5.297 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.015 * * * [progress]: [2/2] Setting up program.
0.017 * [progress]: [Phase 2 of 3] Improving.
0.017 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673)
0.019 * * [simplify]: iteration  0 :  20  enodes  (cost  5 )
0.021 * * [simplify]: iteration  1 :  48  enodes  (cost  5 )
0.022 * * [simplify]: iteration  2 :  105  enodes  (cost  5 )
0.024 * * [simplify]: iteration  3 :  224  enodes  (cost  5 )
0.027 * * [simplify]: iteration  4 :  418  enodes  (cost  4 )
0.032 * * [simplify]: iteration  5 :  681  enodes  (cost  4 )
0.037 * * [simplify]: iteration  6 :  970  enodes  (cost  4 )
0.046 * * [simplify]: iteration  7 :  1398  enodes  (cost  4 )
0.054 * * [simplify]: iteration  8 :  1987  enodes  (cost  4 )
0.063 * * [simplify]: iteration  9 :  1991  enodes  (cost  4 )
0.071 * * [simplify]: iteration  10 :  1991  enodes  (cost  4 )
0.072 * [simplify]: Simplified to:
   (- (fma y x 0.918938533204673) (fma x 1.0 (* y 0.5)))
0.075 * * [progress]: iteration 1 / 4
0.075 * * * [progress]: picking best candidate
0.078 * * * * [pick]: Picked  #<alt (λ (x y) (- (fma y x 0.918938533204673) (fma x 1.0 (* y 0.5))))>
0.078 * * * [progress]: localizing error
0.090 * * * [progress]: generating rewritten candidates
0.090 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.092 * * * [progress]: generating series expansions
0.092 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.092 * [approximate]: Taking taylor expansion of (- (fma y x 0.918938533204673) (fma x 1.0 (* 0.5 y))) in (y x) around 0
0.092 * [taylor]: Taking taylor expansion of (- (fma y x 0.918938533204673) (fma x 1.0 (* 0.5 y))) in x
0.092 * [taylor]: Taking taylor expansion of (fma y x 0.918938533204673) in x
0.092 * [taylor]: Rewrote expression to (+ (* y x) 0.918938533204673)
0.092 * [taylor]: Taking taylor expansion of (* y x) in x
0.092 * [taylor]: Taking taylor expansion of y in x
0.092 * [taylor]: Taking taylor expansion of x in x
0.092 * [taylor]: Taking taylor expansion of 0.918938533204673 in x
0.092 * [taylor]: Taking taylor expansion of (fma x 1.0 (* 0.5 y)) in x
0.093 * [taylor]: Rewrote expression to (+ (* x 1.0) (* 0.5 y))
0.093 * [taylor]: Taking taylor expansion of (* x 1.0) in x
0.093 * [taylor]: Taking taylor expansion of x in x
0.093 * [taylor]: Taking taylor expansion of 1.0 in x
0.093 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.093 * [taylor]: Taking taylor expansion of 0.5 in x
0.093 * [taylor]: Taking taylor expansion of y in x
0.093 * [taylor]: Taking taylor expansion of (- (fma y x 0.918938533204673) (fma x 1.0 (* 0.5 y))) in y
0.093 * [taylor]: Taking taylor expansion of (fma y x 0.918938533204673) in y
0.093 * [taylor]: Rewrote expression to (+ (* y x) 0.918938533204673)
0.093 * [taylor]: Taking taylor expansion of (* y x) in y
0.093 * [taylor]: Taking taylor expansion of y in y
0.093 * [taylor]: Taking taylor expansion of x in y
0.093 * [taylor]: Taking taylor expansion of 0.918938533204673 in y
0.093 * [taylor]: Taking taylor expansion of (fma x 1.0 (* 0.5 y)) in y
0.093 * [taylor]: Rewrote expression to (+ (* x 1.0) (* 0.5 y))
0.093 * [taylor]: Taking taylor expansion of (* x 1.0) in y
0.093 * [taylor]: Taking taylor expansion of x in y
0.093 * [taylor]: Taking taylor expansion of 1.0 in y
0.093 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.093 * [taylor]: Taking taylor expansion of 0.5 in y
0.093 * [taylor]: Taking taylor expansion of y in y
