./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 8fc3dc66 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-?-8fc3dc6-m [2025-03-17 09:31:25,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 09:31:25,361 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 09:31:25,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 09:31:25,368 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 09:31:25,387 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 09:31:25,388 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 09:31:25,388 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 09:31:25,388 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 09:31:25,388 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 09:31:25,389 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 09:31:25,389 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 09:31:25,389 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 09:31:25,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 09:31:25,389 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 09:31:25,389 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 09:31:25,389 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 09:31:25,389 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 09:31:25,390 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 09:31:25,390 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 09:31:25,390 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 09:31:25,390 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 09:31:25,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 09:31:25,390 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 09:31:25,390 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 09:31:25,390 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 09:31:25,390 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 09:31:25,390 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 09:31:25,390 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 09:31:25,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 09:31:25,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 09:31:25,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 09:31:25,391 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 09:31:25,391 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 09:31:25,391 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 09:31:25,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 09:31:25,391 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 09:31:25,391 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 09:31:25,391 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 09:31:25,391 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 09:31:25,391 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 [2025-03-17 09:31:25,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 09:31:25,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 09:31:25,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 09:31:25,642 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 09:31:25,642 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 09:31:25,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2025-03-17 09:31:26,849 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54a98fd93/fdfc5fb5b0164eb29a623e9a2a34f882/FLAG3171e8872 [2025-03-17 09:31:27,443 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 09:31:27,444 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2025-03-17 09:31:27,504 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54a98fd93/fdfc5fb5b0164eb29a623e9a2a34f882/FLAG3171e8872 [2025-03-17 09:31:27,521 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54a98fd93/fdfc5fb5b0164eb29a623e9a2a34f882 [2025-03-17 09:31:27,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 09:31:27,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 09:31:27,525 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 09:31:27,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 09:31:27,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 09:31:27,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 09:31:27" (1/1) ... [2025-03-17 09:31:27,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39fa451b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:31:27, skipping insertion in model container [2025-03-17 09:31:27,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 09:31:27" (1/1) ... [2025-03-17 09:31:27,635 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 09:31:31,727 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] [2025-03-17 09:31:31,730 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] [2025-03-17 09:31:31,730 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] [2025-03-17 09:31:31,730 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] [2025-03-17 09:31:31,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 09:31:31,761 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 09:31:31,856 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] [2025-03-17 09:31:31,857 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] [2025-03-17 09:31:31,857 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7224] [2025-03-17 09:31:31,859 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] [2025-03-17 09:31:31,860 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] [2025-03-17 09:31:31,861 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] [2025-03-17 09:31:31,861 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] [2025-03-17 09:31:31,862 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] [2025-03-17 09:31:31,862 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] [2025-03-17 09:31:31,862 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] [2025-03-17 09:31:31,862 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] [2025-03-17 09:31:31,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [7466] [2025-03-17 09:31:31,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7469] [2025-03-17 09:31:31,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7472] [2025-03-17 09:31:31,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7475] [2025-03-17 09:31:31,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7512] [2025-03-17 09:31:31,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7515] [2025-03-17 09:31:31,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [7517] [2025-03-17 09:31:31,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7522] [2025-03-17 09:31:31,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7525] [2025-03-17 09:31:31,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7527] [2025-03-17 09:31:31,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7532] [2025-03-17 09:31:31,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7535] [2025-03-17 09:31:31,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7537] [2025-03-17 09:31:31,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7542] [2025-03-17 09:31:31,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7545] [2025-03-17 09:31:31,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [7547] [2025-03-17 09:31:31,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7585] [2025-03-17 09:31:31,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7588] [2025-03-17 09:31:31,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [7590] [2025-03-17 09:31:31,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7595] [2025-03-17 09:31:31,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7598] [2025-03-17 09:31:31,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7600] [2025-03-17 09:31:31,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7605] [2025-03-17 09:31:31,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7608] [2025-03-17 09:31:31,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7610] [2025-03-17 09:31:31,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7615] [2025-03-17 09:31:31,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7618] [2025-03-17 09:31:31,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [7620] [2025-03-17 09:31:31,867 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7636] [2025-03-17 09:31:31,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7762] [2025-03-17 09:31:31,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7771] [2025-03-17 09:31:31,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8045] [2025-03-17 09:31:31,884 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] [2025-03-17 09:31:32,009 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] [2025-03-17 09:31:32,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12800] [2025-03-17 09:31:32,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13954] [2025-03-17 09:31:32,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13956] [2025-03-17 09:31:32,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13993] [2025-03-17 09:31:32,057 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] [2025-03-17 09:31:32,058 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] [2025-03-17 09:31:32,058 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] [2025-03-17 09:31:32,058 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] [2025-03-17 09:31:32,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 09:31:32,178 INFO L204 MainTranslator]: Completed translation [2025-03-17 09:31:32,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:31:32 WrapperNode [2025-03-17 09:31:32,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 09:31:32,179 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 09:31:32,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 09:31:32,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 09:31:32,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:31:32" (1/1) ... [2025-03-17 09:31:32,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:31:32" (1/1) ... [2025-03-17 09:31:32,398 INFO L138 Inliner]: procedures = 522, calls = 2083, calls flagged for inlining = 219, calls inlined = 178, statements flattened = 5857 [2025-03-17 09:31:32,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 09:31:32,400 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 09:31:32,400 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 09:31:32,400 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 09:31:32,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:31:32" (1/1) ... [2025-03-17 09:31:32,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:31:32" (1/1) ... [2025-03-17 09:31:32,432 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:31:32" (1/1) ... [2025-03-17 09:31:33,762 INFO L175 MemorySlicer]: Split 613 memory accesses to 14 slices as follows [9, 4, 1, 2, 0, 4, 543, 4, 2, 4, 28, 3, 3, 6]. 89 percent of accesses are in the largest equivalence class. The 48 initializations are split as follows [9, 0, 1, 2, 0, 4, 22, 4, 0, 0, 0, 3, 3, 0]. The 130 writes are split as follows [0, 2, 0, 0, 0, 0, 95, 0, 1, 4, 28, 0, 0, 0]. [2025-03-17 09:31:33,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:31:32" (1/1) ... [2025-03-17 09:31:33,763 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:31:32" (1/1) ... [2025-03-17 09:31:33,865 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:31:32" (1/1) ... [2025-03-17 09:31:33,876 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:31:32" (1/1) ... [2025-03-17 09:31:33,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:31:32" (1/1) ... [2025-03-17 09:31:33,931 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:31:32" (1/1) ... [2025-03-17 09:31:33,978 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 09:31:33,980 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 09:31:33,981 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 09:31:33,981 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 09:31:33,982 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:31:32" (1/1) ... [2025-03-17 09:31:33,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 09:31:33,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 09:31:34,011 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) [2025-03-17 09:31:34,016 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 [2025-03-17 09:31:34,035 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2025-03-17 09:31:34,036 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2025-03-17 09:31:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2025-03-17 09:31:34,036 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2025-03-17 09:31:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2025-03-17 09:31:34,036 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2025-03-17 09:31:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2025-03-17 09:31:34,036 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2025-03-17 09:31:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-03-17 09:31:34,036 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-03-17 09:31:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2025-03-17 09:31:34,036 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2025-03-17 09:31:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-17 09:31:34,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-17 09:31:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2025-03-17 09:31:34,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2025-03-17 09:31:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-03-17 09:31:34,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-03-17 09:31:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2025-03-17 09:31:34,038 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2025-03-17 09:31:34,038 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2025-03-17 09:31:34,038 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2025-03-17 09:31:34,038 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2025-03-17 09:31:34,038 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2025-03-17 09:31:34,038 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2025-03-17 09:31:34,038 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2025-03-17 09:31:34,038 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2025-03-17 09:31:34,038 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2025-03-17 09:31:34,038 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2025-03-17 09:31:34,038 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2025-03-17 09:31:34,038 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2025-03-17 09:31:34,038 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2025-03-17 09:31:34,038 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2025-03-17 09:31:34,038 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2025-03-17 09:31:34,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-03-17 09:31:34,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-03-17 09:31:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2025-03-17 09:31:34,040 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2025-03-17 09:31:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-03-17 09:31:34,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-03-17 09:31:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2025-03-17 09:31:34,040 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2025-03-17 09:31:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 09:31:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2025-03-17 09:31:34,040 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2025-03-17 09:31:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2025-03-17 09:31:34,040 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2025-03-17 09:31:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2025-03-17 09:31:34,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2025-03-17 09:31:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2025-03-17 09:31:34,040 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2025-03-17 09:31:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-17 09:31:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-17 09:31:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-17 09:31:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2025-03-17 09:31:34,041 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2025-03-17 09:31:34,041 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-03-17 09:31:34,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2025-03-17 09:31:34,041 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2025-03-17 09:31:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2025-03-17 09:31:34,042 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2025-03-17 09:31:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2025-03-17 09:31:34,042 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2025-03-17 09:31:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 09:31:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 09:31:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 09:31:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 09:31:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 09:31:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 09:31:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 09:31:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 09:31:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-17 09:31:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-17 09:31:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-17 09:31:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-17 09:31:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-17 09:31:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-17 09:31:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2025-03-17 09:31:34,042 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2025-03-17 09:31:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2025-03-17 09:31:34,042 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2025-03-17 09:31:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-17 09:31:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-17 09:31:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-17 09:31:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-17 09:31:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-17 09:31:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-17 09:31:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-17 09:31:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-17 09:31:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-03-17 09:31:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2025-03-17 09:31:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2025-03-17 09:31:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2025-03-17 09:31:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2025-03-17 09:31:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2025-03-17 09:31:34,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-17 09:31:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-17 09:31:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-17 09:31:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-17 09:31:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-17 09:31:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-17 09:31:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-17 09:31:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-17 09:31:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-03-17 09:31:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2025-03-17 09:31:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2025-03-17 09:31:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2025-03-17 09:31:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2025-03-17 09:31:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2025-03-17 09:31:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2025-03-17 09:31:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2025-03-17 09:31:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2025-03-17 09:31:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2025-03-17 09:31:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2025-03-17 09:31:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2025-03-17 09:31:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-03-17 09:31:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-03-17 09:31:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2025-03-17 09:31:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2025-03-17 09:31:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 09:31:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2025-03-17 09:31:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2025-03-17 09:31:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2025-03-17 09:31:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2025-03-17 09:31:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2025-03-17 09:31:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2025-03-17 09:31:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2025-03-17 09:31:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2025-03-17 09:31:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2025-03-17 09:31:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2025-03-17 09:31:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 09:31:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2025-03-17 09:31:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2025-03-17 09:31:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2025-03-17 09:31:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2025-03-17 09:31:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-03-17 09:31:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-03-17 09:31:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 09:31:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 09:31:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 09:31:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 09:31:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 09:31:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 09:31:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 09:31:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 09:31:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-17 09:31:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-17 09:31:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-17 09:31:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-17 09:31:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-17 09:31:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-17 09:31:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2025-03-17 09:31:34,047 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2025-03-17 09:31:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2025-03-17 09:31:34,047 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2025-03-17 09:31:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-17 09:31:34,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-17 09:31:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2025-03-17 09:31:34,047 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2025-03-17 09:31:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80___0 [2025-03-17 09:31:34,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80___0 [2025-03-17 09:31:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2025-03-17 09:31:34,047 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2025-03-17 09:31:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-03-17 09:31:34,047 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-03-17 09:31:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2025-03-17 09:31:34,047 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2025-03-17 09:31:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2025-03-17 09:31:34,049 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2025-03-17 09:31:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2025-03-17 09:31:34,050 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2025-03-17 09:31:34,050 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2025-03-17 09:31:34,050 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2025-03-17 09:31:34,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 09:31:34,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 09:31:34,050 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-03-17 09:31:34,050 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-03-17 09:31:34,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-17 09:31:34,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-17 09:31:34,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-17 09:31:34,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-17 09:31:34,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-17 09:31:34,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-17 09:31:34,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-17 09:31:34,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-17 09:31:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-17 09:31:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-17 09:31:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-03-17 09:31:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-03-17 09:31:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-03-17 09:31:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-03-17 09:31:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 09:31:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 09:31:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 09:31:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 09:31:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 09:31:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 09:31:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 09:31:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 09:31:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-17 09:31:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-17 09:31:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-17 09:31:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-17 09:31:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-17 09:31:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-17 09:31:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-17 09:31:34,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-17 09:31:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2025-03-17 09:31:34,051 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2025-03-17 09:31:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-03-17 09:31:34,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-03-17 09:31:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2025-03-17 09:31:34,051 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2025-03-17 09:31:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2025-03-17 09:31:34,051 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2025-03-17 09:31:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2025-03-17 09:31:34,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2025-03-17 09:31:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2025-03-17 09:31:34,052 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2025-03-17 09:31:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2025-03-17 09:31:34,052 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2025-03-17 09:31:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2025-03-17 09:31:34,052 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2025-03-17 09:31:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2025-03-17 09:31:34,052 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2025-03-17 09:31:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2025-03-17 09:31:34,052 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2025-03-17 09:31:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2025-03-17 09:31:34,052 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2025-03-17 09:31:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2025-03-17 09:31:34,052 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2025-03-17 09:31:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2025-03-17 09:31:34,052 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2025-03-17 09:31:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2025-03-17 09:31:34,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2025-03-17 09:31:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2025-03-17 09:31:34,052 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2025-03-17 09:31:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2025-03-17 09:31:34,052 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2025-03-17 09:31:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2025-03-17 09:31:34,052 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2025-03-17 09:31:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2025-03-17 09:31:34,052 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2025-03-17 09:31:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2025-03-17 09:31:34,052 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2025-03-17 09:31:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2025-03-17 09:31:34,052 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2025-03-17 09:31:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2025-03-17 09:31:34,052 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2025-03-17 09:31:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2025-03-17 09:31:34,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2025-03-17 09:31:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 09:31:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2025-03-17 09:31:34,052 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2025-03-17 09:31:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2025-03-17 09:31:34,052 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2025-03-17 09:31:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2025-03-17 09:31:34,055 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2025-03-17 09:31:34,056 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2025-03-17 09:31:34,056 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2025-03-17 09:31:34,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2025-03-17 09:31:34,056 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-17 09:31:34,056 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2025-03-17 09:31:34,056 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2025-03-17 09:31:34,056 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2025-03-17 09:31:34,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2025-03-17 09:31:34,056 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2025-03-17 09:31:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-03-17 09:31:34,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-03-17 09:31:34,057 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2025-03-17 09:31:34,057 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2025-03-17 