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Proof step 4 from proof ushort-neg (previous step)

s2i(sho) < 0 ⊦ bits2int(false ' + fillsgn(16, int2bits(s2i(sho)))) = s2i(sho) + 65536

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 5:
s2i(sho) < 0 ⊦ bits2uint(fillsgn(16, int2bits(s2i(sho)))) = s2i(sho) + 65536

Rule argument

Additional information

Used simplifier rules: ⊦ (bits + bits0) + bits1 = bits + bits0 + bits1;% ⊦ bits2int(false ' + bits) = bits2uint(bits);