Question: Consider the statements below, where the variables m and n are assumed to have integer values, with n >= 0, and let W denote the

Consider the statements below, where the variables m and n are assumed to have integer values, with n >= 0, and let W denote the while-loop in these statements. a := m; b := n; c := 0; while b > 0 do if 2 | b then a := 2a;

b := b / 2; else c := c + a; b := b - 1; fi;

od;

Prove that ab + c = mn is a loop invariant for W. b odd separately

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