32.735 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.018 * * * [progress]: [2/2] Setting up program.
0.020 * [progress]: [Phase 2 of 3] Improving.
0.021 * [simplify]: Simplifying:
  (sqrt (+ (* x x) y))
0.021 * * [simplify]: Extracting # 0 : cost  0
0.021 * * [simplify]: Extracting # 1 : cost  0
0.021 * * [simplify]: Extracting # 2 : cost  0
0.021 * * [simplify]: Extracting # 3 : cost  0
0.021 * * [simplify]: Extracting # 4 : cost  0
0.021 * * [simplify]: Extracting # 5 : cost  0
0.021 * * [simplify]: iteration  0 :  5  enodes  (cost  6 )
0.022 * * [simplify]: Extracting # 0 : cost  0
0.022 * * [simplify]: iteration  1 :  6  enodes  (cost  6 )
0.023 * * [simplify]: Extracting # 0 : cost  0
0.023 * * [simplify]: iteration done:  6  enodes  (cost  6 )
0.023 * [simplify]: Simplified to:
  (sqrt (+ (* x x) y))
0.023 * * [progress]: iteration 1 / 4
0.023 * * * [progress]: picking best candidate
0.024 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt (+ (* x x) y)))>
0.024 * * * [progress]: localizing error
0.030 * * * [progress]: generating rewritten candidates
0.030 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.040 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.048 * * * [progress]: generating series expansions
0.048 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.049 * [backup-simplify]: Simplify (sqrt (+ (* x x) y)) into (sqrt (+ (pow x 2) y))
0.049 * [approximate]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in (x y) around 0
0.049 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in y
0.049 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in y
0.049 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.049 * [taylor]: Taking taylor expansion of x in y
0.049 * [backup-simplify]: Simplify x into x
0.049 * [taylor]: Taking taylor expansion of y in y
0.049 * [backup-simplify]: Simplify 0 into 0
0.049 * [backup-simplify]: Simplify 1 into 1
0.049 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.049 * [backup-simplify]: Simplify (+ (pow x 2) 0) into (pow x 2)
0.049 * [backup-simplify]: Simplify (sqrt (pow x 2)) into x
0.049 * [backup-simplify]: Simplify (+ (* x 0) (* 0 x)) into 0
0.049 * [backup-simplify]: Simplify (+ 0 1) into 1
0.050 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt (pow x 2)))) into (/ 1/2 x)
0.050 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in x
0.050 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.050 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.050 * [taylor]: Taking taylor expansion of x in x
0.050 * [backup-simplify]: Simplify 0 into 0
0.050 * [backup-simplify]: Simplify 1 into 1
0.050 * [taylor]: Taking taylor expansion of y in x
0.050 * [backup-simplify]: Simplify y into y
0.050 * [backup-simplify]: Simplify (+ 0 y) into y
0.050 * [backup-simplify]: Simplify (sqrt y) into (sqrt y)
0.050 * [backup-simplify]: Simplify (+ 0 0) into 0
0.050 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt y))) into 0
0.050 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in x
0.050 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.050 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.050 * [taylor]: Taking taylor expansion of x in x
0.050 * [backup-simplify]: Simplify 0 into 0
0.050 * [backup-simplify]: Simplify 1 into 1
0.050 * [taylor]: Taking taylor expansion of y in x
0.050 * [backup-simplify]: Simplify y into y
0.050 * [backup-simplify]: Simplify (+ 0 y) into y
0.050 * [backup-simplify]: Simplify (sqrt y) into (sqrt y)
0.051 * [backup-simplify]: Simplify (+ 0 0) into 0
0.051 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt y))) into 0
0.051 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.051 * [taylor]: Taking taylor expansion of y in y
0.051 * [backup-simplify]: Simplify 0 into 0
0.051 * [backup-simplify]: Simplify 1 into 1
0.051 * [backup-simplify]: Simplify (sqrt 0) into 0
0.052 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.052 * [backup-simplify]: Simplify 0 into 0
0.052 * [taylor]: Taking taylor expansion of 0 in y
0.052 * [backup-simplify]: Simplify 0 into 0
0.052 * [backup-simplify]: Simplify 0 into 0
0.052 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.052 * [backup-simplify]: Simplify (* 1 1) into 1
0.053 * [backup-simplify]: Simplify (+ 1 0) into 1
0.053 * [backup-simplify]: Simplify (/ (- 1 (pow 0 2) (+)) (* 2 (sqrt y))) into (* 1/2 (sqrt (/ 1 y)))
0.053 * [taylor]: Taking taylor expansion of (* 1/2 (sqrt (/ 1 y))) in y
0.053 * [taylor]: Taking taylor expansion of 1/2 in y
0.053 * [backup-simplify]: Simplify 1/2 into 1/2
0.053 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.053 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.053 * [taylor]: Taking taylor expansion of y in y
0.053 * [backup-simplify]: Simplify 0 into 0
0.053 * [backup-simplify]: Simplify 1 into 1
0.054 * [backup-simplify]: Simplify (/ 1 1) into 1
0.054 * [backup-simplify]: Simplify (sqrt 0) into 0
0.055 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.056 * [backup-simplify]: Simplify (+ (* 1/2 +nan.0) (* 0 0)) into (- +nan.0)
0.056 * [backup-simplify]: Simplify (- +nan.0) into (- +nan.0)
0.056 * [backup-simplify]: Simplify 0 into 0
0.058 * [backup-simplify]: Simplify (/ (- 0 (pow +nan.0 2) (+)) (* 2 0)) into +nan.0
0.058 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.059 * [backup-simplify]: Simplify (+ (* +nan.0 (pow (* y 1) 2)) (+ (* (- +nan.0) (pow (* 1 x) 2)) (* +nan.0 (* y 1)))) into (- (+ (* +nan.0 (pow x 2)) (- (+ (* +nan.0 (pow y 2)) (- (* +nan.0 y))))))
0.059 * [backup-simplify]: Simplify (sqrt (+ (* (/ 1 x) (/ 1 x)) (/ 1 y))) into (sqrt (+ (/ 1 (pow x 2)) (/ 1 y)))
0.059 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in (x y) around 0
0.059 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in y
0.059 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.059 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.059 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.059 * [taylor]: Taking taylor expansion of x in y
0.059 * [backup-simplify]: Simplify x into x
0.059 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.059 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.059 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.059 * [taylor]: Taking taylor expansion of y in y
0.059 * [backup-simplify]: Simplify 0 into 0
0.059 * [backup-simplify]: Simplify 1 into 1
0.059 * [backup-simplify]: Simplify (/ 1 1) into 1
0.060 * [backup-simplify]: Simplify (+ 0 1) into 1
0.060 * [backup-simplify]: Simplify (sqrt 0) into 0
0.061 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.061 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in x
0.061 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.061 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.061 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.061 * [taylor]: Taking taylor expansion of x in x
0.061 * [backup-simplify]: Simplify 0 into 0
0.061 * [backup-simplify]: Simplify 1 into 1
0.061 * [backup-simplify]: Simplify (* 1 1) into 1
0.061 * [backup-simplify]: Simplify (/ 1 1) into 1
0.061 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.061 * [taylor]: Taking taylor expansion of y in x
0.061 * [backup-simplify]: Simplify y into y
0.061 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.062 * [backup-simplify]: Simplify (+ 1 0) into 1
0.062 * [backup-simplify]: Simplify (sqrt 1) into 1
0.062 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.063 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.063 * [backup-simplify]: Simplify (+ 0 0) into 0
0.063 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.063 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in x
