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Proof step 16 from proof junkrefs-put-notin-butlast (previous step)

st[r0 -- mkfs(class0, ty1, fieldvar0) '] = refval(r1), acc + r ' = r1 ' + refs, mkfs(class0, ty1, fieldvar0) ' ∈ instfields(st[r0 -- _type] .type .class), junkrefs(str, acc + r ', ty1, st[r -- mkfs(class, ty0, fieldvar) ', val]), is_obj(str, r0, st), r -- mkfs(class, ty0, fieldvar) ' ∈ st, okval(st[r -- mkfs(class, ty0, fieldvar) '], ty0), okval(val, ty0), r ∈ st, st[r0 -- _type] .type ≤ ty, ∀ r, fs, st, val, str, ty. r -- fs ' ∈ st ∧ okval(st[r -- fs '], fs .type) ∧ okval(val, fs .type) ∧ r ∈ st → (junkrefs(str, acc + r ', ty, st[r -- fs ', val]) ↔ junkrefs(str, acc + r ', ty, st)) ∨ fs ' = _type ∨ fs ' = _length ∨ r ∈ acc ⊦ r = r0, r0 = jvmref, mkfs(class, ty0, fieldvar) ' = _type, mkfs(class, ty0, fieldvar) ' = _length, r ∈ acc, junkrefs(str, acc + r ', ty1, st), ¬ r1 ∈ acc ∧ r1 ≠ r, r ≠ r1 ∧ ¬ r ∈ refs

User applied rule all left

And closed the goal!

Rule argument

[EXRARG : pos: left 11, [extquanttermlist: (r, mkfs(class, ty0, fieldvar), st, val, str, ty1) abort:F , discard:T , computed:T ]]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ mkfs(class, ty, fieldvar) .type = ty])], [EXTRATERMS : (r, mkfs(class, ty0, fieldvar), st, val, str, ty1)]]