./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-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 5a2d8eeee8172bd53a3a8fe50479074a3e24505e5dfe32511bd32321d3ee1c0c --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 20:09:48,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 20:09:48,353 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 20:09:48,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 20:09:48,361 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 20:09:48,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 20:09:48,381 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 20:09:48,381 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 20:09:48,382 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 20:09:48,382 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 20:09:48,382 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 20:09:48,382 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 20:09:48,383 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 20:09:48,383 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 20:09:48,383 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 20:09:48,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 20:09:48,383 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 20:09:48,383 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 20:09:48,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 20:09:48,384 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 20:09:48,384 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 20:09:48,384 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 20:09:48,384 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 20:09:48,384 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 20:09:48,384 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 20:09:48,384 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 20:09:48,384 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 20:09:48,384 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 20:09:48,384 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 20:09:48,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 20:09:48,385 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 20:09:48,385 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 20:09:48,385 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 20:09:48,385 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 20:09:48,385 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 20:09:48,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 20:09:48,386 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 20:09:48,386 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 20:09:48,386 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 20:09:48,386 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 20:09:48,386 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 -> 5a2d8eeee8172bd53a3a8fe50479074a3e24505e5dfe32511bd32321d3ee1c0c [2025-03-08 20:09:48,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 20:09:48,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 20:09:48,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 20:09:48,622 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 20:09:48,622 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 20:09:48,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2025-03-08 20:09:49,822 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed0158df3/c559d92c2d5d40af95200fb4b130df2c/FLAG0f2aa96ee [2025-03-08 20:09:50,308 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 20:09:50,309 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2025-03-08 20:09:50,367 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed0158df3/c559d92c2d5d40af95200fb4b130df2c/FLAG0f2aa96ee [2025-03-08 20:09:50,872 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed0158df3/c559d92c2d5d40af95200fb4b130df2c [2025-03-08 20:09:50,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 20:09:50,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 20:09:50,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 20:09:50,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 20:09:50,879 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 20:09:50,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 08:09:50" (1/1) ... [2025-03-08 20:09:50,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10c31d62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:09:50, skipping insertion in model container [2025-03-08 20:09:50,881 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 08:09:50" (1/1) ... [2025-03-08 20:09:50,997 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 20:09:53,237 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-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463372,463385] [2025-03-08 20:09:53,240 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-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463517,463530] [2025-03-08 20:09:53,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 20:09:53,270 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 20:09:53,360 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"); [7220] [2025-03-08 20:09:53,362 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)); [7227] [2025-03-08 20:09:53,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7234] [2025-03-08 20:09:53,364 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [7331-7332] [2025-03-08 20:09:53,364 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"); [7337-7339] [2025-03-08 20:09:53,365 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)); [7379] [2025-03-08 20:09:53,366 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)); [7386] [2025-03-08 20:09:53,366 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"); [7414-7415] [2025-03-08 20:09:53,366 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"); [7418-7419] [2025-03-08 20:09:53,366 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"); [7422-7423] [2025-03-08 20:09:53,366 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"); [7426-7427] [2025-03-08 20:09:53,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [7468] [2025-03-08 20:09:53,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7471] [2025-03-08 20:09:53,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7474] [2025-03-08 20:09:53,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7477] [2025-03-08 20:09:53,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7514] [2025-03-08 20:09:53,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7517] [2025-03-08 20:09:53,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [7519] [2025-03-08 20:09:53,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7524] [2025-03-08 20:09:53,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7527] [2025-03-08 20:09:53,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7529] [2025-03-08 20:09:53,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7534] [2025-03-08 20:09:53,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7537] [2025-03-08 20:09:53,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7539] [2025-03-08 20:09:53,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7544] [2025-03-08 20:09:53,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7547] [2025-03-08 20:09:53,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [7549] [2025-03-08 20:09:53,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7587] [2025-03-08 20:09:53,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7590] [2025-03-08 20:09:53,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [7592] [2025-03-08 20:09:53,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7597] [2025-03-08 20:09:53,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7600] [2025-03-08 20:09:53,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7602] [2025-03-08 20:09:53,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7607] [2025-03-08 20:09:53,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7610] [2025-03-08 20:09:53,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7612] [2025-03-08 20:09:53,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7617] [2025-03-08 20:09:53,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7620] [2025-03-08 20:09:53,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [7622] [2025-03-08 20:09:53,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7638] [2025-03-08 20:09:53,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7764] [2025-03-08 20:09:53,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7773] [2025-03-08 20:09:53,377 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7998] [2025-03-08 20:09:53,385 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)); [8308-8309] [2025-03-08 20:09:53,518 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)); [12431-12432] [2025-03-08 20:09:53,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12793] [2025-03-08 20:09:53,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13947] [2025-03-08 20:09:53,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13949] [2025-03-08 20:09:53,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13986] [2025-03-08 20:09:53,585 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-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463372,463385] [2025-03-08 20:09:53,586 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-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463517,463530] [2025-03-08 20:09:53,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 20:09:53,721 INFO L204 MainTranslator]: Completed translation [2025-03-08 20:09:53,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:09:53 WrapperNode [2025-03-08 20:09:53,722 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 20:09:53,723 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 20:09:53,723 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 20:09:53,723 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 20:09:53,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:09:53" (1/1) ... [2025-03-08 20:09:53,803 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:09:53" (1/1) ... [2025-03-08 20:09:53,974 INFO L138 Inliner]: procedures = 518, calls = 2191, calls flagged for inlining = 215, calls inlined = 174, statements flattened = 5891 [2025-03-08 20:09:53,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 20:09:53,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 20:09:53,976 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 20:09:53,976 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 20:09:53,984 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:09:53" (1/1) ... [2025-03-08 20:09:53,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:09:53" (1/1) ... [2025-03-08 20:09:54,001 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:09:53" (1/1) ... [2025-03-08 20:09:55,342 INFO L175 MemorySlicer]: Split 613 memory accesses to 14 slices as follows [543, 9, 4, 1, 2, 0, 4, 2, 4, 6, 4, 28, 3, 3]. 