0.064 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.064 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.064 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.064 * [taylor]: Taking taylor expansion of x in x
0.064 * [backup-simplify]: Simplify 0 into 0
0.064 * [backup-simplify]: Simplify 1 into 1
0.064 * [backup-simplify]: Simplify (* 1 1) into 1
0.064 * [backup-simplify]: Simplify (/ 1 1) into 1
0.064 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.064 * [taylor]: Taking taylor expansion of y in x
0.064 * [backup-simplify]: Simplify y into y
0.064 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.064 * [backup-simplify]: Simplify (+ 1 0) into 1
0.065 * [backup-simplify]: Simplify (sqrt 1) into 1
0.065 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.066 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.066 * [backup-simplify]: Simplify (+ 0 0) into 0
0.066 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.066 * [taylor]: Taking taylor expansion of 1 in y
0.066 * [backup-simplify]: Simplify 1 into 1
0.066 * [taylor]: Taking taylor expansion of 0 in y
0.066 * [backup-simplify]: Simplify 0 into 0
0.066 * [backup-simplify]: Simplify 1 into 1
0.067 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.068 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.068 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
0.069 * [backup-simplify]: Simplify (/ (- (/ 1 y) (pow 0 2) (+)) (* 2 1)) into (/ 1/2 y)
0.069 * [taylor]: Taking taylor expansion of (/ 1/2 y) in y
0.069 * [taylor]: Taking taylor expansion of 1/2 in y
0.069 * [backup-simplify]: Simplify 1/2 into 1/2
0.069 * [taylor]: Taking taylor expansion of y in y
0.069 * [backup-simplify]: Simplify 0 into 0
0.069 * [backup-simplify]: Simplify 1 into 1
0.069 * [backup-simplify]: Simplify (/ 1/2 1) into 1/2
0.069 * [backup-simplify]: Simplify 1/2 into 1/2
0.069 * [backup-simplify]: Simplify 0 into 0
0.069 * [backup-simplify]: Simplify 0 into 0
0.070 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.070 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.070 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.071 * [backup-simplify]: Simplify (+ 0 0) into 0
0.071 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 (/ 1/2 y))))) (* 2 1)) into 0
0.071 * [taylor]: Taking taylor expansion of 0 in y
0.071 * [backup-simplify]: Simplify 0 into 0
0.071 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)))) into 0
0.071 * [backup-simplify]: Simplify 0 into 0
0.071 * [backup-simplify]: Simplify 0 into 0
0.071 * [backup-simplify]: Simplify 0 into 0
0.072 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.073 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.073 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.073 * [backup-simplify]: Simplify (+ 0 0) into 0
0.074 * [backup-simplify]: Simplify (/ (- 0 (pow (/ 1/2 y) 2) (+ (* 2 (* 0 0)))) (* 2 1)) into (/ -1/8 (pow y 2))
0.074 * [taylor]: Taking taylor expansion of (/ -1/8 (pow y 2)) in y
0.074 * [taylor]: Taking taylor expansion of -1/8 in y
0.074 * [backup-simplify]: Simplify -1/8 into -1/8
0.074 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.074 * [taylor]: Taking taylor expansion of y in y
0.074 * [backup-simplify]: Simplify 0 into 0
0.074 * [backup-simplify]: Simplify 1 into 1
0.074 * [backup-simplify]: Simplify (* 1 1) into 1
0.075 * [backup-simplify]: Simplify (/ -1/8 1) into -1/8
0.075 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.076 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1/8 (/ 0 1)))) into 0
0.076 * [backup-simplify]: Simplify 0 into 0
0.076 * [backup-simplify]: Simplify (+ (* 1/2 (* (/ 1 (/ 1 y)) (/ 1 x))) (* 1 (* 1 (/ 1 (/ 1 x))))) into (+ x (* 1/2 (/ y x)))
0.076 * [backup-simplify]: Simplify (sqrt (+ (* (/ 1 (- x)) (/ 1 (- x))) (/ 1 (- y)))) into (sqrt (- (/ 1 (pow x 2)) (/ 1 y)))
0.076 * [approximate]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in (x y) around 0
0.076 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in y
0.076 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.076 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.076 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.076 * [taylor]: Taking taylor expansion of x in y
0.076 * [backup-simplify]: Simplify x into x
0.076 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.076 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.076 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.076 * [taylor]: Taking taylor expansion of y in y
0.076 * [backup-simplify]: Simplify 0 into 0
0.076 * [backup-simplify]: Simplify 1 into 1
0.077 * [backup-simplify]: Simplify (/ 1 1) into 1
0.077 * [backup-simplify]: Simplify (- 1) into -1
0.077 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.077 * [backup-simplify]: Simplify (sqrt 0) into 0
0.078 * [backup-simplify]: Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
0.078 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in x
0.078 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.078 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.078 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.078 * [taylor]: Taking taylor expansion of x in x
0.078 * [backup-simplify]: Simplify 0 into 0
0.078 * [backup-simplify]: Simplify 1 into 1
0.079 * [backup-simplify]: Simplify (* 1 1) into 1
0.079 * [backup-simplify]: Simplify (/ 1 1) into 1
0.079 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.079 * [taylor]: Taking taylor expansion of y in x
0.079 * [backup-simplify]: Simplify y into y
0.079 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.079 * [backup-simplify]: Simplify (+ 1 0) into 1
0.079 * [backup-simplify]: Simplify (sqrt 1) into 1
0.087 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.088 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.089 * [backup-simplify]: Simplify (+ 0 0) into 0
0.089 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.089 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in x
0.089 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.089 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.089 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.089 * [taylor]: Taking taylor expansion of x in x
0.089 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify 1 into 1
0.090 * [backup-simplify]: Simplify (* 1 1) into 1
0.090 * [backup-simplify]: Simplify (/ 1 1) into 1
0.090 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.090 * [taylor]: Taking taylor expansion of y in x
0.090 * [backup-simplify]: Simplify y into y
0.090 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.091 * [backup-simplify]: Simplify (+ 1 0) into 1
0.091 * [backup-simplify]: Simplify (sqrt 1) into 1
0.092 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.093 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.093 * [backup-simplify]: Simplify (+ 0 0) into 0
0.094 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.094 * [taylor]: Taking taylor expansion of 1 in y
0.094 * [backup-simplify]: Simplify 1 into 1
0.094 * [taylor]: Taking taylor expansion of 0 in y
0.094 * [backup-simplify]: Simplify 0 into 0
0.094 * [backup-simplify]: Simplify 1 into 1
0.095 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.096 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.096 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
0.096 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
0.098 * [backup-simplify]: Simplify (/ (- (- (/ 1 y)) (pow 0 2) (+)) (* 2 1)) into (/ -1/2 y)
0.098 * [taylor]: Taking taylor expansion of (/ -1/2 y) in y
0.098 * [taylor]: Taking taylor expansion of -1/2 in y
