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Proof step 19 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) ∧ ¬ junkref(str, r3, st) ∧ is_obj(r1, st) ∧ st[r3 -- _type] .type ≤ mkfs(class, ty0, fieldvar) .type ∧ r3 ≠ jvmref ∧ mkfs(class, ty0, fieldvar) ' ∈ instfields(st[r1 -- _type] .type .class) → ¬ junkrefs(str, r3 ' + refs, ty0, st[r1 -- mkfs(class, ty0, fieldvar) ', refval(r3)]) ⊦ r3 = r0, _type = mkfs(class, ty0, fieldvar) ', r3 = jvmref, r1 = jvmref, junkref(str, r3, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 18:
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, junkref(str, r3, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ mkfs(class, ty, fieldvar) .type = ty], [CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1])]]