89 percent of accesses are in the largest equivalence class. The 48 initializations are split as follows [22, 9, 0, 1, 0, 0, 0, 2, 4, 0, 4, 0, 3, 3]. The 130 writes are split as follows [95, 0, 2, 0, 1, 0, 4, 0, 0, 0, 0, 28, 0, 0]. [2025-03-08 20:09:55,342 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:09:53" (1/1) ... [2025-03-08 20:09:55,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:09:53" (1/1) ... [2025-03-08 20:09:55,451 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:09:53" (1/1) ... [2025-03-08 20:09:55,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:09:53" (1/1) ... [2025-03-08 20:09:55,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:09:53" (1/1) ... [2025-03-08 20:09:55,507 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:09:53" (1/1) ... [2025-03-08 20:09:55,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 20:09:55,543 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 20:09:55,543 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 20:09:55,543 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 20:09:55,544 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:09:53" (1/1) ... [2025-03-08 20:09:55,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 20:09:55,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 20:09:55,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 20:09:55,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 20:09:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2025-03-08 20:09:55,588 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2025-03-08 20:09:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2025-03-08 20:09:55,588 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2025-03-08 20:09:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2025-03-08 20:09:55,588 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2025-03-08 20:09:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2025-03-08 20:09:55,588 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2025-03-08 20:09:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-03-08 20:09:55,588 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-03-08 20:09:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2025-03-08 20:09:55,588 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2025-03-08 20:09:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-08 20:09:55,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-08 20:09:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2025-03-08 20:09:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2025-03-08 20:09:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2025-03-08 20:09:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2025-03-08 20:09:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2025-03-08 20:09:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2025-03-08 20:09:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2025-03-08 20:09:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2025-03-08 20:09:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2025-03-08 20:09:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2025-03-08 20:09:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2025-03-08 20:09:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2025-03-08 20:09:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2025-03-08 20:09:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2025-03-08 20:09:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2025-03-08 20:09:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2025-03-08 20:09:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2025-03-08 20:09:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2025-03-08 20:09:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-03-08 20:09:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-03-08 20:09:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2025-03-08 20:09:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2025-03-08 20:09:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-03-08 20:09:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-03-08 20:09:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2025-03-08 20:09:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2025-03-08 20:09:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 20:09:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_104 [2025-03-08 20:09:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_104 [2025-03-08 20:09:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2025-03-08 20:09:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2025-03-08 20:09:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_104___0 [2025-03-08 20:09:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_104___0 [2025-03-08 20:09:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2025-03-08 20:09:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2025-03-08 20:09:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2025-03-08 20:09:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2025-03-08 20:09:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2025-03-08 20:09:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2025-03-08 20:09:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-08 20:09:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-08 20:09:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-08 20:09:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-08 20:09:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-08 20:09:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-08 20:09:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-08 20:09:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-08 20:09:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-08 20:09:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-08 20:09:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-03-08 20:09:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-03-08 20:09:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-03-08 20:09:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-03-08 20:09:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2025-03-08 20:09:55,590 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2025-03-08 20:09:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2025-03-08 20:09:55,590 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2025-03-08 20:09:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 20:09:55,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 20:09:55,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 20:09:55,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 20:09:55,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 20:09:55,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 20:09:55,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 20:09:55,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 20:09:55,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 20:09:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 20:09:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 20:09:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 20:09:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-08 20:09:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-08 20:09:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-03-08 20:09:55,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-03-08 20:09:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2025-03-08 20:09:55,592 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2025-03-08 20:09:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2025-03-08 20:09:55,592 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2025-03-08 20:09:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2025-03-08 20:09:55,592 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2025-03-08 20:09:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 20:09:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2025-03-08 20:09:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2025-03-08 20:09:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2025-03-08 20:09:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2025-03-08 20:09:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2025-03-08 20:09:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-08 20:09:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-08 20:09:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-08 20:09:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-08 20:09:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-08 20:09:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-08 20:09:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-08 20:09:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-08 20:09:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-03-08 20:09:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2025-03-08 20:09:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2025-03-08 20:09:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2025-03-08 20:09:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2025-03-08 20:09:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2025-03-08 20:09:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2025-03-08 20:09:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2025-03-08 20:09:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2025-03-08 20:09:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2025-03-08 20:09:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2025-03-08 20:09:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2025-03-08 20:09:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2025-03-08 20:09:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2025-03-08 20:09:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2025-03-08 20:09:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2025-03-08 20:09:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 20:09:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2025-03-08 20:09:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2025-03-08 20:09:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2025-03-08 20:09:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2025-03-08 20:09:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2025-03-08 20:09:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2025-03-08 20:09:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2025-03-08 20:09:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2025-03-08 20:09:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2025-03-08 20:09:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2025-03-08 20:09:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2025-03-08 20:09:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2025-03-08 20:09:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 20:09:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2025-03-08 20:09:55,619 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2025-03-08 20:09:55,619 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2025-03-08 20:09:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-03-08 20:09:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2025-03-08 20:09:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2025-03-08 20:09:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 20:09:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2025-03-08 20:09:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2025-03-08 20:09:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2025-03-08 20:09:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2025-03-08 20:09:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-03-08 20:09:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2025-03-08 20:09:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2025-03-08 20:09:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2025-03-08 20:09:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2025-03-08 20:09:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 20:09:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-03-08 20:09:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-03-08 20:09:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-08 20:09:55,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2025-03-08 20:09:55,621 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2025-03-08 20:09:55,621 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2025-03-08 20:09:55,621 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2025-03-08 20:09:55,621 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2025-03-08 20:09:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2025-03-08 20:09:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2025-03-08 20:09:55,622 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2025-03-08 20:09:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2025-03-08 20:09:55,622 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2025-03-08 20:09:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2025-03-08 20:09:55,622 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2025-03-08 20:09:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2025-03-08 20:09:55,622 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2025-03-08 20:09:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2025-03-08 20:09:55,622 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2025-03-08 20:09:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2025-03-08 20:09:55,622 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2025-03-08 20:09:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2025-03-08 20:09:55,622 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2025-03-08 20:09:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2025-03-08 20:09:55,622 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2025-03-08 20:09:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2025-03-08 20:09:55,622 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2025-03-08 20:09:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2025-03-08 20:09:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2025-03-08 20:09:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2025-03-08 20:09:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2025-03-08 20:09:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2025-03-08 20:09:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2025-03-08 20:09:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2025-03-08 20:09:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2025-03-08 20:09:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2025-03-08 20:09:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2025-03-08 20:09:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2025-03-08 20:09:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 20:09:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2025-03-08 20:09:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-08 20:09:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2025-03-08 20:09:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2025-03-08 20:09:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2025-03-08 20:09:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2025-03-08 20:09:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-03-08 20:09:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2025-03-08 20:09:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-03-08 20:09:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2025-03-08 20:09:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2025-03-08 20:09:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2025-03-08 20:09:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2025-03-08 20:09:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2025-03-08 20:09:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2025-03-08 20:09:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2025-03-08 20:09:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2025-03-08 20:09:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-08 20:09:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2025-03-08 20:09:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2025-03-08 20:09:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2025-03-08 20:09:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-08 20:09:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2025-03-08 20:09:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2025-03-08 20:09:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_103 [2025-03-08 20:09:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_103 [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2025-03-08 20:09:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2025-03-08 20:09:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-03-08 20:09:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2025-03-08 20:09:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2025-03-08 20:09:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2025-03-08 20:09:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2025-03-08 20:09:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2025-03-08 20:09:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2025-03-08 20:09:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2025-03-08 20:09:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2025-03-08 20:09:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2025-03-08 20:09:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 20:09:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 20:09:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 20:09:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 20:09:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 20:09:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 20:09:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 20:09:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 20:09:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 20:09:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 