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Proof step 14 from proof junkrefs-append (previous step)

fs = mkfs(class, ty1, fieldvar), is_referencevalue(st[r -- fs ']), fs ' ∈ instfields(st[r -- _type] .type .class), is_obj(str, r, st), st[r -- _type] .type ≤ ty, junkrefs(str, st[r -- fs '] .refval ' + refs, ty1, st), ∀ str0, ty0, st0, refs1. junkrefs(str0, st[r -- fs '] .refval ' + refs, ty0, st0) → junkrefs(str0, (st[r -- fs '] .refval ' + refs) + refs1, ty0, st0) ⊦ r = jvmref, junkrefs(str, r ' + (st[r -- fs '] .refval ' + refs) + refs0, ty, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 13:
is_referencevalue(st[r -- mkfs(class, ty1, fieldvar) ']), mkfs(class, ty1, fieldvar) ' ∈ instfields(st[r -- _type] .type .class), is_obj(str, r, st), st[r -- _type] .type ≤ ty, junkrefs(str, st[r -- mkfs(class, ty1, fieldvar) '] .refval ' + refs, ty1, st), ∀ str0, ty0, st0, refs1. junkrefs(str0, st[r -- mkfs(class, ty1, fieldvar) '] .refval ' + refs, ty0, st0) → junkrefs(str0, (st[r -- mkfs(class, ty1, fieldvar) '] .refval ' + refs) + refs1, ty0, st0) ⊦ r = jvmref, junkrefs(str, r ' + (st[r -- mkfs(class, ty1, fieldvar) '] .refval ' + refs) + refs0, ty, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]