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Proof step 21 from proof at-put-prim (previous step)

st[r0 -- _type] .type = mkarraytype(ty), st[r0 -- i '] = refval(r1), is_array(str, r0, st), fits(r1, sks0, st), is_referencevalue(st[r1 -- sks0]), junkref(str, r1, st), is_arraytype(st[r0 -- _type] .type), i < st[r0 -- _length] .intval, 0 < st[r0 -- _length] .intval, 0 ≤ i, r0 ≠ r ∨ i ' ≠ sk ⊦ sks0 = [], r0 = jvmref, (st[r -- sk, val][r1 -- sks0]) = st[r1 -- sks0], junkref(str, r, st), is_referencevalue(st[r -- sk]), ∃ i0. ¬ i0 < 0 ∧ ¬ st[r0 -- _length] .intval ≤ i0 ∧ is_referencevalue(st[r0 -- i0 ']) ∧ st[r0 -- i0 '] .refval ≠ jvmref ∧ (¬ st[st[r0 -- i0 '] .refval -- _type] .type ≤ ty ∨ junkref(str, st[r0 -- i0 '] .refval, st))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 20:
st[r0 -- i '] = refval(r1), st[r0 -- _type] .type = mkarraytype(ty), 0 ≤ i, 0 < st[r0 -- _length] .intval, i < st[r0 -- _length] .intval, junkref(str, r1, st), is_referencevalue(st[r1 -- sks0]), fits(r1, sks0, st), is_array(str, r0, st), r0 ≠ r ∨ i ' ≠ sk ⊦ (st[r -- sk, val][r1 -- sks0]) = st[r1 -- sks0], r0 = jvmref, sks0 = [], is_referencevalue(st[r -- sk]), junkref(str, r, st), ∃ i0. ¬ i0 < 0 ∧ ¬ st[r0 -- _length] .intval ≤ i0 ∧ is_referencevalue(st[r0 -- i0 ']) ∧ st[r0 -- i0 '] .refval ≠ jvmref ∧ (¬ st[st[r0 -- i0 '] .refval -- _type] .type ≤ ty ∨ junkref(str, st[r0 -- i0 '] .refval, st))

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPNAMEDSEQ : javatype, , test-09, ⊦ is_arraytype(mkarraytype(ty))])]]