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Proof step 89 from proof validrefs-addobj-01 (previous step)

fs = mkfs(class0, ty0, fieldvar), fis .keys = instfields(class), is_obj(str, r, addobj(r, class, fis, st)), validFields(r, fis, addobj(r, class, fis, st)), newref(r, st), class+∃(str, class), validref(str, r, mkclasstype(class), addobj(r, class, fis, st)), fs ' × refval(r0) ∈ fis, fs ' ∈ instfields(class), validrefs(str, r0 ' + refs0, ty, st) ⊦ r = jvmref, is_abstract(class), is_referencevalue(addobj(r, class, fis, st)[r -- fs ']) ∧ r0 = (addobj(r, class, fis, st)[r -- fs ']) .refval ∧ validrefs(str, (addobj(r, class, fis, st)[r -- fs ']) .refval ' + refs0, ty0, addobj(r, class, fis, st))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 88:
fis .keys = instfields(class), is_obj(str, r, addobj(r, class, fis, st)), validFields(r, fis, addobj(r, class, fis, st)), newref(r, st), class+∃(str, class), validref(str, r, mkclasstype(class), addobj(r, class, fis, st)), mkfs(class0, ty0, fieldvar) ' × refval(r0) ∈ fis, mkfs(class0, ty0, fieldvar) ' ∈ instfields(class), validrefs(str, r0 ' + refs0, ty, st) ⊦ r = jvmref, is_abstract(class), is_referencevalue(addobj(r, class, fis, st)[r -- mkfs(class0, ty0, fieldvar) ']) ∧ r0 = (addobj(r, class, fis, st)[r -- mkfs(class0, ty0, fieldvar) ']) .refval ∧ validrefs(str, (addobj(r, class, fis, st)[r -- mkfs(class0, ty0, fieldvar) ']) .refval ' + refs0, ty0, addobj(r, class, fis, st))

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]