./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890ed5aa-a697-493b-a902-84aa2b1eda13/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890ed5aa-a697-493b-a902-84aa2b1eda13/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890ed5aa-a697-493b-a902-84aa2b1eda13/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890ed5aa-a697-493b-a902-84aa2b1eda13/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890ed5aa-a697-493b-a902-84aa2b1eda13/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890ed5aa-a697-493b-a902-84aa2b1eda13/bin/utaipan-verify-NcY6lQBIFX --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 ebed12b86dce507000a7a0630996a9595573172c73db75fed69855441af252c1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:47:03,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:47:03,937 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890ed5aa-a697-493b-a902-84aa2b1eda13/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:47:03,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:47:03,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:47:03,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:47:03,974 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:47:03,975 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:47:03,976 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:47:03,976 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:47:03,977 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:47:03,977 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:47:03,978 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:47:03,979 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:47:03,979 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:47:03,980 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:47:03,980 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:47:03,981 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:47:03,981 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:47:03,982 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:47:03,982 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:47:03,989 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:47:03,989 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:47:03,990 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:47:03,990 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:47:03,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:47:03,991 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:47:03,991 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:47:03,992 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:47:03,993 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:47:03,994 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:47:03,994 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:47:03,995 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:47:03,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:47:03,995 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:47:03,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:47:03,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:47:03,997 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:47:03,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:47:03,998 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:47:03,998 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:47:04,000 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:47:04,000 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890ed5aa-a697-493b-a902-84aa2b1eda13/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890ed5aa-a697-493b-a902-84aa2b1eda13/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebed12b86dce507000a7a0630996a9595573172c73db75fed69855441af252c1 [2023-11-12 00:47:04,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:47:04,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:47:04,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:47:04,286 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:47:04,287 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:47:04,288 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890ed5aa-a697-493b-a902-84aa2b1eda13/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i [2023-11-12 00:47:07,517 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:47:08,207 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:47:08,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890ed5aa-a697-493b-a902-84aa2b1eda13/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i [2023-11-12 00:47:08,280 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890ed5aa-a697-493b-a902-84aa2b1eda13/bin/utaipan-verify-NcY6lQBIFX/data/bbfbf2bce/8810b20b500047f8acbe20f5f8b687da/FLAG5d242b9fd [2023-11-12 00:47:08,298 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890ed5aa-a697-493b-a902-84aa2b1eda13/bin/utaipan-verify-NcY6lQBIFX/data/bbfbf2bce/8810b20b500047f8acbe20f5f8b687da [2023-11-12 00:47:08,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:47:08,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:47:08,311 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:47:08,311 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:47:08,318 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:47:08,318 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:47:08" (1/1) ... [2023-11-12 00:47:08,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5c1fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:08, skipping insertion in model container [2023-11-12 00:47:08,320 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:47:08" (1/1) ... [2023-11-12 00:47:08,587 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:47:12,570 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890ed5aa-a697-493b-a902-84aa2b1eda13/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402143,402156] [2023-11-12 00:47:12,575 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890ed5aa-a697-493b-a902-84aa2b1eda13/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402312,402325] [2023-11-12 00:47:12,576 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890ed5aa-a697-493b-a902-84aa2b1eda13/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402479,402492] [2023-11-12 00:47:12,576 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890ed5aa-a697-493b-a902-84aa2b1eda13/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402647,402660] [2023-11-12 00:47:12,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:47:12,675 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:47:12,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6019] [2023-11-12 00:47:12,808 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6022] [2023-11-12 00:47:12,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6025] [2023-11-12 00:47:12,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6028] [2023-11-12 00:47:12,853 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; incl %0": "+m" (v->counter)); [7015] [2023-11-12 00:47:12,854 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; decl %0": "+m" (v->counter)); [7022] [2023-11-12 00:47:12,854 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7029] [2023-11-12 00:47:12,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"fs/autofs4/root.c"), "i" (535), "i" (12UL)); [8347-8348] [2023-11-12 00:47:12,974 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"fs/autofs4/root.c"), "i" (718), "i" (12UL)); [8654-8655] [2023-11-12 00:47:12,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (p), "i" (4UL)); [8707-8708] [2023-11-12 00:47:12,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8738] [2023-11-12 