8.808 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.019 * * * [progress]: [2/2] Setting up program.
0.022 * [progress]: [Phase 2 of 3] Improving.
0.022 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- x y) (* (* x 2.0) y))
0.025 * * [simplify]: iteration  0 :  145  enodes  (cost  9 )
0.026 * * [simplify]: iteration  1 :  145  enodes  (cost  9 )
0.026 * [simplify]: Simplified to:
   (/ (- x y) (* x (* y 2.0)))
0.028 * * [progress]: iteration 1 / 4
0.028 * * * [progress]: picking best candidate
0.030 * * * * [pick]: Picked  #<alt (λ (x y) (/ (- x y) (* (* x 2.0) y)))>
0.030 * * * [progress]: localizing error
0.036 * * * [progress]: generating rewritten candidates
0.036 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.046 * * * [progress]: generating series expansions
0.046 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.046 * [approximate]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in (x y) around 0
0.046 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in y
0.046 * [taylor]: Taking taylor expansion of 0.5 in y
0.046 * [taylor]: Taking taylor expansion of (/ (- x y) (* x y)) in y
0.046 * [taylor]: Taking taylor expansion of (- x y) in y
0.046 * [taylor]: Taking taylor expansion of x in y
0.047 * [taylor]: Taking taylor expansion of y in y
0.047 * [taylor]: Taking taylor expansion of (* x y) in y
0.047 * [taylor]: Taking taylor expansion of x in y
0.047 * [taylor]: Taking taylor expansion of y in y
0.047 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in x
0.047 * [taylor]: Taking taylor expansion of 0.5 in x
0.047 * [taylor]: Taking taylor expansion of (/ (- x y) (* x y)) in x
0.047 * [taylor]: Taking taylor expansion of (- x y) in x
0.047 * [taylor]: Taking taylor expansion of x in x
0.047 * [taylor]: Taking taylor expansion of y in x
0.047 * [taylor]: Taking taylor expansion of (* x y) in x
0.047 * [taylor]: Taking taylor expansion of x in x
0.047 * [taylor]: Taking taylor expansion of y in x
0.047 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in x
0.047 * [taylor]: Taking taylor expansion of 0.5 in x
0.047 * [taylor]: Taking taylor expansion of (/ (- x y) (* x y)) in x
0.047 * [taylor]: Taking taylor expansion of (- x y) in x
0.047 * [taylor]: Taking taylor expansion of x in x
0.047 * [taylor]: Taking taylor expansion of y in x
0.047 * [taylor]: Taking taylor expansion of (* x y) in x
0.047 * [taylor]: Taking taylor expansion of x in x
0.047 * [taylor]: Taking taylor expansion of y in x
0.047 * [taylor]: Taking taylor expansion of -0.5 in y
0.047 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.047 * [taylor]: Taking taylor expansion of 0.5 in y
0.047 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.047 * [taylor]: Taking taylor expansion of y in y
0.048 * [taylor]: Taking taylor expansion of 0 in y
0.048 * [taylor]: Taking taylor expansion of 0 in y
0.048 * [taylor]: Taking taylor expansion of 0 in y
0.049 * [approximate]: Taking taylor expansion of (* 0.5 (* x (* (- (/ 1 x) (/ 1 y)) y))) in (x y) around 0
0.049 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* (- (/ 1 x) (/ 1 y)) y))) in y
0.049 * [taylor]: Taking taylor expansion of 0.5 in y
0.049 * [taylor]: Taking taylor expansion of (* x (* (- (/ 1 x) (/ 1 y)) y)) in y
0.049 * [taylor]: Taking taylor expansion of x in y
0.049 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in y
0.049 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.049 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.049 * [taylor]: Taking taylor expansion of x in y
0.049 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.049 * [taylor]: Taking taylor expansion of y in y
0.049 * [taylor]: Taking taylor expansion of y in y
0.049 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* (- (/ 1 x) (/ 1 y)) y))) in x
0.049 * [taylor]: Taking taylor expansion of 0.5 in x
0.049 * [taylor]: Taking taylor expansion of (* x (* (- (/ 1 x) (/ 1 y)) y)) in x
0.049 * [taylor]: Taking taylor expansion of x in x
0.049 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in x
0.049 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.049 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.049 * [taylor]: Taking taylor expansion of x in x
0.049 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.049 * [taylor]: Taking taylor expansion of y in x
0.049 * [taylor]: Taking taylor expansion of y in x
0.049 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* (- (/ 1 x) (/ 1 y)) y))) in x
0.049 * [taylor]: Taking taylor expansion of 0.5 in x
0.049 * [taylor]: Taking taylor expansion of (* x (* (- (/ 1 x) (/ 1 y)) y)) in x
0.049 * [taylor]: Taking taylor expansion of x in x
0.049 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in x
0.049 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.049 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.049 * [taylor]: Taking taylor expansion of x in x
0.049 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.049 * [taylor]: Taking taylor expansion of y in x
0.049 * [taylor]: Taking taylor expansion of y in x
0.049 * [taylor]: Taking taylor expansion of 0 in y
0.050 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.050 * [taylor]: Taking taylor expansion of 0.5 in y
0.050 * [taylor]: Taking taylor expansion of y in y
0.050 * [taylor]: Taking taylor expansion of (neg 0.5) in y
0.050 * [taylor]: Taking taylor expansion of 0.5 in y
0.050 * [taylor]: Taking taylor expansion of 0 in y
0.051 * [taylor]: Taking taylor expansion of 0 in y
0.051 * [taylor]: Taking taylor expansion of 0 in y
0.052 * [approximate]: Taking taylor expansion of (* 0.5 (* x (* (- (/ 1 y) (/ 1 x)) y))) in (x y) around 0
0.052 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* (- (/ 1 y) (/ 1 x)) y))) in y
0.052 * [taylor]: Taking taylor expansion of 0.5 in y
0.052 * [taylor]: Taking taylor expansion of (* x (* (- (/ 1 y) (/ 1 x)) y)) in y
