./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a3fefae310ce545ae0308409428f7c731a57ef22f29237b248c35b48d1414f89 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 07:40:37,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 07:40:37,341 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 07:40:37,348 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 07:40:37,348 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 07:40:37,366 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 07:40:37,368 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 07:40:37,368 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 07:40:37,368 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 07:40:37,368 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 07:40:37,369 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 07:40:37,369 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 07:40:37,370 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 07:40:37,370 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 07:40:37,370 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 07:40:37,370 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 07:40:37,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 07:40:37,371 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 07:40:37,371 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 07:40:37,371 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 07:40:37,371 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 07:40:37,371 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 07:40:37,371 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 07:40:37,371 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 07:40:37,371 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 07:40:37,371 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 07:40:37,371 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 07:40:37,371 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 07:40:37,372 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 07:40:37,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 07:40:37,372 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 07:40:37,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 07:40:37,372 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 07:40:37,372 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 07:40:37,372 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 07:40:37,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 07:40:37,373 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 07:40:37,373 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 07:40:37,373 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 07:40:37,373 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 07:40:37,373 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> a3fefae310ce545ae0308409428f7c731a57ef22f29237b248c35b48d1414f89 [2025-02-06 07:40:37,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 07:40:37,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 07:40:37,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 07:40:37,600 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 07:40:37,600 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 07:40:37,601 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2025-02-06 07:40:38,840 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f108c0ff6/a020022efb9b4161b71b283155365cc1/FLAG04d26e491 [2025-02-06 07:40:39,480 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 07:40:39,481 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2025-02-06 07:40:39,525 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f108c0ff6/a020022efb9b4161b71b283155365cc1/FLAG04d26e491 [2025-02-06 07:40:39,539 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f108c0ff6/a020022efb9b4161b71b283155365cc1 [2025-02-06 07:40:39,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 07:40:39,542 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 07:40:39,543 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 07:40:39,543 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 07:40:39,546 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 07:40:39,547 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:40:39" (1/1) ... [2025-02-06 07:40:39,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@790c405b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:39, skipping insertion in model container [2025-02-06 07:40:39,548 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:40:39" (1/1) ... [2025-02-06 07:40:39,649 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 07:40:42,697 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462737,462750] [2025-02-06 07:40:42,704 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462906,462919] [2025-02-06 07:40:42,704 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463073,463086] [2025-02-06 07:40:42,704 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463241,463254] [2025-02-06 07:40:42,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 07:40:42,748 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 07:40:42,817 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; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [7210] [2025-02-06 07:40:42,819 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; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [7217] [2025-02-06 07:40:42,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7224] [2025-02-06 07:40:42,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [7321-7322] [2025-02-06 07:40:42,822 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"); [7327-7329] [2025-02-06 07:40:42,824 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; addl %1,%0": "+m" (v->counter): "ir" (i)); [7369] [2025-02-06 07:40:42,825 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)); [7376] [2025-02-06 07:40:42,825 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; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [7404-7405] [2025-02-06 07:40:42,825 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; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [7408-7409] [2025-02-06 07:40:42,826 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; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [7412-7413] [2025-02-06 07:40:42,826 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; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [7416-7417] [2025-02-06 07:40:42,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [7466] [2025-02-06 07:40:42,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7469] [2025-02-06 07:40:42,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7472] [2025-02-06 07:40:42,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7475] [2025-02-06 07:40:42,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7512] [2025-02-06 07:40:42,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7515] [2025-02-06 07:40:42,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [7517] [2025-02-06 07:40:42,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7522] [2025-02-06 07:40:42,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7525] [2025-02-06 07:40:42,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7527] [2025-02-06 07:40:42,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7532] [2025-02-06 07:40:42,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7535] [2025-02-06 07:40:42,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7537] [2025-02-06 07:40:42,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7542] [2025-02-06 07:40:42,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7545] [2025-02-06 07:40:42,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [7547] [2025-02-06 07:40:42,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7585] [2025-02-06 07:40:42,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7588] [2025-02-06 07:40:42,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [7590] [2025-02-06 07:40:42,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7595] [2025-02-06 07:40:42,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7598] [2025-02-06 07:40:42,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7600] [2025-02-06 07:40:42,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7605] [2025-02-06 07:40:42,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7608] [2025-02-06 07:40:42,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7610] [2025-02-06 07:40:42,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7615] [2025-02-06 07:40:42,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7618] [2025-02-06 07:40:42,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [7620] [2025-02-06 07:40:42,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7636] [2025-02-06 07:40:42,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7762] [2025-02-06 07:40:42,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7771] [2025-02-06 07:40:42,842 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8045] [2025-02-06 07:40:42,848 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/nfs/nfs4filelayout.c"), "i" (84), "i" (12UL)); [8355-8356] [2025-02-06 07:40:43,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [12441-12442] [2025-02-06 07:40:43,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12800] [2025-02-06 07:40:43,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13954] [2025-02-06 07:40:43,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13956] [2025-02-06 07:40:43,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13993] [2025-02-06 07:40:43,125 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462737,462750] [2025-02-06 07:40:43,126 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462906,462919] [2025-02-06 07:40:43,127 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463073,463086] [2025-02-06 07:40:43,128 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463241,463254] [2025-02-06 07:40:43,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 07:40:43,272 INFO L204 MainTranslator]: Completed translation [2025-02-06 07:40:43,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:43 WrapperNode [2025-02-06 07:40:43,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 07:40:43,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 07:40:43,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 07:40:43,274 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 07:40:43,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:43" (1/1) ... [2025-02-06 07:40:43,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:43" (1/1) ... [2025-02-06 07:40:43,452 INFO L138 Inliner]: procedures = 522, calls = 2083, calls flagged for inlining = 219, calls inlined = 178, statements flattened = 5857 [2025-02-06 07:40:43,453 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 07:40:43,454 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 07:40:43,454 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 07:40:43,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 07:40:43,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:43" (1/1) ... [2025-02-06 07:40:43,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:43" (1/1) ... [2025-02-06 07:40:43,478 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:43" (1/1) ... [2025-02-06 07:40:45,014 INFO L175 MemorySlicer]: Split 613 memory accesses to 14 slices as follows [6, 4, 9, 0, 4, 1, 2, 4, 4, 543, 2, 28, 3, 3]. 89 percent of accesses are in the largest equivalence class. The 48 initializations are split as follows [0, 0, 9, 0, 0, 1, 2, 4, 4, 22, 0, 0, 3, 3]. The 130 writes are split as follows [0, 2, 0, 0, 4, 0, 0, 0, 0, 95, 1, 28, 0, 0]. [2025-02-06 07:40:45,015 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:43" (1/1) ... [2025-02-06 07:40:45,015 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:43" (1/1) ... [2025-02-06 07:40:45,142 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:43" (1/1) ... [2025-02-06 07:40:45,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:43" (1/1) ... [2025-02-06 07:40:45,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:43" (1/1) ... [2025-02-06 07:40:45,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:43" (1/1) ... [2025-02-06 07:40:45,253 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 07:40:45,255 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 07:40:45,255 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 07:40:45,255 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 07:40:45,256 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:43" (1/1) ... [2025-02-06 07:40:45,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 07:40:45,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 07:40:45,286 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 07:40:45,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 07:40:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2025-02-06 07:40:45,309 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2025-02-06 07:40:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2025-02-06 07:40:45,309 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2025-02-06 07:40:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2025-02-06 07:40:45,309 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2025-02-06 07:40:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2025-02-06 07:40:45,309 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2025-02-06 07:40:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-02-06 07:40:45,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-02-06 07:40:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2025-02-06 07:40:45,309 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2025-02-06 07:40:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-02-06 07:40:45,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-02-06 07:40:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2025-02-06 07:40:45,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2025-02-06 07:40:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-02-06 07:40:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-02-06 07:40:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2025-02-06 07:40:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2025-02-06 07:40:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2025-02-06 07:40:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2025-02-06 07:40:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2025-02-06 07:40:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2025-02-06 07:40:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2025-02-06 07:40:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2025-02-06 07:40:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2025-02-06 07:40:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2025-02-06 07:40:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2025-02-06 07:40:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2025-02-06 07:40:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2025-02-06 07:40:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2025-02-06 07:40:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2025-02-06 07:40:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2025-02-06 07:40:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-02-06 07:40:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-02-06 07:40:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2025-02-06 07:40:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2025-02-06 07:40:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-02-06 07:40:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-02-06 07:40:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2025-02-06 07:40:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2025-02-06 07:40:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 07:40:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2025-02-06 07:40:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2025-02-06 07:40:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2025-02-06 07:40:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2025-02-06 07:40:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2025-02-06 07:40:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2025-02-06 07:40:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2025-02-06 07:40:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2025-02-06 07:40:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-02-06 07:40:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-02-06 07:40:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-02-06 07:40:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-02-06 07:40:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-02-06 07:40:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-02-06 07:40:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-02-06 07:40:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-02-06 07:40:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-02-06 07:40:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-02-06 07:40:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-02-06 07:40:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-02-06 07:40:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-02-06 07:40:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-02-06 07:40:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2025-02-06 07:40:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2025-02-06 07:40:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2025-02-06 07:40:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2025-02-06 07:40:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 07:40:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 07:40:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 07:40:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 07:40:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 07:40:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 07:40:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 07:40:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-06 07:40:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-02-06 07:40:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-02-06 07:40:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-02-06 07:40:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-02-06 07:40:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-02-06 07:40:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-02-06 07:40:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-02-06 07:40:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-02-06 07:40:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2025-02-06 07:40:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2025-02-06 07:40:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2025-02-06 07:40:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2025-02-06 07:40:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2025-02-06 07:40:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2025-02-06 07:40:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 07:40:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 07:40:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 07:40:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 07:40:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 07:40:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 07:40:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 07:40:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-06 07:40:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-06 07:40:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-06 07:40:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-02-06 07:40:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-02-06 07:40:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-02-06 07:40:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-02-06 07:40:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2025-02-06 07:40:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2025-02-06 07:40:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2025-02-06 07:40:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2025-02-06 07:40:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-02-06 07:40:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-02-06 07:40:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-02-06 07:40:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-02-06 07:40:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-02-06 07:40:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-02-06 07:40:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-02-06 07:40:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-02-06 07:40:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-02-06 07:40:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2025-02-06 07:40:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2025-02-06 07:40:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2025-02-06 07:40:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2025-02-06 07:40:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2025-02-06 07:40:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-02-06 07:40:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-02-06 07:40:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-02-06 07:40:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-02-06 07:40:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-02-06 07:40:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-02-06 07:40:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-02-06 07:40:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-02-06 07:40:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-02-06 07:40:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2025-02-06 07:40:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2025-02-06 07:40:45,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2025-02-06 07:40:45,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2025-02-06 07:40:45,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2025-02-06 07:40:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2025-02-06 07:40:45,319 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2025-02-06 07:40:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2025-02-06 07:40:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2025-02-06 07:40:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2025-02-06 07:40:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2025-02-06 07:40:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-02-06 07:40:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-02-06 07:40:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2025-02-06 07:40:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2025-02-06 07:40:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 07:40:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2025-02-06 07:40:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2025-02-06 07:40:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2025-02-06 07:40:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2025-02-06 07:40:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2025-02-06 07:40:45,321 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2025-02-06 07:40:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2025-02-06 07:40:45,321 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2025-02-06 07:40:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2025-02-06 07:40:45,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2025-02-06 07:40:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 07:40:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2025-02-06 07:40:45,321 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2025-02-06 07:40:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2025-02-06 07:40:45,321 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2025-02-06 07:40:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-02-06 07:40:45,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-02-06 07:40:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 07:40:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 07:40:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 07:40:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 07:40:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 07:40:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 07:40:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 07:40:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-06 07:40:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2025-02-06 07:40:45,322 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2025-02-06 07:40:45,322 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-02-06 07:40:45,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2025-02-06 07:40:45,322 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80___0 [2025-02-06 07:40:45,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80___0 [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2025-02-06 07:40:45,322 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-02-06 07:40:45,322 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2025-02-06 07:40:45,322 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2025-02-06 07:40:45,322 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2025-02-06 07:40:45,322 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2025-02-06 07:40:45,322 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 07:40:45,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-02-06 07:40:45,322 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 07:40:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 07:40:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 07:40:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 07:40:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 07:40:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-06 07:40:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-02-06 07:40:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-02-06 07:40:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-02-06 07:40:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-02-06 07:40:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-02-06 07:40:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-02-06 07:40:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-02-06 07:40:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-02-06 07:40:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2025-02-06 07:40:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2025-02-06 07:40:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-02-06 07:40:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-02-06 07:40:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2025-02-06 07:40:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2025-02-06 07:40:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2025-02-06 07:40:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2025-02-06 07:40:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2025-02-06 07:40:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2025-02-06 07:40:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2025-02-06 07:40:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2025-02-06 07:40:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2025-02-06 07:40:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2025-02-06 07:40:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2025-02-06 07:40:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2025-02-06 07:40:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2025-02-06 07:40:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2025-02-06 07:40:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2025-02-06 07:40:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2025-02-06 07:40:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2025-02-06 07:40:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2025-02-06 07:40:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2025-02-06 07:40:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2025-02-06 07:40:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2025-02-06 07:40:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2025-02-06 07:40:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2025-02-06 07:40:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2025-02-06 07:40:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2025-02-06 07:40:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2025-02-06 07:40:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2025-02-06 07:40:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2025-02-06 07:40:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2025-02-06 07:40:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2025-02-06 07:40:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2025-02-06 07:40:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2025-02-06 07:40:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2025-02-06 07:40:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2025-02-06 07:40:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2025-02-06 07:40:45,326 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2025-02-06 07:40:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2025-02-06 07:40:45,326 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2025-02-06 07:40:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2025-02-06 07:40:45,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2025-02-06 07:40:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 07:40:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2025-02-06 07:40:45,326 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2025-02-06 07:40:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2025-02-06 07:40:45,326 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2025-02-06 07:40:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2025-02-06 07:40:45,326 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2025-02-06 07:40:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2025-02-06 07:40:45,326 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2025-02-06 07:40:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 07:40:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 07:40:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 07:40:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 07:40:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 07:40:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 07:40:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 07:40:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-06 07:40:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-06 07:40:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-02-06 07:40:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-02-06 07:40:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-02-06 07:40:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-02-06 07:40:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-02-06 07:40:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2025-02-06 07:40:45,329 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2025-02-06 07:40:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2025-02-06 07:40:45,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2025-02-06 07:40:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 07:40:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 07:40:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 07:40:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 07:40:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 07:40:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 07:40:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 