00:47:12,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8741] [2023-11-12 00:47:12,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8744] [2023-11-12 00:47:12,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8747] [2023-11-12 00:47:12,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8750] [2023-11-12 00:47:12,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (p), "i" (8UL)); [8780-8781] [2023-11-12 00:47:12,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8811] [2023-11-12 00:47:12,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8814] [2023-11-12 00:47:12,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8817] [2023-11-12 00:47:12,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8820] [2023-11-12 00:47:12,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8823] [2023-11-12 00:47:12,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8870] [2023-11-12 00:47:12,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8873] [2023-11-12 00:47:12,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8876] [2023-11-12 00:47:12,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8879] [2023-11-12 00:47:12,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8882] [2023-11-12 00:47:12,988 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8918] [2023-11-12 00:47:12,988 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8921] [2023-11-12 00:47:12,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8924] [2023-11-12 00:47:12,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8927] [2023-11-12 00:47:12,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8930] [2023-11-12 00:47:12,992 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8996] [2023-11-12 00:47:12,992 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8999] [2023-11-12 00:47:12,992 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [9002] [2023-11-12 00:47:12,993 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [9005] [2023-11-12 00:47:12,993 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [9008] [2023-11-12 00:47:13,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [9626-9627] [2023-11-12 00:47:13,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [9632-9634] [2023-11-12 00:47:13,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [9659-9660] [2023-11-12 00:47:13,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [9665-9667] [2023-11-12 00:47:13,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [9691-9692] [2023-11-12 00:47:13,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [9697-9699] [2023-11-12 00:47:13,022 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [9725] [2023-11-12 00:47:13,022 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; incq %0": "=m" (v->counter): "m" (v->counter)); [9741] [2023-11-12 00:47:13,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [9794] [2023-11-12 00:47:13,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9797] [2023-11-12 00:47:13,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9800] [2023-11-12 00:47:13,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9803] [2023-11-12 00:47:13,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [9842] [2023-11-12 00:47:13,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [9845] [2023-11-12 00:47:13,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [9847] [2023-11-12 00:47:13,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [9852] [2023-11-12 00:47:13,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [9855] [2023-11-12 00:47:13,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [9857] [2023-11-12 00:47:13,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [9862] [2023-11-12 00:47:13,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [9865] [2023-11-12 00:47:13,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [9867] [2023-11-12 00:47:13,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [9872] [2023-11-12 00:47:13,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [9875] [2023-11-12 00:47:13,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [9877] [2023-11-12 00:47:13,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [9915] [2023-11-12 00:47:13,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [9918] [2023-11-12 00:47:13,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [9920] [2023-11-12 00:47:13,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [9925] [2023-11-12 00:47:13,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [9928] [2023-11-12 00:47:13,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [9930] [2023-11-12 00:47:13,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [9935] [2023-11-12 00:47:13,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [9938] [2023-11-12 00:47:13,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [9940] [2023-11-12 00:47:13,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [9945] [2023-11-12 00:47:13,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [9948] [2023-11-12 00:47:13,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [9950] [2023-11-12 00:47:13,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10041] [2023-11-12 00:47:13,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10072] [2023-11-12 00:47:13,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10107] [2023-11-12 00:47:13,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10116] [2023-11-12 00:47:13,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (arg), "i" (4UL)); [12416-12417] [2023-11-12 00:47:13,196 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890ed5aa-a697-493b-a902-84aa2b1eda13/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402143,402156] [2023-11-12 00:47:13,197 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890ed5aa-a697-493b-a902-84aa2b1eda13/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402312,402325] [2023-11-12 00:47:13,198 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890ed5aa-a697-493b-a902-84aa2b1eda13/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402479,402492] [2023-11-12 00:47:13,198 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890ed5aa-a697-493b-a902-84aa2b1eda13/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402647,402660] [2023-11-12 00:47:13,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:47:13,465 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:47:13,465 WARN L672 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:47:13,465 WARN L672 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:47:13,465 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:47:13,465 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:47:13,472 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:47:13,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:13 WrapperNode [2023-11-12 00:47:13,473 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:47:13,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:47:13,474 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:47:13,474 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:47:13,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:13" (1/1) ... [2023-11-12 00:47:13,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:13" (1/1) ... [2023-11-12 00:47:14,002 INFO L138 Inliner]: procedures = 553, calls = 3918, calls flagged for inlining = 272, calls inlined = 248, statements flattened = 9465 [2023-11-12 00:47:14,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:47:14,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:47:14,004 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:47:14,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:47:14,016 