./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d7d7bc-5e05-41e8-ac89-aa62d37dc828/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d7d7bc-5e05-41e8-ac89-aa62d37dc828/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d7d7bc-5e05-41e8-ac89-aa62d37dc828/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d7d7bc-5e05-41e8-ac89-aa62d37dc828/bin/utaipan-verify-mE87zJ7Ire/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_d4d7d7bc-5e05-41e8-ac89-aa62d37dc828/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d7d7bc-5e05-41e8-ac89-aa62d37dc828/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4035b79a2162ba317b65ff4b4b50beff318d26f8217214f4a55e9e0e820898d1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:31:09,204 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:31:09,299 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d7d7bc-5e05-41e8-ac89-aa62d37dc828/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 20:31:09,313 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:31:09,313 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:31:09,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:31:09,339 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:31:09,340 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:31:09,340 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:31:09,341 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:31:09,341 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:31:09,342 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:31:09,343 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:31:09,343 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:31:09,344 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:31:09,344 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:31:09,345 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:31:09,345 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:31:09,346 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:31:09,346 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:31:09,347 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:31:09,348 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:31:09,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:31:09,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:31:09,350 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:31:09,350 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:31:09,351 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:31:09,351 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:31:09,352 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:31:09,352 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:31:09,353 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:31:09,353 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:31:09,354 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:31:09,354 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:31:09,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:09,355 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:31:09,356 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:31:09,356 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:31:09,357 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:31:09,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:31:09,357 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:31:09,358 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:31:09,358 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:31:09,358 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:31:09,358 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_d4d7d7bc-5e05-41e8-ac89-aa62d37dc828/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d7d7bc-5e05-41e8-ac89-aa62d37dc828/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4035b79a2162ba317b65ff4b4b50beff318d26f8217214f4a55e9e0e820898d1 [2023-11-23 20:31:09,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:31:09,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:31:09,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:31:09,698 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:31:09,699 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:31:09,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d7d7bc-5e05-41e8-ac89-aa62d37dc828/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i [2023-11-23 20:31:12,810 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:31:13,740 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:31:13,742 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d7d7bc-5e05-41e8-ac89-aa62d37dc828/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i [2023-11-23 20:31:13,827 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d7d7bc-5e05-41e8-ac89-aa62d37dc828/bin/utaipan-verify-mE87zJ7Ire/data/769d21f6f/cf541afdea4b4e6a96a972361caddb2b/FLAGb405fd9f4 [2023-11-23 20:31:13,852 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d7d7bc-5e05-41e8-ac89-aa62d37dc828/bin/utaipan-verify-mE87zJ7Ire/data/769d21f6f/cf541afdea4b4e6a96a972361caddb2b [2023-11-23 20:31:13,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:31:13,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:31:13,867 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:13,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:31:13,873 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:31:13,874 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:13" (1/1) ... [2023-11-23 20:31:13,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ec8e103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:13, skipping insertion in model container [2023-11-23 20:31:13,876 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:13" (1/1) ... [2023-11-23 20:31:14,083 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:31:17,653 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_d4d7d7bc-5e05-41e8-ac89-aa62d37dc828/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387172,387185] [2023-11-23 20:31:17,658 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_d4d7d7bc-5e05-41e8-ac89-aa62d37dc828/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387338,387351] [2023-11-23 20:31:17,659 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_d4d7d7bc-5e05-41e8-ac89-aa62d37dc828/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387502,387515] [2023-11-23 20:31:17,660 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_d4d7d7bc-5e05-41e8-ac89-aa62d37dc828/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387667,387680] [2023-11-23 20:31:17,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:17,785 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:31:17,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6022] [2023-11-23 20:31:17,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6025] [2023-11-23 20:31:17,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6028] [2023-11-23 20:31:17,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6031] [2023-11-23 20:31:18,131 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] [2023-11-23 20:31:18,132 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] [2023-11-23 20:31:18,133 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7032] [2023-11-23 20:31:18,186 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] [2023-11-23 20:31:18,203 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] [2023-11-23 20:31:18,206 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] [2023-11-23 20:31:18,207 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] [2023-11-23 20:31:18,208 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] [2023-11-23 20:31:18,208 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] [2023-11-23 20:31:18,208 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] [2023-11-23 20:31:18,209 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] [2023-11-23 20:31:18,210 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] [2023-11-23 20:31:18,211 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] [2023-11-23 20:31:18,211 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] [2023-11-23 20:31:18,211 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] [2023-11-23 20:31:18,212 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] [2023-11-23 20:31:18,212 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] [2023-11-23 20:31:18,213 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] [2023-11-23 20:31:18,214 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] [2023-11-23 20:31:18,214 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] [2023-11-23 20:31:18,215 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] [2023-11-23 20:31:18,215 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] [2023-11-23 20:31:18,216 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] [2023-11-23 20:31:18,217 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] [2023-11-23 20:31:18,218 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] [2023-11-23 20:31:18,218 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] [2023-11-23 20:31:18,218 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] [2023-11-23 20:31:18,221 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] [2023-11-23 20:31:18,221 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] [2023-11-23 20:31:18,222 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] [2023-11-23 20:31:18,222 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] [2023-11-23 20:31:18,222 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] [2023-11-23 20:31:18,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [9530] [2023-11-23 20:31:18,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9533] [2023-11-23 20:31:18,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9536] [2023-11-23 20:31:18,247 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9539] [2023-11-23 20:31:18,248 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] [2023-11-23 20:31:18,249 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] [2023-11-23 20:31:18,250 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] [2023-11-23 20:31:18,251 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] [2023-11-23 20:31:18,252 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] [2023-11-23 20:31:18,253 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] [2023-11-23 20:31:18,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [9674] [2023-11-23 20:31:18,255 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] [2023-11-23 20:31:18,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [9746] [2023-11-23 20:31:18,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9749] [2023-11-23 20:31:18,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9752] [2023-11-23 20:31:18,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9755] [2023-11-23 20:31:18,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [9794] [2023-11-23 20:31:18,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [9797] [2023-11-23 20:31:18,260 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [9799] [2023-11-23 20:31:18,261 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [9804] [2023-11-23 20:31:18,261 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [9807] [2023-11-23 20:31:18,261 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [9809] [2023-11-23 20:31:18,262 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [9814] [2023-11-23 20:31:18,263 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [9817] [2023-11-23 20:31:18,263 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [9819] [2023-11-23 20:31:18,263 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [9824] [2023-11-23 20:31:18,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [9827] [2023-11-23 20:31:18,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [9829] [2023-11-23 20:31:18,265 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [9867] [2023-11-23 20:31:18,265 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [9870] [2023-11-23 20:31:18,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [9872] [2023-11-23 20:31:18,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [9877] [2023-11-23 20:31:18,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [9880] [2023-11-23 20:31:18,267 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [9882] [2023-11-23 20:31:18,268 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [9887] [2023-11-23 20:31:18,268 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [9890] [2023-11-23 20:31:18,268 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [9892] [2023-11-23 20:31:18,269 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [9897] [2023-11-23 20:31:18,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [9900] [2023-11-23 20:31:18,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [9902] [2023-11-23 20:31:18,274 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9986] [2023-11-23 20:31:18,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10017] [2023-11-23 20:31:18,276 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10052] [2023-11-23 20:31:18,277 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10061] [2023-11-23 20:31:18,414 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] [2023-11-23 20:31:18,415 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [12502] [2023-11-23 20:31:18,415 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [12505] [2023-11-23 20:31:18,415 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [12508] [2023-11-23 20:31:18,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [12511] [2023-11-23 20:31:18,473 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_d4d7d7bc-5e05-41e8-ac89-aa62d37dc828/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387172,387185] [2023-11-23 20:31:18,474 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_d4d7d7bc-5e05-41e8-ac89-aa62d37dc828/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387338,387351] [2023-11-23 20:31:18,474 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_d4d7d7bc-5e05-41e8-ac89-aa62d37dc828/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387502,387515] [2023-11-23 20:31:18,475 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_d4d7d7bc-5e05-41e8-ac89-aa62d37dc828/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387667,387680] [2023-11-23 20:31:18,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:18,663 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:18,664 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:18,664 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:18,664 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:18,664 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:18,672 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:31:18,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:18 WrapperNode [2023-11-23 20:31:18,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:18,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:31:18,675 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:31:18,675 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:31:18,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:18" (1/1) ... [2023-11-23 20:31:18,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:18" (1/1) ... [2023-11-23 20:31:19,187 INFO L138 Inliner]: procedures = 518, calls = 3839, calls flagged for inlining = 278, calls inlined = 255, statements flattened = 9579 [2023-11-23 20:31:19,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:31:19,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:31:19,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:31:19,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:31:19,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:18" (1/1) ... [2023-11-23 20:31:19,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:18" (1/1) ... [2023-11-23 20:31:19,257 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:18" (1/1) ... [2023-11-23 20:31:19,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:18" (1/1) ... [2023-11-23 20:31:19,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:18" (1/1) ... [2023-11-23 20:31:19,639 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:18" (1/1) ... [2023-11-23 20:31:19,693 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:18" (1/1) ... [2023-11-23 20:31:19,718 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:18" (1/1) ... [2023-11-23 20:31:19,777 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:31:19,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:31:19,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:31:19,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:31:19,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:18" (1/1) ... [2023-11-23 20:31:19,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:19,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d7d7bc-5e05-41e8-ac89-aa62d37dc828/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:31:19,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d7d7bc-5e05-41e8-ac89-aa62d37dc828/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:31:19,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d7d7bc-5e05-41e8-ac89-aa62d37dc828/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:31:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_evict_inode [2023-11-23 20:31:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_evict_inode [2023-11-23 20:31:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2023-11-23 20:31:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2023-11-23 20:31:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 20:31:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 20:31:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_unlink [2023-11-23 20:31:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_unlink [2023-11-23 20:31:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wq_mutex_of_autofs_sb_info [2023-11-23 20:31:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wq_mutex_of_autofs_sb_info [2023-11-23 20:31:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_get_inode [2023-11-23 20:31:19,874 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_get_inode [2023-11-23 20:31:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-23 20:31:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-23 20:31:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 20:31:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 20:31:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_lseek [2023-11-23 20:31:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_lseek [2023-11-23 20:31:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure do_expire_wait [2023-11-23 20:31:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure do_expire_wait [2023-11-23 20:31:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-23 20:31:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-23 20:31:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2023-11-23 20:31:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2023-11-23 20:31:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2023-11-23 20:31:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2023-11-23 20:31:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure current_kernel_time [2023-11-23 20:31:19,879 INFO L138 BoogieDeclarations]: Found implementation of procedure current_kernel_time [2023-11-23 20:31:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_indirect [2023-11-23 20:31:19,879 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_indirect [2023-11-23 20:31:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2023-11-23 20:31:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2023-11-23 20:31:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_clear_managed [2023-11-23 20:31:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_clear_managed [2023-11-23 20:31:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 20:31:19,881 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 20:31:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure from_kgid_munged [2023-11-23 20:31:19,881 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kgid_munged [2023-11-23 20:31:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure follow_down_one [2023-11-23 20:31:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_down_one [2023-11-23 20:31:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_show_options [2023-11-23 20:31:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_show_options [2023-11-23 20:31:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure __autofs4_add_expiring [2023-11-23 20:31:19,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __autofs4_add_expiring [2023-11-23 20:31:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 20:31:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 20:31:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_wait [2023-11-23 20:31:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_wait [2023-11-23 20:31:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl [2023-11-23 20:31:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl [2023-11-23 20:31:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 20:31:19,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 20:31:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-11-23 20:31:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-11-23 20:31:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 20:31:19,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 20:31:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-23 20:31:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-23 20:31:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 20:31:19,895 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 20:31:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:31:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure d_count [2023-11-23 20:31:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure d_count [2023-11-23 20:31:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-23 20:31:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-23 20:31:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure get_current___4 [2023-11-23 20:31:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current___4 [2023-11-23 20:31:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure get_current___2 [2023-11-23 20:31:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current___2 [2023-11-23 20:31:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure from_kuid_munged [2023-11-23 20:31:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kuid_munged [2023-11-23 20:31:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 20:31:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 20:31:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 20:31:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 20:31:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2023-11-23 20:31:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2023-11-23 20:31:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_oz_mode [2023-11-23 20:31:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_oz_mode [2023-11-23 20:31:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_do_expire_multi [2023-11-23 20:31:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_do_expire_multi [2023-11-23 20:31:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure __task_pid_nr_ns [2023-11-23 20:31:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __task_pid_nr_ns [2023-11-23 20:31:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 20:31:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 20:31:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_sbi [2023-11-23 20:31:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_sbi [2023-11-23 20:31:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 20:31:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-23 20:31:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-23 20:31:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_new_ino [2023-11-23 20:31:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_new_ino [2023-11-23 20:31:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure simple_empty [2023-11-23 20:31:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_empty [2023-11-23 20:31:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:31:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 20:31:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 20:31:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_can_expire [2023-11-23 20:31:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_can_expire [2023-11-23 20:31:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_ino [2023-11-23 20:31:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_ino [2023-11-23 20:31:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:31:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2023-11-23 20:31:19,912 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2023-11-23 20:31:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_open [2023-11-23 20:31:19,912 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_open [2023-11-23 20:31:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 20:31:19,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 20:31:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_rmdir [2023-11-23 20:31:19,913 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_rmdir [2023-11-23 20:31:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount [2023-11-23 20:31:19,913 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount [2023-11-23 20:31:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl_exit [2023-11-23 20:31:19,914 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl_exit [2023-11-23 20:31:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-23 20:31:19,914 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-23 20:31:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 20:31:19,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 20:31:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_open [2023-11-23 20:31:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_open [2023-11-23 20:31:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-23 20:31:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-23 20:31:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure clear_nlink [2023-11-23 20:31:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_nlink [2023-11-23 20:31:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_trigger [2023-11-23 20:31:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_trigger [2023-11-23 20:31:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:31:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2023-11-23 20:31:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2023-11-23 20:31:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 20:31:19,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 20:31:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 20:31:19,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 20:31:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2023-11-23 20:31:19,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2023-11-23 20:31:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-23 20:31:19,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-23 20:31:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2023-11-23 20:31:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-23 20:31:19,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-23 20:31:19,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:31:19,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 20:31:19,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 20:31:19,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:31:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 20:31:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure simple_positive [2023-11-23 20:31:19,921 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_positive [2023-11-23 20:31:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-23 20:31:19,921 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-23 20:31:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure path_get [2023-11-23 20:31:19,922 INFO L138 BoogieDeclarations]: Found implementation of procedure path_get [2023-11-23 20:31:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure dget_dlock [2023-11-23 20:31:19,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dget_dlock [2023-11-23 20:31:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure d_lookup [2023-11-23 20:31:19,923 INFO L138 BoogieDeclarations]: Found implementation of procedure d_lookup [2023-11-23 20:31:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-23 20:31:19,923 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-23 20:31:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2023-11-23 20:31:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure recalc_sigpending [2023-11-23 20:31:19,924 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-23 20:31:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-23 20:31:19,924 INFO L130 BoogieDeclarations]: Found specification of procedure d_drop [2023-11-23 20:31:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure d_drop [2023-11-23 20:31:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_mount [2023-11-23 20:31:19,925 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_mount [2023-11-23 20:31:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_indirect [2023-11-23 20:31:19,925 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_indirect [2023-11-23 20:31:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:31:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:31:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_wait [2023-11-23 20:31:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_wait [2023-11-23 20:31:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 20:31:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 20:31:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl [2023-11-23 20:31:19,927 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl [2023-11-23 20:31:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-23 20:31:19,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-23 20:31:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2023-11-23 20:31:19,929 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2023-11-23 20:31:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2023-11-23 20:31:20,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2023-11-23 20:31:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 20:31:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 20:31:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait_release [2023-11-23 20:31:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait_release [2023-11-23 20:31:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 20:31:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 20:31:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl_unlocked [2023-11-23 20:31:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl_unlocked [2023-11-23 20:31:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2023-11-23 20:31:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2023-11-23 20:31:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure task_pgrp [2023-11-23 20:31:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pgrp [2023-11-23 20:31:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-23 20:31:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-23 20:31:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_compat_ioctl [2023-11-23 20:31:20,026 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_compat_ioctl [2023-11-23 20:31:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure read_seqretry [2023-11-23 20:31:20,026 INFO L138 BoogieDeclarations]: Found implementation of procedure read_seqretry [2023-11-23 20:31:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-23 20:31:20,026 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-23 20:31:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_readdir [2023-11-23 20:31:20,026 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_readdir [2023-11-23 20:31:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2023-11-23 20:31:20,026 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2023-11-23 20:31:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-23 20:31:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-23 20:31:20,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pipe_mutex_of_autofs_sb_info [2023-11-23 20:31:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pipe_mutex_of_autofs_sb_info [2023-11-23 20:31:20,027 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount_tree [2023-11-23 20:31:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount_tree [2023-11-23 20:31:20,027 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-23 20:31:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-23 20:31:20,027 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2023-11-23 20:31:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2023-11-23 20:31:20,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:31:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:31:20,027 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_pid [2023-11-23 20:31:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_pid [2023-11-23 20:31:20,027 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2023-11-23 20:31:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2023-11-23 20:31:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_busy [2023-11-23 20:31:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_busy [2023-11-23 20:31:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure d_unhashed [2023-11-23 20:31:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure d_unhashed [2023-11-23 20:31:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-23 20:31:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-23 20:31:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_kill_sb [2023-11-23 20:31:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_kill_sb [2023-11-23 20:31:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:31:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 20:31:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 20:31:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2023-11-23 20:31:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2023-11-23 20:31:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-23 20:31:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-23 20:31:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_set_managed [2023-11-23 20:31:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_set_managed [2023-11-23 20:31:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:31:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-11-23 20:31:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-11-23 20:31:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2023-11-23 20:31:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2023-11-23 20:31:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-23 20:31:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-23 20:31:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:31:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-23 20:31:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-23 20:31:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 20:31:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 20:31:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 20:31:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 20:31:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure find_autofs_mount [2023-11-23 20:31:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure find_autofs_mount [2023-11-23 20:31:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-23 20:31:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-23 20:31:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_wq_mutex_of_autofs_sb_info [2023-11-23 20:31:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_wq_mutex_of_autofs_sb_info [2023-11-23 20:31:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 20:31:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 20:31:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_close [2023-11-23 20:31:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_close [2023-11-23 20:31:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure ns_of_pid [2023-11-23 20:31:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_of_pid [2023-11-23 20:31:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 20:31:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 20:31:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 20:31:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 20:31:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_clean_ino [2023-11-23 20:31:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_clean_ino [2023-11-23 20:31:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wq_mutex_of_autofs_sb_info [2023-11-23 20:31:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wq_mutex_of_autofs_sb_info [2023-11-23 20:31:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-23 20:31:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-23 20:31:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure kern_path_mountpoint [2023-11-23 20:31:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_path_mountpoint [2023-11-23 20:31:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_positive_dentry [2023-11-23 20:31:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_positive_dentry [2023-11-23 20:31:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 20:31:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 20:31:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure __managed_dentry_set_managed [2023-11-23 20:31:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __managed_dentry_set_managed [2023-11-23 20:31:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-23 20:31:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-23 20:31:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait [2023-11-23 20:31:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait [2023-11-23 20:31:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_find_wait [2023-11-23 20:31:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_find_wait [2023-11-23 20:31:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-23 20:31:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-23 20:31:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2023-11-23 20:31:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2023-11-23 20:31:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:31:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_release [2023-11-23 20:31:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_release [2023-11-23 20:31:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure task_pgrp_nr [2023-11-23 20:31:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pgrp_nr [2023-11-23 20:31:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-23 20:31:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-23 20:31:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 20:31:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 20:31:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2023-11-23 20:31:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2023-11-23 20:31:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_symlink [2023-11-23 20:31:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_symlink [2023-11-23 20:31:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2023-11-23 20:31:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2023-11-23 20:31:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2023-11-23 20:31:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2023-11-23 20:31:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-23 20:31:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-23 20:31:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure d_mountpoint [2023-11-23 20:31:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure d_mountpoint [2023-11-23 20:31:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-23 20:31:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-23 20:31:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure have_submounts [2023-11-23 20:31:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure have_submounts [2023-11-23 20:31:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-11-23 20:31:20,035 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-11-23 20:31:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-23 20:31:20,035 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-23 20:31:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-23 20:31:20,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-23 20:31:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-23 20:31:20,035 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-23 20:31:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_prepare_pipe [2023-11-23 20:31:20,035 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_prepare_pipe [2023-11-23 20:31:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 20:31:20,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 20:31:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_del_active [2023-11-23 20:31:20,035 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_del_active [2023-11-23 20:31:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 20:31:20,036 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 20:31:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 20:31:20,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 20:31:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_nested [2023-11-23 20:31:20,036 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_nested [2023-11-23 20:31:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-23 20:31:20,039 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-23 20:31:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:31:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure d_add [2023-11-23 20:31:20,040 INFO L138 BoogieDeclarations]: Found implementation of procedure d_add [2023-11-23 20:31:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_catatonic_mode [2023-11-23 20:31:20,040 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_catatonic_mode [2023-11-23 20:31:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure gid_eq [2023-11-23 20:31:20,040 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_eq [2023-11-23 20:31:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 20:31:20,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 20:31:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-23 20:31:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2023-11-23 20:31:20,041 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2023-11-23 20:31:21,317 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:31:21,329 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:31:21,586 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 20:31:22,511 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call ULTIMATE.dealloc(~#descriptor~12#1.base, ~#descriptor~12#1.offset);havoc ~#descriptor~12#1.base, ~#descriptor~12#1.offset; [2023-11-23 20:31:31,574 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 20:31:31,850 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:31:34,846 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:31:34,847 INFO L309 CfgBuilder]: Removed 13 assume(true) statements. [2023-11-23 20:31:34,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:34 BoogieIcfgContainer [2023-11-23 20:31:34,851 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:31:34,854 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:31:34,854 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:31:34,857 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:31:34,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:31:13" (1/3) ... [2023-11-23 20:31:34,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1359439e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:34, skipping insertion in model container [2023-11-23 20:31:34,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:18" (2/3) ... [2023-11-23 20:31:34,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1359439e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:34, skipping insertion in model container [2023-11-23 20:31:34,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:34" (3/3) ... [2023-11-23 20:31:34,862 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i [2023-11-23 20:31:34,885 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:31:34,885 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-23 20:31:35,011 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:31:35,019 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;@6bfd17c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:31:35,019 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-23 20:31:35,038 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) [2023-11-23 20:31:35,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2023-11-23 20:31:35,087 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:35,089 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:31:35,089 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)] === [2023-11-23 20:31:35,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:35,096 INFO L85 PathProgramCache]: Analyzing trace with hash -2017007833, now seen corresponding path program 1 times [2023-11-23 20:31:35,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:31:35,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41422223] [2023-11-23 20:31:35,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:35,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:37,041 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2023-11-23 20:31:37,042 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:31:37,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41422223] [2023-11-23 20:31:37,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41422223] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:31:37,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:31:37,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:31:37,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837905954] [2023-11-23 20:31:37,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:31:37,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:31:37,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:31:37,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:31:37,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:31:37,113 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) [2023-11-23 20:31:39,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:31:42,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:31:44,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:31:46,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:31:50,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:31:50,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:31:50,542 INFO L93 Difference]: Finished difference Result 7863 states and 11630 transitions. [2023-11-23 20:31:50,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:31:50,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 465 [2023-11-23 20:31:50,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:31:50,612 INFO L225 Difference]: With dead ends: 7863 [2023-11-23 20:31:50,612 INFO L226 Difference]: Without dead ends: 5221 [2023-11-23 20:31:50,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:31:50,652 INFO L413 NwaCegarLoop]: 3554 mSDtfsCounter, 3732 mSDsluCounter, 3485 mSDsCounter, 0 mSdLazyCounter, 833 mSolverCounterSat, 11 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3732 SdHoareTripleChecker+Valid, 7039 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 833 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2023-11-23 20:31:50,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3732 Valid, 7039 Invalid, 849 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 833 Invalid, 5 Unknown, 0 Unchecked, 12.8s Time] [2023-11-23 20:31:50,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5221 states. [2023-11-23 20:31:51,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5221 to 5217. [2023-11-23 20:31:51,236 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) [2023-11-23 20:31:51,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5217 states to 5217 states and 7602 transitions. [2023-11-23 20:31:51,298 INFO L78 Accepts]: Start accepts. Automaton has 5217 states and 7602 transitions. Word has length 465 [2023-11-23 20:31:51,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:31:51,305 INFO L495 AbstractCegarLoop]: Abstraction has 5217 states and 7602 transitions. [2023-11-23 20:31:51,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2023-11-23 20:31:51,305 INFO L276 IsEmpty]: Start isEmpty. Operand 5217 states and 7602 transitions. [2023-11-23 20:31:51,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2023-11-23 20:31:51,339 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:51,341 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] [2023-11-23 20:31:51,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:31:51,342 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)] === [2023-11-23 20:31:51,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:51,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1142257244, now seen corresponding path program 1 times [2023-11-23 20:31:51,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:31:51,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863712661] [2023-11-23 20:31:51,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:51,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:52,072 INFO L134 CoverageAnalysis]: Checked inductivity of 7659 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7659 trivial. 0 not checked. [2023-11-23 20:31:52,073 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:31:52,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863712661] [2023-11-23 20:31:52,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863712661] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:31:52,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:31:52,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:31:52,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478689087] [2023-11-23 20:31:52,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:31:52,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:31:52,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:31:52,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:31:52,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:31:52,079 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) [2023-11-23 20:31:54,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:31:57,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:31:59,697 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 []