0.098 * [backup-simplify]: Simplify -1/2 into -1/2
0.098 * [taylor]: Taking taylor expansion of y in y
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 1 into 1
0.098 * [backup-simplify]: Simplify (/ -1/2 1) into -1/2
0.098 * [backup-simplify]: Simplify -1/2 into -1/2
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 0 into 0
0.099 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.100 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.100 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.101 * [backup-simplify]: Simplify (- 0) into 0
0.101 * [backup-simplify]: Simplify (+ 0 0) into 0
0.102 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 (/ -1/2 y))))) (* 2 1)) into 0
0.102 * [taylor]: Taking taylor expansion of 0 in y
0.102 * [backup-simplify]: Simplify 0 into 0
0.102 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1/2 (/ 0 1)))) into 0
0.102 * [backup-simplify]: Simplify 0 into 0
0.102 * [backup-simplify]: Simplify 0 into 0
0.103 * [backup-simplify]: Simplify 0 into 0
0.104 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.105 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.105 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.105 * [backup-simplify]: Simplify (- 0) into 0
0.106 * [backup-simplify]: Simplify (+ 0 0) into 0
0.107 * [backup-simplify]: Simplify (/ (- 0 (pow (/ -1/2 y) 2) (+ (* 2 (* 0 0)))) (* 2 1)) into (/ -1/8 (pow y 2))
0.107 * [taylor]: Taking taylor expansion of (/ -1/8 (pow y 2)) in y
0.107 * [taylor]: Taking taylor expansion of -1/8 in y
0.107 * [backup-simplify]: Simplify -1/8 into -1/8
0.107 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.107 * [taylor]: Taking taylor expansion of y in y
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify 1 into 1
0.108 * [backup-simplify]: Simplify (* 1 1) into 1
0.108 * [backup-simplify]: Simplify (/ -1/8 1) into -1/8
0.109 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.109 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1/8 (/ 0 1)))) into 0
0.109 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify (+ (* -1/2 (* (/ 1 (/ 1 (- y))) (/ 1 (- x)))) (* 1 (* 1 (/ 1 (/ 1 (- x)))))) into (- (+ x (* 1/2 (/ y x))))
0.110 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.110 * [backup-simplify]: Simplify (+ (* x x) y) into (+ (pow x 2) y)
0.110 * [approximate]: Taking taylor expansion of (+ (pow x 2) y) in (x y) around 0
0.110 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in y
0.110 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.110 * [taylor]: Taking taylor expansion of x in y
0.110 * [backup-simplify]: Simplify x into x
0.110 * [taylor]: Taking taylor expansion of y in y
0.110 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify 1 into 1
0.110 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.110 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.110 * [taylor]: Taking taylor expansion of x in x
0.111 * [backup-simplify]: Simplify 0 into 0
0.111 * [backup-simplify]: Simplify 1 into 1
0.111 * [taylor]: Taking taylor expansion of y in x
0.111 * [backup-simplify]: Simplify y into y
0.111 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.111 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.111 * [taylor]: Taking taylor expansion of x in x
0.111 * [backup-simplify]: Simplify 0 into 0
0.111 * [backup-simplify]: Simplify 1 into 1
0.111 * [taylor]: Taking taylor expansion of y in x
0.111 * [backup-simplify]: Simplify y into y
0.111 * [backup-simplify]: Simplify (+ 0 y) into y
0.111 * [taylor]: Taking taylor expansion of y in y
0.111 * [backup-simplify]: Simplify 0 into 0
0.111 * [backup-simplify]: Simplify 1 into 1
0.111 * [backup-simplify]: Simplify 0 into 0
0.111 * [backup-simplify]: Simplify (+ 0 0) into 0
0.111 * [taylor]: Taking taylor expansion of 0 in y
0.112 * [backup-simplify]: Simplify 0 into 0
0.112 * [backup-simplify]: Simplify 0 into 0
0.112 * [backup-simplify]: Simplify 1 into 1
0.112 * [backup-simplify]: Simplify (* 1 1) into 1
0.112 * [backup-simplify]: Simplify (+ 1 0) into 1
0.112 * [taylor]: Taking taylor expansion of 1 in y
0.112 * [backup-simplify]: Simplify 1 into 1
0.112 * [backup-simplify]: Simplify 1 into 1
0.113 * [backup-simplify]: Simplify 0 into 0
0.113 * [backup-simplify]: Simplify 0 into 0
0.113 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.114 * [backup-simplify]: Simplify (+ 0 0) into 0
0.114 * [taylor]: Taking taylor expansion of 0 in y
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 x) 2)) (* 1 (* y 1))) into (+ (pow x 2) y)
0.115 * [backup-simplify]: Simplify (+ (* (/ 1 x) (/ 1 x)) (/ 1 y)) into (+ (/ 1 (pow x 2)) (/ 1 y))
0.115 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.115 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.115 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.115 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.115 * [taylor]: Taking taylor expansion of x in y
0.115 * [backup-simplify]: Simplify x into x
0.115 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.115 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.115 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.115 * [taylor]: Taking taylor expansion of y in y
0.115 * [backup-simplify]: Simplify 0 into 0
0.115 * [backup-simplify]: Simplify 1 into 1
0.115 * [backup-simplify]: Simplify (/ 1 1) into 1
0.115 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.116 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.116 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.116 * [taylor]: Taking taylor expansion of x in x
0.116 * [backup-simplify]: Simplify 0 into 0
0.116 * [backup-simplify]: Simplify 1 into 1
0.116 * [backup-simplify]: Simplify (* 1 1) into 1
0.116 * [backup-simplify]: Simplify (/ 1 1) into 1
0.116 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.116 * [taylor]: Taking taylor expansion of y in x
0.116 * [backup-simplify]: Simplify y into y
0.117 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.117 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.117 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.117 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.117 * [taylor]: Taking taylor expansion of x in x
0.117 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify 1 into 1
0.117 * [backup-simplify]: Simplify (* 1 1) into 1
0.118 * [backup-simplify]: Simplify (/ 1 1) into 1
0.118 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.118 * [taylor]: Taking taylor expansion of y in x
0.118 * [backup-simplify]: Simplify y into y
0.118 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.118 * [backup-simplify]: Simplify (+ 1 0) into 1
0.118 * [taylor]: Taking taylor expansion of 1 in y
0.118 * [backup-simplify]: Simplify 1 into 1
0.119 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.120 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.120 * [backup-simplify]: Simplify (+ 0 0) into 0
0.120 * [taylor]: Taking taylor expansion of 0 in y
0.120 * [backup-simplify]: Simplify 0 into 0
0.120 * [backup-simplify]: Simplify 1 into 1
0.121 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.122 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.122 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
0.122 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.122 * [taylor]: Taking taylor expansion of y in y
0.122 * [backup-simplify]: Simplify 0 into 0
0.122 * [backup-simplify]: Simplify 1 into 1
0.122 * [backup-simplify]: Simplify (/ 1 1) into 1
0.122 * [backup-simplify]: Simplify 1 into 1
0.122 * [backup-simplify]: Simplify 0 into 0
0.122 * [backup-simplify]: Simplify 0 into 0
