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Proof step 16 from proof junkrefs-put-refval-statfield (previous step)

acc = r0 + refs, r0 = st[r -- fs '] .refval, junkrefs(str, acc, fs .type, st[jvmref -- sk, val]), st[r -- _type] .type ≤ ty, is_obj(str, r, st), fs ' ∈ instfields(st[r -- _type] .type .class), is_referencevalue(st[r -- fs ']), ∀ str, ty, st, sk, val. junkrefs(str, acc, ty, st[jvmref -- sk, val]) → junkrefs(str, acc, ty, st) ⊦ r = jvmref, acc = [], junkrefs(str, r ' + acc, ty, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 15:
st[r -- _type] .type ≤ ty, is_obj(str, r, st), fs ' ∈ instfields(st[r -- _type] .type .class), is_referencevalue(st[r -- fs ']), junkrefs(str, st[r -- fs '] .refval ' + refs, fs .type, st[jvmref -- sk, val]), ∀ str0, ty0, st0, sk0, val0. junkrefs(str0, st[r -- fs '] .refval ' + refs, ty0, st0[jvmref -- sk0, val0]) → junkrefs(str0, st[r -- fs '] .refval ' + refs, ty0, st0) ⊦ r = jvmref, junkrefs(str, r ' + st[r -- fs '] .refval ' + refs, ty, st)

Rule argument

[emptyarg]

Additional information

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