./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/bin/utaipan-verify-sOmjnqqW8E/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_fe6e654d-3c5c-4647-906a-9546781cad20/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/bin/utaipan-verify-sOmjnqqW8E --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 0.3.0-dev-826ab2b [2024-11-14 02:56:58,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:56:58,507 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 02:56:58,512 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:56:58,512 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:56:58,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:56:58,536 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:56:58,536 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:56:58,536 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:56:58,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:56:58,537 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:56:58,537 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:56:58,537 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:56:58,537 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:56:58,537 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:56:58,537 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:56:58,537 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:56:58,537 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:56:58,538 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:56:58,538 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:56:58,538 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:56:58,538 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:56:58,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:56:58,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:56:58,539 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:56:58,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:56:58,539 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:56:58,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:56:58,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:56:58,539 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:56:58,539 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:56:58,539 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:56:58,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:56:58,540 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:56:58,540 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:56:58,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:56:58,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:56:58,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:56:58,540 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:56:58,540 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:56:58,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:56:58,540 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:56:58,541 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:56:58,541 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:56:58,541 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_fe6e654d-3c5c-4647-906a-9546781cad20/bin/utaipan-verify-sOmjnqqW8E 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 [2024-11-14 02:56:58,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:56:58,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:56:58,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:56:58,879 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:56:58,880 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:56:58,881 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i Unable to find full path for "g++" [2024-11-14 02:57:00,876 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:57:01,818 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:57:01,819 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i [2024-11-14 02:57:01,899 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/bin/utaipan-verify-sOmjnqqW8E/data/54514bd58/28d1e576216048e68fb982d36cbe6300/FLAG49648bd0f [2024-11-14 02:57:01,951 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/bin/utaipan-verify-sOmjnqqW8E/data/54514bd58/28d1e576216048e68fb982d36cbe6300 [2024-11-14 02:57:01,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:57:01,955 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:57:01,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:57:01,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:57:01,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:57:01,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:57:01" (1/1) ... [2024-11-14 02:57:01,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2883c547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:01, skipping insertion in model container [2024-11-14 02:57:01,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:57:01" (1/1) ... [2024-11-14 02:57:02,168 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:57:06,716 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479065,479078] [2024-11-14 02:57:06,720 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479210,479223] [2024-11-14 02:57:06,721 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479356,479369] [2024-11-14 02:57:06,721 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479521,479534] [2024-11-14 02:57:06,722 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479679,479692] [2024-11-14 02:57:06,722 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479837,479850] [2024-11-14 02:57:06,723 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479995,480008] [2024-11-14 02:57:06,724 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480155,480168] [2024-11-14 02:57:06,724 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480314,480327] [2024-11-14 02:57:06,725 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480453,480466] [2024-11-14 02:57:06,725 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480595,480608] [2024-11-14 02:57:06,725 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480744,480757] [2024-11-14 02:57:06,726 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480883,480896] [2024-11-14 02:57:06,726 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481038,481051] [2024-11-14 02:57:06,727 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481198,481211] [2024-11-14 02:57:06,727 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481349,481362] [2024-11-14 02:57:06,727 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481500,481513] [2024-11-14 02:57:06,728 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481652,481665] [2024-11-14 02:57:06,728 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481801,481814] [2024-11-14 02:57:06,729 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481949,481962] [2024-11-14 02:57:06,729 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482106,482119] [2024-11-14 02:57:06,729 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482255,482268] [2024-11-14 02:57:06,730 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482411,482424] [2024-11-14 02:57:06,730 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482564,482577] [2024-11-14 02:57:06,731 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482710,482723] [2024-11-14 02:57:06,731 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482853,482866] [2024-11-14 02:57:06,731 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483005,483018] [2024-11-14 02:57:06,732 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483151,483164] [2024-11-14 02:57:06,732 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483296,483309] [2024-11-14 02:57:06,733 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483450,483463] [2024-11-14 02:57:06,733 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483601,483614] [2024-11-14 02:57:06,733 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483756,483769] [2024-11-14 02:57:06,734 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483908,483921] [2024-11-14 02:57:06,734 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484063,484076] [2024-11-14 02:57:06,735 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484227,484240] [2024-11-14 02:57:06,735 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484383,484396] [2024-11-14 02:57:06,735 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484547,484560] [2024-11-14 02:57:06,736 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484689,484702] [2024-11-14 02:57:06,736 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484847,484860] [2024-11-14 02:57:06,736 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485014,485027] [2024-11-14 02:57:06,737 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485173,485186] [2024-11-14 02:57:06,737 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485332,485345] [2024-11-14 02:57:06,737 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485481,485494] [2024-11-14 02:57:06,738 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485628,485641] [2024-11-14 02:57:06,738 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485767,485780] [2024-11-14 02:57:06,738 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485930,485943] [2024-11-14 02:57:06,739 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486096,486109] [2024-11-14 02:57:06,739 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486260,486273] [2024-11-14 02:57:06,740 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486425,486438] [2024-11-14 02:57:06,740 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486590,486603] [2024-11-14 02:57:06,740 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486756,486769] [2024-11-14 02:57:06,741 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486921,486934] [2024-11-14 02:57:06,741 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487088,487101] [2024-11-14 02:57:06,741 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487248,487261] [2024-11-14 02:57:06,742 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487410,487423] [2024-11-14 02:57:06,742 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487569,487582] [2024-11-14 02:57:06,743 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487715,487728] [2024-11-14 02:57:06,743 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487858,487871] [2024-11-14 02:57:06,743 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488002,488015] [2024-11-14 02:57:06,744 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488145,488158] [2024-11-14 02:57:06,744 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488289,488302] [2024-11-14 02:57:06,745 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488430,488443] [2024-11-14 02:57:06,745 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488568,488581] [2024-11-14 02:57:06,745 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488726,488739] [2024-11-14 02:57:06,746 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488885,488898] [2024-11-14 02:57:06,746 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489041,489054] [2024-11-14 02:57:06,746 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489190,489203] [2024-11-14 02:57:06,747 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489342,489355] [2024-11-14 02:57:06,747 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489493,489506] [2024-11-14 02:57:06,747 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489642,489655] [2024-11-14 02:57:06,748 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489794,489807] [2024-11-14 02:57:06,748 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489942,489955] [2024-11-14 02:57:06,749 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490095,490108] [2024-11-14 02:57:06,749 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490246,490259] [2024-11-14 02:57:06,749 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490396,490409] [2024-11-14 02:57:06,750 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490543,490556] [2024-11-14 02:57:06,750 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490694,490707] [2024-11-14 02:57:06,750 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490845,490858] [2024-11-14 02:57:06,751 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490993,491006] [2024-11-14 02:57:06,751 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491159,491172] [2024-11-14 02:57:06,752 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491328,491341] [2024-11-14 02:57:06,752 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491495,491508] [2024-11-14 02:57:06,752 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491663,491676] [2024-11-14 02:57:06,753 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491813,491826] [2024-11-14 02:57:06,753 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491960,491973] [2024-11-14 02:57:06,753 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492121,492134] [2024-11-14 02:57:06,754 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492291,492304] [2024-11-14 02:57:06,754 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492453,492466] [2024-11-14 02:57:06,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:57:06,816 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:57:06,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4418] [2024-11-14 02:57:07,038 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] [2024-11-14 02:57:07,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [6435] [2024-11-14 02:57:07,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [6438] [2024-11-14 02:57:07,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [6440] [2024-11-14 02:57:07,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [6445] [2024-11-14 02:57:07,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [6448] [2024-11-14 02:57:07,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [6450] [2024-11-14 02:57:07,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [6455] [2024-11-14 02:57:07,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [6458] [2024-11-14 02:57:07,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [6460] [2024-11-14 02:57:07,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [6465] [2024-11-14 02:57:07,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [6468] [2024-11-14 02:57:07,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [6470] [2024-11-14 02:57:07,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [6508] [2024-11-14 02:57:07,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [6511] [2024-11-14 02:57:07,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [6513] [2024-11-14 02:57:07,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [6518] [2024-11-14 02:57:07,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [6521] [2024-11-14 02:57:07,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [6523] [2024-11-14 02:57:07,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [6528] [2024-11-14 02:57:07,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [6531] [2024-11-14 02:57:07,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [6533] [2024-11-14 02:57:07,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [6538] [2024-11-14 02:57:07,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [6541] [2024-11-14 02:57:07,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [6543] [2024-11-14 02:57:07,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6585] [2024-11-14 02:57:07,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6595] [2024-11-14 02:57:07,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6613] [2024-11-14 02:57:07,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6622] [2024-11-14 02:57:07,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("rep; bsf %1,%0": "=r" (word): "r" (~ word)); [8803] [2024-11-14 02:57:07,276 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [11507] [2024-11-14 02:57:07,277 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [11510] [2024-11-14 02:57:07,277 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [11512] [2024-11-14 02:57:07,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [11517] [2024-11-14 02:57:07,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [11520] [2024-11-14 02:57:07,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [11522] [2024-11-14 02:57:07,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [11527] [2024-11-14 02:57:07,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [11530] [2024-11-14 02:57:07,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [11532] [2024-11-14 02:57:07,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [11537] [2024-11-14 02:57:07,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [11540] [2024-11-14 02:57:07,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [11542] [2024-11-14 02:57:07,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [11580] [2024-11-14 02:57:07,281 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [11583] [2024-11-14 02:57:07,281 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [11585] [2024-11-14 02:57:07,281 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [11590] [2024-11-14 02:57:07,281 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [11593] [2024-11-14 02:57:07,282 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [11595] [2024-11-14 02:57:07,282 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [11600] [2024-11-14 02:57:07,283 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [11603] [2024-11-14 02:57:07,283 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [11605] [2024-11-14 02:57:07,283 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [11610] [2024-11-14 02:57:07,283 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [11613] [2024-11-14 02:57:07,283 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [11615] [2024-11-14 02:57:07,284 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [11636] [2024-11-14 02:57:07,284 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [11645] [2024-11-14 02:57:07,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12785] [2024-11-14 02:57:07,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13044] [2024-11-14 02:57:07,339 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsfl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [13279] [2024-11-14 02:57:07,339 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13289] [2024-11-14 02:57:07,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13554] [2024-11-14 02:57:07,391 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479065,479078] [2024-11-14 02:57:07,392 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479210,479223] [2024-11-14 02:57:07,393 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479356,479369] [2024-11-14 02:57:07,394 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479521,479534] [2024-11-14 02:57:07,394 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479679,479692] [2024-11-14 02:57:07,395 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479837,479850] [2024-11-14 02:57:07,395 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479995,480008] [2024-11-14 02:57:07,395 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480155,480168] [2024-11-14 02:57:07,396 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480314,480327] [2024-11-14 02:57:07,396 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480453,480466] [2024-11-14 02:57:07,396 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480595,480608] [2024-11-14 02:57:07,397 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480744,480757] [2024-11-14 02:57:07,397 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480883,480896] [2024-11-14 02:57:07,398 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481038,481051] [2024-11-14 02:57:07,399 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481198,481211] [2024-11-14 02:57:07,399 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481349,481362] [2024-11-14 02:57:07,399 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481500,481513] [2024-11-14 02:57:07,400 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481652,481665] [2024-11-14 02:57:07,400 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481801,481814] [2024-11-14 02:57:07,400 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481949,481962] [2024-11-14 02:57:07,401 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482106,482119] [2024-11-14 02:57:07,401 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482255,482268] [2024-11-14 02:57:07,401 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482411,482424] [2024-11-14 02:57:07,401 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482564,482577] [2024-11-14 02:57:07,402 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482710,482723] [2024-11-14 02:57:07,403 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482853,482866] [2024-11-14 02:57:07,403 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483005,483018] [2024-11-14 02:57:07,403 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483151,483164] [2024-11-14 02:57:07,403 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483296,483309] [2024-11-14 02:57:07,403 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483450,483463] [2024-11-14 02:57:07,404 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483601,483614] [2024-11-14 02:57:07,404 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483756,483769] [2024-11-14 02:57:07,404 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483908,483921] [2024-11-14 02:57:07,404 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484063,484076] [2024-11-14 02:57:07,405 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484227,484240] [2024-11-14 02:57:07,405 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484383,484396] [2024-11-14 02:57:07,406 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484547,484560] [2024-11-14 02:57:07,407 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484689,484702] [2024-11-14 02:57:07,408 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484847,484860] [2024-11-14 02:57:07,408 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485014,485027] [2024-11-14 02:57:07,412 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485173,485186] [2024-11-14 02:57:07,412 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485332,485345] [2024-11-14 02:57:07,412 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485481,485494] [2024-11-14 02:57:07,412 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485628,485641] [2024-11-14 02:57:07,413 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485767,485780] [2024-11-14 02:57:07,413 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485930,485943] [2024-11-14 02:57:07,413 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486096,486109] [2024-11-14 02:57:07,415 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486260,486273] [2024-11-14 02:57:07,415 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486425,486438] [2024-11-14 02:57:07,416 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486590,486603] [2024-11-14 02:57:07,416 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486756,486769] [2024-11-14 02:57:07,416 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486921,486934] [2024-11-14 02:57:07,417 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487088,487101] [2024-11-14 02:57:07,417 