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Proof step 17 from proof junkrefs-put-null-01 (previous step)

st[r0 -- mkfs(class0, ty2, fieldvar0) '] = refval(r2), mkfs(class0, ty2, fieldvar0) ' ∈ instfields(st[r0 -- _type] .type .class), is_obj(str, r0, st), st[r0 -- _type] .type ≤ ty, is_obj(str, r0, st[r -- mkfs(class, ty0, fieldvar) ', refval(jvmref)]), is_reftype(ty0), junkrefs(str, r2 ' + refs, ty2, st[r -- mkfs(class, ty0, fieldvar) ', refval(jvmref)]), r0 ≠ r ∨ class0 ≠ class ∨ ty2 ≠ ty0 ∨ fieldvar0 ≠ fieldvar, r0 ≠ r ∨ _type ≠ mkfs(class, ty0, fieldvar) ', ∀ str0, ty1, st0, fs0, r1. ¬ junkrefs(str0, r2 ' + refs, ty1, st0) ∧ is_reftype(fs0 .type) → ¬ junkrefs(str0, r2 ' + refs, ty1, st0[r1 -- fs0 ', refval(jvmref)]) ⊦ r0 = jvmref, junkrefs(str, r2 ' + refs, ty2, st)

Heuristic quantifier closing applied rule all left

And closed the goal!

Rule argument

[EXRARG : pos: left 10, [QUANTTERMLIST : (str, ty2, st, mkfs(class, ty0, fieldvar), r)]]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1], [CSIMPSEQ : ⊦ mkfs(class, ty, fieldvar) .type = ty])], [EXTRATERMS : (str, ty2, st, mkfs(class, ty0, fieldvar), r)]]