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Proof step 16 from proof validrefs-putbyte-01 (previous step)

¬ (is_array(str, r0, st) ∧ st[r0 -- _type] .type ≤ ty), (st[r -- i ', byteval(by)][r0 -- i0 ']) = refval(refs0 .first), 0 < st[r0 -- _length] .intval, 0 ≤ i0, st[r0 -- _type] .type ≤ ty, is_array(str, r0, st[r -- i ', byteval(by)]), okbytearray(r, st), validrefs(str, refs0, st[r0 -- _type] .type .type, st[r -- i ', byteval(by)]), i0 < st[r0 -- _length] .intval, ∀ by, i, ty, str, st, r, refs1. # refs1 < # (r0 ' + refs0) → (okbytearray(r, st) ∧ validrefs(str, refs1, ty, st[r -- i ', byteval(by)]) → validrefs(str, refs1, ty, st)) ⊦ r0 = jvmref, is_obj(str, r0, st), validrefs(str, r0 ' + refs0, ty, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 15:
(st[r -- i ', byteval(by)][r0 -- i0 ']) = refval(refs0 .first), 0 < st[r0 -- _length] .intval, 0 ≤ i0, st[r0 -- _type] .type ≤ ty, is_array(str, r0, st[r -- i ', byteval(by)]), okbytearray(r, st), validrefs(str, refs0, st[r0 -- _type] .type .type, st[r -- i ', byteval(by)]), i0 < st[r0 -- _length] .intval, ∀ by, i, ty, str, st, r, refs1. # refs1 < # (r0 ' + refs0) → (okbytearray(r, st) ∧ validrefs(str, refs1, ty, st[r -- i ', byteval(by)]) → validrefs(str, refs1, ty, st)) ⊦ r0 = jvmref, is_obj(str, r0, st), validrefs(str, r0 ' + refs0, ty, st), is_array(str, r0, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]