0.123 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.124 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.124 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.125 * [backup-simplify]: Simplify (+ 0 0) into 0
0.125 * [taylor]: Taking taylor expansion of 0 in y
0.125 * [backup-simplify]: Simplify 0 into 0
0.126 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.126 * [backup-simplify]: Simplify 0 into 0
0.126 * [backup-simplify]: Simplify 0 into 0
0.126 * [backup-simplify]: Simplify 0 into 0
0.127 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.128 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.128 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.128 * [backup-simplify]: Simplify (+ 0 0) into 0
0.128 * [taylor]: Taking taylor expansion of 0 in y
0.128 * [backup-simplify]: Simplify 0 into 0
0.128 * [backup-simplify]: Simplify 0 into 0
0.129 * [backup-simplify]: Simplify (+ (* 1 (* (/ 1 (/ 1 y)) 1)) (* 1 (pow (* 1 (/ 1 (/ 1 x))) 2))) into (+ (pow x 2) y)
0.129 * [backup-simplify]: Simplify (+ (* (/ 1 (- x)) (/ 1 (- x))) (/ 1 (- y))) into (- (/ 1 (pow x 2)) (/ 1 y))
0.129 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.129 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.129 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.129 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.129 * [taylor]: Taking taylor expansion of x in y
0.129 * [backup-simplify]: Simplify x into x
0.129 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.129 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.129 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.129 * [taylor]: Taking taylor expansion of y in y
0.129 * [backup-simplify]: Simplify 0 into 0
0.129 * [backup-simplify]: Simplify 1 into 1
0.130 * [backup-simplify]: Simplify (/ 1 1) into 1
0.130 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.130 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.130 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.130 * [taylor]: Taking taylor expansion of x in x
0.130 * [backup-simplify]: Simplify 0 into 0
0.130 * [backup-simplify]: Simplify 1 into 1
0.130 * [backup-simplify]: Simplify (* 1 1) into 1
0.131 * [backup-simplify]: Simplify (/ 1 1) into 1
0.131 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.131 * [taylor]: Taking taylor expansion of y in x
0.131 * [backup-simplify]: Simplify y into y
0.131 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.131 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.131 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.131 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.131 * [taylor]: Taking taylor expansion of x in x
0.131 * [backup-simplify]: Simplify 0 into 0
0.131 * [backup-simplify]: Simplify 1 into 1
0.131 * [backup-simplify]: Simplify (* 1 1) into 1
0.132 * [backup-simplify]: Simplify (/ 1 1) into 1
0.132 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.132 * [taylor]: Taking taylor expansion of y in x
0.132 * [backup-simplify]: Simplify y into y
0.132 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.132 * [backup-simplify]: Simplify (+ 1 0) into 1
0.133 * [taylor]: Taking taylor expansion of 1 in y
0.133 * [backup-simplify]: Simplify 1 into 1
0.133 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.134 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.134 * [backup-simplify]: Simplify (+ 0 0) into 0
0.134 * [taylor]: Taking taylor expansion of 0 in y
0.134 * [backup-simplify]: Simplify 0 into 0
0.134 * [backup-simplify]: Simplify 1 into 1
0.135 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.136 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.136 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
0.136 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
0.136 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.136 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.136 * [taylor]: Taking taylor expansion of y in y
0.137 * [backup-simplify]: Simplify 0 into 0
0.137 * [backup-simplify]: Simplify 1 into 1
0.137 * [backup-simplify]: Simplify (/ 1 1) into 1
0.137 * [backup-simplify]: Simplify (- 1) into -1
0.137 * [backup-simplify]: Simplify -1 into -1
0.137 * [backup-simplify]: Simplify 0 into 0
0.137 * [backup-simplify]: Simplify 0 into 0
0.138 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.139 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.139 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.140 * [backup-simplify]: Simplify (- 0) into 0
0.140 * [backup-simplify]: Simplify (+ 0 0) into 0
0.140 * [taylor]: Taking taylor expansion of 0 in y
0.140 * [backup-simplify]: Simplify 0 into 0
0.141 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.141 * [backup-simplify]: Simplify (- 0) into 0
0.141 * [backup-simplify]: Simplify 0 into 0
0.141 * [backup-simplify]: Simplify 0 into 0
0.141 * [backup-simplify]: Simplify 0 into 0
0.142 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.143 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.143 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.144 * [backup-simplify]: Simplify (- 0) into 0
0.144 * [backup-simplify]: Simplify (+ 0 0) into 0
0.144 * [taylor]: Taking taylor expansion of 0 in y
0.144 * [backup-simplify]: Simplify 0 into 0
0.144 * [backup-simplify]: Simplify 0 into 0
0.145 * [backup-simplify]: Simplify (+ (* -1 (* (/ 1 (/ 1 (- y))) 1)) (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 2))) into (+ (pow x 2) y)
0.145 * * * [progress]: simplifying candidates
0.146 * [simplify]: Simplifying:
  (log (sqrt (+ (* x x) y)))
  (exp (sqrt (+ (* x x) y)))
  (* (cbrt (sqrt (+ (* x x) y))) (cbrt (sqrt (+ (* x x) y))))
  (cbrt (sqrt (+ (* x x) y)))
  (* (* (sqrt (+ (* x x) y)) (sqrt (+ (* x x) y))) (sqrt (+ (* x x) y)))
  (sqrt (* (cbrt (+ (* x x) y)) (cbrt (+ (* x x) y))))
  (sqrt (cbrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  (sqrt 1)
  (sqrt (+ (* x x) y))
  (sqrt (+ (pow (* x x) 3) (pow y 3)))
  (sqrt (+ (* (* x x) (* x x)) (- (* y y) (* (* x x) y))))
  (sqrt (- (* (* x x) (* x x)) (* y y)))
  (sqrt (- (* x x) y))
  (/ 1 2)
  (sqrt (sqrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  (* (exp (* x x)) (exp y))
  (log (+ (* x x) y))
  (exp (+ (* x x) y))
  (* (cbrt (+ (* x x) y)) (cbrt (+ (* x x) y)))
  (cbrt (+ (* x x) y))
  (* (* (+ (* x x) y) (+ (* x x) y)) (+ (* x x) y))
  (sqrt (+ (* x x) y))
  (sqrt (+ (* x x) y))
  (+ (pow (* x x) 3) (pow y 3))
  (+ (* (* x x) (* x x)) (- (* y y) (* (* x x) y)))
  (- (* (* x x) (* x x)) (* y y))
  (- (* x x) y)
  (- (+ (* +nan.0 (pow x 2)) (- (+ (* +nan.0 (pow y 2)) (- (* +nan.0 y))))))
  (+ x (* 1/2 (/ y x)))
  (- (+ x (* 1/2 (/ y x))))
  (+ (pow x 2) y)
  (+ (pow x 2) y)
  (+ (pow x 2) y)
0.147 * * [simplify]: Extracting # 0 : cost  0
0.147 * * [simplify]: Extracting # 1 : cost  0
0.147 * * [simplify]: Extracting # 2 : cost  0
0.147 * * [simplify]: Extracting # 3 : cost  0
0.147 * * [simplify]: Extracting # 4 : cost  0
0.147 * * [simplify]: Extracting # 5 : cost  0
0.148 * * [simplify]: Extracting # 6 : cost  0
0.148 * * [simplify]: Extracting # 7 : cost  0
0.148 * * [simplify]: Extracting # 8 : cost  0
0.148 * * [simplify]: Extracting # 9 : cost  0
0.148 * * [simplify]: Extracting # 10 : cost  0
0.148 * * [simplify]: iteration  0 :  59  enodes  (cost  319 )
0.174 * * [simplify]: Extracting # 0 : cost  0
0.175 * * [simplify]: Extracting # 1 : cost  0
0.175 * * [simplify]: Extracting # 2 : cost  0
0.175 * * [simplify]: Extracting # 3 : cost  0
0.176 * * [simplify]: Extracting # 4 : cost  0
0.176 * * [simplify]: iteration  1 :  140  enodes  (cost  294 )
0.252 * * [simplify]: Extracting # 0 : cost  0