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:13" (1/1) ... [2023-11-12 00:47:14,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:13" (1/1) ... [2023-11-12 00:47:14,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:13" (1/1) ... [2023-11-12 00:47:14,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:13" (1/1) ... [2023-11-12 00:47:14,249 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:13" (1/1) ... [2023-11-12 00:47:14,288 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:13" (1/1) ... [2023-11-12 00:47:14,407 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:13" (1/1) ... [2023-11-12 00:47:14,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:13" (1/1) ... [2023-11-12 00:47:14,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:47:14,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:47:14,501 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:47:14,501 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:47:14,502 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:13" (1/1) ... [2023-11-12 00:47:14,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:47:14,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890ed5aa-a697-493b-a902-84aa2b1eda13/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:47:14,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890ed5aa-a697-493b-a902-84aa2b1eda13/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:47:14,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890ed5aa-a697-493b-a902-84aa2b1eda13/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:47:14,584 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_evict_inode [2023-11-12 00:47:14,585 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_evict_inode [2023-11-12 00:47:14,585 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2023-11-12 00:47:14,585 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2023-11-12 00:47:14,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:47:14,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:47:14,585 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_unlink [2023-11-12 00:47:14,586 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_unlink [2023-11-12 00:47:14,586 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_get_inode [2023-11-12 00:47:14,586 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_get_inode [2023-11-12 00:47:14,586 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-12 00:47:14,586 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-12 00:47:14,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:47:14,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:47:14,588 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_lseek [2023-11-12 00:47:14,588 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_lseek [2023-11-12 00:47:14,588 INFO L130 BoogieDeclarations]: Found specification of procedure do_expire_wait [2023-11-12 00:47:14,588 INFO L138 BoogieDeclarations]: Found implementation of procedure do_expire_wait [2023-11-12 00:47:14,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:47:14,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:47:14,589 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-12 00:47:14,589 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-12 00:47:14,590 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2023-11-12 00:47:14,590 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2023-11-12 00:47:14,590 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2023-11-12 00:47:14,590 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2023-11-12 00:47:14,590 INFO L130 BoogieDeclarations]: Found specification of procedure current_kernel_time [2023-11-12 00:47:14,591 INFO L138 BoogieDeclarations]: Found implementation of procedure current_kernel_time [2023-11-12 00:47:14,591 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_indirect [2023-11-12 00:47:14,591 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_indirect [2023-11-12 00:47:14,591 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2023-11-12 00:47:14,592 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2023-11-12 00:47:14,592 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_clear_managed [2023-11-12 00:47:14,592 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_clear_managed [2023-11-12 00:47:14,592 INFO L130 BoogieDeclarations]: Found specification of procedure from_kgid_munged [2023-11-12 00:47:14,593 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kgid_munged [2023-11-12 00:47:14,593 INFO L130 BoogieDeclarations]: Found specification of procedure follow_down_one [2023-11-12 00:47:14,593 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_down_one [2023-11-12 00:47:14,593 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_show_options [2023-11-12 00:47:14,593 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_show_options [2023-11-12 00:47:14,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_48 [2023-11-12 00:47:14,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_48 [2023-11-12 00:47:14,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_57 [2023-11-12 00:47:14,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_57 [2023-11-12 00:47:14,594 INFO L130 BoogieDeclarations]: Found specification of procedure __autofs4_add_expiring [2023-11-12 00:47:14,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __autofs4_add_expiring [2023-11-12 00:47:14,595 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 00:47:14,595 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-12 00:47:14,595 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_wait [2023-11-12 00:47:14,596 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_wait [2023-11-12 00:47:14,596 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl [2023-11-12 00:47:14,596 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl [2023-11-12 00:47:14,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:47:14,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:47:14,597 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-11-12 00:47:14,597 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-11-12 00:47:14,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:47:14,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:47:14,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:47:14,598 INFO L130 BoogieDeclarations]: Found specification of procedure d_count [2023-11-12 00:47:14,598 INFO L138 BoogieDeclarations]: Found implementation of procedure d_count [2023-11-12 00:47:14,599 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-12 00:47:14,602 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-12 00:47:14,602 INFO L130 BoogieDeclarations]: Found specification of procedure from_kuid_munged [2023-11-12 00:47:14,603 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kuid_munged [2023-11-12 00:47:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-12 00:47:14,603 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-12 00:47:14,604 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 00:47:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 00:47:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2023-11-12 00:47:14,605 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2023-11-12 00:47:14,612 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_oz_mode [2023-11-12 00:47:14,612 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_oz_mode [2023-11-12 00:47:14,612 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_do_expire_multi [2023-11-12 00:47:14,612 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_do_expire_multi [2023-11-12 00:47:14,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-11-12 00:47:14,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-11-12 00:47:14,613 INFO L130 BoogieDeclarations]: Found specification of procedure __task_pid_nr_ns [2023-11-12 00:47:14,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __task_pid_nr_ns [2023-11-12 00:47:14,613 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 00:47:14,613 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 00:47:14,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_54 [2023-11-12 00:47:14,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_54 [2023-11-12 00:47:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_sbi [2023-11-12 00:47:14,614 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_sbi [2023-11-12 00:47:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:47:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-12 00:47:14,614 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-12 00:47:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-11-12 00:47:14,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-11-12 00:47:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_new_ino [2023-11-12 00:47:14,615 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_new_ino [2023-11-12 00:47:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure simple_empty [2023-11-12 00:47:14,615 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_empty [2023-11-12 00:47:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:47:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:47:14,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:47:14,616 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_can_expire [2023-11-12 00:47:14,616 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_can_expire [2023-11-12 00:47:14,616 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_ino [2023-11-12 00:47:14,616 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_ino [2023-11-12 00:47:14,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:47:14,616 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2023-11-12 00:47:14,616 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2023-11-12 00:47:14,616 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_open [2023-11-12 00:47:14,617 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_open [2023-11-12 00:47:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:47:14,617 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:47:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_rmdir [2023-11-12 00:47:14,617 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_rmdir [2023-11-12 00:47:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount [2023-11-12 00:47:14,617 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount [2023-11-12 00:47:14,618 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl_exit [2023-11-12 00:47:14,618 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl_exit [2023-11-12 00:47:14,618 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-12 00:47:14,618 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-12 00:47:14,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:47:14,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:47:14,618 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_open [2023-11-12 00:47:14,618 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_open [2023-11-12 00:47:14,619 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-12 00:47:14,619 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-12 00:47:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure clear_nlink [2023-11-12 00:47:14,620 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_nlink [2023-11-12 00:47:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_trigger [2023-11-12 00:47:14,620 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_trigger [2023-11-12 00:47:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:47:14,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:47:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:47:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2023-11-12 00:47:14,621 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2023-11-12 00:47:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:47:14,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:47:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:47:14,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:47:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2023-11-12 00:47:14,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2023-11-12 00:47:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-12 00:47:14,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-12 00:47:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2023-11-12 00:47:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-12 00:47:14,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-12 00:47:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:47:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:47:14,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:47:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:47:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 00:47:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure simple_positive [2023-11-12 00:47:14,623 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_positive [2023-11-12 00:47:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-12 00:47:14,624 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-12 00:47:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure path_get [2023-11-12 00:47:14,624 INFO L138 BoogieDeclarations]: Found implementation of procedure path_get [2023-11-12 00:47:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure dget_dlock [2023-11-12 00:47:14,624 INFO L138 BoogieDeclarations]: Found implementation of procedure dget_dlock [2023-11-12 00:47:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure d_lookup [2023-11-12 00:47:14,624 INFO L138 BoogieDeclarations]: Found implementation of procedure d_lookup [2023-11-12 00:47:14,625 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-12 00:47:14,625 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-12 00:47:14,625 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 00:47:14,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 00:47:14,625 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2023-11-12 00:47:14,626 INFO L138 BoogieDeclarations]: Found implementation of procedure recalc_sigpending [2023-11-12 00:47:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-12 00:47:14,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-12 00:47:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure d_drop [2023-11-12 00:47:14,626 INFO L138 BoogieDeclarations]: Found implementation of procedure d_drop [2023-11-12 00:47:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_mount [2023-11-12 00:47:14,626 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_mount [2023-11-12 00:47:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_indirect [2023-11-12 00:47:14,627 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_indirect [2023-11-12 00:47:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:47:14,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:47:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_wait [2023-11-12 00:47:14,627 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_wait [2023-11-12 00:47:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 00:47:14,627 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 