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Proof step 42 from proof lookup-statfield (previous step)

fits(r, sk0 ' + sks0, st), fits(st[r -- sk0] .refval, sks0, st) → st[r -- sk0] .refval = jvmref ∨ (st[jvmref -- sk, val][st[r -- sk0] .refval -- sks0]) = st[st[r -- sk0] .refval -- sks0] ∨ junkref(str, st[r -- sk0] .refval, st), ∀ r, st, sk, val, str. fits(r, sks0, st) → r = jvmref ∨ (st[jvmref -- sk, val][r -- sks0]) = st[r -- sks0] ∨ junkref(str, r, st) ⊦ sks0 = [], (st[jvmref -- sk, val][st[r -- sk0] .refval -- sks0]) = st[st[r -- sk0] .refval -- sks0], r = jvmref, junkref(str, r, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 41:
fits(r, sk0 ' + sks0, st), ∀ r, st, sk, val, str. fits(r, sks0, st) → r = jvmref ∨ (st[jvmref -- sk, val][r -- sks0]) = st[r -- sks0] ∨ junkref(str, r, st), fits(st[r -- sk0] .refval, sks0, st) → st[r -- sk0] .refval = jvmref ∨ junkref(str, st[r -- sk0] .refval, st) ⊦ sks0 = [], (st[jvmref -- sk, val][st[r -- sk0] .refval -- sks0]) = st[st[r -- sk0] .refval -- sks0], r = jvmref, junkref(str, r, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]