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Proof step 16 from proof validrefs-primarray (previous step)

refs0 = r0 + refs, r0 = st[r -- i '] .refval, st[r -- _type] .type = mkarraytype(ty0), is_array(str, r, st), is_primtype(ty), 0 < st[r -- _length] .intval, 0 ≤ i, r ∈ st, validrefs(str, refs0, ty0, st), is_referencevalue(st[r -- i ']), i < st[r -- _length] .intval, okarray(r, ty, st), ty0 ≤ ty ⊦ refs0 = [], r ' + refs0 = jvmref ', r = jvmref

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 15:
st[r -- _type] .type = mkarraytype(ty0), is_referencevalue(st[r -- i ']), i < st[r -- _length] .intval, okarray(r, ty, st), ty0 ≤ ty, is_array(str, r, st), is_primtype(ty), 0 < st[r -- _length] .intval, 0 ≤ i, r ∈ st, validrefs(str, st[r -- i '] .refval ' + refs, ty0, st) ⊦ r = jvmref, r ' + st[r -- i '] .refval ' + refs = jvmref '

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1], [CSIMPSEQ : ⊦ r ' + refs ≠ []], [CSIMPSEQ : ⊦ r + refs = r ' + refs])]]