0.093 * [taylor]: Taking taylor expansion of (- (fma y x 0.918938533204673) (fma x 1.0 (* 0.5 y))) in y
0.093 * [taylor]: Taking taylor expansion of (fma y x 0.918938533204673) in y
0.093 * [taylor]: Rewrote expression to (+ (* y x) 0.918938533204673)
0.093 * [taylor]: Taking taylor expansion of (* y x) in y
0.093 * [taylor]: Taking taylor expansion of y in y
0.093 * [taylor]: Taking taylor expansion of x in y
0.094 * [taylor]: Taking taylor expansion of 0.918938533204673 in y
0.094 * [taylor]: Taking taylor expansion of (fma x 1.0 (* 0.5 y)) in y
0.094 * [taylor]: Rewrote expression to (+ (* x 1.0) (* 0.5 y))
0.094 * [taylor]: Taking taylor expansion of (* x 1.0) in y
0.094 * [taylor]: Taking taylor expansion of x in y
0.094 * [taylor]: Taking taylor expansion of 1.0 in y
0.094 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.094 * [taylor]: Taking taylor expansion of 0.5 in y
0.094 * [taylor]: Taking taylor expansion of y in y
0.095 * [taylor]: Taking taylor expansion of (- 0.918938533204673 (* 1.0 x)) in x
0.095 * [taylor]: Taking taylor expansion of 0.918938533204673 in x
0.095 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.095 * [taylor]: Taking taylor expansion of 1.0 in x
0.095 * [taylor]: Taking taylor expansion of x in x
0.098 * [taylor]: Taking taylor expansion of (- x 0.5) in x
0.098 * [taylor]: Taking taylor expansion of x in x
0.098 * [taylor]: Taking taylor expansion of 0.5 in x
0.101 * [approximate]: Taking taylor expansion of (- (fma (/ 1 y) (/ 1 x) 0.918938533204673) (fma (/ 1 x) 1.0 (/ 0.5 y))) in (y x) around 0
0.101 * [taylor]: Taking taylor expansion of (- (fma (/ 1 y) (/ 1 x) 0.918938533204673) (fma (/ 1 x) 1.0 (/ 0.5 y))) in x
0.101 * [taylor]: Taking taylor expansion of (fma (/ 1 y) (/ 1 x) 0.918938533204673) in x
0.102 * [taylor]: Rewrote expression to (+ (* (/ 1 y) (/ 1 x)) 0.918938533204673)
0.102 * [taylor]: Taking taylor expansion of (* (/ 1 y) (/ 1 x)) 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 x) in x
0.102 * [taylor]: Taking taylor expansion of x in x
0.102 * [taylor]: Taking taylor expansion of 0.918938533204673 in x
0.102 * [taylor]: Taking taylor expansion of (fma (/ 1 x) 1.0 (/ 0.5 y)) in x
0.102 * [taylor]: Rewrote expression to (+ (* (/ 1 x) 1.0) (/ 0.5 y))
0.102 * [taylor]: Taking taylor expansion of (* (/ 1 x) 1.0) in x
0.102 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.102 * [taylor]: Taking taylor expansion of x in x
0.102 * [taylor]: Taking taylor expansion of 1.0 in x
0.102 * [taylor]: Taking taylor expansion of (/ 0.5 y) in x
0.102 * [taylor]: Taking taylor expansion of 0.5 in x
0.102 * [taylor]: Taking taylor expansion of y in x
0.103 * [taylor]: Taking taylor expansion of (- (fma (/ 1 y) (/ 1 x) 0.918938533204673) (fma (/ 1 x) 1.0 (/ 0.5 y))) in y
0.103 * [taylor]: Taking taylor expansion of (fma (/ 1 y) (/ 1 x) 0.918938533204673) in y
0.103 * [taylor]: Rewrote expression to (+ (* (/ 1 y) (/ 1 x)) 0.918938533204673)
0.103 * [taylor]: Taking taylor expansion of (* (/ 1 y) (/ 1 x)) in y
0.103 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.103 * [taylor]: Taking taylor expansion of y in y
0.103 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.103 * [taylor]: Taking taylor expansion of x in y
0.103 * [taylor]: Taking taylor expansion of 0.918938533204673 in y
0.103 * [taylor]: Taking taylor expansion of (fma (/ 1 x) 1.0 (/ 0.5 y)) in y
0.103 * [taylor]: Rewrote expression to (+ (* (/ 1 x) 1.0) (/ 0.5 y))
0.103 * [taylor]: Taking taylor expansion of (* (/ 1 x) 1.0) in y
0.103 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.103 * [taylor]: Taking taylor expansion of x in y
0.103 * [taylor]: Taking taylor expansion of 1.0 in y
0.103 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y
0.103 * [taylor]: Taking taylor expansion of 0.5 in y
0.103 * [taylor]: Taking taylor expansion of y in y
0.104 * [taylor]: Taking taylor expansion of (- (fma (/ 1 y) (/ 1 x) 0.918938533204673) (fma (/ 1 x) 1.0 (/ 0.5 y))) in y
0.104 * [taylor]: Taking taylor expansion of (fma (/ 1 y) (/ 1 x) 0.918938533204673) in y
0.104 * [taylor]: Rewrote expression to (+ (* (/ 1 y) (/ 1 x)) 0.918938533204673)
0.104 * [taylor]: Taking taylor expansion of (* (/ 1 y) (/ 1 x)) in y
0.104 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.104 * [taylor]: Taking taylor expansion of y in y
0.104 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.104 * [taylor]: Taking taylor expansion of x in y
0.104 * [taylor]: Taking taylor expansion of 0.918938533204673 in y
0.104 * [taylor]: Taking taylor expansion of (fma (/ 1 x) 1.0 (/ 0.5 y)) in y
0.104 * [taylor]: Rewrote expression to (+ (* (/ 1 x) 1.0) (/ 0.5 y))
0.104 * [taylor]: Taking taylor expansion of (* (/ 1 x) 1.0) in y
0.104 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.104 * [taylor]: Taking taylor expansion of x in y
0.104 * [taylor]: Taking taylor expansion of 1.0 in y
0.104 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y
0.104 * [taylor]: Taking taylor expansion of 0.5 in y
0.104 * [taylor]: Taking taylor expansion of y in y
0.106 * [taylor]: Taking taylor expansion of (- (/ 1 x) 0.5) in x
0.106 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.106 * [taylor]: Taking taylor expansion of x in x
0.106 * [taylor]: Taking taylor expansion of 0.5 in x
0.108 * [taylor]: Taking taylor expansion of (- 0.918938533204673 (* 1.0 (/ 1 x))) in x
0.108 * [taylor]: Taking taylor expansion of 0.918938533204673 in x
0.108 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.108 * [taylor]: Taking taylor expansion of 1.0 in x
0.108 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.108 * [taylor]: Taking taylor expansion of x in x
0.112 * [approximate]: Taking taylor expansion of (- (fma (/ -1 y) (/ -1 x) 0.918938533204673) (fma (/ -1 x) 1.0 (/ -0.5 y))) in (y x) around 0
0.112 * [taylor]: Taking taylor expansion of (- (fma (/ -1 y) (/ -1 x) 0.918938533204673) (fma (/ -1 x) 1.0 (/ -0.5 y))) in x
0.112 * [taylor]: Taking taylor expansion of (fma (/ -1 y) (/ -1 x) 0.918938533204673) in x
0.112 * [taylor]: Rewrote expression to (+ (* (/ -1 y) (/ -1 x)) 0.918938533204673)
0.112 * [taylor]: Taking taylor expansion of (* (/ -1 y) (/ -1 x)) in x
0.112 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.112 * [taylor]: Taking taylor expansion of -1 in x
0.112 * [taylor]: Taking taylor expansion of y in x
0.112 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.112 * [taylor]: Taking taylor expansion of -1 in x
0.112 * [taylor]: Taking taylor expansion of x in x
0.112 * [taylor]: Taking taylor expansion of 0.918938533204673 in x
0.112 * [taylor]: Taking taylor expansion of (fma (/ -1 x) 1.0 (/ -0.5 y)) in x
0.112 * [taylor]: Rewrote expression to (+ (* (/ -1 x) 1.0) (/ -0.5 y))
0.112 * [taylor]: Taking taylor expansion of (* (/ -1 x) 1.0) in x
0.112 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.112 * [taylor]: Taking taylor expansion of -1 in x
0.113 * [taylor]: Taking taylor expansion of x in x
0.113 * [taylor]: Taking taylor expansion of 1.0 in x
0.113 * [taylor]: Taking taylor expansion of (/ -0.5 y) in x
0.113 * [taylor]: Taking taylor expansion of -0.5 in x
0.113 * [taylor]: Taking taylor expansion of y in x
0.113 * [taylor]: Taking taylor expansion of (- (fma (/ -1 y) (/ -1 x) 0.918938533204673) (fma (/ -1 x) 1.0 (/ -0.5 y))) in y
0.113 * [taylor]: Taking taylor expansion of (fma (/ -1 y) (/ -1 x) 0.918938533204673) in y
0.113 * [taylor]: Rewrote expression to (+ (* (/ -1 y) (/ -1 x)) 0.918938533204673)
0.113 * [taylor]: Taking taylor expansion of (* (/ -1 y) (/ -1 x)) in y
0.113 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.113 * [taylor]: Taking taylor expansion of -1 in y
0.113 * [taylor]: Taking taylor expansion of y in y
0.114 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.114 * [taylor]: Taking taylor expansion of -1 in y
0.114 * [taylor]: Taking taylor expansion of x in y
0.114 * [taylor]: Taking taylor expansion of 0.918938533204673 in y
0.114 * [taylor]: Taking taylor expansion of (fma (/ -1 x) 1.0 (/ -0.5 y)) in y
0.114 * [taylor]: Rewrote expression to (+ (* (/ -1 x) 1.0) (/ -0.5 y))
0.114 * [taylor]: Taking taylor expansion of (* (/ -1 x) 1.0) in y
0.114 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.114 * [taylor]: Taking taylor expansion of -1 in y
0.114 * [taylor]: Taking taylor expansion of x in y
0.114 * [taylor]: Taking taylor expansion of 1.0 in y
0.114 * [taylor]: Taking taylor expansion of (/ -0.5 y) in y
0.114 * [taylor]: Taking taylor expansion of -0.5 in y
0.114 * [taylor]: Taking taylor expansion of y in y
0.114 * [taylor]: Taking taylor expansion of (- (fma (/ -1 y) (/ -1 x) 0.918938533204673) (fma (/ -1 x) 1.0 (/ -0.5 y))) in y
0.115 * [taylor]: Taking taylor expansion of (fma (/ -1 y) (/ -1 x) 0.918938533204673) in y
0.115 * [taylor]: Rewrote expression to (+ (* (/ -1 y) (/ -1 x)) 0.918938533204673)
0.115 * [taylor]: Taking taylor expansion of (* (/ -1 y) (/ -1 x)) in y
0.115 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.115 * [taylor]: Taking taylor expansion of -1 in y
0.115 * [taylor]: Taking taylor expansion of y in y
0.115 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.115 * [taylor]: Taking taylor expansion of -1 in y
0.115 * [taylor]: Taking taylor expansion of x in y
0.115 * [taylor]: Taking taylor expansion of 0.918938533204673 in y
0.115 * [taylor]: Taking taylor expansion of (fma (/ -1 x) 1.0 (/ -0.5 y)) in y
0.115 * [taylor]: Rewrote expression to (+ (* (/ -1 x) 1.0) (/ -0.5 y))
0.115 * [taylor]: Taking taylor expansion of (* (/ -1 x) 1.0) in y
0.115 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.115 * [taylor]: Taking taylor expansion of -1 in y
0.115 * [taylor]: Taking taylor expansion of x in y
0.115 * [taylor]: Taking taylor expansion of 1.0 in y
0.115 * [taylor]: Taking taylor expansion of (/ -0.5 y) in y
0.115 * [taylor]: Taking taylor expansion of -0.5 in y
0.115 * [taylor]: Taking taylor expansion of y in y
0.117 * [taylor]: Taking taylor expansion of (+ 0.5 (/ 1 x)) in x
0.117 * [taylor]: Taking taylor expansion of 0.5 in x
0.117 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.117 * [taylor]: Taking taylor expansion of x in x
0.119 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 x)) 0.918938533204673) 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 in x
0.121 * * * [progress]: simplifying candidates
0.121 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (pow (fma y x 0.918938533204673) 3) (pow (fma x 1.0 (* y 0.5)) 3))
  (+ (* (fma y x 0.918938533204673) (fma y x 0.918938533204673)) (+ (* (fma x 1.0 (* y 0.5)) (fma x 1.0 (* y 0.5))) (* (fma y x 0.918938533204673) (fma x 1.0 (* y 0.5)))))
  (- (fma x 1.0 (* y 0.5)))
  (- (* (fma y x 0.918938533204673) (fma y x 0.918938533204673)) (* (fma x 1.0 (* y 0.5)) (fma x 1.0 (* y 0.5))))
  (+ (fma y x 0.918938533204673) (fma x 1.0 (* y 0.5)))
  (- (fma y x 0.918938533204673) (* x 1.0))
  (- 0.918938533204673 (fma x 1.0 (* y 0.5)))
  (- (fma x 1.0 (* y 0.5)))
  (- 0.918938533204673 (+ (* 1.0 x) (* 0.5 y)))
  (- (* x y) (+ (* 1.0 x) (* 0.5 y)))
  (- (* x y) (+ (* 1.0 x) (* 0.5 y)))
0.124 * * [simplify]: iteration  0 :  69  enodes  (cost  53 )
0.126 * * [simplify]: iteration  1 :  222  enodes  (cost  52 )
0.130 * * [simplify]: iteration  2 :  933  enodes  (cost  52 )
0.150 * * [simplify]: iteration  3 :  4718  enodes  (cost  51 )
0.232 * * [simplify]: iteration  4 :  5001  enodes  (cost  51 )
0.233 * [simplify]: Simplified to:
   (- (pow (fma y x 0.918938533204673) 3) (pow (fma x 1.0 (* y 0.5)) 3))
  (fma (fma 1.0 x (* 0.5 y)) (+ (fma y x 0.918938533204673) (fma x 1.0 (* y 0.5))) (* (fma y x 0.918938533204673) (fma y x 0.918938533204673)))
  (- (fma 1.0 x (* 0.5 y)))
  (- (* (fma y x 0.918938533204673) (fma y x 0.918938533204673)) (* (fma x 1.0 (* y 0.5)) (fma x 1.0 (* y 0.5))))
  (+ (fma y x 0.918938533204673) (fma x 1.0 (* y 0.5)))
  (fma x (- y 1.0) 0.918938533204673)
  (- 0.918938533204673 (fma x 1.0 (* y 0.5)))
  (- (fma 1.0 x (* 0.5 y)))
  (- 0.918938533204673 (fma x 1.0 (* y 0.5)))
  (fma x y (- (fma 1.0 x (* 0.5 y))))
  (fma x y (- (fma 1.0 x (* 0.5 y))))
0.233 * * * [progress]: adding candidates to table
0.252 * * [progress]: iteration 2 / 4
0.252 * * * [progress]: picking best candidate
0.254 * * * * [pick]: Picked  #<alt (λ (x y) (fma x y (- (fma 1.0 x (* 0.5 y)))))>
0.254 * * * [progress]: localizing error
0.265 * * * [progress]: generating rewritten candidates
0.266 * * * [progress]: generating series expansions
0.266 * * * [progress]: simplifying candidates
0.266 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.268 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.268 * [simplify]: Simplified to:
   
0.268 * * * [progress]: adding candidates to table
0.268 * [progress]: [Phase 3 of 3] Extracting.
0.268 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (- (fma y x 0.918938533204673) (fma x 1.0 (* y 0.5))))> #<alt (λ (x y) (fma x y (- (fma 1.0 x (* 0.5 y)))))>)
0.268 * * * [regime-changes]: Trying 2 branch expressions: (y x)
0.268 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (- (fma y x 0.918938533204673) (fma x 1.0 (* y 0.5))))> #<alt (λ (x y) (fma x y (- (fma 1.0 x (* 0.5 y)))))>)
0.280 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (- (fma y x 0.918938533204673) (fma x 1.0 (* y 0.5))))> #<alt (λ (x y) (fma x y (- (fma 1.0 x (* 0.5 y)))))>)
0.292 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.292 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (fma y x 0.918938533204673) (fma x 1.0 (* y 0.5)))
0.293 * * [simplify]: iteration  0 :  10  enodes  (cost  4 )
0.293 * * [simplify]: iteration  1 :  10  enodes  (cost  4 )
0.293 * [simplify]: Simplified to:
   (- (fma y x 0.918938533204673) (fma x 1.0 (* y 0.5)))
0.833 * [regime-testing]: Baseline error score: 0.010001250156269533
0.833 * [regime-testing]: Oracle error score: 0.0006250781347668458
0.834 * [regime-testing]: End program error score: 0.010001250156269533