23.745 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.014 * * * [progress]: [2/2] Setting up program.
0.015 * [progress]: [Phase 2 of 3] Improving.
0.015 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673)
0.017 * * [simplify]: iteration  0 :  19  enodes  (cost  5 )
0.019 * * [simplify]: iteration  1 :  42  enodes  (cost  5 )
0.020 * * [simplify]: iteration  2 :  87  enodes  (cost  5 )
0.022 * * [simplify]: iteration  3 :  175  enodes  (cost  5 )
0.025 * * [simplify]: iteration  4 :  310  enodes  (cost  5 )
0.028 * * [simplify]: iteration  5 :  500  enodes  (cost  5 )
0.033 * * [simplify]: iteration  6 :  720  enodes  (cost  5 )
0.039 * * [simplify]: iteration  7 :  948  enodes  (cost  5 )
0.046 * * [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
0.053 * * * [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 / 1 ] rewriting at (2 1)
0.070 * * * [progress]: generating series expansions
0.070 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.071 * [approximate]: Taking taylor expansion of (- (* x y) (+ (* 1.0 x) (* 0.5 y))) in (x y) around 0
0.071 * [taylor]: Taking taylor expansion of (- (* x y) (+ (* 1.0 x) (* 0.5 y))) in y
0.071 * [taylor]: Taking taylor expansion of (* x y) in y
0.071 * [taylor]: Taking taylor expansion of x in y
0.071 * [taylor]: Taking taylor expansion of y in y
0.071 * [taylor]: Taking taylor expansion of (+ (* 1.0 x) (* 0.5 y)) in y
0.071 * [taylor]: Taking taylor expansion of (* 1.0 x) in y
0.071 * [taylor]: Taking taylor expansion of 1.0 in y
0.071 * [taylor]: Taking taylor expansion of x in y
0.071 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.071 * [taylor]: Taking taylor expansion of 0.5 in y
0.071 * [taylor]: Taking taylor expansion of y in y
0.071 * [taylor]: Taking taylor expansion of (- (* x y) (+ (* 1.0 x) (* 0.5 y))) in x
0.071 * [taylor]: Taking taylor expansion of (* x y) in x
0.071 * [taylor]: Taking taylor expansion of x in x
0.071 * [taylor]: Taking taylor expansion of y in x
0.071 * [taylor]: Taking taylor expansion of (+ (* 1.0 x) (* 0.5 y)) in x
0.071 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.071 * [taylor]: Taking taylor expansion of 1.0 in x
0.071 * [taylor]: Taking taylor expansion of x in x
0.071 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.071 * [taylor]: Taking taylor expansion of 0.5 in x
0.071 * [taylor]: Taking taylor expansion of y in x
0.071 * [taylor]: Taking taylor expansion of (- (* x y) (+ (* 1.0 x) (* 0.5 y))) in x
0.071 * [taylor]: Taking taylor expansion of (* x y) in x
0.071 * [taylor]: Taking taylor expansion of x in x
0.071 * [taylor]: Taking taylor expansion of y in x
0.071 * [taylor]: Taking taylor expansion of (+ (* 1.0 x) (* 0.5 y)) in x
0.071 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.071 * [taylor]: Taking taylor expansion of 1.0 in x
0.071 * [taylor]: Taking taylor expansion of x in x
0.071 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.071 * [taylor]: Taking taylor expansion of 0.5 in x
0.071 * [taylor]: Taking taylor expansion of y in x
0.072 * [taylor]: Taking taylor expansion of (- (* 0.5 y)) in y
0.072 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.072 * [taylor]: Taking taylor expansion of 0.5 in y
0.072 * [taylor]: Taking taylor expansion of y in y
0.075 * [taylor]: Taking taylor expansion of (- y 1.0) in y
0.075 * [taylor]: Taking taylor expansion of y in y
0.075 * [taylor]: Taking taylor expansion of 1.0 in y
0.079 * [taylor]: Taking taylor expansion of 0 in y
0.080 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (* 0.5 (/ 1 y)) (* 1.0 (/ 1 x)))) in (x y) around 0
0.080 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (* 0.5 (/ 1 y)) (* 1.0 (/ 1 x)))) in y
0.080 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.080 * [taylor]: Taking taylor expansion of (* x y) in y
0.080 * [taylor]: Taking taylor expansion of x in y
0.080 * [taylor]: Taking taylor expansion of y in y
0.081 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 1.0 (/ 1 x))) in y
0.081 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.081 * [taylor]: Taking taylor expansion of 0.5 in y
0.081 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.081 * [taylor]: Taking taylor expansion of y in y
0.081 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in y
0.081 * [taylor]: Taking taylor expansion of 1.0 in y
0.081 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.081 * [taylor]: Taking taylor expansion of x in y
0.081 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (* 0.5 (/ 1 y)) (* 1.0 (/ 1 x)))) in x
0.081 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.081 * [taylor]: Taking taylor expansion of (* x y) in x
0.081 * [taylor]: Taking taylor expansion of x in x
0.081 * [taylor]: Taking taylor expansion of y in x
0.081 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 1.0 (/ 1 x))) in x
0.082 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.082 * [taylor]: Taking taylor expansion of 0.5 in x
0.082 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.082 * [taylor]: Taking taylor expansion of y in x
0.082 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.082 * [taylor]: Taking taylor expansion of 1.0 in x
0.082 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.082 * [taylor]: Taking taylor expansion of x in x
0.082 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (* 0.5 (/ 1 y)) (* 1.0 (/ 1 x)))) in x
0.082 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.082 * [taylor]: Taking taylor expansion of (* x y) in x
0.082 * [taylor]: Taking taylor expansion of x in x
0.082 * [taylor]: Taking taylor expansion of y in x
0.082 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 1.0 (/ 1 x))) in x
0.082 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.082 * [taylor]: Taking taylor expansion of 0.5 in x
0.082 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.082 * [taylor]: Taking taylor expansion of y in x
0.082 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.082 * [taylor]: Taking taylor expansion of 1.0 in x
0.082 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.082 * [taylor]: Taking taylor expansion of x in x
0.084 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1.0) in y
0.084 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.084 * [taylor]: Taking taylor expansion of y in y
0.084 * [taylor]: Taking taylor expansion of 1.0 in y
0.086 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in y
0.086 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.086 * [taylor]: Taking taylor expansion of 0.5 in y
0.086 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.086 * [taylor]: Taking taylor expansion of y in y
0.089 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (+ (* 1.0 (/ 1 x)) (/ 1 (* x y)))) in (x y) around 0
0.089 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (+ (* 1.0 (/ 1 x)) (/ 1 (* x y)))) in y
0.089 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.089 * [taylor]: Taking taylor expansion of 0.5 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 (/ 1 x)) (/ 1 (* x y))) in y
0.089 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in y
0.089 * [taylor]: Taking taylor expansion of 1.0 in y
0.089 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.089 * [taylor]: Taking taylor expansion of x in y
0.089 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.089 * [taylor]: Taking taylor expansion of (* x y) in y
0.089 * [taylor]: Taking taylor expansion of x in y
0.089 * [taylor]: Taking taylor expansion of y in y
0.090 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (+ (* 1.0 (/ 1 x)) (/ 1 (* x y)))) in x
0.090 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.090 * [taylor]: Taking taylor expansion of 0.5 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 (/ 1 x)) (/ 1 (* x y))) in x
0.090 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.090 * [taylor]: Taking taylor expansion of 1.0 in x
0.090 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.090 * [taylor]: Taking taylor expansion of x in x
0.090 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.090 * [taylor]: Taking taylor expansion of (* x y) in x
0.090 * [taylor]: Taking taylor expansion of x in x
0.090 * [taylor]: Taking taylor expansion of y in x
0.091 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (+ (* 1.0 (/ 1 x)) (/ 1 (* x y)))) in x
0.091 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.091 * [taylor]: Taking taylor expansion of 0.5 in x
0.091 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.091 * [taylor]: Taking taylor expansion of y in x
0.091 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 x)) (/ 1 (* x y))) in x
0.091 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.091 * [taylor]: Taking taylor expansion of 1.0 in x
0.091 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.091 * [taylor]: Taking taylor expansion of x in x
0.091 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.091 * [taylor]: Taking taylor expansion of (* x y) in x
0.091 * [taylor]: Taking taylor expansion of x in x
0.091 * [taylor]: Taking taylor expansion of y in x
0.092 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in y
0.092 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.092 * [taylor]: Taking taylor expansion of y in y
0.092 * [taylor]: Taking taylor expansion of 1.0 in y
0.094 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.094 * [taylor]: Taking taylor expansion of 0.5 in y
0.094 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.094 * [taylor]: Taking taylor expansion of y in y
0.095 * * * [progress]: simplifying candidates
0.096 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (exp (* x (- y 1.0))) (exp (* y 0.5)))
  (log (- (* x (- y 1.0)) (* y 0.5)))
  (exp (- (* x (- y 1.0)) (* y 0.5)))
  (* (cbrt (- (* x (- y 1.0)) (* y 0.5))) (cbrt (- (* x (- y 1.0)) (* y 0.5))))
  (cbrt (- (* x (- y 1.0)) (* y 0.5)))
  (* (* (- (* x (- y 1.0)) (* y 0.5)) (- (* x (- y 1.0)) (* y 0.5))) (- (* x (- y 1.0)) (* y 0.5)))
  (sqrt (- (* x (- y 1.0)) (* y 0.5)))
  (sqrt (- (* x (- y 1.0)) (* y 0.5)))
  (- (pow (* x (- y 1.0)) 3) (pow (* y 0.5) 3))
  (+ (* (* x (- y 1.0)) (* x (- y 1.0))) (+ (* (* y 0.5) (* y 0.5)) (* (* x (- y 1.0)) (* y 0.5))))
  (- (* y 0.5))
  (- (* (* x (- y 1.0)) (* x (- y 1.0))) (* (* y 0.5) (* y 0.5)))
  (+ (* x (- y 1.0)) (* y 0.5))
  (- (* x (- 1.0)) (* y 0.5))
  (- (* x (- 1.0)) (* y 0.5))
  (- (* (- 1.0) x) (* y 0.5))
  (- (* (- 1.0) x) (* y 0.5))
  (- (* y 0.5))
  (- (* x y) (+ (* 1.0 x) (* 0.5 y)))
  (- (* x y) (+ (* 1.0 x) (* 0.5 y)))
  (- (* x y) (+ (* 1.0 x) (* 0.5 y)))
0.099 * * [simplify]: iteration  0 :  109  enodes  (cost  121 )
0.101 * * [simplify]: iteration  1 :  321  enodes  (cost  109 )
0.108 * * [simplify]: iteration  2 :  1304  enodes  (cost  108 )
0.135 * * [simplify]: iteration  3 :  5001  enodes  (cost  108 )
0.136 * [simplify]: Simplified to:
   (exp (- (* x (- y 1.0)) (* y 0.5)))
  (log (- (* x (- y 1.0)) (* y 0.5)))
  (exp (- (* x (- y 1.0)) (* y 0.5)))
  (* (cbrt (- (* x (- y 1.0)) (* y 0.5))) (cbrt (- (* x (- y 1.0)) (* y 0.5))))
  (cbrt (- (* x (- y 1.0)) (* y 0.5)))
  (pow (- (* x (- y 1.0)) (* y 0.5)) 3)
  (sqrt (- (* x (- y 1.0)) (* y 0.5)))
  (sqrt (- (* x (- y 1.0)) (* y 0.5)))
  (- (pow (* x (- y 1.0)) 3) (pow (* y 0.5) 3))
  (+ (* (* x (- y 1.0)) (+ (* x (- y 1.0)) (* y 0.5))) (* (* y 0.5) (* y 0.5)))
  (- (* y 0.5))
  (- (* (* x (- y 1.0)) (* x (- y 1.0))) (* (* y 0.5) (* y 0.5)))
  (+ (* x (- y 1.0)) (* y 0.5))
  (- (* (- 1.0) x) (* y 0.5))
  (- (* (- 1.0) x) (* y 0.5))
  (- (* (- 1.0) x) (* y 0.5))
  (- (* (- 1.0) x) (* y 0.5))
  (- (* y 0.5))
  (- (* x (- y 1.0)) (* y 0.5))
  (- (* x (- y 1.0)) (* y 0.5))
  (- (* x (- y 1.0)) (* y 0.5))
0.136 * * * [progress]: adding candidates to table
0.167 * [progress]: [Phase 3 of 3] Extracting.
0.168 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673)
0.169 * * [simplify]: iteration  0 :  13  enodes  (cost  5 )
0.169 * * [simplify]: iteration  1 :  13  enodes  (cost  5 )
0.169 * [simplify]: Simplified to:
   (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673)
0.580 * [regime-testing]: End program error score: 0.00963713749734346