; EXPECT: unsat
; COMMAND-LINE: --lang=sygus2 --sygus-out=status

(set-logic LIA)

(synth-fun f ((x Int) (y Int)) Int)

(declare-var x Int)
(declare-var y Int)

(constraint (= (f x y) (+ (f x x) (f y y) x 1)))

(check-synth)