0.252 * * [simplify]: Extracting # 1 : cost  0
0.252 * * [simplify]: Extracting # 2 : cost  0
0.253 * * [simplify]: Extracting # 3 : cost  0
0.253 * * [simplify]: Extracting # 4 : cost  0
0.253 * * [simplify]: iteration  2 :  347  enodes  (cost  258 )
0.396 * * [simplify]: Extracting # 0 : cost  0
0.397 * * [simplify]: Extracting # 1 : cost  0
0.398 * * [simplify]: Extracting # 2 : cost  0
0.398 * * [simplify]: Extracting # 3 : cost  0
0.399 * * [simplify]: Extracting # 4 : cost  0
0.400 * * [simplify]: iteration  3 :  826  enodes  (cost  255 )
0.969 * * [simplify]: Extracting # 0 : cost  0
0.971 * * [simplify]: Extracting # 1 : cost  0
0.972 * * [simplify]: Extracting # 2 : cost  0
0.974 * * [simplify]: Extracting # 3 : cost  0
0.975 * * [simplify]: Extracting # 4 : cost  0
0.977 * * [simplify]: iteration  4 :  2004  enodes  (cost  254 )
2.423 * * [simplify]: Extracting # 0 : cost  0
2.427 * * [simplify]: Extracting # 1 : cost  0
2.431 * * [simplify]: Extracting # 2 : cost  0
2.441 * * [simplify]: Extracting # 3 : cost  0
2.444 * * [simplify]: Extracting # 4 : cost  0
2.448 * * [simplify]: Extracting # 5 : cost  0
2.451 * * [simplify]: iteration  5 :  4212  enodes  (cost  254 )
4.150 * * [simplify]: Extracting # 0 : cost  0
4.154 * * [simplify]: Extracting # 1 : cost  0
4.159 * * [simplify]: Extracting # 2 : cost  0
4.163 * * [simplify]: Extracting # 3 : cost  0
4.175 * * [simplify]: Extracting # 4 : cost  0
4.179 * * [simplify]: iteration done:  5000  enodes  (cost  254 )
4.180 * [simplify]: Simplified to:
  (log (sqrt (+ (* x x) y)))
  (exp (sqrt (+ (* x x) y)))
  (* (cbrt (sqrt (+ (* x x) y))) (cbrt (sqrt (+ (* x x) y))))
  (cbrt (sqrt (+ (* x x) y)))
  (pow (sqrt (+ (* x x) y)) 3)
  (fabs (cbrt (+ (* x x) y)))
  (sqrt (cbrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  1
  (sqrt (+ y (* x x)))
  (sqrt (+ (pow y 3) (pow x 6)))
  (sqrt (+ (pow x 4) (* y (- y (* x x)))))
  (sqrt (- (pow x 4) (* y y)))
  (sqrt (- (* x x) y))
  1/2
  (sqrt (sqrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  (exp (+ (* x x) y))
  (log (+ (* x x) y))
  (exp (+ (* x x) y))
  (* (cbrt (+ (* x x) y)) (cbrt (+ (* x x) y)))
  (cbrt (+ (* x x) y))
  (pow (+ y (* x x)) 3)
  (sqrt (+ y (* x x)))
  (sqrt (+ y (* x x)))
  (+ (pow y 3) (pow x 6))
  (+ (pow x 4) (* y (- y (* x x))))
  (- (pow x 4) (* y y))
  (- (* x x) y)
  (* (- (- (* y y) y) (* x x)) +nan.0)
  (+ x (* 1/2 (/ y x)))
  (- (* (/ y x) -1/2) x)
  (+ y (* x x))
  (+ y (* x x))
  (+ y (* x x))
4.180 * * * [progress]: adding candidates to table
4.288 * * [progress]: iteration 2 / 4
4.288 * * * [progress]: picking best candidate
4.293 * * * * [pick]: Picked  #<alt (λ (x y) (+ x (* 1/2 (/ y x))))>
4.293 * * * [progress]: localizing error
4.304 * * * [progress]: generating rewritten candidates
4.304 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
4.317 * * * [progress]: generating series expansions
4.317 * * * * [progress]: [ 1 / 1 ] generating series at (2)
4.317 * [backup-simplify]: Simplify (+ x (* 1/2 (/ y x))) into (+ x (* 1/2 (/ y x)))
4.317 * [approximate]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in (x y) around 0
4.317 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in y
4.317 * [taylor]: Taking taylor expansion of x in y
4.317 * [backup-simplify]: Simplify x into x
4.317 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
4.317 * [taylor]: Taking taylor expansion of 1/2 in y
4.317 * [backup-simplify]: Simplify 1/2 into 1/2
4.317 * [taylor]: Taking taylor expansion of (/ y x) in y
4.317 * [taylor]: Taking taylor expansion of y in y
4.317 * [backup-simplify]: Simplify 0 into 0
4.317 * [backup-simplify]: Simplify 1 into 1
4.317 * [taylor]: Taking taylor expansion of x in y
4.317 * [backup-simplify]: Simplify x into x
4.317 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.317 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in x
4.317 * [taylor]: Taking taylor expansion of x in x
4.317 * [backup-simplify]: Simplify 0 into 0
4.317 * [backup-simplify]: Simplify 1 into 1
4.317 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
4.317 * [taylor]: Taking taylor expansion of 1/2 in x
4.317 * [backup-simplify]: Simplify 1/2 into 1/2
4.318 * [taylor]: Taking taylor expansion of (/ y x) in x
4.318 * [taylor]: Taking taylor expansion of y in x
4.318 * [backup-simplify]: Simplify y into y
4.318 * [taylor]: Taking taylor expansion of x in x
4.318 * [backup-simplify]: Simplify 0 into 0
4.318 * [backup-simplify]: Simplify 1 into 1
4.318 * [backup-simplify]: Simplify (/ y 1) into y
4.318 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in x
4.318 * [taylor]: Taking taylor expansion of x in x
4.318 * [backup-simplify]: Simplify 0 into 0
4.318 * [backup-simplify]: Simplify 1 into 1
4.318 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
4.318 * [taylor]: Taking taylor expansion of 1/2 in x
4.318 * [backup-simplify]: Simplify 1/2 into 1/2
4.318 * [taylor]: Taking taylor expansion of (/ y x) in x
4.318 * [taylor]: Taking taylor expansion of y in x
4.318 * [backup-simplify]: Simplify y into y
4.318 * [taylor]: Taking taylor expansion of x in x
4.318 * [backup-simplify]: Simplify 0 into 0
4.318 * [backup-simplify]: Simplify 1 into 1
4.318 * [backup-simplify]: Simplify (/ y 1) into y
4.318 * [backup-simplify]: Simplify (* 1/2 y) into (* 1/2 y)
4.318 * [backup-simplify]: Simplify (+ 0 (* 1/2 y)) into (* 1/2 y)
4.318 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
4.318 * [taylor]: Taking taylor expansion of 1/2 in y
4.318 * [backup-simplify]: Simplify 1/2 into 1/2
4.318 * [taylor]: Taking taylor expansion of y in y
4.318 * [backup-simplify]: Simplify 0 into 0
4.318 * [backup-simplify]: Simplify 1 into 1
4.319 * [backup-simplify]: Simplify (* 1/2 0) into 0
4.319 * [backup-simplify]: Simplify 0 into 0
4.320 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* y (/ 0 1)))) into 0
4.321 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 y)) into 0
4.321 * [backup-simplify]: Simplify (+ 0 0) into 0
4.321 * [taylor]: Taking taylor expansion of 0 in y
4.321 * [backup-simplify]: Simplify 0 into 0
4.321 * [backup-simplify]: Simplify 0 into 0
4.322 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 0)) into 1/2
4.322 * [backup-simplify]: Simplify 1/2 into 1/2
4.324 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* y (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.324 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 y))) into 0
4.325 * [backup-simplify]: Simplify (+ 1 0) into 1
4.325 * [taylor]: Taking taylor expansion of 1 in y
4.325 * [backup-simplify]: Simplify 1 into 1
4.325 * [backup-simplify]: Simplify 1 into 1
4.325 * [backup-simplify]: Simplify 0 into 0
4.326 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 0))) into 0
4.326 * [backup-simplify]: Simplify 0 into 0
4.328 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* y (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.329 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
4.330 * [backup-simplify]: Simplify (+ 0 0) into 0
4.330 * [taylor]: Taking taylor expansion of 0 in y
4.330 * [backup-simplify]: Simplify 0 into 0
4.330 * [backup-simplify]: Simplify 0 into 0
4.330 * [backup-simplify]: Simplify 0 into 0
4.330 * [backup-simplify]: Simplify 0 into 0
4.332 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
4.332 * [backup-simplify]: Simplify 0 into 0
4.332 * [backup-simplify]: Simplify (+ (* 1 (* 1 x)) (* 1/2 (* y (/ 1 x)))) into (+ x (* 1/2 (/ y x)))
4.332 * [backup-simplify]: Simplify (+ (/ 1 x) (* 1/2 (/ (/ 1 y) (/ 1 x)))) into (+ (* 1/2 (/ x y)) (/ 1 x))
