./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7b89bd-522b-49ae-b411-071ee95315cd/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7b89bd-522b-49ae-b411-071ee95315cd/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7b89bd-522b-49ae-b411-071ee95315cd/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7b89bd-522b-49ae-b411-071ee95315cd/bin/utaipan-verify-t7M7D8N6sZ/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_0c7b89bd-522b-49ae-b411-071ee95315cd/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7b89bd-522b-49ae-b411-071ee95315cd/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 371146a21f508450d2917c35c74c2cfe0e1080bf9001699397599cb4eb3a0e88 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:16:09,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:16:09,173 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7b89bd-522b-49ae-b411-071ee95315cd/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:16:09,187 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:16:09,187 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:16:09,232 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:16:09,233 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:16:09,234 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:16:09,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:16:09,240 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:16:09,241 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:16:09,242 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:16:09,242 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:16:09,244 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:16:09,244 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:16:09,245 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:16:09,245 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:16:09,246 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:16:09,246 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:16:09,247 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:16:09,247 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:16:09,248 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:16:09,249 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:16:09,250 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:16:09,250 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:16:09,251 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:16:09,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:16:09,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:16:09,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:16:09,252 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:16:09,254 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:16:09,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:16:09,254 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:16:09,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:16:09,255 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:16:09,255 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:16:09,256 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:16:09,256 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:16:09,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:16:09,256 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:16:09,257 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:16:09,257 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:16:09,257 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_0c7b89bd-522b-49ae-b411-071ee95315cd/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7b89bd-522b-49ae-b411-071ee95315cd/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 371146a21f508450d2917c35c74c2cfe0e1080bf9001699397599cb4eb3a0e88 [2023-11-19 05:16:09,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:16:09,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:16:09,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:16:09,601 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:16:09,602 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:16:09,603 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7b89bd-522b-49ae-b411-071ee95315cd/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i [2023-11-19 05:16:12,931 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:16:13,755 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:16:13,757 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7b89bd-522b-49ae-b411-071ee95315cd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i [2023-11-19 05:16:13,851 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7b89bd-522b-49ae-b411-071ee95315cd/bin/utaipan-verify-t7M7D8N6sZ/data/30366b8de/f5f8e1fa60af4497b2022de116fca743/FLAGcf1555dd4 [2023-11-19 05:16:13,873 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7b89bd-522b-49ae-b411-071ee95315cd/bin/utaipan-verify-t7M7D8N6sZ/data/30366b8de/f5f8e1fa60af4497b2022de116fca743 [2023-11-19 05:16:13,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:16:13,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:16:13,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:16:13,893 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:16:13,899 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:16:13,900 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:16:13" (1/1) ... [2023-11-19 05:16:13,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cf08a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:13, skipping insertion in model container [2023-11-19 05:16:13,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:16:13" (1/1) ... [2023-11-19 05:16:14,161 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:16:18,632 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_0c7b89bd-522b-49ae-b411-071ee95315cd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i[402539,402552] [2023-11-19 05:16:18,637 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_0c7b89bd-522b-49ae-b411-071ee95315cd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i[402684,402697] [2023-11-19 05:16:18,675 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:16:18,716 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:16:18,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6020] [2023-11-19 05:16:18,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6023] [2023-11-19 05:16:18,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6026] [2023-11-19 05:16:18,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6029] [2023-11-19 05:16:18,898 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] [2023-11-19 05:16:18,899 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] [2023-11-19 05:16:18,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7031] [2023-11-19 05:16:18,956 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] [2023-11-19 05:16:18,975 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] [2023-11-19 05:16:19,030 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] [2023-11-19 05:16:19,030 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] [2023-11-19 05:16:19,031 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] [2023-11-19 05:16:19,031 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] [2023-11-19 05:16:19,031 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] [2023-11-19 05:16:19,031 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] [2023-11-19 05:16:19,032 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] [2023-11-19 05:16:19,032 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] [2023-11-19 05:16:19,033 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] [2023-11-19 05:16:19,033 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] [2023-11-19 05:16:19,033 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] [2023-11-19 05:16:19,033 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] [2023-11-19 05:16:19,034 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] [2023-11-19 05:16:19,034 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] [2023-11-19 05:16:19,034 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] [2023-11-19 05:16:19,035 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] [2023-11-19 05:16:19,035 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] [2023-11-19 05:16:19,035 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] [2023-11-19 05:16:19,036 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] [2023-11-19 05:16:19,036 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] [2023-11-19 05:16:19,036 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] [2023-11-19 05:16:19,036 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] [2023-11-19 05:16:19,038 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] [2023-11-19 05:16:19,038 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] [2023-11-19 05:16:19,039 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] [2023-11-19 05:16:19,039 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] [2023-11-19 05:16:19,039 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] [2023-11-19 05:16:19,056 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] [2023-11-19 05:16:19,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [9632-9634] [2023-11-19 05:16:19,057 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] [2023-11-19 05:16:19,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [9665-9667] [2023-11-19 05:16:19,060 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] [2023-11-19 05:16:19,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [9697-9699] [2023-11-19 05:16:19,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [9725] [2023-11-19 05:16:19,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incq %0": "=m" (v->counter): "m" (v->counter)); [9741] [2023-11-19 05:16:19,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [9794] [2023-11-19 05:16:19,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9797] [2023-11-19 05:16:19,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9800] [2023-11-19 05:16:19,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [9803] [2023-11-19 05:16:19,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [9842] [2023-11-19 05:16:19,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [9845] [2023-11-19 05:16:19,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [9847] [2023-11-19 05:16:19,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [9852] [2023-11-19 05:16:19,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [9855] [2023-11-19 05:16:19,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [9857] [2023-11-19 05:16:19,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [9862] [2023-11-19 05:16:19,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [9865] [2023-11-19 05:16:19,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [9867] [2023-11-19 05:16:19,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [9872] [2023-11-19 05:16:19,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [9875] [2023-11-19 05:16:19,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [9877] [2023-11-19 05:16:19,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [9915] [2023-11-19 05:16:19,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [9918] [2023-11-19 05:16:19,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [9920] [2023-11-19 05:16:19,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [9925] [2023-11-19 05:16:19,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [9928] [2023-11-19 05:16:19,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [9930] [2023-11-19 05:16:19,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [9935] [2023-11-19 05:16:19,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [9938] [2023-11-19 05:16:19,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [9940] [2023-11-19 05:16:19,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [9945] [2023-11-19 05:16:19,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [9948] [2023-11-19 05:16:19,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [9950] [2023-11-19 05:16:19,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10041] [2023-11-19 05:16:19,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10072] [2023-11-19 05:16:19,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10107] [2023-11-19 05:16:19,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10116] [2023-11-19 05:16:19,158 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] [2023-11-19 05:16:19,223 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_0c7b89bd-522b-49ae-b411-071ee95315cd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i[402539,402552] [2023-11-19 05:16:19,223 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_0c7b89bd-522b-49ae-b411-071ee95315cd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i[402684,402697] [2023-11-19 05:16:19,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:16:19,491 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:16:19,492 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:16:19,492 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:16:19,492 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:16:19,492 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:16:19,501 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:16:19,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:19 WrapperNode [2023-11-19 05:16:19,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:16:19,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:16:19,504 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:16:19,504 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:16:19,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:19" (1/1) ... [2023-11-19 05:16:19,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:19" (1/1) ... [2023-11-19 05:16:19,972 INFO L138 Inliner]: procedures = 551, calls = 3977, calls flagged for inlining = 270, calls inlined = 246, statements flattened = 9514 [2023-11-19 05:16:19,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:16:19,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:16:19,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:16:19,974 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:16:19,985 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:19" (1/1) ... [2023-11-19 05:16:19,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:19" (1/1) ... [2023-11-19 05:16:20,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:19" (1/1) ... [2023-11-19 05:16:20,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:19" (1/1) ... [2023-11-19 05:16:20,337 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:19" (1/1) ... [2023-11-19 05:16:20,380 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:19" (1/1) ... [2023-11-19 05:16:20,505 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:19" (1/1) ... [2023-11-19 05:16:20,544 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:19" (1/1) ... [2023-11-19 05:16:20,615 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:16:20,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:16:20,617 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:16:20,617 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:16:20,618 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:19" (1/1) ... [2023-11-19 05:16:20,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:16:20,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7b89bd-522b-49ae-b411-071ee95315cd/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:16:20,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7b89bd-522b-49ae-b411-071ee95315cd/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:16:20,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7b89bd-522b-49ae-b411-071ee95315cd/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:16:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_evict_inode [2023-11-19 05:16:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_evict_inode [2023-11-19 05:16:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2023-11-19 05:16:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2023-11-19 05:16:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:16:20,704 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:16:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_unlink [2023-11-19 05:16:20,704 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_unlink [2023-11-19 05:16:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_get_inode [2023-11-19 05:16:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_get_inode [2023-11-19 05:16:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-19 05:16:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-19 05:16:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:16:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:16:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_lseek [2023-11-19 05:16:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_lseek [2023-11-19 05:16:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure do_expire_wait [2023-11-19 05:16:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure do_expire_wait [2023-11-19 05:16:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-19 05:16:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-19 05:16:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2023-11-19 05:16:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2023-11-19 05:16:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2023-11-19 05:16:20,709 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2023-11-19 05:16:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure current_kernel_time [2023-11-19 05:16:20,709 INFO L138 BoogieDeclarations]: Found implementation of procedure current_kernel_time [2023-11-19 05:16:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_66 [2023-11-19 05:16:20,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_66 [2023-11-19 05:16:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_indirect [2023-11-19 05:16:20,711 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_indirect [2023-11-19 05:16:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2023-11-19 05:16:20,711 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2023-11-19 05:16:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_clear_managed [2023-11-19 05:16:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_clear_managed [2023-11-19 05:16:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure from_kgid_munged [2023-11-19 05:16:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kgid_munged [2023-11-19 05:16:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure follow_down_one [2023-11-19 05:16:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_down_one [2023-11-19 05:16:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_show_options [2023-11-19 05:16:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_show_options [2023-11-19 05:16:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure __autofs4_add_expiring [2023-11-19 05:16:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __autofs4_add_expiring [2023-11-19 05:16:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 05:16:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 05:16:20,715 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_wait [2023-11-19 05:16:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_wait [2023-11-19 05:16:20,715 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl [2023-11-19 05:16:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl [2023-11-19 05:16:20,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 05:16:20,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 05:16:20,716 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-11-19 05:16:20,716 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-11-19 05:16:20,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 05:16:20,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 05:16:20,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:16:20,718 INFO L130 BoogieDeclarations]: Found specification of procedure d_count [2023-11-19 05:16:20,718 INFO L138 BoogieDeclarations]: Found implementation of procedure d_count [2023-11-19 05:16:20,718 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-19 05:16:20,719 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-19 05:16:20,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_63 [2023-11-19 05:16:20,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_63 [2023-11-19 05:16:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure from_kuid_munged [2023-11-19 05:16:20,720 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kuid_munged [2023-11-19 05:16:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 05:16:20,721 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 05:16:20,722 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 05:16:20,725 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 05:16:20,726 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2023-11-19 05:16:20,726 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2023-11-19 05:16:20,726 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_oz_mode [2023-11-19 05:16:20,727 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_oz_mode [2023-11-19 05:16:20,727 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_do_expire_multi [2023-11-19 05:16:20,728 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_do_expire_multi [2023-11-19 05:16:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-11-19 05:16:20,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-11-19 05:16:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure __task_pid_nr_ns [2023-11-19 05:16:20,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __task_pid_nr_ns [2023-11-19 05:16:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_57 [2023-11-19 05:16:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_57 [2023-11-19 05:16:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 05:16:20,737 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 05:16:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_sbi [2023-11-19 05:16:20,737 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_sbi [2023-11-19 05:16:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:16:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-19 05:16:20,738 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-19 05:16:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-11-19 05:16:20,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-11-19 05:16:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_new_ino [2023-11-19 05:16:20,738 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_new_ino [2023-11-19 05:16:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure simple_empty [2023-11-19 05:16:20,739 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_empty [2023-11-19 05:16:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:16:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 05:16:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 05:16:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_can_expire [2023-11-19 05:16:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_can_expire [2023-11-19 05:16:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_ino [2023-11-19 05:16:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_ino [2023-11-19 05:16:20,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:16:20,741 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2023-11-19 05:16:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2023-11-19 05:16:20,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-19 05:16:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-19 05:16:20,741 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_open [2023-11-19 05:16:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_open [2023-11-19 05:16:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 05:16:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 05:16:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_rmdir [2023-11-19 05:16:20,743 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_rmdir [2023-11-19 05:16:20,743 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount [2023-11-19 05:16:20,743 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount [2023-11-19 05:16:20,743 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl_exit [2023-11-19 05:16:20,743 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl_exit [2023-11-19 05:16:20,743 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-19 05:16:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-19 05:16:20,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 05:16:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 05:16:20,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 05:16:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 05:16:20,745 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_open [2023-11-19 05:16:20,745 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_open [2023-11-19 05:16:20,745 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 05:16:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 05:16:20,746 INFO L130 BoogieDeclarations]: Found specification of procedure clear_nlink [2023-11-19 05:16:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_nlink [2023-11-19 05:16:20,746 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_trigger [2023-11-19 05:16:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_trigger [2023-11-19 05:16:20,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:16:20,747 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2023-11-19 05:16:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2023-11-19 05:16:20,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 05:16:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 05:16:20,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 05:16:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 05:16:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2023-11-19 05:16:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2023-11-19 05:16:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-19 05:16:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-19 05:16:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2023-11-19 05:16:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-19 05:16:20,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-19 05:16:20,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:16:20,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 05:16:20,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 05:16:20,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:16:20,749 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 05:16:20,750 INFO L130 BoogieDeclarations]: Found specification of procedure simple_positive [2023-11-19 05:16:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_positive [2023-11-19 05:16:20,750 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-19 05:16:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-19 05:16:20,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-19 05:16:20,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-19 05:16:20,752 INFO L130 BoogieDeclarations]: Found specification of procedure path_get [2023-11-19 05:16:20,752 INFO L138 BoogieDeclarations]: Found implementation of procedure path_get [2023-11-19 05:16:20,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-19 05:16:20,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-19 05:16:20,753 INFO L130 BoogieDeclarations]: Found specification of procedure dget_dlock [2023-11-19 05:16:20,753 INFO L138 BoogieDeclarations]: Found implementation of procedure dget_dlock [2023-11-19 05:16:20,754 INFO L130 BoogieDeclarations]: Found specification of procedure d_lookup [2023-11-19 05:16:20,758 INFO L138 BoogieDeclarations]: Found implementation of procedure d_lookup [2023-11-19 05:16:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-19 05:16:20,759 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-19 05:16:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-19 05:16:20,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-19 05:16:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2023-11-19 05:16:20,759 INFO L138 BoogieDeclarations]: Found implementation of procedure recalc_sigpending [2023-11-19 05:16:20,760 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-19 05:16:20,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-19 05:16:20,760 INFO L130 BoogieDeclarations]: Found specification of procedure d_drop [2023-11-19 05:16:20,760 INFO L138 BoogieDeclarations]: Found implementation of procedure d_drop [2023-11-19 05:16:20,760 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_mount [2023-11-19 05:16:20,761 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_mount [2023-11-19 05:16:20,761 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_indirect [2023-11-19 05:16:20,761 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_indirect [2023-11-19 05:16:20,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:16:20,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:16:20,762 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_wait [2023-11-19 05:16:20,762 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_wait [2023-11-19 05:16:20,762 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 05:16:20,763 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 05:16:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl [2023-11-19 05:16:20,763 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl [2023-11-19 05:16:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-19 05:16:20,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-19 05:16:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2023-11-19 05:16:20,764 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2023-11-19 05:16:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2023-11-19 05:16:20,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2023-11-19 05:16:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:16:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:16:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait_release [2023-11-19 05:16:20,765 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait_release [2023-11-19 05:16:20,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:16:20,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:16:20,766 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl_unlocked [2023-11-19 05:16:20,766 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl_unlocked [2023-11-19 05:16:20,766 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2023-11-19 05:16:20,767 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2023-11-19 05:16:20,767 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 05:16:20,767 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 05:16:20,767 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_compat_ioctl [2023-11-19 05:16:20,767 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_compat_ioctl [2023-11-19 05:16:20,767 INFO L130 BoogieDeclarations]: Found specification of procedure read_seqretry [2023-11-19 05:16:20,768 INFO L138 BoogieDeclarations]: Found implementation of procedure read_seqretry [2023-11-19 05:16:20,768 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-11-19 05:16:20,768 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-11-19 05:16:20,768 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-19 05:16:20,768 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-19 05:16:20,768 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_readdir [2023-11-19 05:16:20,769 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_readdir [2023-11-19 05:16:20,769 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2023-11-19 05:16:20,769 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2023-11-19 05:16:20,769 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-19 05:16:20,769 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-19 05:16:20,770 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 05:16:20,770 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 05:16:20,770 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount_tree [2023-11-19 05:16:20,770 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount_tree [2023-11-19 05:16:20,770 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 05:16:20,770 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 05:16:20,771 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2023-11-19 05:16:20,771 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2023-11-19 05:16:20,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:16:20,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:16:20,771 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_pid [2023-11-19 05:16:20,772 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_pid [2023-11-19 05:16:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2023-11-19 05:16:20,772 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2023-11-19 05:16:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_busy [2023-11-19 05:16:20,772 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_busy [2023-11-19 05:16:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure d_unhashed [2023-11-19 05:16:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure d_unhashed [2023-11-19 05:16:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-19 05:16:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-19 05:16:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_kill_sb [2023-11-19 05:16:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_kill_sb [2023-11-19 05:16:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:16:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 05:16:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 05:16:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2023-11-19 05:16:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2023-11-19 05:16:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-19 05:16:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-19 05:16:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_set_managed [2023-11-19 05:16:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_set_managed [2023-11-19 05:16:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:16:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-11-19 05:16:20,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-11-19 05:16:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2023-11-19 05:16:20,777 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2023-11-19 05:16:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 05:16:20,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 05:16:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:16:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-19 05:16:20,778 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-19 05:16:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:16:20,778 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:16:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 05:16:20,778 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 05:16:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure find_autofs_mount [2023-11-19 05:16:20,779 INFO L138 BoogieDeclarations]: Found implementation of procedure find_autofs_mount [2023-11-19 05:16:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 05:16:20,779 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 05:16:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 05:16:20,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 05:16:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_close [2023-11-19 05:16:20,780 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_close [2023-11-19 05:16:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure ns_of_pid [2023-11-19 05:16:20,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_of_pid [2023-11-19 05:16:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 05:16:20,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 05:16:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 05:16:20,781 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 05:16:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_clean_ino [2023-11-19 05:16:20,781 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_clean_ino [2023-11-19 05:16:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_86 [2023-11-19 05:16:20,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_86 [2023-11-19 05:16:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_64 [2023-11-19 05:16:20,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_64 [2023-11-19 05:16:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure kern_path_mountpoint [2023-11-19 05:16:20,782 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_path_mountpoint [2023-11-19 05:16:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_positive_dentry [2023-11-19 05:16:20,782 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_positive_dentry [2023-11-19 05:16:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_58 [2023-11-19 05:16:20,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_58 [2023-11-19 05:16:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:16:20,783 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:16:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure __managed_dentry_set_managed [2023-11-19 05:16:20,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __managed_dentry_set_managed [2023-11-19 05:16:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait [2023-11-19 05:16:20,784 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait [2023-11-19 05:16:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_find_wait [2023-11-19 05:16:20,784 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_find_wait [2023-11-19 05:16:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-19 05:16:20,784 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-19 05:16:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2023-11-19 05:16:20,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2023-11-19 05:16:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:16:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_release [2023-11-19 05:16:20,786 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_release [2023-11-19 05:16:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure task_pgrp_nr [2023-11-19 05:16:20,786 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pgrp_nr [2023-11-19 05:16:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-19 05:16:20,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-19 05:16:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:16:20,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:16:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_87 [2023-11-19 05:16:20,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_87 [2023-11-19 05:16:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2023-11-19 05:16:20,788 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2023-11-19 05:16:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_symlink [2023-11-19 05:16:20,788 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_symlink [2023-11-19 05:16:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2023-11-19 05:16:20,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2023-11-19 05:16:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2023-11-19 05:16:20,789 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2023-11-19 05:16:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-19 05:16:20,789 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-19 05:16:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure d_mountpoint [2023-11-19 05:16:20,789 INFO L138 BoogieDeclarations]: Found implementation of procedure d_mountpoint [2023-11-19 05:16:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-19 05:16:20,790 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-19 05:16:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure have_submounts [2023-11-19 05:16:20,790 INFO L138 BoogieDeclarations]: Found implementation of procedure have_submounts [2023-11-19 05:16:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-11-19 05:16:20,790 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-11-19 05:16:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-19 05:16:20,791 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-19 05:16:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 05:16:20,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 05:16:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 05:16:20,792 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 05:16:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_prepare_pipe [2023-11-19 05:16:20,792 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_prepare_pipe [2023-11-19 05:16:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 05:16:20,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 05:16:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_del_active [2023-11-19 05:16:20,793 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_del_active [2023-11-19 05:16:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 05:16:20,793 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 05:16:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 05:16:20,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 05:16:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-19 05:16:20,794 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-19 05:16:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:16:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure d_add [2023-11-19 05:16:20,794 INFO L138 BoogieDeclarations]: Found implementation of procedure d_add [2023-11-19 05:16:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_catatonic_mode [2023-11-19 05:16:20,794 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_catatonic_mode [2023-11-19 05:16:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure gid_eq [2023-11-19 05:16:20,795 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_eq [2023-11-19 05:16:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 05:16:20,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 05:16:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-19 05:16:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2023-11-19 05:16:20,795 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2023-11-19 05:16:22,032 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:16:22,038 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:16:22,410 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:16:23,775 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call ULTIMATE.dealloc(~#descriptor~12#1.base, ~#descriptor~12#1.offset);havoc ~#descriptor~12#1.base, ~#descriptor~12#1.offset; [2023-11-19 05:16:34,122 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 05:16:34,545 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:16:37,667 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:16:37,667 INFO L302 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-19 05:16:37,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:37 BoogieIcfgContainer [2023-11-19 05:16:37,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:16:37,699 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:16:37,699 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:16:37,702 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:16:37,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:16:13" (1/3) ... [2023-11-19 05:16:37,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31650c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:16:37, skipping insertion in model container [2023-11-19 05:16:37,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:19" (2/3) ... [2023-11-19 05:16:37,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31650c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:16:37, skipping insertion in model container [2023-11-19 05:16:37,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:37" (3/3) ... [2023-11-19 05:16:37,707 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i [2023-11-19 05:16:37,728 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:16:37,728 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:16:37,864 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:16:37,876 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;@3f49ec3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:16:37,876 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:16:37,895 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) [2023-11-19 05:16:37,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2023-11-19 05:16:37,984 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:16:37,986 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] [2023-11-19 05:16:37,987 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:16:37,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:16:37,995 INFO L85 PathProgramCache]: Analyzing trace with hash -47251791, now seen corresponding path program 1 times [2023-11-19 05:16:38,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:16:38,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044851603] [2023-11-19 05:16:38,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:16:38,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:16:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:16:39,768 INFO L134 CoverageAnalysis]: Checked inductivity of 7665 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7665 trivial. 0 not checked. [2023-11-19 05:16:39,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:16:39,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044851603] [2023-11-19 05:16:39,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044851603] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:16:39,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:16:39,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:16:39,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417860221] [2023-11-19 05:16:39,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:16:39,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:16:39,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:16:39,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:16:39,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:16:39,859 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) [2023-11-19 05:16:42,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:16:45,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:16:47,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:16:50,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:16:52,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:16:54,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:16:55,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:16:55,370 INFO L93 Difference]: Finished difference Result 7800 states and 11490 transitions. [2023-11-19 05:16:55,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:16:55,373 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 [2023-11-19 05:16:55,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:16:55,456 INFO L225 Difference]: With dead ends: 7800 [2023-11-19 05:16:55,456 INFO L226 Difference]: Without dead ends: 5088 [2023-11-19 05:16:55,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:16:55,488 INFO L413 NwaCegarLoop]: 3641 mSDtfsCounter, 3527 mSDsluCounter, 3574 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 7 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3527 SdHoareTripleChecker+Valid, 7215 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2023-11-19 05:16:55,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3527 Valid, 7215 Invalid, 853 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 840 Invalid, 6 Unknown, 0 Unchecked, 14.8s Time] [2023-11-19 05:16:55,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5088 states. [2023-11-19 05:16:56,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5088 to 5084. [2023-11-19 05:16:56,034 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) [2023-11-19 05:16:56,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5084 states to 5084 states and 7412 transitions. [2023-11-19 05:16:56,111 INFO L78 Accepts]: Start accepts. Automaton has 5084 states and 7412 transitions. Word has length 531 [2023-11-19 05:16:56,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:16:56,114 INFO L495 AbstractCegarLoop]: Abstraction has 5084 states and 7412 transitions. [2023-11-19 05:16:56,115 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) [2023-11-19 05:16:56,115 INFO L276 IsEmpty]: Start isEmpty. Operand 5084 states and 7412 transitions. [2023-11-19 05:16:56,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2023-11-19 05:16:56,167 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:16:56,167 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] [2023-11-19 05:16:56,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:16:56,168 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:16:56,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:16:56,169 INFO L85 PathProgramCache]: Analyzing trace with hash -576385798, now seen corresponding path program 1 times [2023-11-19 05:16:56,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:16:56,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523934681] [2023-11-19 05:16:56,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:16:56,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:16:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:16:57,398 INFO L134 CoverageAnalysis]: Checked inductivity of 7764 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7761 trivial. 0 not checked. [2023-11-19 05:16:57,399 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:16:57,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523934681] [2023-11-19 05:16:57,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523934681] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:16:57,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:16:57,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:16:57,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475147349] [2023-11-19 05:16:57,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:16:57,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:16:57,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:16:57,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:16:57,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:16:57,407 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)