23.296 * [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 :  20  enodes  (cost  5 )
0.019 * * [simplify]: iteration  1 :  48  enodes  (cost  5 )
0.020 * * [simplify]: iteration  2 :  105  enodes  (cost  5 )
0.022 * * [simplify]: iteration  3 :  224  enodes  (cost  5 )
0.025 * * [simplify]: iteration  4 :  418  enodes  (cost  4 )
0.029 * * [simplify]: iteration  5 :  681  enodes  (cost  4 )
0.035 * * [simplify]: iteration  6 :  970  enodes  (cost  4 )
0.043 * * [simplify]: iteration  7 :  1398  enodes  (cost  4 )
0.051 * * [simplify]: iteration  8 :  1987  enodes  (cost  4 )
0.059 * * [simplify]: iteration  9 :  1991  enodes  (cost  4 )
0.069 * * [simplify]: iteration  10 :  1991  enodes  (cost  4 )
0.069 * [simplify]: Simplified to:
   (- (fma y x 0.918938533204673) (fma x 1.0 (* y 0.5)))
0.074 * * [progress]: iteration 1 / 4
0.074 * * * [progress]: picking best candidate
0.076 * * * * [pick]: Picked  #<alt (λ (x y) (- (fma y x 0.918938533204673) (fma x 1.0 (* y 0.5))))>
0.077 * * * [progress]: localizing error
0.089 * * * [progress]: generating rewritten candidates
0.089 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.093 * * * [progress]: generating series expansions
0.093 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.093 * [approximate]: Taking taylor expansion of (- (fma y x 0.918938533204673) (fma x 1.0 (* 0.5 y))) in (y x) around 0
0.093 * [taylor]: Taking taylor expansion of (- (fma y x 0.918938533204673) (fma x 1.0 (* 0.5 y))) in x
0.093 * [taylor]: Taking taylor expansion of (fma y x 0.918938533204673) in x
0.094 * [taylor]: Rewrote expression to (+ (* y x) 0.918938533204673)
0.094 * [taylor]: Taking taylor expansion of (* y x) in x
0.094 * [taylor]: Taking taylor expansion of y in x
0.094 * [taylor]: Taking taylor expansion of x in x
0.094 * [taylor]: Taking taylor expansion of 0.918938533204673 in x
0.094 * [taylor]: Taking taylor expansion of (fma x 1.0 (* 0.5 y)) in x
0.094 * [taylor]: Rewrote expression to (+ (* x 1.0) (* 0.5 y))
0.094 * [taylor]: Taking taylor expansion of (* x 1.0) in x
0.094 * [taylor]: Taking taylor expansion of x in x
0.094 * [taylor]: Taking taylor expansion of 1.0 in x
0.094 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.094 * [taylor]: Taking taylor expansion of 0.5 in x
0.094 * [taylor]: Taking taylor expansion of y in x
0.094 * [taylor]: Taking taylor expansion of (- (fma y x 0.918938533204673) (fma x 1.0 (* 0.5 y))) in y
0.094 * [taylor]: Taking taylor expansion of (fma y x 0.918938533204673) in y
0.094 * [taylor]: Rewrote expression to (+ (* y x) 0.918938533204673)
0.094 * [taylor]: Taking taylor expansion of (* y x) in y
0.094 * [taylor]: Taking taylor expansion of y in y
0.094 * [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
0.095 * [taylor]: Rewrote expression to (+ (* x 1.0) (* 0.5 y))
0.095 * [taylor]: Taking taylor expansion of (* x 1.0) in y
0.095 * [taylor]: Taking taylor expansion of x in y
0.095 * [taylor]: Taking taylor expansion of 1.0 in y
0.095 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.095 * [taylor]: Taking taylor expansion of 0.5 in y
0.095 * [taylor]: Taking taylor expansion of y in y
0.095 * [taylor]: Taking taylor expansion of (- (fma y x 0.918938533204673) (fma x 1.0 (* 0.5 y))) in y
0.095 * [taylor]: Taking taylor expansion of (fma y x 0.918938533204673) in y
0.095 * [taylor]: Rewrote expression to (+ (* y x) 0.918938533204673)
0.095 * [taylor]: Taking taylor expansion of (* y x) in y
0.095 * [taylor]: Taking taylor expansion of y in y
0.095 * [taylor]: Taking taylor expansion of x in y
0.095 * [taylor]: Taking taylor expansion of 0.918938533204673 in y
0.095 * [taylor]: Taking taylor expansion of (fma x 1.0 (* 0.5 y)) in y
0.095 * [taylor]: Rewrote expression to (+ (* x 1.0) (* 0.5 y))
0.095 * [taylor]: Taking taylor expansion of (* x 1.0) in y
0.095 * [taylor]: Taking taylor expansion of x in y
0.095 * [taylor]: Taking taylor expansion of 1.0 in y
0.095 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.095 * [taylor]: Taking taylor expansion of 0.5 in y
0.095 * [taylor]: Taking taylor expansion of y in y
0.097 * [taylor]: Taking taylor expansion of (- 0.918938533204673 (* 1.0 x)) in x
0.097 * [taylor]: Taking taylor expansion of 0.918938533204673 in x
0.097 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.097 * [taylor]: Taking taylor expansion of 1.0 in x
0.097 * [taylor]: Taking taylor expansion of x in x
0.101 * [taylor]: Taking taylor expansion of (- x 0.5) in x
0.101 * [taylor]: Taking taylor expansion of x in x
0.101 * [taylor]: Taking taylor expansion of 0.5 in x
0.106 * [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
0.106 * [taylor]: Taking taylor expansion of (- (fma (/ 1 y) (/ 1 x) 0.918938533204673) (fma (/ 1 x) 1.0 (/ 0.5 y))) in x
0.106 * [taylor]: Taking taylor expansion of (fma (/ 1 y) (/ 1 x) 0.918938533204673) in x
0.107 * [taylor]: Rewrote expression to (+ (* (/ 1 y) (/ 1 x)) 0.918938533204673)
0.107 * [taylor]: Taking taylor expansion of (* (/ 1 y) (/ 1 x)) in x
0.107 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.107 * [taylor]: Taking taylor expansion of y in x
0.107 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.107 * [taylor]: Taking taylor expansion of x in x
0.107 * [taylor]: Taking taylor expansion of 0.918938533204673 in x
0.107 * [taylor]: Taking taylor expansion of (fma (/ 1 x) 1.0 (/ 0.5 y)) in x
0.107 * [taylor]: Rewrote expression to (+ (* (/ 1 x) 1.0) (/ 0.5 y))
0.107 * [taylor]: Taking taylor expansion of (* (/ 1 x) 1.0) in x
0.107 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.107 * [taylor]: Taking taylor expansion of x in x
0.108 * [taylor]: Taking taylor expansion of 1.0 in x
0.108 * [taylor]: Taking taylor expansion of (/ 0.5 y) in x
0.108 * [taylor]: Taking taylor expansion of 0.5 in x
0.108 * [taylor]: Taking taylor expansion of y in x
0.108 * [taylor]: Taking taylor expansion of (- (fma (/ 1 y) (/ 1 x) 0.918938533204673) (fma (/ 1 x) 1.0 (/ 0.5 y))) in y
0.108 * [taylor]: Taking taylor expansion of (fma (/ 1 y) (/ 1 x) 0.918938533204673) in y
0.108 * [taylor]: Rewrote expression to (+ (* (/ 1 y) (/ 1 x)) 0.918938533204673)
0.108 * [taylor]: Taking taylor expansion of (* (/ 1 y) (/ 1 x)) in y
0.108 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.108 * [taylor]: Taking taylor expansion of y in y
0.109 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.109 * [taylor]: Taking taylor expansion of x in y
0.109 * [taylor]: Taking taylor expansion of 0.918938533204673 in y
0.109 * [taylor]: Taking taylor expansion of (fma (/ 1 x) 1.0 (/ 0.5 y)) in y
0.109 * [taylor]: Rewrote expression to (+ (* (/ 1 x) 1.0) (/ 0.5 y))
0.109 * [taylor]: Taking taylor expansion of (* (/ 1 x) 1.0) in y
0.109 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.109 * [taylor]: Taking taylor expansion of x in y
0.109 * [taylor]: Taking taylor expansion of 1.0 in y
0.109 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y
0.109 * [taylor]: Taking taylor expansion of 0.5 in y
0.109 * [taylor]: Taking taylor expansion of y in y
0.110 * [taylor]: Taking taylor expansion of (- (fma (/ 1 y) (/ 1 x) 0.918938533204673) (fma (/ 1 x) 1.0 (/ 0.5 y))) in y
0.110 * [taylor]: Taking taylor expansion of (fma (/ 1 y) (/ 1 x) 0.918938533204673) in y
0.110 * [taylor]: Rewrote expression to (+ (* (/ 1 y) (/ 1 x)) 0.918938533204673)
0.110 * [taylor]: Taking taylor expansion of (* (/ 1 y) (/ 1 x)) in y
0.110 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.110 * [taylor]: Taking taylor expansion of y in y
0.110 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.110 * [taylor]: Taking taylor expansion of x in y
0.110 * [taylor]: Taking taylor expansion of 0.918938533204673 in y
0.110 * [taylor]: Taking taylor expansion of (fma (/ 1 x) 1.0 (/ 0.5 y)) in y
0.111 * [taylor]: Rewrote expression to (+ (* (/ 1 x) 1.0) (/ 0.5 y))
0.111 * [taylor]: Taking taylor expansion of (* (/ 1 x) 1.0) in y
0.111 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.111 * [taylor]: Taking taylor expansion of x in y
0.111 * [taylor]: Taking taylor expansion of 1.0 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
0.112 * [taylor]: Taking taylor expansion of (- (/ 1 x) 0.5) in x
0.113 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.113 * [taylor]: Taking taylor expansion of x in x
0.113 * [taylor]: Taking taylor expansion of 0.5 in x
0.116 * [taylor]: Taking taylor expansion of (- 0.918938533204673 (* 1.0 (/ 1 x))) in x
0.116 * [taylor]: Taking taylor expansion of 0.918938533204673 in x
0.116 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.116 * [taylor]: Taking taylor expansion of 1.0 in x
0.116 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.116 * [taylor]: Taking taylor expansion of x in x
0.122 * [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
0.122 * [taylor]: Taking taylor expansion of (- (fma (/ -1 y) (/ -1 x) 0.918938533204673) (fma (/ -1 x) 1.0 (/ -0.5 y))) in x
0.122 * [taylor]: Taking taylor expansion of (fma (/ -1 y) (/ -1 x) 0.918938533204673) in x
0.122 * [taylor]: Rewrote expression to (+ (* (/ -1 y) (/ -1 x)) 0.918938533204673)
0.122 * [taylor]: Taking taylor expansion of (* (/ -1 y) (/ -1 x)) in x
0.122 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.122 * [taylor]: Taking taylor expansion of -1 in x
0.122 * [taylor]: Taking taylor expansion of y in x
0.122 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.122 * [taylor]: Taking taylor expansion of -1 in x
0.122 * [taylor]: Taking taylor expansion of x in x
0.123 * [taylor]: Taking taylor expansion of 0.918938533204673 in x
0.123 * [taylor]: Taking taylor expansion of (fma (/ -1 x) 1.0 (/ -0.5 y)) in x
0.123 * [taylor]: Rewrote expression to (+ (* (/ -1 x) 1.0) (/ -0.5 y))
0.123 * [taylor]: Taking taylor expansion of (* (/ -1 x) 1.0) in x
0.123 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.123 * [taylor]: Taking taylor expansion of -1 in x
0.123 * [taylor]: Taking taylor expansion of x in x
0.124 * [taylor]: Taking taylor expansion of 1.0 in x
0.124 * [taylor]: Taking taylor expansion of (/ -0.5 y) in x
0.124 * [taylor]: Taking taylor expansion of -0.5 in x
0.124 * [taylor]: Taking taylor expansion of y in x
0.124 * [taylor]: Taking taylor expansion of (- (fma (/ -1 y) (/ -1 x) 0.918938533204673) (fma (/ -1 x) 1.0 (/ -0.5 y))) in y
0.124 * [taylor]: Taking taylor expansion of (fma (/ -1 y) (/ -1 x) 0.918938533204673) in y
0.124 * [taylor]: Rewrote expression to (+ (* (/ -1 y) (/ -1 x)) 0.918938533204673)
0.124 * [taylor]: Taking taylor expansion of (* (/ -1 y) (/ -1 x)) in y
0.124 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.124 * [taylor]: Taking taylor expansion of -1 in y
0.124 * [taylor]: Taking taylor expansion of y in y
0.125 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.125 * [taylor]: Taking taylor expansion of -1 in y
0.125 * [taylor]: Taking taylor expansion of x in y
0.125 * [taylor]: Taking taylor expansion of 0.918938533204673 in y
0.125 * [taylor]: Taking taylor expansion of (fma (/ -1 x) 1.0 (/ -0.5 y)) in y
0.125 * [taylor]: Rewrote expression to (+ (* (/ -1 x) 1.0) (/ -0.5 y))
0.125 * [taylor]: Taking taylor expansion of (* (/ -1 x) 1.0) in y
0.125 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.125 * [taylor]: Taking taylor expansion of -1 in y
0.125 * [taylor]: Taking taylor expansion of x in y
0.125 * [taylor]: Taking taylor expansion of 1.0 in y
0.125 * [taylor]: Taking taylor expansion of (/ -0.5 y) in y
0.125 * [taylor]: Taking taylor expansion of -0.5 in y
0.125 * [taylor]: Taking taylor expansion of y in y
0.126 * [taylor]: Taking taylor expansion of (- (fma (/ -1 y) (/ -1 x) 0.918938533204673) (fma (/ -1 x) 1.0 (/ -0.5 y))) in y
0.126 * [taylor]: Taking taylor expansion of (fma (/ -1 y) (/ -1 x) 0.918938533204673) in y
0.126 * [taylor]: Rewrote expression to (+ (* (/ -1 y) (/ -1 x)) 0.918938533204673)
0.126 * [taylor]: Taking taylor expansion of (* (/ -1 y) (/ -1 x)) in y
0.126 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.126 * [taylor]: Taking taylor expansion of -1 in y
0.126 * [taylor]: Taking taylor expansion of y in y
0.126 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.126 * [taylor]: Taking taylor expansion of -1 in y
0.126 * [taylor]: Taking taylor expansion of x in y
0.126 * [taylor]: Taking taylor expansion of 0.918938533204673 in y
0.126 * [taylor]: Taking taylor expansion of (fma (/ -1 x) 1.0 (/ -0.5 y)) in y
0.127 * [taylor]: Rewrote expression to (+ (* (/ -1 x) 1.0) (/ -0.5 y))
0.127 * [taylor]: Taking taylor expansion of (* (/ -1 x) 1.0) in y
0.127 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.127 * [taylor]: Taking taylor expansion of -1 in y
0.127 * [taylor]: Taking taylor expansion of x in y
0.127 * [taylor]: Taking taylor expansion of 1.0 in y
0.127 * [taylor]: Taking taylor expansion of (/ -0.5 y) in y
0.127 * [taylor]: Taking taylor expansion of -0.5 in y
0.127 * [taylor]: Taking taylor expansion of y in y
0.129 * [taylor]: Taking taylor expansion of (+ 0.5 (/ 1 x)) in x
0.129 * [taylor]: Taking taylor expansion of 0.5 in x
0.129 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.129 * [taylor]: Taking taylor expansion of x in x
0.132 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 x)) 0.918938533204673) in x
0.132 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.132 * [taylor]: Taking taylor expansion of 1.0 in x
0.132 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.132 * [taylor]: Taking taylor expansion of x in x
0.133 * [taylor]: Taking taylor expansion of 0.918938533204673 in x
0.135 * * * [progress]: simplifying candidates
0.135 * [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)))
0.144 * * [simplify]: iteration  0 :  69  enodes  (cost  53 )
0.147 * * [simplify]: iteration  1 :  222  enodes  (cost  52 )
0.154 * * [simplify]: iteration  2 :  933  enodes  (cost  52 )
0.175 * * [simplify]: iteration  3 :  4718  enodes  (cost  51 )
0.255 * * [simplify]: iteration  4 :  5001  enodes  (cost  51 )
0.256 * [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))))
0.256 * * * [progress]: adding candidates to table
0.273 * * [progress]: iteration 2 / 4
0.273 * * * [progress]: picking best candidate
0.275 * * * * [pick]: Picked  #<alt (λ (x y) (fma x y (- (fma 1.0 x (* 0.5 y)))))>
0.275 * * * [progress]: localizing error
0.282 * * * [progress]: generating rewritten candidates
0.282 * * * [progress]: generating series expansions
0.282 * * * [progress]: simplifying candidates
0.282 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.284 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.284 * [simplify]: Simplified to:
   
0.284 * * * [progress]: adding candidates to table
0.284 * [progress]: [Phase 3 of 3] Extracting.
0.284 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (fma x y (- (fma 1.0 x (* 0.5 y)))))> #<alt (λ (x y) (- (fma y x 0.918938533204673) (fma x 1.0 (* y 0.5))))>)
0.284 * * * [regime-changes]: Trying 2 branch expressions: (y x)
0.284 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (fma x y (- (fma 1.0 x (* 0.5 y)))))> #<alt (λ (x y) (- (fma y x 0.918938533204673) (fma x 1.0 (* y 0.5))))>)
0.295 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (fma x y (- (fma 1.0 x (* 0.5 y)))))> #<alt (λ (x y) (- (fma y x 0.918938533204673) (fma x 1.0 (* y 0.5))))>)
0.309 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.310 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (fma y x 0.918938533204673) (fma x 1.0 (* y 0.5)))
0.310 * * [simplify]: iteration  0 :  10  enodes  (cost  4 )
0.310 * * [simplify]: iteration  1 :  10  enodes  (cost  4 )
0.311 * [simplify]: Simplified to:
   (- (fma y x 0.918938533204673) (fma x 1.0 (* y 0.5)))
0.781 * [regime-testing]: Baseline error score: 0.00857419208660097
0.781 * [regime-testing]: Oracle error score: 0.0007500937617202151
0.782 * [regime-testing]: End program error score: 0.00857419208660097