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Proof step 25 from proof junkref-addobj-01 (previous step)

fs = mkfs(class1, ty0, fieldvar0), fis .keys = instfields(class), fis[mkfs(class0, ty, fieldvar) '] = refval(r0), st[r0 -- _type] .type ≤ ty, is_obj(str, r0, st), mkfs(class0, ty, fieldvar) ' ∈ fis, junkrefs(str, r0 ' + st[r0 -- fs '] .refval ' + refs0, ty, addobj(r, class, fis, st)), mkfs(class0, ty, fieldvar) ' ∈ instfields(class), validfieldinits(fis, st), class+∃(str, class), newref(r, st), fs ' ∈ instfields(st[r0 -- _type] .type .class), is_referencevalue(st[r0 -- fs ']), junkrefs(str, st[r0 -- fs '] .refval ' + refs0, ty0, st) ⊦ r = jvmref, r0 = jvmref, is_abstract(class), junkrefs(str, r0 ' + st[r0 -- fs '] .refval ' + refs0, st[r0 -- _type] .type, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 24:
fis .keys = instfields(class), fis[mkfs(class0, ty, fieldvar) '] = refval(r0), st[r0 -- _type] .type ≤ ty, is_obj(str, r0, st), mkfs(class0, ty, fieldvar) ' ∈ fis, junkrefs(str, r0 ' + st[r0 -- mkfs(class1, ty0, fieldvar0) '] .refval ' + refs0, ty, addobj(r, class, fis, st)), mkfs(class0, ty, fieldvar) ' ∈ instfields(class), validfieldinits(fis, st), class+∃(str, class), newref(r, st), mkfs(class1, ty0, fieldvar0) ' ∈ instfields(st[r0 -- _type] .type .class), is_referencevalue(st[r0 -- mkfs(class1, ty0, fieldvar0) ']), junkrefs(str, st[r0 -- mkfs(class1, ty0, fieldvar0) '] .refval ' + refs0, ty0, st) ⊦ r = jvmref, r0 = jvmref, is_abstract(class), junkrefs(str, r0 ' + st[r0 -- mkfs(class1, ty0, fieldvar0) '] .refval ' + refs0, st[r0 -- _type] .type, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1])]]