0.052 * [taylor]: Taking taylor expansion of x in y
0.052 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) y) in y
0.052 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.052 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.052 * [taylor]: Taking taylor expansion of y in y
0.052 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.052 * [taylor]: Taking taylor expansion of x in y
0.052 * [taylor]: Taking taylor expansion of y in y
0.052 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* (- (/ 1 y) (/ 1 x)) y))) in x
0.052 * [taylor]: Taking taylor expansion of 0.5 in x
0.052 * [taylor]: Taking taylor expansion of (* x (* (- (/ 1 y) (/ 1 x)) y)) in x
0.052 * [taylor]: Taking taylor expansion of x in x
0.052 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) y) in x
0.052 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.052 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.052 * [taylor]: Taking taylor expansion of y in x
0.052 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.052 * [taylor]: Taking taylor expansion of x in x
0.052 * [taylor]: Taking taylor expansion of y in x
0.052 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* (- (/ 1 y) (/ 1 x)) y))) in x
0.052 * [taylor]: Taking taylor expansion of 0.5 in x
0.052 * [taylor]: Taking taylor expansion of (* x (* (- (/ 1 y) (/ 1 x)) y)) in x
0.052 * [taylor]: Taking taylor expansion of x in x
0.052 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) y) in x
0.052 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.052 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.052 * [taylor]: Taking taylor expansion of y in x
0.052 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.052 * [taylor]: Taking taylor expansion of x in x
0.052 * [taylor]: Taking taylor expansion of y in x
0.052 * [taylor]: Taking taylor expansion of 0 in y
0.053 * [taylor]: Taking taylor expansion of (neg (* 0.5 y)) in y
0.053 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.053 * [taylor]: Taking taylor expansion of 0.5 in y
0.053 * [taylor]: Taking taylor expansion of y in y
0.053 * [taylor]: Taking taylor expansion of 0.5 in y
0.053 * [taylor]: Taking taylor expansion of 0 in y
0.054 * [taylor]: Taking taylor expansion of 0 in y
0.054 * [taylor]: Taking taylor expansion of 0 in y
0.054 * * * [progress]: simplifying candidates
0.055 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (- x y)) (+ (+ (log x) (log 2.0)) (log y)))
  (- (log (- x y)) (+ (log (* x 2.0)) (log y)))
  (- (log (- x y)) (log (* (* x 2.0) y)))
  (log (/ (- x y) (* (* x 2.0) y)))
  (exp (/ (- x y) (* (* x 2.0) y)))
  (/ (* (* (- x y) (- x y)) (- x y)) (* (* (* (* x x) x) (* (* 2.0 2.0) 2.0)) (* (* y y) y)))
  (/ (* (* (- x y) (- x y)) (- x y)) (* (* (* (* x 2.0) (* x 2.0)) (* x 2.0)) (* (* y y) y)))
  (/ (* (* (- x y) (- x y)) (- x y)) (* (* (* (* x 2.0) y) (* (* x 2.0) y)) (* (* x 2.0) y)))
  (* (cbrt (/ (- x y) (* (* x 2.0) y))) (cbrt (/ (- x y) (* (* x 2.0) y))))
  (cbrt (/ (- x y) (* (* x 2.0) y)))
  (* (* (/ (- x y) (* (* x 2.0) y)) (/ (- x y) (* (* x 2.0) y))) (/ (- x y) (* (* x 2.0) y)))
  (sqrt (/ (- x y) (* (* x 2.0) y)))
  (sqrt (/ (- x y) (* (* x 2.0) y)))
  (neg (- x y))
  (neg (* (* x 2.0) y))
  (/ x (* (* x 2.0) y))
  (/ y (* (* x 2.0) y))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (* x 2.0))
  (/ (cbrt (- x y)) y)
  (/ (sqrt (- x y)) (* x 2.0))
  (/ (sqrt (- x y)) y)
  (/ 1 (* x 2.0))
  (/ (- x y) y)
  (/ (+ (sqrt x) (sqrt y)) (* x 2.0))
  (/ (- (sqrt x) (sqrt y)) y)
  (/ 1 (* x 2.0))
  (/ (- x y) y)
  (/ 1 (* (* x 2.0) y))
  (/ (* (* x 2.0) y) (- x y))
  (/ (- x y) (* x 2.0))
  (/ (* (* x 2.0) y) (cbrt (- x y)))
  (/ (* (* x 2.0) y) (sqrt (- x y)))
  (/ (* (* x 2.0) y) (- x y))
  (/ (* (* x 2.0) y) (- (sqrt x) (sqrt y)))
  (/ (* (* x 2.0) y) (- x y))
  (* (* (* x 2.0) y) (+ (* x x) (+ (* y y) (* x y))))
  (* (* (* x 2.0) y) (+ x y))
  (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
0.077 * * [simplify]: iteration  0 :  5106  enodes  (cost  351 )
0.079 * [simplify]: Simplified to:
   (log (/ (- x y) (* x (* y 2.0))))
  (log (/ (- x y) (* x (* y 2.0))))
  (log (/ (- x y) (* x (* y 2.0))))
  (log (/ (- x y) (* x (* y 2.0))))
  (exp (/ (- x y) (* x (* y 2.0))))
  (pow (/ (- x y) (* x (* y 2.0))) 3)
  (pow (/ (- x y) (* x (* y 2.0))) 3)
  (pow (/ (- x y) (* x (* y 2.0))) 3)
  (* (cbrt (/ (- x y) (* x (* y 2.0)))) (cbrt (/ (- x y) (* x (* y 2.0)))))
  (cbrt (/ (- x y) (* x (* y 2.0))))
  (pow (/ (- x y) (* x (* y 2.0))) 3)
  (sqrt (/ (- x y) (* x (* y 2.0))))
  (sqrt (/ (- x y) (* x (* y 2.0))))
  (+ y (neg x))
  (* x (* y (neg 2.0)))
  (/ 1 (* y 2.0))
  (/ 1 (* x 2.0))
  (* (cbrt (- x y)) (/ (cbrt (- x y)) (* x 2.0)))
  (/ (cbrt (- x y)) y)
  (/ (sqrt (- x y)) (* x 2.0))
  (/ (sqrt (- x y)) y)
  (/ 1 (* x 2.0))
  (+ (/ x y) -1)
  (/ (+ (sqrt x) (sqrt y)) (* x 2.0))
  (/ (- (sqrt x) (sqrt y)) y)
  (/ 1 (* x 2.0))
  (+ (/ x y) -1)
  (/ (/ 1 (* y 2.0)) x)
  (* y (/ x (/ (- x y) 2.0)))
  (/ (- x y) (* x 2.0))
  (* y (* (/ x (cbrt (- x y))) 2.0))
  (* y (/ x (/ (sqrt (- x y)) 2.0)))
  (* y (/ x (/ (- x y) 2.0)))
  (* y (/ x (/ (- (sqrt x) (sqrt y)) 2.0)))
  (* y (/ x (/ (- x y) 2.0)))
  (* x (* y (* 2.0 (+ (* x x) (* y (+ x y))))))
  (* x (* y (* 2.0 (+ x y))))
  (- (/ 0.5 y) (/ 0.5 x))
  (- (/ 0.5 y) (/ 0.5 x))
  (- (/ 0.5 y) (/ 0.5 x))
0.079 * * * [progress]: adding candidates to table
0.118 * * [progress]: iteration 2 / 4
0.119 * * * [progress]: picking best candidate
0.123 * * * * [pick]: Picked  #<alt (λ (x y) (* (/ 1 (* x 2.0)) (+ (/ x y) -1)))>
0.123 * * * [progress]: localizing error
0.130 * * * [progress]: generating rewritten candidates
0.131 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.148 * * * [progress]: generating series expansions
0.148 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.148 * [approximate]: Taking taylor expansion of (* 0.5 (/ (- (/ x y) 1) x)) in (x y) around 0
0.148 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- (/ x y) 1) x)) in y
0.148 * [taylor]: Taking taylor expansion of 0.5 in y
0.148 * [taylor]: Taking taylor expansion of (/ (- (/ x y) 1) x) in y
0.148 * [taylor]: Taking taylor expansion of (- (/ x y) 1) in y
0.148 * [taylor]: Taking taylor expansion of (/ x y) in y
0.148 * [taylor]: Taking taylor expansion of x in y
0.148 * [taylor]: Taking taylor expansion of y in y
0.148 * [taylor]: Taking taylor expansion of 1 in y
0.148 * [taylor]: Taking taylor expansion of x in y
0.149 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- (/ x y) 1) x)) in x
0.149 * [taylor]: Taking taylor expansion of 0.5 in x
0.149 * [taylor]: Taking taylor expansion of (/ (- (/ x y) 1) x) in x
0.149 * [taylor]: Taking taylor expansion of (- (/ x y) 1) in x
0.149 * [taylor]: Taking taylor expansion of (/ x y) in x
0.149 * [taylor]: Taking taylor expansion of x in x
0.149 * [taylor]: Taking taylor expansion of y in x
0.149 * [taylor]: Taking taylor expansion of 1 in x
0.149 * [taylor]: Taking taylor expansion of x in x
0.149 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- (/ x y) 1) x)) in x
0.149 * [taylor]: Taking taylor expansion of 0.5 in x
0.149 * [taylor]: Taking taylor expansion of (/ (- (/ x y) 1) x) in x
0.149 * [taylor]: Taking taylor expansion of (- (/ x y) 1) in x
0.149 * [taylor]: Taking taylor expansion of (/ x y) in x
0.149 * [taylor]: Taking taylor expansion of x in x
0.149 * [taylor]: Taking taylor expansion of y in x
0.149 * [taylor]: Taking taylor expansion of 1 in x
0.149 * [taylor]: Taking taylor expansion of x in x
0.149 * [taylor]: Taking taylor expansion of -0.5 in y
0.149 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.149 * [taylor]: Taking taylor expansion of 0.5 in y
0.149 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.149 * [taylor]: Taking taylor expansion of y in y
0.149 * [taylor]: Taking taylor expansion of 0 in y
0.150 * [taylor]: Taking taylor expansion of 0 in y
0.150 * [taylor]: Taking taylor expansion of 0 in y
0.150 * [approximate]: Taking taylor expansion of (* 0.5 (* (- (/ y x) 1) x)) in (x y) around 0
0.150 * [taylor]: Taking taylor expansion of (* 0.5 (* (- (/ y x) 1) x)) in y
0.150 * [taylor]: Taking taylor expansion of 0.5 in y
0.150 * [taylor]: Taking taylor expansion of (* (- (/ y x) 1) x) in y
0.150 * [taylor]: Taking taylor expansion of (- (/ y x) 1) in y
0.151 * [taylor]: Taking taylor expansion of (/ y x) in y
0.151 * [taylor]: Taking taylor expansion of y in y
0.151 * [taylor]: Taking taylor expansion of x in y
0.151 * [taylor]: Taking taylor expansion of 1 in y
0.151 * [taylor]: Taking taylor expansion of x in y
0.151 * [taylor]: Taking taylor expansion of (* 0.5 (* (- (/ y x) 1) x)) in x
0.151 * [taylor]: Taking taylor expansion of 0.5 in x
0.151 * [taylor]: Taking taylor expansion of (* (- (/ y x) 1) x) in x
0.151 * [taylor]: Taking taylor expansion of (- (/ y x) 1) in x
0.151 * [taylor]: Taking taylor expansion of (/ y x) in x
0.151 * [taylor]: Taking taylor expansion of y in x
0.151 * [taylor]: Taking taylor expansion of x in x
0.151 * [taylor]: Taking taylor expansion of 1 in x
0.151 * [taylor]: Taking taylor expansion of x in x
0.151 * [taylor]: Taking taylor expansion of (* 0.5 (* (- (/ y x) 1) x)) in x
0.151 * [taylor]: Taking taylor expansion of 0.5 in x
0.151 * [taylor]: Taking taylor expansion of (* (- (/ y x) 1) x) in x
0.151 * [taylor]: Taking taylor expansion of (- (/ y x) 1) in x
0.151 * [taylor]: Taking taylor expansion of (/ y x) in x
0.151 * [taylor]: Taking taylor expansion of y in x
0.151 * [taylor]: Taking taylor expansion of x in x
0.151 * [taylor]: Taking taylor expansion of 1 in x
0.151 * [taylor]: Taking taylor expansion of x in x
0.151 * [taylor]: Taking taylor expansion of 0 in y
0.151 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.151 * [taylor]: Taking taylor expansion of 0.5 in y
0.151 * [taylor]: Taking taylor expansion of y in y
0.151 * [taylor]: Taking taylor expansion of (neg 0.5) in y
0.151 * [taylor]: Taking taylor expansion of 0.5 in y
0.152 * [taylor]: Taking taylor expansion of 0 in y
0.152 * [taylor]: Taking taylor expansion of 0 in y
0.152 * [approximate]: Taking taylor expansion of (* -0.5 (* (- (/ y x) 1) x)) in (x y) around 0
0.152 * [taylor]: Taking taylor expansion of (* -0.5 (* (- (/ y x) 1) x)) in y
0.152 * [taylor]: Taking taylor expansion of -0.5 in y
0.152 * [taylor]: Taking taylor expansion of (* (- (/ y x) 1) x) in y
0.152 * [taylor]: Taking taylor expansion of (- (/ y x) 1) in y
0.152 * [taylor]: Taking taylor expansion of (/ y x) in y
0.152 * [taylor]: Taking taylor expansion of y in y
0.152 * [taylor]: Taking taylor expansion of x in y
0.152 * [taylor]: Taking taylor expansion of 1 in y
0.152 * [taylor]: Taking taylor expansion of x in y
0.153 * [taylor]: Taking taylor expansion of (* -0.5 (* (- (/ y x) 1) x)) in x
0.153 * [taylor]: Taking taylor expansion of -0.5 in x
0.153 * [taylor]: Taking taylor expansion of (* (- (/ y x) 1) x) in x
0.153 * [taylor]: Taking taylor expansion of (- (/ y x) 1) in x
0.153 * [taylor]: Taking taylor expansion of (/ y x) in x
0.153 * [taylor]: Taking taylor expansion of y in x
0.153 * [taylor]: Taking taylor expansion of x in x
0.153 * [taylor]: Taking taylor expansion of 1 in x
0.153 * [taylor]: Taking taylor expansion of x in x
0.153 * [taylor]: Taking taylor expansion of (* -0.5 (* (- (/ y x) 1) x)) in x
0.153 * [taylor]: Taking taylor expansion of -0.5 in x
0.153 * [taylor]: Taking taylor expansion of (* (- (/ y x) 1) x) in x
0.153 * [taylor]: Taking taylor expansion of (- (/ y x) 1) in x
0.153 * [taylor]: Taking taylor expansion of (/ y x) in x
0.153 * [taylor]: Taking taylor expansion of y in x
0.153 * [taylor]: Taking taylor expansion of x in x
0.153 * [taylor]: Taking taylor expansion of 1 in x
0.153 * [taylor]: Taking taylor expansion of x in x
0.153 * [taylor]: Taking taylor expansion of 0 in y
0.153 * [taylor]: Taking taylor expansion of (neg (* 0.5 y)) in y
0.153 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.153 * [taylor]: Taking taylor expansion of 0.5 in y
0.153 * [taylor]: Taking taylor expansion of y in y
0.153 * [taylor]: Taking taylor expansion of 0.5 in y
0.154 * [taylor]: Taking taylor expansion of 0 in y
0.154 * [taylor]: Taking taylor expansion of 0 in y
0.154 * * * [progress]: simplifying candidates
0.155 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (/ 1 (* x 2.0)) (+ (/ x y) -1))
  (+ (neg (+ (log x) (log 2.0))) (log (+ (/ x y) -1)))
  (+ (neg (log (* x 2.0))) (log (+ (/ x y) -1)))
  (+ (- 0 (+ (log x) (log 2.0))) (log (+ (/ x y) -1)))
  (+ (- 0 (log (* x 2.0))) (log (+ (/ x y) -1)))
  (+ (- (log 1) (+ (log x) (log 2.0))) (log (+ (/ x y) -1)))
  (+ (- (log 1) (log (* x 2.0))) (log (+ (/ x y) -1)))
  (+ (log (/ 1 (* x 2.0))) (log (+ (/ x y) -1)))
  (log (* (/ 1 (* x 2.0)) (+ (/ x y) -1)))
  (exp (* (/ 1 (* x 2.0)) (+ (/ x y) -1)))
  (* (/ (* (* 1 1) 1) (* (* (* x x) x) (* (* 2.0 2.0) 2.0))) (* (* (+ (/ x y) -1) (+ (/ x y) -1)) (+ (/ x y) -1)))
  (* (/ (* (* 1 1) 1) (* (* (* x 2.0) (* x 2.0)) (* x 2.0))) (* (* (+ (/ x y) -1) (+ (/ x y) -1)) (+ (/ x y) -1)))
  (* (* (* (/ 1 (* x 2.0)) (/ 1 (* x 2.0))) (/ 1 (* x 2.0))) (* (* (+ (/ x y) -1) (+ (/ x y) -1)) (+ (/ x y) -1)))
  (* (cbrt (* (/ 1 (* x 2.0)) (+ (/ x y) -1))) (cbrt (* (/ 1 (* x 2.0)) (+ (/ x y) -1))))
  (cbrt (* (/ 1 (* x 2.0)) (+ (/ x y) -1)))
  (* (* (* (/ 1 (* x 2.0)) (+ (/ x y) -1)) (* (/ 1 (* x 2.0)) (+ (/ x y) -1))) (* (/ 1 (* x 2.0)) (+ (/ x y) -1)))
  (sqrt (* (/ 1 (* x 2.0)) (+ (/ x y) -1)))
  (sqrt (* (/ 1 (* x 2.0)) (+ (/ x y) -1)))
  (* 1 (+ (pow (/ x y) 3) (pow -1 3)))
  (* (* x 2.0) (+ (* (/ x y) (/ x y)) (- (* -1 -1) (* (/ x y) -1))))
  (* 1 (- (* (/ x y) (/ x y)) (* -1 -1)))
  (* (* x 2.0) (- (/ x y) -1))
  (* (sqrt (/ 1 (* x 2.0))) (sqrt (+ (/ x y) -1)))
  (* (sqrt (/ 1 (* x 2.0))) (sqrt (+ (/ x y) -1)))
  (* (/ 1 (* x 2.0)) (/ x y))
  (* (/ 1 (* x 2.0)) -1)
  (* (/ x y) (/ 1 (* x 2.0)))
  (* -1 (/ 1 (* x 2.0)))
  (* (/ 1 (* x 2.0)) (* (cbrt (+ (/ x y) -1)) (cbrt (+ (/ x y) -1))))
  (* (/ 1 (* x 2.0)) (sqrt (+ (/ x y) -1)))
  (* (/ 1 (* x 2.0)) 1)
  (* (/ 1 (* x 2.0)) (+ (sqrt (/ x y)) 1))
  (* (/ 1 (* x 2.0)) (+ (/ (sqrt x) (sqrt y)) 1))
  (* (/ 1 (* x 2.0)) 1)
  (* (cbrt (/ 1 (* x 2.0))) (+ (/ x y) -1))
  (* (sqrt (/ 1 (* x 2.0))) (+ (/ x y) -1))
  (* (/ (cbrt 1) 2.0) (+ (/ x y) -1))
  (* (/ (sqrt 1) 2.0) (+ (/ x y) -1))
  (* (/ 1 2.0) (+ (/ x y) -1))
  (* (/ 1 (* x 2.0)) (+ (/ x y) -1))
  (* (/ 1 (* x 2.0)) (+ (/ x y) -1))
  (* (/ 1 (* x 2.0)) (+ (pow (/ x y) 3) (pow -1 3)))
  (* (/ 1 (* x 2.0)) (- (* (/ x y) (/ x y)) (* -1 -1)))
  (* 1 (+ (/ x y) -1))
  (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
0.190 * * [simplify]: iteration  0 :  5133  enodes  (cost  454 )
0.192 * [simplify]: Simplified to:
   (/ (+ (/ x y) -1) (* x 2.0))
  (log (/ (+ (/ x y) -1) (* x 2.0)))
  (log (/ (+ (/ x y) -1) (* x 2.0)))
  (log (/ (+ (/ x y) -1) (* x 2.0)))
  (log (/ (+ (/ x y) -1) (* x 2.0)))
  (log (/ (+ (/ x y) -1) (* x 2.0)))
  (log (/ (+ (/ x y) -1) (* x 2.0)))
  (log (/ (+ (/ x y) -1) (* x 2.0)))
  (log (/ (+ (/ x y) -1) (* x 2.0)))
  (exp (/ (+ (/ x y) -1) (* x 2.0)))
  (pow (/ (+ (/ x y) -1) (* x 2.0)) 3)
  (pow (/ (+ (/ x y) -1) (* x 2.0)) 3)
  (pow (/ (+ (/ x y) -1) (* x 2.0)) 3)
  (* (cbrt (/ (+ (/ x y) -1) (* x 2.0))) (cbrt (/ (+ (/ x y) -1) (* x 2.0))))
  (cbrt (/ (+ (/ x y) -1) (* x 2.0)))
  (pow (/ (+ (/ x y) -1) (* x 2.0)) 3)
  (sqrt (/ (+ (/ x y) -1) (* x 2.0)))
  (sqrt (/ (+ (/ x y) -1) (* x 2.0)))
  (+ -1 (pow (/ x y) 3))
  (* x (+ 2.0 (* 2.0 (* (/ x y) (+ 1 (/ x y))))))
  (+ -1 (* (/ x y) (/ x y)))
  (* x (+ 2.0 (* 2.0 (/ x y))))
  (* (sqrt (/ 1 (* x 2.0))) (sqrt (+ (/ x y) -1)))
  (* (sqrt (/ 1 (* x 2.0))) (sqrt (+ (/ x y) -1)))
  (/ (/ 1 2.0) y)
  (/ -1 (* x 2.0))
  (/ (/ 1 2.0) y)
  (/ -1 (* x 2.0))
  (* (cbrt (+ (/ x y) -1)) (/ (cbrt (+ (/ x y) -1)) (* x 2.0)))
  (/ (sqrt (+ (/ x y) -1)) (* x 2.0))
  (/ 1 (* x 2.0))
  (/ (+ 1 (sqrt (/ x y))) (* x 2.0))
  (/ (+ 1 (/ (sqrt x) (sqrt y))) (* x 2.0))
  (/ 1 (* x 2.0))
  (* (+ (/ x y) -1) (cbrt (/ 1 (* x 2.0))))
  (* (+ (/ x y) -1) (sqrt (/ 1 (* x 2.0))))
  (* (+ (/ x y) -1) (/ (cbrt 1) 2.0))
  (/ (+ (/ x y) -1) 2.0)
  (/ (+ (/ x y) -1) 2.0)
  (/ (+ (/ x y) -1) (* x 2.0))
  (/ (+ (/ x y) -1) (* x 2.0))
  (/ (+ -1 (pow (/ x y) 3)) (* x 2.0))
  (/ (+ -1 (* (/ x y) (/ x y))) (* x 2.0))
  (+ (/ x y) -1)
  (- (/ 0.5 y) (/ 0.5 x))
  (- (/ 0.5 y) (/ 0.5 x))
  (- (/ 0.5 y) (/ 0.5 x))
0.192 * * * [progress]: adding candidates to table
0.235 * * [progress]: iteration 3 / 4
0.235 * * * [progress]: picking best candidate
0.237 * * * * [pick]: Picked  #<alt (λ (x y) (/ (/ (- x y) (* x 2.0)) y))>
0.237 * * * [progress]: localizing error
0.243 * * * [progress]: generating rewritten candidates
0.243 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.253 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.263 * * * [progress]: generating series expansions
0.263 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.264 * [approximate]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in (x y) around 0
0.264 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in y
0.264 * [taylor]: Taking taylor expansion of 0.5 in y
0.264 * [taylor]: Taking taylor expansion of (/ (- x y) (* x y)) in y
0.264 * [taylor]: Taking taylor expansion of (- x y) in y
0.264 * [taylor]: Taking taylor expansion of x in y
0.264 * [taylor]: Taking taylor expansion of y in y
0.264 * [taylor]: Taking taylor expansion of (* x y) in y
0.264 * [taylor]: Taking taylor expansion of x in y
0.264 * [taylor]: Taking taylor expansion of y in y
0.264 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in x
0.264 * [taylor]: Taking taylor expansion of 0.5 in x
0.264 * [taylor]: Taking taylor expansion of (/ (- x y) (* x y)) in x
0.264 * [taylor]: Taking taylor expansion of (- x y) in x
0.264 * [taylor]: Taking taylor expansion of x in x
0.264 * [taylor]: Taking taylor expansion of y in x
0.264 * [taylor]: Taking taylor expansion of (* x y) in x
0.264 * [taylor]: Taking taylor expansion of x in x
0.264 * [taylor]: Taking taylor expansion of y in x
0.264 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in x
0.264 * [taylor]: Taking taylor expansion of 0.5 in x
0.264 * [taylor]: Taking taylor expansion of (/ (- x y) (* x y)) in x
0.264 * [taylor]: Taking taylor expansion of (- x y) in x
0.264 * [taylor]: Taking taylor expansion of x in x
0.264 * [taylor]: Taking taylor expansion of y in x
0.264 * [taylor]: Taking taylor expansion of (* x y) in x
0.264 * [taylor]: Taking taylor expansion of x in x
0.264 * [taylor]: Taking taylor expansion of y in x
0.264 * [taylor]: Taking taylor expansion of -0.5 in y
0.265 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.265 * [taylor]: Taking taylor expansion of 0.5 in y
0.265 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.265 * [taylor]: Taking taylor expansion of y in y
0.265 * [taylor]: Taking taylor expansion of 0 in y
0.265 * [taylor]: Taking taylor expansion of 0 in y
0.266 * [taylor]: Taking taylor expansion of 0 in y
0.266 * [approximate]: Taking taylor expansion of (* 0.5 (* x (* (- (/ 1 x) (/ 1 y)) y))) in (x y) around 0
0.266 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* (- (/ 1 x) (/ 1 y)) y))) in y
0.266 * [taylor]: Taking taylor expansion of 0.5 in y
0.266 * [taylor]: Taking taylor expansion of (* x (* (- (/ 1 x) (/ 1 y)) y)) in y
0.266 * [taylor]: Taking taylor expansion of x in y
0.266 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in y
0.266 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.266 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.266 * [taylor]: Taking taylor expansion of x in y
0.266 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.266 * [taylor]: Taking taylor expansion of y in y
0.266 * [taylor]: Taking taylor expansion of y in y
0.266 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* (- (/ 1 x) (/ 1 y)) y))) in x
0.266 * [taylor]: Taking taylor expansion of 0.5 in x
0.266 * [taylor]: Taking taylor expansion of (* x (* (- (/ 1 x) (/ 1 y)) y)) in x
0.266 * [taylor]: Taking taylor expansion of x in x
0.267 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in x
0.267 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.267 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.267 * [taylor]: Taking taylor expansion of x in x
0.267 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.267 * [taylor]: Taking taylor expansion of y in x
0.267 * [taylor]: Taking taylor expansion of y in x
0.267 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* (- (/ 1 x) (/ 1 y)) y))) in x
0.267 * [taylor]: Taking taylor expansion of 0.5 in x
0.267 * [taylor]: Taking taylor expansion of (* x (* (- (/ 1 x) (/ 1 y)) y)) in x
0.267 * [taylor]: Taking taylor expansion of x in x
0.267 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in x
0.267 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.267 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.267 * [taylor]: Taking taylor expansion of x in x
0.267 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.267 * [taylor]: Taking taylor expansion of y in x
0.267 * [taylor]: Taking taylor expansion of y in x
0.267 * [taylor]: Taking taylor expansion of 0 in y
0.267 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.267 * [taylor]: Taking taylor expansion of 0.5 in y
0.267 * [taylor]: Taking taylor expansion of y in y
0.268 * [taylor]: Taking taylor expansion of (neg 0.5) in y
0.268 * [taylor]: Taking taylor expansion of 0.5 in y
0.268 * [taylor]: Taking taylor expansion of 0 in y
0.268 * [taylor]: Taking taylor expansion of 0 in y
0.269 * [taylor]: Taking taylor expansion of 0 in y
0.269 * [approximate]: Taking taylor expansion of (* 0.5 (* x (* (- (/ 1 y) (/ 1 x)) y))) in (x y) around 0
0.269 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* (- (/ 1 y) (/ 1 x)) y))) in y
0.269 * [taylor]: Taking taylor expansion of 0.5 in y
0.269 * [taylor]: Taking taylor expansion of (* x (* (- (/ 1 y) (/ 1 x)) y)) in y
0.269 * [taylor]: Taking taylor expansion of x in y
0.269 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) y) in y
0.269 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.269 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.269 * [taylor]: Taking taylor expansion of y in y
0.269 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.269 * [taylor]: Taking taylor expansion of x in y
0.269 * [taylor]: Taking taylor expansion of y in y
0.269 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* (- (/ 1 y) (/ 1 x)) y))) in x
0.269 * [taylor]: Taking taylor expansion of 0.5 in x
0.269 * [taylor]: Taking taylor expansion of (* x (* (- (/ 1 y) (/ 1 x)) y)) in x
0.269 * [taylor]: Taking taylor expansion of x in x
0.269 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) y) in x
0.270 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.270 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.270 * [taylor]: Taking taylor expansion of y in x
0.270 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.270 * [taylor]: Taking taylor expansion of x in x
0.270 * [taylor]: Taking taylor expansion of y in x
0.270 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* (- (/ 1 y) (/ 1 x)) y))) in x
0.270 * [taylor]: Taking taylor expansion of 0.5 in x
0.270 * [taylor]: Taking taylor expansion of (* x (* (- (/ 1 y) (/ 1 x)) y)) in x
0.270 * [taylor]: Taking taylor expansion of x in x
0.270 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) y) in x
0.270 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.270 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.270 * [taylor]: Taking taylor expansion of y in x
0.270 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.270 * [taylor]: Taking taylor expansion of x in x
0.270 * [taylor]: Taking taylor expansion of y in x
0.270 * [taylor]: Taking taylor expansion of 0 in y
0.270 * [taylor]: Taking taylor expansion of (neg (* 0.5 y)) in y
0.270 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.270 * [taylor]: Taking taylor expansion of 0.5 in y
0.270 * [taylor]: Taking taylor expansion of y in y
0.271 * [taylor]: Taking taylor expansion of 0.5 in y
0.271 * [taylor]: Taking taylor expansion of 0 in y
0.271 * [taylor]: Taking taylor expansion of 0 in y
0.272 * [taylor]: Taking taylor expansion of 0 in y
0.272 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.272 * [approximate]: Taking taylor expansion of (* 0.5 (/ (- x y) x)) in (x y) around 0
0.272 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) x)) in y
0.272 * [taylor]: Taking taylor expansion of 0.5 in y
0.272 * [taylor]: Taking taylor expansion of (/ (- x y) x) in y
0.272 * [taylor]: Taking taylor expansion of (- x y) in y
0.272 * [taylor]: Taking taylor expansion of x in y
0.272 * [taylor]: Taking taylor expansion of y in y
0.272 * [taylor]: Taking taylor expansion of x in y
0.272 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) x)) in x
0.272 * [taylor]: Taking taylor expansion of 0.5 in x
0.272 * [taylor]: Taking taylor expansion of (/ (- x y) x) in x
0.272 * [taylor]: Taking taylor expansion of (- x y) in x
0.272 * [taylor]: Taking taylor expansion of x in x
0.272 * [taylor]: Taking taylor expansion of y in x
0.272 * [taylor]: Taking taylor expansion of x in x
0.272 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) x)) in x
0.272 * [taylor]: Taking taylor expansion of 0.5 in x
0.272 * [taylor]: Taking taylor expansion of (/ (- x y) x) in x
0.272 * [taylor]: Taking taylor expansion of (- x y) in x
0.272 * [taylor]: Taking taylor expansion of x in x
0.273 * [taylor]: Taking taylor expansion of y in x
0.273 * [taylor]: Taking taylor expansion of x in x
0.273 * [taylor]: Taking taylor expansion of (* -0.5 y) in y
0.273 * [taylor]: Taking taylor expansion of -0.5 in y
0.273 * [taylor]: Taking taylor expansion of y in y
0.273 * [taylor]: Taking taylor expansion of 0.5 in y
0.273 * [taylor]: Taking taylor expansion of 0 in y
0.273 * [taylor]: Taking taylor expansion of 0 in y
0.273 * [approximate]: Taking taylor expansion of (* 0.5 (* x (- (/ 1 x) (/ 1 y)))) in (x y) around 0
0.273 * [taylor]: Taking taylor expansion of (* 0.5 (* x (- (/ 1 x) (/ 1 y)))) in y
0.273 * [taylor]: Taking taylor expansion of 0.5 in y
0.274 * [taylor]: Taking taylor expansion of (* x (- (/ 1 x) (/ 1 y))) in y
0.274 * [taylor]: Taking taylor expansion of x in y
0.274 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.274 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.274 * [taylor]: Taking taylor expansion of x in y
0.274 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.274 * [taylor]: Taking taylor expansion of y in y
0.274 * [taylor]: Taking taylor expansion of (* 0.5 (* x (- (/ 1 x) (/ 1 y)))) in x
0.274 * [taylor]: Taking taylor expansion of 0.5 in x
0.274 * [taylor]: Taking taylor expansion of (* x (- (/ 1 x) (/ 1 y))) in x
0.274 * [taylor]: Taking taylor expansion of x in x
0.274 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.274 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.274 * [taylor]: Taking taylor expansion of x in x
0.274 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.274 * [taylor]: Taking taylor expansion of y in x
0.274 * [taylor]: Taking taylor expansion of (* 0.5 (* x (- (/ 1 x) (/ 1 y)))) in x
0.274 * [taylor]: Taking taylor expansion of 0.5 in x
0.274 * [taylor]: Taking taylor expansion of (* x (- (/ 1 x) (/ 1 y))) in x
0.274 * [taylor]: Taking taylor expansion of x in x
0.274 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.274 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.274 * [taylor]: Taking taylor expansion of x in x
0.274 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.274 * [taylor]: Taking taylor expansion of y in x
0.274 * [taylor]: Taking taylor expansion of 0 in y
0.274 * [taylor]: Taking taylor expansion of 0.5 in y
0.275 * [taylor]: Taking taylor expansion of (neg (* 0.5 (/ 1 y))) in y
0.275 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.275 * [taylor]: Taking taylor expansion of 0.5 in y
0.275 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.275 * [taylor]: Taking taylor expansion of y in y
0.275 * [taylor]: Taking taylor expansion of 0 in y
0.275 * [taylor]: Taking taylor expansion of 0 in y
0.276 * [approximate]: Taking taylor expansion of (* -0.5 (* x (- (/ 1 y) (/ 1 x)))) in (x y) around 0
0.276 * [taylor]: Taking taylor expansion of (* -0.5 (* x (- (/ 1 y) (/ 1 x)))) in y
0.276 * [taylor]: Taking taylor expansion of -0.5 in y
0.276 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 x))) in y
0.276 * [taylor]: Taking taylor expansion of x in y
0.276 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.276 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.276 * [taylor]: Taking taylor expansion of y in y
0.276 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.276 * [taylor]: Taking taylor expansion of x in y
0.276 * [taylor]: Taking taylor expansion of (* -0.5 (* x (- (/ 1 y) (/ 1 x)))) in x
0.276 * [taylor]: Taking taylor expansion of -0.5 in x
0.276 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 x))) in x
0.276 * [taylor]: Taking taylor expansion of x in x
0.276 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.276 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.276 * [taylor]: Taking taylor expansion of y in x
0.276 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.276 * [taylor]: Taking taylor expansion of x in x
0.276 * [taylor]: Taking taylor expansion of (* -0.5 (* x (- (/ 1 y) (/ 1 x)))) in x
0.276 * [taylor]: Taking taylor expansion of -0.5 in x
0.276 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 x))) in x
0.276 * [taylor]: Taking taylor expansion of x in x
0.276 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.276 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.276 * [taylor]: Taking taylor expansion of y in x
0.276 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.276 * [taylor]: Taking taylor expansion of x in x
0.276 * [taylor]: Taking taylor expansion of 0 in y
0.277 * [taylor]: Taking taylor expansion of 0.5 in y
0.277 * [taylor]: Taking taylor expansion of (neg (* 0.5 (/ 1 y))) in y
0.277 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.277 * [taylor]: Taking taylor expansion of 0.5 in y
0.277 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.277 * [taylor]: Taking taylor expansion of y in y
0.277 * [taylor]: Taking taylor expansion of 0 in y
0.278 * [taylor]: Taking taylor expansion of 0 in y
0.278 * * * [progress]: simplifying candidates
0.279 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (- (log (- x y)) (+ (log x) (log 2.0))) (log y))
  (- (- (log (- x y)) (log (* x 2.0))) (log y))
  (- (log (/ (- x y) (* x 2.0))) (log y))
  (log (/ (/ (- x y) (* x 2.0)) y))
  (exp (/ (/ (- x y) (* x 2.0)) y))
  (/ (/ (* (* (- x y) (- x y)) (- x y)) (* (* (* x x) x) (* (* 2.0 2.0) 2.0))) (* (* y y) y))
  (/ (/ (* (* (- x y) (- x y)) (- x y)) (* (* (* x 2.0) (* x 2.0)) (* x 2.0))) (* (* y y) y))
  (/ (* (* (/ (- x y) (* x 2.0)) (/ (- x y) (* x 2.0))) (/ (- x y) (* x 2.0))) (* (* y y) y))
  (* (cbrt (/ (/ (- x y) (* x 2.0)) y)) (cbrt (/ (/ (- x y) (* x 2.0)) y)))
  (cbrt (/ (/ (- x y) (* x 2.0)) y))
  (* (* (/ (/ (- x y) (* x 2.0)) y) (/ (/ (- x y) (* x 2.0)) y)) (/ (/ (- x y) (* x 2.0)) y))
  (sqrt (/ (/ (- x y) (* x 2.0)) y))
  (sqrt (/ (/ (- x y) (* x 2.0)) y))
  (neg (/ (- x y) (* x 2.0)))
  (neg y)
  (/ (/ x (* x 2.0)) y)
  (/ (/ y (* x 2.0)) y)
  (/ (* (cbrt (/ (- x y) (* x 2.0))) (cbrt (/ (- x y) (* x 2.0)))) (* (cbrt y) (cbrt y)))
  (/ (cbrt (/ (- x y) (* x 2.0))) (cbrt y))
  (/ (* (cbrt (/ (- x y) (* x 2.0))) (cbrt (/ (- x y) (* x 2.0)))) (sqrt y))
  (/ (cbrt (/ (- x y) (* x 2.0))) (sqrt y))
  (/ (* (cbrt (/ (- x y) (* x 2.0))) (cbrt (/ (- x y) (* x 2.0)))) 1)
  (/ (cbrt (/ (- x y) (* x 2.0))) y)
  (/ (sqrt (/ (- x y) (* x 2.0))) (* (cbrt y) (cbrt y)))
  (/ (sqrt (/ (- x y) (* x 2.0))) (cbrt y))
  (/ (sqrt (/ (- x y) (* x 2.0))) (sqrt y))
  (/ (sqrt (/ (- x y) (* x 2.0))) (sqrt y))
  (/ (sqrt (/ (- x y) (* x 2.0))) 1)
  (/ (sqrt (/ (- x y) (* x 2.0))) y)
  (/ (/ (* (cbrt (- x y)) (cbrt (- x y))) x) (* (cbrt y) (cbrt y)))
  (/ (/ (cbrt (- x y)) 2.0) (cbrt y))
  (/ (/ (* (cbrt (- x y)) (cbrt (- x y))) x) (sqrt y))
  (/ (/ (cbrt (- x y)) 2.0) (sqrt y))
  (/ (/ (* (cbrt (- x y)) (cbrt (- x y))) x) 1)
  (/ (/ (cbrt (- x y)) 2.0) y)
  (/ (/ (sqrt (- x y)) x) (* (cbrt y) (cbrt y)))
  (/ (/ (sqrt (- x y)) 2.0) (cbrt y))
  (/ (/ (sqrt (- x y)) x) (sqrt y))
  (/ (/ (sqrt (- x y)) 2.0) (sqrt y))
  (/ (/ (sqrt (- x y)) x) 1)
  (/ (/ (sqrt (- x y)) 2.0) y)
  (/ (/ 1 x) (* (cbrt y) (cbrt y)))
  (/ (/ (- x y) 2.0) (cbrt y))
  (/ (/ 1 x) (sqrt y))
  (/ (/ (- x y) 2.0) (sqrt y))
  (/ (/ 1 x) 1)
  (/ (/ (- x y) 2.0) y)
  (/ (/ (+ (sqrt x) (sqrt y)) x) (* (cbrt y) (cbrt y)))
  (/ (/ (- (sqrt x) (sqrt y)) 2.0) (cbrt y))
  (/ (/ (+ (sqrt x) (sqrt y)) x) (sqrt y))
  (/ (/ (- (sqrt x) (sqrt y)) 2.0) (sqrt y))
  (/ (/ (+ (sqrt x) (sqrt y)) x) 1)
  (/ (/ (- (sqrt x) (sqrt y)) 2.0) y)
  (/ (/ 1 x) (* (cbrt y) (cbrt y)))
  (/ (/ (- x y) 2.0) (cbrt y))
  (/ (/ 1 x) (sqrt y))
  (/ (/ (- x y) 2.0) (sqrt y))
  (/ (/ 1 x) 1)
  (/ (/ (- x y) 2.0) y)
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (/ (- x y) (* x 2.0)) (cbrt y))
  (/ 1 (sqrt y))
  (/ (/ (- x y) (* x 2.0)) (sqrt y))
  (/ 1 1)
  (/ (/ (- x y) (* x 2.0)) y)
  (/ (- x y) (* (cbrt y) (cbrt y)))
  (/ (/ 1 (* x 2.0)) (cbrt y))
  (/ (- x y) (sqrt y))
  (/ (/ 1 (* x 2.0)) (sqrt y))
  (/ (- x y) 1)
  (/ (/ 1 (* x 2.0)) y)
  (/ 1 y)
  (/ y (/ (- x y) (* x 2.0)))
  (/ (/ (- x y) (* x 2.0)) (* (cbrt y) (cbrt y)))
  (/ (/ (- x y) (* x 2.0)) (sqrt y))
  (/ (/ (- x y) (* x 2.0)) 1)
  (/ y (cbrt (/ (- x y) (* x 2.0))))
  (/ y (sqrt (/ (- x y) (* x 2.0))))
  (/ y (/ (cbrt (- x y)) 2.0))
  (/ y (/ (sqrt (- x y)) 2.0))
  (/ y (/ (- x y) 2.0))
  (/ y (/ (- (sqrt x) (sqrt y)) 2.0))
  (/ y (/ (- x y) 2.0))
  (/ y (/ (- x y) (* x 2.0)))
  (/ y (/ 1 (* x 2.0)))
  (* y (* x 2.0))
  (- (log (- x y)) (+ (log x) (log 2.0)))
  (- (log (- x y)) (log (* x 2.0)))
  (log (/ (- x y) (* x 2.0)))
  (exp (/ (- x y) (* x 2.0)))
  (/ (* (* (- x y) (- x y)) (- x y)) (* (* (* x x) x) (* (* 2.0 2.0) 2.0)))
  (/ (* (* (- x y) (- x y)) (- x y)) (* (* (* x 2.0) (* x 2.0)) (* x 2.0)))
  (* (cbrt (/ (- x y) (* x 2.0))) (cbrt (/ (- x y) (* x 2.0))))
  (cbrt (/ (- x y) (* x 2.0)))
  (* (* (/ (- x y) (* x 2.0)) (/ (- x y) (* x 2.0))) (/ (- x y) (* x 2.0)))
  (sqrt (/ (- x y) (* x 2.0)))
  (sqrt (/ (- x y) (* x 2.0)))
  (neg (- x y))
  (neg (* x 2.0))
  (/ x (* x 2.0))
  (/ y (* x 2.0))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) x)
  (/ (cbrt (- x y)) 2.0)
  (/ (sqrt (- x y)) x)
  (/ (sqrt (- x y)) 2.0)
  (/ 1 x)
  (/ (- x y) 2.0)
  (/ (+ (sqrt x) (sqrt y)) x)
  (/ (- (sqrt x) (sqrt y)) 2.0)
  (/ 1 x)
  (/ (- x y) 2.0)
  (/ 1 (* x 2.0))
  (/ (* x 2.0) (- x y))
  (/ (- x y) x)
  (/ (* x 2.0) (cbrt (- x y)))
  (/ (* x 2.0) (sqrt (- x y)))
  (/ (* x 2.0) (- x y))
  (/ (* x 2.0) (- (sqrt x) (sqrt y)))
  (/ (* x 2.0) (- x y))
  (* (* x 2.0) (+ (* x x) (+ (* y y) (* x y))))
  (* (* x 2.0) (+ x y))
  (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (- 0.5 (* 0.5 (/ y x)))
  (- 0.5 (* 0.5 (/ y x)))
  (- 0.5 (* 0.5 (/ y x)))
0.306 * * [simplify]: iteration  0 :  5794  enodes  (cost  1079 )
0.311 * [simplify]: Simplified to:
   (log (/ (- x y) (* x (* y 2.0))))
  (log (/ (- x y) (* x (* y 2.0))))
  (log (/ (- x y) (* x (* y 2.0))))
  (log (/ (- x y) (* x (* y 2.0))))
  (exp (/ (- x y) (* x (* y 2.0))))
  (pow (/ (- x y) (* x (* y 2.0))) 3)
  (pow (/ (- x y) (* x (* y 2.0))) 3)
  (pow (/ (- x y) (* x (* y 2.0))) 3)
  (* (cbrt (/ (- x y) (* x (* y 2.0)))) (cbrt (/ (- x y) (* x (* y 2.0)))))
  (cbrt (/ (- x y) (* x (* y 2.0))))
  (pow (/ (- x y) (* x (* y 2.0))) 3)
  (sqrt (/ (- x y) (* x (* y 2.0))))
  (sqrt (/ (- x y) (* x (* y 2.0))))
  (/ (+ y (neg x)) (* x 2.0))
  (neg y)
  (/ (/ 1 2.0) y)
  (/ (/ 1 2.0) x)
  (* (/ (cbrt (/ (- x y) (* x 2.0))) (cbrt y)) (/ (cbrt (/ (- x y) (* x 2.0))) (cbrt y)))
  (/ (cbrt (/ (- x y) (* x 2.0))) (cbrt y))
  (* (/ (cbrt (/ (- x y) (* x 2.0))) (sqrt y)) (cbrt (/ (- x y) (* x 2.0))))
  (/ (cbrt (/ (- x y) (* x 2.0))) (sqrt y))
  (* (cbrt (/ (- x y) (* x 2.0))) (cbrt (/ (- x y) (* x 2.0))))
  (/ (cbrt (/ (- x y) (* x 2.0))) y)
  (/ (sqrt (/ (- x y) (* x 2.0))) (* (cbrt y) (cbrt y)))
  (/ (sqrt (/ (- x y) (* x 2.0))) (cbrt y))
  (/ (sqrt (/ (- x y) (* x 2.0))) (sqrt y))
  (/ (sqrt (/ (- x y) (* x 2.0))) (sqrt y))
  (sqrt (/ (- x y) (* x 2.0)))
  (/ (sqrt (/ (- x y) (* x 2.0))) y)
  (* (/ (cbrt (- x y)) x) (/ (cbrt (- x y)) (* (cbrt y) (cbrt y))))
  (/ (cbrt (- x y)) (* 2.0 (cbrt y)))
  (* (/ (cbrt (- x y)) x) (/ (cbrt (- x y)) (sqrt y)))
  (/ (cbrt (- x y)) (* 2.0 (sqrt y)))
  (* (cbrt (- x y)) (/ (cbrt (- x y)) x))
  (/ (cbrt (- x y)) (* y 2.0))
  (/ (sqrt (- x y)) (* x (* (cbrt y) (cbrt y))))
  (/ (sqrt (- x y)) (* 2.0 (cbrt y)))
  (/ (sqrt (- x y)) (* x (sqrt y)))
  (/ (sqrt (- x y)) (* 2.0 (sqrt y)))
  (/ (sqrt (- x y)) x)
  (/ (sqrt (- x y)) (* y 2.0))
  (/ 1 (* x (* (cbrt y) (cbrt y))))
  (/ (- x y) (* 2.0 (cbrt y)))
  (/ 1 (* x (sqrt y)))
  (/ (- x y) (* 2.0 (sqrt y)))
  (/ 1 x)
  (/ (- x y) (* y 2.0))
  (/ (+ (sqrt y) (sqrt x)) (* x (* (cbrt y) (cbrt y))))
  (/ (- (sqrt x) (sqrt y)) (* 2.0 (cbrt y)))
  (/ (+ (sqrt y) (sqrt x)) (* x (sqrt y)))
  (/ (- (sqrt x) (sqrt y)) (* 2.0 (sqrt y)))
  (/ (+ (sqrt y) (sqrt x)) x)
  (/ (- (sqrt x) (sqrt y)) (* y 2.0))
  (/ 1 (* x (* (cbrt y) (cbrt y))))
  (/ (- x y) (* 2.0 (cbrt y)))
  (/ 1 (* x (sqrt y)))
  (/ (- x y) (* 2.0 (sqrt y)))
  (/ 1 x)
  (/ (- x y) (* y 2.0))
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (- x y) (* x (* 2.0 (cbrt y))))
  (/ 1 (sqrt y))
  (/ (- x y) (* x (* 2.0 (sqrt y))))
  1
  (/ (- x y) (* x (* y 2.0)))
  (/ (- x y) (* (cbrt y) (cbrt y)))
  (/ (/ (/ 1 2.0) x) (cbrt y))
  (/ (- x y) (sqrt y))
  (/ (/ (/ 1 2.0) x) (sqrt y))
  (- x y)
  (/ (/ 1 2.0) (* x y))
  (/ 1 y)
  (* x (* 2.0 (/ y (- x y))))
  (/ (- x y) (* x (* (cbrt y) (* 2.0 (cbrt y)))))
  (/ (- x y) (* x (* 2.0 (sqrt y))))
  (/ (- x y) (* x 2.0))
  (/ y (cbrt (/ (- x y) (* x 2.0))))
  (/ y (sqrt (/ (- x y) (* x 2.0))))
  (* 2.0 (/ y (cbrt (- x y))))
  (* 2.0 (/ y (sqrt (- x y))))
  (* 2.0 (/ y (- x y)))
  (* 2.0 (/ y (- (sqrt x) (sqrt y))))
  (* 2.0 (/ y (- x y)))
  (* x (* 2.0 (/ y (- x y))))
  (* x (* y 2.0))
  (* x (* y 2.0))
  (log (/ (- x y) (* x 2.0)))
  (log (/ (- x y) (* x 2.0)))
  (log (/ (- x y) (* x 2.0)))
  (exp (/ (- x y) (* x 2.0)))
  (pow (/ (- x y) (* x 2.0)) 3)
  (pow (/ (- x y) (* x 2.0)) 3)
  (* (cbrt (/ (- x y) (* x 2.0))) (cbrt (/ (- x y) (* x 2.0))))
  (cbrt (/ (- x y) (* x 2.0)))
  (pow (/ (- x y) (* x 2.0)) 3)
  (sqrt (/ (- x y) (* x 2.0)))
  (sqrt (/ (- x y) (* x 2.0)))
  (+ y (neg x))
  (* x (neg 2.0))
  (/ 1 2.0)
  (/ y (* x 2.0))
  (* (cbrt (- x y)) (/ (cbrt (- x y)) x))
  (/ (cbrt (- x y)) 2.0)
  (/ (sqrt (- x y)) x)
  (/ (sqrt (- x y)) 2.0)
  (/ 1 x)
  (/ (- x y) 2.0)
  (/ (+ (sqrt y) (sqrt x)) x)
  (/ (- (sqrt x) (sqrt y)) 2.0)
  (/ 1 x)
  (/ (- x y) 2.0)
  (/ (/ 1 2.0) x)
  (* (/ x (- x y)) 2.0)
  (- 1 (/ y x))
  (* (/ x (cbrt (- x y))) 2.0)
  (* (/ x (sqrt (- x y))) 2.0)
  (* (/ x (- x y)) 2.0)
  (* (/ x (- (sqrt x) (sqrt y))) 2.0)
  (* (/ x (- x y)) 2.0)
  (* x (* 2.0 (+ (* x x) (* y (+ x y)))))
  (* x (* 2.0 (+ x y)))
  (- (/ 0.5 y) (/ 0.5 x))
  (- (/ 0.5 y) (/ 0.5 x))
  (- (/ 0.5 y) (/ 0.5 x))
  (- 0.5 (* y (/ 0.5 x)))
  (- 0.5 (* y (/ 0.5 x)))
  (- 0.5 (* y (/ 0.5 x)))
0.311 * * * [progress]: adding candidates to table
0.595 * [progress]: [Phase 3 of 3] Extracting.
0.595 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (* (/ 1 (* x 2.0)) (+ (/ x y) -1)))> #<alt (λ (x y) (/ (/ (- x y) (* x 2.0)) y))>)
0.595 * * * [regime-changes]: Trying 2 branch expressions: (y x)
0.595 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (* (/ 1 (* x 2.0)) (+ (/ x y) -1)))> #<alt (λ (x y) (/ (/ (- x y) (* x 2.0)) y))>)
0.636 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (* (/ 1 (* x 2.0)) (+ (/ x y) -1)))> #<alt (λ (x y) (/ (/ (- x y) (* x 2.0)) y))>)
0.676 * * * [regime]: Found split indices: #<option (#s(si 0 40) #s(si 1 180) #s(si 0 255))>
0.676 * [binary-search]: Improving bounds with binary search for y and (#<alt (λ (x y) (* (/ 1 (* x 2.0)) (+ (/ x y) -1)))> #<alt (λ (x y) (/ (/ (- x y) (* x 2.0)) y))>)
0.702 * [regimes]: Found splitpoints: (#s(sp 0 y -6.805625976489274e+120) #s(sp 1 y 2.7334398655803277e-12) #s(sp 0 y +nan.0)) , with alts (#<alt (λ (x y) (* (/ 1 (* x 2.0)) (+ (/ x y) -1)))> #<alt (λ (x y) (/ (/ (- x y) (* x 2.0)) y))>)
0.703 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (if (<= y -6.805625976489274e+120) (* (/ 1 (* x 2.0)) (+ (/ x y) -1)) (if (<= y 2.7334398655803277e-12) (/ (/ (- x y) (* x 2.0)) y) (* (/ 1 (* x 2.0)) (+ (/ x y) -1))))
0.703 * * [simplify]: iteration  0 :  26  enodes  (cost  29 )
0.703 * * [simplify]: iteration  1 :  26  enodes  (cost  29 )
0.704 * [simplify]: Simplified to:
   (if (or (<= y -6.805625976489274e+120) (not (<= y 2.7334398655803277e-12))) (* (/ 1 (* x 2.0)) (+ (/ x y) -1)) (/ (/ (- x y) (* x 2.0)) y))
1.439 * [regime-testing]: End program error score: 0.7811912855865473
1.503 * [regime-testing]: Target error score: 0.013501687710963871