./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-mutex_fs-autofs4-autofs4.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7fcdc19-3eef-40f0-9251-1bedafc28ad7/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7fcdc19-3eef-40f0-9251-1bedafc28ad7/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7fcdc19-3eef-40f0-9251-1bedafc28ad7/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7fcdc19-3eef-40f0-9251-1bedafc28ad7/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7fcdc19-3eef-40f0-9251-1bedafc28ad7/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7fcdc19-3eef-40f0-9251-1bedafc28ad7/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4035b79a2162ba317b65ff4b4b50beff318d26f8217214f4a55e9e0e820898d1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:59:35,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:59:35,946 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7fcdc19-3eef-40f0-9251-1bedafc28ad7/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:59:35,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:59:35,954 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:59:35,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:59:35,994 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:59:35,994 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:59:35,995 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:59:36,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:59:36,001 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:59:36,002 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:59:36,002 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:59:36,004 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:59:36,005 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:59:36,005 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:59:36,005 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:59:36,006 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:59:36,006 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:59:36,007 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:59:36,009 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:59:36,009 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:59:36,010 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:59:36,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:59:36,011 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:59:36,012 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:59:36,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:59:36,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:59:36,013 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:59:36,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:59:36,015 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:59:36,015 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:59:36,015 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:59:36,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:59:36,016 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:59:36,016 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:59:36,016 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:59:36,017 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:59:36,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:59:36,017 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:59:36,017 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:59:36,018 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:59:36,018 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_d7fcdc19-3eef-40f0-9251-1bedafc28ad7/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7fcdc19-3eef-40f0-9251-1bedafc28ad7/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4035b79a2162ba317b65ff4b4b50beff318d26f8217214f4a55e9e0e820898d1 [2023-11-12 00:59:36,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:59:36,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:59:36,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:59:36,364 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:59:36,365 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:59:36,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7fcdc19-3eef-40f0-9251-1bedafc28ad7/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i [2023-11-12 00:59:39,515 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:59:40,245 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:59:40,246 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7fcdc19-3eef-40f0-9251-1bedafc28ad7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i [2023-11-12 00:59:40,306 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7fcdc19-3eef-40f0-9251-1bedafc28ad7/bin/utaipan-verify-NcY6lQBIFX/data/3f2abd0d2/05d0ccd970fd4c51aa8ba468baa8bc9d/FLAG9bf3fa0ec [2023-11-12 00:59:40,328 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7fcdc19-3eef-40f0-9251-1bedafc28ad7/bin/utaipan-verify-NcY6lQBIFX/data/3f2abd0d2/05d0ccd970fd4c51aa8ba468baa8bc9d [2023-11-12 00:59:40,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:59:40,337 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:59:40,338 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:40,338 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:59:40,345 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:59:40,346 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:40" (1/1) ... [2023-11-12 00:59:40,347 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@712d9a25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:40, skipping insertion in model container [2023-11-12 00:59:40,347 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:40" (1/1) ... [2023-11-12 00:59:40,595 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:59:44,316 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_d7fcdc19-3eef-40f0-9251-1bedafc28ad7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387172,387185] [2023-11-12 00:59:44,321 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_d7fcdc19-3eef-40f0-9251-1bedafc28ad7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387338,387351] [2023-11-12 00:59:44,322 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_d7fcdc19-3eef-40f0-9251-1bedafc28ad7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387502,387515] [2023-11-12 00:59:44,323 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_d7fcdc19-3eef-40f0-9251-1bedafc28ad7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387667,387680] [2023-11-12 00:59:44,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:59:44,407 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:59:44,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6022] [2023-11-12 00:59:44,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6025] [2023-11-12 00:59:44,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6028] [2023-11-12 