05:38:45,811 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479837,479850] [2024-11-09 05:38:45,812 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479995,480008] [2024-11-09 05:38:45,812 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480155,480168] [2024-11-09 05:38:45,813 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480314,480327] [2024-11-09 05:38:45,813 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480453,480466] [2024-11-09 05:38:45,814 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480595,480608] [2024-11-09 05:38:45,815 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480744,480757] [2024-11-09 05:38:45,815 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480883,480896] [2024-11-09 05:38:45,816 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481038,481051] [2024-11-09 05:38:45,817 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481198,481211] [2024-11-09 05:38:45,817 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481349,481362] [2024-11-09 05:38:45,818 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481500,481513] [2024-11-09 05:38:45,818 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481652,481665] [2024-11-09 05:38:45,819 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481801,481814] [2024-11-09 05:38:45,819 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481949,481962] [2024-11-09 05:38:45,820 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482106,482119] [2024-11-09 05:38:45,820 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482255,482268] [2024-11-09 05:38:45,821 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482411,482424] [2024-11-09 05:38:45,821 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482564,482577] [2024-11-09 05:38:45,822 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482710,482723] [2024-11-09 05:38:45,822 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482853,482866] [2024-11-09 05:38:45,823 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483005,483018] [2024-11-09 05:38:45,823 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483151,483164] [2024-11-09 05:38:45,824 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483296,483309] [2024-11-09 05:38:45,824 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483450,483463] [2024-11-09 05:38:45,826 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483601,483614] [2024-11-09 05:38:45,829 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483756,483769] [2024-11-09 05:38:45,830 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483908,483921] [2024-11-09 05:38:45,831 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484063,484076] [2024-11-09 05:38:45,831 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484227,484240] [2024-11-09 05:38:45,832 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484383,484396] [2024-11-09 05:38:45,832 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484547,484560] [2024-11-09 05:38:45,834 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484689,484702] [2024-11-09 05:38:45,835 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484847,484860] [2024-11-09 05:38:45,836 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485014,485027] [2024-11-09 05:38:45,837 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485173,485186] [2024-11-09 05:38:45,838 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485332,485345] [2024-11-09 05:38:45,838 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485481,485494] [2024-11-09 05:38:45,839 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485628,485641] [2024-11-09 05:38:45,839 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485767,485780] [2024-11-09 05:38:45,840 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485930,485943] [2024-11-09 05:38:45,841 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486096,486109] [2024-11-09 05:38:45,841 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486260,486273] [2024-11-09 05:38:45,842 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486425,486438] [2024-11-09 05:38:45,842 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486590,486603] [2024-11-09 05:38:45,842 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486756,486769] [2024-11-09 05:38:45,843 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486921,486934] [2024-11-09 05:38:45,843 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487088,487101] [2024-11-09 05:38:45,843 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487248,487261] [2024-11-09 05:38:45,844 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487410,487423] [2024-11-09 05:38:45,845 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487569,487582] [2024-11-09 05:38:45,846 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487715,487728] [2024-11-09 05:38:45,846 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487858,487871] [2024-11-09 05:38:45,848 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488002,488015] [2024-11-09 05:38:45,849 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488145,488158] [2024-11-09 05:38:45,849 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488289,488302] [2024-11-09 05:38:45,850 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488430,488443] [2024-11-09 05:38:45,850 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488568,488581] [2024-11-09 05:38:45,852 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488726,488739] [2024-11-09 05:38:45,853 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488885,488898] [2024-11-09 05:38:45,854 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489041,489054] [2024-11-09 05:38:45,856 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489190,489203] [2024-11-09 05:38:45,857 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489342,489355] [2024-11-09 05:38:45,858 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489493,489506] [2024-11-09 05:38:45,858 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489642,489655] [2024-11-09 05:38:45,859 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489794,489807] [2024-11-09 05:38:45,860 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489942,489955] [2024-11-09 05:38:45,860 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490095,490108] [2024-11-09 05:38:45,861 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490246,490259] [2024-11-09 05:38:45,861 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490396,490409] [2024-11-09 05:38:45,861 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490543,490556] [2024-11-09 05:38:45,862 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490694,490707] [2024-11-09 05:38:45,862 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490845,490858] [2024-11-09 05:38:45,863 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490993,491006] [2024-11-09 05:38:45,863 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491159,491172] [2024-11-09 05:38:45,864 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491328,491341] [2024-11-09 05:38:45,864 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491495,491508] [2024-11-09 05:38:45,866 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491663,491676] [2024-11-09 05:38:45,867 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491813,491826] [2024-11-09 05:38:45,867 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491960,491973] [2024-11-09 05:38:45,868 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492121,492134] [2024-11-09 05:38:45,868 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492291,492304] [2024-11-09 05:38:45,869 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_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492453,492466] [2024-11-09 05:38:45,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:38:46,213 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:38:46,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:46 WrapperNode [2024-11-09 05:38:46,214 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:38:46,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:38:46,216 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:38:46,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:38:46,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:46" (1/1) ... [2024-11-09 05:38:46,377 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:46" (1/1) ... [2024-11-09 05:38:46,762 INFO L138 Inliner]: procedures = 716, calls = 4212, calls flagged for inlining = 351, calls inlined = 253, statements flattened = 8871 [2024-11-09 05:38:46,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:38:46,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:38:46,764 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:38:46,764 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:38:46,778 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:46" (1/1) ... [2024-11-09 05:38:46,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:46" (1/1) ... [2024-11-09 05:38:46,840 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:46" (1/1) ... [2024-11-09 05:38:46,841 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:46" (1/1) ... [2024-11-09 05:38:47,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:46" (1/1) ... [2024-11-09 05:38:47,071 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:46" (1/1) ... [2024-11-09 05:38:47,118 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:46" (1/1) ... [2024-11-09 05:38:47,146 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:46" (1/1) ... [2024-11-09 05:38:47,209 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:38:47,211 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:38:47,211 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:38:47,212 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:38:47,212 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:46" (1/1) ... [2024-11-09 05:38:47,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:38:47,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:38:47,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:38:47,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec66f2-3588-4da5-85e6-2949d47cfaa9/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:38:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure put_bh___2 [2024-11-09 05:38:47,295 INFO L138 BoogieDeclarations]: Found implementation of procedure put_bh___2 [2024-11-09 05:38:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure put_bh___3 [2024-11-09 05:38:47,296 INFO L138 BoogieDeclarations]: Found implementation of procedure put_bh___3 [2024-11-09 05:38:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure set_nlink [2024-11-09 05:38:47,296 INFO L138 BoogieDeclarations]: Found implementation of procedure set_nlink [2024-11-09 05:38:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure zlib_uncompress [2024-11-09 05:38:47,296 INFO L138 BoogieDeclarations]: Found implementation of procedure zlib_uncompress [2024-11-09 05:38:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2024-11-09 05:38:47,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2024-11-09 05:38:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2024-11-09 05:38:47,297 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2024-11-09 05:38:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-09 05:38:47,297 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-09 05:38:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2024-11-09 05:38:47,298 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2024-11-09 05:38:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure ll_rw_block [2024-11-09 05:38:47,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_rw_block [2024-11-09 05:38:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 05:38:47,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 05:38:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2024-11-09 05:38:47,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2024-11-09 05:38:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2024-11-09 05:38:47,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2024-11-09 05:38:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-09 05:38:47,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-09 05:38:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_finish_page [2024-11-09 05:38:47,300 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_finish_page [2024-11-09 05:38:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2024-11-09 05:38:47,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2024-11-09 05:38:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2024-11-09 05:38:47,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2024-11-09 05:38:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_xz_uncompress [2024-11-09 05:38:47,301 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_xz_uncompress [2024-11-09 05:38:47,400 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_lookup [2024-11-09 05:38:47,400 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_lookup [2024-11-09 05:38:47,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_meta_index_mutex_of_squashfs_sb_info [2024-11-09 05:38:47,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_meta_index_mutex_of_squashfs_sb_info [2024-11-09 05:38:47,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-09 05:38:47,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-09 05:38:47,401 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_copy_data [2024-11-09 05:38:47,401 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_copy_data [2024-11-09 05:38:47,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-09 05:38:47,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-09 05:38:47,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2024-11-09 05:38:47,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2024-11-09 05:38:47,401 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_inodecache [2024-11-09 05:38:47,401 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_inodecache [2024-11-09 05:38:47,401 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_read_inode [2024-11-09 05:38:47,401 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_read_inode [2024-11-09 05:38:47,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:38:47,402 INFO L130 BoogieDeclarations]: Found specification of procedure lzo_free [2024-11-09 05:38:47,402 INFO L138 BoogieDeclarations]: Found implementation of procedure lzo_free [2024-11-09 05:38:47,402 INFO L130 BoogieDeclarations]: Found specification of procedure init_special_inode [2024-11-09 05:38:47,402 INFO L138 BoogieDeclarations]: Found implementation of procedure init_special_inode [2024-11-09 05:38:47,402 INFO L130 BoogieDeclarations]: Found specification of procedure zlib_free [2024-11-09 05:38:47,402 INFO L138 BoogieDeclarations]: Found implementation of procedure zlib_free [2024-11-09 05:38:47,402 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-09 05:38:47,402 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-09 05:38:47,402 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_frag_lookup [2024-11-09 05:38:47,402 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_frag_lookup [2024-11-09 05:38:47,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2024-11-09 05:38:47,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2024-11-09 05:38:47,403 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2024-11-09 05:38:47,403 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2024-11-09 05:38:47,403 INFO L130 BoogieDeclarations]: Found specification of procedure init_once [2024-11-09 05:38:47,403 INFO L138 BoogieDeclarations]: Found implementation of procedure init_once [2024-11-09 05:38:47,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-09 05:38:47,403 INFO L130 BoogieDeclarations]: Found specification of procedure sb_bread [2024-11-09 05:38:47,403 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_bread [2024-11-09 05:38:47,410 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_xz_init [2024-11-09 05:38:47,410 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_xz_init [2024-11-09 05:38:47,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 05:38:47,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2024-11-09 05:38:47,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2024-11-09 05:38:47,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-09 05:38:47,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-09 05:38:47,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2024-11-09 05:38:47,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2024-11-09 05:38:47,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:38:47,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2024-11-09 05:38:47,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2024-11-09 05:38:47,411 INFO L130 BoogieDeclarations]: Found specification of procedure read_indexes [2024-11-09 05:38:47,412 INFO L138 BoogieDeclarations]: Found implementation of procedure read_indexes [2024-11-09 05:38:47,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2024-11-09 05:38:47,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2024-11-09 05:38:47,412 INFO L130 BoogieDeclarations]: Found specification of procedure new_decode_dev [2024-11-09 05:38:47,412 INFO L138 BoogieDeclarations]: Found implementation of procedure new_decode_dev [2024-11-09 05:38:47,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-09 05:38:47,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-09 05:38:47,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2024-11-09 05:38:47,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2024-11-09 05:38:47,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-09 05:38:47,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-09 05:38:47,412 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2024-11-09 05:38:47,413 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2024-11-09 05:38:47,413 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_i [2024-11-09 05:38:47,413 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_i [2024-11-09 05:38:47,413 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2024-11-09 05:38:47,413 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2024-11-09 05:38:47,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2024-11-09 05:38:47,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2024-11-09 05:38:47,414 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_next_page [2024-11-09 05:38:47,414 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_next_page [2024-11-09 05:38:47,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2024-11-09 05:38:47,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2024-11-09 05:38:47,414 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_export_iget [2024-11-09 05:38:47,415 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_export_iget [2024-11-09 05:38:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 05:38:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_meta_index_mutex_of_squashfs_sb_info [2024-11-09 05:38:47,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_meta_index_mutex_of_squashfs_sb_info [2024-11-09 05:38:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_user_list [2024-11-09 05:38:47,415 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_user_list [2024-11-09 05:38:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2024-11-09 05:38:47,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2024-11-09 05:38:47,416 INFO L130 BoogieDeclarations]: Found specification of procedure lzo_uncompress [2024-11-09 05:38:47,416 INFO L138 BoogieDeclarations]: Found implementation of procedure lzo_uncompress [2024-11-09 05:38:47,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:38:47,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-09 05:38:47,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-09 05:38:47,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 05:38:47,416 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-11-09 