./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 30e01a73 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_e4a29f41-30f6-4374-b067-0af770c749c8/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a29f41-30f6-4374-b067-0af770c749c8/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a29f41-30f6-4374-b067-0af770c749c8/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a29f41-30f6-4374-b067-0af770c749c8/bin/utaipan-verify-mE87zJ7Ire/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_e4a29f41-30f6-4374-b067-0af770c749c8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a29f41-30f6-4374-b067-0af770c749c8/bin/utaipan-verify-mE87zJ7Ire --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-30e01a7 [2023-11-23 21:16:33,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:16:33,526 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a29f41-30f6-4374-b067-0af770c749c8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:16:33,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:16:33,532 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:16:33,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:16:33,561 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:16:33,562 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:16:33,562 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:16:33,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:16:33,564 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:16:33,564 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:16:33,565 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:16:33,565 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:16:33,566 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:16:33,566 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:16:33,567 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:16:33,567 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:16:33,568 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:16:33,568 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:16:33,569 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:16:33,570 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:16:33,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:16:33,571 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:16:33,571 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:16:33,572 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:16:33,572 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:16:33,573 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:16:33,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:16:33,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:16:33,574 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:16:33,574 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:16:33,575 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:16:33,575 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:16:33,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:16:33,576 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:16:33,576 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:16:33,577 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:16:33,577 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:16:33,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:16:33,577 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:16:33,578 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:16:33,578 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:16:33,578 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:16:33,578 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_e4a29f41-30f6-4374-b067-0af770c749c8/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a29f41-30f6-4374-b067-0af770c749c8/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebed12b86dce507000a7a0630996a9595573172c73db75fed69855441af252c1 [2023-11-23 21:16:33,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:16:33,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:16:33,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:16:33,929 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:16:33,929 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:16:33,931 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a29f41-30f6-4374-b067-0af770c749c8/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i [2023-11-23 21:16:37,215 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:16:37,992 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:16:37,993 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a29f41-30f6-4374-b067-0af770c749c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i [2023-11-23 21:16:38,048 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a29f41-30f6-4374-b067-0af770c749c8/bin/utaipan-verify-mE87zJ7Ire/data/dd0d12025/552170e7dfaa4f7ea41c44069baae799/FLAG575f75233 [2023-11-23 21:16:38,063 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a29f41-30f6-4374-b067-0af770c749c8/bin/utaipan-verify-mE87zJ7Ire/data/dd0d12025/552170e7dfaa4f7ea41c44069baae799 [2023-11-23 21:16:38,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:16:38,067 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:16:38,068 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:16:38,068 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:16:38,074 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:16:38,074 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:16:38" (1/1) ... [2023-11-23 21:16:38,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@777264ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:38, skipping insertion in model container [2023-11-23 21:16:38,076 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:16:38" (1/1) ... [2023-11-23 21:16:38,296 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:16:42,326 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_e4a29f41-30f6-4374-b067-0af770c749c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402143,402156] [2023-11-23 21:16:42,331 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_e4a29f41-30f6-4374-b067-0af770c749c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402312,402325] [2023-11-23 21:16:42,339 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_e4a29f41-30f6-4374-b067-0af770c749c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402479,402492] [2023-11-23 21:16:42,340 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_e4a29f41-30f6-4374-b067-0af770c749c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402647,402660] [2023-11-23 21:16:42,373 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:16:42,431 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:16:42,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6019] [2023-11-23 21:16:42,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6022] [2023-11-23 21:16:42,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6025] [2023-11-23 21:16:42,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6028] [2023-11-23 21:16:42,650 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] [2023-11-23 21:16:42,650 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] [2023-11-23 21:16:42,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7029] [2023-11-23 21:16:42,759 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] [2023-11-23 21:16:42,778 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] [2023-11-23 21:16:42,781 