./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6349f6-3179-44f7-8a28-cde96a927fb8/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6349f6-3179-44f7-8a28-cde96a927fb8/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6349f6-3179-44f7-8a28-cde96a927fb8/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6349f6-3179-44f7-8a28-cde96a927fb8/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6349f6-3179-44f7-8a28-cde96a927fb8/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6349f6-3179-44f7-8a28-cde96a927fb8/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 371146a21f508450d2917c35c74c2cfe0e1080bf9001699397599cb4eb3a0e88 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:55:03,392 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:55:03,463 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6349f6-3179-44f7-8a28-cde96a927fb8/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:55:03,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:55:03,470 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:55:03,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:55:03,499 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:55:03,499 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:55:03,500 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:55:03,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:55:03,501 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:55:03,502 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:55:03,503 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:55:03,503 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:55:03,504 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:55:03,505 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:55:03,505 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:55:03,506 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:55:03,507 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:55:03,507 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:55:03,508 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:55:03,509 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:55:03,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:55:03,511 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:55:03,511 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:55:03,512 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:55:03,512 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:55:03,513 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:55:03,513 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:55:03,514 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:55:03,515 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:55:03,515 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:55:03,516 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:55:03,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:55:03,517 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:55:03,517 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:55:03,526 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:55:03,526 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:55:03,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:55:03,527 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:55:03,528 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:55:03,528 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:55:03,529 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_df6349f6-3179-44f7-8a28-cde96a927fb8/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6349f6-3179-44f7-8a28-cde96a927fb8/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 371146a21f508450d2917c35c74c2cfe0e1080bf9001699397599cb4eb3a0e88 [2023-11-12 00:55:03,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:55:03,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:55:03,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:55:03,867 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:55:03,870 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:55:03,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6349f6-3179-44f7-8a28-cde96a927fb8/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i [2023-11-12 00:55:07,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:55:07,922 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:55:07,924 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6349f6-3179-44f7-8a28-cde96a927fb8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i [2023-11-12 00:55:07,993 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6349f6-3179-44f7-8a28-cde96a927fb8/bin/utaipan-verify-NcY6lQBIFX/data/e8904aaa4/ad578bd584fe4df196cbc25790b17a69/FLAG43575c4d0 [2023-11-12 00:55:08,010 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6349f6-3179-44f7-8a28-cde96a927fb8/bin/utaipan-verify-NcY6lQBIFX/data/e8904aaa4/ad578bd584fe4df196cbc25790b17a69 [2023-11-12 00:55:08,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:55:08,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:55:08,017 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:55:08,017 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:55:08,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:55:08,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:55:08" (1/1) ... [2023-11-12 00:55:08,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@798a7506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:08, skipping insertion in model container [2023-11-12 00:55:08,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:55:08" (1/1) ... [2023-11-12 00:55:08,338 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:55:12,586 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_df6349f6-3179-44f7-8a28-cde96a927fb8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i[402539,402552] [2023-11-12 00:55:12,590 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_df6349f6-3179-44f7-8a28-cde96a927fb8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i[402684,402697] [2023-11-12 00:55:12,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:55:12,673 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:55:12,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6020] [2023-11-12 00:55:12,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6023] [2023-11-12 00:55:12,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6026] [2023-11-12 00:55:12,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6029] [2023-11-12 00:55:12,930 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)); [7017] [2023-11-12 00:55:12,930 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)); [7024] [2023-11-12 00:55:12,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7031] [2023-11-12 00:55:12,980 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)); [8335-8336] [2023-11-12 00:55:12,997 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)); [8642-8643] [2023-11-12 00:55:12,999 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)); [8695-8696] [2023-11-12 00:55:13,000 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"); [8726] [2023-11-12 00:55:13,000 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"); [8729] [2023-11-12 00:55:13,001 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"); [8732] [2023-11-12 00:55:13,001 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"); [8735] [2023-11-12 00:55:13,001 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"); [8738] [2023-11-12 00:55:13,002 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)); [8768-8769] [2023-11-12 00:55:13,003 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"); [8799] [2023-11-12 00:55:13,003 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"); [8802] [2023-11-12 00:55:13,003 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"); [8805] [2023-11-12 00:55:13,004 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"); [8808] [2023-11-12 00:55:13,004 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"); [8811] [2023-11-12 00:55:13,005 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"); [8858] [2023-11-12 00:55:13,005 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"); [8861] [2023-11-12 00:55:13,006 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"); [8864] [2023-11-12 00:55:13,006 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"); [8867] [2023-11-12 00:55:13,006 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"); [8870] [2023-11-12 00:55:13,007 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"); [8906] [2023-11-12 00:55:13,007 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"); [8909] [2023-11-12 00:55:13,007 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"); [8912] [2023-11-12 00:55:13,008 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"); [8915] [2023-11-12 00:55:13,008 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"); [8918] [2023-11-12 00:55:13,010 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"); [8984] [2023-11-12 00:55:13,011 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"); [8987] [2023-11-12 00:55:13,011 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"); [8990] [2023-11-12 00:55:13,011 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"); [8993] [2023-11-12 00:55:13,011 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"); [8996] [2023-11-12 00:55:13,038 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/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [9626-9627] [2023-11-12 00:55:13,039 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] [2023-11-12 00:55:13,040 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/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [9659-9660] [2023-11-12 00:55:13,040 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] [2023-11-12 00:55:13,043 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/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [9691-9692] [2023-11-12 00:55:13,044 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] [2023-11-12 00:55:13,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [9725] [2023-11-12 00:55:13,045 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] [2023-11-12 00:55:13,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [9794] [2023-11-12 00:55:13,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9797] [2023-11-12 00:55:13,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9800] [2023-11-12 00:55:13,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9803] [2023-11-12 00:55:13,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [9842] [2023-11-12 00:55:13,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [9845] [2023-11-12 00:55:13,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [9847] [2023-11-12 00:55:13,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [9852] [2023-11-12 00:55:13,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [9855] [2023-11-12 00:55:13,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [9857] [2023-11-12 00:55:13,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [9862] [2023-11-12 00:55:13,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [9865] [2023-11-12 00:55:13,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [9867] [2023-11-12 00:55:13,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [9872] [2023-11-12 00:55:13,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [9875] [2023-11-12 00:55:13,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [9877] [2023-11-12 00:55:13,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [9915] [2023-11-12 00:55:13,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [9918] [2023-11-12 00:55:13,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [9920] [2023-11-12 00:55:13,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [9925] [2023-11-12 00:55:13,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [9928] [2023-11-12 00:55:13,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [9930] [2023-11-12 00:55:13,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [9935] [2023-11-12 00:55:13,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [9938] [2023-11-12 00:55:13,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [9940] [2023-11-12 00:55:13,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [9945] [2023-11-12 00:55:13,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [9948] [2023-11-12 00:55:13,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [9950] [2023-11-12 00:55:13,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10041] [2023-11-12 00:55:13,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10072] [2023-11-12 00:55:13,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10107] [2023-11-12 00:55:13,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10116] [2023-11-12 00:55:13,181 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)); [12417-12418] [2023-11-12 00:55:13,239 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_df6349f6-3179-44f7-8a28-cde96a927fb8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i[402539,402552] [2023-11-12 00:55:13,240 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_df6349f6-3179-44f7-8a28-cde96a927fb8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i[402684,402697] [2023-11-12 00:55:13,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:55:13,498 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:55:13,502 WARN L672 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:55:13,503 WARN L672 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:55:13,503 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:55:13,503 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:55:13,511 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:55:13,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:13 WrapperNode [2023-11-12 00:55:13,512 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:55:13,513 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:55:13,513 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:55:13,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:55:13,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:13" (1/1) ... [2023-11-12 00:55:13,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:13" (1/1) ... [2023-11-12 00:55:14,038 INFO L138 Inliner]: procedures = 551, calls = 3977, calls flagged for inlining = 270, calls inlined = 246, statements flattened = 9514 [2023-11-12 00:55:14,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:55:14,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:55:14,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:55:14,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:55:14,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:13" (1/1) ... [2023-11-12 00:55:14,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:13" (1/1) ... [2023-11-12 00:55:14,160 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:13" (1/1) ... [2023-11-12 00:55:14,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:13" (1/1) ... [2023-11-12 00:55:14,354 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:13" (1/1) ... [2023-11-12 00:55:14,396 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:13" (1/1) ... [2023-11-12 00:55:14,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:13" (1/1) ... [2023-11-12 00:55:14,484 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:13" (1/1) ... [2023-11-12 00:55:14,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:55:14,547 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:55:14,547 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:55:14,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:55:14,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:13" (1/1) ... [2023-11-12 00:55:14,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:55:14,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6349f6-3179-44f7-8a28-cde96a927fb8/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:55:14,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6349f6-3179-44f7-8a28-cde96a927fb8/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:55:14,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6349f6-3179-44f7-8a28-cde96a927fb8/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:55:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_evict_inode [2023-11-12 00:55:14,644 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_evict_inode [2023-11-12 00:55:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2023-11-12 00:55:14,644 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2023-11-12 00:55:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:55:14,644 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:55:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_unlink [2023-11-12 00:55:14,645 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_unlink [2023-11-12 00:55:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_get_inode [2023-11-12 00:55:14,645 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_get_inode [2023-11-12 00:55:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-12 00:55:14,645 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-12 00:55:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:55:14,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:55:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_lseek [2023-11-12 00:55:14,646 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_lseek [2023-11-12 00:55:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure do_expire_wait [2023-11-12 00:55:14,646 INFO L138 BoogieDeclarations]: Found implementation of procedure do_expire_wait [2023-11-12 00:55:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-12 00:55:14,646 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-12 00:55:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2023-11-12 00:55:14,647 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2023-11-12 00:55:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2023-11-12 00:55:14,647 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2023-11-12 00:55:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure current_kernel_time [2023-11-12 00:55:14,647 INFO L138 BoogieDeclarations]: Found implementation of procedure current_kernel_time [2023-11-12 00:55:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_66 [2023-11-12 00:55:14,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_66 [2023-11-12 00:55:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_indirect [2023-11-12 00:55:14,648 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_indirect [2023-11-12 00:55:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2023-11-12 00:55:14,648 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2023-11-12 00:55:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_clear_managed [2023-11-12 00:55:14,648 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_clear_managed [2023-11-12 00:55:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure from_kgid_munged [2023-11-12 00:55:14,648 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kgid_munged [2023-11-12 00:55:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure follow_down_one [2023-11-12 00:55:14,649 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_down_one [2023-11-12 00:55:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_show_options [2023-11-12 00:55:14,649 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_show_options [2023-11-12 00:55:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure __autofs4_add_expiring [2023-11-12 00:55:14,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __autofs4_add_expiring [2023-11-12 00:55:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 00:55:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-12 00:55:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_wait [2023-11-12 00:55:14,650 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_wait [2023-11-12 00:55:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl [2023-11-12 00:55:14,650 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl [2023-11-12 00:55:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:55:14,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:55:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-11-12 00:55:14,650 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-11-12 00:55:14,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:55:14,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:55:14,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:55:14,651 INFO L130 BoogieDeclarations]: Found specification of procedure d_count [2023-11-12 00:55:14,651 INFO L138 BoogieDeclarations]: Found implementation of procedure d_count [2023-11-12 00:55:14,651 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-12 00:55:14,651 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-12 00:55:14,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_63 [2023-11-12 00:55:14,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_63 [2023-11-12 00:55:14,652 INFO L130 BoogieDeclarations]: Found specification of procedure from_kuid_munged [2023-11-12 00:55:14,652 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kuid_munged [2023-11-12 00:55:14,652 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-12 00:55:14,652 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-12 00:55:14,652 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 00:55:14,652 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 00:55:14,652 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2023-11-12 00:55:14,653 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2023-11-12 00:55:14,653 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_oz_mode [2023-11-12 00:55:14,653 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_oz_mode [2023-11-12 00:55:14,653 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_do_expire_multi [2023-11-12 00:55:14,653 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_do_expire_multi [2023-11-12 00:55:14,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-11-12 00:55:14,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-11-12 00:55:14,653 INFO L130 BoogieDeclarations]: Found specification of procedure __task_pid_nr_ns [2023-11-12 00:55:14,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __task_pid_nr_ns [2023-11-12 00:55:14,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_57 [2023-11-12 00:55:14,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_57 [2023-11-12 00:55:14,654 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 00:55:14,654 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 00:55:14,654 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_sbi [2023-11-12 00:55:14,654 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_sbi [2023-11-12 