05:38:47,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-11-09 05:38:47,417 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 05:38:47,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 05:38:47,417 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_statfs [2024-11-09 05:38:47,417 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_statfs [2024-11-09 05:38:47,417 INFO L130 BoogieDeclarations]: Found specification of procedure release_meta_index [2024-11-09 05:38:47,417 INFO L138 BoogieDeclarations]: Found implementation of procedure release_meta_index [2024-11-09 05:38:47,417 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2024-11-09 05:38:47,418 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2024-11-09 05:38:47,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2024-11-09 05:38:47,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2024-11-09 05:38:47,418 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_cache_delete [2024-11-09 05:38:47,418 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_cache_delete [2024-11-09 05:38:47,418 INFO L130 BoogieDeclarations]: Found specification of procedure lz4_comp_opts [2024-11-09 05:38:47,418 INFO L138 BoogieDeclarations]: Found implementation of procedure lz4_comp_opts [2024-11-09 05:38:47,419 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-09 05:38:47,419 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-09 05:38:47,419 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2024-11-09 05:38:47,419 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2024-11-09 05:38:47,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:38:47,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:38:47,419 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_read_metadata [2024-11-09 05:38:47,419 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_read_metadata [2024-11-09 05:38:47,420 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_read_data [2024-11-09 05:38:47,420 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_read_data [2024-11-09 05:38:47,420 INFO L130 BoogieDeclarations]: Found specification of procedure kill_block_super [2024-11-09 05:38:47,420 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_block_super [2024-11-09 05:38:47,420 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_page [2024-11-09 05:38:47,420 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_page [2024-11-09 05:38:47,420 INFO L130 BoogieDeclarations]: Found specification of procedure dir_emit [2024-11-09 05:38:47,420 INFO L138 BoogieDeclarations]: Found implementation of procedure dir_emit [2024-11-09 05:38:47,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-09 05:38:47,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 05:38:47,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-09 05:38:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-09 05:38:47,421 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_security_list [2024-11-09 05:38:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_security_list [2024-11-09 05:38:47,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-09 05:38:47,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-09 05:38:47,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_squashfs_stream [2024-11-09 05:38:47,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_squashfs_stream [2024-11-09 05:38:47,422 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageError [2024-11-09 05:38:47,422 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageError [2024-11-09 05:38:47,422 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_iget [2024-11-09 05:38:47,422 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_iget [2024-11-09 05:38:47,422 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_xattr_get [2024-11-09 05:38:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_xattr_get [2024-11-09 05:38:47,423 INFO L130 BoogieDeclarations]: Found specification of procedure lzo_init [2024-11-09 05:38:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure lzo_init [2024-11-09 05:38:47,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 05:38:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 05:38:47,423 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_get_id [2024-11-09 05:38:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_get_id [2024-11-09 05:38:47,423 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2024-11-09 05:38:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2024-11-09 05:38:47,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2024-11-09 05:38:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2024-11-09 05:38:47,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2024-11-09 05:38:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2024-11-09 05:38:47,424 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2024-11-09 05:38:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2024-11-09 05:38:47,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2024-11-09 05:38:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2024-11-09 05:38:47,424 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_copy_cache [2024-11-09 05:38:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_copy_cache [2024-11-09 05:38:47,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:38:47,425 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-09 05:38:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-09 05:38:47,425 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2024-11-09 05:38:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2024-11-09 05:38:47,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2024-11-09 05:38:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2024-11-09 05:38:47,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 05:38:47,426 INFO L130 BoogieDeclarations]: Found specification of procedure page_follow_link_light [2024-11-09 05:38:47,426 INFO L138 BoogieDeclarations]: Found implementation of procedure page_follow_link_light [2024-11-09 05:38:47,426 INFO L130 BoogieDeclarations]: Found specification of procedure put_bh [2024-11-09 05:38:47,426 INFO L138 BoogieDeclarations]: Found implementation of procedure put_bh [2024-11-09 05:38:47,427 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_xz_free [2024-11-09 05:38:47,427 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_xz_free [2024-11-09 05:38:47,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 05:38:47,427 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 05:38:47,427 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 05:38:47,427 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_symlink_readpage [2024-11-09 05:38:47,428 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_symlink_readpage [2024-11-09 05:38:47,428 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-09 05:38:47,428 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-09 05:38:47,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2024-11-09 05:38:47,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2024-11-09 05:38:47,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-09 05:38:47,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-09 05:38:47,429 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_trusted_list [2024-11-09 05:38:47,429 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_trusted_list [2024-11-09 05:38:47,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-09 05:38:47,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-09 05:38:47,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2024-11-09 05:38:47,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2024-11-09 05:38:47,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-11-09 05:38:47,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-11-09 05:38:47,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2024-11-09 05:38:47,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2024-11-09 05:38:47,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2024-11-09 05:38:47,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2024-11-09 05:38:47,430 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_decompressor_destroy [2024-11-09 05:38:47,430 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_decompressor_destroy [2024-11-09 05:38:47,430 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_cache_get [2024-11-09 05:38:47,430 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_cache_get [2024-11-09 05:38:47,431 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-09 05:38:47,431 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-09 05:38:47,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2024-11-09 05:38:47,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2024-11-09 05:38:47,431 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_destroy_inode [2024-11-09 05:38:47,431 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_destroy_inode [2024-11-09 05:38:47,431 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-09 05:38:47,431 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-09 05:38:47,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-11-09 05:38:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-11-09 05:38:47,432 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_readdir [2024-11-09 05:38:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_readdir [2024-11-09 05:38:47,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:38:47,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2024-11-09 05:38:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2024-11-09 05:38:47,432 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-09 05:38:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-09 05:38:47,432 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_first_page [2024-11-09 05:38:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_first_page [2024-11-09 05:38:47,432 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_readpage [2024-11-09 05:38:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_readpage [2024-11-09 05:38:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-09 05:38:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-09 05:38:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageUptodate [2024-11-09 05:38:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageUptodate [2024-11-09 05:38:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_cache_put [2024-11-09 05:38:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_cache_put [2024-11-09 05:38:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_95 [2024-11-09 05:38:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_95 [2024-11-09 05:38:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2024-11-09 05:38:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2024-11-09 05:38:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2024-11-09 05:38:47,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2024-11-09 05:38:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure lz4_init [2024-11-09 05:38:47,434 INFO L138 BoogieDeclarations]: Found implementation of procedure lz4_init [2024-11-09 05:38:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-11-09 05:38:47,434 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-11-09 05:38:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-09 05:38:47,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-09 05:38:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure zlib_init [2024-11-09 05:38:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure zlib_init [2024-11-09 05:38:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-09 05:38:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-09 05:38:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2024-11-09 05:38:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2024-11-09 05:38:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure sb_getblk [2024-11-09 05:38:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_getblk [2024-11-09 05:38:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_xz_comp_opts [2024-11-09 05:38:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_xz_comp_opts [2024-11-09 05:38:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_put_super [2024-11-09 05:38:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_put_super [2024-11-09 05:38:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2024-11-09 05:38:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2024-11-09 05:38:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:38:48,885 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:38:48,889 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:38:50,049 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-09 05:39:04,813 INFO L? ?]: Removed 3537 outVars from TransFormulas that were not future-live. [2024-11-09 05:39:04,813 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:39:07,911 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:39:07,911 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 05:39:07,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:39:07 BoogieIcfgContainer [2024-11-09 05:39:07,912 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:39:07,915 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:39:07,916 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:39:07,919 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:39:07,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:38:38" (1/3) ... [2024-11-09 05:39:07,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a25838d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:39:07, skipping insertion in model container [2024-11-09 05:39:07,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:46" (2/3) ... [2024-11-09 05:39:07,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a25838d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:39:07, skipping insertion in model container [2024-11-09 05:39:07,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:39:07" (3/3) ... [2024-11-09 05:39:07,926 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i [2024-11-09 05:39:07,951 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:39:07,951 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2024-11-09 05:39:08,115 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:39:08,123 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;@7053525c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:39:08,125 INFO L334 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2024-11-09 05:39:08,143 INFO L276 IsEmpty]: Start isEmpty. Operand has 2192 states, 1321 states have (on average 1.3406510219530658) internal successors, (1771), 1418 states have internal predecessors, (1771), 705 states have call successors, (705), 133 states have call predecessors, (705), 132 states have return successors, (695), 678 states have call predecessors, (695), 695 states have call successors, (695) [2024-11-09 05:39:08,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 05:39:08,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:08,158 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:39:08,159 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:39:08,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:08,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1823814200, now seen corresponding path program 1 times [2024-11-09 05:39:08,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:39:08,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739863108] [2024-11-09 05:39:08,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:08,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:39:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:19,673 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 05:39:19,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:39:19,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739863108] [2024-11-09 05:39:19,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739863108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:39:19,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:39:19,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:39:19,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197938162] [2024-11-09 05:39:19,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:39:19,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:39:19,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:39:19,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:39:19,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:39:19,727 INFO L87 Difference]: Start difference. First operand has 2192 states, 1321 states have (on average 1.3406510219530658) internal successors, (1771), 1418 states have internal predecessors, (1771), 705 states have call successors, (705), 133 states have call predecessors, (705), 132 states have return successors, (695), 678 states have call predecessors, (695), 695 states have call successors, (695) Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 05:39:21,896 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 05:39:24,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:39:26,406 WARN L539 Checker$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 05:39:31,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:39:31,764 INFO L93 Difference]: Finished difference Result 4351 states and 6480 transitions. [2024-11-09 05:39:31,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:39:31,767 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 35 [2024-11-09 05:39:31,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:39:31,807 INFO L225 Difference]: With dead ends: 4351 [2024-11-09 05:39:31,807 INFO L226 Difference]: Without dead ends: 2162 [2024-11-09 05:39:31,827 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 05:39:31,830 INFO L432 NwaCegarLoop]: 2786 mSDtfsCounter, 3090 mSDsluCounter, 2786 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3090 SdHoareTripleChecker+Valid, 5572 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:39:31,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3090 Valid, 5572 Invalid, 639 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 637 Invalid, 2 Unknown, 0 Unchecked, 11.5s Time] [2024-11-09 05:39:31,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2162 states. [2024-11-09 05:39:32,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2162 to 2162. [2024-11-09 05:39:32,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2162 states, 1309 states have (on average 1.297937356760886) internal successors, (1699), 1392 states have internal predecessors, (1699), 691 states have call successors, (691), 131 states have call predecessors, (691), 130 states have return successors, (689), 672 states have call predecessors, (689), 689 states have call successors, (689) [2024-11-09 05:39:32,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2162 states to 2162 states and 3079 transitions. [2024-11-09 05:39:32,110 INFO L78 Accepts]: Start accepts. Automaton has 2162 states and 3079 transitions. Word has length 35 [2024-11-09 05:39:32,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:39:32,112 INFO L471 AbstractCegarLoop]: Abstraction has 2162 states and 3079 transitions. [2024-11-09 05:39:32,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 05:39:32,113 INFO L276 IsEmpty]: Start isEmpty. Operand 2162 states and 3079 transitions. [2024-11-09 05:39:32,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 05:39:32,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:32,115 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:39:32,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:39:32,116 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_for_read_sectionErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:39:32,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:32,116 INFO L85 PathProgramCache]: Analyzing trace with hash -333979899, now seen corresponding path program 1 times [2024-11-09 05:39:32,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:39:32,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675231841] [2024-11-09 05:39:32,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:32,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:39:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:41,821 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 05:39:41,823 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:39:41,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675231841] [2024-11-09 05:39:41,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675231841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:39:41,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:39:41,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:39:41,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332903436] [2024-11-09 05:39:41,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:39:41,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:39:41,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:39:41,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:39:41,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:39:41,828 INFO L87 Difference]: Start difference. First operand 2162 states and 3079 transitions. 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, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 05:39:43,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:39:46,137 WARN L539 Checker$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 05:39:48,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:39:54,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:39:54,850 INFO L93 Difference]: Finished difference Result 2162 states and 3079 transitions. [2024-11-09 05:39:54,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:39:54,851 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, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 37 [2024-11-09 05:39:54,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:39:54,868 INFO L225 Difference]: With dead ends: 2162 [2024-11-09 05:39:54,869 INFO L226 Difference]: Without dead ends: 2160 [2024-11-09 05:39:54,870 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 05:39:54,871 INFO L432 NwaCegarLoop]: 2759 mSDtfsCounter, 3059 mSDsluCounter, 2759 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3059 SdHoareTripleChecker+Valid, 5518 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:39:54,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3059 Valid, 5518 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 12.7s Time] [2024-11-09 05:39:54,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2160 states. [2024-11-09 05:39:55,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2160 to 2160. [2024-11-09 05:39:55,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2160 states, 1308 states have (on average 1.297400611620795) internal successors, (1697), 1390 states have internal predecessors, (1697), 691 states have call successors, (691), 131 states have call predecessors, (691), 130 states have return successors, (689), 672 states have call predecessors, (689), 689 states have call successors, (689) [2024-11-09 05:39:55,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 2160 states and 3077 transitions. [2024-11-09 05:39:55,026 INFO L78 Accepts]: Start accepts. Automaton has 2160 states and 3077 transitions. Word has length 37 [2024-11-09 05:39:55,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:39:55,026 INFO L471 AbstractCegarLoop]: Abstraction has 2160 states and 3077 transitions. [2024-11-09 05:39:55,027 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, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 05:39:55,027 INFO L276 IsEmpty]: Start isEmpty. Operand 2160 states and 3077 transitions. [2024-11-09 05:39:55,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 05:39:55,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:55,031 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:39:55,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:39:55,032 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_for_read_sectionErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:39:55,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:55,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1172659763, now seen corresponding path program 1 times [2024-11-09 05:39:55,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:39:55,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014690327] [2024-11-09 05:39:55,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:55,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:40:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:03,085 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 05:40:03,086 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:40:03,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014690327] [2024-11-09 05:40:03,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014690327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:40:03,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:40:03,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:40:03,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179700031] [2024-11-09 05:40:03,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:40:03,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:40:03,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:40:03,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:40:03,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:40:03,089 INFO L87 Difference]: Start difference. First operand 2160 states and 3077 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 05:40:05,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:07,373 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 05:40:14,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:40:14,218 INFO L93 Difference]: Finished difference Result 2160 states and 3077 transitions. [2024-11-09 05:40:14,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:40:14,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2024-11-09 05:40:14,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:40:14,236 INFO L225 Difference]: With dead ends: 2160 [2024-11-09 05:40:14,236 INFO L226 Difference]: Without dead ends: 2158 [2024-11-09 05:40:14,238 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 05:40:14,240 INFO L432 NwaCegarLoop]: 2757 mSDtfsCounter, 3055 mSDsluCounter, 2757 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3055 SdHoareTripleChecker+Valid, 5514 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:40:14,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3055 Valid, 5514 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 10.9s Time] [2024-11-09 05:40:14,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2158 states. [2024-11-09 05:40:14,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2158 to 2158. [2024-11-09 05:40:14,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2158 states, 1307 states have (on average 1.2968630451415455) internal successors, (1695), 1388 states have internal predecessors, (1695), 691 states have call successors, (691), 131 states have call predecessors, (691), 130 states have return successors, (689), 672 states have call predecessors, (689), 689 states have call successors, (689) [2024-11-09 05:40:14,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 2158 states and 3075 transitions. [2024-11-09 05:40:14,394 INFO L78 Accepts]: Start accepts. Automaton has 2158 states and 3075 transitions. Word has length 39 [2024-11-09 05:40:14,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:40:14,394 INFO L471 AbstractCegarLoop]: Abstraction has 2158 states and 3075 transitions. [2024-11-09 05:40:14,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 05:40:14,395 INFO L276 IsEmpty]: Start isEmpty. Operand 2158 states and 3075 transitions. [2024-11-09 05:40:14,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 05:40:14,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:40:14,396 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:40:14,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:40:14,397 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_for_read_sectionErr3ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:40:14,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:40:14,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1649386006, now seen corresponding path program 1 times [2024-11-09 05:40:14,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:40:14,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998032702] [2024-11-09 05:40:14,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:14,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:40:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:23,045 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 05:40:23,045 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:40:23,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998032702] [2024-11-09 05:40:23,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998032702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:40:23,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:40:23,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:40:23,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85329808] [2024-11-09 05:40:23,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:40:23,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:40:23,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:40:23,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:40:23,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:40:23,049 INFO L87 Difference]: Start difference. First operand 2158 states and 3075 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 05:40:25,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:27,343 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 05:40:34,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:40:34,515 INFO L93 Difference]: Finished difference Result 2158 states and 3075 transitions. [2024-11-09 05:40:34,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:40:34,516 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 41 [2024-11-09 05:40:34,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:40:34,534 INFO L225 Difference]: With dead ends: 2158 [2024-11-09 05:40:34,534 INFO L226 Difference]: Without dead ends: 2156 [2024-11-09 05:40:34,537 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 05:40:34,540 INFO L432 NwaCegarLoop]: 2755 mSDtfsCounter, 3051 mSDsluCounter, 2755 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3051 SdHoareTripleChecker+Valid, 5510 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:40:34,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3051 Valid, 5510 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 11.2s Time] [2024-11-09 05:40:34,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2156 states. [2024-11-09 05:40:34,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2156 to 2156. [2024-11-09 05:40:34,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2156 states, 1306 states have (on average 1.2963246554364471) internal successors, (1693), 1386 states have internal predecessors, (1693), 691 states have call successors, (691), 131 states have call predecessors, (691), 130 states have return successors, (689), 672 states have call predecessors, (689), 689 states have call successors, (689) [2024-11-09 05:40:34,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 2156 states and 3073 transitions. [2024-11-09 05:40:34,790 INFO L78 Accepts]: Start accepts. Automaton has 2156 states and 3073 transitions. Word has length 41 [2024-11-09 05:40:34,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:40:34,791 INFO L471 AbstractCegarLoop]: Abstraction has 2156 states and 3073 transitions. [2024-11-09 05:40:34,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 05:40:34,791 INFO L276 IsEmpty]: Start isEmpty. Operand 2156 states and 3073 transitions. [2024-11-09 05:40:34,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 05:40:34,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:40:34,794 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:40:34,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:40:34,794 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:40:34,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:40:34,795 INFO L85 PathProgramCache]: Analyzing trace with hash -2032597171, now seen corresponding path program 1 times [2024-11-09 05:40:34,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:40:34,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219186965] [2024-11-09 05:40:34,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:34,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:40:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:43,858 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:40:43,859 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:40:43,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219186965] [2024-11-09 05:40:43,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219186965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:40:43,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:40:43,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:40:43,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834239096] [2024-11-09 05:40:43,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:40:43,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:40:43,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:40:43,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:40:43,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:40:43,862 INFO L87 Difference]: Start difference. First operand 2156 states and 3073 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 05:40:45,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:48,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:53,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:55,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:40:55,848 INFO L93 Difference]: Finished difference Result 2156 states and 3073 transitions. [2024-11-09 05:40:55,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:40:55,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 48 [2024-11-09 05:40:55,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:40:55,868 INFO L225 Difference]: With dead ends: 2156 [2024-11-09 05:40:55,869 INFO L226 Difference]: Without dead ends: 2154 [2024-11-09 05:40:55,871 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 05:40:55,872 INFO L432 NwaCegarLoop]: 2753 mSDtfsCounter, 3053 mSDsluCounter, 2753 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3053 SdHoareTripleChecker+Valid, 5506 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:40:55,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3053 Valid, 5506 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 11.7s Time] [2024-11-09 05:40:55,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2154 states. [2024-11-09 05:40:56,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2154 to 2154. [2024-11-09 05:40:56,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2154 states, 1305 states have (on average 1.295785440613027) internal successors, (1691), 1384 states have internal predecessors, (1691), 691 states have call successors, (691), 131 states have call predecessors, (691), 130 states have return successors, (689), 672 states have call predecessors, (689), 689 states have call successors, (689) [2024-11-09 05:40:56,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 2154 states and 3071 transitions. [2024-11-09 05:40:56,076 INFO L78 Accepts]: Start accepts. Automaton has 2154 states and 3071 transitions. Word has length 48 [2024-11-09 05:40:56,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:40:56,077 INFO L471 AbstractCegarLoop]: Abstraction has 2154 states and 3071 transitions. [2024-11-09 05:40:56,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 05:40:56,077 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 3071 transitions. [2024-11-09 05:40:56,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 05:40:56,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:40:56,081 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:40:56,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:40:56,082 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:40:56,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:40:56,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1726989940, now seen corresponding path program 1 times [2024-11-09 05:40:56,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:40:56,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44596420] [2024-11-09 05:40:56,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:56,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:41:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:05,348 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:41:05,348 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:41:05,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44596420] [2024-11-09 05:41:05,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44596420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:41:05,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:41:05,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:41:05,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794652899] [2024-11-09 05:41:05,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:41:05,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:41:05,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:41:05,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:41:05,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:41:05,351 INFO L87 Difference]: Start difference. First operand 2154 states and 3071 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-09 05:41:07,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:09,640 WARN L539 Checker$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 05:41:16,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:41:16,331 INFO L93 Difference]: Finished difference Result 2154 states and 3071 transitions. [2024-11-09 05:41:16,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:41:16,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2024-11-09 05:41:16,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:41:16,351 INFO L225 Difference]: With dead ends: 2154 [2024-11-09 05:41:16,352 INFO L226 Difference]: Without dead ends: 2152 [2024-11-09 05:41:16,354 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 05:41:16,355 INFO L432 NwaCegarLoop]: 2751 mSDtfsCounter, 3050 mSDsluCounter, 2751 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3050 SdHoareTripleChecker+Valid, 5502 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:41:16,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3050 Valid, 5502 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 10.8s Time] [2024-11-09 05:41:16,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2152 states. [2024-11-09 05:41:16,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2152 to 2152. [2024-11-09 05:41:16,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2152 states, 1304 states have (on average 1.2952453987730062) internal successors, (1689), 1382 states have internal predecessors, (1689), 691 states have call successors, (691), 131 states have call predecessors, (691), 130 states have return successors, (689), 672 states have call predecessors, (689), 689 states have call successors, (689) [2024-11-09 05:41:16,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 2152 states and 3069 transitions. [2024-11-09 05:41:16,562 INFO L78 Accepts]: Start accepts. Automaton has 2152 states and 3069 transitions. Word has length 53 [2024-11-09 05:41:16,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:41:16,562 INFO L471 AbstractCegarLoop]: Abstraction has 2152 states and 3069 transitions. [2024-11-09 05:41:16,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-09 05:41:16,563 INFO L276 IsEmpty]: Start isEmpty. Operand 2152 states and 3069 transitions. [2024-11-09 05:41:16,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 05:41:16,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:16,565 