07:40:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-06 07:40:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-02-06 07:40:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-02-06 07:40:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-02-06 07:40:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-02-06 07:40:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-02-06 07:40:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-02-06 07:40:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2025-02-06 07:40:45,329 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2025-02-06 07:40:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-02-06 07:40:45,329 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-02-06 07:40:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2025-02-06 07:40:45,329 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2025-02-06 07:40:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2025-02-06 07:40:45,329 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2025-02-06 07:40:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2025-02-06 07:40:45,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2025-02-06 07:40:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2025-02-06 07:40:45,329 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2025-02-06 07:40:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-02-06 07:40:45,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-02-06 07:40:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2025-02-06 07:40:45,330 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2025-02-06 07:40:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-02-06 07:40:45,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-02-06 07:40:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2025-02-06 07:40:45,330 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2025-02-06 07:40:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2025-02-06 07:40:45,330 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2025-02-06 07:40:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2025-02-06 07:40:45,330 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2025-02-06 07:40:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2025-02-06 07:40:45,330 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2025-02-06 07:40:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2025-02-06 07:40:45,330 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2025-02-06 07:40:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2025-02-06 07:40:45,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2025-02-06 07:40:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2025-02-06 07:40:45,330 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2025-02-06 07:40:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2025-02-06 07:40:45,330 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2025-02-06 07:40:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-02-06 07:40:45,330 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-02-06 07:40:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2025-02-06 07:40:45,330 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2025-02-06 07:40:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 07:40:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 07:40:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 07:40:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 07:40:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 07:40:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 07:40:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 07:40:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-06 07:40:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-06 07:40:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-06 07:40:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-02-06 07:40:45,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-02-06 07:40:45,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2025-02-06 07:40:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2025-02-06 07:40:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-02-06 07:40:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2025-02-06 07:40:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2025-02-06 07:40:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2025-02-06 07:40:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2025-02-06 07:40:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2025-02-06 07:40:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-02-06 07:40:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2025-02-06 07:40:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2025-02-06 07:40:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2025-02-06 07:40:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2025-02-06 07:40:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2025-02-06 07:40:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2025-02-06 07:40:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2025-02-06 07:40:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2025-02-06 07:40:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2025-02-06 07:40:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-02-06 07:40:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-02-06 07:40:45,335 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2025-02-06 07:40:45,335 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2025-02-06 07:40:46,097 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 07:40:46,100 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 07:40:46,430 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L17048: havoc nfs4_set_ds_client_#t~ret1469#1.base, nfs4_set_ds_client_#t~ret1469#1.offset; [2025-02-06 07:40:46,430 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L17109: havoc out_of_line_wait_on_bit_#t~nondet1477#1; [2025-02-06 07:40:46,430 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L17018: havoc nfs4_init_ds_session_#t~nondet1464#1; [2025-02-06 07:40:46,452 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L17148: havoc pnfs_write_done_resend_to_mds_#t~nondet1484#1; [2025-02-06 07:40:46,453 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-02-06 07:40:46,472 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8108: havoc #t~mem194.base, #t~mem194.offset; [2025-02-06 07:40:46,485 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L17001: havoc #t~nondet1460; [2025-02-06 07:40:46,575 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L16952: havoc __ldv_atomic_dec_and_lock_#t~nondet1455#1; [2025-02-06 07:40:46,576 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L14589-1: ldv___ldv_atomic_dec_and_lock_79_#res#1 := ldv___ldv_atomic_dec_and_lock_79_~ldv_func_res~0#1; [2025-02-06 07:40:46,626 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8055: havoc pnfs_enabled_sb_#t~mem185#1.base, pnfs_enabled_sb_#t~mem185#1.offset; [2025-02-06 07:40:46,626 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L16965: havoc _pnfs_return_layout_#t~nondet1456#1; [2025-02-06 07:40:46,767 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7941: havoc NFS_CLIENT_#t~mem93#1.base, NFS_CLIENT_#t~mem93#1.offset; [2025-02-06 07:40:46,767 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10230: havoc select_ds_fh_from_commit_#t~mem783#1.base, select_ds_fh_from_commit_#t~mem783#1.offset;havoc select_ds_fh_from_commit_#t~mem784#1.base, select_ds_fh_from_commit_#t~mem784#1.offset; [2025-02-06 07:40:46,767 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10530: call ULTIMATE.dealloc(~#list~2#1.base, ~#list~2#1.offset);havoc ~#list~2#1.base, ~#list~2#1.offset; [2025-02-06 07:40:46,804 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L17131: havoc pnfs_read_done_resend_to_mds_#t~nondet1481#1; [2025-02-06 07:40:46,808 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7363: havoc #t~mem34; [2025-02-06 07:40:47,061 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7921: havoc NFS_SB_#t~mem89#1.base, NFS_SB_#t~mem89#1.offset; [2025-02-06 07:40:47,077 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7203: havoc list_is_singular_#t~mem8#1.base, list_is_singular_#t~mem8#1.offset;havoc list_is_singular_#t~mem9#1.base, list_is_singular_#t~mem9#1.offset;havoc list_is_singular_#t~short10#1; [2025-02-06 07:40:47,153 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7828: havoc #t~ret77.base, #t~ret77.offset; [2025-02-06 07:40:47,195 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L13937: havoc #t~mem1298.base, #t~mem1298.offset;havoc #t~mem1299.base, #t~mem1299.offset; [2025-02-06 07:40:47,197 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7951: havoc #t~mem95; [2025-02-06 07:40:47,201 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L13910: havoc #t~mem1290.base, #t~mem1290.offset;havoc #t~mem1291.base, #t~mem1291.offset;havoc #t~mem1292; [2025-02-06 07:40:47,204 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L16974: havoc alloc_pages_current_#t~ret1457#1.base, alloc_pages_current_#t~ret1457#1.offset; [2025-02-06 07:40:47,242 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7343: call ULTIMATE.dealloc(div_u64_~#remainder~0#1.base, div_u64_~#remainder~0#1.offset);havoc div_u64_~#remainder~0#1.base, div_u64_~#remainder~0#1.offset; [2025-02-06 07:40:47,242 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8322: havoc filelayout_get_dense_offset_#t~mem233#1;havoc filelayout_get_dense_offset_#t~mem234#1;call ULTIMATE.dealloc(filelayout_get_dense_offset_~#rem~0#1.base, filelayout_get_dense_offset_~#rem~0#1.offset);havoc filelayout_get_dense_offset_~#rem~0#1.base, filelayout_get_dense_offset_~#rem~0#1.offset; [2025-02-06 07:40:47,278 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L17035: havoc nfs4_put_deviceid_node_#t~nondet1467#1; [2025-02-06 07:40:47,310 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L17152: havoc #t~nondet1485; [2025-02-06 07:40:47,340 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L12449: havoc #t~bitwise966; [2025-02-06 07:40:47,372 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L17005: havoc #t~nondet1461; [2025-02-06 07:40:47,389 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7193: havoc #t~mem6.base, #t~mem6.offset; [2025-02-06 07:40:47,408 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L17120: havoc pnfs_generic_pg_test_#t~nondet1479#1; [2025-02-06 07:40:47,408 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L17066: havoc nfs_generic_pg_test_#t~nondet1473#1; [2025-02-06 07:40:47,455 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10016: call ULTIMATE.dealloc(~#cinfo~0#1.base, ~#cinfo~0#1.offset);havoc ~#cinfo~0#1.base, ~#cinfo~0#1.offset; [2025-02-06 07:40:47,456 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L17059: havoc #t~ret1472.base, #t~ret1472.offset; [2025-02-06 07:40:47,489 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L16941: havoc __cond_resched_lock_#t~nondet1453#1; [2025-02-06 07:40:47,532 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L17084: havoc nfs_initiate_write_#t~nondet1476#1; [2025-02-06 07:40:47,534 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L17011: havoc #t~ret1463.base, #t~ret1463.offset; [2025-02-06 07:40:47,540 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7232: havoc #t~mem11;havoc #t~bitwise12; [2025-02-06 07:40:47,602 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L17080: havoc nfs_initiate_read_#t~nondet1475#1; [2025-02-06 07:40:47,611 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L17076: havoc #t~nondet1474; [2025-02-06 07:40:47,638 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7226: #res := 1; [2025-02-06 07:40:47,656 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L17198: havoc #t~ret1490.base, #t~ret1490.offset; [2025-02-06 07:40:47,661 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7987: havoc #t~mem100;havoc #t~mem101; [2025-02-06 07:40:47,690 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10154: havoc filelayout_choose_commit_list_#t~mem764#1.base, filelayout_choose_commit_list_#t~mem764#1.offset; [2025-02-06 07:40:47,701 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L17144: havoc #t~ret1483.base, #t~ret1483.offset; [2025-02-06 07:40:48,371 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L16948: havoc __ipv6_addr_type_#t~nondet1454#1; [2025-02-06 07:40:48,372 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L12522: havoc ipv6_addr_equal_#t~mem990#1;havoc ipv6_addr_equal_#t~mem991#1;havoc ipv6_addr_equal_#t~bitwise992#1;havoc ipv6_addr_equal_#t~mem993#1;havoc ipv6_addr_equal_#t~mem994#1;havoc ipv6_addr_equal_#t~bitwise995#1;havoc ipv6_addr_equal_#t~bitwise996#1; [2025-02-06 07:40:48,372 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L17021: havoc nfs4_insert_deviceid_node_#t~ret1465#1.base, nfs4_insert_deviceid_node_#t~ret1465#1.offset; [2025-02-06 07:40:48,372 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L17031: havoc nfs4_proc_getdeviceinfo_#t~nondet1466#1; [2025-02-06 07:40:48,372 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9574: call ULTIMATE.dealloc(filelayout_decode_layout_~#stream~0#1.base, filelayout_decode_layout_~#stream~0#1.offset);havoc filelayout_decode_layout_~#stream~0#1.base, filelayout_decode_layout_~#stream~0#1.offset;call ULTIMATE.dealloc(filelayout_decode_layout_~#buf~0#1.base, filelayout_decode_layout_~#buf~0#1.offset);havoc filelayout_decode_layout_~#buf~0#1.base, filelayout_decode_layout_~#buf~0#1.offset; [2025-02-06 07:40:48,372 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L17173: havoc rpc_pton_#t~nondet1488#1; [2025-02-06 07:40:48,372 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9854: call ULTIMATE.dealloc(~#id~0#1.base, ~#id~0#1.offset);havoc ~#id~0#1.base, ~#id~0#1.offset; [2025-02-06 07:40:48,372 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L13422: call ULTIMATE.dealloc(decode_device_~#stream~1#1.base, decode_device_~#stream~1#1.offset);havoc decode_device_~#stream~1#1.base, decode_device_~#stream~1#1.offset;call ULTIMATE.dealloc(decode_device_~#buf~2#1.base, decode_device_~#buf~2#1.offset);havoc decode_device_~#buf~2#1.base, decode_device_~#buf~2#1.offset;call ULTIMATE.dealloc(decode_device_~#dsaddrs~0#1.base, decode_device_~#dsaddrs~0#1.offset);havoc decode_device_~#dsaddrs~0#1.base, decode_device_~#dsaddrs~0#1.offset; [2025-02-06 07:40:48,372 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L13102: call ULTIMATE.dealloc(decode_ds_addr_~#tmp~88#1.base, decode_ds_addr_~#tmp~88#1.offset);havoc decode_ds_addr_~#tmp~88#1.base, decode_ds_addr_~#tmp~88#1.offset; [2025-02-06 07:40:48,372 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L17008: havoc nfs4_find_get_deviceid_#t~ret1462#1.base, nfs4_find_get_deviceid_#t~ret1462#1.offset; [2025-02-06 07:40:48,383 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L17056: havoc nfs4_test_deviceid_unavailable_#t~nondet1471#1; [2025-02-06 07:40:48,424 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L17052: havoc #t~nondet1470; [2025-02-06 07:40:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L17116: havoc pnfs_generic_pg_readpages_#t~nondet1478#1; [2025-02-06 07:40:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint main_returnLabel#1: #t~ret1492#1 := main_#res#1;havoc main_#t~ret939#1, main_~tmp~69#1;assume { :end_inline_main } true; [2025-02-06 07:40:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L17124: havoc pnfs_generic_pg_writepages_#t~nondet1480#1; [2025-02-06 07:40:52,833 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L17135: havoc pnfs_register_layoutdriver_#t~nondet1482#1; [2025-02-06 07:40:52,833 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-06 07:40:53,990 INFO L? ?]: Removed 2821 outVars from TransFormulas that were not future-live. [2025-02-06 07:40:53,990 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 07:40:54,070 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 07:40:54,072 INFO L337 CfgBuilder]: Removed 1 assume(true) statements. [2025-02-06 07:40:54,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:40:54 BoogieIcfgContainer [2025-02-06 07:40:54,073 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 07:40:54,074 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 07:40:54,074 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 07:40:54,077 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 07:40:54,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 07:40:39" (1/3) ... [2025-02-06 07:40:54,078 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@170840a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 07:40:54, skipping insertion in model container [2025-02-06 07:40:54,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:43" (2/3) ... [2025-02-06 07:40:54,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@170840a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 07:40:54, skipping insertion in model container [2025-02-06 07:40:54,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:40:54" (3/3) ... [2025-02-06 07:40:54,080 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2025-02-06 07:40:54,090 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 07:40:54,095 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i that has 140 procedures, 2508 locations, 1 initial locations, 29 loop locations, and 4 error locations. [2025-02-06 07:40:54,199 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 07:40:54,206 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, 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;@5f055b1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 07:40:54,207 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-06 07:40:54,214 INFO L276 IsEmpty]: Start isEmpty. Operand has 2441 states, 1661 states have (on average 1.3130644190246838) internal successors, (2181), 1712 states have internal predecessors, (2181), 651 states have call successors, (651), 126 states have call predecessors, (651), 125 states have return successors, (645), 622 states have call predecessors, (645), 645 states have call successors, (645) [2025-02-06 07:40:54,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2025-02-06 07:40:54,236 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:40:54,237 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 07:40:54,238 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2025-02-06 07:40:54,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:40:54,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1615607370, now seen corresponding path program 1 times [2025-02-06 07:40:54,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:40:54,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573568051] [2025-02-06 07:40:54,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:40:54,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:40:54,468 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 403 statements into 1 equivalence classes. [2025-02-06 07:40:54,654 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 403 of 403 statements. [2025-02-06 07:40:54,655 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:40:54,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:40:55,161 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-02-06 07:40:55,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:40:55,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573568051] [2025-02-06 07:40:55,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573568051] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:40:55,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:40:55,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 07:40:55,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732043562] [2025-02-06 07:40:55,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:40:55,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 07:40:55,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:40:55,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 07:40:55,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 07:40:55,191 INFO L87 Difference]: Start difference. First operand has 2441 states, 1661 states have (on average 1.3130644190246838) internal successors, (2181), 1712 states have internal predecessors, (2181), 651 states have call successors, (651), 126 states have call predecessors, (651), 125 states have return successors, (645), 622 states have call predecessors, (645), 645 states have call successors, (645) Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2025-02-06 07:40:59,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 07:40:59,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:40:59,657 INFO L93 Difference]: Finished difference Result 7071 states and 10228 transitions. [2025-02-06 07:40:59,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 07:40:59,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 403 [2025-02-06 07:40:59,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:40:59,692 INFO L225 Difference]: With dead ends: 7071 [2025-02-06 07:40:59,692 INFO L226 Difference]: Without dead ends: 4691 [2025-02-06 07:40:59,706 INFO L434 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 [2025-02-06 07:40:59,708 INFO L435 NwaCegarLoop]: 3419 mSDtfsCounter, 3241 mSDsluCounter, 3357 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3241 SdHoareTripleChecker+Valid, 6776 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2025-02-06 07:40:59,708 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3241 Valid, 6776 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 144 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2025-02-06 07:40:59,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4691 states. [2025-02-06 07:41:00,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4691 to 4685. [2025-02-06 07:41:00,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4685 states, 3214 states have (on average 1.3111387678904791) internal successors, (4214), 3314 states have internal predecessors, (4214), 1222 states have call successors, (1222), 246 states have call predecessors, (1222), 245 states have return successors, (1218), 1172 states have call predecessors, (1218), 1218 states have call successors, (1218) [2025-02-06 07:41:00,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4685 states to 4685 states and 6654 transitions. [2025-02-06 07:41:00,057 INFO L78 Accepts]: Start accepts. Automaton has 4685 states and 6654 transitions. Word has length 403 [2025-02-06 07:41:00,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:41:00,062 INFO L471 AbstractCegarLoop]: Abstraction has 4685 states and 6654 transitions. [2025-02-06 07:41:00,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2025-02-06 07:41:00,062 INFO L276 IsEmpty]: Start isEmpty. Operand 4685 states and 6654 transitions. [2025-02-06 07:41:00,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2025-02-06 07:41:00,071 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:41:00,072 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 07:41:00,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 07:41:00,072 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2025-02-06 07:41:00,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:41:00,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1392955556, now seen corresponding path program 1 times [2025-02-06 07:41:00,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:41:00,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15821249] [2025-02-06 07:41:00,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:41:00,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:41:00,257 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 406 statements into 1 equivalence classes. [2025-02-06 07:41:00,310 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 406 of 406 statements. [2025-02-06 07:41:00,310 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:41:00,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:41:00,558 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-02-06 07:41:00,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:41:00,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15821249] [2025-02-06 07:41:00,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15821249] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:41:00,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:41:00,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 07:41:00,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698902006] [2025-02-06 07:41:00,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:41:00,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 07:41:00,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:41:00,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 07:41:00,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 07:41:00,564 INFO L87 Difference]: Start difference. First operand 4685 states and 6654 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2025-02-06 07:41:01,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:41:01,923 INFO L93 Difference]: Finished difference Result 11576 states and 16418 transitions. [2025-02-06 07:41:01,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 07:41:01,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 406 [2025-02-06 07:41:01,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:41:01,958 INFO L225 Difference]: With dead ends: 11576 [2025-02-06 07:41:01,958 INFO L226 Difference]: Without dead ends: 6964 [2025-02-06 07:41:01,976 INFO L434 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 [2025-02-06 07:41:01,976 INFO L435 NwaCegarLoop]: 3401 mSDtfsCounter, 3256 mSDsluCounter, 3351 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3256 SdHoareTripleChecker+Valid, 6752 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-06 07:41:01,977 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3256 Valid, 6752 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-06 07:41:01,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6964 states. [2025-02-06 07:41:02,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6964 to 6926. [2025-02-06 07:41:02,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6926 states, 4770 states have (on average 1.310901467505241) internal successors, (6253), 4922 states have internal predecessors, (6253), 1781 states have call successors, (1781), 372 states have call predecessors, (1781), 371 states have return successors, (1777), 1703 states have call predecessors, (1777), 1777 states have call successors, (1777) [2025-02-06 07:41:02,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6926 states to 6926 states and 9811 transitions. [2025-02-06 07:41:02,260 INFO L78 Accepts]: Start accepts. Automaton has 6926 states and 9811 transitions. Word has length 406 [2025-02-06 07:41:02,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:41:02,262 INFO L471 AbstractCegarLoop]: Abstraction has 6926 states and 9811 transitions. [2025-02-06 07:41:02,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2025-02-06 07:41:02,263 INFO L276 IsEmpty]: Start isEmpty. Operand 6926 states and 9811 transitions. [2025-02-06 07:41:02,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2025-02-06 07:41:02,269 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:41:02,269 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 07:41:02,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 07:41:02,270 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2025-02-06 07:41:02,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:41:02,270 INFO L85 PathProgramCache]: Analyzing trace with hash 447036346, now seen corresponding path program 1 times [2025-02-06 07:41:02,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:41:02,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968073447] [2025-02-06 07:41:02,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:41:02,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:41:02,387 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 407 statements into 1 equivalence classes. [2025-02-06 07:41:02,425 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 407 of 407 statements. [2025-02-06 07:41:02,426 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:41:02,426 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:41:02,598 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-02-06 07:41:02,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:41:02,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968073447] [2025-02-06 07:41:02,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968073447] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:41:02,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:41:02,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 07:41:02,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064089816] [2025-02-06 07:41:02,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:41:02,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 07:41:02,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:41:02,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 07:41:02,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 07:41:02,600 INFO L87 Difference]: Start difference. First operand 6926 states and 9811 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2025-02-06 07:41:04,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 07:41:05,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:41:05,633 INFO L93 Difference]: Finished difference Result 18156 states and 25703 transitions. [2025-02-06 07:41:05,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 07:41:05,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 407 [2025-02-06 07:41:05,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:41:05,679 INFO L225 Difference]: With dead ends: 18156 [2025-02-06 07:41:05,680 INFO L226 Difference]: Without dead ends: 11303 [2025-02-06 07:41:05,699 INFO L434 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 [2025-02-06 07:41:05,700 INFO L435 NwaCegarLoop]: 3401 mSDtfsCounter, 3191 mSDsluCounter, 3314 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3191 SdHoareTripleChecker+Valid, 6715 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2025-02-06 07:41:05,701 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3191 Valid, 6715 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2025-02-06 07:41:05,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11303 states. [2025-02-06 07:41:05,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11303 to 11267. [2025-02-06 07:41:05,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11267 states, 7753 states have (on average 1.3112343608925576) internal successors, (10166), 8011 states have internal predecessors, (10166), 2887 states have call successors, (2887), 624 states have call predecessors, (2887), 623 states have return successors, (2883), 2751 states have call predecessors, (2883), 2883 states have call successors, (2883) [2025-02-06 07:41:06,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11267 states to 11267 states and 15936 transitions. [2025-02-06 07:41:06,035 INFO L78 Accepts]: Start accepts. Automaton has 11267 states and 15936 transitions. Word has length 407 [2025-02-06 07:41:06,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:41:06,036 INFO L471 AbstractCegarLoop]: Abstraction has 11267 states and 15936 transitions. [2025-02-06 07:41:06,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2025-02-06 07:41:06,039 INFO L276 IsEmpty]: Start isEmpty. Operand 11267 states and 15936 transitions. [2025-02-06 07:41:06,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2025-02-06 07:41:06,043 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:41:06,043 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 07:41:06,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 07:41:06,043 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2025-02-06 07:41:06,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:41:06,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1022069242, now seen corresponding path program 1 times [2025-02-06 07:41:06,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:41:06,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609912924] [2025-02-06 07:41:06,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:41:06,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:41:06,156 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 408 statements into 1 equivalence classes. [2025-02-06 07:41:06,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 408 of 408 statements. [2025-02-06 07:41:06,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:41:06,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:41:06,391 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-02-06 07:41:06,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:41:06,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609912924] [2025-02-06 07:41:06,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609912924] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:41:06,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:41:06,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 07:41:06,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562956876] [2025-02-06 07:41:06,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:41:06,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 07:41:06,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:41:06,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 07:41:06,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 07:41:06,393 INFO L87 Difference]: Start difference. First operand 11267 states and 15936 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2025-02-06 07:41:09,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 07:41:09,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:41:09,620 INFO L93 Difference]: Finished difference Result 27509 states and 38689 transitions. [2025-02-06 07:41:09,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 07:41:09,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 408 [2025-02-06 07:41:09,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:41:09,754 INFO L225 Difference]: With dead ends: 27509 [2025-02-06 07:41:09,754 INFO L226 Difference]: Without dead ends: 16315 [2025-02-06 07:41:09,789 INFO L434 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 [2025-02-06 07:41:09,791 INFO L435 NwaCegarLoop]: 5243 mSDtfsCounter, 3191 mSDsluCounter, 3315 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3191 SdHoareTripleChecker+Valid, 8558 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2025-02-06 07:41:09,792 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3191 Valid, 8558 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2025-02-06 07:41:09,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16315 states. [2025-02-06 07:41:10,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16315 to 16275. [2025-02-06 07:41:10,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16275 states, 11106 states have (on average 1.3019088780839185) internal successors, (14459), 11525 states have internal predecessors, (14459), 4164 states have call successors, (4164), 1002 states have call predecessors, (4164), 1001 states have return successors, (4160), 3915 states have call predecessors, (4160), 4160 states have call successors, (4160) [2025-02-06 07:41:10,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16275 states to 16275 states and 22783 transitions. [2025-02-06 07:41:10,340 INFO L78 Accepts]: Start accepts. Automaton has 16275 states and 22783 transitions. Word has length 408 [2025-02-06 07:41:10,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:41:10,341 INFO L471 AbstractCegarLoop]: Abstraction has 16275 states and 22783 transitions. [2025-02-06 07:41:10,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2025-02-06 07:41:10,342 INFO L276 IsEmpty]: Start isEmpty. Operand 16275 states and 22783 transitions. [2025-02-06 07:41:10,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2025-02-06 07:41:10,347 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:41:10,347 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 07:41:10,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 07:41:10,348 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2025-02-06 07:41:10,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:41:10,348 INFO L85 PathProgramCache]: Analyzing trace with hash 169360030, now seen corresponding path program 1 times [2025-02-06 07:41:10,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:41:10,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190715382] [2025-02-06 07:41:10,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:41:10,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:41:10,470 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 414 statements into 1 equivalence classes. [2025-02-06 07:41:10,506 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 414 of 414 statements. [2025-02-06 07:41:10,506 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:41:10,506 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:41:10,719 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-02-06 07:41:10,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:41:10,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190715382] [2025-02-06 07:41:10,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190715382] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:41:10,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:41:10,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 07:41:10,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321962032] [2025-02-06 07:41:10,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:41:10,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 07:41:10,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:41:10,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 07:41:10,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 07:41:10,722 INFO L87 Difference]: Start difference. First operand 16275 states and 22783 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2025-02-06 07:41:12,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:41:12,746 INFO L93 Difference]: Finished difference Result 47461 states and 66441 transitions. [2025-02-06 07:41:12,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 07:41:12,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 414 [2025-02-06 07:41:12,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:41:12,917 INFO L225 Difference]: With dead ends: 47461 [2025-02-06 07:41:12,917 INFO L226 Difference]: Without dead ends: 31259 [2025-02-06 07:41:12,985 INFO L434 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 [2025-02-06 07:41:12,985 INFO L435 NwaCegarLoop]: 3464 mSDtfsCounter, 3256 mSDsluCounter, 3350 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3256 SdHoareTripleChecker+Valid, 6814 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-06 07:41:12,986 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3256 Valid, 6814 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-06 07:41:13,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31259 states. [2025-02-06 07:41:13,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31259 to 31211. [2025-02-06 07:41:13,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31211 states, 21368 states have (on average 1.3026956196181205) internal successors, (27836), 22181 states have internal predecessors, (27836), 7914 states have call successors, (7914), 1926 states have call predecessors, (7914), 1925 states have return successors, (7910), 7431 states have call predecessors, (7910), 7910 states have call successors, (7910) [2025-02-06 07:41:13,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31211 states to 31211 states and 43660 transitions. [2025-02-06 07:41:14,018 INFO L78 Accepts]: Start accepts. Automaton has 31211 states and 43660 transitions. Word has length 414 [2025-02-06 07:41:14,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:41:14,019 INFO L471 AbstractCegarLoop]: Abstraction has 31211 states and 43660 transitions. [2025-02-06 07:41:14,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2025-02-06 07:41:14,019 INFO L276 IsEmpty]: Start isEmpty. Operand 31211 states and 43660 transitions. [2025-02-06 07:41:14,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2025-02-06 07:41:14,023 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:41:14,023 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 07:41:14,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 07:41:14,024 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2025-02-06 07:41:14,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:41:14,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1472351357, now seen corresponding path program 1 times [2025-02-06 07:41:14,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:41:14,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913391611] [2025-02-06 07:41:14,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:41:14,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:41:14,301 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 421 statements into 1 equivalence classes. [2025-02-06 07:41:14,331 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 421 of 421 statements. [2025-02-06 07:41:14,332 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:41:14,332 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:41:14,515 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-02-06 07:41:14,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:41:14,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913391611] [2025-02-06 07:41:14,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913391611] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:41:14,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:41:14,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 07:41:14,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853424053] [2025-02-06 07:41:14,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:41:14,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 07:41:14,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:41:14,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 07:41:14,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 07:41:14,517 INFO L87 Difference]: Start difference. First operand 31211 states and 43660 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2025-02-06 07:41:18,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 07:41:19,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:41:19,372 INFO L93 Difference]: Finished difference Result 89807 states and 125728 transitions. [2025-02-06 07:41:19,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 07:41:19,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 421 [2025-02-06 07:41:19,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:41:19,652 INFO L225 Difference]: With dead ends: 89807 [2025-02-06 07:41:19,652 INFO L226 Difference]: Without dead ends: 58669 [2025-02-06 07:41:19,767 INFO L434 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 [2025-02-06 07:41:19,769 INFO L435 NwaCegarLoop]: 4021 mSDtfsCounter, 3256 mSDsluCounter, 3349 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3256 SdHoareTripleChecker+Valid, 7370 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2025-02-06 07:41:19,769 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3256 Valid, 7370 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2025-02-06 07:41:19,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58669 states. [2025-02-06 07:41:21,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58669 to 58629. [2025-02-06 07:41:21,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58629 states, 40342 states have (on average 1.303653760349016) internal successors, (52592), 41824 states have internal predecessors, (52592), 14725 states have call successors, (14725), 3559 states have call predecessors, (14725), 3558 states have return successors, (14721), 13867 states have call predecessors, (14721), 14721 states have call successors, (14721) [2025-02-06 07:41:22,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58629 states to 58629 states and 82038 transitions. [2025-02-06 07:41:22,217 INFO L78 Accepts]: Start accepts. Automaton has 58629 states and 82038 transitions. Word has length 421 [2025-02-06 07:41:22,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:41:22,218 INFO L471 AbstractCegarLoop]: Abstraction has 58629 states and 82038 transitions. [2025-02-06 07:41:22,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2025-02-06 07:41:22,219 INFO L276 IsEmpty]: Start isEmpty. Operand 58629 states and 82038 transitions. [2025-02-06 07:41:22,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2025-02-06 07:41:22,223 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:41:22,224 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 2, 2, 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] [2025-02-06 07:41:22,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 07:41:22,224 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2025-02-06 07:41:22,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:41:22,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1702218739, now seen corresponding path program 1 times [2025-02-06 07:41:22,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:41:22,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923904268] [2025-02-06 07:41:22,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:41:22,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:41:22,347 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 448 statements into 1 equivalence classes. [2025-02-06 07:41:22,379 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 448 of 448 statements. [2025-02-06 07:41:22,379 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:41:22,379 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:41:22,550 INFO L134 CoverageAnalysis]: Checked inductivity of 5373 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5367 trivial. 0 not checked. [2025-02-06 07:41:22,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:41:22,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923904268] [2025-02-06 07:41:22,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923904268] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:41:22,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:41:22,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 07:41:22,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822398263] [2025-02-06 07:41:22,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:41:22,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 07:41:22,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:41:22,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 07:41:22,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 07:41:22,553 INFO L87 Difference]: Start difference. First operand 58629 states and 82038 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2025-02-06 07:41:26,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 07:41:29,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:41:29,571 INFO L93 Difference]: Finished difference Result 173998 states and 243715 transitions. [2025-02-06 07:41:29,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 07:41:29,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 448 [2025-02-06 07:41:29,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:41:30,058 INFO L225 Difference]: With dead ends: 173998 [2025-02-06 07:41:30,059 INFO L226 Difference]: Without dead ends: 115495 [2025-02-06 07:41:30,249 INFO L434 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 [2025-02-06 07:41:30,250 INFO L435 NwaCegarLoop]: 6537 mSDtfsCounter, 3214 mSDsluCounter, 3353 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3214 SdHoareTripleChecker+Valid, 9890 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2025-02-06 07:41:30,251 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3214 Valid, 9890 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 197 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2025-02-06 07:41:30,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115495 states. [2025-02-06 07:41:34,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115495 to 115489. [2025-02-06 07:41:34,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115489 states, 79584 states have (on average 1.303352432649779) internal successors, (103726), 82345 states have internal predecessors, (103726), 28947 states have call successors, (28947), 6955 states have call predecessors, (28947), 6954 states have return successors, (28943), 27432 states have call predecessors, (28943), 28943 states have call successors, (28943) [2025-02-06 07:41:35,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115489 states to 115489 states and 161616 transitions. [2025-02-06 07:41:35,090 INFO L78 Accepts]: Start accepts. Automaton has 115489 states and 161616 transitions. Word has length 448 [2025-02-06 07:41:35,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:41:35,091 INFO L471 AbstractCegarLoop]: Abstraction has 115489 states and 161616 transitions. [2025-02-06 07:41:35,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2025-02-06 07:41:35,091 INFO L276 IsEmpty]: Start isEmpty. Operand 115489 states and 161616 transitions. [2025-02-06 07:41:35,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2025-02-06 07:41:35,095 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:41:35,095 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 2, 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] [2025-02-06 07:41:35,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 07:41:35,095 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2025-02-06 07:41:35,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:41:35,096 INFO L85 PathProgramCache]: Analyzing trace with hash 400040980, now seen corresponding path program 1 times [2025-02-06 07:41:35,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:41:35,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854644742] [2025-02-06 07:41:35,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:41:35,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:41:35,247 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 447 statements into 1 equivalence classes. [2025-02-06 07:41:35,284 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 447 of 447 statements. [2025-02-06 07:41:35,285 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:41:35,285 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:41:35,476 INFO L134 CoverageAnalysis]: Checked inductivity of 5372 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5367 trivial. 0 not checked. [2025-02-06 07:41:35,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:41:35,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854644742] [2025-02-06 07:41:35,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854644742] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:41:35,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:41:35,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 07:41:35,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720678725] [2025-02-06 07:41:35,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:41:35,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 07:41:35,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:41:35,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 07:41:35,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 07:41:35,478 INFO L87 Difference]: Start difference. First operand 115489 states and 161616 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2025-02-06 07:41:36,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 07:41:41,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:41:41,456 INFO L93 Difference]: Finished difference Result 287773 states and 402973 transitions. [2025-02-06 07:41:41,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 07:41:41,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 447 [2025-02-06 07:41:41,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:41:42,587 INFO L225 Difference]: With dead ends: 287773 [2025-02-06 07:41:42,588 INFO L226 Difference]: Without dead ends: 172410 [2025-02-06 07:41:43,021 INFO L434 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 [2025-02-06 07:41:43,022 INFO L435 NwaCegarLoop]: 6518 mSDtfsCounter, 3252 mSDsluCounter, 3355 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3252 SdHoareTripleChecker+Valid, 9873 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-02-06 07:41:43,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3252 Valid, 9873 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-02-06 07:41:43,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172410 states.