./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a3670a-488c-48f9-b8b2-46ef1e9e3cd9/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a3670a-488c-48f9-b8b2-46ef1e9e3cd9/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a3670a-488c-48f9-b8b2-46ef1e9e3cd9/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a3670a-488c-48f9-b8b2-46ef1e9e3cd9/bin/utaipan-verify-mE87zJ7Ire/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_71a3670a-488c-48f9-b8b2-46ef1e9e3cd9/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a3670a-488c-48f9-b8b2-46ef1e9e3cd9/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 371146a21f508450d2917c35c74c2cfe0e1080bf9001699397599cb4eb3a0e88 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:23:59,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:23:59,836 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a3670a-488c-48f9-b8b2-46ef1e9e3cd9/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:23:59,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:23:59,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:23:59,868 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:23:59,869 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:23:59,869 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:23:59,870 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:23:59,871 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:23:59,871 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:23:59,872 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:23:59,873 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:23:59,873 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:23:59,874 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:23:59,874 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:23:59,875 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:23:59,875 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:23:59,876 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:23:59,877 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:23:59,877 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:23:59,878 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:23:59,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:23:59,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:23:59,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:23:59,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:23:59,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:23:59,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:23:59,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:23:59,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:23:59,884 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:23:59,884 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:23:59,885 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:23:59,885 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:23:59,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:59,886 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:23:59,886 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:23:59,886 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:23:59,886 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:23:59,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:23:59,887 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:23:59,887 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:23:59,888 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:23:59,888 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:23:59,888 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_71a3670a-488c-48f9-b8b2-46ef1e9e3cd9/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a3670a-488c-48f9-b8b2-46ef1e9e3cd9/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 371146a21f508450d2917c35c74c2cfe0e1080bf9001699397599cb4eb3a0e88 [2023-11-23 21:24:00,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:24:00,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:24:00,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:24:00,217 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:24:00,217 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:24:00,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a3670a-488c-48f9-b8b2-46ef1e9e3cd9/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i [2023-11-23 21:24:03,340 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:24:04,082 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:24:04,083 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a3670a-488c-48f9-b8b2-46ef1e9e3cd9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i [2023-11-23 21:24:04,142 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a3670a-488c-48f9-b8b2-46ef1e9e3cd9/bin/utaipan-verify-mE87zJ7Ire/data/50f35af48/33aefd32053a4825808c6d05bd884761/FLAG17ac7ff8c [2023-11-23 21:24:04,159 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a3670a-488c-48f9-b8b2-46ef1e9e3cd9/bin/utaipan-verify-mE87zJ7Ire/data/50f35af48/33aefd32053a4825808c6d05bd884761 [2023-11-23 21:24:04,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:24:04,163 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:24:04,165 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:24:04,165 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:24:04,171 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:24:04,172 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:04" (1/1) ... [2023-11-23 21:24:04,173 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ce44dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:04, skipping insertion in model container [2023-11-23 21:24:04,174 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:04" (1/1) ... [2023-11-23 21:24:04,373 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:24:08,719 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_71a3670a-488c-48f9-b8b2-46ef1e9e3cd9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i[402539,402552] [2023-11-23 21:24:08,733 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_71a3670a-488c-48f9-b8b2-46ef1e9e3cd9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i[402684,402697] [2023-11-23 21:24:08,779 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:24:08,837 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:24:08,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6020] [2023-11-23 21:24:08,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6023] [2023-11-23 21:24:08,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6026] [2023-11-23 21:24:08,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6029] [2023-11-23 21:24:09,032 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] [2023-11-23 21:24:09,033 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] [2023-11-23 21:24:09,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7031] [2023-11-23 21:24:09,086 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] [2023-11-23 21:24:09,160 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] [2023-11-23 21:24:09,163 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] [2023-11-23 21:24:09,164 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] [2023-11-23 21:24:09,165 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] [2023-11-23 21:24:09,165 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] [2023-11-23 21:24:09,165 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] [2023-11-23 21:24:09,166 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] [2023-11-23 21:24:09,167 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] [2023-11-23 21:24:09,168 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] [2023-11-23 21:24:09,168 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] [2023-11-23 21:24:09,168 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] [2023-11-23 21:24:09,169 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] [2023-11-23 21:24:09,169 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] [2023-11-23 21:24:09,170 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] [2023-11-23 21:24:09,170 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] [2023-11-23 21:24:09,171 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] [2023-11-23 21:24:09,171 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] [2023-11-23 21:24:09,171 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] [2023-11-23 21:24:09,172 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] [2023-11-23 21:24:09,173 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] [2023-11-23 21:24:09,173 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] [2023-11-23 21:24:09,173 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] [2023-11-23 21:24:09,174 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] [2023-11-23 21:24:09,178 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] [2023-11-23 21:24:09,178 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] [2023-11-23 21:24:09,179 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] [2023-11-23 21:24:09,180 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] [2023-11-23 21:24:09,180 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] [2023-11-23 21:24:09,202 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] [2023-11-23 21:24:09,202 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] [2023-11-23 21:24:09,204 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] [2023-11-23 21:24:09,206 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] [2023-11-23 21:24:09,208 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] [2023-11-23 21:24:09,208 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] [2023-11-23 21:24:09,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [9725] [2023-11-23 21:24:09,209 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] [2023-11-23 21:24:09,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [9794] [2023-11-23 21:24:09,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9797] [2023-11-23 21:24:09,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9800] [2023-11-23 21:24:09,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9803] [2023-11-23 21:24:09,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [9842] [2023-11-23 21:24:09,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [9845] [2023-11-23 21:24:09,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [9847] [2023-11-23 21:24:09,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [9852] [2023-11-23 21:24:09,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [9855] [2023-11-23 21:24:09,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [9857] [2023-11-23 21:24:09,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [9862] [2023-11-23 21:24:09,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [9865] [2023-11-23 21:24:09,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [9867] [2023-11-23 21:24:09,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [9872] [2023-11-23 21:24:09,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [9875] [2023-11-23 21:24:09,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [9877] [2023-11-23 21:24:09,221 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [9915] [2023-11-23 21:24:09,221 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [9918] [2023-11-23 21:24:09,222 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [9920] [2023-11-23 21:24:09,222 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [9925] [2023-11-23 21:24:09,222 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [9928] [2023-11-23 21:24:09,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [9930] [2023-11-23 21:24:09,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [9935] [2023-11-23 21:24:09,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [9938] [2023-11-23 21:24:09,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [9940] [2023-11-23 21:24:09,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [9945] [2023-11-23 21:24:09,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [9948] [2023-11-23 21:24:09,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [9950] [2023-11-23 21:24:09,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10041] [2023-11-23 21:24:09,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10072] [2023-11-23 21:24:09,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10107] [2023-11-23 21:24:09,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10116] [2023-11-23 21:24:09,326 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] [2023-11-23 21:24:09,397 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_71a3670a-488c-48f9-b8b2-46ef1e9e3cd9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i[402539,402552] [2023-11-23 21:24:09,398 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_71a3670a-488c-48f9-b8b2-46ef1e9e3cd9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i[402684,402697] [2023-11-23 21:24:09,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:24:09,699 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:24:09,699 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:24:09,699 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:24:09,699 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:24:09,700 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:24:09,708 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:24:09,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:09 WrapperNode [2023-11-23 21:24:09,709 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:24:09,711 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:24:09,711 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:24:09,711 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:24:09,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:09" (1/1) ... [2023-11-23 21:24:09,884 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:09" (1/1) ... [2023-11-23 21:24:10,222 INFO L138 Inliner]: procedures = 551, calls = 3977, calls flagged for inlining = 270, calls inlined = 246, statements flattened = 9514 [2023-11-23 21:24:10,222 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:24:10,223 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:24:10,224 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:24:10,224 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:24:10,235 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:09" (1/1) ... [2023-11-23 21:24:10,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:09" (1/1) ... [2023-11-23 21:24:10,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:09" (1/1) ... [2023-11-23 21:24:10,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:09" (1/1) ... [2023-11-23 21:24:10,629 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:09" (1/1) ... [2023-11-23 21:24:10,737 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:09" (1/1) ... [2023-11-23 21:24:10,800 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:09" (1/1) ... [2023-11-23 