./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 9bd2c7ff 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_2ec60d1b-8e35-41a1-9577-6383e64723a5/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec60d1b-8e35-41a1-9577-6383e64723a5/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec60d1b-8e35-41a1-9577-6383e64723a5/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec60d1b-8e35-41a1-9577-6383e64723a5/bin/utaipan-verify-t7M7D8N6sZ/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_2ec60d1b-8e35-41a1-9577-6383e64723a5/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec60d1b-8e35-41a1-9577-6383e64723a5/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ebed12b86dce507000a7a0630996a9595573172c73db75fed69855441af252c1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:18:56,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:18:56,211 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec60d1b-8e35-41a1-9577-6383e64723a5/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:18:56,218 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:18:56,219 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:18:56,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:18:56,273 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:18:56,273 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:18:56,274 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:18:56,275 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:18:56,276 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:18:56,277 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:18:56,277 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:18:56,278 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:18:56,279 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:18:56,280 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:18:56,280 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:18:56,281 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:18:56,281 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:18:56,282 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:18:56,283 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:18:56,284 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:18:56,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:18:56,285 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:18:56,286 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:18:56,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:18:56,287 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:18:56,287 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:18:56,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:18:56,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:18:56,289 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:18:56,289 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:18:56,290 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:18:56,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:18:56,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:18:56,292 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:18:56,292 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:18:56,293 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:18:56,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:18:56,294 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:18:56,294 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:18:56,295 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:18:56,296 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_2ec60d1b-8e35-41a1-9577-6383e64723a5/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec60d1b-8e35-41a1-9577-6383e64723a5/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebed12b86dce507000a7a0630996a9595573172c73db75fed69855441af252c1 [2023-11-19 05:18:56,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:18:56,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:18:56,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:18:56,731 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:18:56,732 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:18:56,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec60d1b-8e35-41a1-9577-6383e64723a5/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i [2023-11-19 05:19:00,475 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:19:01,481 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:19:01,483 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec60d1b-8e35-41a1-9577-6383e64723a5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i [2023-11-19 05:19:01,561 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec60d1b-8e35-41a1-9577-6383e64723a5/bin/utaipan-verify-t7M7D8N6sZ/data/f167f7652/d40efce6e5c446e2b19ebe9d769db5ef/FLAGc82ab4e2d [2023-11-19 05:19:01,587 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec60d1b-8e35-41a1-9577-6383e64723a5/bin/utaipan-verify-t7M7D8N6sZ/data/f167f7652/d40efce6e5c446e2b19ebe9d769db5ef [2023-11-19 05:19:01,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:19:01,600 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:19:01,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:19:01,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:19:01,612 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:19:01,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:19:01" (1/1) ... [2023-11-19 05:19:01,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b58546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:01, skipping insertion in model container [2023-11-19 05:19:01,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:19:01" (1/1) ... [2023-11-19 05:19:01,844 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:19:06,402 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_2ec60d1b-8e35-41a1-9577-6383e64723a5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402143,402156] [2023-11-19 05:19:06,409 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_2ec60d1b-8e35-41a1-9577-6383e64723a5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402312,402325] [2023-11-19 05:19:06,410 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_2ec60d1b-8e35-41a1-9577-6383e64723a5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402479,402492] [2023-11-19 05:19:06,411 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_2ec60d1b-8e35-41a1-9577-6383e64723a5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402647,402660] [2023-11-19 05:19:06,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:19:06,566 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:19:06,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6019] [2023-11-19 05:19:06,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6022] [2023-11-19 05:19:06,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6025] [2023-11-19 05:19:06,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6028] [2023-11-19 05:19:06,847 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] [2023-11-19 05:19:06,847 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] [2023-11-19 05:19:06,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7029] [2023-11-19 05:19:06,917 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] [2023-11-19 05:19:07,003 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] [2023-11-19 05:19:07,007 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] [2023-11-19 05:19:07,007 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] [2023-11-19 05:19:07,008 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] [2023-11-19 05:19:07,008 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] [2023-11-19 05:19:07,008 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] [2023-11-19 05:19:07,008 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] [2023-11-19 05:19:07,009 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] [2023-11-19 05:19:07,010 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] [2023-11-19 05:19:07,010 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] [2023-11-19 05:19:07,011 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] [2023-11-19 05:19:07,011 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] [2023-11-19 05:19:07,012 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] [2023-11-19 05:19:07,013 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] [2023-11-19 05:19:07,013 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] [2023-11-19 05:19:07,014 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] [2023-11-19 05:19:07,014 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] [2023-11-19 05:19:07,014 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] [2023-11-19 05:19:07,015 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] [2023-11-19 05:19:07,016 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] [2023-11-19 05:19:07,017 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] [2023-11-19 05:19:07,017 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] [2023-11-19 05:19:07,018 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] [2023-11-19 05:19:07,020 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] [2023-11-19 05:19:07,020 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] [2023-11-19 05:19:07,021 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] [2023-11-19 05:19:07,021 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] [2023-11-19 05:19:07,021 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] [2023-11-19 05:19:07,042 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] [2023-11-19 05:19:07,043 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] [2023-11-19 05:19:07,047 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] [2023-11-19 05:19:07,047 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] [2023-11-19 05:19:07,048 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] [2023-11-19 05:19:07,049 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] [2023-11-19 05:19:07,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [9725] [2023-11-19 05:19:07,056 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] [2023-11-19 05:19:07,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [9794] [2023-11-19 05:19:07,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9797] [2023-11-19 05:19:07,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9800] [2023-11-19 05:19:07,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9803] [2023-11-19 05:19:07,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [9842] [2023-11-19 05:19:07,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [9845] [2023-11-19 05:19:07,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [9847] [2023-11-19 05:19:07,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [9852] [2023-11-19 05:19:07,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [9855] [2023-11-19 05:19:07,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [9857] [2023-11-19 05:19:07,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [9862] [2023-11-19 05:19:07,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [9865] [2023-11-19 05:19:07,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [9867] [2023-11-19 05:19:07,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [9872] [2023-11-19 05:19:07,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [9875] [2023-11-19 05:19:07,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [9877] [2023-11-19 05:19:07,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [9915] [2023-11-19 05:19:07,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [9918] [2023-11-19 05:19:07,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [9920] [2023-11-19 05:19:07,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [9925] [2023-11-19 05:19:07,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [9928] [2023-11-19 05:19:07,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [9930] [2023-11-19 05:19:07,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [9935] [2023-11-19 05:19:07,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [9938] [2023-11-19 05:19:07,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [9940] [2023-11-19 05:19:07,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [9945] [2023-11-19 05:19:07,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [9948] [2023-11-19 05:19:07,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [9950] [2023-11-19 05:19:07,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10041] [2023-11-19 05:19:07,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10072] [2023-11-19 05:19:07,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10107] [2023-11-19 05:19:07,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10116] [2023-11-19 05:19:07,180 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] [2023-11-19 05:19:07,257 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_2ec60d1b-8e35-41a1-9577-6383e64723a5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402143,402156] [2023-11-19 05:19:07,258 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_2ec60d1b-8e35-41a1-9577-6383e64723a5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402312,402325] [2023-11-19 05:19:07,259 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_2ec60d1b-8e35-41a1-9577-6383e64723a5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402479,402492] [2023-11-19 05:19:07,260 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_2ec60d1b-8e35-41a1-9577-6383e64723a5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402647,402660] [2023-11-19 05:19:07,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:19:07,594 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:19:07,595 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:19:07,595 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:19:07,595 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:19:07,595 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:19:07,605 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:19:07,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:07 WrapperNode [2023-11-19 05:19:07,606 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:19:07,607 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:19:07,608 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:19:07,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:19:07,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:07" (1/1) ... [2023-11-19 05:19:07,788 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:07" (1/1) ... [2023-11-19 05:19:08,145 INFO L138 Inliner]: procedures = 553, calls = 3918, calls flagged for inlining = 272, calls inlined = 248, statements flattened = 9465 [2023-11-19 05:19:08,146 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:19:08,147 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:19:08,147 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:19:08,148 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:19:08,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:07" (1/1) ... [2023-11-19 05:19:08,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:07" (1/1) ... [2023-11-19 05:19:08,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:07" (1/1) ... [2023-11-19 05:19:08,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:07" (1/1) ... [2023-11-19 05:19:08,547 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:07" (1/1) ... [2023-11-19 05:19:08,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:07" (1/1) ... [2023-11-19 05:19:08,661 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:07" (1/1) ... [2023-11-19 05:19:08,688 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:07" (1/1) ... [2023-11-19 05:19:08,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:19:08,762 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:19:08,762 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:19:08,762 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:19:08,763 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:07" (1/1) ... [2023-11-19 05:19:08,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:19:08,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec60d1b-8e35-41a1-9577-6383e64723a5/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:19:08,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec60d1b-8e35-41a1-9577-6383e64723a5/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:19:08,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec60d1b-8e35-41a1-9577-6383e64723a5/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:19:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_evict_inode [2023-11-19 05:19:08,871 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_evict_inode [2023-11-19 05:19:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2023-11-19 05:19:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2023-11-19 05:19:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:19:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:19:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_unlink [2023-11-19 05:19:08,873 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_unlink [2023-11-19 05:19:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_get_inode [2023-11-19 05:19:08,873 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_get_inode [2023-11-19 05:19:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-19 05:19:08,875 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-19 05:19:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:19:08,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:19:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_lseek [2023-11-19 05:19:08,876 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_lseek [2023-11-19 05:19:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure do_expire_wait [2023-11-19 05:19:08,876 INFO L138 BoogieDeclarations]: Found implementation of procedure do_expire_wait [2023-11-19 05:19:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 05:19:08,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 05:19:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-19 05:19:08,877 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-19 05:19:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2023-11-19 05:19:08,878 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2023-11-19 05:19:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2023-11-19 05:19:08,879 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2023-11-19 05:19:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure current_kernel_time [2023-11-19 05:19:08,879 INFO L138 BoogieDeclarations]: Found implementation of procedure current_kernel_time [2023-11-19 05:19:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_indirect [2023-11-19 05:19:08,880 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_indirect [2023-11-19 05:19:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2023-11-19 05:19:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2023-11-19 05:19:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_clear_managed [2023-11-19 05:19:08,882 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_clear_managed [2023-11-19 05:19:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure from_kgid_munged [2023-11-19 05:19:08,882 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kgid_munged [2023-11-19 05:19:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure follow_down_one [2023-11-19 05:19:08,883 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_down_one [2023-11-19 05:19:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_show_options [2023-11-19 05:19:08,883 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_show_options [2023-11-19 05:19:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_48 [2023-11-19 05:19:08,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_48 [2023-11-19 05:19:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_57 [2023-11-19 05:19:08,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_57 [2023-11-19 05:19:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure __autofs4_add_expiring [2023-11-19 05:19:08,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __autofs4_add_expiring [2023-11-19 05:19:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 05:19:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 05:19:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_wait [2023-11-19 05:19:08,886 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_wait [2023-11-19 05:19:08,887 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl [2023-11-19 05:19:08,887 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl [2023-11-19 05:19:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 05:19:08,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 05:19:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-11-19 05:19:08,888 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-11-19 05:19:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 05:19:08,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 05:19:08,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:19:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure d_count [2023-11-19 05:19:08,890 INFO L138 BoogieDeclarations]: Found implementation of procedure d_count [2023-11-19 05:19:08,891 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-19 05:19:08,895 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-19 05:19:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure from_kuid_munged [2023-11-19 05:19:08,896 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kuid_munged [2023-11-19 05:19:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 05:19:08,897 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 05:19:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 05:19:08,898 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 05:19:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2023-11-19 05:19:08,899 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2023-11-19 05:19:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_oz_mode [2023-11-19 05:19:08,906 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_oz_mode [2023-11-19 05:19:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_do_expire_multi [2023-11-19 05:19:08,907 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_do_expire_multi [2023-11-19 05:19:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-11-19 05:19:08,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-11-19 05:19:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure __task_pid_nr_ns [2023-11-19 05:19:08,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __task_pid_nr_ns [2023-11-19 05:19:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 05:19:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 05:19:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_54 [2023-11-19 05:19:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_54 [2023-11-19 05:19:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_sbi [2023-11-19 05:19:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_sbi [2023-11-19 05:19:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:19:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-19 05:19:08,910 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-19 05:19:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-11-19 05:19:08,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-11-19 05:19:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_new_ino [2023-11-19 05:19:08,911 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_new_ino [2023-11-19 05:19:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure simple_empty [2023-11-19 05:19:08,911 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_empty [2023-11-19 05:19:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:19:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 05:19:08,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 05:19:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_can_expire [2023-11-19 05:19:08,913 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_can_expire [2023-11-19 05:19:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_ino [2023-11-19 05:19:08,913 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_ino [2023-11-19 05:19:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:19:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2023-11-19 05:19:08,914 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2023-11-19 05:19:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_open [2023-11-19 05:19:08,914 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_open [2023-11-19 05:19:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 05:19:08,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 05:19:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_rmdir [2023-11-19 05:19:08,915 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_rmdir [2023-11-19 05:19:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount [2023-11-19 05:19:08,915 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount [2023-11-19 05:19:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl_exit [2023-11-19 05:19:08,916 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl_exit [2023-11-19 05:19:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-19 05:19:08,916 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-19 05:19:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 05:19:08,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 05:19:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_open [2023-11-19 05:19:08,917 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_open [2023-11-19 05:19:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 05:19:08,918 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 05:19:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure clear_nlink [2023-11-19 05:19:08,919 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_nlink [2023-11-19 05:19:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_trigger [2023-11-19 05:19:08,919 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_trigger [2023-11-19 05:19:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 05:19:08,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 05:19:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:19:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2023-11-19 05:19:08,920 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2023-11-19 05:19:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 05:19:08,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 05:19:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 05:19:08,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 05:19:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2023-11-19 05:19:08,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2023-11-19 05:19:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-19 05:19:08,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-19 05:19:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2023-11-19 05:19:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-19 05:19:08,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-19 05:19:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:19:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 05:19:08,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 05:19:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:19:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 05:19:08,924 INFO L130 BoogieDeclarations]: Found specification of procedure simple_positive [2023-11-19 05:19:08,924 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_positive [2023-11-19 05:19:08,924 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-19 05:19:08,924 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-19 05:19:08,924 INFO L130 BoogieDeclarations]: Found specification of procedure path_get [2023-11-19 05:19:08,925 INFO L138 BoogieDeclarations]: Found implementation of procedure path_get [2023-11-19 05:19:08,925 INFO L130 BoogieDeclarations]: Found specification of procedure dget_dlock [2023-11-19 05:19:08,925 INFO L138 BoogieDeclarations]: Found implementation of procedure dget_dlock [2023-11-19 05:19:08,925 INFO L130 BoogieDeclarations]: Found specification of procedure d_lookup [2023-11-19 05:19:08,925 INFO L138 BoogieDeclarations]: Found implementation of procedure d_lookup [2023-11-19 05:19:08,926 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-19 05:19:08,926 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-19 05:19:08,926 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-19 05:19:08,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-19 05:19:08,927 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2023-11-19 05:19:08,927 INFO L138 BoogieDeclarations]: Found implementation of procedure recalc_sigpending [2023-11-19 05:19:08,927 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-19 05:19:08,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-19 05:19:08,928 INFO L130 BoogieDeclarations]: Found specification of procedure d_drop [2023-11-19 05:19:08,928 INFO L138 BoogieDeclarations]: Found implementation of procedure d_drop [2023-11-19 05:19:08,928 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_mount [2023-11-19 05:19:08,928 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_mount [2023-11-19 05:19:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_indirect [2023-11-19 05:19:08,929 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_indirect [2023-11-19 05:19:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:19:08,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:19:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_wait [2023-11-19 05:19:08,930 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_wait [2023-11-19 05:19:08,930 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 05:19:08,930 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 05:19:08,930 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl [2023-11-19 05:19:08,930 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl [2023-11-19 05:19:08,931 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-19 05:19:08,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-19 05:19:08,931 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2023-11-19 05:19:08,931 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2023-11-19 05:19:08,932 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2023-11-19 05:19:08,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2023-11-19 05:19:08,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:19:08,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:19:08,932 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait_release [2023-11-19 05:19:08,934 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait_release [2023-11-19 05:19:08,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:19:08,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:19:08,939 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl_unlocked [2023-11-19 05:19:08,939 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl_unlocked [2023-11-19 05:19:08,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 05:19:08,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 05:19:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2023-11-19 05:19:08,940 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2023-11-19 05:19:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 05:19:08,941 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 05:19:08,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-11-19 05:19:08,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-11-19 05:19:08,943 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_compat_ioctl [2023-11-19 05:19:08,943 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_compat_ioctl [2023-11-19 05:19:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure read_seqretry [2023-11-19 05:19:08,944 INFO L138 BoogieDeclarations]: Found implementation of procedure read_seqretry [2023-11-19 05:19:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-11-19 05:19:08,944 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-11-19 05:19:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-19 05:19:08,945 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-19 05:19:08,945 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_readdir [2023-11-19 05:19:08,945 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_readdir [2023-11-19 05:19:08,945 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2023-11-19 05:19:08,945 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2023-11-19 05:19:08,946 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-19 05:19:08,946 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-19 05:19:08,946 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 05:19:08,946 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 05:19:08,946 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount_tree [2023-11-19 05:19:08,947 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount_tree [2023-11-19 05:19:08,947 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 05:19:08,947 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 05:19:08,947 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2023-11-19 05:19:08,947 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2023-11-19 05:19:08,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:19:08,948 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:19:08,948 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_pid [2023-11-19 05:19:08,948 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_pid [2023-11-19 05:19:08,948 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2023-11-19 05:19:08,949 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2023-11-19 05:19:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_busy [2023-11-19 05:19:08,949 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_busy [2023-11-19 05:19:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure d_unhashed [2023-11-19 05:19:08,949 INFO L138 BoogieDeclarations]: Found implementation of procedure d_unhashed [2023-11-19 05:19:08,950 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-19 05:19:08,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-19 05:19:08,950 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_kill_sb [2023-11-19 05:19:08,950 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_kill_sb [2023-11-19 05:19:08,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:19:08,951 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 05:19:08,951 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 05:19:08,951 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2023-11-19 05:19:08,951 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2023-11-19 05:19:08,951 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-19 05:19:08,952 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-19 05:19:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_set_managed [2023-11-19 05:19:08,952 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_set_managed [2023-11-19 05:19:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:19:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-11-19 05:19:08,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-11-19 05:19:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2023-11-19 05:19:08,953 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2023-11-19 05:19:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 05:19:08,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 05:19:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:19:08,954 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-19 05:19:08,954 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-19 05:19:08,954 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:19:08,954 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:19:08,954 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 05:19:08,955 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 05:19:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure find_autofs_mount [2023-11-19 05:19:08,955 INFO L138 BoogieDeclarations]: Found implementation of procedure find_autofs_mount [2023-11-19 05:19:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 05:19:08,955 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 05:19:08,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 05:19:08,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 05:19:08,956 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_close [2023-11-19 05:19:08,956 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_close [2023-11-19 05:19:08,956 INFO L130 BoogieDeclarations]: Found specification of procedure ns_of_pid [2023-11-19 05:19:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_of_pid [2023-11-19 05:19:08,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 05:19:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 05:19:08,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_55 [2023-11-19 05:19:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_55 [2023-11-19 05:19:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 05:19:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 05:19:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_clean_ino [2023-11-19 05:19:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_clean_ino [2023-11-19 05:19:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_49 [2023-11-19 05:19:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_49 [2023-11-19 05:19:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2023-11-19 05:19:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2023-11-19 05:19:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure kern_path_mountpoint [2023-11-19 05:19:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_path_mountpoint [2023-11-19 05:19:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_positive_dentry [2023-11-19 05:19:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_positive_dentry [2023-11-19 05:19:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:19:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:19:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure __managed_dentry_set_managed [2023-11-19 05:19:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __managed_dentry_set_managed [2023-11-19 05:19:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait [2023-11-19 05:19:08,961 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait [2023-11-19 05:19:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_find_wait [2023-11-19 05:19:08,961 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_find_wait [2023-11-19 05:19:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-19 05:19:08,962 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-19 05:19:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2023-11-19 05:19:08,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2023-11-19 05:19:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:19:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_release [2023-11-19 05:19:08,962 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_release [2023-11-19 05:19:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure task_pgrp_nr [2023-11-19 05:19:08,963 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pgrp_nr [2023-11-19 05:19:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-19 05:19:08,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-19 05:19:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:19:08,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:19:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2023-11-19 05:19:08,964 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2023-11-19 05:19:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_symlink [2023-11-19 05:19:08,964 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_symlink [2023-11-19 05:19:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2023-11-19 05:19:08,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2023-11-19 05:19:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_78 [2023-11-19 05:19:08,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_78 [2023-11-19 05:19:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2023-11-19 05:19:08,966 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2023-11-19 05:19:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-19 05:19:08,966 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-19 05:19:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure d_mountpoint [2023-11-19 05:19:08,966 INFO L138 BoogieDeclarations]: Found implementation of procedure d_mountpoint [2023-11-19 05:19:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-19 05:19:08,967 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-19 05:19:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure have_submounts [2023-11-19 05:19:08,967 INFO L138 BoogieDeclarations]: Found implementation of procedure have_submounts [2023-11-19 05:19:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-11-19 05:19:08,969 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-11-19 05:19:08,969 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-19 05:19:08,969 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-19 05:19:08,969 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 05:19:08,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 05:19:08,970 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 05:19:08,970 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 05:19:08,970 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_prepare_pipe [2023-11-19 05:19:08,970 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_prepare_pipe [2023-11-19 05:19:08,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 05:19:08,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 05:19:08,971 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_del_active [2023-11-19 05:19:08,971 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_del_active [2023-11-19 05:19:08,971 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 05:19:08,971 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 05:19:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 05:19:08,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 05:19:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-19 05:19:08,972 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-19 05:19:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:19:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure d_add [2023-11-19 05:19:08,973 INFO L138 BoogieDeclarations]: Found implementation of procedure d_add [2023-11-19 05:19:08,973 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_catatonic_mode [2023-11-19 05:19:08,973 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_catatonic_mode [2023-11-19 05:19:08,973 INFO L130 BoogieDeclarations]: Found specification of procedure gid_eq [2023-11-19 05:19:08,973 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_eq [2023-11-19 05:19:08,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 05:19:08,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 05:19:08,974 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-19 05:19:08,974 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2023-11-19 05:19:08,974 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2023-11-19 05:19:10,432 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:19:10,438 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:19:10,774 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:19:11,625 INFO L767 $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; [2023-11-19 05:19:22,125 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 05:19:22,575 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:19:26,288 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:19:26,288 INFO L302 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-19 05:19:26,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:19:26 BoogieIcfgContainer [2023-11-19 05:19:26,315 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:19:26,319 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:19:26,319 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:19:26,323 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:19:26,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:19:01" (1/3) ... [2023-11-19 05:19:26,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c86157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:19:26, skipping insertion in model container [2023-11-19 05:19:26,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:07" (2/3) ... [2023-11-19 05:19:26,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c86157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:19:26, skipping insertion in model container [2023-11-19 05:19:26,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:19:26" (3/3) ... [2023-11-19 05:19:26,329 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i [2023-11-19 05:19:26,354 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:19:26,354 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-19 05:19:26,510 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:19:26,522 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;@18747ac6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:19:26,523 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-19 05:19:26,543 INFO L276 IsEmpty]: Start isEmpty. Operand has 2740 states, 1603 states have (on average 1.3056768558951966) internal successors, (2093), 1656 states have internal predecessors, (2093), 966 states have call successors, (966), 168 states have call predecessors, (966), 167 states have return successors, (955), 949 states have call predecessors, (955), 955 states have call successors, (955) [2023-11-19 05:19:26,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2023-11-19 05:19:26,619 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:19:26,621 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] [2023-11-19 05:19:26,622 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)] === [2023-11-19 05:19:26,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:19:26,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1274466413, now seen corresponding path program 1 times [2023-11-19 05:19:26,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:19:26,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549262212] [2023-11-19 05:19:26,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:19:26,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:19:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:19:28,780 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2023-11-19 05:19:28,780 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:19:28,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549262212] [2023-11-19 05:19:28,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549262212] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:19:28,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:19:28,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:19:28,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968857988] [2023-11-19 05:19:28,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:19:28,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:19:28,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:19:28,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:19:28,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:19:28,845 INFO L87 Difference]: Start difference. First operand has 2740 states, 1603 states have (on average 1.3056768558951966) internal successors, (2093), 1656 states have internal predecessors, (2093), 966 states have call successors, (966), 168 states have call predecessors, (966), 167 states have return successors, (955), 949 states have call predecessors, (955), 955 states have call successors, (955) Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2023-11-19 05:19:31,597 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 [] [2023-11-19 05:19:34,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:19:36,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:19:38,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:19:41,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:19:43,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:19:44,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:19:44,097 INFO L93 Difference]: Finished difference Result 7934 states and 11951 transitions. [2023-11-19 05:19:44,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:19:44,100 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 [2023-11-19 05:19:44,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:19:44,196 INFO L225 Difference]: With dead ends: 7934 [2023-11-19 05:19:44,196 INFO L226 Difference]: Without dead ends: 5267 [2023-11-19 05:19:44,237 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 [2023-11-19 05:19:44,248 INFO L413 NwaCegarLoop]: 3602 mSDtfsCounter, 3768 mSDsluCounter, 3533 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 11 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3768 SdHoareTripleChecker+Valid, 7135 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 824 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:19:44,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3768 Valid, 7135 Invalid, 841 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 824 Invalid, 6 Unknown, 0 Unchecked, 14.5s Time] [2023-11-19 05:19:44,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5267 states.