09:31:34,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-03-17 09:31:34,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-03-17 09:31:34,057 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2025-03-17 09:31:34,057 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2025-03-17 09:31:34,057 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2025-03-17 09:31:34,057 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2025-03-17 09:31:34,057 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2025-03-17 09:31:34,057 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2025-03-17 09:31:34,057 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2025-03-17 09:31:34,057 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2025-03-17 09:31:34,057 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2025-03-17 09:31:34,057 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2025-03-17 09:31:34,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2025-03-17 09:31:34,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2025-03-17 09:31:34,057 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2025-03-17 09:31:34,057 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2025-03-17 09:31:34,057 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2025-03-17 09:31:34,057 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2025-03-17 09:31:34,057 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-17 09:31:34,057 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-17 09:31:34,059 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2025-03-17 09:31:34,059 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2025-03-17 09:31:34,060 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2025-03-17 09:31:34,060 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-17 09:31:34,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2025-03-17 09:31:34,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2025-03-17 09:31:34,060 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2025-03-17 09:31:34,060 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2025-03-17 09:31:34,060 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2025-03-17 09:31:34,060 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-03-17 09:31:34,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2025-03-17 09:31:34,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2025-03-17 09:31:34,060 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2025-03-17 09:31:34,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2025-03-17 09:31:34,060 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2025-03-17 09:31:34,060 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2025-03-17 09:31:34,060 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 09:31:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 09:31:34,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 09:31:34,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 09:31:34,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-17 09:31:34,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-17 09:31:34,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-17 09:31:34,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-17 09:31:34,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-17 09:31:34,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-17 09:31:34,061 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2025-03-17 09:31:34,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2025-03-17 09:31:34,061 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2025-03-17 09:31:34,061 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2025-03-17 09:31:34,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-03-17 09:31:34,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-03-17 09:31:34,061 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2025-03-17 09:31:34,061 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2025-03-17 09:31:34,839 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 09:31:34,842 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 09:31:35,267 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L17109: havoc out_of_line_wait_on_bit_#t~nondet1477#1; [2025-03-17 09:31:35,267 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L17018: havoc nfs4_init_ds_session_#t~nondet1464#1; [2025-03-17 09:31:35,268 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L17048: havoc nfs4_set_ds_client_#t~ret1469#1.base, nfs4_set_ds_client_#t~ret1469#1.offset; [2025-03-17 09:31:35,291 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L17148: havoc pnfs_write_done_resend_to_mds_#t~nondet1484#1; [2025-03-17 09:31:35,292 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-17 09:31:35,324 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8108: havoc #t~mem194.base, #t~mem194.offset; [2025-03-17 09:31:35,341 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L17001: havoc #t~nondet1460; [2025-03-17 09:31:35,425 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L16952: havoc __ldv_atomic_dec_and_lock_#t~nondet1455#1; [2025-03-17 09:31:35,425 INFO L1322 $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; [2025-03-17 09:31:35,486 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8055: havoc pnfs_enabled_sb_#t~mem185#1.base, pnfs_enabled_sb_#t~mem185#1.offset; [2025-03-17 09:31:35,486 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L16965: havoc _pnfs_return_layout_#t~nondet1456#1; [2025-03-17 09:31:35,626 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7941: havoc NFS_CLIENT_#t~mem93#1.base, NFS_CLIENT_#t~mem93#1.offset; [2025-03-17 09:31:35,626 INFO L1322 $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; [2025-03-17 09:31:35,627 INFO L1322 $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; [2025-03-17 09:31:35,683 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L17131: havoc pnfs_read_done_resend_to_mds_#t~nondet1481#1; [2025-03-17 09:31:35,688 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7363: havoc #t~mem34; [2025-03-17 09:31:35,925 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7921: havoc NFS_SB_#t~mem89#1.base, NFS_SB_#t~mem89#1.offset; [2025-03-17 09:31:35,942 INFO L1322 $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; [2025-03-17 09:31:36,116 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7828: havoc #t~ret77.base, #t~ret77.offset; [2025-03-17 09:31:36,167 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L13937: havoc #t~mem1298.base, #t~mem1298.offset;havoc #t~mem1299.base, #t~mem1299.offset; [2025-03-17 09:31:36,170 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7951: havoc #t~mem95; [2025-03-17 09:31:36,174 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L13910: havoc #t~mem1290.base, #t~mem1290.offset;havoc #t~mem1291.base, #t~mem1291.offset;havoc #t~mem1292; [2025-03-17 09:31:36,178 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L16974: havoc alloc_pages_current_#t~ret1457#1.base, alloc_pages_current_#t~ret1457#1.offset; [2025-03-17 09:31:36,203 INFO L1322 $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; [2025-03-17 09:31:36,203 INFO L1322 $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; [2025-03-17 09:31:36,227 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L17035: havoc nfs4_put_deviceid_node_#t~nondet1467#1; [2025-03-17 09:31:36,267 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L17152: havoc #t~nondet1485; [2025-03-17 09:31:36,300 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L12449: havoc #t~bitwise966; [2025-03-17 09:31:36,332 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L17005: havoc #t~nondet1461; [2025-03-17 09:31:36,350 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7193: havoc #t~mem6.base, #t~mem6.offset; [2025-03-17 09:31:36,371 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L17120: havoc pnfs_generic_pg_test_#t~nondet1479#1; [2025-03-17 09:31:36,371 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L17066: havoc nfs_generic_pg_test_#t~nondet1473#1; [2025-03-17 09:31:36,419 INFO L1322 $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; [2025-03-17 09:31:36,421 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L17059: havoc #t~ret1472.base, #t~ret1472.offset; [2025-03-17 09:31:36,454 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L16941: havoc __cond_resched_lock_#t~nondet1453#1; [2025-03-17 09:31:36,498 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L17084: havoc nfs_initiate_write_#t~nondet1476#1; [2025-03-17 09:31:36,501 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L17011: havoc #t~ret1463.base, #t~ret1463.offset; [2025-03-17 09:31:36,507 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7232: havoc #t~mem11;havoc #t~bitwise12; [2025-03-17 09:31:36,581 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L17080: havoc nfs_initiate_read_#t~nondet1475#1; [2025-03-17 09:31:36,591 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L17076: havoc #t~nondet1474; [2025-03-17 09:31:36,621 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7226: #res := 1; [2025-03-17 09:31:36,639 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L17198: havoc #t~ret1490.base, #t~ret1490.offset; [2025-03-17 09:31:36,645 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7987: havoc #t~mem100;havoc #t~mem101; [2025-03-17 09:31:36,683 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10154: havoc filelayout_choose_commit_list_#t~mem764#1.base, filelayout_choose_commit_list_#t~mem764#1.offset; [2025-03-17 09:31:36,693 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L17144: havoc #t~ret1483.base, #t~ret1483.offset; [2025-03-17 09:31:37,499 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L16948: havoc __ipv6_addr_type_#t~nondet1454#1; [2025-03-17 09:31:37,499 INFO L1322 $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; [2025-03-17 09:31:37,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L17021: havoc nfs4_insert_deviceid_node_#t~ret1465#1.base, nfs4_insert_deviceid_node_#t~ret1465#1.offset; [2025-03-17 09:31:37,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L17031: havoc nfs4_proc_getdeviceinfo_#t~nondet1466#1; [2025-03-17 09:31:37,500 INFO L1322 $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; [2025-03-17 09:31:37,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L17173: havoc rpc_pton_#t~nondet1488#1; [2025-03-17 09:31:37,500 INFO L1322 $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; [2025-03-17 09:31:37,500 INFO L1322 $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; [2025-03-17 09:31:37,500 INFO L1322 $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; [2025-03-17 09:31:37,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L17008: havoc nfs4_find_get_deviceid_#t~ret1462#1.base, nfs4_find_get_deviceid_#t~ret1462#1.offset; [2025-03-17 09:31:37,511 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L17056: havoc nfs4_test_deviceid_unavailable_#t~nondet1471#1; [2025-03-17 09:31:37,555 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L17052: havoc #t~nondet1470; [2025-03-17 09:31:41,457 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L17116: havoc pnfs_generic_pg_readpages_#t~nondet1478#1; [2025-03-17 09:31:41,458 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L17124: havoc pnfs_generic_pg_writepages_#t~nondet1480#1; [2025-03-17 09:31:41,458 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L17135: havoc pnfs_register_layoutdriver_#t~nondet1482#1; [2025-03-17 09:31:41,458 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-03-17 09:31:41,458 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1: #t~ret1492#1 := main_#res#1;havoc main_#t~ret939#1, main_~tmp~69#1;assume { :end_inline_main } true; [2025-03-17 09:31:42,720 INFO L? ?]: Removed 2613 outVars from TransFormulas that were not future-live. [2025-03-17 09:31:42,720 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 09:31:42,799 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 09:31:42,799 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-17 09:31:42,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 09:31:42 BoogieIcfgContainer [2025-03-17 09:31:42,800 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 09:31:42,802 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 09:31:42,802 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 09:31:42,806 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 09:31:42,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 09:31:27" (1/3) ... [2025-03-17 09:31:42,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d14352 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 09:31:42, skipping insertion in model container [2025-03-17 09:31:42,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:31:32" (2/3) ... [2025-03-17 09:31:42,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d14352 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 09:31:42, skipping insertion in model container [2025-03-17 09:31:42,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 09:31:42" (3/3) ... [2025-03-17 09:31:42,809 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2025-03-17 09:31:42,821 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 09:31:42,826 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, 2422 locations, 1 initial locations, 29 loop locations, and 4 error locations. [2025-03-17 09:31:42,911 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 09:31:42,919 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;@297ebda4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 09:31:42,919 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-17 09:31:42,927 INFO L276 IsEmpty]: Start isEmpty. Operand has 2355 states, 1575 states have (on average 1.33015873015873) internal successors, (2095), 1626 states have internal predecessors, (2095), 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) [2025-03-17 09:31:42,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2025-03-17 09:31:42,945 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 09:31:42,946 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] [2025-03-17 09:31:42,946 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)] === [2025-03-17 09:31:42,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 09:31:42,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1890949735, now seen corresponding path program 1 times [2025-03-17 09:31:42,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 09:31:42,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229906196] [2025-03-17 09:31:42,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 09:31:42,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 09:31:43,218 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 398 statements into 1 equivalence classes. [2025-03-17 09:31:43,447 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 398 of 398 statements. [2025-03-17 09:31:43,447 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 09:31:43,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 09:31:43,973 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-03-17 09:31:43,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 09:31:43,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229906196] [2025-03-17 09:31:43,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229906196] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 09:31:43,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 09:31:43,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 09:31:43,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439538038] [2025-03-17 09:31:43,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 09:31:43,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 09:31:43,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 09:31:43,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 09:31:43,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 09:31:44,003 INFO L87 Difference]: Start difference. First operand has 2355 states, 1575 states have (on average 1.33015873015873) internal successors, (2095), 1626 states have internal predecessors, (2095), 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 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2025-03-17 09:31:45,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 09:31:45,384 INFO L93 Difference]: Finished difference Result 6842 states and 9999 transitions. [2025-03-17 09:31:45,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 09:31:45,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 398 [2025-03-17 09:31:45,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 09:31:45,494 INFO L225 Difference]: With dead ends: 6842 [2025-03-17 09:31:45,495 INFO L226 Difference]: Without dead ends: 4544 [2025-03-17 09:31:45,512 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 [2025-03-17 09:31:45,514 INFO L435 NwaCegarLoop]: 3334 mSDtfsCounter, 3175 mSDsluCounter, 3275 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3175 SdHoareTripleChecker+Valid, 6609 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-17 09:31:45,515 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3175 Valid, 6609 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-17 09:31:45,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4544 states. [2025-03-17 09:31:45,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4544 to 4538. [2025-03-17 09:31:45,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4538 states, 3067 states have (on average 1.32605151613955) internal successors, (4067), 3167 states have internal predecessors, (4067), 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) [2025-03-17 09:31:45,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4538 states to 4538 states and 6507 transitions. [2025-03-17 09:31:45,869 INFO L78 Accepts]: Start accepts. Automaton has 4538 states and 6507 transitions. Word has length 398 [2025-03-17 09:31:45,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 09:31:45,872 INFO L471 AbstractCegarLoop]: Abstraction has 4538 states and 6507 transitions. [2025-03-17 09:31:45,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2025-03-17 09:31:45,872 INFO L276 IsEmpty]: Start isEmpty. Operand 4538 states and 6507 transitions. [2025-03-17 09:31:45,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2025-03-17 09:31:45,885 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 09:31:45,885 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] [2025-03-17 09:31:45,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 09:31:45,886 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)] === [2025-03-17 09:31:45,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 09:31:45,887 INFO L85 PathProgramCache]: Analyzing trace with hash -287449849, now seen corresponding path program 1 times [2025-03-17 09:31:45,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 09:31:45,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825821321] [2025-03-17 09:31:45,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 09:31:45,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 09:31:46,076 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 402 statements into 1 equivalence classes. [2025-03-17 09:31:46,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 402 of 402 statements. [2025-03-17 09:31:46,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 09:31:46,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 09:31:46,443 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-03-17 09:31:46,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 09:31:46,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825821321] [2025-03-17 09:31:46,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825821321] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 09:31:46,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 09:31:46,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 09:31:46,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996396265] [2025-03-17 09:31:46,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 09:31:46,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 09:31:46,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 09:31:46,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 09:31:46,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 09:31:46,449 INFO L87 Difference]: Start difference. First operand 4538 states and 6507 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (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) [2025-03-17 09:31:49,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 09:31:50,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 09:31:50,087 INFO L93 Difference]: Finished difference Result 11209 states and 16051 transitions. [2025-03-17 09:31:50,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 09:31:50,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (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 402 [2025-03-17 09:31:50,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 09:31:50,128 INFO L225 Difference]: With dead ends: 11209 [2025-03-17 09:31:50,128 INFO L226 Difference]: Without dead ends: 6740 [2025-03-17 09:31:50,147 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 [2025-03-17 09:31:50,148 INFO L435 NwaCegarLoop]: 3316 mSDtfsCounter, 3177 mSDsluCounter, 3268 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3177 SdHoareTripleChecker+Valid, 6584 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2025-03-17 09:31:50,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3177 Valid, 6584 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2025-03-17 09:31:50,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6740 states. [2025-03-17 09:31:50,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6740 to 6706. [2025-03-17 09:31:50,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6706 states, 4550 states have (on average 1.325934065934066) internal successors, (6033), 4702 states have internal predecessors, (6033), 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) [2025-03-17 09:31:50,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6706 states to 6706 states and 9591 transitions. [2025-03-17 09:31:50,420 INFO L78 Accepts]: Start accepts. Automaton has 6706 states and 9591 transitions. Word has length 402 [2025-03-17 09:31:50,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 09:31:50,421 INFO L471 AbstractCegarLoop]: Abstraction has 6706 states and 9591 transitions. [2025-03-17 09:31:50,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (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) [2025-03-17 09:31:50,422 INFO L276 IsEmpty]: Start isEmpty. Operand 6706 states and 9591 transitions. [2025-03-17 09:31:50,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2025-03-17 09:31:50,426 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 09:31:50,426 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 09:31:50,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 09:31:50,426 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)] === [2025-03-17 09:31:50,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 09:31:50,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1370899348, now seen corresponding path program 1 times [2025-03-17 09:31:50,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 09:31:50,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606180380] [2025-03-17 09:31:50,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 09:31:50,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 09:31:50,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 403 statements into 1 equivalence classes. [2025-03-17 09:31:50,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 403 of 403 statements. [2025-03-17 09:31:50,639 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 09:31:50,639 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 09:31:50,837 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-03-17 09:31:50,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 09:31:50,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606180380] [2025-03-17 09:31:50,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606180380] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 09:31:50,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 09:31:50,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 09:31:50,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922663348] [2025-03-17 09:31:50,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 09:31:50,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 09:31:50,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 09:31:50,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 09:31:50,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 09:31:50,840 INFO L87 Difference]: Start difference. First operand 6706 states and 9591 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2025-03-17 09:31:53,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 09:31:53,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 09:31:53,725 INFO L93 Difference]: Finished difference Result 17605 states and 25152 transitions. [2025-03-17 09:31:53,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 09:31:53,726 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 403 [2025-03-17 09:31:53,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 09:31:53,798 INFO L225 Difference]: With dead ends: 17605 [2025-03-17 09:31:53,798 INFO L226 Difference]: Without dead ends: 10968 [2025-03-17 09:31:53,828 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 [2025-03-17 09:31:53,830 INFO L435 NwaCegarLoop]: 3316 mSDtfsCounter, 3122 mSDsluCounter, 3232 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3122 SdHoareTripleChecker+Valid, 6548 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2025-03-17 09:31:53,831 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3122 Valid, 6548 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2025-03-17 09:31:53,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10968 states. [2025-03-17 09:31:54,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10968 to 10932. [2025-03-17 09:31:54,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10932 states, 7418 states have (on average 1.3252898355351848) internal successors, (9831), 7676 states have internal predecessors, (9831), 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) [2025-03-17 09:31:54,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10932 states to 10932 states and 15601 transitions. [2025-03-17 09:31:54,302 INFO L78 Accepts]: Start accepts. Automaton has 10932 states and 15601 transitions. Word has length 403 [2025-03-17 09:31:54,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 09:31:54,304 INFO L471 AbstractCegarLoop]: Abstraction has 10932 states and 15601 transitions. [2025-03-17 09:31:54,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2025-03-17 09:31:54,305 INFO L276 IsEmpty]: Start isEmpty. Operand 10932 states and 15601 transitions. [2025-03-17 09:31:54,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2025-03-17 09:31:54,312 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 09:31:54,312 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] [2025-03-17 09:31:54,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 09:31:54,312 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)] === [2025-03-17 09:31:54,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 09:31:54,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1020398438, now seen corresponding path program 1 times [2025-03-17 09:31:54,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 09:31:54,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261183297] [2025-03-17 09:31:54,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 09:31:54,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 09:31:54,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 404 statements into 1 equivalence classes. [2025-03-17 09:31:54,475 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 404 of 404 statements. [2025-03-17 09:31:54,475 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 09:31:54,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 09:31:54,696 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-03-17 09:31:54,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 09:31:54,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261183297] [2025-03-17 09:31:54,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261183297] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 09:31:54,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 09:31:54,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 09:31:54,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125275284] [2025-03-17 09:31:54,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 09:31:54,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 09:31:54,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 09:31:54,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 09:31:54,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 09:31:54,698 INFO L87 Difference]: Start difference. First operand 10932 states and 15601 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, (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) [2025-03-17 09:31:56,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 09:31:56,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 09:31:56,800 INFO L93 Difference]: Finished difference Result 26711 states and 37891 transitions. [2025-03-17 09:31:56,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 09:31:56,801 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, (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 404 [2025-03-17 09:31:56,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 09:31:56,962 INFO L225 Difference]: With dead ends: 26711 [2025-03-17 09:31:56,962 INFO L226 Difference]: Without dead ends: 15848 [2025-03-17 09:31:57,003 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 [2025-03-17 09:31:57,004 INFO L435 NwaCegarLoop]: 5118 mSDtfsCounter, 3121 mSDsluCounter, 3232 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3121 SdHoareTripleChecker+Valid, 8350 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-03-17 09:31:57,004 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3121 Valid, 8350 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-03-17 09:31:57,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15848 states. [2025-03-17 09:31:57,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15848 to 15812. [2025-03-17 09:31:57,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15812 states, 10643 states have (on average 1.315042751104012) internal successors, (13996), 11062 states have internal predecessors, (13996), 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) [2025-03-17 09:31:57,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15812 states to 15812 states and 22320 transitions. [2025-03-17 09:31:57,850 INFO L78 Accepts]: Start accepts. Automaton has 15812 states and 22320 transitions. Word has length 404 [2025-03-17 09:31:57,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 09:31:57,852 INFO L471 AbstractCegarLoop]: Abstraction has 15812 states and 22320 transitions. [2025-03-17 09:31:57,852 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, (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) [2025-03-17 09:31:57,852 INFO L276 IsEmpty]: Start isEmpty. Operand 15812 states and 22320 transitions. [2025-03-17 09:31:57,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2025-03-17 09:31:57,857 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 09:31:57,857 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] [2025-03-17 09:31:57,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 09:31:57,857 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)] === [2025-03-17 09:31:57,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 09:31:57,858 INFO L85 PathProgramCache]: Analyzing trace with hash -534502054, now seen corresponding path program 1 times [2025-03-17 09:31:57,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 09:31:57,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113560592] [2025-03-17 09:31:57,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 09:31:57,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 09:31:58,116 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 410 statements into 1 equivalence classes. [2025-03-17 09:31:58,192 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 410 of 410 statements. [2025-03-17 09:31:58,192 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 09:31:58,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 09:31:58,482 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-03-17 09:31:58,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 09:31:58,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113560592] [2025-03-17 09:31:58,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113560592] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 09:31:58,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 09:31:58,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 09:31:58,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213152370] [2025-03-17 09:31:58,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 09:31:58,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 09:31:58,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 09:31:58,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 09:31:58,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 09:31:58,486 INFO L87 Difference]: Start difference. First operand 15812 states and 22320 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2025-03-17 09:32:01,630 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 [] [2025-03-17 09:32:02,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 09:32:02,381 INFO L93 Difference]: Finished difference Result 46117 states and 65097 transitions. [2025-03-17 09:32:02,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 09:32:02,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 410 [2025-03-17 09:32:02,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 09:32:02,522 INFO L225 Difference]: With dead ends: 46117 [2025-03-17 09:32:02,523 INFO L226 Difference]: Without dead ends: 30374 [2025-03-17 09:32:02,573 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 [2025-03-17 09:32:02,575 INFO L435 NwaCegarLoop]: 3381 mSDtfsCounter, 3178 mSDsluCounter, 3268 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3178 SdHoareTripleChecker+Valid, 6649 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2025-03-17 09:32:02,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3178 Valid, 6649 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2025-03-17 09:32:02,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30374 states. [2025-03-17 09:32:03,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30374 to 30334. [2025-03-17 09:32:03,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30334 states, 20491 states have (on average 1.3156507735103216) internal successors, (26959), 21304 states have internal predecessors, (26959), 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) [2025-03-17 09:32:03,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30334 states to 30334 states and 42783 transitions. [2025-03-17 09:32:03,755 INFO L78 Accepts]: Start accepts. Automaton has 30334 states and 42783 transitions. Word has length 410 [2025-03-17 09:32:03,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 09:32:03,755 INFO L471 AbstractCegarLoop]: Abstraction has 30334 states and 42783 transitions. [2025-03-17 09:32:03,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2025-03-17 09:32:03,756 INFO L276 IsEmpty]: Start isEmpty. Operand 30334 states and 42783 transitions. [2025-03-17 09:32:03,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2025-03-17 09:32:03,761 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 09:32:03,761 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] [2025-03-17 09:32:03,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 09:32:03,762 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)] === [2025-03-17 09:32:03,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 09:32:03,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1760602278, now seen corresponding path program 1 times [2025-03-17 09:32:03,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 09:32:03,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790879978] [2025-03-17 09:32:03,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 09:32:03,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 09:32:03,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 417 statements into 1 equivalence classes. [2025-03-17 09:32:03,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 417 of 417 statements. [2025-03-17 09:32:03,917 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 09:32:03,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 09:32:04,123 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-03-17 09:32:04,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 09:32:04,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790879978] [2025-03-17 09:32:04,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790879978] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 09:32:04,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 09:32:04,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 09:32:04,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454155104] [2025-03-17 09:32:04,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 09:32:04,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 09:32:04,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 09:32:04,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 09:32:04,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 09:32:04,125 INFO L87 Difference]: Start difference. First operand 30334 states and 42783 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2025-03-17 09:32:05,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 09:32:07,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 09:32:07,351 INFO L93 Difference]: Finished difference Result 87257 states and 123178 transitions. [2025-03-17 09:32:07,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 09:32:07,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 417 [2025-03-17 09:32:07,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 09:32:07,641 INFO L225 Difference]: With dead ends: 87257 [2025-03-17 09:32:07,641 INFO L226 Difference]: Without dead ends: 56992 [2025-03-17 09:32:07,750 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 [2025-03-17 09:32:07,752 INFO L435 NwaCegarLoop]: 3939 mSDtfsCounter, 3179 mSDsluCounter, 3268 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3179 SdHoareTripleChecker+Valid, 7207 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-03-17 09:32:07,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3179 Valid, 7207 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-03-17 09:32:07,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56992 states. [2025-03-17 09:32:09,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56992 to 56952. [2025-03-17 09:32:09,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56952 states, 38665 states have (on average 1.3168240010345273) internal successors, (50915), 40147 states have internal predecessors, (50915), 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) [2025-03-17 09:32:09,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56952 states to 56952 states and 80361 transitions. [2025-03-17 09:32:09,914 INFO L78 Accepts]: Start accepts. Automaton has 56952 states and 80361 transitions. Word has length 417 [2025-03-17 09:32:09,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 09:32:09,916 INFO L471 AbstractCegarLoop]: Abstraction has 56952 states and 80361 transitions. [2025-03-17 09:32:09,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2025-03-17 09:32:09,916 INFO L276 IsEmpty]: Start isEmpty. Operand 56952 states and 80361 transitions. [2025-03-17 09:32:09,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2025-03-17 09:32:09,920 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 09:32:09,921 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] [2025-03-17 09:32:09,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 09:32:09,921 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)] === [2025-03-17 09:32:09,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 09:32:09,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1946441680, now seen corresponding path program 1 times [2025-03-17 09:32:09,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 09:32:09,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816834328] [2025-03-17 09:32:09,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 09:32:09,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 09:32:10,045 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 439 statements into 1 equivalence classes. [2025-03-17 09:32:10,086 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 439 of 439 statements. [2025-03-17 09:32:10,086 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 09:32:10,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 09:32:10,286 INFO L134 CoverageAnalysis]: Checked inductivity of 5373 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5367 trivial. 0 not checked. [2025-03-17 09:32:10,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 09:32:10,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816834328] [2025-03-17 09:32:10,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816834328] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 09:32:10,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 09:32:10,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 09:32:10,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318050047] [2025-03-17 09:32:10,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 09:32:10,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 09:32:10,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 09:32:10,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 09:32:10,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 09:32:10,291 INFO L87 Difference]: Start difference. First operand 56952 states and 80361 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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) [2025-03-17 09:32:11,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 09:32:15,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 09:32:15,452 INFO L93 Difference]: Finished difference Result 169215 states and 238932 transitions. [2025-03-17 09:32:15,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 09:32:15,453 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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 439 [2025-03-17 09:32:15,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 09:32:16,035 INFO L225 Difference]: With dead ends: 169215 [2025-03-17 09:32:16,036 INFO L226 Difference]: Without dead ends: 112385 [2025-03-17 09:32:16,263 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 [2025-03-17 09:32:16,265 INFO L435 NwaCegarLoop]: 6388 mSDtfsCounter, 3152 mSDsluCounter, 3268 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3152 SdHoareTripleChecker+Valid, 9656 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-03-17 09:32:16,265 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3152 Valid, 9656 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-03-17 09:32:16,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112385 states. [2025-03-17 09:32:20,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112385 to 112379. [2025-03-17 09:32:20,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112379 states, 76474 states have (on average 1.315688992337265) internal successors, (100616), 79235 states have internal predecessors, (100616), 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) [2025-03-17 09:32:21,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112379 states to 112379 states and 158506 transitions. [2025-03-17 09:32:21,187 INFO L78 Accepts]: Start accepts. Automaton has 112379 states and 158506 transitions. Word has length 439 [2025-03-17 09:32:21,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 09:32:21,192 INFO L471 AbstractCegarLoop]: Abstraction has 112379 states and 158506 transitions. [2025-03-17 09:32:21,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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) [2025-03-17 09:32:21,193 INFO L276 IsEmpty]: Start isEmpty. Operand 112379 states and 158506 transitions. [2025-03-17 09:32:21,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2025-03-17 09:32:21,195 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 09:32:21,195 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] [2025-03-17 09:32:21,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 09:32:21,195 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)] === [2025-03-17 09:32:21,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 09:32:21,197 INFO L85 PathProgramCache]: Analyzing trace with hash 313453733, now seen corresponding path program 1 times [2025-03-17 09:32:21,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 09:32:21,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24108451] [2025-03-17 09:32:21,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 09:32:21,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 09:32:21,317 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 438 statements into 1 equivalence classes. [2025-03-17 09:32:21,353 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 438 of 438 statements. [2025-03-17 09:32:21,354 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 09:32:21,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 09:32:21,566 INFO L134 CoverageAnalysis]: Checked inductivity of 5372 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5367 trivial. 0 not checked. [2025-03-17 09:32:21,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 09:32:21,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24108451] [2025-03-17 09:32:21,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24108451] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 09:32:21,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 09:32:21,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 09:32:21,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20221715] [2025-03-17 09:32:21,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 09:32:21,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 09:32:21,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 09:32:21,569 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 09:32:21,569 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 09:32:21,569 INFO L87 Difference]: Start difference. First operand 112379 states and 158506 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2025-03-17 09:32:25,584 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 [] [2025-03-17 09:32:31,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 09:32:31,275 INFO L93 Difference]: Finished difference Result 280124 states and 395324 transitions. [2025-03-17 09:32:31,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 09:32:31,276 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 438 [2025-03-17 09:32:31,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 09:32:32,150 INFO L225 Difference]: With dead ends: 280124 [2025-03-17 09:32:32,150 INFO L226 Difference]: Without dead ends: 167867 [2025-03-17 09:32:32,455 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 [2025-03-17 09:32:32,455 INFO L435 NwaCegarLoop]: 6385 mSDtfsCounter, 3190 mSDsluCounter, 3270 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3190 SdHoareTripleChecker+Valid, 9655 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2025-03-17 09:32:32,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3190 Valid, 9655 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 198 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2025-03-17 09:32:32,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167867 states. [2025-03-17 09:32:37,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167867 to 167838. [2025-03-17 09:32:38,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167838 states, 114315 states have (on average 1.3152167257140357) internal successors, (150349), 118355 states have internal predecessors, (150349), 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) [2025-03-17 09:32:38,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167838 states to 167838 states and 236683 transitions. [2025-03-17 09:32:39,018 INFO L78 Accepts]: Start accepts. Automaton has 167838 states and 236683 transitions. Word has length 438 [2025-03-17 09:32:39,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 09:32:39,019 INFO L471 AbstractCegarLoop]: Abstraction has 167838 states and 236683 transitions. [2025-03-17 09:32:39,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2025-03-17 09:32:39,020 INFO L276 IsEmpty]: Start isEmpty. Operand 167838 states and 236683 transitions. [2025-03-17 09:32:39,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2025-03-17 09:32:39,021 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 09:32:39,022 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] [2025-03-17 09:32:39,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 09:32:39,022 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)] === [2025-03-17 09:32:39,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 09:32:39,023 INFO L85 PathProgramCache]: Analyzing trace with hash -632076360, now seen corresponding path program 1 times [2025-03-17 09:32:39,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 09:32:39,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272485814] [2025-03-17 09:32:39,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 09:32:39,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 09:32:39,137 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 441 statements into 1 equivalence classes. [2025-03-17 09:32:39,162 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 441 of 441 statements. [2025-03-17 09:32:39,163 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 09:32:39,163 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 09:32:39,822 INFO L134 CoverageAnalysis]: Checked inductivity of 5380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5380 trivial. 0 not checked. [2025-03-17 09:32:39,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 09:32:39,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272485814] [2025-03-17 09:32:39,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272485814] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 09:32:39,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 09:32:39,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 09:32:39,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588331780] [2025-03-17 09:32:39,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 09:32:39,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 09:32:39,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 09:32:39,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 09:32:39,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 09:32:39,824 INFO L87 Difference]: Start difference. First operand 167838 states and 236683 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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)