8.089 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.014 * * * [progress]: [2/2] Setting up program.
0.016 * [progress]: [Phase 2 of 3] Improving.
0.016 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673)
0.018 * * [simplify]: iteration  0 :  19  enodes  (cost  5 )
0.019 * * [simplify]: iteration  1 :  42  enodes  (cost  5 )
0.021 * * [simplify]: iteration  2 :  87  enodes  (cost  5 )
0.023 * * [simplify]: iteration  3 :  175  enodes  (cost  5 )
0.025 * * [simplify]: iteration  4 :  310  enodes  (cost  5 )
0.029 * * [simplify]: iteration  5 :  500  enodes  (cost  5 )
0.033 * * [simplify]: iteration  6 :  720  enodes  (cost  5 )
0.040 * * [simplify]: iteration  7 :  948  enodes  (cost  5 )
0.047 * * [simplify]: iteration  8 :  1148  enodes  (cost  5 )
0.053 * * [simplify]: iteration  9 :  1148  enodes  (cost  5 )
0.053 * [simplify]: Simplified to:
   (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673)
0.053 * * [progress]: iteration 1 / 4
0.054 * * * [progress]: picking best candidate
0.055 * * * * [pick]: Picked  #<alt (λ (x y) (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673))>
0.055 * * * [progress]: localizing error
0.064 * * * [progress]: generating rewritten candidates
0.064 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1 1)
0.070 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.081 * * * [progress]: generating series expansions
0.081 * * * * [progress]: [ 1 / 2 ] generating series at (2 1 1)
0.081 * [approximate]: Taking taylor expansion of (* x (- y 1.0)) in (x y) around 0
0.081 * [taylor]: Taking taylor expansion of (* x (- y 1.0)) in y
0.081 * [taylor]: Taking taylor expansion of x in y
0.081 * [taylor]: Taking taylor expansion of (- y 1.0) in y
0.081 * [taylor]: Taking taylor expansion of y in y
0.081 * [taylor]: Taking taylor expansion of 1.0 in y
0.081 * [taylor]: Taking taylor expansion of (* x (- y 1.0)) in x
0.081 * [taylor]: Taking taylor expansion of x in x
0.081 * [taylor]: Taking taylor expansion of (- y 1.0) in x
0.081 * [taylor]: Taking taylor expansion of y in x
0.081 * [taylor]: Taking taylor expansion of 1.0 in x
0.081 * [taylor]: Taking taylor expansion of (* x (- y 1.0)) in x
0.081 * [taylor]: Taking taylor expansion of x in x
0.081 * [taylor]: Taking taylor expansion of (- y 1.0) in x
0.081 * [taylor]: Taking taylor expansion of y in x
0.081 * [taylor]: Taking taylor expansion of 1.0 in x
0.082 * [taylor]: Taking taylor expansion of 0 in y
0.083 * [taylor]: Taking taylor expansion of (- y 1.0) in y
0.083 * [taylor]: Taking taylor expansion of y in y
0.083 * [taylor]: Taking taylor expansion of 1.0 in y
0.085 * [taylor]: Taking taylor expansion of 0 in y
0.086 * [taylor]: Taking taylor expansion of 0 in y
0.088 * [taylor]: Taking taylor expansion of 0 in y
0.088 * [approximate]: Taking taylor expansion of (/ (- (/ 1 y) 1.0) x) in (x y) around 0
0.089 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) 1.0) x) in y
0.089 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1.0) in y
0.089 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.089 * [taylor]: Taking taylor expansion of y in y
0.089 * [taylor]: Taking taylor expansion of 1.0 in y
0.089 * [taylor]: Taking taylor expansion of x in y
0.089 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) 1.0) x) in x
0.089 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1.0) in x
0.089 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.089 * [taylor]: Taking taylor expansion of y in x
0.089 * [taylor]: Taking taylor expansion of 1.0 in x
0.089 * [taylor]: Taking taylor expansion of x in x
0.090 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) 1.0) x) in x
0.090 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1.0) in x
0.090 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.090 * [taylor]: Taking taylor expansion of y in x
0.090 * [taylor]: Taking taylor expansion of 1.0 in x
0.090 * [taylor]: Taking taylor expansion of x in x
0.091 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1.0) in y
0.091 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.091 * [taylor]: Taking taylor expansion of y in y
0.091 * [taylor]: Taking taylor expansion of 1.0 in y
0.092 * [taylor]: Taking taylor expansion of 0 in y
0.095 * [taylor]: Taking taylor expansion of 0 in y
0.097 * [taylor]: Taking taylor expansion of 0 in y
0.100 * [taylor]: Taking taylor expansion of 0 in y
0.101 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 y) 1.0) x) in (x y) around 0
0.101 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 1.0) x) in y
0.101 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in y
0.101 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.101 * [taylor]: Taking taylor expansion of y in y
0.101 * [taylor]: Taking taylor expansion of 1.0 in y
0.101 * [taylor]: Taking taylor expansion of x in y
0.101 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 1.0) x) in x
0.101 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in x
0.101 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.101 * [taylor]: Taking taylor expansion of y in x
0.101 * [taylor]: Taking taylor expansion of 1.0 in x
0.101 * [taylor]: Taking taylor expansion of x in x
0.102 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 1.0) x) in x
0.102 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in x
0.102 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.102 * [taylor]: Taking taylor expansion of y in x
0.102 * [taylor]: Taking taylor expansion of 1.0 in x
0.102 * [taylor]: Taking taylor expansion of x in x
0.102 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in y
0.102 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.102 * [taylor]: Taking taylor expansion of y in y
0.102 * [taylor]: Taking taylor expansion of 1.0 in y
0.103 * [taylor]: Taking taylor expansion of 0 in y
0.105 * [taylor]: Taking taylor expansion of 0 in y
0.107 * [taylor]: Taking taylor expansion of 0 in y
0.110 * [taylor]: Taking taylor expansion of 0 in y
0.110 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.110 * [approximate]: Taking taylor expansion of (- (+ (* x y) 0.918938533204673) (+ (* 1.0 x) (* 0.5 y))) in (x y) around 0
0.110 * [taylor]: Taking taylor expansion of (- (+ (* x y) 0.918938533204673) (+ (* 1.0 x) (* 0.5 y))) in y
0.110 * [taylor]: Taking taylor expansion of (+ (* x y) 0.918938533204673) in y
0.110 * [taylor]: Taking taylor expansion of (* x y) in y
0.110 * [taylor]: Taking taylor expansion of x in y
0.110 * [taylor]: Taking taylor expansion of y in y
0.110 * [taylor]: Taking taylor expansion of 0.918938533204673 in y
0.110 * [taylor]: Taking taylor expansion of (+ (* 1.0 x) (* 0.5 y)) in y
0.110 * [taylor]: Taking taylor expansion of (* 1.0 x) in y
0.110 * [taylor]: Taking taylor expansion of 1.0 in y
0.110 * [taylor]: Taking taylor expansion of x in y
0.110 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.110 * [taylor]: Taking taylor expansion of 0.5 in y
0.110 * [taylor]: Taking taylor expansion of y in y
0.110 * [taylor]: Taking taylor expansion of (- (+ (* x y) 0.918938533204673) (+ (* 1.0 x) (* 0.5 y))) in x
0.110 * [taylor]: Taking taylor expansion of (+ (* x y) 0.918938533204673) in x
0.110 * [taylor]: Taking taylor expansion of (* x y) in x
0.110 * [taylor]: Taking taylor expansion of x in x
0.110 * [taylor]: Taking taylor expansion of y in x
0.110 * [taylor]: Taking taylor expansion of 0.918938533204673 in x
0.110 * [taylor]: Taking taylor expansion of (+ (* 1.0 x) (* 0.5 y)) in x
0.110 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.110 * [taylor]: Taking taylor expansion of 1.0 in x
0.110 * [taylor]: Taking taylor expansion of x in x
0.110 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.110 * [taylor]: Taking taylor expansion of 0.5 in x
0.110 * [taylor]: Taking taylor expansion of y in x
0.110 * [taylor]: Taking taylor expansion of (- (+ (* x y) 0.918938533204673) (+ (* 1.0 x) (* 0.5 y))) in x
0.111 * [taylor]: Taking taylor expansion of (+ (* x y) 0.918938533204673) in x
0.111 * [taylor]: Taking taylor expansion of (* x y) in x
0.111 * [taylor]: Taking taylor expansion of x in x
0.111 * [taylor]: Taking taylor expansion of y in x
0.111 * [taylor]: Taking taylor expansion of 0.918938533204673 in x
0.111 * [taylor]: Taking taylor expansion of (+ (* 1.0 x) (* 0.5 y)) in x
0.111 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.111 * [taylor]: Taking taylor expansion of 1.0 in x
0.111 * [taylor]: Taking taylor expansion of x in x
0.111 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.111 * [taylor]: Taking taylor expansion of 0.5 in x
0.111 * [taylor]: Taking taylor expansion of y in x
0.111 * [taylor]: Taking taylor expansion of (- 0.918938533204673 (* 0.5 y)) in y
0.111 * [taylor]: Taking taylor expansion of 0.918938533204673 in y
0.111 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.111 * [taylor]: Taking taylor expansion of 0.5 in y
0.111 * [taylor]: Taking taylor expansion of y in y
0.114 * [taylor]: Taking taylor expansion of (- y 1.0) in y
0.114 * [taylor]: Taking taylor expansion of y in y
0.114 * [taylor]: Taking taylor expansion of 1.0 in y
0.118 * [approximate]: Taking taylor expansion of (- (+ 0.918938533204673 (/ 1 (* x y))) (+ (* 0.5 (/ 1 y)) (* 1.0 (/ 1 x)))) in (x y) around 0
0.118 * [taylor]: Taking taylor expansion of (- (+ 0.918938533204673 (/ 1 (* x y))) (+ (* 0.5 (/ 1 y)) (* 1.0 (/ 1 x)))) in y
0.118 * [taylor]: Taking taylor expansion of (+ 0.918938533204673 (/ 1 (* x y))) in y
0.118 * [taylor]: Taking taylor expansion of 0.918938533204673 in y
0.118 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.118 * [taylor]: Taking taylor expansion of (* x y) in y
0.118 * [taylor]: Taking taylor expansion of x in y
0.118 * [taylor]: Taking taylor expansion of y in y
0.118 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 1.0 (/ 1 x))) in y
0.118 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.118 * [taylor]: Taking taylor expansion of 0.5 in y
0.118 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.118 * [taylor]: Taking taylor expansion of y in y
0.118 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in y
0.118 * [taylor]: Taking taylor expansion of 1.0 in y
0.118 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.118 * [taylor]: Taking taylor expansion of x in y
0.119 * [taylor]: Taking taylor expansion of (- (+ 0.918938533204673 (/ 1 (* x y))) (+ (* 0.5 (/ 1 y)) (* 1.0 (/ 1 x)))) in x
0.119 * [taylor]: Taking taylor expansion of (+ 0.918938533204673 (/ 1 (* x y))) in x
0.119 * [taylor]: Taking taylor expansion of 0.918938533204673 in x
0.119 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.119 * [taylor]: Taking taylor expansion of (* x y) in x
0.119 * [taylor]: Taking taylor expansion of x in x
0.119 * [taylor]: Taking taylor expansion of y in x
0.119 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 1.0 (/ 1 x))) in x
0.119 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.119 * [taylor]: Taking taylor expansion of 0.5 in x
0.119 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.119 * [taylor]: Taking taylor expansion of y in x
0.119 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.119 * [taylor]: Taking taylor expansion of 1.0 in x
0.119 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.119 * [taylor]: Taking taylor expansion of x in x
0.119 * [taylor]: Taking taylor expansion of (- (+ 0.918938533204673 (/ 1 (* x y))) (+ (* 0.5 (/ 1 y)) (* 1.0 (/ 1 x)))) in x
0.119 * [taylor]: Taking taylor expansion of (+ 0.918938533204673 (/ 1 (* x y))) in x
0.119 * [taylor]: Taking taylor expansion of 0.918938533204673 in x
0.119 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.119 * [taylor]: Taking taylor expansion of (* x y) in x
0.119 * [taylor]: Taking taylor expansion of x in x
0.119 * [taylor]: Taking taylor expansion of y in x
0.120 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 1.0 (/ 1 x))) in x
0.120 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.120 * [taylor]: Taking taylor expansion of 0.5 in x
0.120 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.120 * [taylor]: Taking taylor expansion of y in x
0.120 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.120 * [taylor]: Taking taylor expansion of 1.0 in x
0.120 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.120 * [taylor]: Taking taylor expansion of x in x
0.121 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1.0) in y
0.121 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.121 * [taylor]: Taking taylor expansion of y in y
0.122 * [taylor]: Taking taylor expansion of 1.0 in y
0.124 * [taylor]: Taking taylor expansion of (- 0.918938533204673 (* 0.5 (/ 1 y))) in y
0.124 * [taylor]: Taking taylor expansion of 0.918938533204673 in y
0.124 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.124 * [taylor]: Taking taylor expansion of 0.5 in y
0.124 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.124 * [taylor]: Taking taylor expansion of y in y
0.127 * [approximate]: Taking taylor expansion of (+ 0.918938533204673 (+ (/ 1 (* x y)) (+ (* 0.5 (/ 1 y)) (* 1.0 (/ 1 x))))) in (x y) around 0
0.127 * [taylor]: Taking taylor expansion of (+ 0.918938533204673 (+ (/ 1 (* x y)) (+ (* 0.5 (/ 1 y)) (* 1.0 (/ 1 x))))) in y
0.127 * [taylor]: Taking taylor expansion of 0.918938533204673 in y
0.127 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (+ (* 0.5 (/ 1 y)) (* 1.0 (/ 1 x)))) in y
0.127 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.127 * [taylor]: Taking taylor expansion of (* x y) in y
0.127 * [taylor]: Taking taylor expansion of x in y
0.127 * [taylor]: Taking taylor expansion of y in y
0.128 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 1.0 (/ 1 x))) in y
0.128 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.128 * [taylor]: Taking taylor expansion of 0.5 in y
0.128 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.128 * [taylor]: Taking taylor expansion of y in y
0.128 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in y
0.128 * [taylor]: Taking taylor expansion of 1.0 in y
0.128 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.128 * [taylor]: Taking taylor expansion of x in y
0.128 * [taylor]: Taking taylor expansion of (+ 0.918938533204673 (+ (/ 1 (* x y)) (+ (* 0.5 (/ 1 y)) (* 1.0 (/ 1 x))))) in x
0.128 * [taylor]: Taking taylor expansion of 0.918938533204673 in x
0.128 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (+ (* 0.5 (/ 1 y)) (* 1.0 (/ 1 x)))) in x
0.128 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.128 * [taylor]: Taking taylor expansion of (* x y) in x
0.128 * [taylor]: Taking taylor expansion of x in x
0.128 * [taylor]: Taking taylor expansion of y in x
0.129 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 1.0 (/ 1 x))) in x
0.129 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.129 * [taylor]: Taking taylor expansion of 0.5 in x
0.129 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.129 * [taylor]: Taking taylor expansion of y in x
0.129 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.129 * [taylor]: Taking taylor expansion of 1.0 in x
0.129 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.129 * [taylor]: Taking taylor expansion of x in x
0.129 * [taylor]: Taking taylor expansion of (+ 0.918938533204673 (+ (/ 1 (* x y)) (+ (* 0.5 (/ 1 y)) (* 1.0 (/ 1 x))))) in x
0.129 * [taylor]: Taking taylor expansion of 0.918938533204673 in x
0.129 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (+ (* 0.5 (/ 1 y)) (* 1.0 (/ 1 x)))) in x
0.129 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.129 * [taylor]: Taking taylor expansion of (* x y) in x
0.129 * [taylor]: Taking taylor expansion of x in x
0.129 * [taylor]: Taking taylor expansion of y in x
0.130 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 1.0 (/ 1 x))) in x
0.130 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.130 * [taylor]: Taking taylor expansion of 0.5 in x
0.130 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.130 * [taylor]: Taking taylor expansion of y in x
0.130 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.130 * [taylor]: Taking taylor expansion of 1.0 in x
0.130 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.130 * [taylor]: Taking taylor expansion of x in x
0.131 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in y
0.131 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.131 * [taylor]: Taking taylor expansion of y in y
0.131 * [taylor]: Taking taylor expansion of 1.0 in y
0.133 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) 0.918938533204673) in y
0.133 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.133 * [taylor]: Taking taylor expansion of 0.5 in y
0.133 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.133 * [taylor]: Taking taylor expansion of y in y
0.133 * [taylor]: Taking taylor expansion of 0.918938533204673 in y
0.134 * * * [progress]: simplifying candidates
0.135 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* x (- y 1.0))
  (+ (log x) (log (- y 1.0)))
  (log (* x (- y 1.0)))
  (exp (* x (- y 1.0)))
  (* (* (* x x) x) (* (* (- y 1.0) (- y 1.0)) (- y 1.0)))
  (* (cbrt (* x (- y 1.0))) (cbrt (* x (- y 1.0))))
  (cbrt (* x (- y 1.0)))
  (* (* (* x (- y 1.0)) (* x (- y 1.0))) (* x (- y 1.0)))
  (sqrt (* x (- y 1.0)))
  (sqrt (* x (- y 1.0)))
  (* (sqrt x) (sqrt (- y 1.0)))
  (* (sqrt x) (sqrt (- y 1.0)))
  (* x y)
  (* x (- 1.0))
  (* x y)
  (* x (- 1.0))
  (* y x)
  (* (- 1.0) x)
  (* y x)
  (* (- 1.0) x)
  (* x (* (cbrt (- y 1.0)) (cbrt (- y 1.0))))
  (* x (sqrt (- y 1.0)))
  (* x 1)
  (* x (+ (sqrt y) (sqrt 1.0)))
  (* x 1)
  (* (cbrt x) (- y 1.0))
  (* (sqrt x) (- y 1.0))
  (* x (- y 1.0))
  (* x (- (pow y 3) (pow 1.0 3)))
  (* x (- (* y y) (* 1.0 1.0)))
  (* (/ (exp (* x (- y 1.0))) (exp (* y 0.5))) (exp 0.918938533204673))
  (* (exp (- (* x (- y 1.0)) (* y 0.5))) (exp 0.918938533204673))
  (log (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673))
  (exp (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673))
  (* (cbrt (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673)) (cbrt (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673)))
  (cbrt (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673))
  (* (* (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673) (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673)) (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673))
  (sqrt (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673))
  (sqrt (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673))
  (+ (pow (- (* x (- y 1.0)) (* y 0.5)) 3) (pow 0.918938533204673 3))
  (+ (* (- (* x (- y 1.0)) (* y 0.5)) (- (* x (- y 1.0)) (* y 0.5))) (- (* 0.918938533204673 0.918938533204673) (* (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673)))
  (- (* (- (* x (- y 1.0)) (* y 0.5)) (- (* x (- y 1.0)) (* y 0.5))) (* 0.918938533204673 0.918938533204673))
  (- (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673)
  (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673)
  (+ (- (* y 0.5)) 0.918938533204673)
  (+ (- (* x (- 1.0)) (* y 0.5)) 0.918938533204673)
  (+ (- (* x (- 1.0)) (* y 0.5)) 0.918938533204673)
  (+ (- (* (- 1.0) x) (* y 0.5)) 0.918938533204673)
  (+ (- (* (- 1.0) x) (* y 0.5)) 0.918938533204673)
  (+ (- (* y 0.5)) 0.918938533204673)
  (- (* y 0.5) 0.918938533204673)
  (- (* x y) (* 1.0 x))
  (- (* x y) (* 1.0 x))
  (- (* x y) (* 1.0 x))
  (- 0.918938533204673 (+ (* 1.0 x) (* 0.5 y)))
  (- (* x y) (+ (* 1.0 x) (* 0.5 y)))
  (- (* x y) (+ (* 1.0 x) (* 0.5 y)))
0.139 * * [simplify]: iteration  0 :  216  enodes  (cost  259 )
0.143 * * [simplify]: iteration  1 :  705  enodes  (cost  227 )
0.156 * * [simplify]: iteration  2 :  2978  enodes  (cost  224 )
0.202 * * [simplify]: iteration  3 :  5001  enodes  (cost  224 )
0.203 * [simplify]: Simplified to:
   (* x (- y 1.0))
  (log (* x (- y 1.0)))
  (log (* x (- y 1.0)))
  (exp (* x (- y 1.0)))
  (pow (* x (- y 1.0)) 3)
  (* (cbrt (* x (- y 1.0))) (cbrt (* x (- y 1.0))))
  (cbrt (* x (- y 1.0)))
  (pow (* x (- y 1.0)) 3)
  (sqrt (* x (- y 1.0)))
  (sqrt (* x (- y 1.0)))
  (* (sqrt x) (sqrt (- y 1.0)))
  (* (sqrt x) (sqrt (- y 1.0)))
  (* x y)
  (* x (- 1.0))
  (* x y)
  (* x (- 1.0))
  (* x y)
  (* x (- 1.0))
  (* x y)
  (* x (- 1.0))
  (* x (* (cbrt (- y 1.0)) (cbrt (- y 1.0))))
  (* x (sqrt (- y 1.0)))
  x
  (* x (+ (sqrt y) (sqrt 1.0)))
  x
  (* (cbrt x) (- y 1.0))
  (* (sqrt x) (- y 1.0))
  (* x (- y 1.0))
  (* x (- (pow y 3) (pow 1.0 3)))
  (* x (- (* y y) (* 1.0 1.0)))
  (exp (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673))
  (exp (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673))
  (log (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673))
  (exp (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673))
  (* (cbrt (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673)) (cbrt (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673)))
  (cbrt (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673))
  (pow (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673) 3)
  (sqrt (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673))
  (sqrt (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673))
  (+ (pow (- (* x (- y 1.0)) (* y 0.5)) 3) (pow 0.918938533204673 3))
  (+ (* 0.918938533204673 0.918938533204673) (- (* (- (* x (- y 1.0)) (* y 0.5)) (- 0.918938533204673 (- (* x (- y 1.0)) (* y 0.5))))))
  (- (* (- (* x (- y 1.0)) (* y 0.5)) (- (* x (- y 1.0)) (* y 0.5))) (* 0.918938533204673 0.918938533204673))
  (- (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673)
  (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673)
  (- 0.918938533204673 (* y 0.5))
  (- 0.918938533204673 (+ (* 1.0 x) (* 0.5 y)))
  (- 0.918938533204673 (+ (* 1.0 x) (* 0.5 y)))
  (- 0.918938533204673 (+ (* 1.0 x) (* 0.5 y)))
  (- 0.918938533204673 (+ (* 1.0 x) (* 0.5 y)))
  (- 0.918938533204673 (* y 0.5))
  (- (* y 0.5) 0.918938533204673)
  (* x (- y 1.0))
  (* x (- y 1.0))
  (* x (- y 1.0))
  (- 0.918938533204673 (+ (* 1.0 x) (* 0.5 y)))
  (- (* x (- y 1.0)) (* y 0.5))
  (- (* x (- y 1.0)) (* y 0.5))
0.204 * * * [progress]: adding candidates to table
0.274 * * [progress]: iteration 2 / 4
0.275 * * * [progress]: picking best candidate
0.276 * * * * [pick]: Picked  #<alt (λ (x y) (+ (* x y) (- 0.918938533204673 (+ (* 1.0 x) (* 0.5 y)))))>
0.276 * * * [progress]: localizing error
0.284 * * * [progress]: generating rewritten candidates
0.284 * * * [progress]: generating series expansions
0.284 * * * [progress]: simplifying candidates
0.284 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.286 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.286 * [simplify]: Simplified to:
   
0.286 * * * [progress]: adding candidates to table
0.286 * [progress]: [Phase 3 of 3] Extracting.
0.288 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (* x y) (- 0.918938533204673 (+ (* 1.0 x) (* 0.5 y))))
0.288 * * [simplify]: iteration  0 :  16  enodes  (cost  6 )
0.288 * * [simplify]: iteration  1 :  16  enodes  (cost  6 )
0.289 * [simplify]: Simplified to:
   (+ (* x y) (- 0.918938533204673 (+ (* 1.0 x) (* 0.5 y))))
0.726 * [regime-testing]: End program error score: 0.008437536329082344