21:24:10,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:09" (1/1) ... [2023-11-23 21:24:10,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:24:10,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:24:10,902 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:24:10,902 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:24:10,903 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:09" (1/1) ... [2023-11-23 21:24:10,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:24:10,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a3670a-488c-48f9-b8b2-46ef1e9e3cd9/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:24:10,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a3670a-488c-48f9-b8b2-46ef1e9e3cd9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:24:10,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a3670a-488c-48f9-b8b2-46ef1e9e3cd9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:24:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_evict_inode [2023-11-23 21:24:10,989 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_evict_inode [2023-11-23 21:24:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2023-11-23 21:24:10,990 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2023-11-23 21:24:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:24:10,990 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:24:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_unlink [2023-11-23 21:24:10,990 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_unlink [2023-11-23 21:24:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_get_inode [2023-11-23 21:24:10,991 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_get_inode [2023-11-23 21:24:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-23 21:24:10,991 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-23 21:24:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:24:10,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:24:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_lseek [2023-11-23 21:24:10,992 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_lseek [2023-11-23 21:24:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure do_expire_wait [2023-11-23 21:24:10,993 INFO L138 BoogieDeclarations]: Found implementation of procedure do_expire_wait [2023-11-23 21:24:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-23 21:24:10,993 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-23 21:24:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2023-11-23 21:24:10,994 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2023-11-23 21:24:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2023-11-23 21:24:10,994 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2023-11-23 21:24:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure current_kernel_time [2023-11-23 21:24:10,995 INFO L138 BoogieDeclarations]: Found implementation of procedure current_kernel_time [2023-11-23 21:24:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_66 [2023-11-23 21:24:10,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_66 [2023-11-23 21:24:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_indirect [2023-11-23 21:24:10,996 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_indirect [2023-11-23 21:24:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2023-11-23 21:24:10,996 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2023-11-23 21:24:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_clear_managed [2023-11-23 21:24:10,996 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_clear_managed [2023-11-23 21:24:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure from_kgid_munged [2023-11-23 21:24:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kgid_munged [2023-11-23 21:24:10,998 INFO L130 BoogieDeclarations]: Found specification of procedure follow_down_one [2023-11-23 21:24:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_down_one [2023-11-23 21:24:10,998 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_show_options [2023-11-23 21:24:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_show_options [2023-11-23 21:24:10,998 INFO L130 BoogieDeclarations]: Found specification of procedure __autofs4_add_expiring [2023-11-23 21:24:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __autofs4_add_expiring [2023-11-23 21:24:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:24:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 21:24:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_wait [2023-11-23 21:24:10,999 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_wait [2023-11-23 21:24:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl [2023-11-23 21:24:11,000 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl [2023-11-23 21:24:11,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:24:11,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:24:11,000 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-11-23 21:24:11,001 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-11-23 21:24:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:24:11,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:24:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:24:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure d_count [2023-11-23 21:24:11,002 INFO L138 BoogieDeclarations]: Found implementation of procedure d_count [2023-11-23 21:24:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-23 21:24:11,002 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-23 21:24:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_63 [2023-11-23 21:24:11,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_63 [2023-11-23 21:24:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure from_kuid_munged [2023-11-23 21:24:11,004 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kuid_munged [2023-11-23 21:24:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 21:24:11,007 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 21:24:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:24:11,008 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:24:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2023-11-23 21:24:11,009 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2023-11-23 21:24:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_oz_mode [2023-11-23 21:24:11,010 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_oz_mode [2023-11-23 21:24:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_do_expire_multi [2023-11-23 21:24:11,011 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_do_expire_multi [2023-11-23 21:24:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-11-23 21:24:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-11-23 21:24:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure __task_pid_nr_ns [2023-11-23 21:24:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __task_pid_nr_ns [2023-11-23 21:24:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_57 [2023-11-23 21:24:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_57 [2023-11-23 21:24:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 21:24:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 21:24:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_sbi [2023-11-23 21:24:11,019 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_sbi [2023-11-23 21:24:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:24:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-23 