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] [2023-11-23 21:16:42,782 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] [2023-11-23 21:16:42,783 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] [2023-11-23 21:16:42,783 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] [2023-11-23 21:16:42,783 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] [2023-11-23 21:16:42,784 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] [2023-11-23 21:16:42,784 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] [2023-11-23 21:16:42,785 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] [2023-11-23 21:16:42,786 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] [2023-11-23 21:16:42,786 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] [2023-11-23 21:16:42,786 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] [2023-11-23 21:16:42,787 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] [2023-11-23 21:16:42,789 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] [2023-11-23 21:16:42,789 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] [2023-11-23 21:16:42,790 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] [2023-11-23 21:16:42,790 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] [2023-11-23 21:16:42,790 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] [2023-11-23 21:16:42,791 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] [2023-11-23 21:16:42,792 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] [2023-11-23 21:16:42,792 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] [2023-11-23 21:16:42,793 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] [2023-11-23 21:16:42,793 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] [2023-11-23 21:16:42,795 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] [2023-11-23 21:16:42,795 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] [2023-11-23 21:16:42,796 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] [2023-11-23 21:16:42,796 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] [2023-11-23 21:16:42,796 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] [2023-11-23 21:16:42,818 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] [2023-11-23 21:16:42,818 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] [2023-11-23 21:16:42,819 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] [2023-11-23 21:16:42,820 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] [2023-11-23 21:16:42,821 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] [2023-11-23 21:16:42,821 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] [2023-11-23 21:16:42,822 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [9725] [2023-11-23 21:16:42,823 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] [2023-11-23 21:16:42,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [9794] [2023-11-23 21:16:42,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9797] [2023-11-23 21:16:42,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9800] [2023-11-23 21:16:42,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9803] [2023-11-23 21:16:42,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [9842] [2023-11-23 21:16:42,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [9845] [2023-11-23 21:16:42,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [9847] [2023-11-23 21:16:42,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [9852] [2023-11-23 21:16:42,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [9855] [2023-11-23 21:16:42,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [9857] [2023-11-23 21:16:42,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [9862] [2023-11-23 21:16:42,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [9865] [2023-11-23 21:16:42,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [9867] [2023-11-23 21:16:42,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [9872] [2023-11-23 21:16:42,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [9875] [2023-11-23 21:16:42,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [9877] [2023-11-23 21:16:42,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [9915] [2023-11-23 21:16:42,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [9918] [2023-11-23 21:16:42,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [9920] [2023-11-23 21:16:42,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [9925] [2023-11-23 21:16:42,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [9928] [2023-11-23 21:16:42,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [9930] [2023-11-23 21:16:42,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [9935] [2023-11-23 21:16:42,836 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [9938] [2023-11-23 21:16:42,836 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [9940] [2023-11-23 21:16:42,836 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [9945] [2023-11-23 21:16:42,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [9948] [2023-11-23 21:16:42,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [9950] [2023-11-23 21:16:42,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10041] [2023-11-23 21:16:42,842 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10072] [2023-11-23 21:16:42,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10107] [2023-11-23 21:16:42,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10116] [2023-11-23 21:16:42,930 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] [2023-11-23 21:16:42,990 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_e4a29f41-30f6-4374-b067-0af770c749c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402143,402156] [2023-11-23 21:16:42,991 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_e4a29f41-30f6-4374-b067-0af770c749c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402312,402325] [2023-11-23 21:16:42,991 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_e4a29f41-30f6-4374-b067-0af770c749c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402479,402492] [2023-11-23 21:16:42,992 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_e4a29f41-30f6-4374-b067-0af770c749c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402647,402660] [2023-11-23 21:16:43,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:16:43,286 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:16:43,287 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:16:43,287 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:16:43,287 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:16:43,287 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:16:43,296 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:16:43,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:43 WrapperNode [2023-11-23 21:16:43,297 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:16:43,298 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:16:43,298 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:16:43,299 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:16:43,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:43" (1/1) ... [2023-11-23 21:16:43,470 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:43" (1/1) ... [2023-11-23 21:16:43,745 INFO L138 Inliner]: procedures = 553, calls = 3918, calls flagged for inlining = 272, calls inlined = 248, statements flattened = 9465 [2023-11-23 21:16:43,746 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:16:43,747 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:16:43,747 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:16:43,747 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:16:43,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:43" (1/1) ... [2023-11-23 21:16:43,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:43" (1/1) ... [2023-11-23 21:16:43,853 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:43" (1/1) ... [2023-11-23 21:16:43,869 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:43" (1/1) ... [2023-11-23 21:16:44,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:43" (1/1) ... [2023-11-23 21:16:44,132 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:43" (1/1) ... [2023-11-23 21:16:44,190 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:43" (1/1) ... [2023-11-23 21:16:44,225 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:43" (1/1) ... [2023-11-23 21:16:44,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:16:44,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:16:44,294 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:16:44,294 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:16:44,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:43" (1/1) ... [2023-11-23 21:16:44,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:16:44,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a29f41-30f6-4374-b067-0af770c749c8/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:16:44,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a29f41-30f6-4374-b067-0af770c749c8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:16:44,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a29f41-30f6-4374-b067-0af770c749c8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:16:44,375 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_evict_inode [2023-11-23 21:16:44,375 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_evict_inode [2023-11-23 21:16:44,376 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2023-11-23 21:16:44,376 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2023-11-23 21:16:44,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:16:44,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:16:44,376 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_unlink [2023-11-23 21:16:44,376 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_unlink [2023-11-23 21:16:44,376 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_get_inode [2023-11-23 21:16:44,377 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_get_inode [2023-11-23 21:16:44,378 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-23 21:16:44,378 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-23 21:16:44,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:16:44,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:16:44,378 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_lseek [2023-11-23 21:16:44,379 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_lseek [2023-11-23 21:16:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure do_expire_wait [2023-11-23 21:16:44,379 INFO L138 BoogieDeclarations]: Found implementation of procedure do_expire_wait [2023-11-23 21:16:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:16:44,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:16:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-23 21:16:44,380 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-23 21:16:44,380 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2023-11-23 21:16:44,381 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2023-11-23 21:16:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2023-11-23 21:16:44,381 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2023-11-23 21:16:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure current_kernel_time [2023-11-23 21:16:44,381 INFO L138 BoogieDeclarations]: Found implementation of procedure current_kernel_time [2023-11-23 21:16:44,382 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_indirect [2023-11-23 21:16:44,382 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_indirect [2023-11-23 21:16:44,382 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2023-11-23 21:16:44,383 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2023-11-23 21:16:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_clear_managed [2023-11-23 21:16:44,383 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_clear_managed [2023-11-23 21:16:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure from_kgid_munged [2023-11-23 21:16:44,383 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kgid_munged [2023-11-23 21:16:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure follow_down_one [2023-11-23 21:16:44,384 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_down_one [2023-11-23 21:16:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_show_options [2023-11-23 21:16:44,384 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_show_options [2023-11-23 21:16:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_48 [2023-11-23 21:16:44,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_48 [2023-11-23 21:16:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_57 [2023-11-23 21:16:44,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_57 [2023-11-23 21:16:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure __autofs4_add_expiring [2023-11-23 21:16:44,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __autofs4_add_expiring [2023-11-23 21:16:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:16:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 21:16:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_wait [2023-11-23 21:16:44,387 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_wait [2023-11-23 21:16:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl [2023-11-23 21:16:44,387 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl [2023-11-23 21:16:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:16:44,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:16:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-11-23 21:16:44,388 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-11-23 21:16:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:16:44,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:16:44,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:16:44,390 INFO L130 BoogieDeclarations]: Found specification of procedure d_count [2023-11-23 21:16:44,392 INFO L138 BoogieDeclarations]: Found implementation of procedure d_count [2023-11-23 21:16:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-23 21:16:44,393 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-23 21:16:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure from_kuid_munged [2023-11-23 21:16:44,394 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kuid_munged [2023-11-23 21:16:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 21:16:44,395 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 21:16:44,395 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:16:44,395 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:16:44,402 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2023-11-23 21:16:44,402 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2023-11-23 21:16:44,402 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_oz_mode [2023-11-23 21:16:44,402 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_oz_mode [2023-11-23 21:16:44,403 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_do_expire_multi [2023-11-23 21:16:44,403 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_do_expire_multi [2023-11-23 21:16:44,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-11-23 21:16:44,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-11-23 21:16:44,404 INFO L130 BoogieDeclarations]: Found specification of procedure __task_pid_nr_ns [2023-11-23 21:16:44,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __task_pid_nr_ns [2023-11-23 21:16:44,404 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 21:16:44,404 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 21:16:44,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_54 [2023-11-23 21:16:44,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_54 [2023-11-23 21:16:44,405 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_sbi [2023-11-23 21:16:44,405 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_sbi [2023-11-23 21:16:44,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:16:44,405 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-23 21:16:44,405 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-23 21:16:44,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-11-23 21:16:44,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-11-23 21:16:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_new_ino [2023-11-23 21:16:44,406 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_new_ino [2023-11-23 21:16:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure simple_empty [2023-11-23 21:16:44,406 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_empty [2023-11-23 21:16:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:16:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:16:44,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:16:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_can_expire [2023-11-23 21:16:44,407 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_can_expire [2023-11-23 21:16:44,407 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_ino [2023-11-23 21:16:44,407 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_ino [2023-11-23 21:16:44,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:16:44,408 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2023-11-23 21:16:44,408 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2023-11-23 21:16:44,409 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_open [2023-11-23 21:16:44,409 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_open [2023-11-23 21:16:44,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:16:44,409 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:16:44,409 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_rmdir [2023-11-23 21:16:44,409 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_rmdir [2023-11-23 21:16:44,409 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount [2023-11-23 21:16:44,409 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount [2023-11-23 21:16:44,410 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl_exit [2023-11-23 21:16:44,410 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl_exit [2023-11-23 21:16:44,410 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-23 21:16:44,410 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-23 21:16:44,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:16:44,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:16:44,410 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_open [2023-11-23 21:16:44,410 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_open [2023-11-23 21:16:44,411 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-23 21:16:44,411 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-23 21:16:44,411 INFO L130 BoogieDeclarations]: Found specification of procedure clear_nlink [2023-11-23 21:16:44,411 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_nlink [2023-11-23 21:16:44,411 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_trigger [2023-11-23 21:16:44,411 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_trigger [2023-11-23 21:16:44,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 21:16:44,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 21:16:44,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:16:44,412 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2023-11-23 21:16:44,412 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2023-11-23 21:16:44,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 21:16:44,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 21:16:44,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 21:16:44,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 21:16:44,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2023-11-23 21:16:44,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2023-11-23 21:16:44,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-23 21:16:44,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-23 21:16:44,413 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2023-11-23 21:16:44,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-23 21:16:44,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-23 21:16:44,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:16:44,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:16:44,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:16:44,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:16:44,414 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:16:44,414 INFO L130 BoogieDeclarations]: Found specification of procedure simple_positive [2023-11-23 21:16:44,414 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_positive [2023-11-23 21:16:44,414 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-23 21:16:44,414 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-23 21:16:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure path_get [2023-11-23 21:16:44,415 INFO L138 BoogieDeclarations]: Found implementation of procedure path_get [2023-11-23 21:16:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure dget_dlock [2023-11-23 21:16:44,415 INFO L138 BoogieDeclarations]: Found implementation of procedure dget_dlock [2023-11-23 21:16:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure d_lookup [2023-11-23 21:16:44,415 INFO L138 BoogieDeclarations]: Found implementation of procedure d_lookup [2023-11-23 21:16:44,417 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-23 21:16:44,417 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-23 21:16:44,417 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-23 21:16:44,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-23 21:16:44,417 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2023-11-23 21:16:44,417 INFO L138 BoogieDeclarations]: Found implementation of procedure recalc_sigpending [2023-11-23 21:16:44,418 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-23 21:16:44,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-23 21:16:44,418 INFO L130 BoogieDeclarations]: Found specification of procedure d_drop [2023-11-23 21:16:44,418 INFO L138 BoogieDeclarations]: Found implementation of procedure d_drop [2023-11-23 21:16:44,418 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_mount [2023-11-23 21:16:44,418 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_mount [2023-11-23 21:16:44,419 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_indirect [2023-11-23 21:16:44,419 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_indirect [2023-11-23 21:16:44,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:16:44,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:16:44,419 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_wait [2023-11-23 21:16:44,419 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_wait [2023-11-23 21:16:44,419 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:16:44,420 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:16:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl [2023-11-23 21:16:44,420 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl [2023-11-23 21:16:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-23 21:16:44,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-23 21:16:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2023-11-23 21:16:44,420 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2023-11-23 21:16:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2023-11-23 21:16:44,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2023-11-23 21:16:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:16:44,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:16:44,426 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait_release [2023-11-23 21:16:44,426 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait_release [2023-11-23 21:16:44,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:16:44,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:16:44,426 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl_unlocked [2023-11-23 21:16:44,426 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl_unlocked [2023-11-23 21:16:44,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:16:44,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:16:44,427 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2023-11-23 21:16:44,427 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2023-11-23 21:16:44,428 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-23 21:16:44,428 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-23 21:16:44,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-11-23 21:16:44,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-11-23 21:16:44,428 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_compat_ioctl [2023-11-23 21:16:44,428 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_compat_ioctl [2023-11-23 21:16:44,428 INFO L130 BoogieDeclarations]: Found specification of procedure read_seqretry [2023-11-23 21:16:44,428 INFO L138 BoogieDeclarations]: Found implementation of procedure read_seqretry [2023-11-23 21:16:44,429 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-11-23 21:16:44,429 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-11-23 21:16:44,429 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-23 21:16:44,429 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-23 21:16:44,429 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_readdir [2023-11-23 21:16:44,429 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_readdir [2023-11-23 21:16:44,429 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2023-11-23 21:16:44,429 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2023-11-23 21:16:44,430 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-23 21:16:44,430 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-23 21:16:44,430 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:16:44,430 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:16:44,430 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount_tree [2023-11-23 21:16:44,430 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount_tree [2023-11-23 21:16:44,430 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-23 21:16:44,430 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-23 21:16:44,431 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2023-11-23 21:16:44,431 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2023-11-23 21:16:44,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:16:44,431 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:16:44,431 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_pid [2023-11-23 21:16:44,431 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_pid [2023-11-23 21:16:44,431 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2023-11-23 21:16:44,431 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2023-11-23 21:16:44,432 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_busy [2023-11-23 21:16:44,432 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_busy [2023-11-23 21:16:44,432 INFO L130 BoogieDeclarations]: Found specification of procedure d_unhashed [2023-11-23 21:16:44,432 INFO L138 BoogieDeclarations]: Found implementation of procedure d_unhashed [2023-11-23 21:16:44,432 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-23 21:16:44,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-23 21:16:44,432 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_kill_sb [2023-11-23 21:16:44,432 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_kill_sb [2023-11-23 21:16:44,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:16:44,433 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:16:44,433 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:16:44,433 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2023-11-23 21:16:44,433 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2023-11-23 21:16:44,433 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-23 21:16:44,433 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-23 21:16:44,433 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_set_managed [2023-11-23 21:16:44,433 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_set_managed [2023-11-23 21:16:44,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:16:44,434 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-11-23 21:16:44,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-11-23 21:16:44,434 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2023-11-23 21:16:44,434 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2023-11-23 21:16:44,434 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-23 21:16:44,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-23 21:16:44,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:16:44,435 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-23 21:16:44,435 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-23 21:16:44,435 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:16:44,435 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:16:44,435 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:16:44,435 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:16:44,435 INFO L130 BoogieDeclarations]: Found specification of procedure find_autofs_mount [2023-11-23 21:16:44,435 INFO L138 BoogieDeclarations]: Found implementation of procedure find_autofs_mount [2023-11-23 21:16:44,436 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-23 21:16:44,436 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-23 21:16:44,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:16:44,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:16:44,436 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_close [2023-11-23 21:16:44,436 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_close [2023-11-23 21:16:44,436 INFO L130 BoogieDeclarations]: Found specification of procedure ns_of_pid [2023-11-23 21:16:44,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_of_pid [2023-11-23 21:16:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 21:16:44,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 21:16:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_55 [2023-11-23 21:16:44,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_55 [2023-11-23 21:16:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 21:16:44,437 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 21:16:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_clean_ino [2023-11-23 21:16:44,437 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_clean_ino [2023-11-23 21:16:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_49 [2023-11-23 21:16:44,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_49 [2023-11-23 21:16:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2023-11-23 21:16:44,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2023-11-23 21:16:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure kern_path_mountpoint [2023-11-23 21:16:44,438 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_path_mountpoint [2023-11-23 21:16:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_positive_dentry [2023-11-23 21:16:44,438 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_positive_dentry [2023-11-23 21:16:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:16:44,439 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:16:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure __managed_dentry_set_managed [2023-11-23 21:16:44,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __managed_dentry_set_managed [2023-11-23 21:16:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait [2023-11-23 21:16:44,439 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait [2023-11-23 21:16:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_find_wait [2023-11-23 21:16:44,440 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_find_wait [2023-11-23 21:16:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-23 21:16:44,440 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-23 21:16:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2023-11-23 21:16:44,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2023-11-23 21:16:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:16:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_release [2023-11-23 21:16:44,440 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_release [2023-11-23 21:16:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure task_pgrp_nr [2023-11-23 21:16:44,441 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pgrp_nr [2023-11-23 21:16:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-23 21:16:44,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-23 21:16:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:16:44,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:16:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2023-11-23 21:16:44,441 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2023-11-23 21:16:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_symlink [2023-11-23 21:16:44,442 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_symlink [2023-11-23 21:16:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2023-11-23 21:16:44,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2023-11-23 21:16:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_78 [2023-11-23 21:16:44,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_78 [2023-11-23 21:16:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2023-11-23 21:16:44,442 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2023-11-23 21:16:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-23 21:16:44,443 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-23 21:16:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure d_mountpoint [2023-11-23 21:16:44,443 INFO L138 BoogieDeclarations]: Found implementation of procedure d_mountpoint [2023-11-23 21:16:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-23 21:16:44,443 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-23 21:16:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure have_submounts [2023-11-23 21:16:44,443 INFO L138 BoogieDeclarations]: Found implementation of procedure have_submounts [2023-11-23 21:16:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-11-23 21:16:44,444 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-11-23 21:16:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-23 21:16:44,444 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-23 21:16:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-23 21:16:44,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-23 21:16:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-23 21:16:44,444 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-23 21:16:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_prepare_pipe [2023-11-23 21:16:44,445 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_prepare_pipe [2023-11-23 21:16:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:16:44,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:16:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_del_active [2023-11-23 21:16:44,445 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_del_active [2023-11-23 21:16:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 21:16:44,445 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 21:16:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:16:44,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:16:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-23 21:16:44,446 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-23 21:16:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:16:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure d_add [2023-11-23 21:16:44,446 INFO L138 BoogieDeclarations]: Found implementation of procedure d_add [2023-11-23 21:16:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_catatonic_mode [2023-11-23 21:16:44,447 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_catatonic_mode [2023-11-23 21:16:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure gid_eq [2023-11-23 21:16:44,447 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_eq [2023-11-23 21:16:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:16:44,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:16:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-23 21:16:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2023-11-23 21:16:44,447 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2023-11-23 21:16:45,627 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:16:45,631 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:16:45,897 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:16:46,803 INFO L775 $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; [2023-11-23 21:16:55,971 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:16:56,341 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:16:59,430 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:16:59,431 INFO L309 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-23 21:16:59,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:16:59 BoogieIcfgContainer [2023-11-23 21:16:59,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:16:59,438 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:16:59,438 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:16:59,442 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:16:59,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:16:38" (1/3) ... [2023-11-23 21:16:59,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@377e5142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:16:59, skipping insertion in model container [2023-11-23 21:16:59,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:43" (2/3) ... [2023-11-23 21:16:59,445 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@377e5142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:16:59, skipping insertion in model container [2023-11-23 21:16:59,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:16:59" (3/3) ... [2023-11-23 21:16:59,446 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i [2023-11-23 21:16:59,469 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:16:59,470 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-23 21:16:59,607 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:16:59,615 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;@6860cb14, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:16:59,615 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-23 21:16:59,636 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) [2023-11-23 21:16:59,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2023-11-23 21:16:59,697 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:16:59,698 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] [2023-11-23 21:16:59,698 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)] === [2023-11-23 21:16:59,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:16:59,704 INFO L85 PathProgramCache]: Analyzing trace with hash 68944895, now seen corresponding path program 1 times [2023-11-23 21:16:59,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:16:59,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744437440] [2023-11-23 21:16:59,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:16:59,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:01,366 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2023-11-23 21:17:01,367 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:01,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744437440] [2023-11-23 21:17:01,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744437440] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:01,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:01,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:17:01,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952507613] [2023-11-23 21:17:01,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:01,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:17:01,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:01,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:17:01,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:17:01,418 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) [2023-11-23 21:17:04,013 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 [] [2023-11-23 21:17:06,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:17:08,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:17:10,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:17:13,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:17:14,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:14,011 INFO L93 Difference]: Finished difference Result 7934 states and 11951 transitions. [2023-11-23 21:17:14,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:17:14,015 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 [2023-11-23 21:17:14,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:14,110 INFO L225 Difference]: With dead ends: 7934 [2023-11-23 21:17:14,110 INFO L226 Difference]: Without dead ends: 5267 [2023-11-23 21:17:14,151 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 [2023-11-23 21:17:14,161 INFO L413 NwaCegarLoop]: 3602 mSDtfsCounter, 3768 mSDsluCounter, 3533 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 11 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3768 SdHoareTripleChecker+Valid, 7135 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:14,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3768 Valid, 7135 Invalid, 840 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 825 Invalid, 4 Unknown, 0 Unchecked, 12.0s Time] [2023-11-23 21:17:14,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5267 states. [2023-11-23 21:17:14,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5267 to 5261. [2023-11-23 21:17:14,713 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) [2023-11-23 21:17:14,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5261 states to 5261 states and 7681 transitions. [2023-11-23 21:17:14,801 INFO L78 Accepts]: Start accepts. Automaton has 5261 states and 7681 transitions. Word has length 465 [2023-11-23 21:17:14,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:14,808 INFO L495 AbstractCegarLoop]: Abstraction has 5261 states and 7681 transitions. [2023-11-23 21:17:14,808 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) [2023-11-23 21:17:14,809 INFO L276 IsEmpty]: Start isEmpty. Operand 5261 states and 7681 transitions. [2023-11-23 21:17:14,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2023-11-23 21:17:14,839 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:14,840 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, 1] [2023-11-23 21:17:14,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:17:14,841 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)] === [2023-11-23 21:17:14,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:14,842 INFO L85 PathProgramCache]: Analyzing trace with hash -307863968, now seen corresponding path program 1 times [2023-11-23 21:17:14,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:14,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290690888] [2023-11-23 21:17:14,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:14,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:15,920 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2023-11-23 21:17:15,920 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:15,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290690888] [2023-11-23 21:17:15,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290690888] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:15,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:15,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:17:15,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054732703] [2023-11-23 21:17:15,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:15,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:17:15,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:15,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:17:15,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:17:15,926 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, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2023-11-23 21:17:19,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:17:21,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []