./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_bd87e9bc-1ac7-4476-973f-540ef6b483cf/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd87e9bc-1ac7-4476-973f-540ef6b483cf/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd87e9bc-1ac7-4476-973f-540ef6b483cf/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd87e9bc-1ac7-4476-973f-540ef6b483cf/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd87e9bc-1ac7-4476-973f-540ef6b483cf/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd87e9bc-1ac7-4476-973f-540ef6b483cf/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ebed12b86dce507000a7a0630996a9595573172c73db75fed69855441af252c1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:02:51,572 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:02:51,662 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd87e9bc-1ac7-4476-973f-540ef6b483cf/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-25 00:02:51,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:02:51,669 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:02:51,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:02:51,706 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:02:51,707 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:02:51,708 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:02:51,708 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:02:51,709 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:02:51,709 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:02:51,710 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:02:51,711 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:02:51,711 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:02:51,712 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:02:51,712 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:02:51,713 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:02:51,713 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:02:51,714 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:02:51,715 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:02:51,716 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:02:51,717 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:02:51,717 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:02:51,718 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:02:51,718 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:02:51,719 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:02:51,719 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:02:51,720 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:02:51,720 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:02:51,721 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:02:51,721 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:02:51,722 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:02:51,722 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:02:51,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:02:51,723 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:02:51,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:02:51,724 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:02:51,724 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:02:51,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:02:51,725 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:02:51,725 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:02:51,726 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:02:51,726 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:02:51,726 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_bd87e9bc-1ac7-4476-973f-540ef6b483cf/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd87e9bc-1ac7-4476-973f-540ef6b483cf/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebed12b86dce507000a7a0630996a9595573172c73db75fed69855441af252c1 [2023-11-25 00:02:52,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:02:52,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:02:52,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:02:52,061 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:02:52,063 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:02:52,064 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd87e9bc-1ac7-4476-973f-540ef6b483cf/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i [2023-11-25 00:02:55,173 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:02:55,907 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:02:55,908 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd87e9bc-1ac7-4476-973f-540ef6b483cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i [2023-11-25 00:02:55,975 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd87e9bc-1ac7-4476-973f-540ef6b483cf/bin/utaipan-verify-SwPr7d2a91/data/4457e3dc1/c72f2930ee8a4d5897010fb0109ead22/FLAG19134a448 [2023-11-25 00:02:55,996 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd87e9bc-1ac7-4476-973f-540ef6b483cf/bin/utaipan-verify-SwPr7d2a91/data/4457e3dc1/c72f2930ee8a4d5897010fb0109ead22 [2023-11-25 00:02:56,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:02:56,005 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:02:56,009 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:56,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:02:56,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:02:56,016 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:55" (1/1) ... [2023-11-25 00:02:56,017 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@be0822b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:56, skipping insertion in model container [2023-11-25 00:02:56,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:55" (1/1) ... [2023-11-25 00:02:56,180 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:03:00,344 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_bd87e9bc-1ac7-4476-973f-540ef6b483cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402143,402156] [2023-11-25 00:03:00,349 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_bd87e9bc-1ac7-4476-973f-540ef6b483cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402312,402325] [2023-11-25 00:03:00,350 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_bd87e9bc-1ac7-4476-973f-540ef6b483cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402479,402492] [2023-11-25 00:03:00,351 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_bd87e9bc-1ac7-4476-973f-540ef6b483cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402647,402660] [2023-11-25 00:03:00,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:03:00,460 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:03:00,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6019] [2023-11-25 00:03:00,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6022] [2023-11-25 00:03:00,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6025] [2023-11-25 00:03:00,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6028] [2023-11-25 00:03:00,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [7015] [2023-11-25 00:03:00,657 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [7022] [2023-11-25 00:03:00,657 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7029] [2023-11-25 00:03:00,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"fs/autofs4/root.c"), "i" (535), "i" (12UL)); [8347-8348] [2023-11-25 00:03:00,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"fs/autofs4/root.c"), "i" (718), "i" (12UL)); [8654-8655] [2023-11-25 00:03:00,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (p), "i" (4UL)); [8707-8708] [2023-11-25 00:03:00,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8738] [2023-11-25 00:03:00,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8741] [2023-11-25 00:03:00,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8744] [2023-11-25 00:03:00,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8747] [2023-11-25 00:03:00,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8750] [2023-11-25 00:03:00,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (p), "i" (8UL)); [8780-8781] [2023-11-25 00:03:00,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8811] [2023-11-25 00:03:00,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8814] [2023-11-25 00:03:00,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8817] [2023-11-25 00:03:00,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8820] [2023-11-25 00:03:00,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8823] [2023-11-25 00:03:00,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8870] [2023-11-25 00:03:00,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8873] [2023-11-25 00:03:00,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8876] [2023-11-25 00:03:00,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8879] [2023-11-25 00:03:00,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8882] [2023-11-25 00:03:00,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8918] [2023-11-25 00:03:00,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8921] [2023-11-25 00:03:00,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8924] [2023-11-25 00:03:00,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8927] [2023-11-25 00:03:00,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8930] [2023-11-25 00:03:00,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8996] [2023-11-25 00:03:00,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8999] [2023-11-25 00:03:00,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [9002] [2023-11-25 00:03:00,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [9005] [2023-11-25 00:03:00,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [9008] [2023-11-25 00:03:00,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [9626-9627] [2023-11-25 00:03:00,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [9632-9634] [2023-11-25 00:03:00,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [9659-9660] [2023-11-25 00:03:00,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [9665-9667] [2023-11-25 00:03:00,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [9691-9692] [2023-11-25 00:03:00,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [9697-9699] [2023-11-25 00:03:00,807 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [9725] [2023-11-25 00:03:00,808 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incq %0": "=m" (v->counter): "m" (v->counter)); [9741] [2023-11-25 00:03:00,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [9794] [2023-11-25 00:03:00,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9797] [2023-11-25 00:03:00,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9800] [2023-11-25 00:03:00,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9803] [2023-11-25 00:03:00,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [9842] [2023-11-25 00:03:00,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [9845] [2023-11-25 00:03:00,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [9847] [2023-11-25 00:03:00,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [9852] [2023-11-25 00:03:00,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [9855] [2023-11-25 00:03:00,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [9857] [2023-11-25 00:03:00,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [9862] [2023-11-25 00:03:00,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [9865] [2023-11-25 00:03:00,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [9867] [2023-11-25 00:03:00,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [9872] [2023-11-25 00:03:00,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [9875] [2023-11-25 00:03:00,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [9877] [2023-11-25 00:03:00,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [9915] [2023-11-25 00:03:00,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [9918] [2023-11-25 00:03:00,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [9920] [2023-11-25 00:03:00,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [9925] [2023-11-25 00:03:00,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [9928] [2023-11-25 00:03:00,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [9930] [2023-11-25 00:03:00,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [9935] [2023-11-25 00:03:00,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [9938] [2023-11-25 00:03:00,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [9940] [2023-11-25 00:03:00,822 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [9945] [2023-11-25 00:03:00,823 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [9948] [2023-11-25 00:03:00,823 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [9950] [2023-11-25 00:03:00,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10041] [2023-11-25 00:03:00,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10072] [2023-11-25 00:03:00,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10107] [2023-11-25 00:03:00,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10116] [2023-11-25 00:03:00,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (arg), "i" (4UL)); [12416-12417] [2023-11-25 00:03:01,040 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_bd87e9bc-1ac7-4476-973f-540ef6b483cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402143,402156] [2023-11-25 00:03:01,041 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_bd87e9bc-1ac7-4476-973f-540ef6b483cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402312,402325] [2023-11-25 00:03:01,041 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_bd87e9bc-1ac7-4476-973f-540ef6b483cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402479,402492] [2023-11-25 00:03:01,042 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_bd87e9bc-1ac7-4476-973f-540ef6b483cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402647,402660] [2023-11-25 00:03:01,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:03:01,265 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:03:01,266 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:03:01,266 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:03:01,266 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:03:01,266 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:03:01,274 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:03:01,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:01 WrapperNode [2023-11-25 00:03:01,275 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:03:01,276 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:03:01,276 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:03:01,276 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:03:01,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:01" (1/1) ... [2023-11-25 00:03:01,492 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:01" (1/1) ... [2023-11-25 00:03:01,830 INFO L138 Inliner]: procedures = 553, calls = 3918, calls flagged for inlining = 272, calls inlined = 248, statements flattened = 9555 [2023-11-25 00:03:01,831 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:03:01,833 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:03:01,833 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:03:01,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:03:01,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:01" (1/1) ... [2023-11-25 00:03:01,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:01" (1/1) ... [2023-11-25 00:03:01,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:01" (1/1) ... [2023-11-25 00:03:01,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:01" (1/1) ... [2023-11-25 00:03:02,184 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:01" (1/1) ... [2023-11-25 00:03:02,224 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:01" (1/1) ... [2023-11-25 00:03:02,280 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:01" (1/1) ... [2023-11-25 00:03:02,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:01" (1/1) ... [2023-11-25 00:03:02,376 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:03:02,378 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:03:02,378 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:03:02,378 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:03:02,379 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:01" (1/1) ... [2023-11-25 00:03:02,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:03:02,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd87e9bc-1ac7-4476-973f-540ef6b483cf/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:03:02,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd87e9bc-1ac7-4476-973f-540ef6b483cf/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:03:02,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd87e9bc-1ac7-4476-973f-540ef6b483cf/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:03:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_evict_inode [2023-11-25 00:03:02,458 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_evict_inode [2023-11-25 00:03:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2023-11-25 00:03:02,458 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2023-11-25 00:03:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-25 00:03:02,458 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-25 00:03:02,459 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_unlink [2023-11-25 00:03:02,459 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_unlink [2023-11-25 00:03:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_get_inode [2023-11-25 00:03:02,460 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_get_inode [2023-11-25 00:03:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-25 00:03:02,461 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-25 00:03:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-25 00:03:02,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-25 00:03:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_lseek [2023-11-25 00:03:02,461 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_lseek [2023-11-25 00:03:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure do_expire_wait [2023-11-25 00:03:02,461 INFO L138 BoogieDeclarations]: Found implementation of procedure do_expire_wait [2023-11-25 00:03:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-25 00:03:02,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-25 00:03:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-25 00:03:02,462 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-25 00:03:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2023-11-25 00:03:02,463 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2023-11-25 00:03:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2023-11-25 00:03:02,463 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2023-11-25 00:03:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure current_kernel_time [2023-11-25 00:03:02,464 INFO L138 BoogieDeclarations]: Found implementation of procedure current_kernel_time [2023-11-25 00:03:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_indirect [2023-11-25 00:03:02,465 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_indirect [2023-11-25 00:03:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2023-11-25 00:03:02,465 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2023-11-25 00:03:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_clear_managed [2023-11-25 00:03:02,465 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_clear_managed [2023-11-25 00:03:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure from_kgid_munged [2023-11-25 00:03:02,466 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kgid_munged [2023-11-25 00:03:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure follow_down_one [2023-11-25 00:03:02,466 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_down_one [2023-11-25 00:03:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_show_options [2023-11-25 00:03:02,467 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_show_options [2023-11-25 00:03:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_48 [2023-11-25 00:03:02,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_48 [2023-11-25 00:03:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_57 [2023-11-25 00:03:02,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_57 [2023-11-25 00:03:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure __autofs4_add_expiring [2023-11-25 00:03:02,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __autofs4_add_expiring [2023-11-25 00:03:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-25 00:03:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-25 00:03:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_wait [2023-11-25 00:03:02,469 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_wait [2023-11-25 00:03:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl [2023-11-25 00:03:02,470 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl [2023-11-25 00:03:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-25 00:03:02,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-25 00:03:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-11-25 00:03:02,470 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-11-25 00:03:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-25 00:03:02,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-25 00:03:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:03:02,472 INFO L130 BoogieDeclarations]: Found specification of procedure d_count [2023-11-25 00:03:02,474 INFO L138 BoogieDeclarations]: Found implementation of procedure d_count [2023-11-25 00:03:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-25 00:03:02,475 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-25 00:03:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure from_kuid_munged [2023-11-25 00:03:02,475 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kuid_munged [2023-11-25 00:03:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-25 00:03:02,475 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-25 00:03:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-25 00:03:02,475 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-25 00:03:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2023-11-25 00:03:02,476 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2023-11-25 00:03:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_oz_mode [2023-11-25 00:03:02,476 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_oz_mode [2023-11-25 00:03:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_do_expire_multi [2023-11-25 00:03:02,476 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_do_expire_multi [2023-11-25 00:03:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-11-25 00:03:02,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-11-25 00:03:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure __task_pid_nr_ns [2023-11-25 00:03:02,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __task_pid_nr_ns [2023-11-25 00:03:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-25 00:03:02,526 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-25 00:03:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_54 [2023-11-25 00:03:02,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_54 [2023-11-25 00:03:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_sbi [2023-11-25 00:03:02,526 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_sbi [2023-11-25 00:03:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-25 00:03:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-25 00:03:02,526 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-25 00:03:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-11-25 00:03:02,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-11-25 00:03:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_new_ino [2023-11-25 00:03:02,527 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_new_ino [2023-11-25 00:03:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure simple_empty [2023-11-25 00:03:02,527 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_empty [2023-11-25 00:03:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-25 00:03:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-25 00:03:02,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-25 00:03:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_can_expire [2023-11-25 00:03:02,527 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_can_expire [2023-11-25 00:03:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_ino [2023-11-25 00:03:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_ino [2023-11-25 00:03:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:03:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2023-11-25 00:03:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2023-11-25 00:03:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_open [2023-11-25 00:03:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_open [2023-11-25 00:03:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-25 00:03:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-25 00:03:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_rmdir [2023-11-25 00:03:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_rmdir [2023-11-25 00:03:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount [2023-11-25 00:03:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount [2023-11-25 00:03:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl_exit [2023-11-25 00:03:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl_exit [2023-11-25 00:03:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-25 00:03:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-25 00:03:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-25 00:03:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-25 00:03:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_open [2023-11-25 00:03:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_open [2023-11-25 00:03:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-25 00:03:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-25 00:03:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure clear_nlink [2023-11-25 00:03:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_nlink [2023-11-25 00:03:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_trigger [2023-11-25 00:03:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_trigger [2023-11-25 00:03:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-25 00:03:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-25 00:03:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:03:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2023-11-25 00:03:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2023-11-25 00:03:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-25 00:03:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-25 00:03:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-25 00:03:02,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-25 00:03:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2023-11-25 00:03:02,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2023-11-25 00:03:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-25 00:03:02,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-25 00:03:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2023-11-25 00:03:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-25 00:03:02,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-25 00:03:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:03:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-25 00:03:02,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-25 00:03:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:03:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-25 00:03:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure simple_positive [2023-11-25 00:03:02,532 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_positive [2023-11-25 00:03:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-25 00:03:02,532 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-25 00:03:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure path_get [2023-11-25 00:03:02,532 INFO L138 BoogieDeclarations]: Found implementation of procedure path_get [2023-11-25 00:03:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure dget_dlock [2023-11-25 00:03:02,532 INFO L138 BoogieDeclarations]: Found implementation of procedure dget_dlock [2023-11-25 00:03:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure d_lookup [2023-11-25 00:03:02,533 INFO L138 BoogieDeclarations]: Found implementation of procedure d_lookup [2023-11-25 00:03:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-25 00:03:02,533 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-25 00:03:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-25 00:03:02,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-25 00:03:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2023-11-25 00:03:02,533 INFO L138 BoogieDeclarations]: Found implementation of procedure recalc_sigpending [2023-11-25 00:03:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-25 00:03:02,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-25 00:03:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure d_drop [2023-11-25 00:03:02,533 INFO L138 BoogieDeclarations]: Found implementation of procedure d_drop [2023-11-25 00:03:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_mount [2023-11-25 00:03:02,534 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_mount [2023-11-25 00:03:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_indirect [2023-11-25 00:03:02,534 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_indirect [2023-11-25 00:03:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:03:02,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:03:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_wait [2023-11-25 00:03:02,534 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_wait [2023-11-25 00:03:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-25 00:03:02,534 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-25 00:03:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl [2023-11-25 00:03:02,535 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl [2023-11-25 00:03:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-25 00:03:02,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-25 00:03:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2023-11-25 00:03:02,535 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2023-11-25 00:03:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2023-11-25 00:03:02,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2023-11-25 00:03:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-25 00:03:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-25 00:03:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait_release [2023-11-25 00:03:02,535 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait_release [2023-11-25 00:03:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-25 00:03:02,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-25 00:03:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl_unlocked [2023-11-25 00:03:02,536 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl_unlocked [2023-11-25 00:03:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-25 00:03:02,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-25 00:03:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2023-11-25 00:03:02,536 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2023-11-25 00:03:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-25 00:03:02,536 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-25 00:03:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-11-25 00:03:02,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-11-25 00:03:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_compat_ioctl [2023-11-25 00:03:02,537 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_compat_ioctl [2023-11-25 00:03:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure read_seqretry [2023-11-25 00:03:02,537 INFO L138 BoogieDeclarations]: Found implementation of procedure read_seqretry [2023-11-25 00:03:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-11-25 00:03:02,537 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-11-25 00:03:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-25 00:03:02,537 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-25 00:03:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_readdir [2023-11-25 00:03:02,537 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_readdir [2023-11-25 00:03:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2023-11-25 00:03:02,538 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2023-11-25 00:03:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-25 00:03:02,538 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-25 00:03:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-25 00:03:02,538 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-25 00:03:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount_tree [2023-11-25 00:03:02,538 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount_tree [2023-11-25 00:03:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-25 00:03:02,538 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-25 00:03:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2023-11-25 00:03:02,539 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2023-11-25 00:03:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-25 00:03:02,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-25 00:03:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_pid [2023-11-25 00:03:02,539 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_pid [2023-11-25 00:03:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2023-11-25 00:03:02,539 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2023-11-25 00:03:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_busy [2023-11-25 00:03:02,539 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_busy [2023-11-25 00:03:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure d_unhashed [2023-11-25 00:03:02,539 INFO L138 BoogieDeclarations]: Found implementation of procedure d_unhashed [2023-11-25 00:03:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-25 00:03:02,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-25 00:03:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_kill_sb [2023-11-25 00:03:02,540 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_kill_sb [2023-11-25 00:03:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:03:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-25 00:03:02,540 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-25 00:03:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2023-11-25 00:03:02,544 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2023-11-25 00:03:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-25 00:03:02,544 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-25 00:03:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_set_managed [2023-11-25 00:03:02,544 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_set_managed [2023-11-25 00:03:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:03:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-11-25 00:03:02,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-11-25 00:03:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2023-11-25 00:03:02,545 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2023-11-25 00:03:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-25 00:03:02,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-25 00:03:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:03:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-25 00:03:02,546 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-25 00:03:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-25 00:03:02,546 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-25 00:03:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-25 00:03:02,546 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-25 00:03:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure find_autofs_mount [2023-11-25 00:03:02,546 INFO L138 BoogieDeclarations]: Found implementation of procedure find_autofs_mount [2023-11-25 00:03:02,547 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-25 00:03:02,547 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-25 00:03:02,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-25 00:03:02,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-25 00:03:02,547 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_close [2023-11-25 00:03:02,547 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_close [2023-11-25 00:03:02,547 INFO L130 BoogieDeclarations]: Found specification of procedure ns_of_pid [2023-11-25 00:03:02,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_of_pid [2023-11-25 00:03:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-25 00:03:02,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-25 00:03:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_55 [2023-11-25 00:03:02,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_55 [2023-11-25 00:03:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-25 00:03:02,548 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-25 00:03:02,549 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_clean_ino [2023-11-25 00:03:02,549 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_clean_ino [2023-11-25 00:03:02,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_49 [2023-11-25 00:03:02,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_49 [2023-11-25 00:03:02,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2023-11-25 00:03:02,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2023-11-25 00:03:02,549 INFO L130 BoogieDeclarations]: Found specification of procedure kern_path_mountpoint [2023-11-25 00:03:02,550 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_path_mountpoint [2023-11-25 00:03:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_positive_dentry [2023-11-25 00:03:02,550 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_positive_dentry [2023-11-25 00:03:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-25 00:03:02,550 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-25 00:03:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure __managed_dentry_set_managed [2023-11-25 00:03:02,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __managed_dentry_set_managed [2023-11-25 00:03:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait [2023-11-25 00:03:02,551 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait [2023-11-25 00:03:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_find_wait [2023-11-25 00:03:02,551 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_find_wait [2023-11-25 00:03:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-25 00:03:02,551 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-25 00:03:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2023-11-25 00:03:02,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2023-11-25 00:03:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:03:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_release [2023-11-25 00:03:02,552 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_release [2023-11-25 00:03:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure task_pgrp_nr [2023-11-25 00:03:02,552 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pgrp_nr [2023-11-25 00:03:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-25 00:03:02,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-25 00:03:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-25 00:03:02,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-25 00:03:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2023-11-25 00:03:02,553 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2023-11-25 00:03:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_symlink [2023-11-25 00:03:02,553 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_symlink [2023-11-25 00:03:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2023-11-25 00:03:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2023-11-25 00:03:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_78 [2023-11-25 00:03:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_78 [2023-11-25 00:03:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2023-11-25 00:03:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2023-11-25 00:03:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-25 00:03:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-25 00:03:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure d_mountpoint [2023-11-25 00:03:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure d_mountpoint [2023-11-25 00:03:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-25 00:03:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-25 00:03:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure have_submounts [2023-11-25 00:03:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure have_submounts [2023-11-25 00:03:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-11-25 00:03:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-11-25 00:03:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-25 00:03:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-25 00:03:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-25 00:03:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-25 00:03:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-25 00:03:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-25 00:03:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_prepare_pipe [2023-11-25 00:03:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_prepare_pipe [2023-11-25 00:03:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-25 00:03:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-25 00:03:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_del_active [2023-11-25 00:03:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_del_active [2023-11-25 00:03:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-25 00:03:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-25 00:03:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-25 00:03:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-25 00:03:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-25 00:03:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-25 00:03:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:03:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure d_add [2023-11-25 00:03:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure d_add [2023-11-25 00:03:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_catatonic_mode [2023-11-25 00:03:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_catatonic_mode [2023-11-25 00:03:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure gid_eq [2023-11-25 00:03:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_eq [2023-11-25 00:03:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-25 00:03:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-25 00:03:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-25 00:03:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2023-11-25 00:03:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2023-11-25 00:03:03,730 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:03:03,735 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:03:03,967 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-25 00:03:05,430 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; [2023-11-25 00:03:14,327 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-25 00:03:14,713 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:03:17,793 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:03:17,794 INFO L309 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-25 00:03:17,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:03:17 BoogieIcfgContainer [2023-11-25 00:03:17,797 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:03:17,801 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:03:17,801 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:03:17,804 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:03:17,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:02:55" (1/3) ... [2023-11-25 00:03:17,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@165faa51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:03:17, skipping insertion in model container [2023-11-25 00:03:17,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:01" (2/3) ... [2023-11-25 00:03:17,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@165faa51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:03:17, skipping insertion in model container [2023-11-25 00:03:17,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:03:17" (3/3) ... [2023-11-25 00:03:17,809 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i [2023-11-25 00:03:17,831 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:03:17,831 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-25 00:03:17,963 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:03:17,974 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;@603a3383, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:03:17,974 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-25 00:03:17,991 INFO L276 IsEmpty]: Start isEmpty. Operand has 2742 states, 1605 states have (on average 1.3052959501557633) internal successors, (2095), 1656 states have internal predecessors, (2095), 966 states have call successors, (966), 168 states have call predecessors, (966), 167 states have return successors, (955), 949 states have call predecessors, (955), 955 states have call successors, (955) [2023-11-25 00:03:18,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2023-11-25 00:03:18,039 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:03:18,040 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] [2023-11-25 00:03:18,041 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-25 00:03:18,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:03:18,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1924702902, now seen corresponding path program 1 times [2023-11-25 00:03:18,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:03:18,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129883323] [2023-11-25 00:03:18,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:18,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:03:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:03:19,896 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2023-11-25 00:03:19,897 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:03:19,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129883323] [2023-11-25 00:03:19,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129883323] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:03:19,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:03:19,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:03:19,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033946159] [2023-11-25 00:03:19,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:03:19,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:03:19,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:03:19,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:03:19,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:03:19,956 INFO L87 Difference]: Start difference. First operand has 2742 states, 1605 states have (on average 1.3052959501557633) internal successors, (2095), 1656 states have internal predecessors, (2095), 966 states have call successors, (966), 168 states have call predecessors, (966), 167 states have return successors, (955), 949 states have call predecessors, (955), 955 states have call successors, (955) Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2023-11-25 00:03:22,668 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 [] [2023-11-25 00:03:25,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:03:27,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:03:30,995 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 [] [2023-11-25 00:03:31,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:03:31,637 INFO L93 Difference]: Finished difference Result 7940 states and 11957 transitions. [2023-11-25 00:03:31,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:03:31,640 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 [2023-11-25 00:03:31,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:03:31,708 INFO L225 Difference]: With dead ends: 7940 [2023-11-25 00:03:31,708 INFO L226 Difference]: Without dead ends: 5271 [2023-11-25 00:03:31,739 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 [2023-11-25 00:03:31,742 INFO L413 NwaCegarLoop]: 3603 mSDtfsCounter, 3770 mSDsluCounter, 3534 mSDsCounter, 0 mSdLazyCounter, 827 mSolverCounterSat, 11 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3770 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 827 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:03:31,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3770 Valid, 7137 Invalid, 842 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 827 Invalid, 4 Unknown, 0 Unchecked, 11.0s Time] [2023-11-25 00:03:31,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5271 states. [2023-11-25 00:03:32,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5271 to 5265. [2023-11-25 00:03:32,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5265 states, 3104 states have (on average 1.2999355670103092) internal successors, (4035), 3199 states have internal predecessors, (4035), 1827 states have call successors, (1827), 331 states have call predecessors, (1827), 330 states have return successors, (1823), 1811 states have call predecessors, (1823), 1823 states have call successors, (1823) [2023-11-25 00:03:32,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5265 states to 5265 states and 7685 transitions. [2023-11-25 00:03:32,383 INFO L78 Accepts]: Start accepts. Automaton has 5265 states and 7685 transitions. Word has length 465 [2023-11-25 00:03:32,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:03:32,386 INFO L495 AbstractCegarLoop]: Abstraction has 5265 states and 7685 transitions. [2023-11-25 00:03:32,386 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) [2023-11-25 00:03:32,387 INFO L276 IsEmpty]: Start isEmpty. Operand 5265 states and 7685 transitions. [2023-11-25 00:03:32,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2023-11-25 00:03:32,410 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:03:32,411 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:03:32,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:03:32,411 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-25 00:03:32,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:03:32,413 INFO L85 PathProgramCache]: Analyzing trace with hash 590844867, now seen corresponding path program 1 times [2023-11-25 00:03:32,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:03:32,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998742445] [2023-11-25 00:03:32,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:32,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:03:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:03:33,253 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2023-11-25 00:03:33,253 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:03:33,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998742445] [2023-11-25 00:03:33,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998742445] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:03:33,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:03:33,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:03:33,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885119847] [2023-11-25 00:03:33,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:03:33,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:03:33,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:03:33,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:03:33,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:03:33,261 INFO L87 Difference]: Start difference. First operand 5265 states and 7685 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2023-11-25 00:03:35,731 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 [] [2023-11-25 00:03:38,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:03:40,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []