4.305 * [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 )
0.020 * * [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 )
0.026 * * [simplify]: iteration  4 :  310  enodes  (cost  5 )
0.029 * * [simplify]: iteration  5 :  500  enodes  (cost  5 )
0.034 * * [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 )
0.054 * * [simplify]: iteration  9 :  1148  enodes  (cost  5 )
0.054 * [simplify]: Simplified to:
   (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673)
0.054 * * [progress]: iteration 1 / 4
0.054 * * * [progress]: picking best candidate
0.056 * * * * [pick]: Picked  #<alt (λ (x y) (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673))>
0.056 * * * [progress]: localizing error
0.063 * * * [progress]: generating rewritten candidates
0.063 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1)
0.073 * * * [progress]: generating series expansions
0.073 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1)
0.073 * [approximate]: Taking taylor expansion of (* x (- y 1.0)) in (x y) around 0
0.073 * [taylor]: Taking taylor expansion of (* x (- y 1.0)) in y
0.073 * [taylor]: Taking taylor expansion of x in y
0.073 * [taylor]: Taking taylor expansion of (- y 1.0) in y
0.073 * [taylor]: Taking taylor expansion of y in y
0.073 * [taylor]: Taking taylor expansion of 1.0 in y
0.073 * [taylor]: Taking taylor expansion of (* x (- y 1.0)) in x
0.073 * [taylor]: Taking taylor expansion of x in x
0.073 * [taylor]: Taking taylor expansion of (- y 1.0) in x
0.073 * [taylor]: Taking taylor expansion of y in x
0.073 * [taylor]: Taking taylor expansion of 1.0 in x
0.073 * [taylor]: Taking taylor expansion of (* x (- y 1.0)) in x
0.073 * [taylor]: Taking taylor expansion of x in x
0.073 * [taylor]: Taking taylor expansion of (- y 1.0) in x
0.073 * [taylor]: Taking taylor expansion of y in x
0.073 * [taylor]: Taking taylor expansion of 1.0 in x
0.074 * [taylor]: Taking taylor expansion of 0 in y
0.074 * [taylor]: Taking taylor expansion of (- y 1.0) in y
0.074 * [taylor]: Taking taylor expansion of y in y
0.074 * [taylor]: Taking taylor expansion of 1.0 in y
0.076 * [taylor]: Taking taylor expansion of 0 in y
0.078 * [taylor]: Taking taylor expansion of 0 in y
0.080 * [taylor]: Taking taylor expansion of 0 in y
0.080 * [approximate]: Taking taylor expansion of (/ (- (/ 1 y) 1.0) x) in (x y) around 0
0.080 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) 1.0) x) in y
0.080 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1.0) in y
0.080 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.080 * [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 in y
0.081 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) 1.0) x) in x
0.081 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1.0) in x
0.081 * [taylor]: Taking taylor expansion of (/ 1 y) 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 in x
0.082 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) 1.0) x) in x
0.082 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1.0) 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 in x
0.082 * [taylor]: Taking taylor expansion of x in x
0.082 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1.0) in y
0.082 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.082 * [taylor]: Taking taylor expansion of y in y
0.083 * [taylor]: Taking taylor expansion of 1.0 in y
0.084 * [taylor]: Taking taylor expansion of 0 in y
0.087 * [taylor]: Taking taylor expansion of 0 in y
0.089 * [taylor]: Taking taylor expansion of 0 in y
0.092 * [taylor]: Taking taylor expansion of 0 in y
0.093 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 y) 1.0) x) in (x y) around 0
0.093 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 1.0) x) in y
0.093 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in y
0.093 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.093 * [taylor]: Taking taylor expansion of y in y
0.093 * [taylor]: Taking taylor expansion of 1.0 in y
0.093 * [taylor]: Taking taylor expansion of x in y
0.093 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 1.0) x) in x
0.094 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in x
0.094 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.094 * [taylor]: Taking taylor expansion of y in x
0.094 * [taylor]: Taking taylor expansion of 1.0 in x
0.094 * [taylor]: Taking taylor expansion of x in x
0.094 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 1.0) x) in x
0.094 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in x
0.094 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.094 * [taylor]: Taking taylor expansion of y in x
0.094 * [taylor]: Taking taylor expansion of 1.0 in x
0.094 * [taylor]: Taking taylor expansion of x in x
0.094 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in y
0.094 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.094 * [taylor]: Taking taylor expansion of y in y
0.094 * [taylor]: Taking taylor expansion of 1.0 in y
0.095 * [taylor]: Taking taylor expansion of 0 in y
0.097 * [taylor]: Taking taylor expansion of 0 in y
0.099 * [taylor]: Taking taylor expansion of 0 in y
0.102 * [taylor]: Taking taylor expansion of 0 in y
0.102 * * * [progress]: simplifying candidates
0.102 * [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)))
  (- (* x y) (* 1.0 x))
  (- (* x y) (* 1.0 x))
  (- (* x y) (* 1.0 x))
0.105 * * [simplify]: iteration  0 :  112  enodes  (cost  101 )
0.108 * * [simplify]: iteration  1 :  436  enodes  (cost  88 )
0.116 * * [simplify]: iteration  2 :  1549  enodes  (cost  88 )
0.139 * * [simplify]: iteration  3 :  5001  enodes  (cost  88 )
0.139 * [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)))
  (* x (- y 1.0))
  (* x (- y 1.0))
  (* x (- y 1.0))
0.139 * * * [progress]: adding candidates to table
0.182 * * [progress]: iteration 2 / 4
0.182 * * * [progress]: picking best candidate
0.184 * * * * [pick]: Picked  #<alt (λ (x y) (+ (- (+ (* x y) (* x (- 1.0))) (* y 0.5)) 0.918938533204673))>
0.184 * * * [progress]: localizing error
0.195 * * * [progress]: generating rewritten candidates
0.195 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1)
0.198 * * * [progress]: generating series expansions
0.198 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1)
0.198 * [approximate]: Taking taylor expansion of (- (* x y) (* 1.0 x)) in (x y) around 0
0.198 * [taylor]: Taking taylor expansion of (- (* x y) (* 1.0 x)) in y
0.198 * [taylor]: Taking taylor expansion of (* x y) in y
0.198 * [taylor]: Taking taylor expansion of x in y
0.198 * [taylor]: Taking taylor expansion of y in y
0.198 * [taylor]: Taking taylor expansion of (* 1.0 x) in y
0.198 * [taylor]: Taking taylor expansion of 1.0 in y
0.198 * [taylor]: Taking taylor expansion of x in y
0.198 * [taylor]: Taking taylor expansion of (- (* x y) (* 1.0 x)) in x
0.198 * [taylor]: Taking taylor expansion of (* x y) in x
0.198 * [taylor]: Taking taylor expansion of x in x
0.198 * [taylor]: Taking taylor expansion of y in x
0.198 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.198 * [taylor]: Taking taylor expansion of 1.0 in x
0.198 * [taylor]: Taking taylor expansion of x in x
0.198 * [taylor]: Taking taylor expansion of (- (* x y) (* 1.0 x)) in x
0.198 * [taylor]: Taking taylor expansion of (* x y) in x
0.198 * [taylor]: Taking taylor expansion of x in x
0.198 * [taylor]: Taking taylor expansion of y in x
0.198 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.198 * [taylor]: Taking taylor expansion of 1.0 in x
0.199 * [taylor]: Taking taylor expansion of x in x
0.199 * [taylor]: Taking taylor expansion of 0 in y
0.201 * [taylor]: Taking taylor expansion of (- y 1.0) in y
0.201 * [taylor]: Taking taylor expansion of y in y
0.201 * [taylor]: Taking taylor expansion of 1.0 in y
0.203 * [taylor]: Taking taylor expansion of 0 in y
0.206 * [taylor]: Taking taylor expansion of 0 in y
0.208 * [taylor]: Taking taylor expansion of 0 in y
0.209 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (* 1.0 (/ 1 x))) in (x y) around 0
0.209 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 1.0 (/ 1 x))) in y
0.209 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.209 * [taylor]: Taking taylor expansion of (* x y) in y
0.209 * [taylor]: Taking taylor expansion of x in y
0.209 * [taylor]: Taking taylor expansion of y in y
0.209 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in y
0.209 * [taylor]: Taking taylor expansion of 1.0 in y
0.209 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.209 * [taylor]: Taking taylor expansion of x in y
0.209 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 1.0 (/ 1 x))) in x
0.209 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.209 * [taylor]: Taking taylor expansion of (* x y) in x
0.209 * [taylor]: Taking taylor expansion of x in x
0.209 * [taylor]: Taking taylor expansion of y in x
0.210 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.210 * [taylor]: Taking taylor expansion of 1.0 in x
0.210 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.210 * [taylor]: Taking taylor expansion of x in x
0.210 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 1.0 (/ 1 x))) in x
0.210 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.210 * [taylor]: Taking taylor expansion of (* x y) in x
0.210 * [taylor]: Taking taylor expansion of x in x
0.210 * [taylor]: Taking taylor expansion of y in x
0.210 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.210 * [taylor]: Taking taylor expansion of 1.0 in x
0.210 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.210 * [taylor]: Taking taylor expansion of x in x
0.211 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1.0) in y
0.211 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.211 * [taylor]: Taking taylor expansion of y in y
0.212 * [taylor]: Taking taylor expansion of 1.0 in y
0.214 * [taylor]: Taking taylor expansion of 0 in y
0.217 * [taylor]: Taking taylor expansion of 0 in y
0.221 * [taylor]: Taking taylor expansion of 0 in y
0.225 * [taylor]: Taking taylor expansion of 0 in y
0.225 * [approximate]: Taking taylor expansion of (+ (* 1.0 (/ 1 x)) (/ 1 (* x y))) in (x y) around 0
0.225 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 x)) (/ 1 (* x y))) in y
0.225 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in y
0.225 * [taylor]: Taking taylor expansion of 1.0 in y
0.225 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.226 * [taylor]: Taking taylor expansion of x in y
0.226 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.226 * [taylor]: Taking taylor expansion of (* x y) in y
0.226 * [taylor]: Taking taylor expansion of x in y
0.226 * [taylor]: Taking taylor expansion of y in y
0.226 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 x)) (/ 1 (* x y))) in x
0.226 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.226 * [taylor]: Taking taylor expansion of 1.0 in x
0.226 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.226 * [taylor]: Taking taylor expansion of x in x
0.226 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.226 * [taylor]: Taking taylor expansion of (* x y) in x
0.226 * [taylor]: Taking taylor expansion of x in x
0.226 * [taylor]: Taking taylor expansion of y in x
0.227 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 x)) (/ 1 (* x y))) in x
0.227 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.227 * [taylor]: Taking taylor expansion of 1.0 in x
0.227 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.227 * [taylor]: Taking taylor expansion of x in x
0.227 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.227 * [taylor]: Taking taylor expansion of (* x y) in x
0.227 * [taylor]: Taking taylor expansion of x in x
0.227 * [taylor]: Taking taylor expansion of y in x
0.228 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in y
0.228 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.228 * [taylor]: Taking taylor expansion of y in y
0.228 * [taylor]: Taking taylor expansion of 1.0 in y
0.230 * [taylor]: Taking taylor expansion of 0 in y
0.232 * [taylor]: Taking taylor expansion of 0 in y
0.236 * [taylor]: Taking taylor expansion of 0 in y
0.239 * [taylor]: Taking taylor expansion of 0 in y
0.239 * * * [progress]: simplifying candidates
0.239 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (exp (* x y)) (exp (* x (- 1.0))))
  (log (+ (* x y) (* x (- 1.0))))
  (exp (+ (* x y) (* x (- 1.0))))
  (* (cbrt (+ (* x y) (* x (- 1.0)))) (cbrt (+ (* x y) (* x (- 1.0)))))
  (cbrt (+ (* x y) (* x (- 1.0))))
  (* (* (+ (* x y) (* x (- 1.0))) (+ (* x y) (* x (- 1.0)))) (+ (* x y) (* x (- 1.0))))
  (sqrt (+ (* x y) (* x (- 1.0))))
  (sqrt (+ (* x y) (* x (- 1.0))))
  (+ (pow (* x y) 3) (pow (* x (- 1.0)) 3))
  (+ (* (* x y) (* x y)) (- (* (* x (- 1.0)) (* x (- 1.0))) (* (* x y) (* x (- 1.0)))))
  (- (* (* x y) (* x y)) (* (* x (- 1.0)) (* x (- 1.0))))
  (- (* x y) (* x (- 1.0)))
  (+ y (- 1.0))
  (- (* x y) (* 1.0 x))
  (- (* x y) (* 1.0 x))
  (- (* x y) (* 1.0 x))
0.242 * * [simplify]: iteration  0 :  105  enodes  (cost  93 )
0.245 * * [simplify]: iteration  1 :  419  enodes  (cost  70 )
0.255 * * [simplify]: iteration  2 :  1910  enodes  (cost  66 )
0.299 * * [simplify]: iteration  3 :  5001  enodes  (cost  65 )
0.300 * [simplify]: Simplified to:
   (pow (exp x) (- y 1.0))
  (+ (log x) (log (- y 1.0)))
  (pow (exp x) (- y 1.0))
  (* (cbrt (+ (* x y) (* x (- 1.0)))) (cbrt (+ (* x y) (* x (- 1.0)))))
  (cbrt (+ (* x y) (* x (- 1.0))))
  (pow (* (- y 1.0) x) 3)
  (sqrt (+ (* x y) (* x (- 1.0))))
  (sqrt (+ (* x y) (* x (- 1.0))))
  (- (pow (* x y) 3) (pow (* 1.0 x) 3))
  (* x (+ (* y (* x y)) (* 1.0 (* x (+ y 1.0)))))
  (* (* x x) (- (* y y) (* 1.0 1.0)))
  (* x (+ y 1.0))
  (- y 1.0)
  (* (- y 1.0) x)
  (* (- y 1.0) x)
  (* (- y 1.0) x)
0.300 * * * [progress]: adding candidates to table
0.333 * [progress]: [Phase 3 of 3] Extracting.
0.334 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (- (+ (* x y) (* x (- 1.0))) (* y 0.5)) 0.918938533204673)
0.335 * * [simplify]: iteration  0 :  19  enodes  (cost  7 )
0.335 * * [simplify]: iteration  1 :  23  enodes  (cost  7 )
0.335 * * [simplify]: iteration  2 :  24  enodes  (cost  7 )
0.336 * * [simplify]: iteration  3 :  24  enodes  (cost  7 )
0.336 * [simplify]: Simplified to:
   (+ (- (+ (* x y) (* x (- 1.0))) (* y 0.5)) 0.918938533204673)
0.777 * [regime-testing]: End program error score: 0.010251281410176272