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Proof step 11 from proof junkref-class-02 (previous step)

st[r -- mkfs(class, ty, fieldvar) '] = refval(r0), class+∃(str, st[r -- _type] .type .class) ∧ ¬ is_abstract(st[r -- _type] .type .class) ∧ r ≠ jvmref ∧ r -- _type ∈ st ∧ is_typevalue(st[r -- _type]) ∧ is_classtype(st[r -- _type] .type) ∧ (r -- _type) × st[r -- _type] ∈ st ∧ goodfieldsandtypes(r, instfields(st[r -- _type] .type .class), st), mkfs(class, ty, fieldvar) ' ∈ instfields(st[r -- _type] .type .class) ⊦ r0 = jvmref, is_reftype(ty)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 10:
st[r -- mkfs(class, ty, fieldvar) '] = refval(r0), class+∃(str, st[r -- _type] .type .class), r -- _type ∈ st, is_typevalue(st[r -- _type]), is_classtype(st[r -- _type] .type), goodfieldsandtypes(r, instfields(st[r -- _type] .type .class), st), mkfs(class, ty, fieldvar) ' ∈ instfields(st[r -- _type] .type .class), r ∈ st ⊦ r0 = jvmref, r = jvmref, is_reftype(ty), is_abstract(st[r -- _type] .type .class)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPFORWARD : ⊦ r -- sk ∈ st → r ∈ st], [CSIMPSEQ : ⊦ rk × val ∈ st ↔ rk ∈ st ∧ st[rk] = val])]]