21:24:11,020 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-23 21:24:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-11-23 21:24:11,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-11-23 21:24:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_new_ino [2023-11-23 21:24:11,020 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_new_ino [2023-11-23 21:24:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure simple_empty [2023-11-23 21:24:11,021 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_empty [2023-11-23 21:24:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:24:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:24:11,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:24:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_can_expire [2023-11-23 21:24:11,021 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_can_expire [2023-11-23 21:24:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_ino [2023-11-23 21:24:11,022 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_ino [2023-11-23 21:24:11,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:24:11,022 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2023-11-23 21:24:11,022 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2023-11-23 21:24:11,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-23 21:24:11,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-23 21:24:11,023 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_open [2023-11-23 21:24:11,023 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_open [2023-11-23 21:24:11,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:24:11,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:24:11,023 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_rmdir [2023-11-23 21:24:11,023 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_rmdir [2023-11-23 21:24:11,023 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount [2023-11-23 21:24:11,024 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount [2023-11-23 21:24:11,024 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl_exit [2023-11-23 21:24:11,024 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl_exit [2023-11-23 21:24:11,024 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-23 21:24:11,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-23 21:24:11,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:24:11,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:24:11,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 21:24:11,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 21:24:11,025 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_open [2023-11-23 21:24:11,026 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_open [2023-11-23 21:24:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-23 21:24:11,026 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-23 21:24:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure clear_nlink [2023-11-23 21:24:11,026 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_nlink [2023-11-23 21:24:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_trigger [2023-11-23 21:24:11,027 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_trigger [2023-11-23 21:24:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:24:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2023-11-23 21:24:11,027 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2023-11-23 21:24:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 21:24:11,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 21:24:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 21:24:11,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 21:24:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2023-11-23 21:24:11,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2023-11-23 21:24:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-23 21:24:11,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-23 21:24:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2023-11-23 21:24:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-23 21:24:11,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-23 21:24:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:24:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:24:11,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:24:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:24:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:24:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure simple_positive [2023-11-23 21:24:11,030 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_positive [2023-11-23 21:24:11,030 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-23 21:24:11,030 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-23 21:24:11,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-23 21:24:11,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-23 21:24:11,031 INFO L130 BoogieDeclarations]: Found specification of procedure path_get [2023-11-23 21:24:11,031 INFO L138 BoogieDeclarations]: Found implementation of procedure path_get [2023-11-23 21:24:11,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-23 21:24:11,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-23 21:24:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure dget_dlock [2023-11-23 21:24:11,032 INFO L138 BoogieDeclarations]: Found implementation of procedure dget_dlock [2023-11-23 21:24:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure d_lookup [2023-11-23 21:24:11,032 INFO L138 BoogieDeclarations]: Found implementation of procedure d_lookup [2023-11-23 21:24:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-23 21:24:11,032 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-23 21:24:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-23 21:24:11,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-23 21:24:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2023-11-23 21:24:11,033 INFO L138 BoogieDeclarations]: Found implementation of procedure recalc_sigpending [2023-11-23 21:24:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-23 21:24:11,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-23 21:24:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure d_drop [2023-11-23 21:24:11,033 INFO L138 BoogieDeclarations]: Found implementation of procedure d_drop [2023-11-23 21:24:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_mount [2023-11-23 21:24:11,034 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_mount [2023-11-23 21:24:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_indirect [2023-11-23 21:24:11,034 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_indirect [2023-11-23 21:24:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:24:11,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:24:11,035 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_wait [2023-11-23 21:24:11,035 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_wait [2023-11-23 21:24:11,035 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:24:11,035 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:24:11,035 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl [2023-11-23 21:24:11,035 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl [2023-11-23 21:24:11,035 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-23 21:24:11,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-23 21:24:11,036 