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Proof step 23 from proof maxpath-array (previous step)

maxpath(str, r0, st) = 1 + # refs1, maxpath(str, r, st) = 1 + # refs0, st[r -- i '] = refval(r0), validrefs(str, r0 ' + refs1, st[r0 -- _type] .type, st), 0 < st[r -- _length] .intval, validrefs(str, r ' + refs0, st[r -- _type] .type, st), # refs0 ≤ # refs1, is_array(str, r, st), i < st[r -- _length] .intval, 0 ≤ i, maxpath(str, r, st) ≤ maxpath(str, r0, st), is_valid_ref(str, r0, st) ⊦ validrefset(str, r, st) = ∅, # validrefset(str, r, st) = 0, validrefset(str, r0, st) = ∅, # validrefset(str, r0, st) = 0, r0 ∈ refs1, dups(refs1), has_reffield((r0 ' + refs1) .last, st), has_reffield((r ' + refs0) .last, st), r ∈ refs0, dups(refs0), cyclic(str, r, st), validrefs(str, r0 ' + refs1, st[r -- _type] .type .type, st), st[r0 -- _type] .type ≤ st[r -- _type] .type .type, ∃ i0. ¬ i0 < 0 ∧ ¬ st[r -- _length] .intval ≤ i0 ∧ is_referencevalue(st[r -- i0 ']) ∧ st[r -- i0 '] .refval ≠ jvmref ∧ (¬ st[st[r -- i0 '] .refval -- _type] .type ≤ st[r -- _type] .type .type ∨ junkref(str, st[r -- i0 '] .refval, st))

User applied rule exists right

And closed the goal!

Rule argument

[EXRARG : pos: right 14, [extquanttermlist: (i)abort:F, discard:T, computed:T]]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1], [CSIMPSEQ : ⊦ i ≤ j → (¬ ¬ j < i ↔ false)], [CSIMPSEQ : ⊦ i < j → (¬ ¬ j ≤ i ↔ false)], [CSIMPSEQ : ⊦ is_referencevalue(refval(r))], [CSIMPSEQ : ⊦ refval(r) .refval = r], [CSIMPSEQ : ⊦ validrefs (str, jvmref ' + refs, ty, st) ↔ refs = []], [CSIMPSEQ : ⊦ ¬ is_valid_ref(str, jvmref, st)])], [EXTRATERMS : (i)]]