./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7bbee1-3988-48cc-be22-c23de22ddd57/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7bbee1-3988-48cc-be22-c23de22ddd57/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7bbee1-3988-48cc-be22-c23de22ddd57/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7bbee1-3988-48cc-be22-c23de22ddd57/bin/utaipan-verify-SwPr7d2a91/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_fa7bbee1-3988-48cc-be22-c23de22ddd57/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7bbee1-3988-48cc-be22-c23de22ddd57/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 371146a21f508450d2917c35c74c2cfe0e1080bf9001699397599cb4eb3a0e88 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:54:11,929 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:54:12,002 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7bbee1-3988-48cc-be22-c23de22ddd57/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:54:12,008 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:54:12,008 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:54:12,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:54:12,038 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:54:12,039 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:54:12,040 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:54:12,040 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:54:12,041 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:54:12,042 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:54:12,042 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:54:12,043 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:54:12,043 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:54:12,044 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:54:12,044 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:54:12,045 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:54:12,045 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:54:12,046 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:54:12,046 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:54:12,047 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:54:12,048 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:54:12,048 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:54:12,049 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:54:12,049 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:54:12,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:54:12,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:54:12,050 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:54:12,051 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:54:12,051 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:54:12,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:54:12,052 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:54:12,053 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:54:12,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:54:12,054 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:54:12,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:54:12,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:54:12,055 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:54:12,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:54:12,055 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:54:12,059 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:54:12,059 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:54:12,059 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:54:12,060 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_fa7bbee1-3988-48cc-be22-c23de22ddd57/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7bbee1-3988-48cc-be22-c23de22ddd57/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 371146a21f508450d2917c35c74c2cfe0e1080bf9001699397599cb4eb3a0e88 [2023-11-24 23:54:12,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:54:12,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:54:12,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:54:12,397 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:54:12,397 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:54:12,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7bbee1-3988-48cc-be22-c23de22ddd57/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i [2023-11-24 23:54:15,545 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:54:16,306 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:54:16,307 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7bbee1-3988-48cc-be22-c23de22ddd57/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i [2023-11-24 23:54:16,381 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7bbee1-3988-48cc-be22-c23de22ddd57/bin/utaipan-verify-SwPr7d2a91/data/145a0fdf6/72391a64476d45e8a4f9102f8ed987dc/FLAG4f4e33b40 [2023-11-24 23:54:16,403 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7bbee1-3988-48cc-be22-c23de22ddd57/bin/utaipan-verify-SwPr7d2a91/data/145a0fdf6/72391a64476d45e8a4f9102f8ed987dc [2023-11-24 23:54:16,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:54:16,413 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:54:16,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:54:16,417 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:54:16,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:54:16,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:54:16" (1/1) ... [2023-11-24 23:54:16,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1abdfa0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:16, skipping insertion in model container [2023-11-24 23:54:16,425 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:54:16" (1/1) ... [2023-11-24 23:54:16,646 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:54:20,756 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_fa7bbee1-3988-48cc-be22-c23de22ddd57/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i[402539,402552] [2023-11-24 23:54:20,761 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_fa7bbee1-3988-48cc-be22-c23de22ddd57/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i[402684,402697] [2023-11-24 23:54:20,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:54:20,848 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:54:20,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6020] [2023-11-24 23:54:20,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6023] [2023-11-24 23:54:20,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6026] [2023-11-24 23:54:20,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6029] [2023-11-24 23:54:21,107 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] [2023-11-24 23:54:21,108 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] [2023-11-24 23:54:21,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7031] [2023-11-24 23:54:21,172 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] [2023-11-24 23:54:21,192 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] [2023-11-24 23:54:21,196 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] [2023-11-24 23:54:21,197 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] [2023-11-24 23:54:21,197 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] [2023-11-24 23:54:21,198 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] [2023-11-24 23:54:21,198 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] [2023-11-24 23:54:21,198 