The South Florida Water Management District is in its second year of managing a Python Removal Program. Winners win cash prizes.

Before he became one of the biggest stars in bluegrass and country music, Billy Strings grew up in Muir, a small community located between Lansing and Grand Rapids. The Grammy Award-winning artist is ...

(set-logic QF_S) (declare-fun a () String) (assert (= (str.substr (str.++ a a "0") 0 6) (str.++ a "a"))) (check-sat) (get-model) Here's the behavior > z3 bug.smt2 ...