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:41:16,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 05:41:16,565 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:41:16,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:16,566 INFO L85 PathProgramCache]: Analyzing trace with hash -150181092, now seen corresponding path program 1 times [2024-11-09 05:41:16,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:41:16,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633411713] [2024-11-09 05:41:16,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:16,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:41:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:25,738 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:41:25,739 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:41:25,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633411713] [2024-11-09 05:41:25,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633411713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:41:25,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:41:25,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:41:25,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087800924] [2024-11-09 05:41:25,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:41:25,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:41:25,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:41:25,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:41:25,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:41:25,744 INFO L87 Difference]: Start difference. First operand 2152 states and 3069 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 05:41:27,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:30,020 WARN L539 Checker$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 05:41:37,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:41:37,127 INFO L93 Difference]: Finished difference Result 2152 states and 3069 transitions. [2024-11-09 05:41:37,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:41:37,127 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 58 [2024-11-09 05:41:37,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:41:37,145 INFO L225 Difference]: With dead ends: 2152 [2024-11-09 05:41:37,146 INFO L226 Difference]: Without dead ends: 2150 [2024-11-09 05:41:37,148 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 05:41:37,149 INFO L432 NwaCegarLoop]: 2749 mSDtfsCounter, 3047 mSDsluCounter, 2749 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3047 SdHoareTripleChecker+Valid, 5498 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:41:37,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3047 Valid, 5498 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 11.2s Time] [2024-11-09 05:41:37,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2150 states. [2024-11-09 05:41:37,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2150 to 2150. [2024-11-09 05:41:37,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2150 states, 1303 states have (on average 1.2947045280122793) internal successors, (1687), 1380 states have internal predecessors, (1687), 691 states have call successors, (691), 131 states have call predecessors, (691), 130 states have return successors, (689), 672 states have call predecessors, (689), 689 states have call successors, (689) [2024-11-09 05:41:37,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 2150 states and 3067 transitions. [2024-11-09 05:41:37,388 INFO L78 Accepts]: Start accepts. Automaton has 2150 states and 3067 transitions. Word has length 58 [2024-11-09 05:41:37,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:41:37,389 INFO L471 AbstractCegarLoop]: Abstraction has 2150 states and 3067 transitions. [2024-11-09 05:41:37,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 05:41:37,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 3067 transitions. [2024-11-09 05:41:37,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 05:41:37,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:37,395 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:41:37,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 05:41:37,396 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:41:37,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:37,397 INFO L85 PathProgramCache]: Analyzing trace with hash -2086434979, now seen corresponding path program 1 times [2024-11-09 05:41:37,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:41:37,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673603540] [2024-11-09 05:41:37,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:37,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:41:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:46,606 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:41:46,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:41:46,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673603540] [2024-11-09 05:41:46,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673603540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:41:46,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:41:46,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:41:46,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942178172] [2024-11-09 05:41:46,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:41:46,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:41:46,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:41:46,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:41:46,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:41:46,609 INFO L87 Difference]: Start difference. First operand 2150 states and 3067 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 05:41:48,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:50,884 WARN L539 Checker$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 05:41:57,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:41:57,622 INFO L93 Difference]: Finished difference Result 2150 states and 3067 transitions. [2024-11-09 05:41:57,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:41:57,623 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 63 [2024-11-09 05:41:57,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:41:57,637 INFO L225 Difference]: With dead ends: 2150 [2024-11-09 05:41:57,638 INFO L226 Difference]: Without dead ends: 2148 [2024-11-09 05:41:57,640 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 05:41:57,641 INFO L432 NwaCegarLoop]: 2747 mSDtfsCounter, 3044 mSDsluCounter, 2747 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3044 SdHoareTripleChecker+Valid, 5494 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:41:57,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3044 Valid, 5494 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 10.8s Time] [2024-11-09 05:41:57,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2024-11-09 05:41:57,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 2148. [2024-11-09 05:41:57,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2148 states, 1302 states have (on average 1.2941628264208909) internal successors, (1685), 1378 states have internal predecessors, (1685), 691 states have call successors, (691), 131 states have call predecessors, (691), 130 states have return successors, (689), 672 states have call predecessors, (689), 689 states have call successors, (689) [2024-11-09 05:41:57,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 2148 states and 3065 transitions. [2024-11-09 05:41:57,879 INFO L78 Accepts]: Start accepts. Automaton has 2148 states and 3065 transitions. Word has length 63 [2024-11-09 05:41:57,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:41:57,880 INFO L471 AbstractCegarLoop]: Abstraction has 2148 states and 3065 transitions. [2024-11-09 05:41:57,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 05:41:57,881 INFO L276 IsEmpty]: Start isEmpty. Operand 2148 states and 3065 transitions. [2024-11-09 05:41:57,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 05:41:57,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:57,883 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] [2024-11-09 05:41:57,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 05:41:57,883 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:41:57,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:57,884 INFO L85 PathProgramCache]: Analyzing trace with hash -525055517, now seen corresponding path program 1 times [2024-11-09 05:41:57,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:41:57,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330046755] [2024-11-09 05:41:57,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:57,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:08,231 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 05:42:08,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:08,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330046755] [2024-11-09 05:42:08,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330046755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:08,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:08,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:42:08,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268461247] [2024-11-09 05:42:08,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:08,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:42:08,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:08,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:42:08,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:42:08,236 INFO L87 Difference]: Start difference. First operand 2148 states and 3065 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 05:42:10,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:12,554 WARN L539 Checker$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 05:42:14,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:16,950 WARN L539 Checker$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 05:42:33,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:33,186 INFO L93 Difference]: Finished difference Result 4294 states and 6142 transitions. [2024-11-09 05:42:33,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:42:33,187 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 64 [2024-11-09 05:42:33,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:33,207 INFO L225 Difference]: With dead ends: 4294 [2024-11-09 05:42:33,207 INFO L226 Difference]: Without dead ends: 2152 [2024-11-09 05:42:33,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:42:33,220 INFO L432 NwaCegarLoop]: 2748 mSDtfsCounter, 0 mSDsluCounter, 8239 mSDsCounter, 0 mSdLazyCounter, 1268 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10987 SdHoareTripleChecker+Invalid, 1272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1268 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:33,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10987 Invalid, 1272 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1268 Invalid, 4 Unknown, 0 Unchecked, 24.6s Time] [2024-11-09 05:42:33,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2152 states. [2024-11-09 05:42:33,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2152 to 2152. [2024-11-09 05:42:33,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2152 states, 1305 states have (on average 1.2934865900383141) internal successors, (1688), 1381 states have internal predecessors, (1688), 691 states have call successors, (691), 131 states have call predecessors, (691), 131 states have return successors, (706), 673 states have call predecessors, (706), 689 states have call successors, (706) [2024-11-09 05:42:33,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 2152 states and 3085 transitions. [2024-11-09 05:42:33,454 INFO L78 Accepts]: Start accepts. Automaton has 2152 states and 3085 transitions. Word has length 64 [2024-11-09 05:42:33,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:33,454 INFO L471 AbstractCegarLoop]: Abstraction has 2152 states and 3085 transitions. [2024-11-09 05:42:33,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 05:42:33,455 INFO L276 IsEmpty]: Start isEmpty. Operand 2152 states and 3085 transitions. [2024-11-09 05:42:33,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 05:42:33,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:33,457 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:33,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 05:42:33,458 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:42:33,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:33,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1235248985, now seen corresponding path program 1 times [2024-11-09 05:42:33,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:33,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060992707] [2024-11-09 05:42:33,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:33,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:41,502 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:42:41,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:41,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060992707] [2024-11-09 05:42:41,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060992707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:41,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:41,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:42:41,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61285469] [2024-11-09 05:42:41,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:41,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:42:41,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:41,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:42:41,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:42:41,507 INFO L87 Difference]: Start difference. First operand 2152 states and 3085 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 05:42:43,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:45,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:54,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:54,018 INFO L93 Difference]: Finished difference Result 2152 states and 3085 transitions. [2024-11-09 05:42:54,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:42:54,019 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 68 [2024-11-09 05:42:54,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:54,038 INFO L225 Difference]: With dead ends: 2152 [2024-11-09 05:42:54,038 INFO L226 Difference]: Without dead ends: 2150 [2024-11-09 05:42:54,040 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 05:42:54,042 INFO L432 NwaCegarLoop]: 2745 mSDtfsCounter, 3041 mSDsluCounter, 2745 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3041 SdHoareTripleChecker+Valid, 5490 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:54,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3041 Valid, 5490 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 12.2s Time] [2024-11-09 05:42:54,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2150 states. [2024-11-09 05:42:54,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2150 to 2150. [2024-11-09 05:42:54,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2150 states, 1304 states have (on average 1.2929447852760736) internal successors, (1686), 1379 states have internal predecessors, (1686), 691 states have call successors, (691), 131 states have call predecessors, (691), 131 states have return successors, (706), 673 states have call predecessors, (706), 689 states have call successors, (706) [2024-11-09 05:42:54,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 2150 states and 3083 transitions. [2024-11-09 05:42:54,311 INFO L78 Accepts]: Start accepts. Automaton has 2150 states and 3083 transitions. Word has length 68 [2024-11-09 05:42:54,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:54,312 INFO L471 AbstractCegarLoop]: Abstraction has 2150 states and 3083 transitions. [2024-11-09 05:42:54,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 05:42:54,313 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 3083 transitions. [2024-11-09 05:42:54,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 05:42:54,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:54,315 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:54,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 05:42:54,316 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:42:54,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:54,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1266368848, now seen corresponding path program 1 times [2024-11-09 05:42:54,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:54,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224000279] [2024-11-09 05:42:54,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:54,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:03,353 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:43:03,354 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:03,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224000279] [2024-11-09 05:43:03,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224000279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:03,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:03,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:43:03,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817244910] [2024-11-09 05:43:03,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:03,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:43:03,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:03,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:43:03,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:43:03,358 INFO L87 Difference]: Start difference. First operand 2150 states and 3083 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 05:43:05,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:07,647 WARN L539 Checker$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 05:43:15,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:15,734 INFO L93 Difference]: Finished difference Result 2150 states and 3083 transitions. [2024-11-09 05:43:15,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:43:15,735 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 73 [2024-11-09 05:43:15,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:15,755 INFO L225 Difference]: With dead ends: 2150 [2024-11-09 05:43:15,755 INFO L226 Difference]: Without dead ends: 2148 [2024-11-09 05:43:15,758 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 05:43:15,759 INFO L432 NwaCegarLoop]: 2743 mSDtfsCounter, 3038 mSDsluCounter, 2743 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3038 SdHoareTripleChecker+Valid, 5486 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:15,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3038 Valid, 5486 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 12.1s Time] [2024-11-09 05:43:15,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2024-11-09 05:43:16,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 2148. [2024-11-09 05:43:16,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2148 states, 1303 states have (on average 1.2924021488871835) internal successors, (1684), 1377 states have internal predecessors, (1684), 691 states have call successors, (691), 131 states have call predecessors, (691), 131 states have return successors, (706), 673 states have call predecessors, (706), 689 states have call successors, (706) [2024-11-09 05:43:16,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 2148 states and 3081 transitions. [2024-11-09 05:43:16,038 INFO L78 Accepts]: Start accepts. Automaton has 2148 states and 3081 transitions. Word has length 73 [2024-11-09 05:43:16,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:16,039 INFO L471 AbstractCegarLoop]: Abstraction has 2148 states and 3081 transitions. [2024-11-09 05:43:16,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 05:43:16,040 INFO L276 IsEmpty]: Start isEmpty. Operand 2148 states and 3081 transitions. [2024-11-09 05:43:16,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 05:43:16,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:16,043 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 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] [2024-11-09 05:43:16,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 05:43:16,043 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:43:16,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:16,044 INFO L85 PathProgramCache]: Analyzing trace with hash 370188445, now seen corresponding path program 1 times [2024-11-09 05:43:16,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:16,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545266519] [2024-11-09 05:43:16,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:16,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:27,559 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-09 05:43:27,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:27,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545266519] [2024-11-09 05:43:27,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545266519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:27,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:27,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 05:43:27,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077397342] [2024-11-09 05:43:27,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:27,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:43:27,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:27,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:43:27,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:43:27,562 INFO L87 Difference]: Start difference. First operand 2148 states and 3081 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 05:43:29,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:31,905 WARN L539 Checker$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 05:43:34,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:36,222 WARN L539 Checker$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 05:43:41,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:05,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:05,140 INFO L93 Difference]: Finished difference Result 2148 states and 3081 transitions. [2024-11-09 05:44:05,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:44:05,141 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 77 [2024-11-09 05:44:05,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:05,159 INFO L225 Difference]: With dead ends: 2148 [2024-11-09 05:44:05,159 INFO L226 Difference]: Without dead ends: 2146 [2024-11-09 05:44:05,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 05:44:05,163 INFO L432 NwaCegarLoop]: 2742 mSDtfsCounter, 3032 mSDsluCounter, 6844 mSDsCounter, 0 mSdLazyCounter, 2643 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3034 SdHoareTripleChecker+Valid, 9586 SdHoareTripleChecker+Invalid, 2647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2643 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:05,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3034 Valid, 9586 Invalid, 2647 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2643 Invalid, 4 Unknown, 0 Unchecked, 36.9s Time] [2024-11-09 05:44:05,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2146 states. [2024-11-09 05:44:05,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2146 to 2146. [2024-11-09 05:44:05,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2146 states, 1302 states have (on average 1.2918586789554531) internal successors, (1682), 1375 states have internal predecessors, (1682), 691 states have call successors, (691), 131 states have call predecessors, (691), 131 states have return successors, (706), 673 states have call predecessors, (706), 689 states have call successors, (706) [2024-11-09 05:44:05,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 3079 transitions. [2024-11-09 05:44:05,463 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 3079 transitions. Word has length 77 [2024-11-09 05:44:05,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:05,464 INFO L471 AbstractCegarLoop]: Abstraction has 2146 states and 3079 transitions. [2024-11-09 05:44:05,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 05:44:05,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 3079 transitions. [2024-11-09 05:44:05,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 05:44:05,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:05,467 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:05,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 05:44:05,468 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:44:05,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:05,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1795784128, now seen corresponding path program 1 times [2024-11-09 05:44:05,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:05,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708509685] [2024-11-09 05:44:05,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:05,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:14,859 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:44:14,860 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:14,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708509685] [2024-11-09 05:44:14,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708509685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:14,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:14,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:44:14,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972040993] [2024-11-09 05:44:14,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:14,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:44:14,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:14,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:44:14,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:44:14,863 INFO L87 Difference]: Start difference. First operand 2146 states and 3079 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 05:44:16,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:19,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:21,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:27,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:27,843 INFO L93 Difference]: Finished difference Result 2146 states and 3079 transitions. [2024-11-09 05:44:27,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:44:27,844 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 78 [2024-11-09 05:44:27,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:27,863 INFO L225 Difference]: With dead ends: 2146 [2024-11-09 05:44:27,864 INFO L226 Difference]: Without dead ends: 2144 [2024-11-09 05:44:27,866 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 05:44:27,867 INFO L432 NwaCegarLoop]: 2739 mSDtfsCounter, 3033 mSDsluCounter, 2739 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3033 SdHoareTripleChecker+Valid, 5478 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:27,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3033 Valid, 5478 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 12.6s Time] [2024-11-09 05:44:27,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2144 states. [2024-11-09 05:44:28,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2144 to 2144. [2024-11-09 05:44:28,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2144 states, 1301 states have (on average 1.2913143735588009) internal successors, (1680), 1373 states have internal predecessors, (1680), 691 states have call successors, (691), 131 states have call predecessors, (691), 131 states have return successors, (706), 673 states have call predecessors, (706), 689 states have call successors, (706) [2024-11-09 05:44:28,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2144 states to 2144 states and 3077 transitions. [2024-11-09 05:44:28,222 INFO L78 Accepts]: Start accepts. Automaton has 2144 states and 3077 transitions. Word has length 78 [2024-11-09 05:44:28,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:28,222 INFO L471 AbstractCegarLoop]: Abstraction has 2144 states and 3077 transitions. [2024-11-09 05:44:28,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 05:44:28,223 INFO L276 IsEmpty]: Start isEmpty. Operand 2144 states and 3077 transitions. [2024-11-09 05:44:28,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 05:44:28,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:28,226 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 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] [2024-11-09 05:44:28,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 05:44:28,226 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:44:28,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:28,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1006910931, now seen corresponding path program 1 times [2024-11-09 05:44:28,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:28,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465187563] [2024-11-09 05:44:28,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:28,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:37,176 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-09 05:44:37,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:37,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465187563] [2024-11-09 05:44:37,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465187563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:37,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:37,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:44:37,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120828392] [2024-11-09 05:44:37,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:37,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:44:37,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:37,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:44:37,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:44:37,179 INFO L87 Difference]: Start difference. First operand 2144 states and 3077 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 05:44:39,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:44:43,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:43,689 INFO L93 Difference]: Finished difference Result 4265 states and 6211 transitions. [2024-11-09 05:44:43,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:44:43,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 80 [2024-11-09 05:44:43,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:43,706 INFO L225 Difference]: With dead ends: 4265 [2024-11-09 05:44:43,706 INFO L226 Difference]: Without dead ends: 2140 [2024-11-09 05:44:43,720 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 05:44:43,721 INFO L432 NwaCegarLoop]: 2734 mSDtfsCounter, 3023 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3023 SdHoareTripleChecker+Valid, 2734 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:43,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3023 Valid, 2734 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 317 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2024-11-09 05:44:43,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2024-11-09 05:44:44,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2140. [2024-11-09 05:44:44,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2140 states, 1298 states have (on average 1.2904468412942989) internal successors, (1675), 1369 states have internal predecessors, (1675), 691 states have call successors, (691), 131 states have call predecessors, (691), 131 states have return successors, (706), 673 states have call predecessors, (706), 689 states have call successors, (706) [2024-11-09 05:44:44,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 3072 transitions. [2024-11-09 05:44:44,061 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 3072 transitions. Word has length 80 [2024-11-09 05:44:44,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:44,062 INFO L471 AbstractCegarLoop]: Abstraction has 2140 states and 3072 transitions. [2024-11-09 05:44:44,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 05:44:44,062 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 3072 transitions. [2024-11-09 05:44:44,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 05:44:44,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:44,064 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:44,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 05:44:44,066 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:44:44,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:44,067 INFO L85 PathProgramCache]: Analyzing trace with hash -601752541, now seen corresponding path program 1 times [2024-11-09 05:44:44,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:44,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859566123] [2024-11-09 05:44:44,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:44,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:53,195 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:44:53,197 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:53,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859566123] [2024-11-09 05:44:53,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859566123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:53,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:53,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:44:53,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619109616] [2024-11-09 05:44:53,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:53,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:44:53,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:53,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:44:53,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:44:53,201 INFO L87 Difference]: Start difference. First operand 2140 states and 3072 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 05:44:55,365 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 05:44:57,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:07,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:07,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:07,535 INFO L93 Difference]: Finished difference Result 2140 states and 3072 transitions. [2024-11-09 05:45:07,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:45:07,536 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 83 [2024-11-09 05:45:07,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:07,560 INFO L225 Difference]: With dead ends: 2140 [2024-11-09 05:45:07,562 INFO L226 Difference]: Without dead ends: 2138 [2024-11-09 05:45:07,564 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 05:45:07,565 INFO L432 NwaCegarLoop]: 2732 mSDtfsCounter, 3025 mSDsluCounter, 2731 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3025 SdHoareTripleChecker+Valid, 5463 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:07,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3025 Valid, 5463 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 634 Invalid, 2 Unknown, 0 Unchecked, 14.0s Time] [2024-11-09 05:45:07,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2138 states. [2024-11-09 05:45:07,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2138 to 2138. [2024-11-09 05:45:07,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2138 states, 1297 states have (on average 1.289899768696993) internal successors, (1673), 1367 states have internal predecessors, (1673), 691 states have call successors, (691), 131 states have call predecessors, (691), 131 states have return successors, (706), 673 states have call predecessors, (706), 689 states have call successors, (706) [2024-11-09 05:45:07,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2138 states to 2138 states and 3070 transitions. [2024-11-09 05:45:07,847 INFO L78 Accepts]: Start accepts. Automaton has 2138 states and 3070 transitions. Word has length 83 [2024-11-09 05:45:07,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:07,848 INFO L471 AbstractCegarLoop]: Abstraction has 2138 states and 3070 transitions. [2024-11-09 05:45:07,848 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, (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 05:45:07,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states and 3070 transitions. [2024-11-09 05:45:07,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 05:45:07,850 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:07,850 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:07,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 05:45:07,851 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:45:07,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:07,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1536554118, now seen corresponding path program 1 times [2024-11-09 05:45:07,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:07,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059062284] [2024-11-09 05:45:07,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:07,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:16,979 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:45:16,980 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:16,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059062284] [2024-11-09 05:45:16,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059062284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:16,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:16,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:45:16,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318448937] [2024-11-09 05:45:16,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:16,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:45:16,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:16,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:45:16,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:45:16,983 INFO L87 Difference]: Start difference. First operand 2138 states and 3070 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 05:45:19,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:21,296 WARN L539 Checker$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 05:45:30,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:30,380 INFO L93 Difference]: Finished difference Result 2138 states and 3070 transitions. [2024-11-09 05:45:30,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:45:30,381 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 85 [2024-11-09 05:45:30,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:30,395 INFO L225 Difference]: With dead ends: 2138 [2024-11-09 05:45:30,395 INFO L226 Difference]: Without dead ends: 2136 [2024-11-09 05:45:30,397 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 05:45:30,398 INFO L432 NwaCegarLoop]: 2730 mSDtfsCounter, 3021 mSDsluCounter, 2730 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3021 SdHoareTripleChecker+Valid, 5460 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:30,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3021 Valid, 5460 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 13.0s Time] [2024-11-09 05:45:30,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2136 states. [2024-11-09 05:45:30,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2136 to 2136. [2024-11-09 05:45:30,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2136 states, 1296 states have (on average 1.2893518518518519) internal successors, (1671), 1365 states have internal predecessors, (1671), 691 states have call successors, (691), 131 states have call predecessors, (691), 131 states have return successors, (706), 673 states have call predecessors, (706), 689 states have call successors, (706) [2024-11-09 05:45:30,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2136 states to 2136 states and 3068 transitions. [2024-11-09 05:45:30,702 INFO L78 Accepts]: Start accepts. Automaton has 2136 states and 3068 transitions. Word has length 85 [2024-11-09 05:45:30,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:30,703 INFO L471 AbstractCegarLoop]: Abstraction has 2136 states and 3068 transitions. [2024-11-09 05:45:30,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 05:45:30,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2136 states and 3068 transitions. [2024-11-09 05:45:30,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-09 05:45:30,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:30,707 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:30,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 05:45:30,708 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:45:30,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:30,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1133865919, now seen corresponding path program 1 times [2024-11-09 05:45:30,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:30,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052743924] [2024-11-09 05:45:30,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:30,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:38,957 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:45:38,957 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:38,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052743924] [2024-11-09 05:45:38,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052743924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:38,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:38,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:45:38,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833329845] [2024-11-09 05:45:38,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:38,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:45:38,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:38,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:45:38,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:45:38,960 INFO L87 Difference]: Start difference. First operand 2136 states and 3068 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 05:45:41,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:43,253 WARN L539 Checker$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 05:45:45,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:53,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:54,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:54,067 INFO L93 Difference]: Finished difference Result 2136 states and 3068 transitions. [2024-11-09 05:45:54,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:45:54,068 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 90 [2024-11-09 05:45:54,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:54,092 INFO L225 Difference]: With dead ends: 2136 [2024-11-09 05:45:54,097 INFO L226 Difference]: Without dead ends: 2134 [2024-11-09 05:45:54,099 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 05:45:54,100 INFO L432 NwaCegarLoop]: 2728 mSDtfsCounter, 3020 mSDsluCounter, 2728 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3020 SdHoareTripleChecker+Valid, 5456 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:54,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3020 Valid, 5456 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 14.7s Time] [2024-11-09 05:45:54,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2024-11-09 05:45:54,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2134. [2024-11-09 05:45:54,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2134 states, 1295 states have (on average 1.2888030888030888) internal successors, (1669), 1363 states have internal predecessors, (1669), 691 states have call successors, (691), 131 states have call predecessors, (691), 131 states have return successors, (706), 673 states have call predecessors, (706), 689 states have call successors, (706) [2024-11-09 05:45:54,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2134 states to 2134 states and 3066 transitions. [2024-11-09 05:45:54,509 INFO L78 Accepts]: Start accepts. Automaton has 2134 states and 3066 transitions. Word has length 90 [2024-11-09 05:45:54,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:54,510 INFO L471 AbstractCegarLoop]: Abstraction has 2134 states and 3066 transitions. [2024-11-09 05:45:54,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 05:45:54,511 INFO L276 IsEmpty]: Start isEmpty. Operand 2134 states and 3066 transitions. [2024-11-09 05:45:54,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 05:45:54,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:54,513 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:54,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 05:45:54,514 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:45:54,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:54,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1355151941, now seen corresponding path program 1 times [2024-11-09 05:45:54,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:54,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510612040] [2024-11-09 05:45:54,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:54,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:03,051 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:46:03,052 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:03,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510612040] [2024-11-09 05:46:03,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510612040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:03,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:03,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:46:03,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43432303] [2024-11-09 05:46:03,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:03,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:46:03,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:03,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:46:03,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:46:03,055 INFO L87 Difference]: Start difference. First operand 2134 states and 3066 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 05:46:05,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:07,380 WARN L539 Checker$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 05:46:15,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:15,899 INFO L93 Difference]: Finished difference Result 2134 states and 3066 transitions. [2024-11-09 05:46:15,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:46:15,900 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 95 [2024-11-09 05:46:15,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:15,913 INFO L225 Difference]: With dead ends: 2134 [2024-11-09 05:46:15,913 INFO L226 Difference]: Without dead ends: 2132 [2024-11-09 05:46:15,915 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 05:46:15,916 INFO L432 NwaCegarLoop]: 2725 mSDtfsCounter, 3017 mSDsluCounter, 2725 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3017 SdHoareTripleChecker+Valid, 5450 SdHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:15,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3017 Valid, 5450 Invalid, 637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 635 Invalid, 2 Unknown, 0 Unchecked, 12.4s Time] [2024-11-09 05:46:15,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2132 states. [2024-11-09 05:46:16,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2132 to 2132. [2024-11-09 05:46:16,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 1294 states have (on average 1.2882534775888717) internal successors, (1667), 1361 states have internal predecessors, (1667), 691 states have call successors, (691), 131 states have call predecessors, (691), 131 states have return successors, (706), 673 states have call predecessors, (706), 689 states have call successors, (706) [2024-11-09 05:46:16,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 3064 transitions. [2024-11-09 05:46:16,209 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 3064 transitions. Word has length 95 [2024-11-09 05:46:16,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:16,210 INFO L471 AbstractCegarLoop]: Abstraction has 2132 states and 3064 transitions. [2024-11-09 05:46:16,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 05:46:16,211 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 3064 transitions. [2024-11-09 05:46:16,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-09 05:46:16,214 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:16,214 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:16,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 05:46:16,214 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:46:16,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:16,215 INFO L85 PathProgramCache]: Analyzing trace with hash -439068845, now seen corresponding path program 1 times [2024-11-09 05:46:16,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:16,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697700117] [2024-11-09 05:46:16,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:16,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:24,391 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:46:24,391 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:24,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697700117] [2024-11-09 05:46:24,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697700117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:24,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:24,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:46:24,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260426026] [2024-11-09 05:46:24,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:24,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:46:24,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:24,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:46:24,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:46:24,393 INFO L87 Difference]: Start difference. First operand 2132 states and 3064 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 05:46:26,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:28,708 WARN L539 Checker$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 05:46:36,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:36,768 INFO L93 Difference]: Finished difference Result 2132 states and 3064 transitions. [2024-11-09 05:46:36,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:46:36,768 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 100 [2024-11-09 05:46:36,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:36,777 INFO L225 Difference]: With dead ends: 2132 [2024-11-09 05:46:36,777 INFO L226 Difference]: Without dead ends: 2130 [2024-11-09 05:46:36,779 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 05:46:36,780 INFO L432 NwaCegarLoop]: 2724 mSDtfsCounter, 3014 mSDsluCounter, 2724 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3014 SdHoareTripleChecker+Valid, 5448 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:36,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3014 Valid, 5448 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 12.0s Time] [2024-11-09 05:46:36,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2130 states. [2024-11-09 05:46:37,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2130 to 2130. [2024-11-09 05:46:37,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2130 states, 1293 states have (on average 1.2877030162412992) internal successors, (1665), 1359 states have internal predecessors, (1665), 691 states have call successors, (691), 131 states have call predecessors, (691), 131 states have return successors, (706), 673 states have call predecessors, (706), 689 states have call successors, (706) [2024-11-09 05:46:37,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 2130 states and 3062 transitions. [2024-11-09 05:46:37,200 INFO L78 Accepts]: Start accepts. Automaton has 2130 states and 3062 transitions. Word has length 100 [2024-11-09 05:46:37,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:37,200 INFO L471 AbstractCegarLoop]: Abstraction has 2130 states and 3062 transitions. [2024-11-09 05:46:37,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 05:46:37,201 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 3062 transitions. [2024-11-09 05:46:37,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 05:46:37,204 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:37,204 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:37,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 05:46:37,205 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:46:37,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:37,205 INFO L85 PathProgramCache]: Analyzing trace with hash 563248672, now seen corresponding path program 1 times [2024-11-09 05:46:37,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:37,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348324803] [2024-11-09 05:46:37,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:37,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:45,823 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:46:45,824 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:45,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348324803] [2024-11-09 05:46:45,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348324803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:45,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:45,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:46:45,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877818281] [2024-11-09 05:46:45,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:45,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:46:45,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:45,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:46:45,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:46:45,826 INFO L87 Difference]: Start difference. First operand 2130 states and 3062 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 05:46:47,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:50,079 WARN L539 Checker$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 05:46:53,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:59,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:59,028 INFO L93 Difference]: Finished difference Result 2130 states and 3062 transitions. [2024-11-09 05:46:59,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:46:59,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 105 [2024-11-09 05:46:59,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:59,047 INFO L225 Difference]: With dead ends: 2130 [2024-11-09 05:46:59,047 INFO L226 Difference]: Without dead ends: 2128 [2024-11-09 05:46:59,050 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 05:46:59,051 INFO L432 NwaCegarLoop]: 2722 mSDtfsCounter, 3011 mSDsluCounter, 2722 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3011 SdHoareTripleChecker+Valid, 5444 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:59,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3011 Valid, 5444 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 12.8s Time] [2024-11-09 05:46:59,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2128 states. [2024-11-09 05:46:59,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2128 to 2128. [2024-11-09 05:46:59,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2128 states, 1292 states have (on average 1.2871517027863777) internal successors, (1663), 1357 states have internal predecessors, (1663), 691 states have call successors, (691), 131 states have call predecessors, (691), 131 states have return successors, (706), 673 states have call predecessors, (706), 689 states have call successors, (706) [2024-11-09 05:46:59,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 2128 states and 3060 transitions. [2024-11-09 05:46:59,418 INFO L78 Accepts]: Start accepts. Automaton has 2128 states and 3060 transitions. Word has length 105 [2024-11-09 05:46:59,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:59,420 INFO L471 AbstractCegarLoop]: Abstraction has 2128 states and 3060 transitions. [2024-11-09 05:46:59,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 05:46:59,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 3060 transitions. [2024-11-09 05:46:59,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-09 05:46:59,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:59,426 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:59,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 05:46:59,427 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:46:59,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:59,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1354323578, now seen corresponding path program 1 times [2024-11-09 05:46:59,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:59,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364078117] [2024-11-09 05:46:59,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:59,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:08,555 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:47:08,555 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:08,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364078117] [2024-11-09 05:47:08,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364078117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:08,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:08,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:47:08,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046378404] [2024-11-09 05:47:08,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:08,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:47:08,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:08,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:47:08,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:47:08,557 INFO L87 Difference]: Start difference. First operand 2128 states and 3060 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 05:47:10,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:12,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:15,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:23,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:23,120 INFO L93 Difference]: Finished difference Result 2128 states and 3060 transitions. [2024-11-09 05:47:23,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:47:23,121 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 110 [2024-11-09 05:47:23,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:23,134 INFO L225 Difference]: With dead ends: 2128 [2024-11-09 05:47:23,135 INFO L226 Difference]: Without dead ends: 2126 [2024-11-09 05:47:23,137 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 05:47:23,139 INFO L432 NwaCegarLoop]: 2720 mSDtfsCounter, 3008 mSDsluCounter, 2720 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3008 SdHoareTripleChecker+Valid, 5440 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:23,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3008 Valid, 5440 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 14.2s Time] [2024-11-09 05:47:23,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2126 states. [2024-11-09 05:47:23,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2126 to 2126. [2024-11-09 05:47:23,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2126 states, 1291 states have (on average 1.286599535243997) internal successors, (1661), 1355 states have internal predecessors, (1661), 691 states have call successors, (691), 131 states have call predecessors, (691), 131 states have return successors, (706), 673 states have call predecessors, (706), 689 states have call successors, (706) [2024-11-09 05:47:23,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2126 states to 2126 states and 3058 transitions. [2024-11-09 05:47:23,503 INFO L78 Accepts]: Start accepts. Automaton has 2126 states and 3058 transitions. Word has length 110 [2024-11-09 05:47:23,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:23,504 INFO L471 AbstractCegarLoop]: Abstraction has 2126 states and 3058 transitions. [2024-11-09 05:47:23,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 05:47:23,504 INFO L276 IsEmpty]: Start isEmpty. Operand 2126 states and 3058 transitions. [2024-11-09 05:47:23,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 05:47:23,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:23,508 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:23,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 05:47:23,508 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:47:23,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:23,508 INFO L85 PathProgramCache]: Analyzing trace with hash 466399373, now seen corresponding path program 1 times [2024-11-09 05:47:23,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:23,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316359289] [2024-11-09 05:47:23,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:23,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:32,252 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:47:32,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:32,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316359289] [2024-11-09 05:47:32,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316359289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:32,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:32,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:47:32,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778163552] [2024-11-09 05:47:32,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:32,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:47:32,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:32,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:47:32,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:47:32,257 INFO L87 Difference]: Start difference. First operand 2126 states and 3058 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 05:47:34,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:36,540 WARN L539 Checker$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 05:47:44,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:44,477 INFO L93 Difference]: Finished difference Result 2126 states and 3058 transitions. [2024-11-09 05:47:44,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:47:44,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 115 [2024-11-09 05:47:44,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:44,494 INFO L225 Difference]: With dead ends: 2126 [2024-11-09 05:47:44,494 INFO L226 Difference]: Without dead ends: 2124 [2024-11-09 05:47:44,496 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 05:47:44,497 INFO L432 NwaCegarLoop]: 2718 mSDtfsCounter, 3005 mSDsluCounter, 2718 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3005 SdHoareTripleChecker+Valid, 5436 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:44,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3005 Valid, 5436 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 11.8s Time] [2024-11-09 05:47:44,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2124 states. [2024-11-09 05:47:44,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2124 to 2124. [2024-11-09 05:47:44,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2124 states, 1290 states have (on average 1.286046511627907) internal successors, (1659), 1353 states have internal predecessors, (1659), 691 states have call successors, (691), 131 states have call predecessors, (691), 131 states have return successors, (706), 673 states have call predecessors, (706), 689 states have call successors, (706) [2024-11-09 05:47:44,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2124 states to 2124 states and 3056 transitions. [2024-11-09 05:47:44,886 INFO L78 Accepts]: Start accepts. Automaton has 2124 states and 3056 transitions. Word has length 115 [2024-11-09 05:47:44,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:44,887 INFO L471 AbstractCegarLoop]: Abstraction has 2124 states and 3056 transitions. [2024-11-09 05:47:44,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 05:47:44,887 INFO L276 IsEmpty]: Start isEmpty. Operand 2124 states and 3056 transitions. [2024-11-09 05:47:44,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-09 05:47:44,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:44,891 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:44,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 05:47:44,892 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:47:44,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:44,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1704770041, now seen corresponding path program 1 times [2024-11-09 05:47:44,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:44,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745727250] [2024-11-09 05:47:44,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:44,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:54,370 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-09 05:47:54,370 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:54,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745727250] [2024-11-09 05:47:54,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745727250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:54,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:54,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:47:54,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048563380] [2024-11-09 05:47:54,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:54,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:47:54,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:54,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:47:54,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:47:54,372 INFO L87 Difference]: Start difference. First operand 2124 states and 3056 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 05:47:56,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:58,690 WARN L539 Checker$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 05:48:00,884 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 05:48:12,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:12,100 INFO L93 Difference]: Finished difference Result 2127 states and 3058 transitions. [2024-11-09 05:48:12,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:48:12,101 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 140 [2024-11-09 05:48:12,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:12,116 INFO L225 Difference]: With dead ends: 2127 [2024-11-09 05:48:12,116 INFO L226 Difference]: Without dead ends: 2125 [2024-11-09 05:48:12,118 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 05:48:12,119 INFO L432 NwaCegarLoop]: 2714 mSDtfsCounter, 2934 mSDsluCounter, 5468 mSDsCounter, 0 mSdLazyCounter, 965 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2935 SdHoareTripleChecker+Valid, 8182 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 965 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:12,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2935 Valid, 8182 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 965 Invalid, 3 Unknown, 0 Unchecked, 17.2s Time] [2024-11-09 05:48:12,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2125 states. [2024-11-09 05:48:12,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2125 to 2125. [2024-11-09 05:48:12,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2125 states, 1291 states have (on average 1.2850503485670024) internal successors, (1659), 1353 states have internal predecessors, (1659), 691 states have call successors, (691), 132 states have call predecessors, (691), 132 states have return successors, (706), 673 states have call predecessors, (706), 689 states have call successors, (706) [2024-11-09 05:48:12,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 3056 transitions. [2024-11-09 05:48:12,487 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 3056 transitions. Word has length 140 [2024-11-09 05:48:12,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:12,488 INFO L471 AbstractCegarLoop]: Abstraction has 2125 states and 3056 transitions. [2024-11-09 05:48:12,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 05:48:12,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 3056 transitions. [2024-11-09 05:48:12,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-09 05:48:12,492 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:12,492 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:12,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 05:48:12,493 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:48:12,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:12,494 INFO L85 PathProgramCache]: Analyzing trace with hash 2143344707, now seen corresponding path program 1 times [2024-11-09 05:48:12,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:12,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7293820] [2024-11-09 05:48:12,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:12,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:22,571 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:48:22,571 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:22,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7293820] [2024-11-09 05:48:22,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7293820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:22,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:22,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:48:22,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140225355] [2024-11-09 05:48:22,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:22,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:48:22,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:22,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:48:22,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:48:22,575 INFO L87 Difference]: Start difference. First operand 2125 states and 3056 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 05:48:24,722 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 05:48:26,894 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 05:48:37,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:37,093 INFO L93 Difference]: Finished difference Result 2125 states and 3056 transitions. [2024-11-09 05:48:37,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:48:37,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 120 [2024-11-09 05:48:37,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:37,107 INFO L225 Difference]: With dead ends: 2125 [2024-11-09 05:48:37,108 INFO L226 Difference]: Without dead ends: 2123 [2024-11-09 05:48:37,110 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 05:48:37,111 INFO L432 NwaCegarLoop]: 2714 mSDtfsCounter, 3000 mSDsluCounter, 2714 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3000 SdHoareTripleChecker+Valid, 5428 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:37,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3000 Valid, 5428 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 14.1s Time] [2024-11-09 05:48:37,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2024-11-09 05:48:37,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 2123. [2024-11-09 05:48:37,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2123 states, 1290 states have (on average 1.2844961240310078) internal successors, (1657), 1351 states have internal predecessors, (1657), 691 states have call successors, (691), 132 states have call predecessors, (691), 132 states have return successors, (706), 673 states have call predecessors, (706), 689 states have call successors, (706) [2024-11-09 05:48:37,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 3054 transitions. [2024-11-09 05:48:37,530 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 3054 transitions. Word has length 120 [2024-11-09 05:48:37,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:37,530 INFO L471 AbstractCegarLoop]: Abstraction has 2123 states and 3054 transitions. [2024-11-09 05:48:37,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 05:48:37,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 3054 transitions. [2024-11-09 05:48:37,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-09 05:48:37,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:37,536 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:37,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 05:48:37,536 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:48:37,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:37,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1492385620, now seen corresponding path program 1 times [2024-11-09 05:48:37,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:37,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967974310] [2024-11-09 05:48:37,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:37,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:46,527 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:48:46,527 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:46,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967974310] [2024-11-09 05:48:46,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967974310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:46,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:46,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:48:46,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364574759] [2024-11-09 05:48:46,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:46,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:48:46,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:46,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:48:46,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:48:46,530 INFO L87 Difference]: Start difference. First operand 2123 states and 3054 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-09 05:48:48,626 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 05:48:50,826 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 05:48:59,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:59,687 INFO L93 Difference]: Finished difference Result 2123 states and 3054 transitions. [2024-11-09 05:48:59,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:48:59,688 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 125 [2024-11-09 05:48:59,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:59,703 INFO L225 Difference]: With dead ends: 2123 [2024-11-09 05:48:59,703 INFO L226 Difference]: Without dead ends: 2121 [2024-11-09 05:48:59,706 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 05:48:59,706 INFO L432 NwaCegarLoop]: 2712 mSDtfsCounter, 2997 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2997 SdHoareTripleChecker+Valid, 5424 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:59,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2997 Valid, 5424 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 12.7s Time] [2024-11-09 05:48:59,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2121 states. [2024-11-09 05:49:00,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2121 to 2121. [2024-11-09 05:49:00,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2121 states, 1289 states have (on average 1.2839410395655546) internal successors, (1655), 1349 states have internal predecessors, (1655), 691 states have call successors, (691), 132 states have call predecessors, (691), 132 states have return successors, (706), 673 states have call predecessors, (706), 689 states have call successors, (706) [2024-11-09 05:49:00,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 2121 states and 3052 transitions. [2024-11-09 05:49:00,159 INFO L78 Accepts]: Start accepts. Automaton has 2121 states and 3052 transitions. Word has length 125 [2024-11-09 05:49:00,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:00,160 INFO L471 AbstractCegarLoop]: Abstraction has 2121 states and 3052 transitions. [2024-11-09 05:49:00,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-09 05:49:00,161 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 3052 transitions. [2024-11-09 05:49:00,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-09 05:49:00,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:00,166 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 5, 3, 3, 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] [2024-11-09 05:49:00,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-09 05:49:00,166 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:49:00,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:00,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1300386239, now seen corresponding path program 1 times [2024-11-09 05:49:00,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:00,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027560961] [2024-11-09 05:49:00,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:00,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:11,737 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2024-11-09 05:49:11,737 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:11,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027560961] [2024-11-09 05:49:11,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027560961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:11,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:11,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:49:11,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91791313] [2024-11-09 05:49:11,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:11,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:49:11,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:11,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:49:11,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:49:11,742 INFO L87 Difference]: Start difference. First operand 2121 states and 3052 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-09 05:49:13,892 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 05:49:16,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:18,243 WARN L539 Checker$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 05:49:21,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:23,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:35,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:35,478 INFO L93 Difference]: Finished difference Result 2180 states and 3107 transitions. [2024-11-09 05:49:35,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:49:35,478 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 153 [2024-11-09 05:49:35,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:35,498 INFO L225 Difference]: With dead ends: 2180 [2024-11-09 05:49:35,498 INFO L226 Difference]: Without dead ends: 2178 [2024-11-09 05:49:35,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 05:49:35,507 INFO L432 NwaCegarLoop]: 2740 mSDtfsCounter, 2893 mSDsluCounter, 5591 mSDsCounter, 0 mSdLazyCounter, 985 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2894 SdHoareTripleChecker+Valid, 8331 SdHoareTripleChecker+Invalid, 989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 985 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:35,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2894 Valid, 8331 Invalid, 989 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 985 Invalid, 3 Unknown, 0 Unchecked, 23.1s Time] [2024-11-09 05:49:35,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2178 states. [2024-11-09 05:49:36,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2178 to 2176. [2024-11-09 05:49:36,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2176 states, 1321 states have (on average 1.2785768357305072) internal successors, (1689), 1381 states have internal predecessors, (1689), 700 states have call successors, (700), 146 states have call predecessors, (700), 146 states have return successors, (715), 682 states have call predecessors, (715), 698 states have call successors, (715) [2024-11-09 05:49:36,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 2176 states and 3104 transitions. [2024-11-09 05:49:36,071 INFO L78 Accepts]: Start accepts. Automaton has 2176 states and 3104 transitions. Word has length 153 [2024-11-09 05:49:36,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:36,072 INFO L471 AbstractCegarLoop]: Abstraction has 2176 states and 3104 transitions. [2024-11-09 05:49:36,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-09 05:49:36,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2176 states and 3104 transitions. [2024-11-09 05:49:36,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-09 05:49:36,077 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:36,077 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:36,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-09 05:49:36,078 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:49:36,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:36,078 INFO L85 PathProgramCache]: Analyzing trace with hash 708066081, now seen corresponding path program 1 times [2024-11-09 05:49:36,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:36,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149264800] [2024-11-09 05:49:36,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:36,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:45,527 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:49:45,527 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:45,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149264800] [2024-11-09 05:49:45,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149264800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:45,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:45,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:49:45,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164480163] [2024-11-09 05:49:45,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:45,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:49:45,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:45,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:49:45,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:49:45,530 INFO L87 Difference]: Start difference. First operand 2176 states and 3104 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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 05:49:47,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:49,863 WARN L539 Checker$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 05:49:52,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:50:00,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:50:01,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:50:01,175 INFO L93 Difference]: Finished difference Result 2176 states and 3104 transitions. [2024-11-09 05:50:01,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:50:01,176 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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 130 [2024-11-09 05:50:01,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:50:01,188 INFO L225 Difference]: With dead ends: 2176 [2024-11-09 05:50:01,188 INFO L226 Difference]: Without dead ends: 2174 [2024-11-09 05:50:01,190 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 05:50:01,191 INFO L432 NwaCegarLoop]: 2710 mSDtfsCounter, 2994 mSDsluCounter, 2710 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2994 SdHoareTripleChecker+Valid, 5420 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:50:01,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2994 Valid, 5420 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 15.1s Time] [2024-11-09 05:50:01,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2174 states. [2024-11-09 05:50:01,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2174 to 2174. [2024-11-09 05:50:01,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2174 states, 1320 states have (on average 1.278030303030303) internal successors, (1687), 1379 states have internal predecessors, (1687), 700 states have call successors, (700), 146 states have call predecessors, (700), 146 states have return successors, (715), 682 states have call predecessors, (715), 698 states have call successors, (715) [2024-11-09 05:50:01,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 2174 states and 3102 transitions. [2024-11-09 05:50:01,542 INFO L78 Accepts]: Start accepts. Automaton has 2174 states and 3102 transitions. Word has length 130 [2024-11-09 05:50:01,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:01,542 INFO L471 AbstractCegarLoop]: Abstraction has 2174 states and 3102 transitions. [2024-11-09 05:50:01,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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 05:50:01,542 INFO L276 IsEmpty]: Start isEmpty. Operand 2174 states and 3102 transitions. [2024-11-09 05:50:01,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 05:50:01,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:01,546 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:50:01,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-09 05:50:01,546 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:50:01,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:01,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1516925483, now seen corresponding path program 1 times [2024-11-09 05:50:01,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:50:01,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489531701] [2024-11-09 05:50:01,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:01,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:50:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:11,662 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:50:11,662 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:50:11,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489531701] [2024-11-09 05:50:11,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489531701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:50:11,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:50:11,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:50:11,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687611508] [2024-11-09 05:50:11,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:50:11,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:50:11,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:50:11,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:50:11,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:50:11,666 INFO L87 Difference]: Start difference. First operand 2174 states and 3102 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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 05:50:13,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:50:15,966 WARN L539 Checker$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 05:50:23,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:50:23,957 INFO L93 Difference]: Finished difference Result 2174 states and 3102 transitions. [2024-11-09 05:50:23,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:50:23,958 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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 135 [2024-11-09 05:50:23,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:50:23,971 INFO L225 Difference]: With dead ends: 2174 [2024-11-09 05:50:23,972 INFO L226 Difference]: Without dead ends: 2172 [2024-11-09 05:50:23,974 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 05:50:23,975 INFO L432 NwaCegarLoop]: 2708 mSDtfsCounter, 2991 mSDsluCounter, 2708 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2991 SdHoareTripleChecker+Valid, 5416 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:50:23,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2991 Valid, 5416 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 11.8s Time] [2024-11-09 05:50:23,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2172 states. [2024-11-09 05:50:24,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2172 to 2172. [2024-11-09 05:50:24,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2172 states, 1319 states have (on average 1.2774829416224411) internal successors, (1685), 1377 states have internal predecessors, (1685), 700 states have call successors, (700), 146 states have call predecessors, (700), 146 states have return successors, (715), 682 states have call predecessors, (715), 698 states have call successors, (715) [2024-11-09 05:50:24,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 2172 states and 3100 transitions. [2024-11-09 05:50:24,627 INFO L78 Accepts]: Start accepts. Automaton has 2172 states and 3100 transitions. Word has length 135 [2024-11-09 05:50:24,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:24,628 INFO L471 AbstractCegarLoop]: Abstraction has 2172 states and 3100 transitions. [2024-11-09 05:50:24,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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 05:50:24,629 INFO L276 IsEmpty]: Start isEmpty. Operand 2172 states and 3100 transitions. [2024-11-09 05:50:24,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-09 05:50:24,633 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:24,633 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:50:24,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-09 05:50:24,634 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:50:24,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:24,635 INFO L85 PathProgramCache]: Analyzing trace with hash -445451102, now seen corresponding path program 1 times [2024-11-09 05:50:24,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:50:24,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717239291] [2024-11-09 05:50:24,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:24,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:50:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:34,913 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-09 05:50:34,914 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:50:34,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717239291] [2024-11-09 05:50:34,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717239291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:50:34,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:50:34,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:50:34,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529278475] [2024-11-09 05:50:34,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:50:34,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:50:34,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:50:34,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:50:34,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:50:34,917 INFO L87 Difference]: Start difference. First operand 2172 states and 3100 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-09 05:50:37,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:50:39,260 WARN L539 Checker$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 05:50:41,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:50:43,653 WARN L539 Checker$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 05:50:47,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:51:01,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:51:01,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:51:01,881 INFO L93 Difference]: Finished difference Result 2172 states and 3100 transitions. [2024-11-09 05:51:01,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:51:01,882 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) Word has length 169 [2024-11-09 05:51:01,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:51:01,893 INFO L225 Difference]: With dead ends: 2172 [2024-11-09 05:51:01,893 INFO L226 Difference]: Without dead ends: 2170 [2024-11-09 05:51:01,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 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 05:51:01,896 INFO L432 NwaCegarLoop]: 2705 mSDtfsCounter, 43 mSDsluCounter, 8067 mSDsCounter, 0 mSdLazyCounter, 1272 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 10772 SdHoareTripleChecker+Invalid, 1276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1272 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:51:01,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 10772 Invalid, 1276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1272 Invalid, 4 Unknown, 0 Unchecked, 26.3s Time] [2024-11-09 05:51:01,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2170 states. [2024-11-09 05:51:02,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2170 to 2170. [2024-11-09 05:51:02,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2170 states, 1318 states have (on average 1.2769347496206374) internal successors, (1683), 1375 states have internal predecessors, (1683), 700 states have call successors, (700), 146 states have call predecessors, (700), 146 states have return successors, (715), 682 states have call predecessors, (715), 698 states have call successors, (715) [2024-11-09 05:51:02,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 2170 states and 3098 transitions. [2024-11-09 05:51:02,435 INFO L78 Accepts]: Start accepts. Automaton has 2170 states and 3098 transitions. Word has length 169 [2024-11-09 05:51:02,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:51:02,435 INFO L471 AbstractCegarLoop]: Abstraction has 2170 states and 3098 transitions. [2024-11-09 05:51:02,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-09 05:51:02,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2170 states and 3098 transitions. [2024-11-09 05:51:02,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-09 05:51:02,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:51:02,441 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:51:02,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-09 05:51:02,441 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:51:02,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:51:02,442 INFO L85 PathProgramCache]: Analyzing trace with hash -205125408, now seen corresponding path program 1 times [2024-11-09 05:51:02,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:51:02,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570032686] [2024-11-09 05:51:02,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:02,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:51:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:11,741 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:51:11,741 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:51:11,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570032686] [2024-11-09 05:51:11,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570032686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:51:11,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:51:11,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:51:11,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54132263] [2024-11-09 05:51:11,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:51:11,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:51:11,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:51:11,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:51:11,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:51:11,744 INFO L87 Difference]: Start difference. First operand 2170 states and 3098 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 05:51:13,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:51:16,036 WARN L539 Checker$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 05:51:25,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:51:25,021 INFO L93 Difference]: Finished difference Result 2170 states and 3098 transitions. [2024-11-09 05:51:25,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:51:25,022 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 140 [2024-11-09 05:51:25,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:51:25,030 INFO L225 Difference]: With dead ends: 2170 [2024-11-09 05:51:25,030 INFO L226 Difference]: Without dead ends: 2168 [2024-11-09 05:51:25,032 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 05:51:25,033 INFO L432 NwaCegarLoop]: 2704 mSDtfsCounter, 2986 mSDsluCounter, 2704 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2986 SdHoareTripleChecker+Valid, 5408 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:51:25,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2986 Valid, 5408 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 12.7s Time] [2024-11-09 05:51:25,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2168 states. [2024-11-09 05:51:25,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2168 to 2168. [2024-11-09 05:51:25,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2168 states, 1317 states have (on average 1.2763857251328778) internal successors, (1681), 1373 states have internal predecessors, (1681), 700 states have call successors, (700), 146 states have call predecessors, (700), 146 states have return successors, (715), 682 states have call predecessors, (715), 698 states have call successors, (715) [2024-11-09 05:51:25,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 2168 states and 3096 transitions. [2024-11-09 05:51:25,564 INFO L78 Accepts]: Start accepts. Automaton has 2168 states and 3096 transitions. Word has length 140 [2024-11-09 05:51:25,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:51:25,564 INFO L471 AbstractCegarLoop]: Abstraction has 2168 states and 3096 transitions. [2024-11-09 05:51:25,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 05:51:25,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2168 states and 3096 transitions. [2024-11-09 05:51:25,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-09 05:51:25,570 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:51:25,570 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:51:25,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-09 05:51:25,570 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-09 05:51:25,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:51:25,571 INFO L85 PathProgramCache]: Analyzing trace with hash -238094005, now seen corresponding path program 1 times [2024-11-09 05:51:25,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:51:25,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873783895] [2024-11-09 05:51:25,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:25,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:51:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:36,621 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2024-11-09 05:51:36,621 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:51:36,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873783895] [2024-11-09 05:51:36,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873783895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:51:36,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:51:36,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 05:51:36,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034098566] [2024-11-09 05:51:36,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:51:36,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 05:51:36,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:51:36,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 05:51:36,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 05:51:36,624 INFO L87 Difference]: Start difference. First operand 2168 states and 3096 transitions. Second operand has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 5 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-09 05:51:38,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:51:40,935 WARN L539 Checker$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 05:51:43,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:51:45,273 WARN L539 Checker$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 05:51:47,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:51:49,568 WARN L539 Checker$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 05:51:51,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:51:56,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:52:09,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []