./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 e2fb8bed 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-?-e2fb8be-m [2025-03-08 20:23:44,600 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 20:23:44,652 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 20:23:44,657 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 20:23:44,657 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 20:23:44,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 20:23:44,681 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 20:23:44,681 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 20:23:44,681 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 20:23:44,681 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 20:23:44,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 20:23:44,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 20:23:44,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 20:23:44,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 20:23:44,683 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 20:23:44,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 20:23:44,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 20:23:44,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 20:23:44,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 20:23:44,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 20:23:44,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 20:23:44,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 20:23:44,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 20:23:44,684 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 20:23:44,684 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 20:23:44,684 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 20:23:44,684 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 20:23:44,684 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 20:23:44,684 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 20:23:44,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 20:23:44,685 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 20:23:44,685 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 20:23:44,685 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 20:23:44,685 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 20:23:44,685 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 20:23:44,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 20:23:44,685 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 20:23:44,685 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 20:23:44,685 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 20:23:44,685 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 20:23:44,685 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 [2025-03-08 20:23:44,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 20:23:44,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 20:23:44,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 20:23:44,959 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 20:23:44,960 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 20:23:44,961 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2025-03-08 20:23:46,215 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e08c9fef2/b11ab7770d4d4b459b68f6433e8c479b/FLAG8c82efd40 [2025-03-08 20:23:46,874 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 20:23:46,875 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2025-03-08 20:23:46,928 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e08c9fef2/b11ab7770d4d4b459b68f6433e8c479b/FLAG8c82efd40 [2025-03-08 20:23:46,945 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e08c9fef2/b11ab7770d4d4b459b68f6433e8c479b [2025-03-08 20:23:46,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 20:23:46,949 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 20:23:46,950 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 20:23:46,950 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 20:23:46,954 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 20:23:46,955 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 08:23:46" (1/1) ... [2025-03-08 20:23:46,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d67457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:23:46, skipping insertion in model container [2025-03-08 20:23:46,956 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 08:23:46" (1/1) ... [2025-03-08 20:23:47,063 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 20:23:49,691 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] [2025-03-08 20:23:49,694 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] [2025-03-08 20:23:49,694 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] [2025-03-08 20:23:49,694 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] [2025-03-08 20:23:49,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 20:23:49,724 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 20:23:49,786 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] [2025-03-08 20:23:49,787 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] [2025-03-08 20:23:49,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7224] [2025-03-08 20:23:49,792 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] [2025-03-08 20:23:49,793 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] [2025-03-08 20:23:49,794 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] [2025-03-08 20:23:49,794 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] [2025-03-08 20:23:49,794 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] [2025-03-08 20:23:49,794 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] [2025-03-08 20:23:49,794 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] [2025-03-08 20:23:49,794 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] [2025-03-08 20:23:49,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [7466] [2025-03-08 20:23:49,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7469] [2025-03-08 20:23:49,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7472] [2025-03-08 20:23:49,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7475] [2025-03-08 20:23:49,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7512] [2025-03-08 20:23:49,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7515] [2025-03-08 20:23:49,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [7517] [2025-03-08 20:23:49,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7522] [2025-03-08 20:23:49,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7525] [2025-03-08 20:23:49,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7527] [2025-03-08 20:23:49,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7532] [2025-03-08 20:23:49,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7535] [2025-03-08 20:23:49,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7537] [2025-03-08 20:23:49,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7542] [2025-03-08 20:23:49,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7545] [2025-03-08 20:23:49,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [7547] [2025-03-08 20:23:49,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7585] [2025-03-08 20:23:49,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7588] [2025-03-08 20:23:49,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [7590] [2025-03-08 20:23:49,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7595] [2025-03-08 20:23:49,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7598] [2025-03-08 20:23:49,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7600] [2025-03-08 20:23:49,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7605] [2025-03-08 20:23:49,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7608] [2025-03-08 20:23:49,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7610] [2025-03-08 20:23:49,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7615] [2025-03-08 20:23:49,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7618] [2025-03-08 20:23:49,799 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [7620] [2025-03-08 20:23:49,799 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7636] [2025-03-08 20:23:49,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7762] [2025-03-08 20:23:49,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7771] [2025-03-08 20:23:49,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8045] [2025-03-08 20:23:49,810 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] [2025-03-08 20:23:49,945 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] [2025-03-08 20:23:49,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12800] [2025-03-08 20:23:49,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13954] [2025-03-08 20:23:49,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13956] [2025-03-08 20:23:49,991 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13993] [2025-03-08 20:23:50,024 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] [2025-03-08 20:23:50,025 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] [2025-03-08 20:23:50,026 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] [2025-03-08 20:23:50,027 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] [2025-03-08 20:23:50,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 20:23:50,160 INFO L204 MainTranslator]: Completed translation [2025-03-08 20:23:50,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:23:50 WrapperNode [2025-03-08 20:23:50,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 20:23:50,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 20:23:50,162 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 20:23:50,162 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 20:23:50,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:23:50" (1/1) ... [2025-03-08 20:23:50,247 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:23:50" (1/1) ... [2025-03-08 20:23:50,385 INFO L138 Inliner]: procedures = 522, calls = 2083, calls flagged for inlining = 219, calls inlined = 178, statements flattened = 5857 [2025-03-08 20:23:50,386 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 20:23:50,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 20:23:50,387 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 20:23:50,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 20:23:50,394 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:23:50" (1/1) ... [2025-03-08 20:23:50,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:23:50" (1/1) ... [2025-03-08 20:23:50,419 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:23:50" (1/1) ... [2025-03-08 20:23:51,697 INFO L175 MemorySlicer]: Split 613 memory accesses to 14 slices as follows [543, 9, 2, 1, 2, 4, 4, 0, 28, 4, 3, 6, 3, 4]. 89 percent of accesses are in the largest equivalence class. The 48 initializations are split as follows [22, 9, 0, 1, 2, 4, 4, 0, 0, 0, 3, 0, 3, 0]. The 130 writes are split as follows [95, 0, 1, 0, 0, 0, 0, 0, 28, 2, 0, 0, 0, 4]. [2025-03-08 20:23:51,698 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:23:50" (1/1) ... [2025-03-08 20:23:51,699 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:23:50" (1/1) ... [2025-03-08 20:23:51,792 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:23:50" (1/1) ... [2025-03-08 20:23:51,804 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:23:50" (1/1) ... [2025-03-08 20:23:51,829 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:23:50" (1/1) ... [2025-03-08 20:23:51,844 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:23:50" (1/1) ... [2025-03-08 20:23:51,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 20:23:51,888 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 20:23:51,888 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 20:23:51,888 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 20:23:51,890 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:23:50" (1/1) ... [2025-03-08 20:23:51,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 20:23:51,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 20:23:51,916 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) [2025-03-08 20:23:51,918 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 [2025-03-08 20:23:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2025-03-08 20:23:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2025-03-08 20:23:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2025-03-08 20:23:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2025-03-08 20:23:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2025-03-08 20:23:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2025-03-08 20:23:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2025-03-08 20:23:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2025-03-08 20:23:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-03-08 20:23:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-03-08 20:23:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2025-03-08 20:23:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2025-03-08 20:23:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-08 20:23:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-08 20:23:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2025-03-08 20:23:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2025-03-08 20:23:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-03-08 20:23:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-03-08 20:23:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2025-03-08 20:23:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2025-03-08 20:23:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2025-03-08 20:23:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2025-03-08 20:23:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2025-03-08 20:23:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2025-03-08 20:23:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2025-03-08 20:23:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2025-03-08 20:23:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2025-03-08 20:23:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2025-03-08 20:23:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2025-03-08 20:23:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2025-03-08 20:23:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2025-03-08 20:23:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2025-03-08 20:23:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2025-03-08 20:23:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2025-03-08 20:23:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-03-08 20:23:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-03-08 20:23:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2025-03-08 20:23:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2025-03-08 20:23:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-03-08 20:23:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-03-08 20:23:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2025-03-08 20:23:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2025-03-08 20:23:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 20:23:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2025-03-08 20:23:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2025-03-08 20:23:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2025-03-08 20:23:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2025-03-08 20:23:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2025-03-08 20:23:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2025-03-08 20:23:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2025-03-08 20:23:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2025-03-08 20:23:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-08 20:23:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-08 20:23:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-08 20:23:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-08 20:23:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-08 20:23:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-08 20:23:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-08 20:23:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-08 20:23:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-08 20:23:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-08 20:23:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-03-08 20:23:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-03-08 20:23:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-03-08 20:23:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-03-08 20:23:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2025-03-08 20:23:51,940 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2025-03-08 20:23:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2025-03-08 20:23:51,940 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2025-03-08 20:23:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 20:23:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 20:23:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 20:23:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 20:23:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 20:23:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 20:23:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 20:23:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 20:23:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 20:23:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 20:23:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 20:23:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 20:23:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-08 20:23:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-08 20:23:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-03-08 20:23:51,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-03-08 20:23:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2025-03-08 20:23:51,940 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2025-03-08 20:23:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2025-03-08 20:23:51,940 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2025-03-08 20:23:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2025-03-08 20:23:51,940 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2025-03-08 20:23:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 20:23:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 20:23:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 20:23:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 20:23:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 20:23:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2025-03-08 20:23:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2025-03-08 20:23:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2025-03-08 20:23:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-08 20:23:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-08 20:23:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-08 20:23:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-08 20:23:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-08 20:23:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-08 20:23:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-08 20:23:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-08 20:23:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-03-08 20:23:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2025-03-08 20:23:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2025-03-08 20:23:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2025-03-08 20:23:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2025-03-08 20:23:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2025-03-08 20:23:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2025-03-08 20:23:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2025-03-08 20:23:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2025-03-08 20:23:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-03-08 20:23:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-03-08 20:23:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2025-03-08 20:23:51,943 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2025-03-08 20:23:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 20:23:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2025-03-08 20:23:51,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2025-03-08 20:23:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2025-03-08 20:23:51,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2025-03-08 20:23:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2025-03-08 20:23:51,944 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2025-03-08 20:23:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2025-03-08 20:23:51,944 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2025-03-08 20:23:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2025-03-08 20:23:51,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2025-03-08 20:23:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 20:23:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2025-03-08 20:23:51,944 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2025-03-08 20:23:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2025-03-08 20:23:51,944 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2025-03-08 20:23:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-03-08 20:23:51,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-03-08 20:23:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 20:23:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 20:23:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 20:23:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 20:23:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 20:23:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 20:23:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 20:23:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 20:23:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 20:23:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 20:23:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-08 20:23:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2025-03-08 20:23:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2025-03-08 20:23:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 20:23:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2025-03-08 20:23:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80___0 [2025-03-08 20:23:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80___0 [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2025-03-08 20:23:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-03-08 20:23:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2025-03-08 20:23:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2025-03-08 20:23:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2025-03-08 20:23:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2025-03-08 20:23:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 20:23:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-03-08 20:23:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 20:23:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 20:23:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 20:23:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 20:23:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 20:23:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 20:23:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 20:23:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 20:23:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 20:23:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-08 20:23:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-08 20:23:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-08 20:23:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-08 20:23:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-08 20:23:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-08 20:23:51,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-08 20:23:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2025-03-08 20:23:51,948 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2025-03-08 20:23:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-03-08 20:23:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-03-08 20:23:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2025-03-08 20:23:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2025-03-08 20:23:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2025-03-08 20:23:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2025-03-08 20:23:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2025-03-08 20:23:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2025-03-08 20:23:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2025-03-08 20:23:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2025-03-08 20:23:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2025-03-08 20:23:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2025-03-08 20:23:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2025-03-08 20:23:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2025-03-08 20:23:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2025-03-08 20:23:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2025-03-08 20:23:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2025-03-08 20:23:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2025-03-08 20:23:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2025-03-08 20:23:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2025-03-08 20:23:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2025-03-08 20:23:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2025-03-08 20:23:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2025-03-08 20:23:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2025-03-08 20:23:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2025-03-08 20:23:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2025-03-08 20:23:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2025-03-08 20:23:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2025-03-08 20:23:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2025-03-08 20:23:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2025-03-08 20:23:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2025-03-08 20:23:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2025-03-08 20:23:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2025-03-08 20:23:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2025-03-08 20:23:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2025-03-08 20:23:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2025-03-08 20:23:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2025-03-08 20:23:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2025-03-08 20:23:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2025-03-08 20:23:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2025-03-08 20:23:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2025-03-08 20:23:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 20:23:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 20:23:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 20:23:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 20:23:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 20:23:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 20:23:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 20:23:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 20:23:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-08 20:23:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-08 20:23:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-08 20:23:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-08 20:23:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-08 20:23:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-08 20:23:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2025-03-08 20:23:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2025-03-08 20:23:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-08 20:23:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-08 20:23:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2025-03-08 20:23:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2025-03-08 20:23:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2025-03-08 20:23:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2025-03-08 20:23:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2025-03-08 20:23:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2025-03-08 20:23:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2025-03-08 20:23:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2025-03-08 20:23:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-03-08 20:23:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-03-08 20:23:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2025-03-08 20:23:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2025-03-08 20:23:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-03-08 20:23:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-03-08 20:23:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2025-03-08 20:23:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2025-03-08 20:23:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2025-03-08 20:23:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2025-03-08 20:23:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2025-03-08 20:23:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2025-03-08 20:23:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2025-03-08 20:23:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2025-03-08 20:23:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2025-03-08 20:23:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2025-03-08 20:23:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2025-03-08 20:23:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2025-03-08 20:23:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2025-03-08 20:23:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2025-03-08 20:23:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2025-03-08 20:23:51,953 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-08 20:23:51,953 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2025-03-08 20:23:51,953 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2025-03-08 20:23:51,953 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2025-03-08 20:23:51,953 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-08 20:23:51,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2025-03-08 20:23:51,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2025-03-08 20:23:51,953 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2025-03-08 20:23:51,953 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2025-03-08 20:23:51,953 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2025-03-08 20:23:51,953 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-03-08 20:23:51,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2025-03-08 20:23:51,953 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2025-03-08 20:23:51,953 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2025-03-08 20:23:51,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2025-03-08 20:23:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2025-03-08 20:23:51,953 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2025-03-08 20:23:51,954 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2025-03-08 20:23:51,954 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2025-03-08 20:23:51,954 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2025-03-08 20:23:51,954 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2025-03-08 20:23:51,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 20:23:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 20:23:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 20:23:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 20:23:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 20:23:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 20:23:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 20:23:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 20:23:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 20:23:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 20:23:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 20:23:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 20:23:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-08 20:23:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-08 20:23:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2025-03-08 20:23:51,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2025-03-08 20:23:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2025-03-08 20:23:51,955 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2025-03-08 20:23:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-03-08 20:23:51,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-03-08 20:23:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2025-03-08 20:23:51,955 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2025-03-08 20:23:52,747 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 20:23:52,749 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 20:23:53,171 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17048: havoc nfs4_set_ds_client_#t~ret1469#1.base, nfs4_set_ds_client_#t~ret1469#1.offset; [2025-03-08 20:23:53,172 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17109: havoc out_of_line_wait_on_bit_#t~nondet1477#1; [2025-03-08 20:23:53,172 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17018: havoc nfs4_init_ds_session_#t~nondet1464#1; [2025-03-08 20:23:53,201 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17148: havoc pnfs_write_done_resend_to_mds_#t~nondet1484#1; [2025-03-08 20:23:53,203 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-08 20:23:53,233 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8108: havoc #t~mem194.base, #t~mem194.offset; [2025-03-08 20:23:53,247 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17001: havoc #t~nondet1460; [2025-03-08 20:23:53,329 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L16952: havoc __ldv_atomic_dec_and_lock_#t~nondet1455#1; [2025-03-08 20:23:53,330 INFO L1307 $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; [2025-03-08 20:23:53,398 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8055: havoc pnfs_enabled_sb_#t~mem185#1.base, pnfs_enabled_sb_#t~mem185#1.offset; [2025-03-08 20:23:53,398 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L16965: havoc _pnfs_return_layout_#t~nondet1456#1; [2025-03-08 20:23:53,524 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7941: havoc NFS_CLIENT_#t~mem93#1.base, NFS_CLIENT_#t~mem93#1.offset; [2025-03-08 20:23:53,524 INFO L1307 $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; [2025-03-08 20:23:53,524 INFO L1307 $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; [2025-03-08 20:23:53,562 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17131: havoc pnfs_read_done_resend_to_mds_#t~nondet1481#1; [2025-03-08 20:23:53,566 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7363: havoc #t~mem34; [2025-03-08 20:23:53,779 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7921: havoc NFS_SB_#t~mem89#1.base, NFS_SB_#t~mem89#1.offset; [2025-03-08 20:23:53,795 INFO L1307 $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; [2025-03-08 20:23:53,879 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7828: havoc #t~ret77.base, #t~ret77.offset; [2025-03-08 20:23:53,920 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L13937: havoc #t~mem1298.base, #t~mem1298.offset;havoc #t~mem1299.base, #t~mem1299.offset; [2025-03-08 20:23:53,923 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7951: havoc #t~mem95; [2025-03-08 20:23:53,928 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L13910: havoc #t~mem1290.base, #t~mem1290.offset;havoc #t~mem1291.base, #t~mem1291.offset;havoc #t~mem1292; [2025-03-08 20:23:53,932 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L16974: havoc alloc_pages_current_#t~ret1457#1.base, alloc_pages_current_#t~ret1457#1.offset; [2025-03-08 20:23:53,957 INFO L1307 $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; [2025-03-08 20:23:53,958 INFO L1307 $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; [2025-03-08 20:23:53,979 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17035: havoc nfs4_put_deviceid_node_#t~nondet1467#1; [2025-03-08 20:23:54,017 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17152: havoc #t~nondet1485; [2025-03-08 20:23:54,052 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12449: havoc #t~bitwise966; [2025-03-08 20:23:54,091 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17005: havoc #t~nondet1461; [2025-03-08 20:23:54,111 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7193: havoc #t~mem6.base, #t~mem6.offset; [2025-03-08 20:23:54,133 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17120: havoc pnfs_generic_pg_test_#t~nondet1479#1; [2025-03-08 20:23:54,133 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17066: havoc nfs_generic_pg_test_#t~nondet1473#1; [2025-03-08 20:23:54,183 INFO L1307 $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; [2025-03-08 20:23:54,184 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17059: havoc #t~ret1472.base, #t~ret1472.offset; [2025-03-08 20:23:54,218 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L16941: havoc __cond_resched_lock_#t~nondet1453#1; [2025-03-08 20:23:54,259 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17084: havoc nfs_initiate_write_#t~nondet1476#1; [2025-03-08 20:23:54,262 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17011: havoc #t~ret1463.base, #t~ret1463.offset; [2025-03-08 20:23:54,267 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7232: havoc #t~mem11;havoc #t~bitwise12; [2025-03-08 20:23:54,332 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17080: havoc nfs_initiate_read_#t~nondet1475#1; [2025-03-08 20:23:54,342 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17076: havoc #t~nondet1474; [2025-03-08 20:23:54,369 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7226: #res := 1; [2025-03-08 20:23:54,386 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17198: havoc #t~ret1490.base, #t~ret1490.offset; [2025-03-08 20:23:54,392 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7987: havoc #t~mem100;havoc #t~mem101; [2025-03-08 20:23:54,430 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10154: havoc filelayout_choose_commit_list_#t~mem764#1.base, filelayout_choose_commit_list_#t~mem764#1.offset; [2025-03-08 20:23:54,440 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17144: havoc #t~ret1483.base, #t~ret1483.offset; [2025-03-08 20:23:55,222 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L16948: havoc __ipv6_addr_type_#t~nondet1454#1; [2025-03-08 20:23:55,222 INFO L1307 $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; [2025-03-08 20:23:55,222 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17021: havoc nfs4_insert_deviceid_node_#t~ret1465#1.base, nfs4_insert_deviceid_node_#t~ret1465#1.offset; [2025-03-08 20:23:55,222 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17031: havoc nfs4_proc_getdeviceinfo_#t~nondet1466#1; [2025-03-08 20:23:55,222 INFO L1307 $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; [2025-03-08 20:23:55,222 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17173: havoc rpc_pton_#t~nondet1488#1; [2025-03-08 20:23:55,222 INFO L1307 $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; [2025-03-08 20:23:55,222 INFO L1307 $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; [2025-03-08 20:23:55,222 INFO L1307 $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; [2025-03-08 20:23:55,222 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17008: havoc nfs4_find_get_deviceid_#t~ret1462#1.base, nfs4_find_get_deviceid_#t~ret1462#1.offset; [2025-03-08 20:23:55,235 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17056: havoc nfs4_test_deviceid_unavailable_#t~nondet1471#1; [2025-03-08 20:23:55,281 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17052: havoc #t~nondet1470; [2025-03-08 20:23:56,415 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17116: havoc pnfs_generic_pg_readpages_#t~nondet1478#1; [2025-03-08 20:23:56,415 INFO L1307 $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; [2025-03-08 20:23:56,416 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17124: havoc pnfs_generic_pg_writepages_#t~nondet1480#1; [2025-03-08 20:23:56,416 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17135: havoc pnfs_register_layoutdriver_#t~nondet1482#1; [2025-03-08 20:23:56,416 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-03-08 20:23:57,517 INFO L? ?]: Removed 2821 outVars from TransFormulas that were not future-live. [2025-03-08 20:23:57,518 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 20:23:57,584 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 20:23:57,585 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-08 20:23:57,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 08:23:57 BoogieIcfgContainer [2025-03-08 20:23:57,585 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 20:23:57,587 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 20:23:57,587 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 20:23:57,591 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 20:23:57,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 08:23:46" (1/3) ... [2025-03-08 20:23:57,591 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78160dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 08:23:57, skipping insertion in model container [2025-03-08 20:23:57,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:23:50" (2/3) ... [2025-03-08 20:23:57,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78160dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 08:23:57, skipping insertion in model container [2025-03-08 20:23:57,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 08:23:57" (3/3) ... [2025-03-08 20:23:57,593 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2025-03-08 20:23:57,603 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 20:23:57,606 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. [2025-03-08 20:23:57,698 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 20:23:57,705 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;@377c4f8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 20:23:57,705 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-08 20:23:57,712 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) [2025-03-08 20:23:57,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2025-03-08 20:23:57,740 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:23:57,741 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] [2025-03-08 20:23:57,742 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)] === [2025-03-08 20:23:57,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:23:57,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1712752296, now seen corresponding path program 1 times [2025-03-08 20:23:57,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:23:57,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495863033] [2025-03-08 20:23:57,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:23:57,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:23:57,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 404 statements into 1 equivalence classes. [2025-03-08 20:23:58,148 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 404 of 404 statements. [2025-03-08 20:23:58,148 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:23:58,148 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:23:58,702 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-03-08 20:23:58,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:23:58,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495863033] [2025-03-08 20:23:58,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495863033] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:23:58,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:23:58,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:23:58,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656036771] [2025-03-08 20:23:58,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:23:58,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:23:58,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:23:58,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:23:58,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:23:58,730 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) [2025-03-08 20:24:00,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:24:01,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:24:01,178 INFO L93 Difference]: Finished difference Result 7071 states and 10228 transitions. [2025-03-08 20:24:01,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:24:01,180 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 [2025-03-08 20:24:01,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:24:01,229 INFO L225 Difference]: With dead ends: 7071 [2025-03-08 20:24:01,229 INFO L226 Difference]: Without dead ends: 4691 [2025-03-08 20:24:01,250 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 [2025-03-08 20:24:01,252 INFO L435 NwaCegarLoop]: 3419 mSDtfsCounter, 3240 mSDsluCounter, 3357 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.2s IncrementalHoareTripleChecker+Time [2025-03-08 20:24:01,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3240 Valid, 6776 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-03-08 20:24:01,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4691 states. [2025-03-08 20:24:01,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4691 to 4685. [2025-03-08 20:24:01,515 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) [2025-03-08 20:24:01,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4685 states to 4685 states and 6654 transitions. [2025-03-08 20:24:01,556 INFO L78 Accepts]: Start accepts. Automaton has 4685 states and 6654 transitions. Word has length 404 [2025-03-08 20:24:01,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:24:01,561 INFO L471 AbstractCegarLoop]: Abstraction has 4685 states and 6654 transitions. [2025-03-08 20:24:01,561 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) [2025-03-08 20:24:01,562 INFO L276 IsEmpty]: Start isEmpty. Operand 4685 states and 6654 transitions. [2025-03-08 20:24:01,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2025-03-08 20:24:01,567 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:24:01,567 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] [2025-03-08 20:24:01,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 20:24:01,569 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)] === [2025-03-08 20:24:01,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:24:01,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1392955556, now seen corresponding path program 1 times [2025-03-08 20:24:01,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:24:01,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290467427] [2025-03-08 20:24:01,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:24:01,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:24:01,695 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 406 statements into 1 equivalence classes. [2025-03-08 20:24:01,748 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 406 of 406 statements. [2025-03-08 20:24:01,748 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:24:01,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:24:02,062 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-03-08 20:24:02,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:24:02,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290467427] [2025-03-08 20:24:02,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290467427] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:24:02,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:24:02,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:24:02,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411142504] [2025-03-08 20:24:02,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:24:02,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:24:02,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:24:02,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:24:02,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:24:02,066 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) [2025-03-08 20:24:05,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:24:05,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:24:05,938 INFO L93 Difference]: Finished difference Result 11576 states and 16418 transitions. [2025-03-08 20:24:05,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:24:05,939 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 [2025-03-08 20:24:05,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:24:05,980 INFO L225 Difference]: With dead ends: 11576 [2025-03-08 20:24:05,980 INFO L226 Difference]: Without dead ends: 6964 [2025-03-08 20:24:05,996 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 [2025-03-08 20:24:05,997 INFO L435 NwaCegarLoop]: 3401 mSDtfsCounter, 3256 mSDsluCounter, 3351 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s 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, 3.6s IncrementalHoareTripleChecker+Time [2025-03-08 20:24:05,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3256 Valid, 6752 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2025-03-08 20:24:06,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6964 states. [2025-03-08 20:24:06,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6964 to 6926. [2025-03-08 20:24:06,225 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) [2025-03-08 20:24:06,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6926 states to 6926 states and 9811 transitions. [2025-03-08 20:24:06,262 INFO L78 Accepts]: Start accepts. Automaton has 6926 states and 9811 transitions. Word has length 406 [2025-03-08 20:24:06,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:24:06,308 INFO L471 AbstractCegarLoop]: Abstraction has 6926 states and 9811 transitions. [2025-03-08 20:24:06,308 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) [2025-03-08 20:24:06,315 INFO L276 IsEmpty]: Start isEmpty. Operand 6926 states and 9811 transitions. [2025-03-08 20:24:06,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2025-03-08 20:24:06,320 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:24:06,321 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] [2025-03-08 20:24:06,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 20:24:06,321 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)] === [2025-03-08 20:24:06,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:24:06,322 INFO L85 PathProgramCache]: Analyzing trace with hash 447036346, now seen corresponding path program 1 times [2025-03-08 20:24:06,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:24:06,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122698336] [2025-03-08 20:24:06,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:24:06,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:24:06,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 407 statements into 1 equivalence classes. [2025-03-08 20:24:06,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 407 of 407 statements. [2025-03-08 20:24:06,523 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:24:06,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:24:06,716 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-03-08 20:24:06,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:24:06,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122698336] [2025-03-08 20:24:06,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122698336] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:24:06,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:24:06,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:24:06,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931529167] [2025-03-08 20:24:06,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:24:06,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:24:06,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:24:06,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:24:06,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:24:06,718 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) [2025-03-08 20:24:10,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:24:11,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:24:11,270 INFO L93 Difference]: Finished difference Result 18156 states and 25703 transitions. [2025-03-08 20:24:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:24:11,270 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 [2025-03-08 20:24:11,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:24:11,330 INFO L225 Difference]: With dead ends: 18156 [2025-03-08 20:24:11,331 INFO L226 Difference]: Without dead ends: 11303 [2025-03-08 20:24:11,361 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 [2025-03-08 20:24:11,363 INFO L435 NwaCegarLoop]: 3401 mSDtfsCounter, 3191 mSDsluCounter, 3314 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3191 SdHoareTripleChecker+Valid, 6715 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2025-03-08 20:24:11,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3191 Valid, 6715 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 182 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2025-03-08 20:24:11,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11303 states. [2025-03-08 20:24:11,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11303 to 11267. [2025-03-08 20:24:11,744 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) [2025-03-08 20:24:11,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11267 states to 11267 states and 15936 transitions. [2025-03-08 20:24:11,790 INFO L78 Accepts]: Start accepts. Automaton has 11267 states and 15936 transitions. Word has length 407 [2025-03-08 20:24:11,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:24:11,793 INFO L471 AbstractCegarLoop]: Abstraction has 11267 states and 15936 transitions. [2025-03-08 20:24:11,796 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) [2025-03-08 20:24:11,797 INFO L276 IsEmpty]: Start isEmpty. Operand 11267 states and 15936 transitions. [2025-03-08 20:24:11,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2025-03-08 20:24:11,804 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:24:11,804 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] [2025-03-08 20:24:11,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 20:24:11,805 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)] === [2025-03-08 20:24:11,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:24:11,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1022069242, now seen corresponding path program 1 times [2025-03-08 20:24:11,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:24:11,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155069924] [2025-03-08 20:24:11,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:24:11,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:24:11,924 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 408 statements into 1 equivalence classes. [2025-03-08 20:24:11,966 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 408 of 408 statements. [2025-03-08 20:24:11,968 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:24:11,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:24:12,094 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-03-08 20:24:12,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:24:12,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155069924] [2025-03-08 20:24:12,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155069924] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:24:12,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:24:12,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:24:12,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524896308] [2025-03-08 20:24:12,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:24:12,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:24:12,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:24:12,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:24:12,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:24:12,097 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) [2025-03-08 20:24:15,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:24:16,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:24:16,352 INFO L93 Difference]: Finished difference Result 27509 states and 38689 transitions. [2025-03-08 20:24:16,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:24:16,353 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 [2025-03-08 20:24:16,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:24:16,440 INFO L225 Difference]: With dead ends: 27509 [2025-03-08 20:24:16,441 INFO L226 Difference]: Without dead ends: 16315 [2025-03-08 20:24:16,490 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 [2025-03-08 20:24:16,491 INFO L435 NwaCegarLoop]: 5243 mSDtfsCounter, 3191 mSDsluCounter, 3315 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s 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, 3.9s IncrementalHoareTripleChecker+Time [2025-03-08 20:24:16,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3191 Valid, 8558 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2025-03-08 20:24:16,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16315 states. [2025-03-08 20:24:17,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16315 to 16275. [2025-03-08 20:24:17,033 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) [2025-03-08 20:24:17,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16275 states to 16275 states and 22783 transitions. [2025-03-08 20:24:17,169 INFO L78 Accepts]: Start accepts. Automaton has 16275 states and 22783 transitions. Word has length 408 [2025-03-08 20:24:17,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:24:17,170 INFO L471 AbstractCegarLoop]: Abstraction has 16275 states and 22783 transitions. [2025-03-08 20:24:17,171 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) [2025-03-08 20:24:17,171 INFO L276 IsEmpty]: Start isEmpty. Operand 16275 states and 22783 transitions. [2025-03-08 20:24:17,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2025-03-08 20:24:17,176 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:24:17,176 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] [2025-03-08 20:24:17,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 20:24:17,176 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)] === [2025-03-08 20:24:17,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:24:17,177 INFO L85 PathProgramCache]: Analyzing trace with hash 169360030, now seen corresponding path program 1 times [2025-03-08 20:24:17,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:24:17,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166978734] [2025-03-08 20:24:17,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:24:17,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:24:17,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 414 statements into 1 equivalence classes. [2025-03-08 20:24:17,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 414 of 414 statements. [2025-03-08 20:24:17,331 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:24:17,331 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:24:17,534 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-03-08 20:24:17,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:24:17,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166978734] [2025-03-08 20:24:17,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166978734] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:24:17,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:24:17,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:24:17,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822584829] [2025-03-08 20:24:17,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:24:17,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:24:17,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:24:17,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:24:17,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:24:17,536 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) [2025-03-08 20:24:19,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:24:20,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:24:20,571 INFO L93 Difference]: Finished difference Result 47461 states and 66441 transitions. [2025-03-08 20:24:20,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:24:20,576 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 [2025-03-08 20:24:20,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:24:20,782 INFO L225 Difference]: With dead ends: 47461 [2025-03-08 20:24:20,782 INFO L226 Difference]: Without dead ends: 31259 [2025-03-08 20:24:20,838 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 [2025-03-08 20:24:20,840 INFO L435 NwaCegarLoop]: 3464 mSDtfsCounter, 3256 mSDsluCounter, 3350 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.3s IncrementalHoareTripleChecker+Time [2025-03-08 20:24:20,840 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3256 Valid, 6814 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2025-03-08 20:24:20,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31259 states. [2025-03-08 20:24:22,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31259 to 31211. [2025-03-08 20:24:22,051 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) [2025-03-08 20:24:22,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31211 states to 31211 states and 43660 transitions. [2025-03-08 20:24:22,230 INFO L78 Accepts]: Start accepts. Automaton has 31211 states and 43660 transitions. Word has length 414 [2025-03-08 20:24:22,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:24:22,231 INFO L471 AbstractCegarLoop]: Abstraction has 31211 states and 43660 transitions. [2025-03-08 20:24:22,231 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) [2025-03-08 20:24:22,232 INFO L276 IsEmpty]: Start isEmpty. Operand 31211 states and 43660 transitions. [2025-03-08 20:24:22,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2025-03-08 20:24:22,239 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:24:22,239 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] [2025-03-08 20:24:22,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 20:24:22,239 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)] === [2025-03-08 20:24:22,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:24:22,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1472351357, now seen corresponding path program 1 times [2025-03-08 20:24:22,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:24:22,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568029878] [2025-03-08 20:24:22,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:24:22,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:24:22,448 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 421 statements into 1 equivalence classes. [2025-03-08 20:24:22,505 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 421 of 421 statements. [2025-03-08 20:24:22,506 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:24:22,506 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:24:22,768 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-03-08 20:24:22,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:24:22,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568029878] [2025-03-08 20:24:22,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568029878] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:24:22,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:24:22,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:24:22,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626847982] [2025-03-08 20:24:22,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:24:22,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:24:22,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:24:22,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:24:22,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:24:22,770 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) [2025-03-08 20:24:24,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:24:25,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:24:25,928 INFO L93 Difference]: Finished difference Result 89807 states and 125728 transitions. [2025-03-08 20:24:25,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:24:25,928 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 [2025-03-08 20:24:25,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:24:26,198 INFO L225 Difference]: With dead ends: 89807 [2025-03-08 20:24:26,198 INFO L226 Difference]: Without dead ends: 58669 [2025-03-08 20:24:26,302 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 [2025-03-08 20:24:26,303 INFO L435 NwaCegarLoop]: 4021 mSDtfsCounter, 3256 mSDsluCounter, 3349 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3256 SdHoareTripleChecker+Valid, 7370 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-03-08 20:24:26,303 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3256 Valid, 7370 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-03-08 20:24:26,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58669 states. [2025-03-08 20:24:28,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58669 to 58629. [2025-03-08 20:24:28,597 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) [2025-03-08 20:24:28,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58629 states to 58629 states and 82038 transitions. [2025-03-08 20:24:28,901 INFO L78 Accepts]: Start accepts. Automaton has 58629 states and 82038 transitions. Word has length 421 [2025-03-08 20:24:28,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:24:28,903 INFO L471 AbstractCegarLoop]: Abstraction has 58629 states and 82038 transitions. [2025-03-08 20:24:28,903 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) [2025-03-08 20:24:28,903 INFO L276 IsEmpty]: Start isEmpty. Operand 58629 states and 82038 transitions. [2025-03-08 20:24:28,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2025-03-08 20:24:28,906 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:24:28,906 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] [2025-03-08 20:24:28,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 20:24:28,906 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)] === [2025-03-08 20:24:28,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:24:28,907 INFO L85 PathProgramCache]: Analyzing trace with hash 369021173, now seen corresponding path program 1 times [2025-03-08 20:24:28,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:24:28,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215646894] [2025-03-08 20:24:28,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:24:28,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:24:29,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 447 statements into 1 equivalence classes. [2025-03-08 20:24:29,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 447 of 447 statements. [2025-03-08 20:24:29,060 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:24:29,060 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:24:29,233 INFO L134 CoverageAnalysis]: Checked inductivity of 5372 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5367 trivial. 0 not checked. [2025-03-08 20:24:29,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:24:29,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215646894] [2025-03-08 20:24:29,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215646894] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:24:29,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:24:29,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:24:29,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237623864] [2025-03-08 20:24:29,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:24:29,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:24:29,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:24:29,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:24:29,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:24:29,236 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) [2025-03-08 20:24:32,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:24:35,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:24:35,027 INFO L93 Difference]: Finished difference Result 173998 states and 243715 transitions. [2025-03-08 20:24:35,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:24:35,027 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 [2025-03-08 20:24:35,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:24:36,051 INFO L225 Difference]: With dead ends: 173998 [2025-03-08 20:24:36,052 INFO L226 Difference]: Without dead ends: 115495 [2025-03-08 20:24:36,413 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 [2025-03-08 20:24:36,420 INFO L435 NwaCegarLoop]: 6537 mSDtfsCounter, 3215 mSDsluCounter, 3353 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s 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, 3.5s IncrementalHoareTripleChecker+Time [2025-03-08 20:24:36,420 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3215 Valid, 9890 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2025-03-08 20:24:36,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115495 states. [2025-03-08 20:24:40,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115495 to 115489. [2025-03-08 20:24:40,449 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) [2025-03-08 20:24:40,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115489 states to 115489 states and 161616 transitions. [2025-03-08 20:24:41,062 INFO L78 Accepts]: Start accepts. Automaton has 115489 states and 161616 transitions. Word has length 447 [2025-03-08 20:24:41,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:24:41,063 INFO L471 AbstractCegarLoop]: Abstraction has 115489 states and 161616 transitions. [2025-03-08 20:24:41,064 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) [2025-03-08 20:24:41,064 INFO L276 IsEmpty]: Start isEmpty. Operand 115489 states and 161616 transitions. [2025-03-08 20:24:41,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2025-03-08 20:24:41,066 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:24:41,067 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:24:41,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 20:24:41,067 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)] === [2025-03-08 20:24:41,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:24:41,068 INFO L85 PathProgramCache]: Analyzing trace with hash -740604722, now seen corresponding path program 1 times [2025-03-08 20:24:41,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:24:41,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927055474] [2025-03-08 20:24:41,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:24:41,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:24:41,190 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 448 statements into 1 equivalence classes. [2025-03-08 20:24:41,221 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 448 of 448 statements. [2025-03-08 20:24:41,222 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:24:41,222 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:24:41,371 INFO L134 CoverageAnalysis]: Checked inductivity of 5373 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5367 trivial. 0 not checked. [2025-03-08 20:24:41,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:24:41,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927055474] [2025-03-08 20:24:41,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927055474] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:24:41,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:24:41,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:24:41,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493626208] [2025-03-08 20:24:41,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:24:41,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:24:41,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:24:41,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:24:41,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:24:41,374 INFO L87 Difference]: Start difference. First operand 115489 states and 161616 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2025-03-08 20:24:42,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:24:48,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:24:48,050 INFO L93 Difference]: Finished difference Result 287773 states and 402973 transitions. [2025-03-08 20:24:48,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:24:48,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 448 [2025-03-08 20:24:48,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:24:49,459 INFO L225 Difference]: With dead ends: 287773 [2025-03-08 20:24:49,460 INFO L226 Difference]: Without dead ends: 172410 [2025-03-08 20:24:49,838 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 [2025-03-08 20:24:49,839 INFO L435 NwaCegarLoop]: 6518 mSDtfsCounter, 3251 mSDsluCounter, 3355 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3251 SdHoareTripleChecker+Valid, 9873 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-03-08 20:24:49,839 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3251 Valid, 9873 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-03-08 20:24:49,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172410 states. [2025-03-08 20:24:55,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172410 to 172381. [2025-03-08 20:24:55,764 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) [2025-03-08 20:24:56,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172381 states to 172381 states and 241226 transitions. [2025-03-08 20:24:57,061 INFO L78 Accepts]: Start accepts. Automaton has 172381 states and 241226 transitions. Word has length 448 [2025-03-08 20:24:57,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:24:57,064 INFO L471 AbstractCegarLoop]: Abstraction has 172381 states and 241226 transitions. [2025-03-08 20:24:57,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2025-03-08 20:24:57,064 INFO L276 IsEmpty]: Start isEmpty. Operand 172381 states and 241226 transitions. [2025-03-08 20:24:57,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2025-03-08 20:24:57,067 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:24:57,068 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:24:57,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 20:24:57,068 INFO L396 AbstractCegarLoop]: === Iteration 9 === 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)] === [2025-03-08 20:24:57,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:24:57,068 INFO L85 PathProgramCache]: Analyzing trace with hash 454710423, now seen corresponding path program 1 times [2025-03-08 20:24:57,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:24:57,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374664113] [2025-03-08 20:24:57,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:24:57,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:24:57,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 448 statements into 1 equivalence classes. [2025-03-08 20:24:57,206 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 448 of 448 statements. [2025-03-08 20:24:57,206 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:24:57,206 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:24:57,905 INFO L134 CoverageAnalysis]: Checked inductivity of 5380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5380 trivial. 0 not checked. [2025-03-08 20:24:57,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:24:57,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374664113] [2025-03-08 20:24:57,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374664113] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:24:57,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:24:57,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 20:24:57,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846349893] [2025-03-08 20:24:57,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:24:57,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 20:24:57,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:24:57,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 20:24:57,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 20:24:57,907 INFO L87 Difference]: Start difference. First operand 172381 states and 241226 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41)