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Proof step 22 from proof validrefkeynotnull-put-shortval (previous step)

fs = mkfs(class, ty0, fieldvar), ty0 = short_type, is_shortvalue(st[r -- fs ']), validrefkeynotnull(str, rk, ty, st) ⊦ fs ' = _length, r = jvmref, validrefkeynotnull(str, rk, ty, st[r -- fs ', shortval(sho)])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 21:
is_shortvalue(st[r -- mkfs(class, short_type, fieldvar) ']), validrefkeynotnull(str, rk, ty, st) ⊦ r = jvmref, validrefkeynotnull(str, rk, ty, st[r -- mkfs(class, short_type, fieldvar) ', shortval(sho)])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ _length ≠ mkfs(class, short_type, fieldvar) '])]]