00:59:44,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6031] [2023-11-12 00:59:44,692 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)); [7018] [2023-11-12 00:59:44,693 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)); [7025] [2023-11-12 00:59:44,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7032] [2023-11-12 00:59:44,743 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)); [8301-8302] [2023-11-12 00:59:44,758 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)); [8608-8609] [2023-11-12 00:59:44,762 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)); [8661-8662] [2023-11-12 00:59:44,763 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"); [8692] [2023-11-12 00:59:44,764 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"); [8695] [2023-11-12 00:59:44,764 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"); [8698] [2023-11-12 00:59:44,764 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"); [8701] [2023-11-12 00:59:44,765 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"); [8704] [2023-11-12 00:59:44,765 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)); [8734-8735] [2023-11-12 00:59:44,766 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"); [8765] [2023-11-12 00:59:44,767 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"); [8768] [2023-11-12 00:59:44,767 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"); [8771] [2023-11-12 00:59:44,767 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"); [8774] [2023-11-12 00:59:44,767 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"); [8777] [2023-11-12 00:59:44,769 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"); [8824] [2023-11-12 00:59:44,770 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"); [8827] [2023-11-12 00:59:44,770 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"); [8830] [2023-11-12 00:59:44,770 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"); [8833] [2023-11-12 00:59:44,770 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"); [8836] [2023-11-12 00:59:44,771 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"); [8872] [2023-11-12 00:59:44,771 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"); [8875] [2023-11-12 00:59:44,772 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"); [8878] [2023-11-12 00:59:44,773 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"); [8881] [2023-11-12 00:59:44,773 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"); [8884] [2023-11-12 00:59:44,775 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"); [8950] [2023-11-12 00:59:44,775 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"); [8953] [2023-11-12 00:59:44,776 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"); [8956] [2023-11-12 00:59:44,776 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"); [8959] [2023-11-12 00:59:44,776 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"); [8962] [2023-11-12 00:59:44,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [9530] [2023-11-12 00:59:44,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9533] [2023-11-12 00:59:44,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9536] [2023-11-12 00:59:44,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9539] [2023-11-12 00:59:44,797 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/d4e00c1/linux-kernel-locking-mutex/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [9575-9576] [2023-11-12 00:59:44,798 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"); [9581-9583] [2023-11-12 00:59:44,799 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/d4e00c1/linux-kernel-locking-mutex/lkbce/arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [9608-9609] [2023-11-12 00:59:44,799 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"); [9614-9616] [2023-11-12 00:59:44,800 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/d4e00c1/linux-kernel-locking-mutex/lkbce/arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [9640-9641] [2023-11-12 00:59:44,800 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"); [9646-9648] [2023-11-12 00:59:44,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [9674] [2023-11-12 00:59:44,801 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)); [9690] [2023-11-12 00:59:44,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [9746] [2023-11-12 00:59:44,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9749] [2023-11-12 00:59:44,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9752] [2023-11-12 00:59:44,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9755] [2023-11-12 00:59:44,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [9794] [2023-11-12 00:59:44,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [9797] [2023-11-12 00:59:44,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [9799] [2023-11-12 00:59:44,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [9804] [2023-11-12 00:59:44,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [9807] [2023-11-12 00:59:44,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [9809] [2023-11-12 00:59:44,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [9814] [2023-11-12 00:59:44,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [9817] [2023-11-12 00:59:44,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [9819] [2023-11-12 00:59:44,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [9824] [2023-11-12 00:59:44,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [9827] [2023-11-12 00:59:44,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [9829] [2023-11-12 00:59:44,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [9867] [2023-11-12 00:59:44,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [9870] [2023-11-12 00:59:44,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [9872] [2023-11-12 00:59:44,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [9877] [2023-11-12 00:59:44,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [9880] [2023-11-12 00:59:44,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [9882] [2023-11-12 00:59:44,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [9887] [2023-11-12 00:59:44,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [9890] [2023-11-12 00:59:44,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [9892] [2023-11-12 00:59:44,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [9897] [2023-11-12 00:59:44,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [9900] [2023-11-12 00:59:44,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [9902] [2023-11-12 00:59:44,823 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9986] [2023-11-12 00:59:44,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10017] [2023-11-12 00:59:44,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10052] [2023-11-12 