4.332 * [approximate]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in (x y) around 0
4.332 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in y
4.332 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
4.333 * [taylor]: Taking taylor expansion of 1/2 in y
4.333 * [backup-simplify]: Simplify 1/2 into 1/2
4.333 * [taylor]: Taking taylor expansion of (/ x y) in y
4.333 * [taylor]: Taking taylor expansion of x in y
4.333 * [backup-simplify]: Simplify x into x
4.333 * [taylor]: Taking taylor expansion of y in y
4.333 * [backup-simplify]: Simplify 0 into 0
4.333 * [backup-simplify]: Simplify 1 into 1
4.333 * [backup-simplify]: Simplify (/ x 1) into x
4.333 * [taylor]: Taking taylor expansion of (/ 1 x) in y
4.333 * [taylor]: Taking taylor expansion of x in y
4.333 * [backup-simplify]: Simplify x into x
4.333 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.333 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in x
4.333 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
4.333 * [taylor]: Taking taylor expansion of 1/2 in x
4.333 * [backup-simplify]: Simplify 1/2 into 1/2
4.333 * [taylor]: Taking taylor expansion of (/ x y) in x
4.333 * [taylor]: Taking taylor expansion of x in x
4.333 * [backup-simplify]: Simplify 0 into 0
4.333 * [backup-simplify]: Simplify 1 into 1
4.333 * [taylor]: Taking taylor expansion of y in x
4.333 * [backup-simplify]: Simplify y into y
4.333 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.333 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.333 * [taylor]: Taking taylor expansion of x in x
4.333 * [backup-simplify]: Simplify 0 into 0
4.333 * [backup-simplify]: Simplify 1 into 1
4.334 * [backup-simplify]: Simplify (/ 1 1) into 1
4.334 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in x
4.334 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
4.334 * [taylor]: Taking taylor expansion of 1/2 in x
4.334 * [backup-simplify]: Simplify 1/2 into 1/2
4.334 * [taylor]: Taking taylor expansion of (/ x y) in x
4.334 * [taylor]: Taking taylor expansion of x in x
4.334 * [backup-simplify]: Simplify 0 into 0
4.334 * [backup-simplify]: Simplify 1 into 1
4.334 * [taylor]: Taking taylor expansion of y in x
4.334 * [backup-simplify]: Simplify y into y
4.334 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.334 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.334 * [taylor]: Taking taylor expansion of x in x
4.334 * [backup-simplify]: Simplify 0 into 0
4.334 * [backup-simplify]: Simplify 1 into 1
4.335 * [backup-simplify]: Simplify (/ 1 1) into 1
4.335 * [backup-simplify]: Simplify (+ 0 1) into 1
4.335 * [taylor]: Taking taylor expansion of 1 in y
4.335 * [backup-simplify]: Simplify 1 into 1
4.336 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.337 * [backup-simplify]: Simplify (+ 0 0) into 0
4.337 * [taylor]: Taking taylor expansion of 0 in y
4.337 * [backup-simplify]: Simplify 0 into 0
4.337 * [backup-simplify]: Simplify 1 into 1
4.337 * [backup-simplify]: Simplify (* 1/2 (/ 1 y)) into (/ 1/2 y)
4.338 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.338 * [backup-simplify]: Simplify (+ (/ 1/2 y) 0) into (* 1/2 (/ 1 y))
4.338 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
4.338 * [taylor]: Taking taylor expansion of 1/2 in y
4.338 * [backup-simplify]: Simplify 1/2 into 1/2
4.338 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.338 * [taylor]: Taking taylor expansion of y in y
4.338 * [backup-simplify]: Simplify 0 into 0
4.338 * [backup-simplify]: Simplify 1 into 1
4.339 * [backup-simplify]: Simplify (/ 1 1) into 1
4.339 * [backup-simplify]: Simplify (* 1/2 1) into 1/2
4.339 * [backup-simplify]: Simplify 1/2 into 1/2
4.339 * [backup-simplify]: Simplify 0 into 0
4.339 * [backup-simplify]: Simplify 0 into 0
4.339 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)))) into 0
4.340 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 (/ 1 y))) into 0
4.341 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.341 * [backup-simplify]: Simplify (+ 0 0) into 0
4.341 * [taylor]: Taking taylor expansion of 0 in y
4.341 * [backup-simplify]: Simplify 0 into 0
4.342 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.343 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 1)) into 0
4.343 * [backup-simplify]: Simplify 0 into 0
4.343 * [backup-simplify]: Simplify 0 into 0
4.343 * [backup-simplify]: Simplify 0 into 0
4.343 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
4.344 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
4.345 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.345 * [backup-simplify]: Simplify (+ 0 0) into 0
4.345 * [taylor]: Taking taylor expansion of 0 in y
4.345 * [backup-simplify]: Simplify 0 into 0
4.346 * [backup-simplify]: Simplify 0 into 0
4.346 * [backup-simplify]: Simplify (+ (* 1/2 (* (/ 1 (/ 1 y)) (/ 1 x))) (* 1 (* 1 (/ 1 (/ 1 x))))) into (+ x (* 1/2 (/ y x)))
4.346 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (* 1/2 (/ (/ 1 (- y)) (/ 1 (- x))))) into (- (* 1/2 (/ x y)) (/ 1 x))
4.346 * [approximate]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in (x y) around 0
4.346 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in y
4.346 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
4.346 * [taylor]: Taking taylor expansion of 1/2 in y
4.346 * [backup-simplify]: Simplify 1/2 into 1/2
4.346 * [taylor]: Taking taylor expansion of (/ x y) in y
4.346 * [taylor]: Taking taylor expansion of x in y
4.346 * [backup-simplify]: Simplify x into x
4.346 * [taylor]: Taking taylor expansion of y in y
4.346 * [backup-simplify]: Simplify 0 into 0
4.346 * [backup-simplify]: Simplify 1 into 1
4.346 * [backup-simplify]: Simplify (/ x 1) into x
4.346 * [taylor]: Taking taylor expansion of (/ 1 x) in y
4.346 * [taylor]: Taking taylor expansion of x in y
4.346 * [backup-simplify]: Simplify x into x
4.346 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.346 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in x
4.346 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
4.346 * [taylor]: Taking taylor expansion of 1/2 in x
4.346 * [backup-simplify]: Simplify 1/2 into 1/2
4.346 * [taylor]: Taking taylor expansion of (/ x y) in x
4.346 * [taylor]: Taking taylor expansion of x in x
4.346 * [backup-simplify]: Simplify 0 into 0
4.346 * [backup-simplify]: Simplify 1 into 1
4.346 * [taylor]: Taking taylor expansion of y in x
4.347 * [backup-simplify]: Simplify y into y
4.347 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.347 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.347 * [taylor]: Taking taylor expansion of x in x
4.347 * [backup-simplify]: Simplify 0 into 0
4.347 * [backup-simplify]: Simplify 1 into 1
4.347 * [backup-simplify]: Simplify (/ 1 1) into 1
4.347 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in x
4.347 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
4.347 * [taylor]: Taking taylor expansion of 1/2 in x
4.347 * [backup-simplify]: Simplify 1/2 into 1/2
4.347 * [taylor]: Taking taylor expansion of (/ x y) in x
4.347 * [taylor]: Taking taylor expansion of x in x
4.347 * [backup-simplify]: Simplify 0 into 0
4.347 * [backup-simplify]: Simplify 1 into 1
4.347 * [taylor]: Taking taylor expansion of y in x
4.347 * [backup-simplify]: Simplify y into y
4.347 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.347 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.347 * [taylor]: Taking taylor expansion of x in x
4.347 * [backup-simplify]: Simplify 0 into 0
4.347 * [backup-simplify]: Simplify 1 into 1
4.347 * [backup-simplify]: Simplify (/ 1 1) into 1
4.348 * [backup-simplify]: Simplify (- 1) into -1
4.348 * [backup-simplify]: Simplify (+ 0 -1) into -1