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] [2023-11-24 23:54:21,199 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] [2023-11-24 23:54:21,200 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] [2023-11-24 23:54:21,201 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] [2023-11-24 23:54:21,201 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] [2023-11-24 23:54:21,201 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] [2023-11-24 23:54:21,202 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] [2023-11-24 23:54:21,203 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] [2023-11-24 23:54:21,203 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] [2023-11-24 23:54:21,204 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] [2023-11-24 23:54:21,204 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] [2023-11-24 23:54:21,204 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] [2023-11-24 23:54:21,205 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] [2023-11-24 23:54:21,206 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] [2023-11-24 23:54:21,206 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] [2023-11-24 23:54:21,207 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] [2023-11-24 23:54:21,207 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] [2023-11-24 23:54:21,209 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] [2023-11-24 23:54:21,210 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] [2023-11-24 23:54:21,210 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] [2023-11-24 23:54:21,210 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] [2023-11-24 23:54:21,211 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] [2023-11-24 23:54:21,236 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] [2023-11-24 23:54:21,236 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] [2023-11-24 23:54:21,238 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] [2023-11-24 23:54:21,239 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] [2023-11-24 23:54:21,240 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] [2023-11-24 23:54:21,241 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] [2023-11-24 23:54:21,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [9725] [2023-11-24 23:54:21,242 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] [2023-11-24 23:54:21,244 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [9794] [2023-11-24 23:54:21,244 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9797] [2023-11-24 23:54:21,244 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9800] [2023-11-24 23:54:21,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9803] [2023-11-24 23:54:21,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [9842] [2023-11-24 23:54:21,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [9845] [2023-11-24 23:54:21,247 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [9847] [2023-11-24 23:54:21,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [9852] [2023-11-24 23:54:21,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [9855] [2023-11-24 23:54:21,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [9857] [2023-11-24 23:54:21,250 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [9862] [2023-11-24 23:54:21,250 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [9865] [2023-11-24 23:54:21,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [9867] [2023-11-24 23:54:21,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [9872] [2023-11-24 23:54:21,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [9875] [2023-11-24 23:54:21,253 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [9877] [2023-11-24 23:54:21,255 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [9915] [2023-11-24 23:54:21,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [9918] [2023-11-24 23:54:21,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [9920] [2023-11-24 23:54:21,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [9925] [2023-11-24 23:54:21,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [9928] [2023-11-24 23:54:21,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [9930] [2023-11-24 23:54:21,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [9935] [2023-11-24 23:54:21,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [9938] [2023-11-24 23:54:21,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [9940] [2023-11-24 23:54:21,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [9945] [2023-11-24 23:54:21,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [9948] [2023-11-24 23:54:21,260 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [9950] [2023-11-24 23:54:21,262 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10041] [2023-11-24 23:54:21,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10072] [2023-11-24 23:54:21,265 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10107] [2023-11-24 23:54:21,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10116] [2023-11-24 23:54:21,353 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] [2023-11-24 23:54:21,457 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_fa7bbee1-3988-48cc-be22-c23de22ddd57/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i[402539,402552] [2023-11-24 23:54:21,458 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_fa7bbee1-3988-48cc-be22-c23de22ddd57/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i[402684,402697] [2023-11-24 23:54:21,466 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:54:21,652 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:54:21,653 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:54:21,653 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:54:21,653 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:54:21,653 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:54:21,661 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:54:21,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:21 WrapperNode [2023-11-24 23:54:21,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:54:21,663 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:54:21,664 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:54:21,664 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:54:21,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:21" (1/1) ... [2023-11-24 23:54:21,818 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:21" (1/1) ... [2023-11-24 23:54:22,197 INFO L138 Inliner]: procedures = 551, calls = 3977, calls flagged for inlining = 270, calls inlined = 246, statements flattened = 9618 [2023-11-24 23:54:22,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:54:22,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:54:22,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:54:22,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:54:22,214 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:21" (1/1) ... [2023-11-24 23:54:22,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:21" (1/1) ... [2023-11-24 23:54:22,249 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:21" (1/1) ... [2023-11-24 23:54:22,250 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:21" (1/1) ... [2023-11-24 23:54:22,420 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:21" (1/1) ... [2023-11-24 23:54:22,448 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:21" (1/1) ... [2023-11-24 23:54:22,596 