What is the reasonableness of a sentence imposed by the district court for abuse of discretion?

We review the reasonableness of the sentence imposed by the district court for abuse of discretion. United States v. Verkhoglyad, 516 F.3d 122, 127 (2d Cir. 2008). A sentence is procedurally unreasonable where the district court "fails to calculate the Guidelines range," "makes a mistake in its Guidelines calculation," "treats the Guidelines as mandatory," "does not consider the [18 U.S.C.] 3553(a) factors," "rests its sentence on a clearly erroneous finding of fact," or "fails adequately to explain its chosen sentence." United States v. Cavera, 550 F.3d 180,

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