4.348 * [taylor]: Taking taylor expansion of -1 in y
4.348 * [backup-simplify]: Simplify -1 into -1
4.348 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.349 * [backup-simplify]: Simplify (- 0) into 0
4.349 * [backup-simplify]: Simplify (+ 0 0) into 0
4.349 * [taylor]: Taking taylor expansion of 0 in y
4.349 * [backup-simplify]: Simplify 0 into 0
4.349 * [backup-simplify]: Simplify -1 into -1
4.349 * [backup-simplify]: Simplify (* 1/2 (/ 1 y)) into (/ 1/2 y)
4.350 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.350 * [backup-simplify]: Simplify (- 0) into 0
4.350 * [backup-simplify]: Simplify (+ (/ 1/2 y) 0) into (* 1/2 (/ 1 y))
4.350 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
4.350 * [taylor]: Taking taylor expansion of 1/2 in y
4.350 * [backup-simplify]: Simplify 1/2 into 1/2
4.350 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.350 * [taylor]: Taking taylor expansion of y in y
4.350 * [backup-simplify]: Simplify 0 into 0
4.350 * [backup-simplify]: Simplify 1 into 1
4.350 * [backup-simplify]: Simplify (/ 1 1) into 1
4.351 * [backup-simplify]: Simplify (* 1/2 1) into 1/2
4.351 * [backup-simplify]: Simplify 1/2 into 1/2
4.351 * [backup-simplify]: Simplify 0 into 0
4.351 * [backup-simplify]: Simplify 0 into 0
4.351 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)))) into 0
4.351 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 (/ 1 y))) into 0
4.352 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.352 * [backup-simplify]: Simplify (- 0) into 0
4.352 * [backup-simplify]: Simplify (+ 0 0) into 0
4.352 * [taylor]: Taking taylor expansion of 0 in y
4.352 * [backup-simplify]: Simplify 0 into 0
4.353 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.353 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 1)) into 0
4.353 * [backup-simplify]: Simplify 0 into 0
4.353 * [backup-simplify]: Simplify 0 into 0
4.353 * [backup-simplify]: Simplify 0 into 0
4.353 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
4.354 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
4.354 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.359 * [backup-simplify]: Simplify (- 0) into 0
4.360 * [backup-simplify]: Simplify (+ 0 0) into 0
4.360 * [taylor]: Taking taylor expansion of 0 in y
4.360 * [backup-simplify]: Simplify 0 into 0
4.360 * [backup-simplify]: Simplify 0 into 0
4.360 * [backup-simplify]: Simplify (+ (* 1/2 (* (/ 1 (/ 1 (- y))) (/ 1 (- x)))) (* -1 (* 1 (/ 1 (/ 1 (- x)))))) into (+ x (* 1/2 (/ y x)))
4.360 * * * [progress]: simplifying candidates
4.361 * [simplify]: Simplifying:
  (* (exp x) (exp (* 1/2 (/ y x))))
  (log (+ x (* 1/2 (/ y x))))
  (exp (+ x (* 1/2 (/ y x))))
  (* (cbrt (+ x (* 1/2 (/ y x)))) (cbrt (+ x (* 1/2 (/ y x)))))
  (cbrt (+ x (* 1/2 (/ y x))))
  (* (* (+ x (* 1/2 (/ y x))) (+ x (* 1/2 (/ y x)))) (+ x (* 1/2 (/ y x))))
  (sqrt (+ x (* 1/2 (/ y x))))
  (sqrt (+ x (* 1/2 (/ y x))))
  (+ (pow x 3) (pow (* 1/2 (/ y x)) 3))
  (+ (* x x) (- (* (* 1/2 (/ y x)) (* 1/2 (/ y x))) (* x (* 1/2 (/ y x)))))
  (- (* x x) (* (* 1/2 (/ y x)) (* 1/2 (/ y x))))
  (- x (* 1/2 (/ y x)))
  (+ x (* 1/2 (/ y x)))
  (+ x (* 1/2 (/ y x)))
  (+ x (* 1/2 (/ y x)))
4.361 * * [simplify]: Extracting # 0 : cost  0
4.361 * * [simplify]: Extracting # 1 : cost  0
4.361 * * [simplify]: Extracting # 2 : cost  0
4.361 * * [simplify]: Extracting # 3 : cost  0
4.361 * * [simplify]: Extracting # 4 : cost  0
4.361 * * [simplify]: Extracting # 5 : cost  0
4.361 * * [simplify]: Extracting # 6 : cost  0
4.361 * * [simplify]: iteration  0 :  27  enodes  (cost  166 )
4.368 * * [simplify]: Extracting # 0 : cost  0
4.368 * * [simplify]: Extracting # 1 : cost  0
4.369 * * [simplify]: Extracting # 2 : cost  0
4.369 * * [simplify]: Extracting # 3 : cost  0
4.369 * * [simplify]: iteration  1 :  86  enodes  (cost  157 )
4.402 * * [simplify]: Extracting # 0 : cost  0
4.402 * * [simplify]: Extracting # 1 : cost  0
4.402 * * [simplify]: Extracting # 2 : cost  0
4.403 * * [simplify]: Extracting # 3 : cost  0
4.403 * * [simplify]: Extracting # 4 : cost  0
4.403 * * [simplify]: Extracting # 5 : cost  0
4.404 * * [simplify]: iteration  2 :  294  enodes  (cost  143 )
4.624 * * [simplify]: Extracting # 0 : cost  0
4.626 * * [simplify]: Extracting # 1 : cost  0
4.628 * * [simplify]: Extracting # 2 : cost  0
4.630 * * [simplify]: Extracting # 3 : cost  0
4.631 * * [simplify]: Extracting # 4 : cost  0
4.633 * * [simplify]: iteration  3 :  964  enodes  (cost  143 )
6.125 * * [simplify]: Extracting # 0 : cost  0
6.130 * * [simplify]: Extracting # 1 : cost  0
6.133 * * [simplify]: Extracting # 2 : cost  0
6.136 * * [simplify]: Extracting # 3 : cost  0
6.139 * * [simplify]: Extracting # 4 : cost  0
6.141 * * [simplify]: iteration  4 :  3062  enodes  (cost  143 )
7.794 * * [simplify]: Extracting # 0 : cost  0
7.800 * * [simplify]: Extracting # 1 : cost  0
7.806 * * [simplify]: Extracting # 2 : cost  0
7.811 * * [simplify]: Extracting # 3 : cost  0
7.816 * * [simplify]: Extracting # 4 : cost  0
7.821 * * [simplify]: iteration done:  5000  enodes  (cost  143 )
7.821 * [simplify]: Simplified to:
  (exp (+ x (* 1/2 (/ y x))))
  (log (+ x (* 1/2 (/ y x))))
  (exp (+ x (* 1/2 (/ y x))))
  (* (cbrt (+ x (* 1/2 (/ y x)))) (cbrt (+ x (* 1/2 (/ y x)))))
  (cbrt (+ x (* 1/2 (/ y x))))
  (pow (+ x (* 1/2 (/ y x))) 3)
  (sqrt (+ x (* 1/2 (/ y x))))
  (sqrt (+ x (* 1/2 (/ y x))))
  (+ (pow x 3) (pow (* 1/2 (/ y x)) 3))
  (+ (* x x) (* (* 1/2 (/ y x)) (- (* 1/2 (/ y x)) x)))
  (- (* x x) (* 1/4 (* (/ y x) (/ y x))))
  (- x (* 1/2 (/ y x)))
  (+ x (* 1/2 (/ y x)))
  (+ x (* 1/2 (/ y x)))
  (+ x (* 1/2 (/ y x)))
7.821 * * * [progress]: adding candidates to table
7.865 * * [progress]: iteration 3 / 4
7.865 * * * [progress]: picking best candidate
7.866 * * * * [pick]: Picked  #<alt (λ (x y) (- (* (/ y x) -1/2) x))>
7.866 * * * [progress]: localizing error
7.872 * * * [progress]: generating rewritten candidates
7.872 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
7.893 * * * [progress]: generating series expansions
7.893 * * * * [progress]: [ 1 / 1 ] generating series at (2)
7.893 * [backup-simplify]: Simplify (- (* (/ y x) -1/2) x) into (- (+ x (* 1/2 (/ y x))))
7.893 * [approximate]: Taking taylor expansion of (- (+ x (* 1/2 (/ y x)))) in (y x) around 0
7.893 * [taylor]: Taking taylor expansion of (- (+ x (* 1/2 (/ y x)))) in x
7.893 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in x
7.893 * [taylor]: Taking taylor expansion of x in x
7.893 * [backup-simplify]: Simplify 0 into 0
7.893 * [backup-simplify]: Simplify 1 into 1
7.893 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
7.893 * [taylor]: Taking taylor expansion of 1/2 in x
7.893 * [backup-simplify]: Simplify 1/2 into 1/2
7.893 * [taylor]: Taking taylor expansion of (/ y x) in x
7.894 * [taylor]: Taking taylor expansion of y in x
7.894 * [backup-simplify]: Simplify y into y
7.894 * [taylor]: Taking taylor expansion of x in x
7.894 * [backup-simplify]: Simplify 0 into 0
7.894 * [backup-simplify]: Simplify 1 into 1
7.894 * [backup-simplify]: Simplify (/ y 1) into y
7.894 * [taylor]: Taking taylor expansion of (- (+ x (* 1/2 (/ y x)))) in y
7.894 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in y
7.894 * [taylor]: Taking taylor expansion of x in y
7.894 * [backup-simplify]: Simplify x into x
7.894 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
7.894 * [taylor]: Taking taylor expansion of 1/2 in y
7.894 * [backup-simplify]: Simplify 1/2 into 1/2
7.894 * [taylor]: Taking taylor expansion of (/ y x) in y
7.894 * [taylor]: Taking taylor expansion of y in y
