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Proof step 17 from proof junkrefs-put-refval (previous step)

st[r1 -- mkfs(class, ty0, fieldvar) '] = refval(r0), mkfs(class, ty0, fieldvar) ' ∈ instfields(st[r1 -- _type] .type .class), st[r3 -- _type] .type ≤ ty0, is_obj(r1, st), st[r1 -- _type] .type ≤ ty, is_obj(str, r1, st[r1 -- mkfs(class, ty0, fieldvar) ', refval(r3)]), junkrefs(str, r3 ' + refs, ty0, st[r1 -- mkfs(class, ty0, fieldvar) ', refval(r3)]), is_obj(str, r1, st), junkrefs(str, r0 ' + refs, ty0, st), junkrefs(str, r3 ' + refs, ty0, st) ⊦ r3 = r0, _type = mkfs(class, ty0, fieldvar) ', r3 = jvmref, r1 = jvmref, ∃ refs. refs ≠ [] ∧ refs .first = r3 ∧ junkrefs(str, refs, st[r3 -- _type] .type, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 16:
st[r1 -- mkfs(class, ty0, fieldvar) '] = refval(r0), mkfs(class, ty0, fieldvar) ' ∈ instfields(st[r1 -- _type] .type .class), st[r3 -- _type] .type ≤ ty0, is_obj(r1, st), st[r1 -- _type] .type ≤ ty, is_obj(str, r1, st[r1 -- mkfs(class, ty0, fieldvar) ', refval(r3)]), junkrefs(str, r3 ' + refs, ty0, st[r1 -- mkfs(class, ty0, fieldvar) ', refval(r3)]), is_obj(str, r1, st), junkrefs(str, r0 ' + refs, ty0, st), junkrefs(str, r3 ' + refs, ty0, st) ⊦ r3 = r0, _type = mkfs(class, ty0, fieldvar) ', r3 = jvmref, r1 = jvmref, ∃ refs0. refs0 ≠ [] ∧ refs0 .first = r3 ∧ junkrefs(str, refs0, st[refs0 .first -- _type] .type, st)

Rule argument

[emptyarg]

Additional information

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