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:21" (1/1) ... [2023-11-24 23:54:22,620 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:21" (1/1) ... [2023-11-24 23:54:22,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:54:22,682 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:54:22,682 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:54:22,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:54:22,683 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:21" (1/1) ... [2023-11-24 23:54:22,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:54:22,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7bbee1-3988-48cc-be22-c23de22ddd57/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:54:22,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7bbee1-3988-48cc-be22-c23de22ddd57/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:54:22,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7bbee1-3988-48cc-be22-c23de22ddd57/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:54:22,766 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_evict_inode [2023-11-24 23:54:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_evict_inode [2023-11-24 23:54:22,767 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2023-11-24 23:54:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2023-11-24 23:54:22,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 23:54:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 23:54:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_unlink [2023-11-24 23:54:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_unlink [2023-11-24 23:54:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_get_inode [2023-11-24 23:54:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_get_inode [2023-11-24 23:54:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-24 23:54:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-24 23:54:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:54:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:54:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_lseek [2023-11-24 23:54:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_lseek [2023-11-24 23:54:22,770 INFO L130 BoogieDeclarations]: Found specification of procedure do_expire_wait [2023-11-24 23:54:22,771 INFO L138 BoogieDeclarations]: Found implementation of procedure do_expire_wait [2023-11-24 23:54:22,771 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-24 23:54:22,771 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-24 23:54:22,771 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2023-11-24 23:54:22,771 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2023-11-24 23:54:22,771 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2023-11-24 23:54:22,772 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2023-11-24 23:54:22,772 INFO L130 BoogieDeclarations]: Found specification of procedure current_kernel_time [2023-11-24 23:54:22,772 INFO L138 BoogieDeclarations]: Found implementation of procedure current_kernel_time [2023-11-24 23:54:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_66 [2023-11-24 23:54:22,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_66 [2023-11-24 23:54:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_indirect [2023-11-24 23:54:22,773 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_indirect [2023-11-24 23:54:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2023-11-24 23:54:22,773 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2023-11-24 23:54:22,774 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_clear_managed [2023-11-24 23:54:22,775 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_clear_managed [2023-11-24 23:54:22,775 INFO L130 BoogieDeclarations]: Found specification of procedure from_kgid_munged [2023-11-24 23:54:22,775 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kgid_munged [2023-11-24 23:54:22,775 INFO L130 BoogieDeclarations]: Found specification of procedure follow_down_one [2023-11-24 23:54:22,775 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_down_one [2023-11-24 23:54:22,776 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_show_options [2023-11-24 23:54:22,776 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_show_options [2023-11-24 23:54:22,776 INFO L130 BoogieDeclarations]: Found specification of procedure __autofs4_add_expiring [2023-11-24 23:54:22,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __autofs4_add_expiring [2023-11-24 23:54:22,776 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-24 23:54:22,776 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 23:54:22,777 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_wait [2023-11-24 23:54:22,777 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_wait [2023-11-24 23:54:22,777 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl [2023-11-24 23:54:22,777 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl [2023-11-24 23:54:22,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-24 23:54:22,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-24 23:54:22,778 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-11-24 23:54:22,778 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-11-24 23:54:22,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 23:54:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 23:54:22,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:54:22,779 INFO L130 BoogieDeclarations]: Found specification of procedure d_count [2023-11-24 23:54:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure d_count [2023-11-24 23:54:22,780 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-24 23:54:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-24 23:54:22,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_63 [2023-11-24 23:54:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_63 [2023-11-24 23:54:22,780 INFO L130 BoogieDeclarations]: Found specification of procedure from_kuid_munged [2023-11-24 23:54:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kuid_munged [2023-11-24 23:54:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-24 23:54:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-24 23:54:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-24 23:54:22,785 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-24 23:54:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2023-11-24 23:54:22,786 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2023-11-24 23:54:22,786 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_oz_mode [2023-11-24 23:54:22,787 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_oz_mode [2023-11-24 23:54:22,787 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_do_expire_multi [2023-11-24 23:54:22,787 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_do_expire_multi [2023-11-24 23:54:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-11-24 23:54:22,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-11-24 23:54:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure __task_pid_nr_ns [2023-11-24 23:54:22,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __task_pid_nr_ns [2023-11-24 23:54:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_57 [2023-11-24 23:54:22,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_57 [2023-11-24 23:54:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-24 23:54:22,796 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-24 23:54:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_sbi [2023-11-24 23:54:22,796 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_sbi [2023-11-24 23:54:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:54:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-24 23:54:22,796 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-24 23:54:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-11-24 23:54:22,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-11-24 23:54:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_new_ino [2023-11-24 23:54:22,797 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_new_ino [2023-11-24 23:54:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure simple_empty [2023-11-24 23:54:22,797 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_empty [2023-11-24 23:54:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:54:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-24 23:54:22,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-24 23:54:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_can_expire [2023-11-24 23:54:22,798 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_can_expire [2023-11-24 23:54:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_ino [2023-11-24 23:54:22,798 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_ino [2023-11-24 23:54:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:54:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2023-11-24 23:54:22,799 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2023-11-24 23:54:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-24 23:54:22,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-24 23:54:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_open [2023-11-24 23:54:22,799 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_open [2023-11-24 23:54:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-24 23:54:22,799 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-24 23:54:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_rmdir [2023-11-24 23:54:22,800 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_rmdir [2023-11-24 23:54:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount [2023-11-24 23:54:22,800 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount [2023-11-24 23:54:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl_exit [2023-11-24 23:54:22,800 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl_exit [2023-11-24 23:54:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-24 23:54:22,801 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-24 23:54:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-24 23:54:22,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-24 23:54:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-24 23:54:22,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-24 23:54:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_open [2023-11-24 23:54:22,802 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_open [2023-11-24 23:54:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-24 23:54:22,802 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-24 23:54:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure clear_nlink [2023-11-24 23:54:22,803 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_nlink [2023-11-24 23:54:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_trigger [2023-11-24 23:54:22,803 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_trigger [2023-11-24 23:54:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:54:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2023-11-24 23:54:22,803 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2023-11-24 23:54:22,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-24 23:54:22,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-24 23:54:22,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-24 23:54:22,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-24 23:54:22,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2023-11-24 23:54:22,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2023-11-24 23:54:22,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-24 23:54:22,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-24 23:54:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2023-11-24 23:54:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-24 23:54:22,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-24 23:54:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:54:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-24 23:54:22,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-24 23:54:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:54:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-24 23:54:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure simple_positive [2023-11-24 23:54:22,806 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_positive [2023-11-24 23:54:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-24 23:54:22,806 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-24 23:54:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-24 23:54:22,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-24 23:54:22,807 INFO L130 BoogieDeclarations]: Found specification of procedure path_get [2023-11-24 23:54:22,807 INFO L138 BoogieDeclarations]: Found implementation of procedure path_get [2023-11-24 23:54:22,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-24 23:54:22,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-24 23:54:22,807 INFO L130 BoogieDeclarations]: Found specification of procedure dget_dlock [2023-11-24 23:54:22,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dget_dlock [2023-11-24 23:54:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure d_lookup [2023-11-24 23:54:22,808 INFO L138 BoogieDeclarations]: Found implementation of procedure d_lookup [2023-11-24 23:54:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-24 23:54:22,808 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-24 23:54:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-24 23:54:22,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-24 23:54:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2023-11-24 23:54:22,809 INFO L138 BoogieDeclarations]: Found implementation of procedure recalc_sigpending [2023-11-24 23:54:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-24 23:54:22,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-24 23:54:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure d_drop [2023-11-24 23:54:22,809 INFO L138 BoogieDeclarations]: Found implementation of procedure d_drop [2023-11-24 23:54:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_mount [2023-11-24 23:54:22,809 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_mount [2023-11-24 23:54:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_indirect [2023-11-24 23:54:22,810 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_indirect [2023-11-24 23:54:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:54:22,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:54:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_wait [2023-11-24 23:54:22,810 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_wait [2023-11-24 23:54:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-24 23:54:22,810 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-24 23:54:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl [2023-11-24 23:54:22,811 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl [2023-11-24 23:54:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-24 23:54:22,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-24 23:54:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2023-11-24 23:54:22,811 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2023-11-24 23:54:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2023-11-24 23:54:22,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2023-11-24 23:54:22,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:54:22,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:54:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait_release [2023-11-24 23:54:22,816 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait_release [2023-11-24 23:54:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:54:22,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:54:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl_unlocked [2023-11-24 23:54:22,817 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl_unlocked [2023-11-24 23:54:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2023-11-24 23:54:22,817 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2023-11-24 23:54:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-24 23:54:22,818 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-24 23:54:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_compat_ioctl [2023-11-24 23:54:22,819 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_compat_ioctl [2023-11-24 23:54:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure read_seqretry [2023-11-24 23:54:22,819 INFO L138 BoogieDeclarations]: Found implementation of procedure read_seqretry [2023-11-24 23:54:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-11-24 23:54:22,819 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-11-24 23:54:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-24 23:54:22,819 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-24 23:54:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_readdir [2023-11-24 23:54:22,820 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_readdir [2023-11-24 23:54:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2023-11-24 23:54:22,820 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2023-11-24 23:54:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-24 23:54:22,820 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-24 23:54:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-24 23:54:22,820 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-24 23:54:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount_tree [2023-11-24 23:54:22,821 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount_tree [2023-11-24 23:54:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-24 23:54:22,821 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-24 23:54:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2023-11-24 23:54:22,821 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2023-11-24 23:54:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:54:22,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:54:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_pid [2023-11-24 23:54:22,822 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_pid [2023-11-24 23:54:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2023-11-24 23:54:22,822 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2023-11-24 23:54:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_busy [2023-11-24 23:54:22,822 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_busy [2023-11-24 23:54:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure d_unhashed [2023-11-24 23:54:22,822 INFO L138 BoogieDeclarations]: Found implementation of procedure d_unhashed [2023-11-24 23:54:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-24 23:54:22,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-24 23:54:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_kill_sb [2023-11-24 23:54:22,823 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_kill_sb [2023-11-24 23:54:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:54:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-24 23:54:22,823 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-24 23:54:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2023-11-24 23:54:22,823 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2023-11-24 23:54:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-24 23:54:22,824 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-24 23:54:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_set_managed [2023-11-24 23:54:22,824 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_set_managed [2023-11-24 23:54:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:54:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-11-24 23:54:22,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-11-24 23:54:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2023-11-24 23:54:22,825 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2023-11-24 23:54:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-24 23:54:22,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-24 23:54:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:54:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-24 23:54:22,825 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-24 23:54:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:54:22,825 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:54:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-24 23:54:22,826 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-24 23:54:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure find_autofs_mount [2023-11-24 23:54:22,826 INFO L138 BoogieDeclarations]: Found implementation of procedure find_autofs_mount [2023-11-24 23:54:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-24 23:54:22,826 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-24 23:54:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-24 23:54:22,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-24 23:54:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_close [2023-11-24 23:54:22,827 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_close [2023-11-24 23:54:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure ns_of_pid [2023-11-24 23:54:22,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_of_pid [2023-11-24 23:54:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-24 23:54:22,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-24 23:54:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-24 23:54:22,827 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-24 23:54:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_clean_ino [2023-11-24 23:54:22,828 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_clean_ino [2023-11-24 23:54:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_86 [2023-11-24 23:54:22,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_86 [2023-11-24 23:54:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_64 [2023-11-24 23:54:22,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_64 [2023-11-24 23:54:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure kern_path_mountpoint [2023-11-24 23:54:22,829 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_path_mountpoint [2023-11-24 23:54:22,829 