20:09:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 20:09:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 20:09:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-08 20:09:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-08 20:09:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2025-03-08 20:09:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2025-03-08 20:09:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2025-03-08 20:09:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2025-03-08 20:09:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-03-08 20:09:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-03-08 20:09:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2025-03-08 20:09:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2025-03-08 20:09:56,421 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 20:09:56,423 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 20:09:56,845 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17033: havoc nfs4_set_ds_client_#t~ret1463#1.base, nfs4_set_ds_client_#t~ret1463#1.offset; [2025-03-08 20:09:56,845 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17094: havoc out_of_line_wait_on_bit_#t~nondet1471#1; [2025-03-08 20:09:56,845 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17003: havoc nfs4_init_ds_session_#t~nondet1458#1; [2025-03-08 20:09:56,869 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17133: havoc pnfs_write_done_resend_to_mds_#t~nondet1478#1; [2025-03-08 20:09:56,871 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-08 20:09:56,888 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8061: havoc #t~mem186.base, #t~mem186.offset; [2025-03-08 20:09:56,901 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L16986: havoc #t~nondet1454; [2025-03-08 20:09:56,985 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L14582-1: ldv___ldv_atomic_dec_and_lock_103_#res#1 := ldv___ldv_atomic_dec_and_lock_103_~ldv_func_res~0#1; [2025-03-08 20:09:56,985 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L16943: havoc __ldv_atomic_dec_and_lock_#t~nondet1450#1; [2025-03-08 20:09:57,037 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L16956: havoc _pnfs_return_layout_#t~nondet1451#1; [2025-03-08 20:09:57,037 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8008: havoc pnfs_enabled_sb_#t~mem177#1.base, pnfs_enabled_sb_#t~mem177#1.offset; [2025-03-08 20:09:57,163 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10483: call ULTIMATE.dealloc(~#list~2#1.base, ~#list~2#1.offset);havoc ~#list~2#1.base, ~#list~2#1.offset; [2025-03-08 20:09:57,163 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7894: havoc NFS_CLIENT_#t~mem85#1.base, NFS_CLIENT_#t~mem85#1.offset; [2025-03-08 20:09:57,163 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10183: havoc select_ds_fh_from_commit_#t~mem775#1.base, select_ds_fh_from_commit_#t~mem775#1.offset;havoc select_ds_fh_from_commit_#t~mem776#1.base, select_ds_fh_from_commit_#t~mem776#1.offset; [2025-03-08 20:09:57,206 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17116: havoc pnfs_read_done_resend_to_mds_#t~nondet1475#1; [2025-03-08 20:09:57,211 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7373: havoc #t~mem35; [2025-03-08 20:09:57,432 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7874: havoc NFS_SB_#t~mem81#1.base, NFS_SB_#t~mem81#1.offset; [2025-03-08 20:09:57,452 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7213: havoc list_is_singular_#t~mem9#1.base, list_is_singular_#t~mem9#1.offset;havoc list_is_singular_#t~mem10#1.base, list_is_singular_#t~mem10#1.offset;havoc list_is_singular_#t~short11#1; [2025-03-08 20:09:57,592 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L13930: havoc #t~mem1293.base, #t~mem1293.offset;havoc #t~mem1294.base, #t~mem1294.offset; [2025-03-08 20:09:57,595 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7904: havoc #t~mem87; [2025-03-08 20:09:57,599 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L13903: havoc #t~mem1285.base, #t~mem1285.offset;havoc #t~mem1286.base, #t~mem1286.offset;havoc #t~mem1287; [2025-03-08 20:09:57,629 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7353: call ULTIMATE.dealloc(div_u64_~#remainder~0#1.base, div_u64_~#remainder~0#1.offset);havoc div_u64_~#remainder~0#1.base, div_u64_~#remainder~0#1.offset; [2025-03-08 20:09:57,630 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8275: havoc filelayout_get_dense_offset_#t~mem225#1;havoc filelayout_get_dense_offset_#t~mem226#1;call ULTIMATE.dealloc(filelayout_get_dense_offset_~#rem~0#1.base, filelayout_get_dense_offset_~#rem~0#1.offset);havoc filelayout_get_dense_offset_~#rem~0#1.base, filelayout_get_dense_offset_~#rem~0#1.offset; [2025-03-08 20:09:57,662 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17020: havoc nfs4_put_deviceid_node_#t~nondet1461#1; [2025-03-08 20:09:57,706 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17137: havoc #t~nondet1479; [2025-03-08 20:09:57,752 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12439: havoc #t~bitwise961; [2025-03-08 20:09:57,788 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L16990: havoc #t~nondet1455; [2025-03-08 20:09:57,812 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7203: havoc #t~mem7.base, #t~mem7.offset; [2025-03-08 20:09:57,838 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17051: havoc nfs_generic_pg_test_#t~nondet1467#1; [2025-03-08 20:09:57,839 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17105: havoc pnfs_generic_pg_test_#t~nondet1473#1; [2025-03-08 20:09:57,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9969: call ULTIMATE.dealloc(~#cinfo~0#1.base, ~#cinfo~0#1.offset);havoc ~#cinfo~0#1.base, ~#cinfo~0#1.offset; [2025-03-08 20:09:57,895 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17044: havoc #t~ret1466.base, #t~ret1466.offset; [2025-03-08 20:09:57,936 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L16932: havoc __cond_resched_lock_#t~nondet1448#1; [2025-03-08 20:09:57,977 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17069: havoc nfs_initiate_write_#t~nondet1470#1; [2025-03-08 20:09:57,980 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L16996: havoc #t~ret1457.base, #t~ret1457.offset; [2025-03-08 20:09:57,986 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7242: havoc #t~mem12;havoc #t~bitwise13; [2025-03-08 20:09:58,072 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17065: havoc nfs_initiate_read_#t~nondet1469#1; [2025-03-08 20:09:58,077 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17061: havoc #t~nondet1468; [2025-03-08 20:09:58,107 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7236: #res := 1; [2025-03-08 20:09:58,139 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17183: havoc #t~ret1484.base, #t~ret1484.offset; [2025-03-08 20:09:58,148 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7940: havoc #t~mem92;havoc #t~mem93; [2025-03-08 20:09:58,187 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10107: havoc filelayout_choose_commit_list_#t~mem756#1.base, filelayout_choose_commit_list_#t~mem756#1.offset; [2025-03-08 20:09:58,215 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17129: havoc #t~ret1477.base, #t~ret1477.offset; [2025-03-08 20:09:58,963 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17016: havoc nfs4_proc_getdeviceinfo_#t~nondet1460#1; [2025-03-08 20:09:58,963 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17158: havoc rpc_pton_#t~nondet1482#1; [2025-03-08 20:09:58,964 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L13415: call ULTIMATE.dealloc(decode_device_~#stream~1#1.base, decode_device_~#stream~1#1.offset);havoc decode_device_~#stream~1#1.base, decode_device_~#stream~1#1.offset;call ULTIMATE.dealloc(decode_device_~#buf~2#1.base, decode_device_~#buf~2#1.offset);havoc decode_device_~#buf~2#1.base, decode_device_~#buf~2#1.offset;call ULTIMATE.dealloc(decode_device_~#dsaddrs~0#1.base, decode_device_~#dsaddrs~0#1.offset);havoc decode_device_~#dsaddrs~0#1.base, decode_device_~#dsaddrs~0#1.offset; [2025-03-08 20:09:58,964 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9527: call ULTIMATE.dealloc(filelayout_decode_layout_~#stream~0#1.base, filelayout_decode_layout_~#stream~0#1.offset);havoc filelayout_decode_layout_~#stream~0#1.base, filelayout_decode_layout_~#stream~0#1.offset;call ULTIMATE.dealloc(filelayout_decode_layout_~#buf~0#1.base, filelayout_decode_layout_~#buf~0#1.offset);havoc filelayout_decode_layout_~#buf~0#1.base, filelayout_decode_layout_~#buf~0#1.offset; [2025-03-08 20:09:58,964 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L13095: call ULTIMATE.dealloc(decode_ds_addr_~#tmp~86#1.base, decode_ds_addr_~#tmp~86#1.offset);havoc decode_ds_addr_~#tmp~86#1.base, decode_ds_addr_~#tmp~86#1.offset; [2025-03-08 20:09:58,964 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L16993: havoc nfs4_find_get_deviceid_#t~ret1456#1.base, nfs4_find_get_deviceid_#t~ret1456#1.offset; [2025-03-08 20:09:58,964 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L16939: havoc __ipv6_addr_type_#t~nondet1449#1; [2025-03-08 20:09:58,964 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17006: havoc nfs4_insert_deviceid_node_#t~ret1459#1.base, nfs4_insert_deviceid_node_#t~ret1459#1.offset; [2025-03-08 20:09:58,964 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12515: havoc ipv6_addr_equal_#t~mem985#1;havoc ipv6_addr_equal_#t~mem986#1;havoc ipv6_addr_equal_#t~bitwise987#1;havoc ipv6_addr_equal_#t~mem988#1;havoc ipv6_addr_equal_#t~mem989#1;havoc ipv6_addr_equal_#t~bitwise990#1;havoc ipv6_addr_equal_#t~bitwise991#1; [2025-03-08 20:09:58,964 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9807: call ULTIMATE.dealloc(~#id~0#1.base, ~#id~0#1.offset);havoc ~#id~0#1.base, ~#id~0#1.offset; [2025-03-08 20:09:58,979 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17041: havoc nfs4_test_deviceid_unavailable_#t~nondet1465#1; [2025-03-08 20:09:59,020 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17037: havoc #t~nondet1464; [2025-03-08 20:10:01,290 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17120: havoc pnfs_register_layoutdriver_#t~nondet1476#1; [2025-03-08 20:10:01,290 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint main_returnLabel#1: #t~ret1486#1 := main_#res#1;havoc main_#t~ret931#1, main_~tmp~66#1;assume { :end_inline_main } true; [2025-03-08 20:10:01,290 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17101: havoc pnfs_generic_pg_readpages_#t~nondet1472#1; [2025-03-08 20:10:01,290 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-03-08 20:10:01,290 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17109: havoc pnfs_generic_pg_writepages_#t~nondet1474#1; [2025-03-08 20:10:02,440 INFO L? ?]: Removed 2790 outVars from TransFormulas that were not future-live. [2025-03-08 20:10:02,440 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 20:10:02,515 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 20:10:02,515 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-08 20:10:02,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 08:10:02 BoogieIcfgContainer [2025-03-08 20:10:02,515 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 20:10:02,517 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 20:10:02,517 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 20:10:02,523 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 20:10:02,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 08:09:50" (1/3) ... [2025-03-08 20:10:02,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6554357f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 08:10:02, skipping insertion in model container [2025-03-08 20:10:02,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:09:53" (2/3) ... [2025-03-08 20:10:02,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6554357f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 08:10:02, skipping insertion in model container [2025-03-08 20:10:02,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 08:10:02" (3/3) ... [2025-03-08 20:10:02,524 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2025-03-08 20:10:02,538 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 20:10:02,543 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i that has 140 procedures, 2519 locations, 1 initial locations, 29 loop locations, and 1 error locations. [2025-03-08 20:10:02,625 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 20:10:02,632 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;@77d61a47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 20:10:02,633 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 20:10:02,641 INFO L276 IsEmpty]: Start isEmpty. Operand has 2452 states, 1667 states have (on average 1.3173365326934614) internal successors, (2196), 1715 states have internal predecessors, (2196), 659 states have call successors, (659), 126 states have call predecessors, (659), 125 states have return successors, (653), 630 states have call predecessors, (653), 653 states have call successors, (653) [2025-03-08 20:10:02,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2025-03-08 20:10:02,670 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:10:02,671 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:10:02,671 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 20:10:02,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:10:02,676 INFO L85 PathProgramCache]: Analyzing trace with hash -753997340, now seen corresponding path program 1 times [2025-03-08 20:10:02,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:10:02,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258823772] [2025-03-08 20:10:02,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:10:02,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:10:02,950 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 408 statements into 1 equivalence classes. [2025-03-08 20:10:03,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 408 of 408 statements. [2025-03-08 20:10:03,177 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:10:03,177 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:10:03,805 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-03-08 20:10:03,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:10:03,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258823772] [2025-03-08 20:10:03,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258823772] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:10:03,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:10:03,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:10:03,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372306117] [2025-03-08 20:10:03,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:10:03,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:10:03,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:10:03,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:10:03,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:10:03,840 INFO L87 Difference]: Start difference. First operand has 2452 states, 1667 states have (on average 1.3173365326934614) internal successors, (2196), 1715 states have internal predecessors, (2196), 659 states have call successors, (659), 126 states have call predecessors, (659), 125 states have return successors, (653), 630 states have call predecessors, (653), 653 states have call successors, (653) 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, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2025-03-08 20:10:05,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:10:05,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:10:05,951 INFO L93 Difference]: Finished difference Result 7100 states and 10254 transitions. [2025-03-08 20:10:05,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:10:05,953 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, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 408 [2025-03-08 20:10:05,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:10:06,012 INFO L225 Difference]: With dead ends: 7100 [2025-03-08 20:10:06,012 INFO L226 Difference]: Without dead ends: 4644 [2025-03-08 20:10:06,040 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:10:06,042 INFO L435 NwaCegarLoop]: 3457 mSDtfsCounter, 3246 mSDsluCounter, 3368 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3246 SdHoareTripleChecker+Valid, 6825 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-03-08 20:10:06,042 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3246 Valid, 6825 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-03-08 20:10:06,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4644 states. [2025-03-08 20:10:06,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4644 to 4640. [2025-03-08 20:10:06,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4640 states, 3189 states have (on average 1.3164001254311697) internal successors, (4198), 3285 states have internal predecessors, (4198), 1204 states have call successors, (1204), 246 states have call predecessors, (1204), 246 states have return successors, (1204), 1156 states have call predecessors, (1204), 1204 states have call successors, (1204) [2025-03-08 20:10:06,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4640 states to 4640 states and 6606 transitions. [2025-03-08 20:10:06,387 INFO L78 Accepts]: Start accepts. Automaton has 4640 states and 6606 transitions. Word has length 408 [2025-03-08 20:10:06,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:10:06,390 INFO L471 AbstractCegarLoop]: Abstraction has 4640 states and 6606 transitions. [2025-03-08 20:10:06,390 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, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2025-03-08 20:10:06,390 INFO L276 IsEmpty]: Start isEmpty. Operand 4640 states and 6606 transitions. [2025-03-08 20:10:06,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2025-03-08 20:10:06,399 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:10:06,399 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] [2025-03-08 20:10:06,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 20:10:06,400 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 20:10:06,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:10:06,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1525169172, now seen corresponding path program 1 times [2025-03-08 20:10:06,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:10:06,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835066820] [2025-03-08 20:10:06,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:10:06,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:10:06,558 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 409 statements into 1 equivalence classes. [2025-03-08 20:10:06,605 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 409 of 409 statements. [2025-03-08 20:10:06,605 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:10:06,605 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:10:06,910 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-03-08 20:10:06,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:10:06,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835066820] [2025-03-08 20:10:06,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835066820] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:10:06,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:10:06,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:10:06,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160879267] [2025-03-08 20:10:06,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:10:06,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:10:06,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:10:06,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:10:06,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:10:06,914 INFO L87 Difference]: Start difference. First operand 4640 states and 6606 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2025-03-08 20:10:08,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:10:08,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:10:08,819 INFO L93 Difference]: Finished difference Result 12415 states and 17606 transitions. [2025-03-08 20:10:08,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:10:08,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 409 [2025-03-08 20:10:08,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:10:08,866 INFO L225 Difference]: With dead ends: 12415 [2025-03-08 20:10:08,866 INFO L226 Difference]: Without dead ends: 7848 [2025-03-08 20:10:08,886 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:10:08,886 INFO L435 NwaCegarLoop]: 5288 mSDtfsCounter, 3176 mSDsluCounter, 3299 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3176 SdHoareTripleChecker+Valid, 8587 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-03-08 20:10:08,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3176 Valid, 8587 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-03-08 20:10:08,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7848 states. [2025-03-08 20:10:09,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7848 to 7842. [2025-03-08 20:10:09,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7842 states, 5362 states have (on average 1.3121969414397612) internal successors, (7036), 5539 states have internal predecessors, (7036), 2028 states have call successors, (2028), 451 states have call predecessors, (2028), 451 states have return successors, (2028), 1931 states have call predecessors, (2028), 2028 states have call successors, (2028) [2025-03-08 20:10:09,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7842 states to 7842 states and 11092 transitions. [2025-03-08 20:10:09,185 INFO L78 Accepts]: Start accepts. Automaton has 7842 states and 11092 transitions. Word has length 409 [2025-03-08 20:10:09,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:10:09,187 INFO L471 AbstractCegarLoop]: Abstraction has 7842 states and 11092 transitions. [2025-03-08 20:10:09,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2025-03-08 20:10:09,188 INFO L276 IsEmpty]: Start isEmpty. Operand 7842 states and 11092 transitions. [2025-03-08 20:10:09,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2025-03-08 20:10:09,196 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:10:09,196 INFO L218 NwaCegarLoop]: trace histogram [36, 36, 34, 34, 34, 34, 34, 34, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:10:09,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 20:10:09,196 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 20:10:09,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:10:09,196 INFO L85 PathProgramCache]: Analyzing trace with hash -59452335, now seen corresponding path program 1 times [2025-03-08 20:10:09,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:10:09,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148914303] [2025-03-08 20:10:09,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:10:09,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:10:09,320 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 431 statements into 1 equivalence classes. [2025-03-08 20:10:09,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 431 of 431 statements. [2025-03-08 20:10:09,359 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:10:09,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:10:09,758 INFO L134 CoverageAnalysis]: Checked inductivity of 5259 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5256 trivial. 0 not checked. [2025-03-08 20:10:09,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:10:09,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148914303] [2025-03-08 20:10:09,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148914303] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:10:09,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:10:09,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:10:09,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247808240] [2025-03-08 20:10:09,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:10:09,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:10:09,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:10:09,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:10:09,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:10:09,760 INFO L87 Difference]: Start difference. First operand 7842 states and 11092 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2025-03-08 20:10:11,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:10:12,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:10:12,279 INFO L93 Difference]: Finished difference Result 16572 states and 23356 transitions. [2025-03-08 20:10:12,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:10:12,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 431 [2025-03-08 20:10:12,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:10:12,334 INFO L225 Difference]: With dead ends: 16572 [2025-03-08 20:10:12,334 INFO L226 Difference]: Without dead ends: 8803 [2025-03-08 20:10:12,364 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:10:12,367 INFO L435 NwaCegarLoop]: 3383 mSDtfsCounter, 1262 mSDsluCounter, 3326 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1262 SdHoareTripleChecker+Valid, 6709 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2025-03-08 20:10:12,368 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1262 Valid, 6709 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2025-03-08 20:10:12,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8803 states. [2025-03-08 20:10:12,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8803 to 8801. [2025-03-08 20:10:12,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8801 states, 5992 states have (on average 1.3067423230974633) internal successors, (7830), 6199 states have internal predecessors, (7830), 2267 states have call successors, (2267), 541 states have call predecessors, (2267), 541 states have return successors, (2267), 2148 states have call predecessors, (2267), 2267 states have call successors, (2267) [2025-03-08 20:10:12,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8801 states to 8801 states and 12364 transitions. [2025-03-08 20:10:12,756 INFO L78 Accepts]: Start accepts. Automaton has 8801 states and 12364 transitions. Word has length 431 [2025-03-08 20:10:12,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:10:12,757 INFO L471 AbstractCegarLoop]: Abstraction has 8801 states and 12364 transitions. [2025-03-08 20:10:12,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2025-03-08 20:10:12,758 INFO L276 IsEmpty]: Start isEmpty. Operand 8801 states and 12364 transitions. [2025-03-08 20:10:12,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2025-03-08 20:10:12,766 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:10:12,767 INFO L218 NwaCegarLoop]: trace histogram [36, 36, 35, 35, 35, 35, 35, 35, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:10:12,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 20:10:12,767 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 20:10:12,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:10:12,769 INFO L85 PathProgramCache]: Analyzing trace with hash -592776835, now seen corresponding path program 1 times [2025-03-08 20:10:12,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:10:12,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377437645] [2025-03-08 20:10:12,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:10:12,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:10:12,908 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 453 statements into 1 equivalence classes. [2025-03-08 20:10:12,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 453 of 453 statements. [2025-03-08 20:10:12,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:10:12,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:10:13,174 INFO L134 CoverageAnalysis]: Checked inductivity of 5463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2025-03-08 20:10:13,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:10:13,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377437645] [2025-03-08 20:10:13,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377437645] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:10:13,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:10:13,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:10:13,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541343908] [2025-03-08 20:10:13,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:10:13,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:10:13,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:10:13,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:10:13,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:10:13,176 INFO L87 Difference]: Start difference. First operand 8801 states and 12364 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2025-03-08 20:10:14,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:10:14,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:10:14,961 INFO L93 Difference]: Finished difference Result 25132 states and 35318 transitions. [2025-03-08 20:10:14,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:10:14,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 453 [2025-03-08 20:10:14,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:10:15,186 INFO L225 Difference]: With dead ends: 25132 [2025-03-08 20:10:15,186 INFO L226 Difference]: Without dead ends: 16404 [2025-03-08 20:10:15,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:10:15,269 INFO L435 NwaCegarLoop]: 3385 mSDtfsCounter, 3239 mSDsluCounter, 3335 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3239 SdHoareTripleChecker+Valid, 6720 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-03-08 20:10:15,270 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3239 Valid, 6720 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-03-08 20:10:15,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16404 states. [2025-03-08 20:10:15,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16404 to 16378. [2025-03-08 20:10:15,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16378 states, 11192 states have (on average 1.3088813438170122) internal successors, (14649), 11584 states have internal predecessors, (14649), 4181 states have call successors, (4181), 1004 states have call predecessors, (4181), 1004 states have return successors, (4181), 3957 states have call predecessors, (4181), 4181 states have call successors, (4181) [2025-03-08 20:10:15,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16378 states to 16378 states and 23011 transitions. [2025-03-08 20:10:15,906 INFO L78 Accepts]: Start accepts. Automaton has 16378 states and 23011 transitions. Word has length 453 [2025-03-08 20:10:15,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:10:15,908 INFO L471 AbstractCegarLoop]: Abstraction has 16378 states and 23011 transitions. [2025-03-08 20:10:15,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2025-03-08 20:10:15,908 INFO L276 IsEmpty]: Start isEmpty. Operand 16378 states and 23011 transitions. [2025-03-08 20:10:15,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2025-03-08 20:10:15,916 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:10:15,916 INFO L218 NwaCegarLoop]: trace histogram [36, 36, 35, 35, 35, 35, 35, 35, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:10:15,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 20:10:15,916 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 20:10:15,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:10:15,917 INFO L85 PathProgramCache]: Analyzing trace with hash 798776058, now seen corresponding path program 1 times [2025-03-08 20:10:15,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:10:15,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762664749] [2025-03-08 20:10:15,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:10:15,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:10:16,111 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 461 statements into 1 equivalence classes. [2025-03-08 20:10:16,156 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 461 of 461 statements. [2025-03-08 20:10:16,156 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:10:16,156 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:10:16,391 INFO L134 CoverageAnalysis]: Checked inductivity of 5463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2025-03-08 20:10:16,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:10:16,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762664749] [2025-03-08 20:10:16,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762664749] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:10:16,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:10:16,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:10:16,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950080771] [2025-03-08 20:10:16,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:10:16,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:10:16,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:10:16,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:10:16,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:10:16,392 INFO L87 Difference]: Start difference. First operand 16378 states and 23011 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2025-03-08 20:10:20,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:10:21,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:10:21,278 INFO L93 Difference]: Finished difference Result 47741 states and 67076 transitions. [2025-03-08 20:10:21,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:10:21,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 461 [2025-03-08 20:10:21,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:10:21,456 INFO L225 Difference]: With dead ends: 47741 [2025-03-08 20:10:21,456 INFO L226 Difference]: Without dead ends: 31436 [2025-03-08 20:10:21,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:10:21,520 INFO L435 NwaCegarLoop]: 3450 mSDtfsCounter, 3239 mSDsluCounter, 3334 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3239 SdHoareTripleChecker+Valid, 6784 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2025-03-08 20:10:21,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3239 Valid, 6784 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 144 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2025-03-08 20:10:21,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31436 states. [2025-03-08 20:10:22,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31436 to 31418. [2025-03-08 20:10:22,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31418 states, 21526 states have (on average 1.3094862027315803) internal successors, (28188), 22288 states have internal predecessors, (28188), 7961 states have call successors, (7961), 1930 states have call predecessors, (7961), 1930 states have return successors, (7961), 7527 states have call predecessors, (7961), 7961 states have call successors, (7961) [2025-03-08 20:10:22,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31418 states to 31418 states and 44110 transitions. [2025-03-08 20:10:23,025 INFO L78 Accepts]: Start accepts. Automaton has 31418 states and 44110 transitions. Word has length 461 [2025-03-08 20:10:23,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:10:23,026 INFO L471 AbstractCegarLoop]: Abstraction has 31418 states and 44110 transitions. [2025-03-08 20:10:23,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2025-03-08 20:10:23,026 INFO L276 IsEmpty]: Start isEmpty. Operand 31418 states and 44110 transitions. [2025-03-08 20:10:23,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2025-03-08 20:10:23,035 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:10:23,035 INFO L218 NwaCegarLoop]: trace histogram [36, 36, 35, 35, 35, 35, 35, 35, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:10:23,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 20:10:23,036 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 20:10:23,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:10:23,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1982109495, now seen corresponding path program 1 times [2025-03-08 20:10:23,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:10:23,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283911164] [2025-03-08 20:10:23,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:10:23,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:10:23,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 468 statements into 1 equivalence classes. [2025-03-08 20:10:23,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 468 of 468 statements. [2025-03-08 20:10:23,220 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:10:23,220 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:10:23,572 INFO L134 CoverageAnalysis]: Checked inductivity of 5469 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5469 trivial. 0 not checked. [2025-03-08 20:10:23,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:10:23,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283911164] [2025-03-08 20:10:23,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283911164] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:10:23,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:10:23,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:10:23,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804691958] [2025-03-08 20:10:23,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:10:23,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:10:23,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:10:23,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:10:23,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:10:23,575 INFO L87 Difference]: Start difference. First operand 31418 states and 44110 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2025-03-08 20:10:27,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:10:29,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:10:29,322 INFO L93 Difference]: Finished difference Result 90338 states and 126929 transitions. [2025-03-08 20:10:29,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:10:29,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 468 [2025-03-08 20:10:29,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:10:29,693 INFO L225 Difference]: With dead ends: 90338 [2025-03-08 20:10:29,693 INFO L226 Difference]: Without dead ends: 58993 [2025-03-08 20:10:29,844 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:10:29,845 INFO L435 NwaCegarLoop]: 3981 mSDtfsCounter, 3239 mSDsluCounter, 3333 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3239 SdHoareTripleChecker+Valid, 7314 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2025-03-08 20:10:29,845 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3239 Valid, 7314 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 150 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2025-03-08 20:10:29,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58993 states. [2025-03-08 20:10:31,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58993 to 58983. [2025-03-08 20:10:31,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58983 states, 40602 states have (on average 1.3101817644451013) internal successors, (53196), 41985 states have internal predecessors, (53196), 14818 states have call successors, (14818), 3562 states have call predecessors, (14818), 3562 states have return successors, (14818), 14057 states have call predecessors, (14818), 14818 states have call successors, (14818) [2025-03-08 20:10:32,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58983 states to 58983 states and 82832 transitions. [2025-03-08 20:10:32,137 INFO L78 Accepts]: Start accepts. Automaton has 58983 states and 82832 transitions. Word has length 468 [2025-03-08 20:10:32,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:10:32,138 INFO L471 AbstractCegarLoop]: Abstraction has 58983 states and 82832 transitions. [2025-03-08 20:10:32,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2025-03-08 20:10:32,138 INFO L276 IsEmpty]: Start isEmpty. Operand 58983 states and 82832 transitions. [2025-03-08 20:10:32,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2025-03-08 20:10:32,142 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:10:32,143 INFO L218 NwaCegarLoop]: trace histogram [38, 38, 34, 34, 34, 34, 34, 34, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:10:32,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 20:10:32,143 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 20:10:32,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:10:32,144 INFO L85 PathProgramCache]: Analyzing trace with hash 575884216, now seen corresponding path program 1 times [2025-03-08 20:10:32,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:10:32,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133446649] [2025-03-08 20:10:32,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:10:32,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:10:32,511 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 475 statements into 1 equivalence classes. [2025-03-08 20:10:32,586 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 475 of 475 statements. [2025-03-08 20:10:32,586 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:10:32,586 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:10:32,824 INFO L134 CoverageAnalysis]: Checked inductivity of 5496 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5479 trivial. 0 not checked. [2025-03-08 20:10:32,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:10:32,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133446649] [2025-03-08 20:10:32,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133446649] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:10:32,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:10:32,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:10:32,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912347253] [2025-03-08 20:10:32,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:10:32,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:10:32,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:10:32,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:10:32,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:10:32,827 INFO L87 Difference]: Start difference. First operand 58983 states and 82832 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2025-03-08 20:10:36,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:10:36,794 INFO L93 Difference]: Finished difference Result 175409 states and 246588 transitions. [2025-03-08 20:10:36,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:10:36,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 475 [2025-03-08 20:10:36,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:10:37,787 INFO L225 Difference]: With dead ends: 175409 [2025-03-08 20:10:37,787 INFO L226 Difference]: Without dead ends: 116552 [2025-03-08 20:10:38,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:10:38,019 INFO L435 NwaCegarLoop]: 6562 mSDtfsCounter, 3250 mSDsluCounter, 3340 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3250 SdHoareTripleChecker+Valid, 9902 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-08 20:10:38,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3250 Valid, 9902 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-08 20:10:38,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116552 states. [2025-03-08 20:10:42,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116552 to 116550. [2025-03-08 20:10:42,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116550 states, 80272 states have (on average 1.3105316922463623) internal successors, (105199), 82934 states have internal predecessors, (105199), 29281 states have call successors, (29281), 6996 states have call predecessors, (29281), 6996 states have return successors, (29281), 27863 states have call predecessors, (29281), 29281 states have call successors, (29281) [2025-03-08 20:10:42,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116550 states to 116550 states and 163761 transitions. [2025-03-08 20:10:42,787 INFO L78 Accepts]: Start accepts. Automaton has 116550 states and 163761 transitions. Word has length 475 [2025-03-08 20:10:42,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:10:42,788 INFO L471 AbstractCegarLoop]: Abstraction has 116550 states and 163761 transitions. [2025-03-08 20:10:42,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2025-03-08 20:10:42,789 INFO L276 IsEmpty]: Start isEmpty. Operand 116550 states and 163761 transitions. [2025-03-08 20:10:43,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2025-03-08 20:10:43,024 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:10:43,024 INFO L218 NwaCegarLoop]: trace histogram [38, 38, 34, 34, 34, 34, 34, 34, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:10:43,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 20:10:43,024 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 20:10:43,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:10:43,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1013893719, now seen corresponding path program 1 times [2025-03-08 20:10:43,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:10:43,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935124596] [2025-03-08 20:10:43,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:10:43,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:10:43,227 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 475 statements into 1 equivalence classes. [2025-03-08 20:10:43,271 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 475 of 475 statements. [2025-03-08 20:10:43,271 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:10:43,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:10:43,452 INFO L134 CoverageAnalysis]: Checked inductivity of 5496 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5479 trivial. 0 not checked. [2025-03-08 20:10:43,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:10:43,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935124596] [2025-03-08 20:10:43,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935124596] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:10:43,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:10:43,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:10:43,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2318006] [2025-03-08 20:10:43,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:10:43,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:10:43,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:10:43,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:10:43,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:10:43,454 INFO L87 Difference]: Start difference. First operand 116550 states and 163761 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2025-03-08 20:10:45,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:10:49,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:10:49,973 INFO L93 Difference]: Finished difference Result 290571 states and 408475 transitions. [2025-03-08 20:10:49,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:10:49,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 475 [2025-03-08 20:10:49,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:10:51,138 INFO L225 Difference]: With dead ends: 290571 [2025-03-08 20:10:51,139 INFO L226 Difference]: Without dead ends: 173812 [2025-03-08 20:10:51,690 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:10:51,691 INFO L435 NwaCegarLoop]: 6422 mSDtfsCounter, 3245 mSDsluCounter, 3345 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3245 SdHoareTripleChecker+Valid, 9767 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-03-08 20:10:51,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3245 Valid, 9767 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-03-08 20:10:51,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173812 states.