./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 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/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/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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-?-798a7b3-m [2025-03-04 05:11:58,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 05:11:58,785 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 05:11:58,792 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 05:11:58,793 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 05:11:58,816 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 05:11:58,816 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 05:11:58,817 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 05:11:58,817 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 05:11:58,817 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 05:11:58,817 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 05:11:58,817 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 05:11:58,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 05:11:58,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 05:11:58,818 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 05:11:58,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 05:11:58,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 05:11:58,818 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 05:11:58,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 05:11:58,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 05:11:58,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 05:11:58,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 05:11:58,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 05:11:58,818 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 05:11:58,818 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 05:11:58,818 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 05:11:58,818 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 05:11:58,818 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 05:11:58,818 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 05:11:58,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 05:11:58,818 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 05:11:58,818 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 05:11:58,818 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 05:11:58,819 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 05:11:58,819 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 05:11:58,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 05:11:58,819 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 05:11:58,819 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 05:11:58,819 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 05:11:58,819 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 05:11:58,819 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/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 [2025-03-04 05:11:59,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 05:11:59,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 05:11:59,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 05:11:59,067 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 05:11:59,067 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 05:11:59,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2025-03-04 05:12:00,294 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ed62b033/2c0659a3c2b84a0aae1d13ece84c74d4/FLAGb19f28388 [2025-03-04 05:12:00,962 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 05:12:00,962 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2025-03-04 05:12:01,011 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ed62b033/2c0659a3c2b84a0aae1d13ece84c74d4/FLAGb19f28388 [2025-03-04 05:12:01,378 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ed62b033/2c0659a3c2b84a0aae1d13ece84c74d4 [2025-03-04 05:12:01,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 05:12:01,381 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 05:12:01,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 05:12:01,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 05:12:01,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 05:12:01,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 05:12:01" (1/1) ... [2025-03-04 05:12:01,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69348bc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:12:01, skipping insertion in model container [2025-03-04 05:12:01,388 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 05:12:01" (1/1) ... [2025-03-04 05:12:01,483 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 05:12:05,296 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2025-03-04 05:12:05,298 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2025-03-04 05:12:05,299 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2025-03-04 05:12:05,299 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2025-03-04 05:12:05,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 05:12:05,340 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 05:12:05,431 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] [2025-03-04 05:12:05,433 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] [2025-03-04 05:12:05,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7224] [2025-03-04 05:12:05,437 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] [2025-03-04 05:12:05,437 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] [2025-03-04 05:12:05,439 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] [2025-03-04 05:12:05,439 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] [2025-03-04 05:12:05,440 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] [2025-03-04 05:12:05,440 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] [2025-03-04 05:12:05,440 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] [2025-03-04 05:12:05,440 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] [2025-03-04 05:12:05,441 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [7466] [2025-03-04 05:12:05,441 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7469] [2025-03-04 05:12:05,441 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7472] [2025-03-04 05:12:05,441 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7475] [2025-03-04 05:12:05,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7512] [2025-03-04 05:12:05,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7515] [2025-03-04 05:12:05,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [7517] [2025-03-04 05:12:05,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7522] [2025-03-04 05:12:05,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7525] [2025-03-04 05:12:05,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7527] [2025-03-04 05:12:05,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7532] [2025-03-04 05:12:05,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7535] [2025-03-04 05:12:05,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7537] [2025-03-04 05:12:05,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7542] [2025-03-04 05:12:05,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7545] [2025-03-04 05:12:05,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [7547] [2025-03-04 05:12:05,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7585] [2025-03-04 05:12:05,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7588] [2025-03-04 05:12:05,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [7590] [2025-03-04 05:12:05,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7595] [2025-03-04 05:12:05,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7598] [2025-03-04 05:12:05,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7600] [2025-03-04 05:12:05,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7605] [2025-03-04 05:12:05,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7608] [2025-03-04 05:12:05,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7610] [2025-03-04 05:12:05,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7615] [2025-03-04 05:12:05,446 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7618] [2025-03-04 05:12:05,446 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [7620] [2025-03-04 05:12:05,446 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7636] [2025-03-04 05:12:05,449 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7762] [2025-03-04 05:12:05,449 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7771] [2025-03-04 05:12:05,456 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8045] [2025-03-04 05:12:05,464 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] [2025-03-04 05:12:05,622 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] [2025-03-04 05:12:05,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12800] [2025-03-04 05:12:05,662 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13954] [2025-03-04 05:12:05,662 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13956] [2025-03-04 05:12:05,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13993] [2025-03-04 05:12:05,685 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2025-03-04 05:12:05,686 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2025-03-04 05:12:05,686 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2025-03-04 05:12:05,688 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2025-03-04 05:12:05,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 05:12:05,834 INFO L204 MainTranslator]: Completed translation [2025-03-04 05:12:05,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:12:05 WrapperNode [2025-03-04 05:12:05,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 05:12:05,836 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 05:12:05,836 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 05:12:05,837 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 05:12:05,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:12:05" (1/1) ... [2025-03-04 05:12:05,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:12:05" (1/1) ... [2025-03-04 05:12:06,079 INFO L138 Inliner]: procedures = 522, calls = 2083, calls flagged for inlining = 219, calls inlined = 178, statements flattened = 5857 [2025-03-04 05:12:06,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 05:12:06,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 05:12:06,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 05:12:06,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 05:12:06,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:12:05" (1/1) ... [2025-03-04 05:12:06,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:12:05" (1/1) ... [2025-03-04 05:12:06,134 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:12:05" (1/1) ... [2025-03-04 05:12:07,530 INFO L175 MemorySlicer]: Split 613 memory accesses to 14 slices as follows [6, 4, 543, 9, 2, 0, 1, 2, 4, 4, 28, 4, 3, 3]. 89 percent of accesses are in the largest equivalence class. The 48 initializations are split as follows [0, 0, 22, 9, 0, 0, 1, 2, 4, 4, 0, 0, 3, 3]. The 130 writes are split as follows [0, 2, 95, 0, 1, 0, 0, 0, 0, 0, 28, 4, 0, 0]. [2025-03-04 05:12:07,530 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:12:05" (1/1) ... [2025-03-04 05:12:07,531 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:12:05" (1/1) ... [2025-03-04 05:12:07,652 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:12:05" (1/1) ... [2025-03-04 05:12:07,665 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:12:05" (1/1) ... [2025-03-04 05:12:07,702 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:12:05" (1/1) ... [2025-03-04 05:12:07,725 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:12:05" (1/1) ... [2025-03-04 05:12:07,772 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 05:12:07,775 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 05:12:07,775 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 05:12:07,775 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 05:12:07,777 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:12:05" (1/1) ... [2025-03-04 05:12:07,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 05:12:07,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 05:12:07,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 05:12:07,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 05:12:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2025-03-04 05:12:07,840 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2025-03-04 05:12:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2025-03-04 05:12:07,841 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2025-03-04 05:12:07,841 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2025-03-04 05:12:07,841 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2025-03-04 05:12:07,841 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2025-03-04 05:12:07,841 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2025-03-04 05:12:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-03-04 05:12:07,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-03-04 05:12:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2025-03-04 05:12:07,842 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2025-03-04 05:12:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-04 05:12:07,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-04 05:12:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2025-03-04 05:12:07,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2025-03-04 05:12:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-03-04 05:12:07,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-03-04 05:12:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2025-03-04 05:12:07,843 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2025-03-04 05:12:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2025-03-04 05:12:07,843 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2025-03-04 05:12:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2025-03-04 05:12:07,844 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2025-03-04 05:12:07,844 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2025-03-04 05:12:07,844 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2025-03-04 05:12:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2025-03-04 05:12:07,845 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2025-03-04 05:12:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2025-03-04 05:12:07,845 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2025-03-04 05:12:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2025-03-04 05:12:07,845 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2025-03-04 05:12:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2025-03-04 05:12:07,845 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2025-03-04 05:12:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-03-04 05:12:07,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-03-04 05:12:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2025-03-04 05:12:07,845 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2025-03-04 05:12:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-03-04 05:12:07,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-03-04 05:12:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2025-03-04 05:12:07,846 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2025-03-04 05:12:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 05:12:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2025-03-04 05:12:07,846 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2025-03-04 05:12:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2025-03-04 05:12:07,846 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2025-03-04 05:12:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2025-03-04 05:12:07,846 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2025-03-04 05:12:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2025-03-04 05:12:07,846 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2025-03-04 05:12:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-04 05:12:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-04 05:12:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-04 05:12:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-04 05:12:07,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-04 05:12:07,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2025-03-04 05:12:07,848 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2025-03-04 05:12:07,848 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-03-04 05:12:07,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2025-03-04 05:12:07,848 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2025-03-04 05:12:07,848 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2025-03-04 05:12:07,848 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 05:12:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 05:12:07,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 05:12:07,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 05:12:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 05:12:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 05:12:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 05:12:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-04 05:12:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-04 05:12:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-04 05:12:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-04 05:12:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-04 05:12:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-04 05:12:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2025-03-04 05:12:07,850 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2025-03-04 05:12:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2025-03-04 05:12:07,850 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2025-03-04 05:12:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-04 05:12:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-04 05:12:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-04 05:12:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-04 05:12:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2025-03-04 05:12:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-04 05:12:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-04 05:12:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-04 05:12:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-04 05:12:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-04 05:12:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-04 05:12:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-04 05:12:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-04 05:12:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-03-04 05:12:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2025-03-04 05:12:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2025-03-04 05:12:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2025-03-04 05:12:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2025-03-04 05:12:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2025-03-04 05:12:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2025-03-04 05:12:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2025-03-04 05:12:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-03-04 05:12:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2025-03-04 05:12:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2025-03-04 05:12:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2025-03-04 05:12:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2025-03-04 05:12:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2025-03-04 05:12:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2025-03-04 05:12:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2025-03-04 05:12:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2025-03-04 05:12:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-03-04 05:12:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 05:12:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 05:12:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 05:12:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 05:12:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-04 05:12:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-04 05:12:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-04 05:12:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-04 05:12:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-04 05:12:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-04 05:12:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2025-03-04 05:12:07,854 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2025-03-04 05:12:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2025-03-04 05:12:07,854 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2025-03-04 05:12:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-04 05:12:07,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-04 05:12:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2025-03-04 05:12:07,854 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2025-03-04 05:12:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80___0 [2025-03-04 05:12:07,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80___0 [2025-03-04 05:12:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2025-03-04 05:12:07,854 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2025-03-04 05:12:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-03-04 05:12:07,854 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-03-04 05:12:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2025-03-04 05:12:07,854 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2025-03-04 05:12:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2025-03-04 05:12:07,854 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2025-03-04 05:12:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2025-03-04 05:12:07,854 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2025-03-04 05:12:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2025-03-04 05:12:07,854 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2025-03-04 05:12:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 05:12:07,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 05:12:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-03-04 05:12:07,854 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-04 05:12:07,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2025-03-04 05:12:07,855 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2025-03-04 05:12:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-03-04 05:12:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-03-04 05:12:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2025-03-04 05:12:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2025-03-04 05:12:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2025-03-04 05:12:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2025-03-04 05:12:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2025-03-04 05:12:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2025-03-04 05:12:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2025-03-04 05:12:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2025-03-04 05:12:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2025-03-04 05:12:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2025-03-04 05:12:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2025-03-04 05:12:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2025-03-04 05:12:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2025-03-04 05:12:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2025-03-04 05:12:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2025-03-04 05:12:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2025-03-04 05:12:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2025-03-04 05:12:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2025-03-04 05:12:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2025-03-04 05:12:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2025-03-04 05:12:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2025-03-04 05:12:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2025-03-04 05:12:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2025-03-04 05:12:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2025-03-04 05:12:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2025-03-04 05:12:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2025-03-04 05:12:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2025-03-04 05:12:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2025-03-04 05:12:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2025-03-04 05:12:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2025-03-04 05:12:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2025-03-04 05:12:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2025-03-04 05:12:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2025-03-04 05:12:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2025-03-04 05:12:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2025-03-04 05:12:07,857 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2025-03-04 05:12:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2025-03-04 05:12:07,857 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2025-03-04 05:12:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2025-03-04 05:12:07,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2025-03-04 05:12:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 05:12:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2025-03-04 05:12:07,857 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2025-03-04 05:12:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2025-03-04 05:12:07,857 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2025-03-04 05:12:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2025-03-04 05:12:07,857 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2025-03-04 05:12:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2025-03-04 05:12:07,857 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2025-03-04 05:12:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 05:12:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 05:12:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 05:12:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 05:12:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 05:12:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 05:12:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 05:12:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 05:12:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-04 05:12:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-04 05:12:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-04 05:12:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-04 05:12:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-04 05:12:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-04 05:12:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2025-03-04 05:12:07,861 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2025-03-04 05:12:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2025-03-04 05:12:07,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2025-03-04 05:12:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 05:12:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 05:12:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 05:12:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 05:12:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 05:12:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 05:12:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 05:12:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 05:12:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-04 05:12:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-04 05:12:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-04 05:12:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-04 05:12:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-04 05:12:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-04 05:12:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2025-03-04 05:12:07,863 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2025-03-04 05:12:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-04 05:12:07,863 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-04 05:12:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2025-03-04 05:12:07,863 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2025-03-04 05:12:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2025-03-04 05:12:07,863 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2025-03-04 05:12:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2025-03-04 05:12:07,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2025-03-04 05:12:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2025-03-04 05:12:07,863 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2025-03-04 05:12:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-03-04 05:12:07,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-03-04 05:12:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2025-03-04 05:12:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2025-03-04 05:12:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-03-04 05:12:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-03-04 05:12:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2025-03-04 05:12:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2025-03-04 05:12:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2025-03-04 05:12:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2025-03-04 05:12:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2025-03-04 05:12:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2025-03-04 05:12:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2025-03-04 05:12:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2025-03-04 05:12:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2025-03-04 05:12:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2025-03-04 05:12:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2025-03-04 05:12:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2025-03-04 05:12:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2025-03-04 05:12:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2025-03-04 05:12:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2025-03-04 05:12:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2025-03-04 05:12:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-04 05:12:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-04 05:12:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2025-03-04 05:12:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2025-03-04 05:12:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 05:12:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 05:12:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 05:12:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 05:12:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 05:12:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 05:12:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 05:12:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 05:12:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-04 05:12:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-04 05:12:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-04 05:12:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-04 05:12:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-04 05:12:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-04 05:12:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2025-03-04 05:12:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2025-03-04 05:12:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2025-03-04 05:12:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2025-03-04 05:12:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-04 05:12:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-04 05:12:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2025-03-04 05:12:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2025-03-04 05:12:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2025-03-04 05:12:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2025-03-04 05:12:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2025-03-04 05:12:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2025-03-04 05:12:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2025-03-04 05:12:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2025-03-04 05:12:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2025-03-04 05:12:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2025-03-04 05:12:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-03-04 05:12:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-03-04 05:12:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2025-03-04 05:12:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2025-03-04 05:12:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2025-03-04 05:12:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2025-03-04 05:12:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2025-03-04 05:12:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2025-03-04 05:12:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2025-03-04 05:12:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2025-03-04 05:12:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2025-03-04 05:12:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2025-03-04 05:12:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2025-03-04 05:12:07,869 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2025-03-04 05:12:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 05:12:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 05:12:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 05:12:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 05:12:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 05:12:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 05:12:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 05:12:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 05:12:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-04 05:12:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-04 05:12:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-04 05:12:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-04 05:12:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-04 05:12:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-04 05:12:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2025-03-04 05:12:07,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2025-03-04 05:12:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2025-03-04 05:12:07,869 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2025-03-04 05:12:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-03-04 05:12:07,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-03-04 05:12:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2025-03-04 05:12:07,869 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2025-03-04 05:12:08,866 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 05:12:08,868 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 05:12:09,341 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L17048: havoc nfs4_set_ds_client_#t~ret1469#1.base, nfs4_set_ds_client_#t~ret1469#1.offset; [2025-03-04 05:12:09,341 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L17109: havoc out_of_line_wait_on_bit_#t~nondet1477#1; [2025-03-04 05:12:09,342 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L17018: havoc nfs4_init_ds_session_#t~nondet1464#1; [2025-03-04 05:12:09,370 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L17148: havoc pnfs_write_done_resend_to_mds_#t~nondet1484#1; [2025-03-04 05:12:09,371 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-04 05:12:09,395 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8108: havoc #t~mem194.base, #t~mem194.offset; [2025-03-04 05:12:09,416 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L17001: havoc #t~nondet1460; [2025-03-04 05:12:09,501 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L16952: havoc __ldv_atomic_dec_and_lock_#t~nondet1455#1; [2025-03-04 05:12:09,501 INFO L1325 $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; [2025-03-04 05:12:09,569 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8055: havoc pnfs_enabled_sb_#t~mem185#1.base, pnfs_enabled_sb_#t~mem185#1.offset; [2025-03-04 05:12:09,569 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L16965: havoc _pnfs_return_layout_#t~nondet1456#1; [2025-03-04 05:12:09,710 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7941: havoc NFS_CLIENT_#t~mem93#1.base, NFS_CLIENT_#t~mem93#1.offset; [2025-03-04 05:12:09,710 INFO L1325 $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; [2025-03-04 05:12:09,711 INFO L1325 $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; [2025-03-04 05:12:09,760 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L17131: havoc pnfs_read_done_resend_to_mds_#t~nondet1481#1; [2025-03-04 05:12:09,764 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7363: havoc #t~mem34; [2025-03-04 05:12:10,013 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7921: havoc NFS_SB_#t~mem89#1.base, NFS_SB_#t~mem89#1.offset; [2025-03-04 05:12:10,034 INFO L1325 $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; [2025-03-04 05:12:10,131 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7828: havoc #t~ret77.base, #t~ret77.offset; [2025-03-04 05:12:10,174 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L13937: havoc #t~mem1298.base, #t~mem1298.offset;havoc #t~mem1299.base, #t~mem1299.offset; [2025-03-04 05:12:10,176 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7951: havoc #t~mem95; [2025-03-04 05:12:10,180 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L13910: havoc #t~mem1290.base, #t~mem1290.offset;havoc #t~mem1291.base, #t~mem1291.offset;havoc #t~mem1292; [2025-03-04 05:12:10,185 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L16974: havoc alloc_pages_current_#t~ret1457#1.base, alloc_pages_current_#t~ret1457#1.offset; [2025-03-04 05:12:10,209 INFO L1325 $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; [2025-03-04 05:12:10,209 INFO L1325 $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; [2025-03-04 05:12:10,233 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L17035: havoc nfs4_put_deviceid_node_#t~nondet1467#1; [2025-03-04 05:12:10,268 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L17152: havoc #t~nondet1485; [2025-03-04 05:12:10,301 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12449: havoc #t~bitwise966; [2025-03-04 05:12:10,338 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L17005: havoc #t~nondet1461; [2025-03-04 05:12:10,357 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7193: havoc #t~mem6.base, #t~mem6.offset; [2025-03-04 05:12:10,379 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L17120: havoc pnfs_generic_pg_test_#t~nondet1479#1; [2025-03-04 05:12:10,379 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L17066: havoc nfs_generic_pg_test_#t~nondet1473#1; [2025-03-04 05:12:10,429 INFO L1325 $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; [2025-03-04 05:12:10,431 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L17059: havoc #t~ret1472.base, #t~ret1472.offset; [2025-03-04 05:12:10,466 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L16941: havoc __cond_resched_lock_#t~nondet1453#1; [2025-03-04 05:12:10,514 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L17084: havoc nfs_initiate_write_#t~nondet1476#1; [2025-03-04 05:12:10,517 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L17011: havoc #t~ret1463.base, #t~ret1463.offset; [2025-03-04 05:12:10,524 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7232: havoc #t~mem11;havoc #t~bitwise12; [2025-03-04 05:12:10,595 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L17080: havoc nfs_initiate_read_#t~nondet1475#1; [2025-03-04 05:12:10,605 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L17076: havoc #t~nondet1474; [2025-03-04 05:12:10,635 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7226: #res := 1; [2025-03-04 05:12:10,653 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L17198: havoc #t~ret1490.base, #t~ret1490.offset; [2025-03-04 05:12:10,661 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7987: havoc #t~mem100;havoc #t~mem101; [2025-03-04 05:12:10,697 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10154: havoc filelayout_choose_commit_list_#t~mem764#1.base, filelayout_choose_commit_list_#t~mem764#1.offset; [2025-03-04 05:12:10,709 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L17144: havoc #t~ret1483.base, #t~ret1483.offset; [2025-03-04 05:12:11,745 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L16948: havoc __ipv6_addr_type_#t~nondet1454#1; [2025-03-04 05:12:11,745 INFO L1325 $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; [2025-03-04 05:12:11,745 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L17021: havoc nfs4_insert_deviceid_node_#t~ret1465#1.base, nfs4_insert_deviceid_node_#t~ret1465#1.offset; [2025-03-04 05:12:11,745 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L17031: havoc nfs4_proc_getdeviceinfo_#t~nondet1466#1; [2025-03-04 05:12:11,745 INFO L1325 $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; [2025-03-04 05:12:11,745 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L17173: havoc rpc_pton_#t~nondet1488#1; [2025-03-04 05:12:11,746 INFO L1325 $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; [2025-03-04 05:12:11,746 INFO L1325 $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; [2025-03-04 05:12:11,746 INFO L1325 $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; [2025-03-04 05:12:11,746 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L17008: havoc nfs4_find_get_deviceid_#t~ret1462#1.base, nfs4_find_get_deviceid_#t~ret1462#1.offset; [2025-03-04 05:12:11,761 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L17056: havoc nfs4_test_deviceid_unavailable_#t~nondet1471#1; [2025-03-04 05:12:11,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L17052: havoc #t~nondet1470; [2025-03-04 05:12:15,632 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L17116: havoc pnfs_generic_pg_readpages_#t~nondet1478#1; [2025-03-04 05:12:15,633 INFO L1325 $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; [2025-03-04 05:12:15,633 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L17124: havoc pnfs_generic_pg_writepages_#t~nondet1480#1; [2025-03-04 05:12:15,633 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L17135: havoc pnfs_register_layoutdriver_#t~nondet1482#1; [2025-03-04 05:12:15,633 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-03-04 05:12:16,897 INFO L? ?]: Removed 2821 outVars from TransFormulas that were not future-live. [2025-03-04 05:12:16,897 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 05:12:16,980 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 05:12:16,980 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-04 05:12:16,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 05:12:16 BoogieIcfgContainer [2025-03-04 05:12:16,980 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 05:12:16,982 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 05:12:16,982 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 05:12:16,985 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 05:12:16,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 05:12:01" (1/3) ... [2025-03-04 05:12:16,986 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66f3c500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 05:12:16, skipping insertion in model container [2025-03-04 05:12:16,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:12:05" (2/3) ... [2025-03-04 05:12:16,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66f3c500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 05:12:16, skipping insertion in model container [2025-03-04 05:12:16,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 05:12:16" (3/3) ... [2025-03-04 05:12:16,989 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2025-03-04 05:12:17,000 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 05:12:17,005 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. [2025-03-04 05:12:17,089 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 05:12:17,097 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;@49ef5c45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 05:12:17,098 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-04 05:12:17,109 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) [2025-03-04 05:12:17,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2025-03-04 05:12:17,132 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:12:17,133 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] [2025-03-04 05:12:17,133 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)] === [2025-03-04 05:12:17,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:12:17,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1712752296, now seen corresponding path program 1 times [2025-03-04 05:12:17,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:12:17,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686606223] [2025-03-04 05:12:17,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:12:17,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:12:17,344 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 404 statements into 1 equivalence classes. [2025-03-04 05:12:17,536 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 404 of 404 statements. [2025-03-04 05:12:17,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:12:17,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:12:18,136 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-03-04 05:12:18,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:12:18,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686606223] [2025-03-04 05:12:18,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686606223] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:12:18,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:12:18,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:12:18,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853216551] [2025-03-04 05:12:18,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:12:18,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:12:18,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:12:18,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:12:18,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:12:18,169 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 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2025-03-04 05:12:19,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:12:20,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:12:20,203 INFO L93 Difference]: Finished difference Result 7071 states and 10228 transitions. [2025-03-04 05:12:20,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:12:20,205 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 404 [2025-03-04 05:12:20,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:12:20,262 INFO L225 Difference]: With dead ends: 7071 [2025-03-04 05:12:20,262 INFO L226 Difference]: Without dead ends: 4691 [2025-03-04 05:12:20,283 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 [2025-03-04 05:12:20,285 INFO L435 NwaCegarLoop]: 3419 mSDtfsCounter, 3240 mSDsluCounter, 3357 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3240 SdHoareTripleChecker+Valid, 6776 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-03-04 05:12:20,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3240 Valid, 6776 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-03-04 05:12:20,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4691 states. [2025-03-04 05:12:20,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4691 to 4685. [2025-03-04 05:12:20,547 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) [2025-03-04 05:12:20,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4685 states to 4685 states and 6654 transitions. [2025-03-04 05:12:20,588 INFO L78 Accepts]: Start accepts. Automaton has 4685 states and 6654 transitions. Word has length 404 [2025-03-04 05:12:20,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:12:20,591 INFO L471 AbstractCegarLoop]: Abstraction has 4685 states and 6654 transitions. [2025-03-04 05:12:20,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2025-03-04 05:12:20,591 INFO L276 IsEmpty]: Start isEmpty. Operand 4685 states and 6654 transitions. [2025-03-04 05:12:20,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2025-03-04 05:12:20,600 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:12:20,600 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] [2025-03-04 05:12:20,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 05:12:20,601 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)] === [2025-03-04 05:12:20,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:12:20,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1392955556, now seen corresponding path program 1 times [2025-03-04 05:12:20,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:12:20,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821706908] [2025-03-04 05:12:20,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:12:20,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:12:20,789 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 406 statements into 1 equivalence classes. [2025-03-04 05:12:20,844 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 406 of 406 statements. [2025-03-04 05:12:20,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:12:20,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:12:21,133 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-03-04 05:12:21,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:12:21,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821706908] [2025-03-04 05:12:21,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821706908] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:12:21,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:12:21,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:12:21,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286673294] [2025-03-04 05:12:21,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:12:21,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:12:21,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:12:21,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:12:21,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:12:21,139 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) [2025-03-04 05:12:22,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:12:22,271 INFO L93 Difference]: Finished difference Result 11576 states and 16418 transitions. [2025-03-04 05:12:22,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:12:22,271 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 [2025-03-04 05:12:22,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:12:22,315 INFO L225 Difference]: With dead ends: 11576 [2025-03-04 05:12:22,315 INFO L226 Difference]: Without dead ends: 6964 [2025-03-04 05:12:22,338 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 [2025-03-04 05:12:22,339 INFO L435 NwaCegarLoop]: 3401 mSDtfsCounter, 3256 mSDsluCounter, 3351 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 0.9s IncrementalHoareTripleChecker+Time [2025-03-04 05:12:22,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3256 Valid, 6752 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-04 05:12:22,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6964 states. [2025-03-04 05:12:22,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6964 to 6926. [2025-03-04 05:12:22,624 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) [2025-03-04 05:12:22,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6926 states to 6926 states and 9811 transitions. [2025-03-04 05:12:22,660 INFO L78 Accepts]: Start accepts. Automaton has 6926 states and 9811 transitions. Word has length 406 [2025-03-04 05:12:22,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:12:22,661 INFO L471 AbstractCegarLoop]: Abstraction has 6926 states and 9811 transitions. [2025-03-04 05:12:22,661 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) [2025-03-04 05:12:22,662 INFO L276 IsEmpty]: Start isEmpty. Operand 6926 states and 9811 transitions. [2025-03-04 05:12:22,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2025-03-04 05:12:22,669 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:12:22,669 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] [2025-03-04 05:12:22,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 05:12:22,669 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)] === [2025-03-04 05:12:22,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:12:22,670 INFO L85 PathProgramCache]: Analyzing trace with hash 447036346, now seen corresponding path program 1 times [2025-03-04 05:12:22,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:12:22,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055101246] [2025-03-04 05:12:22,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:12:22,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:12:22,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 407 statements into 1 equivalence classes. [2025-03-04 05:12:22,818 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 407 of 407 statements. [2025-03-04 05:12:22,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:12:22,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:12:23,002 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-03-04 05:12:23,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:12:23,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055101246] [2025-03-04 05:12:23,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055101246] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:12:23,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:12:23,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:12:23,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700684992] [2025-03-04 05:12:23,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:12:23,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:12:23,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:12:23,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:12:23,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:12:23,006 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) [2025-03-04 05:12:24,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:12:25,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:12:25,459 INFO L93 Difference]: Finished difference Result 18156 states and 25703 transitions. [2025-03-04 05:12:25,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:12:25,460 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 [2025-03-04 05:12:25,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:12:25,523 INFO L225 Difference]: With dead ends: 18156 [2025-03-04 05:12:25,524 INFO L226 Difference]: Without dead ends: 11303 [2025-03-04 05:12:25,555 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 [2025-03-04 05:12:25,556 INFO L435 NwaCegarLoop]: 3401 mSDtfsCounter, 3191 mSDsluCounter, 3314 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.1s IncrementalHoareTripleChecker+Time [2025-03-04 05:12:25,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3191 Valid, 6715 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2025-03-04 05:12:25,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11303 states. [2025-03-04 05:12:25,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11303 to 11267. [2025-03-04 05:12:25,995 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) [2025-03-04 05:12:26,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11267 states to 11267 states and 15936 transitions. [2025-03-04 05:12:26,057 INFO L78 Accepts]: Start accepts. Automaton has 11267 states and 15936 transitions. Word has length 407 [2025-03-04 05:12:26,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:12:26,060 INFO L471 AbstractCegarLoop]: Abstraction has 11267 states and 15936 transitions. [2025-03-04 05:12:26,060 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) [2025-03-04 05:12:26,060 INFO L276 IsEmpty]: Start isEmpty. Operand 11267 states and 15936 transitions. [2025-03-04 05:12:26,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2025-03-04 05:12:26,067 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:12:26,068 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] [2025-03-04 05:12:26,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 05:12:26,068 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)] === [2025-03-04 05:12:26,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:12:26,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1022069242, now seen corresponding path program 1 times [2025-03-04 05:12:26,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:12:26,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529701531] [2025-03-04 05:12:26,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:12:26,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:12:26,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 408 statements into 1 equivalence classes. [2025-03-04 05:12:26,229 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 408 of 408 statements. [2025-03-04 05:12:26,229 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:12:26,229 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:12:26,362 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-03-04 05:12:26,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:12:26,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529701531] [2025-03-04 05:12:26,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529701531] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:12:26,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:12:26,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:12:26,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844175586] [2025-03-04 05:12:26,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:12:26,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:12:26,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:12:26,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:12:26,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:12:26,364 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) [2025-03-04 05:12:27,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:12:28,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:12:28,370 INFO L93 Difference]: Finished difference Result 27509 states and 38689 transitions. [2025-03-04 05:12:28,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:12:28,371 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 [2025-03-04 05:12:28,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:12:28,575 INFO L225 Difference]: With dead ends: 27509 [2025-03-04 05:12:28,576 INFO L226 Difference]: Without dead ends: 16315 [2025-03-04 05:12:28,607 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 [2025-03-04 05:12:28,609 INFO L435 NwaCegarLoop]: 5243 mSDtfsCounter, 3191 mSDsluCounter, 3315 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.6s IncrementalHoareTripleChecker+Time [2025-03-04 05:12:28,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3191 Valid, 8558 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-03-04 05:12:28,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16315 states. [2025-03-04 05:12:29,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16315 to 16275. [2025-03-04 05:12:29,384 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) [2025-03-04 05:12:29,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16275 states to 16275 states and 22783 transitions. [2025-03-04 05:12:29,450 INFO L78 Accepts]: Start accepts. Automaton has 16275 states and 22783 transitions. Word has length 408 [2025-03-04 05:12:29,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:12:29,451 INFO L471 AbstractCegarLoop]: Abstraction has 16275 states and 22783 transitions. [2025-03-04 05:12:29,451 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) [2025-03-04 05:12:29,451 INFO L276 IsEmpty]: Start isEmpty. Operand 16275 states and 22783 transitions. [2025-03-04 05:12:29,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2025-03-04 05:12:29,455 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:12:29,455 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] [2025-03-04 05:12:29,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 05:12:29,456 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)] === [2025-03-04 05:12:29,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:12:29,456 INFO L85 PathProgramCache]: Analyzing trace with hash 169360030, now seen corresponding path program 1 times [2025-03-04 05:12:29,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:12:29,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258462464] [2025-03-04 05:12:29,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:12:29,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:12:29,571 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 414 statements into 1 equivalence classes. [2025-03-04 05:12:29,616 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 414 of 414 statements. [2025-03-04 05:12:29,617 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:12:29,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:12:29,875 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-03-04 05:12:29,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:12:29,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258462464] [2025-03-04 05:12:29,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258462464] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:12:29,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:12:29,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:12:29,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788047301] [2025-03-04 05:12:29,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:12:29,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:12:29,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:12:29,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:12:29,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:12:29,877 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) [2025-03-04 05:12:31,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:12:32,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:12:32,285 INFO L93 Difference]: Finished difference Result 47461 states and 66441 transitions. [2025-03-04 05:12:32,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:12:32,285 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 [2025-03-04 05:12:32,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:12:32,438 INFO L225 Difference]: With dead ends: 47461 [2025-03-04 05:12:32,438 INFO L226 Difference]: Without dead ends: 31259 [2025-03-04 05:12:32,496 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 [2025-03-04 05:12:32,497 INFO L435 NwaCegarLoop]: 3464 mSDtfsCounter, 3256 mSDsluCounter, 3350 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.7s IncrementalHoareTripleChecker+Time [2025-03-04 05:12:32,497 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3256 Valid, 6814 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-03-04 05:12:32,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31259 states. [2025-03-04 05:12:33,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31259 to 31211. [2025-03-04 05:12:33,771 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) [2025-03-04 05:12:33,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31211 states to 31211 states and 43660 transitions. [2025-03-04 05:12:33,891 INFO L78 Accepts]: Start accepts. Automaton has 31211 states and 43660 transitions. Word has length 414 [2025-03-04 05:12:33,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:12:33,892 INFO L471 AbstractCegarLoop]: Abstraction has 31211 states and 43660 transitions. [2025-03-04 05:12:33,892 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) [2025-03-04 05:12:33,892 INFO L276 IsEmpty]: Start isEmpty. Operand 31211 states and 43660 transitions. [2025-03-04 05:12:33,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2025-03-04 05:12:33,897 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:12:33,897 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] [2025-03-04 05:12:33,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 05:12:33,897 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)] === [2025-03-04 05:12:33,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:12:33,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1472351357, now seen corresponding path program 1 times [2025-03-04 05:12:33,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:12:33,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108599230] [2025-03-04 05:12:33,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:12:33,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:12:34,011 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 421 statements into 1 equivalence classes. [2025-03-04 05:12:34,046 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 421 of 421 statements. [2025-03-04 05:12:34,046 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:12:34,046 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:12:34,231 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-03-04 05:12:34,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:12:34,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108599230] [2025-03-04 05:12:34,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108599230] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:12:34,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:12:34,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:12:34,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034779847] [2025-03-04 05:12:34,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:12:34,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:12:34,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:12:34,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:12:34,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:12:34,235 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) [2025-03-04 05:12:35,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:12:37,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:12:37,039 INFO L93 Difference]: Finished difference Result 89807 states and 125728 transitions. [2025-03-04 05:12:37,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:12:37,040 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 [2025-03-04 05:12:37,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:12:37,566 INFO L225 Difference]: With dead ends: 89807 [2025-03-04 05:12:37,567 INFO L226 Difference]: Without dead ends: 58669 [2025-03-04 05:12:37,671 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 [2025-03-04 05:12:37,673 INFO L435 NwaCegarLoop]: 4021 mSDtfsCounter, 3256 mSDsluCounter, 3349 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.7s IncrementalHoareTripleChecker+Time [2025-03-04 05:12:37,673 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3256 Valid, 7370 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-03-04 05:12:37,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58669 states. [2025-03-04 05:12:39,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58669 to 58629. [2025-03-04 05:12:39,925 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) [2025-03-04 05:12:40,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58629 states to 58629 states and 82038 transitions. [2025-03-04 05:12:40,352 INFO L78 Accepts]: Start accepts. Automaton has 58629 states and 82038 transitions. Word has length 421 [2025-03-04 05:12:40,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:12:40,353 INFO L471 AbstractCegarLoop]: Abstraction has 58629 states and 82038 transitions. [2025-03-04 05:12:40,353 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) [2025-03-04 05:12:40,354 INFO L276 IsEmpty]: Start isEmpty. Operand 58629 states and 82038 transitions. [2025-03-04 05:12:40,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2025-03-04 05:12:40,358 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:12:40,358 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] [2025-03-04 05:12:40,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 05:12:40,358 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)] === [2025-03-04 05:12:40,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:12:40,359 INFO L85 PathProgramCache]: Analyzing trace with hash 369021173, now seen corresponding path program 1 times [2025-03-04 05:12:40,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:12:40,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468514990] [2025-03-04 05:12:40,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:12:40,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:12:40,623 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 447 statements into 1 equivalence classes. [2025-03-04 05:12:40,657 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 447 of 447 statements. [2025-03-04 05:12:40,657 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:12:40,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:12:40,828 INFO L134 CoverageAnalysis]: Checked inductivity of 5372 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5367 trivial. 0 not checked. [2025-03-04 05:12:40,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:12:40,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468514990] [2025-03-04 05:12:40,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468514990] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:12:40,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:12:40,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:12:40,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104608400] [2025-03-04 05:12:40,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:12:40,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:12:40,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:12:40,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:12:40,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:12:40,831 INFO L87 Difference]: Start difference. First operand 58629 states and 82038 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) [2025-03-04 05:12:42,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:12:44,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:12:44,649 INFO L93 Difference]: Finished difference Result 173998 states and 243715 transitions. [2025-03-04 05:12:44,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:12:44,650 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 [2025-03-04 05:12:44,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:12:45,347 INFO L225 Difference]: With dead ends: 173998 [2025-03-04 05:12:45,347 INFO L226 Difference]: Without dead ends: 115495 [2025-03-04 05:12:45,523 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 [2025-03-04 05:12:45,525 INFO L435 NwaCegarLoop]: 6537 mSDtfsCounter, 3215 mSDsluCounter, 3353 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3215 SdHoareTripleChecker+Valid, 9890 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-03-04 05:12:45,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3215 Valid, 9890 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-03-04 05:12:45,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115495 states. [2025-03-04 05:12:49,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115495 to 115489. [2025-03-04 05:12:49,463 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) [2025-03-04 05:12:50,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115489 states to 115489 states and 161616 transitions. [2025-03-04 05:12:50,124 INFO L78 Accepts]: Start accepts. Automaton has 115489 states and 161616 transitions. Word has length 447 [2025-03-04 05:12:50,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:12:50,125 INFO L471 AbstractCegarLoop]: Abstraction has 115489 states and 161616 transitions. [2025-03-04 05:12:50,125 INFO L472 AbstractCegarLoop]: INTERPOLANT 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) [2025-03-04 05:12:50,125 INFO L276 IsEmpty]: Start isEmpty. Operand 115489 states and 161616 transitions. [2025-03-04 05:12:50,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2025-03-04 05:12:50,128 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:12:50,130 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] [2025-03-04 05:12:50,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-04 05:12:50,130 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)] === [2025-03-04 05:12:50,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:12:50,130 INFO L85 PathProgramCache]: Analyzing trace with hash 400040980, now seen corresponding path program 1 times [2025-03-04 05:12:50,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:12:50,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286417604] [2025-03-04 05:12:50,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:12:50,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:12:50,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 447 statements into 1 equivalence classes. [2025-03-04 05:12:50,341 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 447 of 447 statements. [2025-03-04 05:12:50,341 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:12:50,341 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:12:50,615 INFO L134 CoverageAnalysis]: Checked inductivity of 5372 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5367 trivial. 0 not checked. [2025-03-04 05:12:50,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:12:50,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286417604] [2025-03-04 05:12:50,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286417604] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:12:50,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:12:50,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:12:50,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533050617] [2025-03-04 05:12:50,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:12:50,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:12:50,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:12:50,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:12:50,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:12:50,617 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) [2025-03-04 05:12:52,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:12:57,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:12:57,199 INFO L93 Difference]: Finished difference Result 287773 states and 402973 transitions. [2025-03-04 05:12:57,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:12:57,200 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 [2025-03-04 05:12:57,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:12:58,026 INFO L225 Difference]: With dead ends: 287773 [2025-03-04 05:12:58,026 INFO L226 Difference]: Without dead ends: 172410 [2025-03-04 05:12:58,361 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 [2025-03-04 05:12:58,362 INFO L435 NwaCegarLoop]: 6518 mSDtfsCounter, 3252 mSDsluCounter, 3355 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 2.2s IncrementalHoareTripleChecker+Time [2025-03-04 05:12:58,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3252 Valid, 9873 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-03-04 05:12:58,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172410 states. [2025-03-04 05:13:04,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172410 to 172381. [2025-03-04 05:13:04,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172381 states, 118858 states have (on average 1.3031684867657205) internal successors, (154892), 122898 states have internal predecessors, (154892), 43169 states have call successors, (43169), 10351 states have call predecessors, (43169), 10350 states have return successors, (43165), 40997 states have call predecessors, (43165), 43165 states have call successors, (43165)