00:47:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl [2023-11-12 00:47:14,628 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl [2023-11-12 00:47:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-12 00:47:14,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-12 00:47:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2023-11-12 00:47:14,628 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2023-11-12 00:47:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2023-11-12 00:47:14,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2023-11-12 00:47:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:47:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:47:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait_release [2023-11-12 00:47:14,630 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait_release [2023-11-12 00:47:14,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:47:14,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:47:14,634 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl_unlocked [2023-11-12 00:47:14,634 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl_unlocked [2023-11-12 00:47:14,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:47:14,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:47:14,634 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2023-11-12 00:47:14,635 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2023-11-12 00:47:14,635 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-12 00:47:14,636 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-12 00:47:14,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-11-12 00:47:14,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-11-12 00:47:14,636 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_compat_ioctl [2023-11-12 00:47:14,636 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_compat_ioctl [2023-11-12 00:47:14,636 INFO L130 BoogieDeclarations]: Found specification of procedure read_seqretry [2023-11-12 00:47:14,636 INFO L138 BoogieDeclarations]: Found implementation of procedure read_seqretry [2023-11-12 00:47:14,637 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-11-12 00:47:14,637 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-11-12 00:47:14,637 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-12 00:47:14,637 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-12 00:47:14,637 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_readdir [2023-11-12 00:47:14,637 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_readdir [2023-11-12 00:47:14,637 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2023-11-12 00:47:14,637 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2023-11-12 00:47:14,638 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-12 00:47:14,638 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-12 00:47:14,638 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 00:47:14,638 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 00:47:14,638 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount_tree [2023-11-12 00:47:14,638 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount_tree [2023-11-12 00:47:14,638 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-12 00:47:14,638 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-12 00:47:14,639 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2023-11-12 00:47:14,639 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2023-11-12 00:47:14,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:47:14,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:47:14,639 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_pid [2023-11-12 00:47:14,639 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_pid [2023-11-12 00:47:14,639 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2023-11-12 00:47:14,639 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2023-11-12 00:47:14,640 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_busy [2023-11-12 00:47:14,640 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_busy [2023-11-12 00:47:14,640 INFO L130 BoogieDeclarations]: Found specification of procedure d_unhashed [2023-11-12 00:47:14,640 INFO L138 BoogieDeclarations]: Found implementation of procedure d_unhashed [2023-11-12 00:47:14,640 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-12 00:47:14,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-12 00:47:14,640 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_kill_sb [2023-11-12 00:47:14,640 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_kill_sb [2023-11-12 00:47:14,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:47:14,641 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 00:47:14,641 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 00:47:14,641 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2023-11-12 00:47:14,641 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2023-11-12 00:47:14,641 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-12 00:47:14,641 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-12 00:47:14,641 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_set_managed [2023-11-12 00:47:14,642 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_set_managed [2023-11-12 00:47:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:47:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-11-12 00:47:14,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-11-12 00:47:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2023-11-12 00:47:14,642 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2023-11-12 00:47:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-12 00:47:14,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-12 00:47:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:47:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-12 00:47:14,643 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-12 00:47:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:47:14,643 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:47:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 00:47:14,643 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 00:47:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure find_autofs_mount [2023-11-12 00:47:14,643 INFO L138 BoogieDeclarations]: Found implementation of procedure find_autofs_mount [2023-11-12 00:47:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 00:47:14,644 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 00:47:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:47:14,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:47:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_close [2023-11-12 00:47:14,644 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_close [2023-11-12 00:47:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure ns_of_pid [2023-11-12 00:47:14,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_of_pid [2023-11-12 00:47:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 00:47:14,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 00:47:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_55 [2023-11-12 00:47:14,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_55 [2023-11-12 00:47:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-12 00:47:14,645 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-12 00:47:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_clean_ino [2023-11-12 00:47:14,645 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_clean_ino [2023-11-12 00:47:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_49 [2023-11-12 00:47:14,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_49 [2023-11-12 00:47:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2023-11-12 00:47:14,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2023-11-12 00:47:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure kern_path_mountpoint [2023-11-12 00:47:14,646 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_path_mountpoint [2023-11-12 00:47:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_positive_dentry [2023-11-12 00:47:14,647 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_positive_dentry [2023-11-12 00:47:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:47:14,647 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:47:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure __managed_dentry_set_managed [2023-11-12 00:47:14,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __managed_dentry_set_managed [2023-11-12 00:47:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait [2023-11-12 00:47:14,647 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait [2023-11-12 00:47:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_find_wait [2023-11-12 00:47:14,648 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_find_wait [2023-11-12 00:47:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-12 00:47:14,648 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-12 00:47:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2023-11-12 00:47:14,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2023-11-12 00:47:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:47:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_release [2023-11-12 00:47:14,648 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_release [2023-11-12 00:47:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure task_pgrp_nr [2023-11-12 00:47:14,649 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pgrp_nr [2023-11-12 00:47:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-12 00:47:14,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-12 00:47:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:47:14,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:47:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2023-11-12 00:47:14,649 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2023-11-12 00:47:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_symlink [2023-11-12 00:47:14,650 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_symlink [2023-11-12 00:47:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2023-11-12 00:47:14,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2023-11-12 00:47:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_78 [2023-11-12 00:47:14,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_78 [2023-11-12 00:47:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2023-11-12 00:47:14,650 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2023-11-12 00:47:14,651 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-12 00:47:14,651 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-12 00:47:14,651 INFO L130 BoogieDeclarations]: Found specification of procedure d_mountpoint [2023-11-12 00:47:14,651 INFO L138 BoogieDeclarations]: Found implementation of procedure d_mountpoint [2023-11-12 00:47:14,651 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-12 00:47:14,651 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-12 00:47:14,651 INFO L130 BoogieDeclarations]: Found specification of procedure have_submounts [2023-11-12 00:47:14,651 INFO L138 BoogieDeclarations]: Found implementation of procedure have_submounts [2023-11-12 00:47:14,652 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-11-12 00:47:14,652 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-11-12 00:47:14,652 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-12 00:47:14,652 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-12 00:47:14,652 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-12 00:47:14,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-12 00:47:14,652 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-12 00:47:14,652 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-12 00:47:14,653 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_prepare_pipe [2023-11-12 00:47:14,653 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_prepare_pipe [2023-11-12 00:47:14,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:47:14,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:47:14,653 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_del_active [2023-11-12 00:47:14,653 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_del_active [2023-11-12 00:47:14,653 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 00:47:14,654 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 00:47:14,654 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-12 00:47:14,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-12 00:47:14,654 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-12 00:47:14,654 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-12 00:47:14,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:47:14,654 INFO L130 BoogieDeclarations]: Found specification of procedure d_add [2023-11-12 00:47:14,654 INFO L138 BoogieDeclarations]: Found implementation of procedure d_add [2023-11-12 00:47:14,655 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_catatonic_mode [2023-11-12 00:47:14,655 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_catatonic_mode [2023-11-12 00:47:14,655 INFO L130 BoogieDeclarations]: Found specification of procedure gid_eq [2023-11-12 00:47:14,655 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_eq [2023-11-12 00:47:14,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:47:14,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:47:14,655 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-12 00:47:14,655 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2023-11-12 00:47:14,656 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2023-11-12 00:47:15,992 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:47:16,001 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:47:16,316 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:47:17,142 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call ULTIMATE.dealloc(~#descriptor~12#1.base, ~#descriptor~12#1.offset);havoc ~#descriptor~12#1.base, ~#descriptor~12#1.offset; [2023-11-12 00:47:25,983 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:47:26,265 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:47:29,301 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:47:29,302 INFO L302 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-12 00:47:29,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:47:29 BoogieIcfgContainer [2023-11-12 00:47:29,310 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:47:29,313 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:47:29,314 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:47:29,317 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:47:29,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:47:08" (1/3) ... [2023-11-12 00:47:29,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@733f0ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:47:29, skipping insertion in model container [2023-11-12 00:47:29,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:13" (2/3) ... [2023-11-12 00:47:29,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@733f0ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:47:29, skipping insertion in model container [2023-11-12 00:47:29,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:47:29" (3/3) ... [2023-11-12 00:47:29,321 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i [2023-11-12 00:47:29,342 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:47:29,342 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-12 00:47:29,470 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:47:29,479 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4c3c4874, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:47:29,480 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-12 00:47:29,497 INFO L276 IsEmpty]: Start isEmpty. Operand has 2740 states, 1603 states have (on average 1.3056768558951966) internal successors, (2093), 1656 states have internal predecessors, (2093), 966 states have call successors, (966), 168 states have call predecessors, (966), 167 states have return successors, (955), 949 states have call predecessors, (955), 955 states have call successors, (955) [2023-11-12 00:47:29,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2023-11-12 00:47:29,561 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:29,563 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:29,563 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-12 00:47:29,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:29,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1274466413, now seen corresponding path program 1 times [2023-11-12 00:47:29,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:29,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72407110] [2023-11-12 00:47:29,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:29,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:31,275 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2023-11-12 00:47:31,276 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:47:31,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72407110] [2023-11-12 00:47:31,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72407110] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:47:31,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:47:31,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:47:31,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915685032] [2023-11-12 00:47:31,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:47:31,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:47:31,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:47:31,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:47:31,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:47:31,342 INFO L87 Difference]: Start difference. First operand has 2740 states, 1603 states have (on average 1.3056768558951966) internal successors, (2093), 1656 states have internal predecessors, (2093), 966 states have call successors, (966), 168 states have call predecessors, (966), 167 states have return successors, (955), 949 states have call predecessors, (955), 955 states have call successors, (955) Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2023-11-12 00:47:33,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:47:36,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:47:38,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:47:41,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:47:43,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:47:45,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:47:46,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:46,090 INFO L93 Difference]: Finished difference Result 7934 states and 11951 transitions. [2023-11-12 00:47:46,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:47:46,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 465 [2023-11-12 00:47:46,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:46,156 INFO L225 Difference]: With dead ends: 7934 [2023-11-12 00:47:46,157 INFO L226 Difference]: Without dead ends: 5267 [2023-11-12 00:47:46,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:47:46,199 INFO L413 NwaCegarLoop]: 3602 mSDtfsCounter, 3768 mSDsluCounter, 3533 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 11 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3768 SdHoareTripleChecker+Valid, 7135 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 824 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:46,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3768 Valid, 7135 Invalid, 841 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 824 Invalid, 6 Unknown, 0 Unchecked, 14.2s Time] [2023-11-12 00:47:46,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5267 states. [2023-11-12 00:47:46,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5267 to 5261. [2023-11-12 00:47:46,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5261 states, 3100 states have (on average 1.3003225806451613) internal successors, (4031), 3199 states have internal predecessors, (4031), 1827 states have call successors, (1827), 331 states have call predecessors, (1827), 330 states have return successors, (1823), 1811 states have call predecessors, (1823), 1823 states have call successors, (1823) [2023-11-12 00:47:46,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5261 states to 5261 states and 7681 transitions. [2023-11-12 00:47:46,814 INFO L78 Accepts]: Start accepts. Automaton has 5261 states and 7681 transitions. Word has length 465 [2023-11-12 00:47:46,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:46,821 INFO L495 AbstractCegarLoop]: Abstraction has 5261 states and 7681 transitions. [2023-11-12 00:47:46,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2023-11-12 00:47:46,821 INFO L276 IsEmpty]: Start isEmpty. Operand 5261 states and 7681 transitions. [2023-11-12 00:47:46,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2023-11-12 00:47:46,838 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:46,839 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:46,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:47:46,840 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-12 00:47:46,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:46,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1477044564, now seen corresponding path program 1 times [2023-11-12 00:47:46,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:46,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690395936] [2023-11-12 00:47:46,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:46,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:47,676 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2023-11-12 00:47:47,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:47:47,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690395936] [2023-11-12 00:47:47,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690395936] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:47:47,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:47:47,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:47:47,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247362126] [2023-11-12 00:47:47,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:47:47,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:47:47,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:47:47,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:47:47,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:47:47,683 INFO L87 Difference]: Start difference. First operand 5261 states and 7681 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2023-11-12 00:47:50,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:47:53,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []