31.945 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.073 * * * [progress]: [2/2] Setting up program.
0.075 * [progress]: [Phase 2 of 3] Improving.
0.075 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- x y) (+ x y))
0.078 * * [simplify]: iteration  0 :  11  enodes  (cost  3 )
0.079 * * [simplify]: iteration  1 :  14  enodes  (cost  3 )
0.080 * * [simplify]: iteration  2 :  16  enodes  (cost  3 )
0.081 * * [simplify]: iteration  3 :  16  enodes  (cost  3 )
0.082 * [simplify]: Simplified to:
   (/ (- x y) (+ x y))
0.082 * * [progress]: iteration 1 / 4
0.082 * * * [progress]: picking best candidate
0.084 * * * * [pick]: Picked  #<alt (λ (x y) (/ (- x y) (+ x y)))>
0.084 * * * [progress]: localizing error
0.088 * * * [progress]: generating rewritten candidates
0.088 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.097 * * * [progress]: generating series expansions
0.097 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.097 * [approximate]: Taking taylor expansion of (/ (- x y) (+ x y)) in (x y) around 0
0.097 * [taylor]: Taking taylor expansion of (/ (- x y) (+ x y)) in y
0.097 * [taylor]: Taking taylor expansion of (- x y) in y
0.097 * [taylor]: Taking taylor expansion of x in y
0.097 * [taylor]: Taking taylor expansion of y in y
0.097 * [taylor]: Taking taylor expansion of (+ x y) in y
0.097 * [taylor]: Taking taylor expansion of x in y
0.097 * [taylor]: Taking taylor expansion of y in y
0.097 * [taylor]: Taking taylor expansion of (/ (- x y) (+ x y)) in x
0.097 * [taylor]: Taking taylor expansion of (- x y) in x
0.097 * [taylor]: Taking taylor expansion of x in x
0.097 * [taylor]: Taking taylor expansion of y in x
0.097 * [taylor]: Taking taylor expansion of (+ x y) in x
0.097 * [taylor]: Taking taylor expansion of x in x
0.097 * [taylor]: Taking taylor expansion of y in x
0.098 * [taylor]: Taking taylor expansion of (/ (- x y) (+ x y)) in x
0.098 * [taylor]: Taking taylor expansion of (- x y) in x
0.098 * [taylor]: Taking taylor expansion of x in x
0.098 * [taylor]: Taking taylor expansion of y in x
0.098 * [taylor]: Taking taylor expansion of (+ x y) in x
0.098 * [taylor]: Taking taylor expansion of x in x
0.098 * [taylor]: Taking taylor expansion of y in x
0.098 * [taylor]: Taking taylor expansion of -1 in y
0.098 * [taylor]: Taking taylor expansion of (* 2 (/ 1 y)) in y
0.098 * [taylor]: Taking taylor expansion of 2 in y
0.098 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.098 * [taylor]: Taking taylor expansion of y in y
0.098 * [taylor]: Taking taylor expansion of (neg (* 2 (/ 1 (pow y 2)))) in y
0.098 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.098 * [taylor]: Taking taylor expansion of 2 in y
0.098 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.098 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.098 * [taylor]: Taking taylor expansion of y in y
0.099 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 3))) in y
0.099 * [taylor]: Taking taylor expansion of 2 in y
0.099 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.099 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.099 * [taylor]: Taking taylor expansion of y in y
0.099 * [approximate]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in (x y) around 0
0.099 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in y
0.099 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.099 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.099 * [taylor]: Taking taylor expansion of x in y
0.099 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.099 * [taylor]: Taking taylor expansion of y in y
0.099 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.099 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.099 * [taylor]: Taking taylor expansion of y in y
0.099 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.099 * [taylor]: Taking taylor expansion of x in y
0.099 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in x