00:55:14,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:55:14,654 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-12 00:55:14,655 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-12 00:55:14,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-11-12 00:55:14,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-11-12 00:55:14,655 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_new_ino [2023-11-12 00:55:14,655 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_new_ino [2023-11-12 00:55:14,655 INFO L130 BoogieDeclarations]: Found specification of procedure simple_empty [2023-11-12 00:55:14,655 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_empty [2023-11-12 00:55:14,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:55:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:55:14,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:55:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_can_expire [2023-11-12 00:55:14,656 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_can_expire [2023-11-12 00:55:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_ino [2023-11-12 00:55:14,656 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_ino [2023-11-12 00:55:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:55:14,657 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2023-11-12 00:55:14,657 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2023-11-12 00:55:14,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-12 00:55:14,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-12 00:55:14,657 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_open [2023-11-12 00:55:14,658 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_open [2023-11-12 00:55:14,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:55:14,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:55:14,658 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_rmdir [2023-11-12 00:55:14,658 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_rmdir [2023-11-12 00:55:14,658 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount [2023-11-12 00:55:14,659 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount [2023-11-12 00:55:14,659 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl_exit [2023-11-12 00:55:14,659 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl_exit [2023-11-12 00:55:14,659 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-12 00:55:14,659 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-12 00:55:14,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:55:14,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:55:14,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 00:55:14,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 00:55:14,660 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_open [2023-11-12 00:55:14,660 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_open [2023-11-12 00:55:14,660 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-12 00:55:14,661 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-12 00:55:14,661 INFO L130 BoogieDeclarations]: Found specification of procedure clear_nlink [2023-11-12 00:55:14,661 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_nlink [2023-11-12 00:55:14,661 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_trigger [2023-11-12 00:55:14,661 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_trigger [2023-11-12 00:55:14,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:55:14,662 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2023-11-12 00:55:14,662 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2023-11-12 00:55:14,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:55:14,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:55:14,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:55:14,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:55:14,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2023-11-12 00:55:14,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2023-11-12 00:55:14,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-12 00:55:14,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-12 00:55:14,663 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2023-11-12 00:55:14,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-12 00:55:14,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-12 00:55:14,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:55:14,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:55:14,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:55:14,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:55:14,664 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 00:55:14,665 INFO L130 BoogieDeclarations]: Found specification of procedure simple_positive [2023-11-12 00:55:14,665 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_positive [2023-11-12 00:55:14,665 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-12 00:55:14,665 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-12 00:55:14,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-12 00:55:14,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-12 00:55:14,665 INFO L130 BoogieDeclarations]: Found specification of procedure path_get [2023-11-12 00:55:14,666 INFO L138 BoogieDeclarations]: Found implementation of procedure path_get [2023-11-12 00:55:14,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-12 00:55:14,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-12 00:55:14,666 INFO L130 BoogieDeclarations]: Found specification of procedure dget_dlock [2023-11-12 00:55:14,666 INFO L138 BoogieDeclarations]: Found implementation of procedure dget_dlock [2023-11-12 00:55:14,666 INFO L130 BoogieDeclarations]: Found specification of procedure d_lookup [2023-11-12 00:55:14,667 INFO L138 BoogieDeclarations]: Found implementation of procedure d_lookup [2023-11-12 00:55:14,667 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-12 00:55:14,667 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-12 00:55:14,667 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 00:55:14,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 00:55:14,667 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2023-11-12 00:55:14,668 INFO L138 BoogieDeclarations]: Found implementation of procedure recalc_sigpending [2023-11-12 00:55:14,668 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-12 00:55:14,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-12 00:55:14,668 INFO L130 BoogieDeclarations]: Found specification of procedure d_drop [2023-11-12 00:55:14,668 INFO L138 BoogieDeclarations]: Found implementation of procedure d_drop [2023-11-12 00:55:14,668 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_mount [2023-11-12 00:55:14,669 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_mount [2023-11-12 00:55:14,669 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_indirect [2023-11-12 00:55:14,669 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_indirect [2023-11-12 00:55:14,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:55:14,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:55:14,669 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_wait [2023-11-12 00:55:14,670 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_wait [2023-11-12 00:55:14,670 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 00:55:14,670 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 00:55:14,670 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl [2023-11-12 00:55:14,670 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl [2023-11-12 00:55:14,670 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-12 00:55:14,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-12 00:55:14,671 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2023-11-12 00:55:14,671 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2023-11-12 00:55:14,671 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2023-11-12 00:55:14,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2023-11-12 00:55:14,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:55:14,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:55:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait_release [2023-11-12 00:55:14,672 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait_release [2023-11-12 00:55:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:55:14,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:55:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl_unlocked [2023-11-12 00:55:14,672 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl_unlocked [2023-11-12 00:55:14,673 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2023-11-12 00:55:14,673 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2023-11-12 00:55:14,673 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-12 00:55:14,673 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-12 00:55:14,673 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_compat_ioctl [2023-11-12 00:55:14,673 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_compat_ioctl [2023-11-12 00:55:14,674 INFO L130 BoogieDeclarations]: Found specification of procedure read_seqretry [2023-11-12 00:55:14,674 INFO L138 BoogieDeclarations]: Found implementation of procedure read_seqretry [2023-11-12 00:55:14,674 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-11-12 00:55:14,674 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-11-12 00:55:14,674 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-12 00:55:14,674 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-12 00:55:14,675 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_readdir [2023-11-12 00:55:14,675 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_readdir [2023-11-12 00:55:14,675 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2023-11-12 00:55:14,675 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2023-11-12 00:55:14,675 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-12 00:55:14,675 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-12 00:55:14,676 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 00:55:14,676 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 00:55:14,676 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount_tree [2023-11-12 00:55:14,676 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount_tree [2023-11-12 00:55:14,676 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-12 00:55:14,676 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-12 00:55:14,677 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2023-11-12 00:55:14,677 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2023-11-12 00:55:14,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:55:14,677 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:55:14,760 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_pid [2023-11-12 00:55:14,760 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_pid [2023-11-12 00:55:14,760 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2023-11-12 00:55:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2023-11-12 00:55:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_busy [2023-11-12 00:55:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_busy [2023-11-12 00:55:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure d_unhashed [2023-11-12 00:55:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure d_unhashed [2023-11-12 00:55:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-12 00:55:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-12 00:55:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_kill_sb [2023-11-12 00:55:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_kill_sb [2023-11-12 00:55:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:55:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 00:55:14,762 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 00:55:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2023-11-12 00:55:14,762 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2023-11-12 00:55:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-12 00:55:14,762 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-12 00:55:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_set_managed [2023-11-12 00:55:14,762 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_set_managed [2023-11-12 00:55:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:55:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-11-12 00:55:14,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-11-12 00:55:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2023-11-12 00:55:14,762 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2023-11-12 00:55:14,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-12 00:55:14,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-12 00:55:14,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:55:14,763 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-12 00:55:14,763 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-12 00:55:14,763 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:55:14,763 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:55:14,763 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 00:55:14,763 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 00:55:14,763 INFO L130 BoogieDeclarations]: Found specification of procedure find_autofs_mount [2023-11-12 00:55:14,763 INFO L138 BoogieDeclarations]: Found implementation of procedure find_autofs_mount [2023-11-12 00:55:14,764 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 00:55:14,764 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 00:55:14,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:55:14,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:55:14,764 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_close [2023-11-12 00:55:14,764 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_close [2023-11-12 00:55:14,764 INFO L130 BoogieDeclarations]: Found specification of procedure ns_of_pid [2023-11-12 00:55:14,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_of_pid [2023-11-12 00:55:14,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 00:55:14,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 00:55:14,764 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-12 00:55:14,765 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-12 00:55:14,765 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_clean_ino [2023-11-12 00:55:14,765 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_clean_ino [2023-11-12 00:55:14,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_86 [2023-11-12 00:55:14,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_86 [2023-11-12 00:55:14,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_64 [2023-11-12 00:55:14,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_64 [2023-11-12 00:55:14,765 INFO L130 BoogieDeclarations]: Found specification of procedure kern_path_mountpoint [2023-11-12 00:55:14,765 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_path_mountpoint [2023-11-12 00:55:14,765 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_positive_dentry [2023-11-12 00:55:14,766 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_positive_dentry [2023-11-12 00:55:14,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_58 [2023-11-12 00:55:14,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_58 [2023-11-12 00:55:14,766 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:55:14,766 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:55:14,766 INFO L130 BoogieDeclarations]: Found specification of procedure __managed_dentry_set_managed [2023-11-12 00:55:14,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __managed_dentry_set_managed [2023-11-12 00:55:14,766 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait [2023-11-12 00:55:14,766 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait [2023-11-12 00:55:14,766 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_find_wait [2023-11-12 00:55:14,766 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_find_wait [2023-11-12 00:55:14,766 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-12 00:55:14,767 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-12 00:55:14,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2023-11-12 00:55:14,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2023-11-12 00:55:14,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:55:14,767 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_release [2023-11-12 00:55:14,767 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_release [2023-11-12 00:55:14,767 INFO L130 BoogieDeclarations]: Found specification of procedure task_pgrp_nr [2023-11-12 00:55:14,767 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pgrp_nr [2023-11-12 00:55:14,767 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-12 00:55:14,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-12 00:55:14,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:55:14,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:55:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_87 [2023-11-12 00:55:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_87 [2023-11-12 00:55:14,776 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2023-11-12 00:55:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2023-11-12 00:55:14,776 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_symlink [2023-11-12 00:55:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_symlink [2023-11-12 00:55:14,777 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2023-11-12 00:55:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2023-11-12 00:55:14,777 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2023-11-12 00:55:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2023-11-12 00:55:14,777 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-12 00:55:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-12 00:55:14,778 INFO L130 BoogieDeclarations]: Found specification of procedure d_mountpoint [2023-11-12 00:55:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure d_mountpoint [2023-11-12 00:55:14,778 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-12 00:55:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-12 00:55:14,779 INFO L130 BoogieDeclarations]: Found specification of procedure have_submounts [2023-11-12 00:55:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure have_submounts [2023-11-12 00:55:14,780 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-11-12 00:55:14,780 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-11-12 00:55:14,780 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-12 00:55:14,780 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-12 00:55:14,781 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-12 00:55:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-12 00:55:14,788 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-12 00:55:14,788 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-12 00:55:14,789 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_prepare_pipe [2023-11-12 00:55:14,789 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_prepare_pipe [2023-11-12 00:55:14,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:55:14,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:55:14,789 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_del_active [2023-11-12 00:55:14,789 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_del_active [2023-11-12 00:55:14,789 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 00:55:14,790 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 00:55:14,790 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-12 00:55:14,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-12 00:55:14,790 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-12 00:55:14,790 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-12 00:55:14,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:55:14,791 INFO L130 BoogieDeclarations]: Found specification of procedure d_add [2023-11-12 00:55:14,791 INFO L138 BoogieDeclarations]: Found implementation of procedure d_add [2023-11-12 00:55:14,791 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_catatonic_mode [2023-11-12 00:55:14,792 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_catatonic_mode [2023-11-12 00:55:14,792 INFO L130 BoogieDeclarations]: Found specification of procedure gid_eq [2023-11-12 00:55:14,792 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_eq [2023-11-12 00:55:14,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:55:14,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:55:14,792 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-12 00:55:14,792 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2023-11-12 00:55:14,793 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2023-11-12 00:55:16,001 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:55:16,007 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:55:16,351 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:55:17,456 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call ULTIMATE.dealloc(~#descriptor~12#1.base, ~#descriptor~12#1.offset);havoc ~#descriptor~12#1.base, ~#descriptor~12#1.offset; [2023-11-12 00:55:27,021 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:55:27,337 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:55:30,161 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:55:30,161 INFO L302 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-12 00:55:30,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:55:30 BoogieIcfgContainer [2023-11-12 00:55:30,170 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:55:30,172 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:55:30,172 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:55:30,176 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:55:30,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:55:08" (1/3) ... [2023-11-12 00:55:30,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@369b24fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:55:30, skipping insertion in model container [2023-11-12 00:55:30,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:13" (2/3) ... [2023-11-12 00:55:30,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@369b24fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:55:30, skipping insertion in model container [2023-11-12 00:55:30,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:55:30" (3/3) ... [2023-11-12 00:55:30,179 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i [2023-11-12 00:55:30,199 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:55:30,200 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:55:30,312 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:55:30,319 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;@646a02d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:55:30,320 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:55:30,335 INFO L276 IsEmpty]: Start isEmpty. Operand has 2738 states, 1599 states have (on average 1.3033145716072545) internal successors, (2084), 1649 states have internal predecessors, (2084), 971 states have call successors, (971), 168 states have call predecessors, (971), 167 states have return successors, (960), 954 states have call predecessors, (960), 960 states have call successors, (960) [2023-11-12 00:55:30,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2023-11-12 00:55:30,425 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:55:30,426 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:55:30,427 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:55:30,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:55:30,442 INFO L85 PathProgramCache]: Analyzing trace with hash -47251791, now seen corresponding path program 1 times [2023-11-12 00:55:30,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:55:30,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497849123] [2023-11-12 00:55:30,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:55:30,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:55:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:55:32,021 INFO L134 CoverageAnalysis]: Checked inductivity of 7665 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7665 trivial. 0 not checked. [2023-11-12 00:55:32,021 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:55:32,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497849123] [2023-11-12 00:55:32,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497849123] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:55:32,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:55:32,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:55:32,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846430990] [2023-11-12 00:55:32,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:55:32,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:55:32,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:55:32,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:55:32,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:55:32,087 INFO L87 Difference]: Start difference. First operand has 2738 states, 1599 states have (on average 1.3033145716072545) internal successors, (2084), 1649 states have internal predecessors, (2084), 971 states have call successors, (971), 168 states have call predecessors, (971), 167 states have return successors, (960), 954 states have call predecessors, (960), 960 states have call successors, (960) Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2023-11-12 00:55:34,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:55:37,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:55:39,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:55:42,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:55:44,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:55:45,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:55:45,431 INFO L93 Difference]: Finished difference Result 7800 states and 11490 transitions. [2023-11-12 00:55:45,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:55:45,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) Word has length 531 [2023-11-12 00:55:45,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:55:45,613 INFO L225 Difference]: With dead ends: 7800 [2023-11-12 00:55:45,613 INFO L226 Difference]: Without dead ends: 5088 [2023-11-12 00:55:45,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:55:45,647 INFO L413 NwaCegarLoop]: 3641 mSDtfsCounter, 3527 mSDsluCounter, 3574 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 7 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3527 SdHoareTripleChecker+Valid, 7215 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2023-11-12 00:55:45,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3527 Valid, 7215 Invalid, 853 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 841 Invalid, 5 Unknown, 0 Unchecked, 12.8s Time] [2023-11-12 00:55:45,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5088 states. [2023-11-12 00:55:46,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5088 to 5084. [2023-11-12 00:55:46,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5084 states, 2997 states have (on average 1.2979646312979647) internal successors, (3890), 3088 states have internal predecessors, (3890), 1761 states have call successors, (1761), 325 states have call predecessors, (1761), 325 states have return successors, (1761), 1747 states have call predecessors, (1761), 1761 states have call successors, (1761) [2023-11-12 00:55:46,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5084 states to 5084 states and 7412 transitions. [2023-11-12 00:55:46,210 INFO L78 Accepts]: Start accepts. Automaton has 5084 states and 7412 transitions. Word has length 531 [2023-11-12 00:55:46,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:55:46,217 INFO L495 AbstractCegarLoop]: Abstraction has 5084 states and 7412 transitions. [2023-11-12 00:55:46,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2023-11-12 00:55:46,218 INFO L276 IsEmpty]: Start isEmpty. Operand 5084 states and 7412 transitions. [2023-11-12 00:55:46,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2023-11-12 00:55:46,267 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:55:46,268 INFO L195 NwaCegarLoop]: trace histogram [46, 44, 44, 44, 44, 44, 44, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:55:46,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:55:46,269 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:55:46,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:55:46,270 INFO L85 PathProgramCache]: Analyzing trace with hash -576385798, now seen corresponding path program 1 times [2023-11-12 00:55:46,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:55:46,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038604224] [2023-11-12 00:55:46,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:55:46,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:55:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:55:47,487 INFO L134 CoverageAnalysis]: Checked inductivity of 7764 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7761 trivial. 0 not checked. [2023-11-12 00:55:47,488 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:55:47,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038604224] [2023-11-12 00:55:47,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038604224] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:55:47,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:55:47,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:55:47,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737114363] [2023-11-12 00:55:47,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:55:47,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:55:47,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:55:47,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:55:47,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:55:47,495 INFO L87 Difference]: Start difference. First operand 5084 states and 7412 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2023-11-12 00:55:49,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:55:52,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []