| is_obj(str, r, st), is_valid_ref(r, st), is_obj(str, r, st[r -- sk, val]), st[r -- _type] .type ≤ ty ⊦ sk = _length, sk = _type, r0 = st[r -- sk] .refval, val .refval = r0, r = r0, r = jvmref, (∃ fs. fs ' ∈ instfields(st[r -- _type] .type .class) ∧ is_referencevalue(st[r -- sk, val][r -- fs ']) ∧ r0 = (st[r -- sk, val][r -- fs ']) .refval ∧ validrefs(str, (st[r -- sk, val][r -- fs ']) .refval ' + refs1, fs .type, st[r -- sk, val])) ↔ (∃ fs. fs ' ∈ instfields(st[r -- _type] .type .class) ∧ is_referencevalue(st[r -- fs ']) ∧ r0 = st[r -- fs '] .refval ∧ validrefs(str, st[r -- fs '] .refval ' + refs1, fs .type, st)), r0 ∈ refs1, dups(refs1), r ∈ refs1 |
∃ fs. fs ' ∈ instfields(st[r -- _type] .type .class) ∧ is_referencevalue(st[r -- sk, val][r -- fs ']) ∧ r0 = (st[r -- sk, val][r -- fs ']) .refval ∧ validrefs(str, (st[r -- sk, val][r -- fs ']) .refval ' + refs1, fs .type, st[r -- sk, val]), is_obj(str, r, st), is_valid_ref(r, st), is_obj(str, r, st[r -- sk, val]), st[r -- _type] .type ≤ ty ⊦ ∃ fs. fs ' ∈ instfields(st[r -- _type] .type .class) ∧ is_referencevalue(st[r -- fs ']) ∧ r0 = st[r -- fs '] .refval ∧ validrefs(str, st[r -- fs '] .refval ' + refs1, fs .type, st), sk = _length, sk = _type, r0 = st[r -- sk] .refval, val .refval = r0, r = r0, r = jvmref, r0 ∈ refs1, dups(refs1), r ∈ refs1
∃ fs. fs ' ∈ instfields(st[r -- _type] .type .class) ∧ is_referencevalue(st[r -- fs ']) ∧ r0 = st[r -- fs '] .refval ∧ validrefs(str, st[r -- fs '] .refval ' + refs1, fs .type, st), is_obj(str, r, st), is_valid_ref(r, st), is_obj(str, r, st[r -- sk, val]), st[r -- _type] .type ≤ ty ⊦ ∃ fs. fs ' ∈ instfields(st[r -- _type] .type .class) ∧ is_referencevalue(st[r -- sk, val][r -- fs ']) ∧ r0 = (st[r -- sk, val][r -- fs ']) .refval ∧ validrefs(str, (st[r -- sk, val][r -- fs ']) .refval ' + refs1, fs .type, st[r -- sk, val]), sk = _length, sk = _type, r0 = st[r -- sk] .refval, val .refval = r0, r = r0, r = jvmref, r0 ∈ refs1, dups(refs1), r ∈ refs1
[[CONCRETESIMPRULES : ()]]