0.099 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.100 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.100 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.100 * [taylor]: Taking taylor expansion of y in x
0.100 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.100 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.100 * [taylor]: Taking taylor expansion of y in x
0.100 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.100 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in x
0.100 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.100 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.100 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.100 * [taylor]: Taking taylor expansion of y in x
0.100 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.100 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.100 * [taylor]: Taking taylor expansion of y in x
0.100 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.100 * [taylor]: Taking taylor expansion of 1 in y
0.100 * [taylor]: Taking taylor expansion of (neg (* 2 (/ 1 y))) in y
0.100 * [taylor]: Taking taylor expansion of (* 2 (/ 1 y)) in y
0.100 * [taylor]: Taking taylor expansion of 2 in y
0.100 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.100 * [taylor]: Taking taylor expansion of y in y
0.101 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.101 * [taylor]: Taking taylor expansion of 2 in y
0.101 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.101 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.101 * [taylor]: Taking taylor expansion of y in y
0.101 * [taylor]: Taking taylor expansion of (neg (* 2 (/ 1 (pow y 3)))) in y
0.101 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 3))) in y
0.101 * [taylor]: Taking taylor expansion of 2 in y
0.101 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.101 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.101 * [taylor]: Taking taylor expansion of y in y
0.102 * [approximate]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) (+ (/ 1 y) (/ 1 x)))) in (x y) around 0
0.102 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) (+ (/ 1 y) (/ 1 x)))) in y
0.102 * [taylor]: Taking taylor expansion of -1 in y
0.102 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) (+ (/ 1 y) (/ 1 x))) in y
0.102 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) 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 x) in y
0.102 * [taylor]: Taking taylor expansion of x in y
0.102 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) 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 x) in y
0.102 * [taylor]: Taking taylor expansion of x in y
0.102 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) (+ (/ 1 y) (/ 1 x)))) in x
0.102 * [taylor]: Taking taylor expansion of -1 in x
0.102 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) (+ (/ 1 y) (/ 1 x))) in x
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 (+ (/ 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 (* -1 (/ (- (/ 1 y) (/ 1 x)) (+ (/ 1 y) (/ 1 x)))) in x
0.102 * [taylor]: Taking taylor expansion of -1 in x
0.103 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) (+ (/ 1 y) (/ 1 x))) in x
0.103 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.103 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.103 * [taylor]: Taking taylor expansion of y in x
0.103 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.103 * [taylor]: Taking taylor expansion of x in x
0.103 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.103 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.103 * [taylor]: Taking taylor expansion of y in x
0.103 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.103 * [taylor]: Taking taylor expansion of x in x
0.103 * [taylor]: Taking taylor expansion of 1 in y
0.103 * [taylor]: Taking taylor expansion of (neg (* 2 (/ 1 y))) in y
0.103 * [taylor]: Taking taylor expansion of (* 2 (/ 1 y)) in y
0.103 * [taylor]: Taking taylor expansion of 2 in y
0.103 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.103 * [taylor]: Taking taylor expansion of y in y
0.104 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.104 * [taylor]: Taking taylor expansion of 2 in y
0.104 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.104 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.104 * [taylor]: Taking taylor expansion of y in y
0.104 * [taylor]: Taking taylor expansion of (neg (* 2 (/ 1 (pow y 3)))) in y
0.104 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 3))) in y
0.104 * [taylor]: Taking taylor expansion of 2 in y
0.105 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.105 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.105 * [taylor]: Taking taylor expansion of y in y
0.105 * * * [progress]: simplifying candidates
0.106 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (- x y)) (log (+ x y)))
  (log (/ (- x y) (+ x y)))
  (exp (/ (- x y) (+ x y)))
  (/ (* (* (- x y) (- x y)) (- x y)) (* (* (+ x y) (+ x y)) (+ x y)))
  (* (cbrt (/ (- x y) (+ x y))) (cbrt (/ (- x y) (+ x y))))
  (cbrt (/ (- x y) (+ x y)))
  (* (* (/ (- x y) (+ x y)) (/ (- x y) (+ x y))) (/ (- x y) (+ x y)))
  (sqrt (/ (- x y) (+ x y)))
  (sqrt (/ (- x y) (+ x y)))
  (neg (- x y))
  (neg (+ x y))
  (/ x (+ x y))
  (/ y (+ x y))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (cbrt (- x y)) (cbrt (+ x y)))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt (+ x y)))
  (/ (cbrt (- x y)) (sqrt (+ x y)))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) 1)
  (/ (cbrt (- x y)) (+ x y))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) 1)
  (/ (cbrt (- x y)) (+ x y))
  (/ (sqrt (- x y)) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (sqrt (- x y)) (cbrt (+ x y)))
  (/ (sqrt (- x y)) (sqrt (+ x y)))
  (/ (sqrt (- x y)) (sqrt (+ x y)))
  (/ (sqrt (- x y)) 1)
  (/ (sqrt (- x y)) (+ x y))
  (/ (sqrt (- x y)) 1)
  (/ (sqrt (- x y)) (+ x y))
  (/ 1 (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (- x y) (cbrt (+ x y)))
  (/ 1 (sqrt (+ x y)))
  (/ (- x y) (sqrt (+ x y)))
  (/ 1 1)
  (/ (- x y) (+ x y))
  (/ 1 1)
  (/ (- x y) (+ x y))
  (/ (+ (sqrt x) (sqrt y)) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (- (sqrt x) (sqrt y)) (cbrt (+ x y)))
  (/ (+ (sqrt x) (sqrt y)) (sqrt (+ x y)))
  (/ (- (sqrt x) (sqrt y)) (sqrt (+ x y)))
  (/ (+ (sqrt x) (sqrt y)) 1)
  (/ (- (sqrt x) (sqrt y)) (+ x y))
  (/ (+ (sqrt x) (sqrt y)) 1)
  (/ (- (sqrt x) (sqrt y)) (+ x y))
  (/ 1 (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (- x y) (cbrt (+ x y)))
  (/ 1 (sqrt (+ x y)))
  (/ (- x y) (sqrt (+ x y)))
  (/ 1 1)
  (/ (- x y) (+ x y))
  (/ 1 1)
  (/ (- x y) (+ x y))
  (/ 1 (+ x y))
  (/ (+ x y) (- x y))
  (/ (- x y) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (- x y) (sqrt (+ x y)))
  (/ (- x y) 1)
  (/ (- x y) 1)
  (/ (+ x y) (cbrt (- x y)))
  (/ (+ x y) (sqrt (- x y)))
  (/ (+ x y) (- x y))
  (/ (+ x y) (- (sqrt x) (sqrt y)))
  (/ (+ x y) (- x y))
  (/ (- x y) (+ (pow x 3) (pow y 3)))
  (/ (- x y) (- (* x x) (* y y)))
  (* (+ x y) (+ (* x x) (+ (* y y) (* x y))))
  (* (+ x y) (+ x y))
  -1
  1
  1
0.113 * * [simplify]: iteration  0 :  187  enodes  (cost  290 )
0.116 * * [simplify]: iteration  1 :  526  enodes  (cost  276 )
0.124 * * [simplify]: iteration  2 :  1757  enodes  (cost  276 )
0.153 * * [simplify]: iteration  3 :  5002  enodes  (cost  273 )
0.155 * [simplify]: Simplified to:
   (log (/ (- x y) (+ x y)))
  (log (/ (- x y) (+ x y)))
  (exp (/ (- x y) (+ x y)))
  (pow (/ (- x y) (+ x y)) 3)
  (* (cbrt (/ (- x y) (+ x y))) (cbrt (/ (- x y) (+ x y))))
  (cbrt (/ (- x y) (+ x y)))
  (pow (/ (- x y) (+ x y)) 3)
  (sqrt (/ (- x y) (+ x y)))
  (sqrt (/ (- x y) (+ x y)))
  (neg (- x y))
  (neg (+ x y))
  (/ x (+ x y))
  (/ y (+ x y))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (cbrt (- x y)) (cbrt (+ x y)))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt (+ x y)))
  (/ (cbrt (- x y)) (sqrt (+ x y)))
  (* (cbrt (- x y)) (cbrt (- x y)))
  (/ (cbrt (- x y)) (+ x y))
  (* (cbrt (- x y)) (cbrt (- x y)))
  (/ (cbrt (- x y)) (+ x y))
  (/ (sqrt (- x y)) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (sqrt (- x y)) (cbrt (+ x y)))
  (/ (sqrt (- x y)) (sqrt (+ x y)))
  (/ (sqrt (- x y)) (sqrt (+ x y)))
  (sqrt (- x y))
  (/ (sqrt (- x y)) (+ x y))
  (sqrt (- x y))
  (/ (sqrt (- x y)) (+ x y))
  (/ 1 (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (- x y) (cbrt (+ x y)))
  (/ 1 (sqrt (+ x y)))
  (/ (- x y) (sqrt (+ x y)))
  1
  (/ (- x y) (+ x y))
  1
  (/ (- x y) (+ x y))
  (/ (+ (sqrt x) (sqrt y)) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (- (sqrt x) (sqrt y)) (cbrt (+ x y)))
  (/ (+ (sqrt x) (sqrt y)) (sqrt (+ x y)))
  (/ (- (sqrt x) (sqrt y)) (sqrt (+ x y)))
  (+ (sqrt x) (sqrt y))
  (/ (- (sqrt x) (sqrt y)) (+ x y))
  (+ (sqrt x) (sqrt y))
  (/ (- (sqrt x) (sqrt y)) (+ x y))
  (/ 1 (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (- x y) (cbrt (+ x y)))
  (/ 1 (sqrt (+ x y)))
  (/ (- x y) (sqrt (+ x y)))
  1
  (/ (- x y) (+ x y))
  1
  (/ (- x y) (+ x y))
  (/ 1 (+ x y))
  (/ (+ x y) (- x y))
  (/ (- x y) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (- x y) (sqrt (+ x y)))
  (- x y)
  (- x y)
  (/ (+ x y) (cbrt (- x y)))
  (/ (+ x y) (sqrt (- x y)))
  (/ (+ x y) (- x y))
  (/ (+ x y) (- (sqrt x) (sqrt y)))
  (/ (+ x y) (- x y))
  (/ (- x y) (+ (pow x 3) (pow y 3)))
  (/ 1 (+ x y))
  (* (+ (* y (+ y x)) (* x x)) (+ x y))
  (* (+ x y) (+ x y))
  -1
  1
  1
0.155 * * * [progress]: adding candidates to table
0.190 * * [progress]: iteration 2 / 4
0.190 * * * [progress]: picking best candidate
0.192 * * * * [pick]: Picked  #<alt (λ (x y) (* (- x y) (/ 1 (+ x y))))>
0.192 * * * [progress]: localizing error
0.197 * * * [progress]: generating rewritten candidates
0.197 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.212 * * * [progress]: generating series expansions
0.212 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.213 * [approximate]: Taking taylor expansion of (/ (- x y) (+ x y)) in (x y) around 0
0.213 * [taylor]: Taking taylor expansion of (/ (- x y) (+ x y)) in y
0.213 * [taylor]: Taking taylor expansion of (- x y) in y
0.213 * [taylor]: Taking taylor expansion of x in y
0.213 * [taylor]: Taking taylor expansion of y in y
0.213 * [taylor]: Taking taylor expansion of (+ x y) in y
0.213 * [taylor]: Taking taylor expansion of x in y
0.213 * [taylor]: Taking taylor expansion of y in y
0.213 * [taylor]: Taking taylor expansion of (/ (- x y) (+ x y)) in x
0.213 * [taylor]: Taking taylor expansion of (- x y) in x
0.213 * [taylor]: Taking taylor expansion of x in x
0.213 * [taylor]: Taking taylor expansion of y in x
0.213 * [taylor]: Taking taylor expansion of (+ x y) in x
0.213 * [taylor]: Taking taylor expansion of x in x
0.213 * [taylor]: Taking taylor expansion of y in x
0.213 * [taylor]: Taking taylor expansion of (/ (- x y) (+ x y)) in x
0.213 * [taylor]: Taking taylor expansion of (- x y) in x
0.213 * [taylor]: Taking taylor expansion of x in x
0.213 * [taylor]: Taking taylor expansion of y in x
0.213 * [taylor]: Taking taylor expansion of (+ x y) in x
0.213 * [taylor]: Taking taylor expansion of x in x
0.213 * [taylor]: Taking taylor expansion of y in x
0.213 * [taylor]: Taking taylor expansion of -1 in y
0.213 * [taylor]: Taking taylor expansion of (* 2 (/ 1 y)) in y
0.213 * [taylor]: Taking taylor expansion of 2 in y
0.213 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.213 * [taylor]: Taking taylor expansion of y in y
0.214 * [taylor]: Taking taylor expansion of (neg (* 2 (/ 1 (pow y 2)))) in y
0.214 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.214 * [taylor]: Taking taylor expansion of 2 in y
0.214 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.214 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.214 * [taylor]: Taking taylor expansion of y in y
0.214 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 3))) in y
0.214 * [taylor]: Taking taylor expansion of 2 in y
0.214 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.214 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.214 * [taylor]: Taking taylor expansion of y in y
0.215 * [approximate]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in (x y) around 0
0.215 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in y
0.215 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.215 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.215 * [taylor]: Taking taylor expansion of x in y
0.215 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.215 * [taylor]: Taking taylor expansion of y in y
0.215 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.215 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.215 * [taylor]: Taking taylor expansion of y in y
0.215 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.215 * [taylor]: Taking taylor expansion of x in y
0.215 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in x
0.215 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.215 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.215 * [taylor]: Taking taylor expansion of x in x
0.215 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.215 * [taylor]: Taking taylor expansion of y in x
0.215 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.215 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.215 * [taylor]: Taking taylor expansion of y in x
0.215 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.215 * [taylor]: Taking taylor expansion of x in x
0.215 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in x
0.215 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.215 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.215 * [taylor]: Taking taylor expansion of x in x
0.215 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.215 * [taylor]: Taking taylor expansion of y in x
0.215 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.215 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.215 * [taylor]: Taking taylor expansion of y in x
0.215 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.215 * [taylor]: Taking taylor expansion of x in x
0.215 * [taylor]: Taking taylor expansion of 1 in y
0.216 * [taylor]: Taking taylor expansion of (neg (* 2 (/ 1 y))) in y
0.216 * [taylor]: Taking taylor expansion of (* 2 (/ 1 y)) in y
0.216 * [taylor]: Taking taylor expansion of 2 in y
0.216 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.216 * [taylor]: Taking taylor expansion of y in y
0.216 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.216 * [taylor]: Taking taylor expansion of 2 in y
0.216 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.216 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.216 * [taylor]: Taking taylor expansion of y in y
0.217 * [taylor]: Taking taylor expansion of (neg (* 2 (/ 1 (pow y 3)))) in y
0.217 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 3))) in y
0.217 * [taylor]: Taking taylor expansion of 2 in y
0.217 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.217 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.217 * [taylor]: Taking taylor expansion of y in y
0.217 * [approximate]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) (+ (/ 1 y) (/ 1 x)))) in (x y) around 0
0.217 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) (+ (/ 1 y) (/ 1 x)))) in y
0.217 * [taylor]: Taking taylor expansion of -1 in y
0.217 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) (+ (/ 1 y) (/ 1 x))) in y
0.217 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.217 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.217 * [taylor]: Taking taylor expansion of y in y
0.217 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.217 * [taylor]: Taking taylor expansion of x in y
0.217 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.217 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.218 * [taylor]: Taking taylor expansion of y in y
0.218 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.218 * [taylor]: Taking taylor expansion of x in y
0.218 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) (+ (/ 1 y) (/ 1 x)))) in x
0.218 * [taylor]: Taking taylor expansion of -1 in x
0.218 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) (+ (/ 1 y) (/ 1 x))) in x
0.218 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.218 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.218 * [taylor]: Taking taylor expansion of y in x
0.218 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.218 * [taylor]: Taking taylor expansion of x in x
0.218 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.218 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.218 * [taylor]: Taking taylor expansion of y in x
0.218 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.218 * [taylor]: Taking taylor expansion of x in x
0.218 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) (+ (/ 1 y) (/ 1 x)))) in x
0.218 * [taylor]: Taking taylor expansion of -1 in x
0.218 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) (+ (/ 1 y) (/ 1 x))) in x
0.218 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.218 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.218 * [taylor]: Taking taylor expansion of y in x
0.218 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.218 * [taylor]: Taking taylor expansion of x in x
0.218 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.218 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.218 * [taylor]: Taking taylor expansion of y in x
0.218 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.218 * [taylor]: Taking taylor expansion of x in x
0.218 * [taylor]: Taking taylor expansion of 1 in y
0.218 * [taylor]: Taking taylor expansion of (neg (* 2 (/ 1 y))) in y
0.218 * [taylor]: Taking taylor expansion of (* 2 (/ 1 y)) in y
0.219 * [taylor]: Taking taylor expansion of 2 in y
0.219 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.219 * [taylor]: Taking taylor expansion of y in y
0.219 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.219 * [taylor]: Taking taylor expansion of 2 in y
0.219 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.219 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.219 * [taylor]: Taking taylor expansion of y in y
0.220 * [taylor]: Taking taylor expansion of (neg (* 2 (/ 1 (pow y 3)))) in y
0.220 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 3))) in y
0.220 * [taylor]: Taking taylor expansion of 2 in y
0.220 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.220 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.220 * [taylor]: Taking taylor expansion of y in y
0.220 * * * [progress]: simplifying candidates
0.221 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (- x y) (/ 1 (+ x y)))
  (+ (log (- x y)) (neg (log (+ x y))))
  (+ (log (- x y)) (- 0 (log (+ x y))))
  (+ (log (- x y)) (- (log 1) (log (+ x y))))
  (+ (log (- x y)) (log (/ 1 (+ x y))))
  (log (* (- x y) (/ 1 (+ x y))))
  (exp (* (- x y) (/ 1 (+ x y))))
  (* (* (* (- x y) (- x y)) (- x y)) (/ (* (* 1 1) 1) (* (* (+ x y) (+ x y)) (+ x y))))
  (* (* (* (- x y) (- x y)) (- x y)) (* (* (/ 1 (+ x y)) (/ 1 (+ x y))) (/ 1 (+ x y))))
  (* (cbrt (* (- x y) (/ 1 (+ x y)))) (cbrt (* (- x y) (/ 1 (+ x y)))))
  (cbrt (* (- x y) (/ 1 (+ x y))))
  (* (* (* (- x y) (/ 1 (+ x y))) (* (- x y) (/ 1 (+ x y)))) (* (- x y) (/ 1 (+ x y))))
  (sqrt (* (- x y) (/ 1 (+ x y))))
  (sqrt (* (- x y) (/ 1 (+ x y))))
  (* (- (pow x 3) (pow y 3)) 1)
  (* (+ (* x x) (+ (* y y) (* x y))) (+ x y))
  (* (- (* x x) (* y y)) 1)
  (* (+ x y) (+ x y))
  (* (sqrt (- x y)) (sqrt (/ 1 (+ x y))))
  (* (sqrt (- x y)) (sqrt (/ 1 (+ x y))))
  (* (sqrt (- x y)) (/ (sqrt 1) (sqrt (+ x y))))
  (* (sqrt (- x y)) (/ (sqrt 1) (sqrt (+ x y))))
  (* (sqrt (- x y)) (/ 1 (sqrt (+ x y))))
  (* (sqrt (- x y)) (/ 1 (sqrt (+ x y))))
  (* (- x y) (* (cbrt (/ 1 (+ x y))) (cbrt (/ 1 (+ x y)))))
  (* (- x y) (sqrt (/ 1 (+ x y))))
  (* (- x y) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (+ x y)) (cbrt (+ x y)))))
  (* (- x y) (/ (* (cbrt 1) (cbrt 1)) (sqrt (+ x y))))
  (* (- x y) (/ (* (cbrt 1) (cbrt 1)) 1))
  (* (- x y) (/ (* (cbrt 1) (cbrt 1)) 1))
  (* (- x y) (/ (sqrt 1) (* (cbrt (+ x y)) (cbrt (+ x y)))))
  (* (- x y) (/ (sqrt 1) (sqrt (+ x y))))
  (* (- x y) (/ (sqrt 1) 1))
  (* (- x y) (/ (sqrt 1) 1))
  (* (- x y) (/ 1 (* (cbrt (+ x y)) (cbrt (+ x y)))))
  (* (- x y) (/ 1 (sqrt (+ x y))))
  (* (- x y) (/ 1 1))
  (* (- x y) (/ 1 1))
  (* (- x y) 1)
  (* (- x y) 1)
  (* (- x y) (/ 1 (+ (pow x 3) (pow y 3))))
  (* (- x y) (/ 1 (- (* x x) (* y y))))
  (* (cbrt (- x y)) (/ 1 (+ x y)))
  (* (sqrt (- x y)) (/ 1 (+ x y)))
  (* (- x y) (/ 1 (+ x y)))
  (* (- (sqrt x) (sqrt y)) (/ 1 (+ x y)))
  (* (- x y) (/ 1 (+ x y)))
  (* (- x y) 1)
  (* (- (pow x 3) (pow y 3)) (/ 1 (+ x y)))
  (* (- (* x x) (* y y)) (/ 1 (+ x y)))
  -1
  1
  1
0.225 * * [simplify]: iteration  0 :  259  enodes  (cost  274 )
0.230 * * [simplify]: iteration  1 :  1174  enodes  (cost  235 )
0.251 * * [simplify]: iteration  2 :  5002  enodes  (cost  206 )
0.253 * [simplify]: Simplified to:
   (/ (- x y) (+ x y))
  (- (log (- x y)) (log (+ x y)))
  (- (log (- x y)) (log (+ x y)))
  (- (log (- x y)) (log (+ x y)))
  (- (log (- x y)) (log (+ x y)))
  (- (log (- x y)) (log (+ x y)))
  (exp (* (- x y) (/ 1 (+ x y))))
  (pow (/ (- x y) (+ x y)) 3)
  (pow (/ (- x y) (+ x y)) 3)
  (* (cbrt (* (- x y) (/ 1 (+ x y)))) (cbrt (* (- x y) (/ 1 (+ x y)))))
  (cbrt (* (- x y) (/ 1 (+ x y))))
  (pow (/ (- x y) (+ x y)) 3)
  (sqrt (* (- x y) (/ 1 (+ x y))))
  (sqrt (* (- x y) (/ 1 (+ x y))))
  (- (pow x 3) (pow y 3))
  (* (+ x y) (+ (* y (+ y x)) (* x x)))
  (- (* x x) (* y y))
  (* (+ x y) (+ x y))
  (* (sqrt (- x y)) (sqrt (/ 1 (+ x y))))
  (* (sqrt (- x y)) (sqrt (/ 1 (+ x y))))
  (/ (sqrt (- x y)) (sqrt (+ x y)))
  (/ (sqrt (- x y)) (sqrt (+ x y)))
  (/ (sqrt (- x y)) (sqrt (+ x y)))
  (/ (sqrt (- x y)) (sqrt (+ x y)))
  (* (- x y) (* (cbrt (/ 1 (+ x y))) (cbrt (/ 1 (+ x y)))))
  (* (- x y) (sqrt (/ 1 (+ x y))))
  (/ (- x y) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (- x y) (sqrt (+ x y)))
  (- x y)
  (- x y)
  (/ (- x y) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (- x y) (sqrt (+ x y)))
  (- x y)
  (- x y)
  (/ (- x y) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (- x y) (sqrt (+ x y)))
  (- x y)
  (- x y)
  (- x y)
  (- x y)
  (/ (- x y) (+ (pow x 3) (pow y 3)))
  (/ 1 (+ x y))
  (/ (cbrt (- x y)) (+ x y))
  (/ (sqrt (- x y)) (+ x y))
  (/ (- x y) (+ x y))
  (/ (- (sqrt x) (sqrt y)) (+ x y))
  (/ (- x y) (+ x y))
  (- x y)
  (/ (- (pow x 3) (pow y 3)) (+ x y))
  (- x y)
  -1
  1
  1
0.253 * * * [progress]: adding candidates to table
0.288 * [progress]: [Phase 3 of 3] Extracting.
0.288 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (/ (- x y) (+ x y)))> #<alt (λ (x y) (* (- x y) (/ 1 (+ x y))))>)
0.288 * * * [regime-changes]: Trying 3 branch expressions: ((/ (- x y) (+ x y)) y x)
0.288 * * * * [regimes]: Trying to branch on (/ (- x y) (+ x y)) from (#<alt (λ (x y) (/ (- x y) (+ x y)))> #<alt (λ (x y) (* (- x y) (/ 1 (+ x y))))>)
0.315 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (/ (- x y) (+ x y)))> #<alt (λ (x y) (* (- x y) (/ 1 (+ x y))))>)
0.344 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (/ (- x y) (+ x y)))> #<alt (λ (x y) (* (- x y) (/ 1 (+ x y))))>)
0.375 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.375 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- x y) (+ x y))
0.376 * * [simplify]: iteration  0 :  6  enodes  (cost  3 )
0.376 * * [simplify]: iteration  1 :  6  enodes  (cost  3 )
0.377 * [simplify]: Simplified to:
   (/ (- x y) (+ x y))
0.968 * [regime-testing]: End program error score: 0.02582879266275473
1.029 * [regime-testing]: Target error score: 0.021575817289751362