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2023-11-23 21:24:11,036 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2023-11-23 21:24:11,036 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2023-11-23 21:24:11,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2023-11-23 21:24:11,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:24:11,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:24:11,041 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait_release [2023-11-23 21:24:11,042 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait_release [2023-11-23 21:24:11,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:24:11,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:24:11,042 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl_unlocked [2023-11-23 21:24:11,042 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl_unlocked [2023-11-23 21:24:11,042 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2023-11-23 21:24:11,042 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2023-11-23 21:24:11,043 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-23 21:24:11,043 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-23 21:24:11,045 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_compat_ioctl [2023-11-23 21:24:11,045 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_compat_ioctl [2023-11-23 21:24:11,045 INFO L130 BoogieDeclarations]: Found specification of procedure read_seqretry [2023-11-23 21:24:11,045 INFO L138 BoogieDeclarations]: Found implementation of procedure read_seqretry [2023-11-23 21:24:11,045 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-11-23 21:24:11,046 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-11-23 21:24:11,046 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-23 21:24:11,046 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-23 21:24:11,046 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_readdir [2023-11-23 21:24:11,046 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_readdir [2023-11-23 21:24:11,046 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2023-11-23 21:24:11,046 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2023-11-23 21:24:11,047 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-23 21:24:11,047 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-23 21:24:11,047 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:24:11,047 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:24:11,047 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount_tree [2023-11-23 21:24:11,047 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount_tree [2023-11-23 21:24:11,047 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-23 21:24:11,048 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-23 21:24:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2023-11-23 21:24:11,048 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2023-11-23 21:24:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:24:11,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:24:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_pid [2023-11-23 21:24:11,048 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_pid [2023-11-23 21:24:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2023-11-23 21:24:11,049 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2023-11-23 21:24:11,049 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_busy [2023-11-23 21:24:11,049 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_busy [2023-11-23 21:24:11,049 INFO L130 BoogieDeclarations]: Found specification of procedure d_unhashed [2023-11-23 21:24:11,049 INFO L138 BoogieDeclarations]: Found implementation of procedure d_unhashed [2023-11-23 21:24:11,049 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-23 21:24:11,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-23 21:24:11,050 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_kill_sb [2023-11-23 21:24:11,050 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_kill_sb [2023-11-23 21:24:11,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:24:11,050 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:24:11,050 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:24:11,050 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2023-11-23 21:24:11,050 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2023-11-23 21:24:11,051 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-23 21:24:11,051 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-23 21:24:11,051 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_set_managed [2023-11-23 21:24:11,051 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_set_managed [2023-11-23 21:24:11,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:24:11,051 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-11-23 21:24:11,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-11-23 21:24:11,052 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2023-11-23 21:24:11,052 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2023-11-23 21:24:11,052 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-23 21:24:11,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-23 21:24:11,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:24:11,053 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-23 21:24:11,053 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-23 21:24:11,053 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:24:11,053 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:24:11,053 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:24:11,053 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:24:11,054 INFO L130 BoogieDeclarations]: Found specification of procedure find_autofs_mount [2023-11-23 21:24:11,054 INFO L138 BoogieDeclarations]: Found implementation of procedure find_autofs_mount [2023-11-23 21:24:11,054 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-23 21:24:11,054 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-23 21:24:11,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:24:11,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:24:11,054 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_close [2023-11-23 21:24:11,055 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_close [2023-11-23 21:24:11,055 INFO L130 BoogieDeclarations]: Found specification of procedure ns_of_pid [2023-11-23 21:24:11,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_of_pid [2023-11-23 21:24:11,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 21:24:11,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 21:24:11,055 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 21:24:11,056 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 21:24:11,056 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_clean_ino [2023-11-23 21:24:11,056 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_clean_ino [2023-11-23 21:24:11,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_86 [2023-11-23 21:24:11,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_86 [2023-11-23 21:24:11,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_64 [2023-11-23 21:24:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_64 [2023-11-23 21:24:11,057 INFO L130 BoogieDeclarations]: Found specification of procedure kern_path_mountpoint [2023-11-23 21:24:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_path_mountpoint [2023-11-23 21:24:11,057 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_positive_dentry [2023-11-23 21:24:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_positive_dentry [2023-11-23 21:24:11,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_58 [2023-11-23 21:24:11,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_58 [2023-11-23 21:24:11,058 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:24:11,058 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:24:11,058 INFO L130 BoogieDeclarations]: Found specification of procedure __managed_dentry_set_managed [2023-11-23 21:24:11,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __managed_dentry_set_managed [2023-11-23 21:24:11,058 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait [2023-11-23 21:24:11,059 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait [2023-11-23 21:24:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_find_wait [2023-11-23 21:24:11,059 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_find_wait [2023-11-23 21:24:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-23 21:24:11,059 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-23 21:24:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2023-11-23 21:24:11,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2023-11-23 21:24:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:24:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_release [2023-11-23 21:24:11,060 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_release [2023-11-23 21:24:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure task_pgrp_nr [2023-11-23 21:24:11,060 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pgrp_nr [2023-11-23 21:24:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-23 21:24:11,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-23 21:24:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:24:11,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:24:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_87 [2023-11-23 21:24:11,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_87 [2023-11-23 21:24:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2023-11-23 21:24:11,062 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2023-11-23 21:24:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_symlink [2023-11-23 21:24:11,062 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_symlink [2023-11-23 21:24:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2023-11-23 21:24:11,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2023-11-23 21:24:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2023-11-23 21:24:11,063 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2023-11-23 21:24:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-23 21:24:11,063 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-23 21:24:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure d_mountpoint [2023-11-23 21:24:11,063 INFO L138 BoogieDeclarations]: Found implementation of procedure d_mountpoint [2023-11-23 21:24:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-23 21:24:11,064 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-23 21:24:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure have_submounts [2023-11-23 21:24:11,064 INFO L138 BoogieDeclarations]: Found implementation of procedure have_submounts [2023-11-23 21:24:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-11-23 21:24:11,064 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-11-23 21:24:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-23 21:24:11,065 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-23 21:24:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-23 21:24:11,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-23 21:24:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-23 21:24:11,066 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-23 21:24:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_prepare_pipe [2023-11-23 21:24:11,066 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_prepare_pipe [2023-11-23 21:24:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:24:11,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:24:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_del_active [2023-11-23 21:24:11,067 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_del_active [2023-11-23 21:24:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 21:24:11,067 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 21:24:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:24:11,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:24:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-23 21:24:11,068 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-23 21:24:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:24:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure d_add [2023-11-23 21:24:11,069 INFO L138 BoogieDeclarations]: Found implementation of procedure d_add [2023-11-23 21:24:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_catatonic_mode [2023-11-23 21:24:11,069 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_catatonic_mode [2023-11-23 21:24:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure gid_eq [2023-11-23 21:24:11,069 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_eq [2023-11-23 21:24:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:24:11,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:24:11,070 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-23 21:24:11,070 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2023-11-23 21:24:11,070 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2023-11-23 21:24:12,418 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:24:12,430 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:24:12,725 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:24:13,986 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call ULTIMATE.dealloc(~#descriptor~12#1.base, ~#descriptor~12#1.offset);havoc ~#descriptor~12#1.base, ~#descriptor~12#1.offset; [2023-11-23 21:24:23,842 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:24:24,204 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:24:27,275 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:24:27,276 INFO L309 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-23 21:24:27,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:27 BoogieIcfgContainer [2023-11-23 21:24:27,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:24:27,284 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:24:27,284 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:24:27,288 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:24:27,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:24:04" (1/3) ... [2023-11-23 21:24:27,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202c7a30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:27, skipping insertion in model container [2023-11-23 21:24:27,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:09" (2/3) ... [2023-11-23 21:24:27,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202c7a30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:27, skipping insertion in model container [2023-11-23 21:24:27,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:27" (3/3) ... [2023-11-23 21:24:27,291 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i [2023-11-23 21:24:27,313 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:24:27,314 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:24:27,448 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:24:27,462 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;@37bd7a81, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:24:27,462 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:24:27,482 INFO L276 IsEmpty]: Start isEmpty. Operand has 2738 states, 1599 states have (on average 1.3033145716072545) internal successors, (2084), 1649 states have internal predecessors, (2084), 971 states have call successors, (971), 168 states have call predecessors, (971), 167 states have return successors, (960), 954 states have call predecessors, (960), 960 states have call successors, (960) [2023-11-23 21:24:27,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2023-11-23 21:24:27,576 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:27,578 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] [2023-11-23 21:24:27,578 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:24:27,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:27,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1870731581, now seen corresponding path program 1 times [2023-11-23 21:24:27,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:24:27,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833965606] [2023-11-23 21:24:27,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:27,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:24:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:29,210 INFO L134 CoverageAnalysis]: Checked inductivity of 7665 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7665 trivial. 0 not checked. [2023-11-23 21:24:29,211 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:24:29,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833965606] [2023-11-23 21:24:29,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833965606] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:24:29,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:24:29,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:24:29,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675122542] [2023-11-23 21:24:29,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:24:29,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:24:29,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:24:29,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:24:29,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:24:29,280 INFO L87 Difference]: Start difference. First operand has 2738 states, 1599 states have (on average 1.3033145716072545) internal successors, (2084), 1649 states have internal predecessors, (2084), 971 states have call successors, (971), 168 states have call predecessors, (971), 167 states have return successors, (960), 954 states have call predecessors, (960), 960 states have call successors, (960) Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2023-11-23 21:24:31,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:34,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:36,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:40,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:41,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:24:41,347 INFO L93 Difference]: Finished difference Result 7800 states and 11490 transitions. [2023-11-23 21:24:41,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:24:41,351 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 [2023-11-23 21:24:41,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:24:41,450 INFO L225 Difference]: With dead ends: 7800 [2023-11-23 21:24:41,450 INFO L226 Difference]: Without dead ends: 5088 [2023-11-23 21:24:41,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:24:41,491 INFO L413 NwaCegarLoop]: 3641 mSDtfsCounter, 3527 mSDsluCounter, 3574 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 7 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3527 SdHoareTripleChecker+Valid, 7215 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:24:41,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3527 Valid, 7215 Invalid, 853 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 842 Invalid, 4 Unknown, 0 Unchecked, 11.4s Time] [2023-11-23 21:24:41,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5088 states. [2023-11-23 21:24:42,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5088 to 5084. [2023-11-23 21:24:42,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5084 states, 2997 states have (on average 1.2979646312979647) internal successors, (3890), 3088 states have internal predecessors, (3890), 1761 states have call successors, (1761), 325 states have call predecessors, (1761), 325 states have return successors, (1761), 1747 states have call predecessors, (1761), 1761 states have call successors, (1761) [2023-11-23 21:24:42,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5084 states to 5084 states and 7412 transitions. [2023-11-23 21:24:42,202 INFO L78 Accepts]: Start accepts. Automaton has 5084 states and 7412 transitions. Word has length 531 [2023-11-23 21:24:42,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:24:42,205 INFO L495 AbstractCegarLoop]: Abstraction has 5084 states and 7412 transitions. [2023-11-23 21:24:42,206 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) [2023-11-23 21:24:42,206 INFO L276 IsEmpty]: Start isEmpty. Operand 5084 states and 7412 transitions. [2023-11-23 21:24:42,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2023-11-23 21:24:42,258 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:42,259 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] [2023-11-23 21:24:42,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:24:42,260 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:24:42,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:42,261 INFO L85 PathProgramCache]: Analyzing trace with hash -815810047, now seen corresponding path program 1 times [2023-11-23 21:24:42,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:24:42,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860390328] [2023-11-23 21:24:42,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:42,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:24:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:43,440 INFO L134 CoverageAnalysis]: Checked inductivity of 7764 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7761 trivial. 0 not checked. [2023-11-23 21:24:43,440 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:24:43,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860390328] [2023-11-23 21:24:43,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860390328] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:24:43,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:24:43,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:24:43,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939866081] [2023-11-23 21:24:43,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:24:43,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:24:43,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:24:43,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:24:43,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:24:43,448 INFO L87 Difference]: Start difference. First operand 5084 states and 7412 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2023-11-23 21:24:45,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:48,727 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 []