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_positive_dentry [2023-11-24 23:54:22,829 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_positive_dentry [2023-11-24 23:54:22,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_58 [2023-11-24 23:54:22,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_58 [2023-11-24 23:54:22,829 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-24 23:54:22,829 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-24 23:54:22,829 INFO L130 BoogieDeclarations]: Found specification of procedure __managed_dentry_set_managed [2023-11-24 23:54:22,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __managed_dentry_set_managed [2023-11-24 23:54:22,830 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait [2023-11-24 23:54:22,830 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait [2023-11-24 23:54:22,830 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_find_wait [2023-11-24 23:54:22,830 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_find_wait [2023-11-24 23:54:22,830 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-24 23:54:22,830 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-24 23:54:22,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2023-11-24 23:54:22,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2023-11-24 23:54:22,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:54:22,831 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_release [2023-11-24 23:54:22,831 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_release [2023-11-24 23:54:22,831 INFO L130 BoogieDeclarations]: Found specification of procedure task_pgrp_nr [2023-11-24 23:54:22,831 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pgrp_nr [2023-11-24 23:54:22,831 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-24 23:54:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-24 23:54:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:54:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:54:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_87 [2023-11-24 23:54:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_87 [2023-11-24 23:54:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2023-11-24 23:54:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2023-11-24 23:54:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_symlink [2023-11-24 23:54:22,833 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_symlink [2023-11-24 23:54:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2023-11-24 23:54:22,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2023-11-24 23:54:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2023-11-24 23:54:22,833 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2023-11-24 23:54:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-24 23:54:22,833 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-24 23:54:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure d_mountpoint [2023-11-24 23:54:22,834 INFO L138 BoogieDeclarations]: Found implementation of procedure d_mountpoint [2023-11-24 23:54:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-24 23:54:22,834 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-24 23:54:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure have_submounts [2023-11-24 23:54:22,834 INFO L138 BoogieDeclarations]: Found implementation of procedure have_submounts [2023-11-24 23:54:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-11-24 23:54:22,834 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-11-24 23:54:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-24 23:54:22,835 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-24 23:54:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-24 23:54:22,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-24 23:54:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-24 23:54:22,835 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-24 23:54:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_prepare_pipe [2023-11-24 23:54:22,835 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_prepare_pipe [2023-11-24 23:54:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-24 23:54:22,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-24 23:54:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_del_active [2023-11-24 23:54:22,836 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_del_active [2023-11-24 23:54:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-24 23:54:22,836 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-24 23:54:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-24 23:54:22,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-24 23:54:22,837 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-24 23:54:22,837 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-24 23:54:22,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:54:22,837 INFO L130 BoogieDeclarations]: Found specification of procedure d_add [2023-11-24 23:54:22,837 INFO L138 BoogieDeclarations]: Found implementation of procedure d_add [2023-11-24 23:54:22,837 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_catatonic_mode [2023-11-24 23:54:22,837 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_catatonic_mode [2023-11-24 23:54:22,837 INFO L130 BoogieDeclarations]: Found specification of procedure gid_eq [2023-11-24 23:54:22,838 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_eq [2023-11-24 23:54:22,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-24 23:54:22,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-24 23:54:22,838 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-24 23:54:22,838 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2023-11-24 23:54:22,838 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2023-11-24 23:54:24,340 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:54:24,345 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:54:24,658 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:54:25,581 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call ULTIMATE.dealloc(~#descriptor~12#1.base, ~#descriptor~12#1.offset);havoc ~#descriptor~12#1.base, ~#descriptor~12#1.offset; [2023-11-24 23:54:34,679 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-24 23:54:35,036 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:54:38,067 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:54:38,067 INFO L309 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-24 23:54:38,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:54:38 BoogieIcfgContainer [2023-11-24 23:54:38,071 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:54:38,075 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:54:38,075 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:54:38,078 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:54:38,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:54:16" (1/3) ... [2023-11-24 23:54:38,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e1f506e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:54:38, skipping insertion in model container [2023-11-24 23:54:38,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:21" (2/3) ... [2023-11-24 23:54:38,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e1f506e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:54:38, skipping insertion in model container [2023-11-24 23:54:38,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:54:38" (3/3) ... [2023-11-24 