00:59:44,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10061] [2023-11-12 00:59:44,969 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)); [12457-12458] [2023-11-12 00:59:44,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [12502] [2023-11-12 00:59:44,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [12505] [2023-11-12 00:59:44,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [12508] [2023-11-12 00:59:44,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [12511] [2023-11-12 00:59:45,032 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_d7fcdc19-3eef-40f0-9251-1bedafc28ad7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387172,387185] [2023-11-12 00:59:45,033 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_d7fcdc19-3eef-40f0-9251-1bedafc28ad7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387338,387351] [2023-11-12 00:59:45,034 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_d7fcdc19-3eef-40f0-9251-1bedafc28ad7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387502,387515] [2023-11-12 00:59:45,034 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_d7fcdc19-3eef-40f0-9251-1bedafc28ad7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387667,387680] [2023-11-12 00:59:45,044 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:59:45,208 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:59:45,208 WARN L672 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:59:45,208 WARN L672 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:59:45,209 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:59:45,209 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:59:45,217 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:59:45,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:45 WrapperNode [2023-11-12 00:59:45,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:45,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:59:45,219 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:59:45,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:59:45,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:45" (1/1) ... [2023-11-12 00:59:45,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:45" (1/1) ... [2023-11-12 00:59:45,809 INFO L138 Inliner]: procedures = 518, calls = 3839, calls flagged for inlining = 278, calls inlined = 255, statements flattened = 9579 [2023-11-12 00:59:45,810 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:59:45,811 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:59:45,811 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:59:45,811 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:59:45,821 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:45" (1/1) ... [2023-11-12 00:59:45,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:45" (1/1) ... [2023-11-12 00:59:45,875 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:45" (1/1) ... [2023-11-12 00:59:45,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:45" (1/1) ... [2023-11-12 00:59:46,174 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:45" (1/1) ... [2023-11-12 00:59:46,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:45" (1/1) ... [2023-11-12 00:59:46,240 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:45" (1/1) ... [2023-11-12 00:59:46,276 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:45" (1/1) ... [2023-11-12 00:59:46,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:59:46,334 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:59:46,334 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:59:46,334 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:59:46,335 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:45" (1/1) ... [2023-11-12 00:59:46,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:59:46,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7fcdc19-3eef-40f0-9251-1bedafc28ad7/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:59:46,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7fcdc19-3eef-40f0-9251-1bedafc28ad7/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:59:46,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7fcdc19-3eef-40f0-9251-1bedafc28ad7/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:59:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_evict_inode [2023-11-12 00:59:46,411 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_evict_inode [2023-11-12 00:59:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2023-11-12 00:59:46,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2023-11-12 00:59:46,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:59:46,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:59:46,412 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_unlink [2023-11-12 00:59:46,412 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_unlink [2023-11-12 00:59:46,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wq_mutex_of_autofs_sb_info [2023-11-12 00:59:46,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wq_mutex_of_autofs_sb_info [2023-11-12 00:59:46,413 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_get_inode [2023-11-12 00:59:46,413 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_get_inode [2023-11-12 00:59:46,413 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-12 00:59:46,413 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-12 00:59:46,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:59:46,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:59:46,414 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_lseek [2023-11-12 00:59:46,414 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_lseek [2023-11-12 00:59:46,415 INFO L130 BoogieDeclarations]: Found specification of procedure do_expire_wait [2023-11-12 00:59:46,415 INFO L138 BoogieDeclarations]: Found implementation of procedure do_expire_wait [2023-11-12 00:59:46,415 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-12 00:59:46,415 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-12 00:59:46,415 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2023-11-12 00:59:46,416 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2023-11-12 00:59:46,417 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2023-11-12 00:59:46,417 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2023-11-12 00:59:46,417 INFO L130 BoogieDeclarations]: Found specification of procedure current_kernel_time [2023-11-12 00:59:46,417 INFO L138 BoogieDeclarations]: Found implementation of procedure current_kernel_time [2023-11-12 00:59:46,417 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_indirect [2023-11-12 00:59:46,417 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_indirect [2023-11-12 00:59:46,418 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2023-11-12 00:59:46,418 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2023-11-12 00:59:46,418 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_clear_managed [2023-11-12 00:59:46,418 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_clear_managed [2023-11-12 00:59:46,418 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 00:59:46,419 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 00:59:46,419 INFO L130 BoogieDeclarations]: Found specification of procedure from_kgid_munged [2023-11-12 00:59:46,419 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kgid_munged [2023-11-12 00:59:46,419 INFO L130 BoogieDeclarations]: Found specification of procedure follow_down_one [2023-11-12 00:59:46,419 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_down_one [2023-11-12 00:59:46,420 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_show_options [2023-11-12 00:59:46,420 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_show_options [2023-11-12 00:59:46,421 INFO L130 BoogieDeclarations]: Found specification of procedure __autofs4_add_expiring [2023-11-12 00:59:46,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __autofs4_add_expiring [2023-11-12 00:59:46,421 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 00:59:46,421 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-12 00:59:46,422 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_wait [2023-11-12 00:59:46,422 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_wait [2023-11-12 00:59:46,422 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl [2023-11-12 00:59:46,422 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl [2023-11-12 00:59:46,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:59:46,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:59:46,423 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-11-12 00:59:46,424 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-11-12 00:59:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:59:46,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:59:46,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-12 00:59:46,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-12 00:59:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 00:59:46,429 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 00:59:46,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:59:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure d_count [2023-11-12 00:59:46,431 INFO L138 BoogieDeclarations]: Found implementation of procedure d_count [2023-11-12 00:59:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-12 00:59:46,437 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-12 00:59:46,437 INFO L130 BoogieDeclarations]: Found specification of procedure get_current___4 [2023-11-12 00:59:46,437 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current___4 [2023-11-12 00:59:46,437 INFO L130 BoogieDeclarations]: Found specification of procedure get_current___2 [2023-11-12 00:59:46,437 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current___2 [2023-11-12 00:59:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure from_kuid_munged [2023-11-12 00:59:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kuid_munged [2023-11-12 00:59:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-12 00:59:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-12 00:59:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 00:59:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 00:59:46,439 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2023-11-12 00:59:46,439 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2023-11-12 00:59:46,439 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_oz_mode [2023-11-12 00:59:46,439 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_oz_mode [2023-11-12 00:59:46,439 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_do_expire_multi [2023-11-12 00:59:46,439 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_do_expire_multi [2023-11-12 00:59:46,439 INFO L130 BoogieDeclarations]: Found specification of procedure __task_pid_nr_ns [2023-11-12 00:59:46,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __task_pid_nr_ns [2023-11-12 00:59:46,440 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 00:59:46,440 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 00:59:46,440 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_sbi [2023-11-12 00:59:46,440 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_sbi [2023-11-12 00:59:46,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:59:46,441 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-12 00:59:46,441 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-12 00:59:46,441 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_new_ino [2023-11-12 00:59:46,441 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_new_ino [2023-11-12 00:59:46,441 INFO L130 BoogieDeclarations]: Found specification of procedure simple_empty [2023-11-12 00:59:46,441 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_empty [2023-11-12 00:59:46,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:59:46,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:59:46,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:59:46,443 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_can_expire [2023-11-12 00:59:46,443 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_can_expire [2023-11-12 00:59:46,443 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_ino [2023-11-12 00:59:46,443 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_ino [2023-11-12 00:59:46,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:59:46,443 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2023-11-12 00:59:46,443 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2023-11-12 00:59:46,444 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_open [2023-11-12 00:59:46,444 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_open [2023-11-12 00:59:46,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:59:46,444 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:59:46,445 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_rmdir [2023-11-12 00:59:46,445 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_rmdir [2023-11-12 00:59:46,445 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount [2023-11-12 00:59:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount [2023-11-12 00:59:46,446 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl_exit [2023-11-12 00:59:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl_exit [2023-11-12 00:59:46,446 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-12 00:59:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-12 00:59:46,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:59:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:59:46,447 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_open [2023-11-12 00:59:46,447 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_open [2023-11-12 00:59:46,447 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-12 00:59:46,447 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-12 00:59:46,447 INFO L130 BoogieDeclarations]: Found specification of procedure clear_nlink [2023-11-12 00:59:46,447 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_nlink [2023-11-12 00:59:46,448 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_trigger [2023-11-12 00:59:46,448 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_trigger [2023-11-12 00:59:46,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:59:46,448 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2023-11-12 00:59:46,448 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2023-11-12 00:59:46,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:59:46,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:59:46,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:59:46,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:59:46,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2023-11-12 00:59:46,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2023-11-12 00:59:46,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-12 00:59:46,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-12 00:59:46,449 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2023-11-12 00:59:46,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-12 00:59:46,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-12 00:59:46,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:59:46,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:59:46,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:59:46,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:59:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 00:59:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure simple_positive [2023-11-12 00:59:46,452 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_positive [2023-11-12 00:59:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-12 00:59:46,452 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-12 00:59:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure path_get [2023-11-12 00:59:46,453 INFO L138 BoogieDeclarations]: Found implementation of procedure path_get [2023-11-12 00:59:46,453 INFO L130 BoogieDeclarations]: Found specification of procedure dget_dlock [2023-11-12 00:59:46,453 INFO L138 BoogieDeclarations]: Found implementation of procedure dget_dlock [2023-11-12 00:59:46,453 INFO L130 BoogieDeclarations]: Found specification of procedure d_lookup [2023-11-12 00:59:46,453 INFO L138 BoogieDeclarations]: Found implementation of procedure d_lookup [2023-11-12 00:59:46,453 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-12 00:59:46,454 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-12 00:59:46,454 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2023-11-12 00:59:46,454 INFO L138 BoogieDeclarations]: Found implementation of procedure recalc_sigpending [2023-11-12 00:59:46,454 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-12 00:59:46,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-12 00:59:46,455 INFO L130 BoogieDeclarations]: Found specification of procedure d_drop [2023-11-12 00:59:46,455 INFO L138 BoogieDeclarations]: Found implementation of procedure d_drop [2023-11-12 00:59:46,455 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_mount [2023-11-12 00:59:46,455 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_mount [2023-11-12 00:59:46,455 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_indirect [2023-11-12 00:59:46,455 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_indirect [2023-11-12 00:59:46,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:59:46,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:59:46,456 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_wait [2023-11-12 00:59:46,456 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_wait [2023-11-12 00:59:46,456 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 00:59:46,456 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 00:59:46,456 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl [2023-11-12 00:59:46,456 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl [2023-11-12 00:59:46,457 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-12 00:59:46,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-12 00:59:46,457 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2023-11-12 00:59:46,457 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2023-11-12 00:59:46,457 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2023-11-12 00:59:46,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2023-11-12 00:59:46,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:59:46,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:59:46,463 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait_release [2023-11-12 00:59:46,463 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait_release [2023-11-12 00:59:46,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:59:46,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:59:46,463 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl_unlocked [2023-11-12 00:59:46,463 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl_unlocked [2023-11-12 00:59:46,463 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2023-11-12 00:59:46,464 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2023-11-12 00:59:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure task_pgrp [2023-11-12 00:59:46,467 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pgrp [2023-11-12 00:59:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-12 00:59:46,467 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-12 00:59:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_compat_ioctl [2023-11-12 00:59:46,467 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_compat_ioctl [2023-11-12 00:59:46,468 INFO L130 BoogieDeclarations]: Found specification of procedure read_seqretry [2023-11-12 00:59:46,468 INFO L138 BoogieDeclarations]: Found implementation of procedure read_seqretry [2023-11-12 00:59:46,468 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-12 00:59:46,468 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-12 00:59:46,468 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_readdir [2023-11-12 00:59:46,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_readdir [2023-11-12 00:59:46,468 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2023-11-12 00:59:46,469 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2023-11-12 00:59:46,469 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-12 00:59:46,469 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-12 00:59:46,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pipe_mutex_of_autofs_sb_info [2023-11-12 00:59:46,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pipe_mutex_of_autofs_sb_info [2023-11-12 00:59:46,469 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount_tree [2023-11-12 00:59:46,469 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount_tree [2023-11-12 00:59:46,469 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-12 00:59:46,470 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-12 00:59:46,470 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2023-11-12 00:59:46,470 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2023-11-12 00:59:46,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:59:46,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:59:46,470 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_pid [2023-11-12 00:59:46,470 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_pid [2023-11-12 00:59:46,470 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2023-11-12 00:59:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2023-11-12 00:59:46,471 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_busy [2023-11-12 00:59:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_busy [2023-11-12 00:59:46,471 INFO L130 BoogieDeclarations]: Found specification of procedure d_unhashed [2023-11-12 00:59:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure d_unhashed [2023-11-12 00:59:46,471 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-12 00:59:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-12 00:59:46,472 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_kill_sb [2023-11-12 00:59:46,472 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_kill_sb [2023-11-12 00:59:46,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:59:46,472 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 00:59:46,472 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 00:59:46,472 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2023-11-12 00:59:46,472 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2023-11-12 00:59:46,472 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-12 00:59:46,473 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-12 00:59:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_set_managed [2023-11-12 00:59:46,473 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_set_managed [2023-11-12 00:59:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:59:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-11-12 00:59:46,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-11-12 00:59:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2023-11-12 00:59:46,473 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2023-11-12 00:59:46,474 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-12 00:59:46,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-12 00:59:46,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:59:46,474 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-12 00:59:46,474 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-12 00:59:46,474 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:59:46,474 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:59:46,474 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 00:59:46,475 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 00:59:46,475 INFO L130 BoogieDeclarations]: Found specification of procedure find_autofs_mount [2023-11-12 00:59:46,475 INFO L138 BoogieDeclarations]: Found implementation of procedure find_autofs_mount [2023-11-12 00:59:46,476 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-12 00:59:46,476 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-12 00:59:46,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_wq_mutex_of_autofs_sb_info [2023-11-12 00:59:46,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_wq_mutex_of_autofs_sb_info [2023-11-12 00:59:46,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:59:46,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:59:46,476 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_close [2023-11-12 00:59:46,477 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_close [2023-11-12 00:59:46,477 INFO L130 BoogieDeclarations]: Found specification of procedure ns_of_pid [2023-11-12 00:59:46,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_of_pid [2023-11-12 00:59:46,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 00:59:46,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 00:59:46,477 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-12 00:59:46,477 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-12 00:59:46,477 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_clean_ino [2023-11-12 00:59:46,478 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_clean_ino [2023-11-12 00:59:46,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wq_mutex_of_autofs_sb_info [2023-11-12 00:59:46,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wq_mutex_of_autofs_sb_info [2023-11-12 00:59:46,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-12 00:59:46,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-12 00:59:46,478 INFO L130 BoogieDeclarations]: Found specification of procedure kern_path_mountpoint [2023-11-12 00:59:46,478 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_path_mountpoint [2023-11-12 00:59:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_positive_dentry [2023-11-12 00:59:46,479 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_positive_dentry [2023-11-12 00:59:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:59:46,479 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:59:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure __managed_dentry_set_managed [2023-11-12 00:59:46,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __managed_dentry_set_managed [2023-11-12 00:59:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-12 00:59:46,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-12 00:59:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait [2023-11-12 00:59:46,480 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait [2023-11-12 00:59:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_find_wait [2023-11-12 00:59:46,480 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_find_wait [2023-11-12 00:59:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-12 00:59:46,480 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-12 00:59:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2023-11-12 00:59:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2023-11-12 00:59:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:59:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_release [2023-11-12 00:59:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_release [2023-11-12 00:59:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure task_pgrp_nr [2023-11-12 00:59:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pgrp_nr [2023-11-12 00:59:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-12 00:59:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-12 00:59:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:59:46,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:59:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2023-11-12 00:59:46,482 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2023-11-12 00:59:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_symlink [2023-11-12 00:59:46,482 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_symlink [2023-11-12 00:59:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2023-11-12 00:59:46,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2023-11-12 00:59:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2023-11-12 00:59:46,483 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2023-11-12 00:59:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-12 00:59:46,483 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-12 00:59:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure d_mountpoint [2023-11-12 00:59:46,483 INFO L138 BoogieDeclarations]: Found implementation of procedure d_mountpoint [2023-11-12 00:59:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-12 00:59:46,484 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-12 00:59:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure have_submounts [2023-11-12 00:59:46,484 INFO L138 BoogieDeclarations]: Found implementation of procedure have_submounts [2023-11-12 00:59:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-11-12 00:59:46,485 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-11-12 00:59:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-12 00:59:46,485 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-12 00:59:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-12 00:59:46,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-12 00:59:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-12 00:59:46,486 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-12 00:59:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_prepare_pipe [2023-11-12 00:59:46,486 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_prepare_pipe [2023-11-12 00:59:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:59:46,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:59:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_del_active [2023-11-12 00:59:46,487 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_del_active [2023-11-12 00:59:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 00:59:46,487 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 00:59:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-12 00:59:46,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-12 00:59:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_nested [2023-11-12 00:59:46,487 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_nested [2023-11-12 00:59:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-12 00:59:46,488 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-12 00:59:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:59:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure d_add [2023-11-12 00:59:46,488 INFO L138 BoogieDeclarations]: Found implementation of procedure d_add [2023-11-12 00:59:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_catatonic_mode [2023-11-12 00:59:46,488 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_catatonic_mode [2023-11-12 00:59:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure gid_eq [2023-11-12 00:59:46,489 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_eq [2023-11-12 00:59:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:59:46,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:59:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-12 00:59:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2023-11-12 00:59:46,489 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2023-11-12 00:59:47,774 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:59:47,780 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:59:48,163 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:59:49,005 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call ULTIMATE.dealloc(~#descriptor~12#1.base, ~#descriptor~12#1.offset);havoc ~#descriptor~12#1.base, ~#descriptor~12#1.offset; [2023-11-12 00:59:58,166 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:59:58,578 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:00:01,235 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:00:01,236 INFO L302 CfgBuilder]: Removed 13 assume(true) statements. [2023-11-12 01:00:01,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:01 BoogieIcfgContainer [2023-11-12 01:00:01,242 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:00:01,244 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:00:01,245 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:00:01,248 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:00:01,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:59:40" (1/3) ... [2023-11-12 01:00:01,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220ee28a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:00:01, skipping insertion in model container [2023-11-12 01:00:01,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:45" (2/3) ... [2023-11-12 01:00:01,250 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220ee28a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:00:01, skipping insertion in model container [2023-11-12 01:00:01,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:01" (3/3) ... [2023-11-12 01:00:01,251 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i [2023-11-12 01:00:01,272 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:00:01,272 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-12 01:00:01,391 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:00:01,397 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;@7886f39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:00:01,398 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-12 01:00:01,413 INFO L276 IsEmpty]: Start isEmpty. Operand has 2715 states, 1605 states have (on average 1.3046728971962618) internal successors, (2094), 1655 states have internal predecessors, (2094), 943 states have call successors, (943), 165 states have call predecessors, (943), 164 states have return successors, (932), 926 states have call predecessors, (932), 932 states have call successors, (932) [2023-11-12 01:00:01,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2023-11-12 01:00:01,467 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:01,468 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:00:01,469 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 01:00:01,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:01,475 INFO L85 PathProgramCache]: Analyzing trace with hash 2141020140, now seen corresponding path program 1 times [2023-11-12 01:00:01,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:00:01,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623832350] [2023-11-12 01:00:01,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:01,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:00:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:00:03,345 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2023-11-12 01:00:03,346 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:00:03,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623832350] [2023-11-12 01:00:03,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623832350] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:00:03,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:00:03,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:00:03,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494035754] [2023-11-12 01:00:03,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:00:03,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:00:03,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:00:03,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:00:03,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:00:03,417 INFO L87 Difference]: Start difference. First operand has 2715 states, 1605 states have (on average 1.3046728971962618) internal successors, (2094), 1655 states have internal predecessors, (2094), 943 states have call successors, (943), 165 states have call predecessors, (943), 164 states have return successors, (932), 926 states have call predecessors, (932), 932 states have call successors, (932) Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2023-11-12 01:00:05,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:00:08,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:00:10,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:00:12,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:00:15,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:00:17,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:00:18,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:00:18,072 INFO L93 Difference]: Finished difference Result 7863 states and 11630 transitions. [2023-11-12 01:00:18,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 01:00:18,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 465 [2023-11-12 01:00:18,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:00:18,141 INFO L225 Difference]: With dead ends: 7863 [2023-11-12 01:00:18,141 INFO L226 Difference]: Without dead ends: 5221 [2023-11-12 01:00:18,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:00:18,168 INFO L413 NwaCegarLoop]: 3554 mSDtfsCounter, 3732 mSDsluCounter, 3485 mSDsCounter, 0 mSdLazyCounter, 832 mSolverCounterSat, 11 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3732 SdHoareTripleChecker+Valid, 7039 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 832 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2023-11-12 01:00:18,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3732 Valid, 7039 Invalid, 849 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 832 Invalid, 6 Unknown, 0 Unchecked, 14.1s Time] [2023-11-12 01:00:18,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5221 states. [2023-11-12 01:00:18,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5221 to 5217. [2023-11-12 01:00:18,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5217 states, 3105 states have (on average 1.2998389694041868) internal successors, (4036), 3199 states have internal predecessors, (4036), 1785 states have call successors, (1785), 325 states have call predecessors, (1785), 324 states have return successors, (1781), 1769 states have call predecessors, (1781), 1781 states have call successors, (1781) [2023-11-12 01:00:18,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5217 states to 5217 states and 7602 transitions. [2023-11-12 01:00:18,752 INFO L78 Accepts]: Start accepts. Automaton has 5217 states and 7602 transitions. Word has length 465 [2023-11-12 01:00:18,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:00:18,759 INFO L495 AbstractCegarLoop]: Abstraction has 5217 states and 7602 transitions. [2023-11-12 01:00:18,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2023-11-12 01:00:18,760 INFO L276 IsEmpty]: Start isEmpty. Operand 5217 states and 7602 transitions. [2023-11-12 01:00:18,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2023-11-12 01:00:18,789 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:18,789 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:00:18,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 01:00:18,790 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 01:00:18,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:18,791 INFO L85 PathProgramCache]: Analyzing trace with hash 517174521, now seen corresponding path program 1 times [2023-11-12 01:00:18,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:00:18,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731308719] [2023-11-12 01:00:18,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:18,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:00:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:00:19,554 INFO L134 CoverageAnalysis]: Checked inductivity of 7659 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7659 trivial. 0 not checked. [2023-11-12 01:00:19,555 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:00:19,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731308719] [2023-11-12 01:00:19,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731308719] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:00:19,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:00:19,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:00:19,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826943837] [2023-11-12 01:00:19,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:00:19,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:00:19,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:00:19,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:00:19,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:00:19,561 INFO L87 Difference]: Start difference. First operand 5217 states and 7602 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2023-11-12 01:00:22,013 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 [] [2023-11-12 01:00:24,925 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 []