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487248,487261] [2024-11-14 02:57:07,418 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487410,487423] [2024-11-14 02:57:07,418 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487569,487582] [2024-11-14 02:57:07,418 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487715,487728] [2024-11-14 02:57:07,419 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487858,487871] [2024-11-14 02:57:07,419 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488002,488015] [2024-11-14 02:57:07,420 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488145,488158] [2024-11-14 02:57:07,420 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488289,488302] [2024-11-14 02:57:07,421 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488430,488443] [2024-11-14 02:57:07,422 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488568,488581] [2024-11-14 02:57:07,422 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488726,488739] [2024-11-14 02:57:07,423 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488885,488898] [2024-11-14 02:57:07,425 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489041,489054] [2024-11-14 02:57:07,425 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489190,489203] [2024-11-14 02:57:07,426 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489342,489355] [2024-11-14 02:57:07,426 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489493,489506] [2024-11-14 02:57:07,426 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489642,489655] [2024-11-14 02:57:07,427 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489794,489807] [2024-11-14 02:57:07,427 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489942,489955] [2024-11-14 02:57:07,427 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490095,490108] [2024-11-14 02:57:07,427 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490246,490259] [2024-11-14 02:57:07,427 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490396,490409] [2024-11-14 02:57:07,428 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490543,490556] [2024-11-14 02:57:07,428 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490694,490707] [2024-11-14 02:57:07,428 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490845,490858] [2024-11-14 02:57:07,428 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490993,491006] [2024-11-14 02:57:07,429 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491159,491172] [2024-11-14 02:57:07,429 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491328,491341] [2024-11-14 02:57:07,429 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491495,491508] [2024-11-14 02:57:07,430 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491663,491676] [2024-11-14 02:57:07,430 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491813,491826] [2024-11-14 02:57:07,431 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491960,491973] [2024-11-14 02:57:07,431 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492121,492134] [2024-11-14 02:57:07,432 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492291,492304] [2024-11-14 02:57:07,433 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492453,492466] [2024-11-14 02:57:07,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:57:07,752 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:57:07,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:07 WrapperNode [2024-11-14 02:57:07,752 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:57:07,753 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:57:07,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:57:07,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:57:07,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:07" (1/1) ... [2024-11-14 02:57:07,854 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:07" (1/1) ... [2024-11-14 02:57:08,173 INFO L138 Inliner]: procedures = 716, calls = 4212, calls flagged for inlining = 351, calls inlined = 253, statements flattened = 8871 [2024-11-14 02:57:08,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:57:08,174 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:57:08,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:57:08,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:57:08,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:07" (1/1) ... [2024-11-14 02:57:08,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:07" (1/1) ... [2024-11-14 02:57:08,222 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:07" (1/1) ... [2024-11-14 02:57:08,223 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:07" (1/1) ... [2024-11-14 02:57:08,405 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:07" (1/1) ... [2024-11-14 02:57:08,446 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:07" (1/1) ... [2024-11-14 02:57:08,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:07" (1/1) ... [2024-11-14 02:57:08,517 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:07" (1/1) ... [2024-11-14 02:57:08,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:57:08,573 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:57:08,574 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:57:08,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:57:08,575 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:07" (1/1) ... [2024-11-14 02:57:08,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:57:08,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:57:08,613 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:57:08,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6e654d-3c5c-4647-906a-9546781cad20/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:57:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure put_bh___2 [2024-11-14 02:57:08,639 INFO L138 BoogieDeclarations]: Found implementation of procedure put_bh___2 [2024-11-14 02:57:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure put_bh___3 [2024-11-14 02:57:08,639 INFO L138 BoogieDeclarations]: Found implementation of procedure put_bh___3 [2024-11-14 02:57:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure set_nlink [2024-11-14 02:57:08,640 INFO L138 BoogieDeclarations]: Found implementation of procedure set_nlink [2024-11-14 02:57:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure zlib_uncompress [2024-11-14 02:57:08,640 INFO L138 BoogieDeclarations]: Found implementation of procedure zlib_uncompress [2024-11-14 02:57:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2024-11-14 02:57:08,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2024-11-14 02:57:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2024-11-14 02:57:08,640 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2024-11-14 02:57:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-14 02:57:08,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-14 02:57:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2024-11-14 02:57:08,641 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2024-11-14 02:57:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure ll_rw_block [2024-11-14 02:57:08,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_rw_block [2024-11-14 02:57:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-14 02:57:08,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-14 02:57:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2024-11-14 02:57:08,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2024-11-14 02:57:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2024-11-14 02:57:08,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2024-11-14 02:57:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-14 02:57:08,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-14 02:57:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_finish_page [2024-11-14 02:57:08,641 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_finish_page [2024-11-14 02:57:08,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2024-11-14 02:57:08,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2024-11-14 02:57:08,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2024-11-14 02:57:08,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2024-11-14 02:57:08,642 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_xz_uncompress [2024-11-14 02:57:08,642 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_xz_uncompress [2024-11-14 02:57:08,642 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_lookup [2024-11-14 02:57:08,642 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_lookup [2024-11-14 02:57:08,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_meta_index_mutex_of_squashfs_sb_info [2024-11-14 02:57:08,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_meta_index_mutex_of_squashfs_sb_info [2024-11-14 02:57:08,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-14 02:57:08,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-14 02:57:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_copy_data [2024-11-14 02:57:08,643 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_copy_data [2024-11-14 02:57:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-14 02:57:08,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-14 02:57:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2024-11-14 02:57:08,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2024-11-14 02:57:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_inodecache [2024-11-14 02:57:08,643 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_inodecache [2024-11-14 02:57:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_read_inode [2024-11-14 02:57:08,643 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_read_inode [2024-11-14 02:57:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 02:57:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure lzo_free [2024-11-14 02:57:08,644 INFO L138 BoogieDeclarations]: Found implementation of procedure lzo_free [2024-11-14 02:57:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure init_special_inode [2024-11-14 02:57:08,644 INFO L138 BoogieDeclarations]: Found implementation of procedure init_special_inode [2024-11-14 02:57:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure zlib_free [2024-11-14 02:57:08,644 INFO L138 BoogieDeclarations]: Found implementation of procedure zlib_free [2024-11-14 02:57:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-14 02:57:08,644 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-14 02:57:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_frag_lookup [2024-11-14 02:57:08,644 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_frag_lookup [2024-11-14 02:57:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2024-11-14 02:57:08,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2024-11-14 02:57:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2024-11-14 02:57:08,645 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2024-11-14 02:57:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure init_once [2024-11-14 02:57:08,645 INFO L138 BoogieDeclarations]: Found implementation of procedure init_once [2024-11-14 02:57:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-14 02:57:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure sb_bread [2024-11-14 02:57:08,645 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_bread [2024-11-14 02:57:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_xz_init [2024-11-14 02:57:08,645 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_xz_init [2024-11-14 02:57:08,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 02:57:08,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2024-11-14 02:57:08,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2024-11-14 02:57:08,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-14 02:57:08,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-14 02:57:08,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2024-11-14 02:57:08,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2024-11-14 02:57:08,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 02:57:08,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2024-11-14 02:57:08,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2024-11-14 02:57:08,646 INFO L130 BoogieDeclarations]: Found specification of procedure read_indexes [2024-11-14 02:57:08,646 INFO L138 BoogieDeclarations]: Found implementation of procedure read_indexes [2024-11-14 02:57:08,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2024-11-14 02:57:08,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2024-11-14 02:57:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure new_decode_dev [2024-11-14 02:57:08,647 INFO L138 BoogieDeclarations]: Found implementation of procedure new_decode_dev [2024-11-14 02:57:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-14 02:57:08,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-14 02:57:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2024-11-14 02:57:08,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2024-11-14 02:57:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-14 02:57:08,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-14 02:57:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2024-11-14 02:57:08,647 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2024-11-14 02:57:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_i [2024-11-14 02:57:08,647 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_i [2024-11-14 02:57:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2024-11-14 02:57:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2024-11-14 02:57:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2024-11-14 02:57:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2024-11-14 02:57:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_next_page [2024-11-14 02:57:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_next_page [2024-11-14 02:57:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2024-11-14 02:57:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2024-11-14 02:57:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_export_iget [2024-11-14 02:57:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_export_iget [2024-11-14 02:57:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 02:57:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_meta_index_mutex_of_squashfs_sb_info [2024-11-14 02:57:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_meta_index_mutex_of_squashfs_sb_info [2024-11-14 02:57:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_user_list [2024-11-14 02:57:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_user_list [2024-11-14 02:57:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2024-11-14 02:57:08,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2024-11-14 02:57:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure lzo_uncompress [2024-11-14 02:57:08,649 INFO L138 BoogieDeclarations]: Found implementation of procedure lzo_uncompress [2024-11-14 02:57:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:57:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-14 02:57:08,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-14 02:57:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 02:57:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-11-14 02:57:08,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-11-14 02:57:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-14 02:57:08,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-14 02:57:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_statfs [2024-11-14 02:57:08,649 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_statfs [2024-11-14 02:57:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure release_meta_index [2024-11-14 02:57:08,650 INFO L138 BoogieDeclarations]: Found implementation of procedure release_meta_index [2024-11-14 02:57:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2024-11-14 02:57:08,650 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2024-11-14 02:57:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2024-11-14 02:57:08,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2024-11-14 02:57:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_cache_delete [2024-11-14 02:57:08,650 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_cache_delete [2024-11-14 02:57:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure lz4_comp_opts [2024-11-14 02:57:08,650 INFO L138 BoogieDeclarations]: Found implementation of procedure lz4_comp_opts [2024-11-14 02:57:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-14 02:57:08,650 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-14 02:57:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2024-11-14 02:57:08,650 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2024-11-14 02:57:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:57:08,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:57:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_read_metadata [2024-11-14 02:57:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_read_metadata [2024-11-14 02:57:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_read_data [2024-11-14 02:57:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_read_data [2024-11-14 02:57:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure kill_block_super [2024-11-14 02:57:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_block_super [2024-11-14 02:57:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_page [2024-11-14 02:57:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_page [2024-11-14 02:57:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure dir_emit [2024-11-14 02:57:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure dir_emit [2024-11-14 02:57:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-14 02:57:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 02:57:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-14 02:57:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-14 02:57:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_security_list [2024-11-14 02:57:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_security_list [2024-11-14 02:57:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-14 02:57:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-14 02:57:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_squashfs_stream [2024-11-14 02:57:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_squashfs_stream [2024-11-14 02:57:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageError [2024-11-14 02:57:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageError [2024-11-14 02:57:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_iget [2024-11-14 02:57:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_iget [2024-11-14 02:57:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_xattr_get [2024-11-14 02:57:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_xattr_get [2024-11-14 02:57:08,652 INFO L130 BoogieDeclarations]: Found specification of procedure lzo_init [2024-11-14 02:57:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure lzo_init [2024-11-14 02:57:08,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-14 02:57:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-14 02:57:08,652 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_get_id [2024-11-14 02:57:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_get_id [2024-11-14 02:57:08,652 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2024-11-14 02:57:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2024-11-14 02:57:08,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2024-11-14 02:57:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2024-11-14 02:57:08,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2024-11-14 02:57:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2024-11-14 02:57:08,653 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2024-11-14 02:57:08,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2024-11-14 02:57:08,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2024-11-14 02:57:08,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2024-11-14 02:57:08,653 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_copy_cache [2024-11-14 02:57:08,653 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_copy_cache [2024-11-14 02:57:08,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 02:57:08,653 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-14 02:57:08,654 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-14 02:57:08,654 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2024-11-14 02:57:08,654 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2024-11-14 02:57:08,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2024-11-14 02:57:08,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2024-11-14 02:57:08,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 02:57:08,654 INFO L130 BoogieDeclarations]: Found specification of procedure page_follow_link_light [2024-11-14 02:57:08,654 INFO L138 BoogieDeclarations]: Found implementation of procedure page_follow_link_light [2024-11-14 02:57:08,654 INFO L130 BoogieDeclarations]: Found specification of procedure put_bh [2024-11-14 02:57:08,654 INFO L138 BoogieDeclarations]: Found implementation of procedure put_bh [2024-11-14 02:57:08,654 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_xz_free [2024-11-14 02:57:08,654 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_xz_free [2024-11-14 02:57:08,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 02:57:08,655 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-14 02:57:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-14 02:57:08,655 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_symlink_readpage [2024-11-14 02:57:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_symlink_readpage [2024-11-14 02:57:08,655 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-14 02:57:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-14 02:57:08,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2024-11-14 02:57:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2024-11-14 02:57:08,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-14 02:57:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-14 02:57:08,655 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_trusted_list [2024-11-14 02:57:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_trusted_list [2024-11-14 02:57:08,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-14 02:57:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-14 02:57:08,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2024-11-14 02:57:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2024-11-14 02:57:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-11-14 02:57:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-11-14 02:57:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2024-11-14 02:57:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2024-11-14 02:57:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2024-11-14 02:57:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2024-11-14 02:57:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_decompressor_destroy [2024-11-14 02:57:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_decompressor_destroy [2024-11-14 02:57:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_cache_get [2024-11-14 02:57:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_cache_get [2024-11-14 02:57:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-14 02:57:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-14 02:57:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2024-11-14 02:57:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2024-11-14 02:57:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_destroy_inode [2024-11-14 02:57:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_destroy_inode [2024-11-14 02:57:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-14 02:57:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-14 02:57:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-11-14 02:57:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-11-14 02:57:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_readdir [2024-11-14 02:57:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_readdir [2024-11-14 02:57:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 02:57:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2024-11-14 02:57:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2024-11-14 02:57:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-14 02:57:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-14 02:57:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_first_page [2024-11-14 02:57:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_first_page [2024-11-14 02:57:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_readpage [2024-11-14 02:57:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_readpage [2024-11-14 02:57:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-14 02:57:08,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-14 02:57:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageUptodate [2024-11-14 02:57:08,657 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageUptodate [2024-11-14 02:57:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_cache_put [2024-11-14 02:57:08,657 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_cache_put [2024-11-14 02:57:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_95 [2024-11-14 02:57:08,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_95 [2024-11-14 02:57:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2024-11-14 02:57:08,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2024-11-14 02:57:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2024-11-14 02:57:08,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2024-11-14 02:57:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure lz4_init [2024-11-14 02:57:08,657 INFO L138 BoogieDeclarations]: Found implementation of procedure lz4_init [2024-11-14 02:57:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-11-14 02:57:08,657 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-11-14 02:57:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-14 02:57:08,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-14 02:57:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure zlib_init [2024-11-14 02:57:08,658 INFO L138 BoogieDeclarations]: Found implementation of procedure zlib_init [2024-11-14 02:57:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-14 02:57:08,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-14 02:57:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2024-11-14 02:57:08,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2024-11-14 02:57:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure sb_getblk [2024-11-14 02:57:08,658 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_getblk [2024-11-14 02:57:08,659 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_xz_comp_opts [2024-11-14 02:57:08,659 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_xz_comp_opts [2024-11-14 02:57:08,659 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_put_super [2024-11-14 02:57:08,659 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_put_super [2024-11-14 02:57:08,659 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2024-11-14 02:57:08,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2024-11-14 02:57:08,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:57:10,098 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:57:10,102 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:57:11,341 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-14 02:57:24,324 INFO L? ?]: Removed 3537 outVars from TransFormulas that were not future-live. [2024-11-14 02:57:24,324 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:57:26,648 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:57:26,648 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-14 02:57:26,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:57:26 BoogieIcfgContainer [2024-11-14 02:57:26,649 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:57:26,651 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:57:26,651 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:57:26,656 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:57:26,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:57:01" (1/3) ... [2024-11-14 02:57:26,657 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fcf4967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:57:26, skipping insertion in model container [2024-11-14 02:57:26,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:07" (2/3) ... [2024-11-14 02:57:26,657 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fcf4967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:57:26, skipping insertion in model container [2024-11-14 02:57:26,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:57:26" (3/3) ... [2024-11-14 02:57:26,659 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i [2024-11-14 02:57:26,677 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:57:26,681 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i that has 134 procedures, 2193 locations, 1 initial locations, 3 loop locations, and 33 error locations. [2024-11-14 02:57:26,790 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:57:26,804 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;@39adeba2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:57:26,805 INFO L334 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2024-11-14 02:57:26,820 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) [2024-11-14 02:57:26,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-14 02:57:26,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:57:26,829 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] [2024-11-14 02:57:26,830 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)] === [2024-11-14 02:57:26,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:57:26,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1823814200, now seen corresponding path program 1 times [2024-11-14 02:57:26,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:57:26,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871583039] [2024-11-14 02:57:26,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:57:26,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:57:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:57:36,352 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-14 02:57:36,354 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:57:36,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871583039] [2024-11-14 02:57:36,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871583039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:57:36,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:57:36,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 02:57:36,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479860375] [2024-11-14 02:57:36,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:57:36,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 02:57:36,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:57:36,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 02:57:36,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 02:57:36,396 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) [2024-11-14 02:57:38,549 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 [] [2024-11-14 02:57:40,779 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 [] [2024-11-14 02:57:48,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:57:48,293 INFO L93 Difference]: Finished difference Result 4351 states and 6480 transitions. [2024-11-14 02:57:48,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 02:57:48,296 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 [2024-11-14 02:57:48,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:57:48,342 INFO L225 Difference]: With dead ends: 4351 [2024-11-14 02:57:48,343 INFO L226 Difference]: Without dead ends: 2162 [2024-11-14 02:57:48,365 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 [2024-11-14 02:57:48,370 INFO L432 NwaCegarLoop]: 2786 mSDtfsCounter, 3090 mSDsluCounter, 2786 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s 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 [2024-11-14 02:57:48,370 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] [2024-11-14 02:57:48,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2162 states. [2024-11-14 02:57:48,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2162 to 2162. [2024-11-14 02:57:48,634 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) [2024-11-14 02:57:48,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2162 states to 2162 states and 3079 transitions. [2024-11-14 02:57:48,676 INFO L78 Accepts]: Start accepts. Automaton has 2162 states and 3079 transitions. Word has length 35 [2024-11-14 02:57:48,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:57:48,678 INFO L471 AbstractCegarLoop]: Abstraction has 2162 states and 3079 transitions. [2024-11-14 02:57:48,679 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) [2024-11-14 02:57:48,679 INFO L276 IsEmpty]: Start isEmpty. Operand 2162 states and 3079 transitions. [2024-11-14 02:57:48,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-14 02:57:48,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:57:48,683 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] [2024-11-14 02:57:48,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 02:57:48,683 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)] === [2024-11-14 02:57:48,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:57:48,684 INFO L85 PathProgramCache]: Analyzing trace with hash -333979899, now seen corresponding path program 1 times [2024-11-14 02:57:48,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:57:48,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685772234] [2024-11-14 02:57:48,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:57:48,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:57:56,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:57:57,314 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-14 02:57:57,314 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:57:57,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685772234] [2024-11-14 02:57:57,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685772234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:57:57,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:57:57,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 02:57:57,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579609278] [2024-11-14 02:57:57,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:57:57,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 02:57:57,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:57:57,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 02:57:57,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 02:57:57,317 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) [2024-11-14 02:57:59,428 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 [] [2024-11-14 02:58:01,594 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 [] [2024-11-14 02:58:10,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:58:10,162 INFO L93 Difference]: Finished difference Result 2162 states and 3079 transitions. [2024-11-14 02:58:10,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 02:58:10,163 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 [2024-11-14 02:58:10,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:58:10,179 INFO L225 Difference]: With dead ends: 2162 [2024-11-14 02:58:10,179 INFO L226 Difference]: Without dead ends: 2160 [2024-11-14 02:58:10,181 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 [2024-11-14 02:58:10,182 INFO L432 NwaCegarLoop]: 2759 mSDtfsCounter, 3059 mSDsluCounter, 2759 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s 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, 12.6s IncrementalHoareTripleChecker+Time [2024-11-14 02:58:10,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3059 Valid, 5518 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 12.6s Time] [2024-11-14 02:58:10,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2160 states. [2024-11-14 02:58:10,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2160 to 2160. [2024-11-14 02:58:10,302 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) [2024-11-14 02:58:10,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 2160 states and 3077 transitions. [2024-11-14 02:58:10,321 INFO L78 Accepts]: Start accepts. Automaton has 2160 states and 3077 transitions. Word has length 37 [2024-11-14 02:58:10,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:58:10,322 INFO L471 AbstractCegarLoop]: Abstraction has 2160 states and 3077 transitions. [2024-11-14 02:58:10,322 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) [2024-11-14 02:58:10,322 INFO L276 IsEmpty]: Start isEmpty. Operand 2160 states and 3077 transitions. [2024-11-14 02:58:10,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-14 02:58:10,324 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:58:10,324 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] [2024-11-14 02:58:10,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 02:58:10,324 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)] === [2024-11-14 02:58:10,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:58:10,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1172659763, now seen corresponding path program 1 times [2024-11-14 02:58:10,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:58:10,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378048567] [2024-11-14 02:58:10,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:58:10,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:58:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:58:18,791 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-14 02:58:18,795 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:58:18,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378048567] [2024-11-14 02:58:18,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378048567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:58:18,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:58:18,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 02:58:18,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373813313] [2024-11-14 02:58:18,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:58:18,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 02:58:18,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:58:18,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 02:58:18,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 02:58:18,799 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) [2024-11-14 02:58:20,975 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 [] [2024-11-14 02:58:23,146 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 [] [2024-11-14 02:58:31,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:58:31,692 INFO L93 Difference]: Finished difference Result 2160 states and 3077 transitions. [2024-11-14 02:58:31,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 02:58:31,693 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 [2024-11-14 02:58:31,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:58:31,734 INFO L225 Difference]: With dead ends: 2160 [2024-11-14 02:58:31,734 INFO L226 Difference]: Without dead ends: 2158 [2024-11-14 02:58:31,737 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 [2024-11-14 02:58:31,739 INFO L432 NwaCegarLoop]: 2757 mSDtfsCounter, 3055 mSDsluCounter, 2757 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3055 SdHoareTripleChecker+Valid, 5514 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2024-11-14 02:58:31,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3055 Valid, 5514 Invalid, 635 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 12.5s Time] [2024-11-14 02:58:31,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2158 states. [2024-11-14 02:58:31,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2158 to 2158. [2024-11-14 02:58:31,987 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) [2024-11-14 02:58:32,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 2158 states and 3075 transitions. [2024-11-14 02:58:32,011 INFO L78 Accepts]: Start accepts. Automaton has 2158 states and 3075 transitions. Word has length 39 [2024-11-14 02:58:32,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:58:32,011 INFO L471 AbstractCegarLoop]: Abstraction has 2158 states and 3075 transitions. [2024-11-14 02:58:32,012 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) [2024-11-14 02:58:32,014 INFO L276 IsEmpty]: Start isEmpty. Operand 2158 states and 3075 transitions. [2024-11-14 02:58:32,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-14 02:58:32,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:58:32,015 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] [2024-11-14 02:58:32,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 02:58:32,018 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)] === [2024-11-14 02:58:32,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:58:32,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1649386006, now seen corresponding path program 1 times [2024-11-14 02:58:32,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:58:32,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912583081] [2024-11-14 02:58:32,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:58:32,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:58:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:58:41,540 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-14 02:58:41,540 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:58:41,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912583081] [2024-11-14 02:58:41,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912583081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:58:41,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:58:41,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 02:58:41,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695286271] [2024-11-14 02:58:41,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:58:41,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 02:58:41,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:58:41,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 02:58:41,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 02:58:41,543 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) [2024-11-14 02:58:43,651 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 [] [2024-11-14 02:58:45,845 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 [] [2024-11-14 02:58:52,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:58:52,937 INFO L93 Difference]: Finished difference Result 2158 states and 3075 transitions. [2024-11-14 02:58:52,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 02:58:52,939 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 [2024-11-14 02:58:52,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:58:52,957 INFO L225 Difference]: With dead ends: 2158 [2024-11-14 02:58:52,957 INFO L226 Difference]: Without dead ends: 2156 [2024-11-14 02:58:52,960 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 [2024-11-14 02:58:52,961 INFO L432 NwaCegarLoop]: 2755 mSDtfsCounter, 3051 mSDsluCounter, 2755 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s 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 [2024-11-14 02:58:52,962 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] [2024-11-14 02:58:52,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2156 states. [2024-11-14 02:58:53,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2156 to 2156. [2024-11-14 02:58:53,163 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) [2024-11-14 02:58:53,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 2156 states and 3073 transitions. [2024-11-14 02:58:53,176 INFO L78 Accepts]: Start accepts. Automaton has 2156 states and 3073 transitions. Word has length 41 [2024-11-14 02:58:53,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:58:53,177 INFO L471 AbstractCegarLoop]: Abstraction has 2156 states and 3073 transitions. [2024-11-14 02:58:53,177 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) [2024-11-14 02:58:53,177 INFO L276 IsEmpty]: Start isEmpty. Operand 2156 states and 3073 transitions. [2024-11-14 02:58:53,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-14 02:58:53,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:58:53,183 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] [2024-11-14 02:58:53,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 02:58:53,183 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)] === [2024-11-14 02:58:53,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:58:53,184 INFO L85 PathProgramCache]: Analyzing trace with hash -2032597171, now seen corresponding path program 1 times [2024-11-14 02:58:53,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:58:53,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675734984] [2024-11-14 02:58:53,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:58:53,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:58:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:59:00,640 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 02:59:00,642 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:59:00,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675734984] [2024-11-14 02:59:00,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675734984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:59:00,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:59:00,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 02:59:00,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900133076] [2024-11-14 02:59:00,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:59:00,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 02:59:00,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:59:00,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 02:59:00,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 02:59:00,648 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) [2024-11-14 02:59:02,760 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 [] [2024-11-14 02:59:04,936 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 [] [2024-11-14 02:59:11,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:59:11,843 INFO L93 Difference]: Finished difference Result 2156 states and 3073 transitions. [2024-11-14 02:59:11,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 02:59:11,843 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 [2024-11-14 02:59:11,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:59:11,859 INFO L225 Difference]: With dead ends: 2156 [2024-11-14 02:59:11,859 INFO L226 Difference]: Without dead ends: 2154 [2024-11-14 02:59:11,861 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 [2024-11-14 02:59:11,863 INFO L432 NwaCegarLoop]: 2753 mSDtfsCounter, 3053 mSDsluCounter, 2753 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s 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, 11.0s IncrementalHoareTripleChecker+Time [2024-11-14 02:59:11,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3053 Valid, 5506 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 11.0s Time] [2024-11-14 02:59:11,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2154 states. [2024-11-14 02:59:12,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2154 to 2154. [2024-11-14 02:59:12,013 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) [2024-11-14 02:59:12,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 2154 states and 3071 transitions. [2024-11-14 02:59:12,027 INFO L78 Accepts]: Start accepts. Automaton has 2154 states and 3071 transitions. Word has length 48 [2024-11-14 02:59:12,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:59:12,029 INFO L471 AbstractCegarLoop]: Abstraction has 2154 states and 3071 transitions. [2024-11-14 02:59:12,030 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) [2024-11-14 02:59:12,030 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 3071 transitions. [2024-11-14 02:59:12,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-14 02:59:12,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:59:12,035 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] [2024-11-14 02:59:12,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 02:59:12,035 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)] === [2024-11-14 02:59:12,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:59:12,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1726989940, now seen corresponding path program 1 times [2024-11-14 02:59:12,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:59:12,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369252741] [2024-11-14 02:59:12,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:59:12,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:59:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:59:18,682 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 02:59:18,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:59:18,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369252741] [2024-11-14 02:59:18,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369252741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:59:18,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:59:18,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 02:59:18,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766171042] [2024-11-14 02:59:18,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:59:18,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 02:59:18,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:59:18,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 02:59:18,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 02:59:18,684 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) [2024-11-14 02:59:20,813 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 [] [2024-11-14 02:59:22,998 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 [] [2024-11-14 02:59:31,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:59:31,010 INFO L93 Difference]: Finished difference Result 2154 states and 3071 transitions. [2024-11-14 02:59:31,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 02:59:31,010 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 [2024-11-14 02:59:31,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:59:31,020 INFO L225 Difference]: With dead ends: 2154 [2024-11-14 02:59:31,020 INFO L226 Difference]: Without dead ends: 2152 [2024-11-14 02:59:31,021 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 [2024-11-14 02:59:31,023 INFO L432 NwaCegarLoop]: 2751 mSDtfsCounter, 3050 mSDsluCounter, 2751 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s 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, 12.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:59:31,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3050 Valid, 5502 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 12.1s Time] [2024-11-14 02:59:31,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2152 states. [2024-11-14 02:59:31,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2152 to 2152. [2024-11-14 02:59:31,176 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) [2024-11-14 02:59:31,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 2152 states and 3069 transitions. [2024-11-14 02:59:31,196 INFO L78 Accepts]: Start accepts. Automaton has 2152 states and 3069 transitions. Word has length 53 [2024-11-14 02:59:31,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:59:31,196 INFO L471 AbstractCegarLoop]: Abstraction has 2152 states and 3069 transitions. [2024-11-14 02:59:31,198 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) [2024-11-14 02:59:31,198 INFO L276 IsEmpty]: Start isEmpty. Operand 2152 states and 3069 transitions. [2024-11-14 02:59:31,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-14 02:59:31,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:59:31,199 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] [2024-11-14 02:59:31,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 02:59:31,200 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)] === [2024-11-14 02:59:31,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:59:31,200 INFO L85 PathProgramCache]: Analyzing trace with hash -150181092, now seen corresponding path program 1 times [2024-11-14 02:59:31,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:59:31,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069732922] [2024-11-14 02:59:31,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:59:31,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:59:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:59:37,864 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 02:59:37,864 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:59:37,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069732922] [2024-11-14 02:59:37,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069732922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:59:37,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:59:37,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 02:59:37,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921586236] [2024-11-14 02:59:37,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:59:37,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 02:59:37,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:59:37,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 02:59:37,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 02:59:37,867 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) [2024-11-14 02:59:39,998 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 [] [2024-11-14 02:59:42,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:46,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:50,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:59:50,217 INFO L93 Difference]: Finished difference Result 2152 states and 3069 transitions. [2024-11-14 02:59:50,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 02:59:50,218 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 [2024-11-14 02:59:50,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:59:50,234 INFO L225 Difference]: With dead ends: 2152 [2024-11-14 02:59:50,234 INFO L226 Difference]: Without dead ends: 2150 [2024-11-14 02:59:50,236 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 [2024-11-14 02:59:50,237 INFO L432 NwaCegarLoop]: 2749 mSDtfsCounter, 3047 mSDsluCounter, 2749 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s 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, 12.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:59:50,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3047 Valid, 5498 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 12.1s Time] [2024-11-14 02:59:50,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2150 states. [2024-11-14 02:59:50,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2150 to 2150. [2024-11-14 02:59:50,387 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) [2024-11-14 02:59:50,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 2150 states and 3067 transitions. [2024-11-14 02:59:50,400 INFO L78 Accepts]: Start accepts. Automaton has 2150 states and 3067 transitions. Word has length 58 [2024-11-14 02:59:50,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:59:50,400 INFO L471 AbstractCegarLoop]: Abstraction has 2150 states and 3067 transitions. [2024-11-14 02:59:50,401 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) [2024-11-14 02:59:50,401 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 3067 transitions. [2024-11-14 02:59:50,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-14 02:59:50,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:59:50,403 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] [2024-11-14 02:59:50,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 02:59:50,404 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)] === [2024-11-14 02:59:50,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:59:50,405 INFO L85 PathProgramCache]: Analyzing trace with hash -2086434979, now seen corresponding path program 1 times [2024-11-14 02:59:50,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:59:50,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926928571] [2024-11-14 02:59:50,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:59:50,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:59:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:59:57,391 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 02:59:57,392 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:59:57,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926928571] [2024-11-14 02:59:57,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926928571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:59:57,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:59:57,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 02:59:57,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195867198] [2024-11-14 02:59:57,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:59:57,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 02:59:57,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:59:57,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 02:59:57,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 02:59:57,393 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) [2024-11-14 02:59:59,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:01,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:04,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:10,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:00:10,045 INFO L93 Difference]: Finished difference Result 2150 states and 3067 transitions. [2024-11-14 03:00:10,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:00:10,046 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 [2024-11-14 03:00:10,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:00:10,055 INFO L225 Difference]: With dead ends: 2150 [2024-11-14 03:00:10,055 INFO L226 Difference]: Without dead ends: 2148 [2024-11-14 03:00:10,057 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 [2024-11-14 03:00:10,057 INFO L432 NwaCegarLoop]: 2747 mSDtfsCounter, 3044 mSDsluCounter, 2747 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s 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, 12.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:00:10,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3044 Valid, 5494 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 12.4s Time] [2024-11-14 03:00:10,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2024-11-14 03:00:10,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 2148. [2024-11-14 03:00:10,222 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) [2024-11-14 03:00:10,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 2148 states and 3065 transitions. [2024-11-14 03:00:10,235 INFO L78 Accepts]: Start accepts. Automaton has 2148 states and 3065 transitions. Word has length 63 [2024-11-14 03:00:10,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:00:10,235 INFO L471 AbstractCegarLoop]: Abstraction has 2148 states and 3065 transitions. [2024-11-14 03:00:10,236 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) [2024-11-14 03:00:10,236 INFO L276 IsEmpty]: Start isEmpty. Operand 2148 states and 3065 transitions. [2024-11-14 03:00:10,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-14 03:00:10,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:00:10,239 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] [2024-11-14 03:00:10,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 03:00:10,240 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)] === [2024-11-14 03:00:10,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:00:10,240 INFO L85 PathProgramCache]: Analyzing trace with hash -525055517, now seen corresponding path program 1 times [2024-11-14 03:00:10,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:00:10,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95893333] [2024-11-14 03:00:10,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:00:10,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:00:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:00:18,098 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 03:00:18,098 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:00:18,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95893333] [2024-11-14 03:00:18,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95893333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:00:18,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:00:18,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:00:18,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247398321] [2024-11-14 03:00:18,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:00:18,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:00:18,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:00:18,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:00:18,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:00:18,100 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) [2024-11-14 03:00:20,236 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 [] [2024-11-14 03:00:22,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:24,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:26,698 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 [] [2024-11-14 03:00:40,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:00:40,072 INFO L93 Difference]: Finished difference Result 4294 states and 6142 transitions. [2024-11-14 03:00:40,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 03:00:40,072 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 [2024-11-14 03:00:40,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:00:40,084 INFO L225 Difference]: With dead ends: 4294 [2024-11-14 03:00:40,084 INFO L226 Difference]: Without dead ends: 2152 [2024-11-14 03:00:40,099 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 [2024-11-14 03:00:40,100 INFO L432 NwaCegarLoop]: 2748 mSDtfsCounter, 0 mSDsluCounter, 8239 mSDsCounter, 0 mSdLazyCounter, 1268 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10987 SdHoareTripleChecker+Invalid, 1272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1268 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2024-11-14 03:00:40,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10987 Invalid, 1272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1268 Invalid, 4 Unknown, 0 Unchecked, 21.7s Time] [2024-11-14 03:00:40,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2152 states. [2024-11-14 03:00:40,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2152 to 2152. [2024-11-14 03:00:40,294 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) [2024-11-14 03:00:40,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 2152 states and 3085 transitions. [2024-11-14 03:00:40,308 INFO L78 Accepts]: Start accepts. Automaton has 2152 states and 3085 transitions. Word has length 64 [2024-11-14 03:00:40,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:00:40,309 INFO L471 AbstractCegarLoop]: Abstraction has 2152 states and 3085 transitions. [2024-11-14 03:00:40,309 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) [2024-11-14 03:00:40,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2152 states and 3085 transitions. [2024-11-14 03:00:40,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-14 03:00:40,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:00:40,313 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] [2024-11-14 03:00:40,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 03:00:40,313 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)] === [2024-11-14 03:00:40,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:00:40,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1235248985, now seen corresponding path program 1 times [2024-11-14 03:00:40,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:00:40,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140960899] [2024-11-14 03:00:40,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:00:40,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:00:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:00:47,195 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 03:00:47,195 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:00:47,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140960899] [2024-11-14 03:00:47,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140960899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:00:47,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:00:47,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:00:47,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928142254] [2024-11-14 03:00:47,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:00:47,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:00:47,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:00:47,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:00:47,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:00:47,198 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) [2024-11-14 03:00:49,306 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 [] [2024-11-14 03:00:51,507 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 [] [2024-11-14 03:00:59,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:00:59,315 INFO L93 Difference]: Finished difference Result 2152 states and 3085 transitions. [2024-11-14 03:00:59,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:00:59,316 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 [2024-11-14 03:00:59,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:00:59,331 INFO L225 Difference]: With dead ends: 2152 [2024-11-14 03:00:59,331 INFO L226 Difference]: Without dead ends: 2150 [2024-11-14 03:00:59,332 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 [2024-11-14 03:00:59,333 INFO L432 NwaCegarLoop]: 2745 mSDtfsCounter, 3041 mSDsluCounter, 2745 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s 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, 11.9s IncrementalHoareTripleChecker+Time [2024-11-14 03:00:59,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3041 Valid, 5490 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 11.9s Time] [2024-11-14 03:00:59,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2150 states. [2024-11-14 03:00:59,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2150 to 2150. [2024-11-14 03:00:59,509 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) [2024-11-14 03:00:59,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 2150 states and 3083 transitions. [2024-11-14 03:00:59,521 INFO L78 Accepts]: Start accepts. Automaton has 2150 states and 3083 transitions. Word has length 68 [2024-11-14 03:00:59,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:00:59,521 INFO L471 AbstractCegarLoop]: Abstraction has 2150 states and 3083 transitions. [2024-11-14 03:00:59,521 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) [2024-11-14 03:00:59,522 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 3083 transitions. [2024-11-14 03:00:59,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-14 03:00:59,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:00:59,523 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] [2024-11-14 03:00:59,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-14 03:00:59,523 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)] === [2024-11-14 03:00:59,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:00:59,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1266368848, now seen corresponding path program 1 times [2024-11-14 03:00:59,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:00:59,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854978563] [2024-11-14 03:00:59,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:00:59,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:01:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:01:05,990 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 03:01:05,990 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:01:05,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854978563] [2024-11-14 03:01:05,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854978563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:01:05,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:01:05,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:01:05,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751306561] [2024-11-14 03:01:05,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:01:05,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:01:05,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:01:05,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:01:05,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:01:05,993 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) [2024-11-14 03:01:08,104 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 [] [2024-11-14 03:01:10,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:12,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:18,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:01:18,668 INFO L93 Difference]: Finished difference Result 2150 states and 3083 transitions. [2024-11-14 03:01:18,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:01:18,669 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 [2024-11-14 03:01:18,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:01:18,682 INFO L225 Difference]: With dead ends: 2150 [2024-11-14 03:01:18,682 INFO L226 Difference]: Without dead ends: 2148 [2024-11-14 03:01:18,684 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 [2024-11-14 03:01:18,684 INFO L432 NwaCegarLoop]: 2743 mSDtfsCounter, 3038 mSDsluCounter, 2743 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s 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, 12.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:01:18,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3038 Valid, 5486 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 12.4s Time] [2024-11-14 03:01:18,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2024-11-14 03:01:18,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 2148. [2024-11-14 03:01:18,865 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) [2024-11-14 03:01:18,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 2148 states and 3081 transitions. [2024-11-14 03:01:18,876 INFO L78 Accepts]: Start accepts. Automaton has 2148 states and 3081 transitions. Word has length 73 [2024-11-14 03:01:18,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:01:18,877 INFO L471 AbstractCegarLoop]: Abstraction has 2148 states and 3081 transitions. [2024-11-14 03:01:18,877 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) [2024-11-14 03:01:18,877 INFO L276 IsEmpty]: Start isEmpty. Operand 2148 states and 3081 transitions. [2024-11-14 03:01:18,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-14 03:01:18,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:01:18,879 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] [2024-11-14 03:01:18,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-14 03:01:18,879 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)] === [2024-11-14 03:01:18,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:01:18,880 INFO L85 PathProgramCache]: Analyzing trace with hash 370188445, now seen corresponding path program 1 times [2024-11-14 03:01:18,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:01:18,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460854930] [2024-11-14 03:01:18,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:01:18,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:01:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:01:27,161 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-14 03:01:27,161 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:01:27,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460854930] [2024-11-14 03:01:27,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460854930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:01:27,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:01:27,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 03:01:27,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464109792] [2024-11-14 03:01:27,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:01:27,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 03:01:27,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:01:27,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 03:01:27,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 03:01:27,163 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) [2024-11-14 03:01:29,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:31,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:33,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:35,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:02:02,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:02:02,198 INFO L93 Difference]: Finished difference Result 2148 states and 3081 transitions. [2024-11-14 03:02:02,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 03:02:02,199 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 [2024-11-14 03:02:02,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:02:02,211 INFO L225 Difference]: With dead ends: 2148 [2024-11-14 03:02:02,211 INFO L226 Difference]: Without dead ends: 2146 [2024-11-14 03:02:02,212 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 [2024-11-14 03:02:02,214 INFO L432 NwaCegarLoop]: 2742 mSDtfsCounter, 3032 mSDsluCounter, 6844 mSDsCounter, 0 mSdLazyCounter, 2643 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.0s 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, 34.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:02:02,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3034 Valid, 9586 Invalid, 2647 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2643 Invalid, 4 Unknown, 0 Unchecked, 34.5s Time] [2024-11-14 03:02:02,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2146 states. [2024-11-14 03:02:02,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2146 to 2146. [2024-11-14 03:02:02,391 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) [2024-11-14 03:02:02,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 3079 transitions. [2024-11-14 03:02:02,402 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 3079 transitions. Word has length 77 [2024-11-14 03:02:02,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:02:02,403 INFO L471 AbstractCegarLoop]: Abstraction has 2146 states and 3079 transitions. [2024-11-14 03:02:02,403 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) [2024-11-14 03:02:02,403 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 3079 transitions. [2024-11-14 03:02:02,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-14 03:02:02,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:02:02,405 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] [2024-11-14 03:02:02,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-14 03:02:02,405 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)] === [2024-11-14 03:02:02,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:02:02,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1795784128, now seen corresponding path program 1 times [2024-11-14 03:02:02,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:02:02,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249596529] [2024-11-14 03:02:02,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:02:02,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:02:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:02:08,298 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 03:02:08,298 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:02:08,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249596529] [2024-11-14 03:02:08,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249596529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:02:08,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:02:08,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:02:08,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181296391] [2024-11-14 03:02:08,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:02:08,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:02:08,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:02:08,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:02:08,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:02:08,300 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) [2024-11-14 03:02:10,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:02:12,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:02:20,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:02:20,415 INFO L93 Difference]: Finished difference Result 2146 states and 3079 transitions. [2024-11-14 03:02:20,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:02:20,416 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 [2024-11-14 03:02:20,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:02:20,428 INFO L225 Difference]: With dead ends: 2146 [2024-11-14 03:02:20,428 INFO L226 Difference]: Without dead ends: 2144 [2024-11-14 03:02:20,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:02:20,430 INFO L432 NwaCegarLoop]: 2739 mSDtfsCounter, 3033 mSDsluCounter, 2739 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s 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, 11.9s IncrementalHoareTripleChecker+Time [2024-11-14 03:02:20,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3033 Valid, 5478 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 11.9s Time] [2024-11-14 03:02:20,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2144 states. [2024-11-14 03:02:20,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2144 to 2144. [2024-11-14 03:02:20,634 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) [2024-11-14 03:02:20,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2144 states to 2144 states and 3077 transitions. [2024-11-14 03:02:20,645 INFO L78 Accepts]: Start accepts. Automaton has 2144 states and 3077 transitions. Word has length 78 [2024-11-14 03:02:20,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:02:20,646 INFO L471 AbstractCegarLoop]: Abstraction has 2144 states and 3077 transitions. [2024-11-14 03:02:20,647 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) [2024-11-14 03:02:20,647 INFO L276 IsEmpty]: Start isEmpty. Operand 2144 states and 3077 transitions. [2024-11-14 03:02:20,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-14 03:02:20,648 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:02:20,648 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] [2024-11-14 03:02:20,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-14 03:02:20,649 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)] === [2024-11-14 03:02:20,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:02:20,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1006910931, now seen corresponding path program 1 times [2024-11-14 03:02:20,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:02:20,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111780268] [2024-11-14 03:02:20,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:02:20,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:02:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:02:26,720 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-14 03:02:26,720 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:02:26,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111780268] [2024-11-14 03:02:26,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111780268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:02:26,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:02:26,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:02:26,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625598629] [2024-11-14 03:02:26,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:02:26,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:02:26,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:02:26,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:02:26,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:02:26,722 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) [2024-11-14 03:02:28,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:02:32,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:02:32,492 INFO L93 Difference]: Finished difference Result 4265 states and 6211 transitions. [2024-11-14 03:02:32,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:02:32,492 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 [2024-11-14 03:02:32,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:02:32,506 INFO L225 Difference]: With dead ends: 4265 [2024-11-14 03:02:32,506 INFO L226 Difference]: Without dead ends: 2140 [2024-11-14 03:02:32,513 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 [2024-11-14 03:02:32,514 INFO L432 NwaCegarLoop]: 2734 mSDtfsCounter, 3023 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s 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, 5.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:02:32,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3023 Valid, 2734 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 317 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-11-14 03:02:32,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2024-11-14 03:02:32,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2140. [2024-11-14 03:02:32,785 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) [2024-11-14 03:02:32,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 3072 transitions. [2024-11-14 03:02:32,803 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 3072 transitions. Word has length 80 [2024-11-14 03:02:32,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:02:32,803 INFO L471 AbstractCegarLoop]: Abstraction has 2140 states and 3072 transitions. [2024-11-14 03:02:32,803 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) [2024-11-14 03:02:32,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 3072 transitions. [2024-11-14 03:02:32,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-14 03:02:32,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:02:32,805 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] [2024-11-14 03:02:32,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-14 03:02:32,805 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)] === [2024-11-14 03:02:32,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:02:32,806 INFO L85 PathProgramCache]: Analyzing trace with hash -601752541, now seen corresponding path program 1 times [2024-11-14 03:02:32,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:02:32,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129241609] [2024-11-14 03:02:32,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:02:32,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:02:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:02:38,869 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 03:02:38,870 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:02:38,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129241609] [2024-11-14 03:02:38,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129241609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:02:38,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:02:38,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:02:38,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857645613] [2024-11-14 03:02:38,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:02:38,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:02:38,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:02:38,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:02:38,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:02:38,871 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) [2024-11-14 03:02:40,951 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 [] [2024-11-14 03:02:43,124 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 [] [2024-11-14 03:02:50,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:02:50,584 INFO L93 Difference]: Finished difference Result 2140 states and 3072 transitions. [2024-11-14 03:02:50,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:02:50,585 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 [2024-11-14 03:02:50,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:02:50,599 INFO L225 Difference]: With dead ends: 2140 [2024-11-14 03:02:50,599 INFO L226 Difference]: Without dead ends: 2138 [2024-11-14 03:02:50,601 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 [2024-11-14 03:02:50,602 INFO L432 NwaCegarLoop]: 2732 mSDtfsCounter, 3025 mSDsluCounter, 2731 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s 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, 11.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:02:50,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3025 Valid, 5463 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 634 Invalid, 2 Unknown, 0 Unchecked, 11.4s Time] [2024-11-14 03:02:50,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2138 states. [2024-11-14 03:02:50,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2138 to 2138. [2024-11-14 03:02:50,882 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) [2024-11-14 03:02:50,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2138 states to 2138 states and 3070 transitions. [2024-11-14 03:02:50,895 INFO L78 Accepts]: Start accepts. Automaton has 2138 states and 3070 transitions. Word has length 83 [2024-11-14 03:02:50,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:02:50,899 INFO L471 AbstractCegarLoop]: Abstraction has 2138 states and 3070 transitions. [2024-11-14 03:02:50,899 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) [2024-11-14 03:02:50,899 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states and 3070 transitions. [2024-11-14 03:02:50,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-14 03:02:50,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:02:50,902 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] [2024-11-14 03:02:50,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-14 03:02:50,902 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)] === [2024-11-14 03:02:50,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:02:50,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1536554118, now seen corresponding path program 1 times [2024-11-14 03:02:50,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:02:50,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272184289] [2024-11-14 03:02:50,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:02:50,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:02:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:02:57,790 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 03:02:57,790 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:02:57,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272184289] [2024-11-14 03:02:57,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272184289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:02:57,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:02:57,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:02:57,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592107577] [2024-11-14 03:02:57,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:02:57,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:02:57,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:02:57,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:02:57,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:02:57,794 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) [2024-11-14 03:02:59,895 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 [] [2024-11-14 03:03:02,070 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 [] [2024-11-14 03:03:08,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:03:08,932 INFO L93 Difference]: Finished difference Result 2138 states and 3070 transitions. [2024-11-14 03:03:08,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:03:08,932 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 [2024-11-14 03:03:08,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:03:08,944 INFO L225 Difference]: With dead ends: 2138 [2024-11-14 03:03:08,944 INFO L226 Difference]: Without dead ends: 2136 [2024-11-14 03:03:08,946 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 [2024-11-14 03:03:08,946 INFO L432 NwaCegarLoop]: 2730 mSDtfsCounter, 3021 mSDsluCounter, 2730 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s 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, 10.9s IncrementalHoareTripleChecker+Time [2024-11-14 03:03:08,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3021 Valid, 5460 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 10.9s Time] [2024-11-14 03:03:08,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2136 states. [2024-11-14 03:03:09,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2136 to 2136. [2024-11-14 03:03:09,187 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) [2024-11-14 03:03:09,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2136 states to 2136 states and 3068 transitions. [2024-11-14 03:03:09,199 INFO L78 Accepts]: Start accepts. Automaton has 2136 states and 3068 transitions. Word has length 85 [2024-11-14 03:03:09,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:03:09,200 INFO L471 AbstractCegarLoop]: Abstraction has 2136 states and 3068 transitions. [2024-11-14 03:03:09,200 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) [2024-11-14 03:03:09,200 INFO L276 IsEmpty]: Start isEmpty. Operand 2136 states and 3068 transitions. [2024-11-14 03:03:09,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-14 03:03:09,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:03:09,202 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] [2024-11-14 03:03:09,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-14 03:03:09,204 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)] === [2024-11-14 03:03:09,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:03:09,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1133865919, now seen corresponding path program 1 times [2024-11-14 03:03:09,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:03:09,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901471777] [2024-11-14 03:03:09,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:03:09,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:03:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:03:15,266 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 03:03:15,266 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:03:15,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901471777] [2024-11-14 03:03:15,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901471777] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:03:15,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:03:15,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:03:15,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096976896] [2024-11-14 03:03:15,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:03:15,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:03:15,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:03:15,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:03:15,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:03:15,268 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) [2024-11-14 03:03:17,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:03:19,522 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 [] [2024-11-14 03:03:27,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:03:27,511 INFO L93 Difference]: Finished difference Result 2136 states and 3068 transitions. [2024-11-14 03:03:27,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:03:27,512 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 [2024-11-14 03:03:27,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:03:27,523 INFO L225 Difference]: With dead ends: 2136 [2024-11-14 03:03:27,524 INFO L226 Difference]: Without dead ends: 2134 [2024-11-14 03:03:27,525 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 [2024-11-14 03:03:27,526 INFO L432 NwaCegarLoop]: 2728 mSDtfsCounter, 3020 mSDsluCounter, 2728 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s 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, 11.9s IncrementalHoareTripleChecker+Time [2024-11-14 03:03:27,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3020 Valid, 5456 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 11.9s Time] [2024-11-14 03:03:27,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2024-11-14 03:03:27,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2134. [2024-11-14 03:03:27,757 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) [2024-11-14 03:03:27,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2134 states to 2134 states and 3066 transitions. [2024-11-14 03:03:27,766 INFO L78 Accepts]: Start accepts. Automaton has 2134 states and 3066 transitions. Word has length 90 [2024-11-14 03:03:27,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:03:27,768 INFO L471 AbstractCegarLoop]: Abstraction has 2134 states and 3066 transitions. [2024-11-14 03:03:27,768 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) [2024-11-14 03:03:27,768 INFO L276 IsEmpty]: Start isEmpty. Operand 2134 states and 3066 transitions. [2024-11-14 03:03:27,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-14 03:03:27,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:03:27,770 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] [2024-11-14 03:03:27,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-14 03:03:27,771 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)] === [2024-11-14 03:03:27,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:03:27,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1355151941, now seen corresponding path program 1 times [2024-11-14 03:03:27,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:03:27,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176662322] [2024-11-14 03:03:27,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:03:27,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:03:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:03:34,166 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 03:03:34,167 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:03:34,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176662322] [2024-11-14 03:03:34,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176662322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:03:34,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:03:34,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:03:34,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668044982] [2024-11-14 03:03:34,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:03:34,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:03:34,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:03:34,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:03:34,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:03:34,168 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) [2024-11-14 03:03:36,257 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 [] [2024-11-14 03:03:38,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:03:47,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:03:47,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:03:47,232 INFO L93 Difference]: Finished difference Result 2134 states and 3066 transitions. [2024-11-14 03:03:47,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:03:47,233 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 [2024-11-14 03:03:47,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:03:47,242 INFO L225 Difference]: With dead ends: 2134 [2024-11-14 03:03:47,242 INFO L226 Difference]: Without dead ends: 2132 [2024-11-14 03:03:47,244 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 [2024-11-14 03:03:47,244 INFO L432 NwaCegarLoop]: 2725 mSDtfsCounter, 3017 mSDsluCounter, 2725 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s 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, 12.7s IncrementalHoareTripleChecker+Time [2024-11-14 03:03:47,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3017 Valid, 5450 Invalid, 637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 635 Invalid, 2 Unknown, 0 Unchecked, 12.7s Time] [2024-11-14 03:03:47,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2132 states. [2024-11-14 03:03:47,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2132 to 2132. [2024-11-14 03:03:47,430 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) [2024-11-14 03:03:47,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 3064 transitions. [2024-11-14 03:03:47,438 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 3064 transitions. Word has length 95 [2024-11-14 03:03:47,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:03:47,438 INFO L471 AbstractCegarLoop]: Abstraction has 2132 states and 3064 transitions. [2024-11-14 03:03:47,438 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) [2024-11-14 03:03:47,438 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 3064 transitions. [2024-11-14 03:03:47,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-14 03:03:47,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:03:47,440 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] [2024-11-14 03:03:47,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-14 03:03:47,440 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)] === [2024-11-14 03:03:47,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:03:47,441 INFO L85 PathProgramCache]: Analyzing trace with hash -439068845, now seen corresponding path program 1 times [2024-11-14 03:03:47,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:03:47,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180854432] [2024-11-14 03:03:47,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:03:47,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:03:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:03:53,774 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 03:03:53,774 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:03:53,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180854432] [2024-11-14 03:03:53,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180854432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:03:53,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:03:53,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:03:53,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508144733] [2024-11-14 03:03:53,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:03:53,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:03:53,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:03:53,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:03:53,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:03:53,776 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) [2024-11-14 03:03:55,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:03:58,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:05,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:04:05,190 INFO L93 Difference]: Finished difference Result 2132 states and 3064 transitions. [2024-11-14 03:04:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:04:05,191 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 [2024-11-14 03:04:05,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:04:05,203 INFO L225 Difference]: With dead ends: 2132 [2024-11-14 03:04:05,203 INFO L226 Difference]: Without dead ends: 2130 [2024-11-14 03:04:05,205 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 [2024-11-14 03:04:05,207 INFO L432 NwaCegarLoop]: 2724 mSDtfsCounter, 3014 mSDsluCounter, 2724 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s 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, 11.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:04:05,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3014 Valid, 5448 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 11.1s Time] [2024-11-14 03:04:05,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2130 states. [2024-11-14 03:04:05,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2130 to 2130. [2024-11-14 03:04:05,356 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) [2024-11-14 03:04:05,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 2130 states and 3062 transitions. [2024-11-14 03:04:05,368 INFO L78 Accepts]: Start accepts. Automaton has 2130 states and 3062 transitions. Word has length 100 [2024-11-14 03:04:05,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:04:05,369 INFO L471 AbstractCegarLoop]: Abstraction has 2130 states and 3062 transitions. [2024-11-14 03:04:05,369 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) [2024-11-14 03:04:05,369 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 3062 transitions. [2024-11-14 03:04:05,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-14 03:04:05,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:04:05,372 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] [2024-11-14 03:04:05,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-14 03:04:05,372 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)] === [2024-11-14 03:04:05,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:04:05,372 INFO L85 PathProgramCache]: Analyzing trace with hash 563248672, now seen corresponding path program 1 times [2024-11-14 03:04:05,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:04:05,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177555971] [2024-11-14 03:04:05,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:04:05,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:04:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:04:11,175 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 03:04:11,175 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:04:11,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177555971] [2024-11-14 03:04:11,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177555971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:04:11,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:04:11,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:04:11,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464563597] [2024-11-14 03:04:11,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:04:11,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:04:11,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:04:11,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:04:11,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:04:11,177 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) [2024-11-14 03:04:13,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:15,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:22,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:04:22,923 INFO L93 Difference]: Finished difference Result 2130 states and 3062 transitions. [2024-11-14 03:04:22,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:04:22,923 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 [2024-11-14 03:04:22,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:04:22,935 INFO L225 Difference]: With dead ends: 2130 [2024-11-14 03:04:22,935 INFO L226 Difference]: Without dead ends: 2128 [2024-11-14 03:04:22,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:04:22,940 INFO L432 NwaCegarLoop]: 2722 mSDtfsCounter, 3011 mSDsluCounter, 2722 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s 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, 11.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:04:22,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3011 Valid, 5444 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 11.4s Time] [2024-11-14 03:04:22,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2128 states. [2024-11-14 03:04:23,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2128 to 2128. [2024-11-14 03:04:23,200 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) [2024-11-14 03:04:23,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 2128 states and 3060 transitions. [2024-11-14 03:04:23,211 INFO L78 Accepts]: Start accepts. Automaton has 2128 states and 3060 transitions. Word has length 105 [2024-11-14 03:04:23,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:04:23,212 INFO L471 AbstractCegarLoop]: Abstraction has 2128 states and 3060 transitions. [2024-11-14 03:04:23,212 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) [2024-11-14 03:04:23,212 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 3060 transitions. [2024-11-14 03:04:23,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-14 03:04:23,214 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:04:23,214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:04:23,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-14 03:04:23,215 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)] === [2024-11-14 03:04:23,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:04:23,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1354323578, now seen corresponding path program 1 times [2024-11-14 03:04:23,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:04:23,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745501889] [2024-11-14 03:04:23,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:04:23,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:04:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:04:30,617 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 03:04:30,617 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:04:30,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745501889] [2024-11-14 03:04:30,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745501889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:04:30,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:04:30,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:04:30,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680612460] [2024-11-14 03:04:30,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:04:30,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:04:30,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:04:30,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:04:30,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:04:30,619 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) [2024-11-14 03:04:32,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:34,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:37,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:04:43,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:04:43,574 INFO L93 Difference]: Finished difference Result 2128 states and 3060 transitions. [2024-11-14 03:04:43,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:04:43,575 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 [2024-11-14 03:04:43,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:04:43,588 INFO L225 Difference]: With dead ends: 2128 [2024-11-14 03:04:43,588 INFO L226 Difference]: Without dead ends: 2126 [2024-11-14 03:04:43,589 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 [2024-11-14 03:04:43,592 INFO L432 NwaCegarLoop]: 2720 mSDtfsCounter, 3008 mSDsluCounter, 2720 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s 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, 12.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:04:43,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3008 Valid, 5440 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 12.6s Time] [2024-11-14 03:04:43,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2126 states. [2024-11-14 03:04:43,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2126 to 2126. [2024-11-14 03:04:43,909 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) [2024-11-14 03:04:43,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2126 states to 2126 states and 3058 transitions. [2024-11-14 03:04:43,920 INFO L78 Accepts]: Start accepts. Automaton has 2126 states and 3058 transitions. Word has length 110 [2024-11-14 03:04:43,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:04:43,920 INFO L471 AbstractCegarLoop]: Abstraction has 2126 states and 3058 transitions. [2024-11-14 03:04:43,920 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) [2024-11-14 03:04:43,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2126 states and 3058 transitions. [2024-11-14 03:04:43,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-14 03:04:43,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:04:43,924 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] [2024-11-14 03:04:43,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-14 03:04:43,924 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)] === [2024-11-14 03:04:43,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:04:43,924 INFO L85 PathProgramCache]: Analyzing trace with hash 466399373, now seen corresponding path program 1 times [2024-11-14 03:04:43,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:04:43,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670318192] [2024-11-14 03:04:43,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:04:43,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:04:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:04:51,609 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 03:04:51,609 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:04:51,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670318192] [2024-11-14 03:04:51,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670318192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:04:51,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:04:51,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:04:51,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609089892] [2024-11-14 03:04:51,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:04:51,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:04:51,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:04:51,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:04:51,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:04:51,611 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) [2024-11-14 03:04:53,746 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 [] [2024-11-14 03:04:55,936 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 [] [2024-11-14 03:05:03,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:05:03,490 INFO L93 Difference]: Finished difference Result 2126 states and 3058 transitions. [2024-11-14 03:05:03,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:05:03,494 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 [2024-11-14 03:05:03,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:05:03,502 INFO L225 Difference]: With dead ends: 2126 [2024-11-14 03:05:03,502 INFO L226 Difference]: Without dead ends: 2124 [2024-11-14 03:05:03,503 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 [2024-11-14 03:05:03,506 INFO L432 NwaCegarLoop]: 2718 mSDtfsCounter, 3005 mSDsluCounter, 2718 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s 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, 11.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:05:03,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3005 Valid, 5436 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 11.5s Time] [2024-11-14 03:05:03,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2124 states. [2024-11-14 03:05:03,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2124 to 2124. [2024-11-14 03:05:03,787 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) [2024-11-14 03:05:03,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2124 states to 2124 states and 3056 transitions. [2024-11-14 03:05:03,795 INFO L78 Accepts]: Start accepts. Automaton has 2124 states and 3056 transitions. Word has length 115 [2024-11-14 03:05:03,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:05:03,795 INFO L471 AbstractCegarLoop]: Abstraction has 2124 states and 3056 transitions. [2024-11-14 03:05:03,795 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) [2024-11-14 03:05:03,795 INFO L276 IsEmpty]: Start isEmpty. Operand 2124 states and 3056 transitions. [2024-11-14 03:05:03,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-14 03:05:03,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:05:03,798 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] [2024-11-14 03:05:03,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-14 03:05:03,798 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)] === [2024-11-14 03:05:03,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:05:03,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1704770041, now seen corresponding path program 1 times [2024-11-14 03:05:03,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:05:03,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702414274] [2024-11-14 03:05:03,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:05:03,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:05:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:05:12,671 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-14 03:05:12,672 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:05:12,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702414274] [2024-11-14 03:05:12,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702414274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:05:12,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:05:12,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:05:12,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484769011] [2024-11-14 03:05:12,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:05:12,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:05:12,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:05:12,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:05:12,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:05:12,673 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) [2024-11-14 03:05:14,754 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 [] [2024-11-14 03:05:16,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:05:19,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:05:32,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:05:32,017 INFO L93 Difference]: Finished difference Result 2127 states and 3058 transitions. [2024-11-14 03:05:32,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 03:05:32,018 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 [2024-11-14 03:05:32,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:05:32,028 INFO L225 Difference]: With dead ends: 2127 [2024-11-14 03:05:32,028 INFO L226 Difference]: Without dead ends: 2125 [2024-11-14 03:05:32,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 03:05:32,031 INFO L432 NwaCegarLoop]: 2714 mSDtfsCounter, 2934 mSDsluCounter, 5468 mSDsCounter, 0 mSdLazyCounter, 965 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s 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, 18.9s IncrementalHoareTripleChecker+Time [2024-11-14 03:05:32,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2935 Valid, 8182 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 965 Invalid, 3 Unknown, 0 Unchecked, 18.9s Time] [2024-11-14 03:05:32,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2125 states. [2024-11-14 03:05:32,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2125 to 2125. [2024-11-14 03:05:32,347 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) [2024-11-14 03:05:32,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 3056 transitions. [2024-11-14 03:05:32,358 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 3056 transitions. Word has length 140 [2024-11-14 03:05:32,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:05:32,358 INFO L471 AbstractCegarLoop]: Abstraction has 2125 states and 3056 transitions. [2024-11-14 03:05:32,358 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) [2024-11-14 03:05:32,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 3056 transitions. [2024-11-14 03:05:32,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-14 03:05:32,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:05:32,362 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] [2024-11-14 03:05:32,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-14 03:05:32,363 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)] === [2024-11-14 03:05:32,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:05:32,363 INFO L85 PathProgramCache]: Analyzing trace with hash 2143344707, now seen corresponding path program 1 times [2024-11-14 03:05:32,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:05:32,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138998390] [2024-11-14 03:05:32,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:05:32,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:05:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:05:39,461 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 03:05:39,461 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:05:39,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138998390] [2024-11-14 03:05:39,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138998390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:05:39,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:05:39,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:05:39,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389885593] [2024-11-14 03:05:39,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:05:39,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:05:39,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:05:39,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:05:39,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:05:39,463 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) [2024-11-14 03:05:41,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:05:43,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:05:46,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:05:47,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:05:53,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:05:53,628 INFO L93 Difference]: Finished difference Result 2125 states and 3056 transitions. [2024-11-14 03:05:53,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:05:53,628 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 [2024-11-14 03:05:53,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:05:53,638 INFO L225 Difference]: With dead ends: 2125 [2024-11-14 03:05:53,639 INFO L226 Difference]: Without dead ends: 2123 [2024-11-14 03:05:53,641 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 [2024-11-14 03:05:53,642 INFO L432 NwaCegarLoop]: 2714 mSDtfsCounter, 3000 mSDsluCounter, 2714 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s 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, 13.8s IncrementalHoareTripleChecker+Time [2024-11-14 03:05:53,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3000 Valid, 5428 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 13.8s Time] [2024-11-14 03:05:53,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2024-11-14 03:05:53,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 2123. [2024-11-14 03:05:53,981 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) [2024-11-14 03:05:53,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 3054 transitions. [2024-11-14 03:05:53,995 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 3054 transitions. Word has length 120 [2024-11-14 03:05:53,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:05:53,995 INFO L471 AbstractCegarLoop]: Abstraction has 2123 states and 3054 transitions. [2024-11-14 03:05:53,996 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) [2024-11-14 03:05:53,996 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 3054 transitions. [2024-11-14 03:05:54,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-14 03:05:54,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:05:54,002 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] [2024-11-14 03:05:54,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-14 03:05:54,002 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)] === [2024-11-14 03:05:54,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:05:54,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1492385620, now seen corresponding path program 1 times [2024-11-14 03:05:54,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:05:54,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712348185] [2024-11-14 03:05:54,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:05:54,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:06:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:06:01,159 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 03:06:01,159 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:06:01,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712348185] [2024-11-14 03:06:01,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712348185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:06:01,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:06:01,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:06:01,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148796878] [2024-11-14 03:06:01,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:06:01,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:06:01,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:06:01,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:06:01,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:06:01,161 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) [2024-11-14 03:06:03,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:06:05,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:06:07,929 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 [] [2024-11-14 03:06:14,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:06:14,318 INFO L93 Difference]: Finished difference Result 2123 states and 3054 transitions. [2024-11-14 03:06:14,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:06:14,318 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 [2024-11-14 03:06:14,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:06:14,327 INFO L225 Difference]: With dead ends: 2123 [2024-11-14 03:06:14,328 INFO L226 Difference]: Without dead ends: 2121 [2024-11-14 03:06:14,329 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 [2024-11-14 03:06:14,329 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, 12.8s IncrementalHoareTripleChecker+Time [2024-11-14 03:06:14,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2997 Valid, 5424 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 12.8s Time] [2024-11-14 03:06:14,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2121 states. [2024-11-14 03:06:14,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2121 to 2121. [2024-11-14 03:06:14,669 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) [2024-11-14 03:06:14,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 2121 states and 3052 transitions. [2024-11-14 03:06:14,681 INFO L78 Accepts]: Start accepts. Automaton has 2121 states and 3052 transitions. Word has length 125 [2024-11-14 03:06:14,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:06:14,682 INFO L471 AbstractCegarLoop]: Abstraction has 2121 states and 3052 transitions. [2024-11-14 03:06:14,682 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) [2024-11-14 03:06:14,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 3052 transitions. [2024-11-14 03:06:14,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-14 03:06:14,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:06:14,687 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] [2024-11-14 03:06:14,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-14 03:06:14,687 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)] === [2024-11-14 03:06:14,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:06:14,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1300386239, now seen corresponding path program 1 times [2024-11-14 03:06:14,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:06:14,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799399267] [2024-11-14 03:06:14,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:06:14,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:06:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:06:23,313 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2024-11-14 03:06:23,313 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:06:23,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799399267] [2024-11-14 03:06:23,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799399267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:06:23,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:06:23,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:06:23,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532540791] [2024-11-14 03:06:23,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:06:23,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:06:23,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:06:23,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:06:23,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:06:23,316 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) [2024-11-14 03:06:25,401 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 [] [2024-11-14 03:06:27,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:06:29,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:06:33,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:06:42,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:06:42,921 INFO L93 Difference]: Finished difference Result 2180 states and 3107 transitions. [2024-11-14 03:06:42,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 03:06:42,921 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 [2024-11-14 03:06:42,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:06:42,931 INFO L225 Difference]: With dead ends: 2180 [2024-11-14 03:06:42,931 INFO L226 Difference]: Without dead ends: 2178 [2024-11-14 03:06:42,933 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 [2024-11-14 03:06:42,934 INFO L432 NwaCegarLoop]: 2740 mSDtfsCounter, 2893 mSDsluCounter, 5591 mSDsCounter, 0 mSdLazyCounter, 985 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2894 SdHoareTripleChecker+Valid, 8331 SdHoareTripleChecker+Invalid, 989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 985 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:06:42,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2894 Valid, 8331 Invalid, 989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 985 Invalid, 3 Unknown, 0 Unchecked, 19.1s Time] [2024-11-14 03:06:42,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2178 states. [2024-11-14 03:06:43,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2178 to 2176. [2024-11-14 03:06:43,297 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) [2024-11-14 03:06:43,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 2176 states and 3104 transitions. [2024-11-14 03:06:43,310 INFO L78 Accepts]: Start accepts. Automaton has 2176 states and 3104 transitions. Word has length 153 [2024-11-14 03:06:43,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:06:43,310 INFO L471 AbstractCegarLoop]: Abstraction has 2176 states and 3104 transitions. [2024-11-14 03:06:43,311 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) [2024-11-14 03:06:43,311 INFO L276 IsEmpty]: Start isEmpty. Operand 2176 states and 3104 transitions. [2024-11-14 03:06:43,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-14 03:06:43,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:06:43,315 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:06:43,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-14 03:06:43,315 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)] === [2024-11-14 03:06:43,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:06:43,317 INFO L85 PathProgramCache]: Analyzing trace with hash 708066081, now seen corresponding path program 1 times [2024-11-14 03:06:43,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:06:43,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995028142] [2024-11-14 03:06:43,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:06:43,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:06:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:06:50,082 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 03:06:50,082 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:06:50,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995028142] [2024-11-14 03:06:50,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995028142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:06:50,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:06:50,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:06:50,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392397176] [2024-11-14 03:06:50,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:06:50,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:06:50,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:06:50,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:06:50,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:06:50,084 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) [2024-11-14 03:06:52,172 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 [] [2024-11-14 03:06:54,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:06:56,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:07:02,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:07:02,852 INFO L93 Difference]: Finished difference Result 2176 states and 3104 transitions. [2024-11-14 03:07:02,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:07:02,853 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 [2024-11-14 03:07:02,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:07:02,860 INFO L225 Difference]: With dead ends: 2176 [2024-11-14 03:07:02,860 INFO L226 Difference]: Without dead ends: 2174 [2024-11-14 03:07:02,861 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 [2024-11-14 03:07:02,862 INFO L432 NwaCegarLoop]: 2710 mSDtfsCounter, 2994 mSDsluCounter, 2710 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s 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, 12.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:07:02,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2994 Valid, 5420 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 12.4s Time] [2024-11-14 03:07:02,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2174 states. [2024-11-14 03:07:03,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2174 to 2174. [2024-11-14 03:07:03,287 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) [2024-11-14 03:07:03,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 2174 states and 3102 transitions. [2024-11-14 03:07:03,298 INFO L78 Accepts]: Start accepts. Automaton has 2174 states and 3102 transitions. Word has length 130 [2024-11-14 03:07:03,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:07:03,299 INFO L471 AbstractCegarLoop]: Abstraction has 2174 states and 3102 transitions. [2024-11-14 03:07:03,299 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) [2024-11-14 03:07:03,299 INFO L276 IsEmpty]: Start isEmpty. Operand 2174 states and 3102 transitions. [2024-11-14 03:07:03,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-14 03:07:03,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:07:03,302 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] [2024-11-14 03:07:03,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-14 03:07:03,303 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)] === [2024-11-14 03:07:03,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:07:03,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1516925483, now seen corresponding path program 1 times [2024-11-14 03:07:03,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:07:03,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789599357] [2024-11-14 03:07:03,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:07:03,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:07:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:07:11,749 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 03:07:11,749 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:07:11,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789599357] [2024-11-14 03:07:11,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789599357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:07:11,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:07:11,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:07:11,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559067732] [2024-11-14 03:07:11,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:07:11,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:07:11,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:07:11,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:07:11,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:07:11,751 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) [2024-11-14 03:07:13,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:07:16,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:07:23,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:07:23,615 INFO L93 Difference]: Finished difference Result 2174 states and 3102 transitions. [2024-11-14 03:07:23,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:07:23,616 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 [2024-11-14 03:07:23,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:07:23,626 INFO L225 Difference]: With dead ends: 2174 [2024-11-14 03:07:23,626 INFO L226 Difference]: Without dead ends: 2172 [2024-11-14 03:07:23,628 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 [2024-11-14 03:07:23,628 INFO L432 NwaCegarLoop]: 2708 mSDtfsCounter, 2991 mSDsluCounter, 2708 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s 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, 11.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:07:23,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2991 Valid, 5416 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 11.4s Time] [2024-11-14 03:07:23,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2172 states. [2024-11-14 03:07:23,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2172 to 2172. [2024-11-14 03:07:23,995 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) [2024-11-14 03:07:24,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 2172 states and 3100 transitions. [2024-11-14 03:07:24,006 INFO L78 Accepts]: Start accepts. Automaton has 2172 states and 3100 transitions. Word has length 135 [2024-11-14 03:07:24,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:07:24,007 INFO L471 AbstractCegarLoop]: Abstraction has 2172 states and 3100 transitions. [2024-11-14 03:07:24,007 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) [2024-11-14 03:07:24,007 INFO L276 IsEmpty]: Start isEmpty. Operand 2172 states and 3100 transitions. [2024-11-14 03:07:24,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-14 03:07:24,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:07:24,010 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] [2024-11-14 03:07:24,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-14 03:07:24,011 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)] === [2024-11-14 03:07:24,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:07:24,011 INFO L85 PathProgramCache]: Analyzing trace with hash -445451102, now seen corresponding path program 1 times [2024-11-14 03:07:24,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:07:24,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724203647] [2024-11-14 03:07:24,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:07:24,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:07:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:07:31,109 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-14 03:07:31,109 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:07:31,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724203647] [2024-11-14 03:07:31,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724203647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:07:31,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:07:31,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:07:31,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123853946] [2024-11-14 03:07:31,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:07:31,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:07:31,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:07:31,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:07:31,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:07:31,112 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) [2024-11-14 03:07:33,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:07:35,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:07:37,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:07:39,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:07:43,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:07:54,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:07:54,961 INFO L93 Difference]: Finished difference Result 2172 states and 3100 transitions. [2024-11-14 03:07:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 03:07:54,961 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 [2024-11-14 03:07:54,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:07:54,969 INFO L225 Difference]: With dead ends: 2172 [2024-11-14 03:07:54,970 INFO L226 Difference]: Without dead ends: 2170 [2024-11-14 03:07:54,971 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 [2024-11-14 03:07:54,971 INFO L432 NwaCegarLoop]: 2705 mSDtfsCounter, 43 mSDsluCounter, 8067 mSDsCounter, 0 mSdLazyCounter, 1272 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.3s 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, 23.3s IncrementalHoareTripleChecker+Time [2024-11-14 03:07:54,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 10772 Invalid, 1276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1272 Invalid, 4 Unknown, 0 Unchecked, 23.3s Time] [2024-11-14 03:07:54,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2170 states. [2024-11-14 03:07:55,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2170 to 2170. [2024-11-14 03:07:55,221 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) [2024-11-14 03:07:55,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 2170 states and 3098 transitions. [2024-11-14 03:07:55,228 INFO L78 Accepts]: Start accepts. Automaton has 2170 states and 3098 transitions. Word has length 169 [2024-11-14 03:07:55,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:07:55,229 INFO L471 AbstractCegarLoop]: Abstraction has 2170 states and 3098 transitions. [2024-11-14 03:07:55,229 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) [2024-11-14 03:07:55,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2170 states and 3098 transitions. [2024-11-14 03:07:55,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-14 03:07:55,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:07:55,231 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] [2024-11-14 03:07:55,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-14 03:07:55,231 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)] === [2024-11-14 03:07:55,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:07:55,231 INFO L85 PathProgramCache]: Analyzing trace with hash -205125408, now seen corresponding path program 1 times [2024-11-14 03:07:55,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:07:55,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030095755] [2024-11-14 03:07:55,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:07:55,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:08:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:08:01,532 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 03:08:01,532 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:08:01,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030095755] [2024-11-14 03:08:01,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030095755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:08:01,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:08:01,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:08:01,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754244195] [2024-11-14 03:08:01,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:08:01,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:08:01,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:08:01,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:08:01,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:08:01,534 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) [2024-11-14 03:08:03,616 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 [] [2024-11-14 03:08:05,796 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 [] [2024-11-14 03:08:13,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:08:13,328 INFO L93 Difference]: Finished difference Result 2170 states and 3098 transitions. [2024-11-14 03:08:13,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:08:13,329 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 [2024-11-14 03:08:13,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:08:13,334 INFO L225 Difference]: With dead ends: 2170 [2024-11-14 03:08:13,334 INFO L226 Difference]: Without dead ends: 2168 [2024-11-14 03:08:13,335 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 [2024-11-14 03:08:13,335 INFO L432 NwaCegarLoop]: 2704 mSDtfsCounter, 2986 mSDsluCounter, 2704 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s 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, 11.3s IncrementalHoareTripleChecker+Time [2024-11-14 03:08:13,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2986 Valid, 5408 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 11.3s Time] [2024-11-14 03:08:13,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2168 states. [2024-11-14 03:08:13,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2168 to 2168. [2024-11-14 03:08:13,542 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) [2024-11-14 03:08:13,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 2168 states and 3096 transitions. [2024-11-14 03:08:13,549 INFO L78 Accepts]: Start accepts. Automaton has 2168 states and 3096 transitions. Word has length 140 [2024-11-14 03:08:13,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:08:13,550 INFO L471 AbstractCegarLoop]: Abstraction has 2168 states and 3096 transitions. [2024-11-14 03:08:13,550 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) [2024-11-14 03:08:13,550 INFO L276 IsEmpty]: Start isEmpty. Operand 2168 states and 3096 transitions. [2024-11-14 03:08:13,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-14 03:08:13,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:08:13,552 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] [2024-11-14 03:08:13,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-14 03:08:13,552 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)] === [2024-11-14 03:08:13,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:08:13,553 INFO L85 PathProgramCache]: Analyzing trace with hash -238094005, now seen corresponding path program 1 times [2024-11-14 03:08:13,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:08:13,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395586132] [2024-11-14 03:08:13,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:08:13,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:08:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:08:20,903 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2024-11-14 03:08:20,903 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:08:20,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395586132] [2024-11-14 03:08:20,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395586132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:08:20,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:08:20,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-14 03:08:20,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184984652] [2024-11-14 03:08:20,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:08:20,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 03:08:20,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:08:20,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 03:08:20,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-14 03:08:20,906 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) [2024-11-14 03:08:22,989 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 [] [2024-11-14 03:08:25,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:08:27,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:08:29,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:08:31,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:08:33,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:08:36,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:08:41,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:09:00,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:09:00,879 INFO L93 Difference]: Finished difference Result 4012 states and 5696 transitions. [2024-11-14 03:09:00,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 03:09:00,879 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 183 [2024-11-14 03:09:00,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:09:00,892 INFO L225 Difference]: With dead ends: 4012 [2024-11-14 03:09:00,893 INFO L226 Difference]: Without dead ends: 2182 [2024-11-14 03:09:00,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-14 03:09:00,902 INFO L432 NwaCegarLoop]: 2707 mSDtfsCounter, 5 mSDsluCounter, 16237 mSDsCounter, 0 mSdLazyCounter, 2230 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 18944 SdHoareTripleChecker+Invalid, 2237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2230 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:09:00,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 18944 Invalid, 2237 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2230 Invalid, 7 Unknown, 0 Unchecked, 39.5s Time] [2024-11-14 03:09:00,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2182 states. [2024-11-14 03:09:01,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2182 to 2174. [2024-11-14 03:09:01,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2174 states, 1321 states have (on average 1.2755488266464798) internal successors, (1685), 1376 states have internal predecessors, (1685), 701 states have call successors, (701), 146 states have call predecessors, (701), 147 states have return successors, (724), 685 states have call predecessors, (724), 699 states have call successors, (724) [2024-11-14 03:09:01,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 2174 states and 3110 transitions. [2024-11-14 03:09:01,307 INFO L78 Accepts]: Start accepts. Automaton has 2174 states and 3110 transitions. Word has length 183 [2024-11-14 03:09:01,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:09:01,308 INFO L471 AbstractCegarLoop]: Abstraction has 2174 states and 3110 transitions. [2024-11-14 03:09:01,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2024-11-14 03:09:01,308 INFO L276 IsEmpty]: Start isEmpty. Operand 2174 states and 3110 transitions. [2024-11-14 03:09:01,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-14 03:09:01,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:09:01,312 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, 1, 1, 1, 1, 1] [2024-11-14 03:09:01,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-14 03:09:01,312 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_linux_usb_urb_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)] === [2024-11-14 03:09:01,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:09:01,313 INFO L85 PathProgramCache]: Analyzing trace with hash -23759397, now seen corresponding path program 1 times [2024-11-14 03:09:01,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:09:01,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037690652] [2024-11-14 03:09:01,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:09:01,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:09:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:09:07,570 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 03:09:07,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:09:07,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037690652] [2024-11-14 03:09:07,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037690652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:09:07,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:09:07,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:09:07,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369125184] [2024-11-14 03:09:07,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:09:07,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:09:07,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:09:07,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:09:07,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:09:07,572 INFO L87 Difference]: Start difference. First operand 2174 states and 3110 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-14 03:09:09,658 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 [] [2024-11-14 03:09:11,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:09:14,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:09:19,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:09:19,502 INFO L93 Difference]: Finished difference Result 2174 states and 3110 transitions. [2024-11-14 03:09:19,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:09:19,503 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 145 [2024-11-14 03:09:19,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:09:19,512 INFO L225 Difference]: With dead ends: 2174 [2024-11-14 03:09:19,513 INFO L226 Difference]: Without dead ends: 2047 [2024-11-14 03:09:19,515 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 [2024-11-14 03:09:19,516 INFO L432 NwaCegarLoop]: 2703 mSDtfsCounter, 2983 mSDsluCounter, 2703 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2983 SdHoareTripleChecker+Valid, 5406 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:09:19,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2983 Valid, 5406 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 631 Invalid, 2 Unknown, 0 Unchecked, 11.5s Time] [2024-11-14 03:09:19,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2047 states. [2024-11-14 03:09:19,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2047 to 2047. [2024-11-14 03:09:19,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2047 states, 1256 states have (on average 1.2874203821656052) internal successors, (1617), 1309 states have internal predecessors, (1617), 659 states have call successors, (659), 126 states have call predecessors, (659), 128 states have return successors, (684), 645 states have call predecessors, (684), 659 states have call successors, (684) [2024-11-14 03:09:19,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 2047 states and 2960 transitions. [2024-11-14 03:09:19,833 INFO L78 Accepts]: Start accepts. Automaton has 2047 states and 2960 transitions. Word has length 145 [2024-11-14 03:09:19,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:09:19,833 INFO L471 AbstractCegarLoop]: Abstraction has 2047 states and 2960 transitions. [2024-11-14 03:09:19,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-14 03:09:19,834 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 2960 transitions. [2024-11-14 03:09:19,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-14 03:09:19,837 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:09:19,837 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 8, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:09:19,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-14 03:09:19,838 INFO L396 AbstractCegarLoop]: === Iteration 33 === 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)] === [2024-11-14 03:09:19,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:09:19,838 INFO L85 PathProgramCache]: Analyzing trace with hash -706915835, now seen corresponding path program 1 times [2024-11-14 03:09:19,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:09:19,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015904092] [2024-11-14 03:09:19,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:09:19,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:09:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:09:28,882 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2024-11-14 03:09:28,883 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:09:28,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015904092] [2024-11-14 03:09:28,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015904092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:09:28,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:09:28,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 03:09:28,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294443115] [2024-11-14 03:09:28,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:09:28,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 03:09:28,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:09:28,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 03:09:28,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 03:09:28,885 INFO L87 Difference]: Start difference. First operand 2047 states and 2960 transitions. Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-14 03:09:31,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:09:33,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:09:35,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:09:37,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:10:02,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:10:02,056 INFO L93 Difference]: Finished difference Result 3760 states and 5431 transitions. [2024-11-14 03:10:02,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 03:10:02,057 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 196 [2024-11-14 03:10:02,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:10:02,065 INFO L225 Difference]: With dead ends: 3760 [2024-11-14 03:10:02,065 INFO L226 Difference]: Without dead ends: 2043 [2024-11-14 03:10:02,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:10:02,074 INFO L432 NwaCegarLoop]: 2571 mSDtfsCounter, 2817 mSDsluCounter, 6410 mSDsCounter, 0 mSdLazyCounter, 2480 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2819 SdHoareTripleChecker+Valid, 8981 SdHoareTripleChecker+Invalid, 2484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2480 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:10:02,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2819 Valid, 8981 Invalid, 2484 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2480 Invalid, 4 Unknown, 0 Unchecked, 32.4s Time] [2024-11-14 03:10:02,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2043 states. [2024-11-14 03:10:02,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2043 to 2043. [2024-11-14 03:10:02,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2043 states, 1253 states have (on average 1.286512370311253) internal successors, (1612), 1305 states have internal predecessors, (1612), 659 states have call successors, (659), 126 states have call predecessors, (659), 128 states have return successors, (684), 645 states have call predecessors, (684), 659 states have call successors, (684) [2024-11-14 03:10:02,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2043 states to 2043 states and 2955 transitions. [2024-11-14 03:10:02,456 INFO L78 Accepts]: Start accepts. Automaton has 2043 states and 2955 transitions. Word has length 196 [2024-11-14 03:10:02,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:10:02,456 INFO L471 AbstractCegarLoop]: Abstraction has 2043 states and 2955 transitions. [2024-11-14 03:10:02,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-14 03:10:02,456 INFO L276 IsEmpty]: Start isEmpty. Operand 2043 states and 2955 transitions. [2024-11-14 03:10:02,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-14 03:10:02,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:10:02,462 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 5, 3, 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, 1] [2024-11-14 03:10:02,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-14 03:10:02,463 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-14 03:10:02,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:10:02,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1642309524, now seen corresponding path program 1 times [2024-11-14 03:10:02,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:10:02,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884521628] [2024-11-14 03:10:02,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:10:02,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:10:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:10:10,198 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2024-11-14 03:10:10,198 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:10:10,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884521628] [2024-11-14 03:10:10,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884521628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:10:10,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:10:10,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:10:10,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067765800] [2024-11-14 03:10:10,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:10:10,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:10:10,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:10:10,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:10:10,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:10:10,200 INFO L87 Difference]: Start difference. First operand 2043 states and 2955 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-14 03:10:12,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:10:14,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:10:16,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:10:18,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:10:32,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:10:32,959 INFO L93 Difference]: Finished difference Result 2045 states and 2956 transitions. [2024-11-14 03:10:32,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 03:10:32,960 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 171 [2024-11-14 03:10:32,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:10:32,968 INFO L225 Difference]: With dead ends: 2045 [2024-11-14 03:10:32,968 INFO L226 Difference]: Without dead ends: 2043 [2024-11-14 03:10:32,970 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 [2024-11-14 03:10:32,970 INFO L432 NwaCegarLoop]: 2578 mSDtfsCounter, 123 mSDsluCounter, 7647 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 10225 SdHoareTripleChecker+Invalid, 1212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1208 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:10:32,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 10225 Invalid, 1212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1208 Invalid, 4 Unknown, 0 Unchecked, 22.2s Time] [2024-11-14 03:10:32,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2043 states. [2024-11-14 03:10:33,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2043 to 2043. [2024-11-14 03:10:33,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2043 states, 1253 states have (on average 1.2857142857142858) internal successors, (1611), 1305 states have internal predecessors, (1611), 659 states have call successors, (659), 126 states have call predecessors, (659), 128 states have return successors, (684), 645 states have call predecessors, (684), 659 states have call successors, (684) [2024-11-14 03:10:33,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2043 states to 2043 states and 2954 transitions. [2024-11-14 03:10:33,329 INFO L78 Accepts]: Start accepts. Automaton has 2043 states and 2954 transitions. Word has length 171 [2024-11-14 03:10:33,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:10:33,330 INFO L471 AbstractCegarLoop]: Abstraction has 2043 states and 2954 transitions. [2024-11-14 03:10:33,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-14 03:10:33,330 INFO L276 IsEmpty]: Start isEmpty. Operand 2043 states and 2954 transitions. [2024-11-14 03:10:33,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-14 03:10:33,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:10:33,333 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 8, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:10:33,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-14 03:10:33,333 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_check_alloc_nonatomicErr1ASSERT_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)] === [2024-11-14 03:10:33,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:10:33,334 INFO L85 PathProgramCache]: Analyzing trace with hash -439184218, now seen corresponding path program 1 times [2024-11-14 03:10:33,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:10:33,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451186111] [2024-11-14 03:10:33,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:10:33,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:10:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:10:39,515 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-14 03:10:39,516 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:10:39,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451186111] [2024-11-14 03:10:39,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451186111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:10:39,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:10:39,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:10:39,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945537133] [2024-11-14 03:10:39,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:10:39,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:10:39,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:10:39,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:10:39,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:10:39,518 INFO L87 Difference]: Start difference. First operand 2043 states and 2954 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, (34), 2 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-14 03:10:41,638 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 []