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Proof step 7 from proof validrefs-addobj-junkref (previous step)

st[r1 -- mkfs(class1, ty1, fieldvar) '] = refval(r2), validrefs(str, r2 ' + refs, ty1, addobj(r, class, fis, st)), mkfs(class1, ty1, fieldvar) ' ∈ instfields(st[r1 -- _type] .type .class), st[r1 -- _type] .type ≤ ty0, newref(r, st), is_obj(str, r1, st), st[r2 -- _type] .type ≤ ty1, r ∈ refs, ∀ str0, ty, r0, class0, fis0, st0. validrefs(str0, r2 ' + refs, ty, addobj(r0, class0, fis0, st0)) ∧ newref(r0, st0) ∧ (r0 = r2 ∨ r0 ∈ refs) → junkref(str0, r2, st0) ⊦ r = r1, r = jvmref, r1 = jvmref, r2 = jvmref, r = r2, junkref(str, r2, st)

Heuristic quantifier closing applied rule all left

And closed the goal!

Rule argument

[EXRARG : pos: left 9, [QUANTTERMLIST : (str, ty1, r, class, fis, st)]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (str, ty1, r, class, fis, st)]]