23:54:38,082 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i [2023-11-24 23:54:38,103 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:54:38,103 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:54:38,275 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:54:38,282 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;@21f84b0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:54:38,283 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:54:38,298 INFO L276 IsEmpty]: Start isEmpty. Operand has 2760 states, 1621 states have (on average 1.299198025909932) internal successors, (2106), 1669 states have internal predecessors, (2106), 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) [2023-11-24 23:54:38,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2023-11-24 23:54:38,385 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:54:38,387 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] [2023-11-24 23:54:38,388 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:54:38,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:54:38,397 INFO L85 PathProgramCache]: Analyzing trace with hash -403898362, now seen corresponding path program 1 times [2023-11-24 23:54:38,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:54:38,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371287882] [2023-11-24 23:54:38,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:54:38,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:54:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:54:40,023 INFO L134 CoverageAnalysis]: Checked inductivity of 7665 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7665 trivial. 0 not checked. [2023-11-24 23:54:40,024 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:54:40,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371287882] [2023-11-24 23:54:40,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371287882] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:54:40,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:54:40,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:54:40,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410070382] [2023-11-24 23:54:40,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:54:40,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:54:40,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:54:40,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:54:40,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:54:40,085 INFO L87 Difference]: Start difference. First operand has 2760 states, 1621 states have (on average 1.299198025909932) internal successors, (2106), 1669 states have internal predecessors, (2106), 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) [2023-11-24 23:54:42,500 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 [] [2023-11-24 23:54:45,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:54:47,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:54:50,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:54:52,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:54:54,275 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 [] [2023-11-24 23:54:54,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:54:54,836 INFO L93 Difference]: Finished difference Result 7866 states and 11556 transitions. [2023-11-24 23:54:54,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:54:54,839 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 [2023-11-24 23:54:54,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:54:54,906 INFO L225 Difference]: With dead ends: 7866 [2023-11-24 23:54:54,906 INFO L226 Difference]: Without dead ends: 5114 [2023-11-24 23:54:54,932 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 [2023-11-24 23:54:54,938 INFO L413 NwaCegarLoop]: 3656 mSDtfsCounter, 3549 mSDsluCounter, 3594 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 7 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3549 SdHoareTripleChecker+Valid, 7250 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:54:54,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3549 Valid, 7250 Invalid, 858 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 845 Invalid, 6 Unknown, 0 Unchecked, 14.2s Time] [2023-11-24 23:54:54,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5114 states. [2023-11-24 23:54:55,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5114 to 5110. [2023-11-24 23:54:55,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5110 states, 3023 states have (on average 1.2954019186238837) internal successors, (3916), 3110 states have internal predecessors, (3916), 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) [2023-11-24 23:54:55,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5110 states to 5110 states and 7438 transitions. [2023-11-24 23:54:55,491 INFO L78 Accepts]: Start accepts. Automaton has 5110 states and 7438 transitions. Word has length 531 [2023-11-24 23:54:55,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:54:55,497 INFO L495 AbstractCegarLoop]: Abstraction has 5110 states and 7438 transitions. [2023-11-24 23:54:55,497 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) [2023-11-24 23:54:55,497 INFO L276 IsEmpty]: Start isEmpty. Operand 5110 states and 7438 transitions. [2023-11-24 23:54:55,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2023-11-24 23:54:55,544 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:54:55,545 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] [2023-11-24 23:54:55,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:54:55,545 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:54:55,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:54:55,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1649086256, now seen corresponding path program 1 times [2023-11-24 23:54:55,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:54:55,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92525813] [2023-11-24 23:54:55,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:54:55,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:54:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:54:56,638 INFO L134 CoverageAnalysis]: Checked inductivity of 7764 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7761 trivial. 0 not checked. [2023-11-24 23:54:56,638 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:54:56,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92525813] [2023-11-24 23:54:56,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92525813] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:54:56,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:54:56,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:54:56,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443291488] [2023-11-24 23:54:56,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:54:56,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:54:56,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:54:56,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:54:56,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:54:56,644 INFO L87 Difference]: Start difference. First operand 5110 states and 7438 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) [2023-11-24 23:54:58,911 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 [] [2023-11-24 23:55:01,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:55:03,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []