Non-linear arithmetic and uninterpreted functions

Question

(declare-const x Real)
(declare-fun f (Real) Real)
(assert (= (f 1.0) 0.0))
(assert (= (* x x) (* 1.0 1.0)))
(check-sat)
(get-model)

I have two ind

Answer 1

The new nonlinear solver is not integrated with other theories (arrays, unintepreted functions, bit-vectors) yet. In Z3 4.0, it can only be used to solve problems that contain only nonlinear arithmetic assertions. This is will change in future versions.