7.894 * [backup-simplify]: Simplify 0 into 0
7.894 * [backup-simplify]: Simplify 1 into 1
7.894 * [taylor]: Taking taylor expansion of x in y
7.894 * [backup-simplify]: Simplify x into x
7.894 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
7.894 * [taylor]: Taking taylor expansion of (- (+ x (* 1/2 (/ y x)))) in y
7.894 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in y
7.894 * [taylor]: Taking taylor expansion of x in y
7.894 * [backup-simplify]: Simplify x into x
7.894 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
7.894 * [taylor]: Taking taylor expansion of 1/2 in y
7.894 * [backup-simplify]: Simplify 1/2 into 1/2
7.894 * [taylor]: Taking taylor expansion of (/ y x) in y
7.894 * [taylor]: Taking taylor expansion of y in y
7.894 * [backup-simplify]: Simplify 0 into 0
7.894 * [backup-simplify]: Simplify 1 into 1
7.894 * [taylor]: Taking taylor expansion of x in y
7.894 * [backup-simplify]: Simplify x into x
7.894 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
7.894 * [backup-simplify]: Simplify (+ x 0) into x
7.894 * [backup-simplify]: Simplify (- x) into (- x)
7.894 * [taylor]: Taking taylor expansion of (- x) in x
7.894 * [taylor]: Taking taylor expansion of x in x
7.894 * [backup-simplify]: Simplify 0 into 0
7.894 * [backup-simplify]: Simplify 1 into 1
7.894 * [backup-simplify]: Simplify (* 1/2 (/ 1 x)) into (/ 1/2 x)
7.894 * [backup-simplify]: Simplify (+ 0 (/ 1/2 x)) into (* 1/2 (/ 1 x))
7.894 * [backup-simplify]: Simplify (- (* 1/2 (/ 1 x))) into (- (* 1/2 (/ 1 x)))
7.894 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ 1 x))) in x
7.894 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 x)) in x
7.895 * [taylor]: Taking taylor expansion of 1/2 in x
7.895 * [backup-simplify]: Simplify 1/2 into 1/2
7.895 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.895 * [taylor]: Taking taylor expansion of x in x
7.895 * [backup-simplify]: Simplify 0 into 0
7.895 * [backup-simplify]: Simplify 1 into 1
7.895 * [backup-simplify]: Simplify (/ 1 1) into 1
7.895 * [backup-simplify]: Simplify (* 1/2 1) into 1/2
7.896 * [backup-simplify]: Simplify (- 1/2) into -1/2
7.896 * [backup-simplify]: Simplify -1/2 into -1/2
7.896 * [backup-simplify]: Simplify (- 0) into 0
7.896 * [backup-simplify]: Simplify 0 into 0
7.896 * [backup-simplify]: Simplify (- (/ 0 x) (+ (* (/ 1 x) (/ 0 x)))) into 0
7.896 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 (/ 1 x))) into 0
7.897 * [backup-simplify]: Simplify (+ 0 0) into 0
7.897 * [backup-simplify]: Simplify (- 0) into 0
7.897 * [taylor]: Taking taylor expansion of 0 in x
7.897 * [backup-simplify]: Simplify 0 into 0
7.897 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
7.898 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 1)) into 0
7.898 * [backup-simplify]: Simplify (- 0) into 0
7.898 * [backup-simplify]: Simplify 0 into 0
7.898 * [backup-simplify]: Simplify (- 1) into -1
7.898 * [backup-simplify]: Simplify -1 into -1
7.899 * [backup-simplify]: Simplify (- (/ 0 x) (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
7.899 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (/ 1 x)))) into 0
7.899 * [backup-simplify]: Simplify (+ 0 0) into 0
7.900 * [backup-simplify]: Simplify (- 0) into 0
7.900 * [taylor]: Taking taylor expansion of 0 in x
7.900 * [backup-simplify]: Simplify 0 into 0
7.900 * [backup-simplify]: Simplify 0 into 0
7.900 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.901 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 1))) into 0
7.901 * [backup-simplify]: Simplify (- 0) into 0
7.901 * [backup-simplify]: Simplify 0 into 0
7.901 * [backup-simplify]: Simplify (- 0) into 0
7.901 * [backup-simplify]: Simplify 0 into 0
7.902 * [backup-simplify]: Simplify (- (/ 0 x) (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)) (* 0 (/ 0 x)))) into 0
7.902 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 x))))) into 0
7.903 * [backup-simplify]: Simplify (+ 0 0) into 0
7.903 * [backup-simplify]: Simplify (- 0) into 0
7.903 * [taylor]: Taking taylor expansion of 0 in x
7.903 * [backup-simplify]: Simplify 0 into 0
7.903 * [backup-simplify]: Simplify 0 into 0
7.903 * [backup-simplify]: Simplify 0 into 0
7.904 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.905 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
7.905 * [backup-simplify]: Simplify (- 0) into 0
7.905 * [backup-simplify]: Simplify 0 into 0
7.905 * [backup-simplify]: Simplify (+ (* -1 (* x 1)) (* -1/2 (* (/ 1 x) y))) into (- (+ x (* 1/2 (/ y x))))
7.905 * [backup-simplify]: Simplify (- (* (/ (/ 1 y) (/ 1 x)) -1/2) (/ 1 x)) into (- (+ (* 1/2 (/ x y)) (/ 1 x)))
7.905 * [approximate]: Taking taylor expansion of (- (+ (* 1/2 (/ x y)) (/ 1 x))) in (y x) around 0
7.905 * [taylor]: Taking taylor expansion of (- (+ (* 1/2 (/ x y)) (/ 1 x))) in x
7.905 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in x
7.905 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
7.905 * [taylor]: Taking taylor expansion of 1/2 in x
7.905 * [backup-simplify]: Simplify 1/2 into 1/2
7.905 * [taylor]: Taking taylor expansion of (/ x y) in x
7.905 * [taylor]: Taking taylor expansion of x in x
7.905 * [backup-simplify]: Simplify 0 into 0
7.905 * [backup-simplify]: Simplify 1 into 1
7.905 * [taylor]: Taking taylor expansion of y in x
7.905 * [backup-simplify]: Simplify y into y
7.905 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
7.905 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.905 * [taylor]: Taking taylor expansion of x in x
7.905 * [backup-simplify]: Simplify 0 into 0
7.906 * [backup-simplify]: Simplify 1 into 1
7.906 * [backup-simplify]: Simplify (/ 1 1) into 1
7.906 * [taylor]: Taking taylor expansion of (- (+ (* 1/2 (/ x y)) (/ 1 x))) in y
7.906 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in y
7.906 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
7.906 * [taylor]: Taking taylor expansion of 1/2 in y
7.906 * [backup-simplify]: Simplify 1/2 into 1/2
7.906 * [taylor]: Taking taylor expansion of (/ x y) in y
7.906 * [taylor]: Taking taylor expansion of x in y
7.906 * [backup-simplify]: Simplify x into x
7.906 * [taylor]: Taking taylor expansion of y in y
7.906 * [backup-simplify]: Simplify 0 into 0
7.906 * [backup-simplify]: Simplify 1 into 1
7.906 * [backup-simplify]: Simplify (/ x 1) into x
7.906 * [taylor]: Taking taylor expansion of (/ 1 x) in y
7.906 * [taylor]: Taking taylor expansion of x in y
7.906 * [backup-simplify]: Simplify x into x
7.906 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
7.906 * [taylor]: Taking taylor expansion of (- (+ (* 1/2 (/ x y)) (/ 1 x))) in y
7.906 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in y
7.906 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
7.906 * [taylor]: Taking taylor expansion of 1/2 in y
7.906 * [backup-simplify]: Simplify 1/2 into 1/2
7.906 * [taylor]: Taking taylor expansion of (/ x y) in y
7.906 * [taylor]: Taking taylor expansion of x in y
7.906 * [backup-simplify]: Simplify x into x
7.906 * [taylor]: Taking taylor expansion of y in y
7.906 * [backup-simplify]: Simplify 0 into 0
7.906 * [backup-simplify]: Simplify 1 into 1
7.906 * [backup-simplify]: Simplify (/ x 1) into x
7.906 * [taylor]: Taking taylor expansion of (/ 1 x) in y
7.906 * [taylor]: Taking taylor expansion of x in y
7.906 * [backup-simplify]: Simplify x into x
7.906 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
7.906 * [backup-simplify]: Simplify (* 1/2 x) into (* 1/2 x)
7.907 * [backup-simplify]: Simplify (+ (* 1/2 x) 0) into (* 1/2 x)
7.907 * [backup-simplify]: Simplify (- (* 1/2 x)) into (- (* 1/2 x))
7.907 * [taylor]: Taking taylor expansion of (- (* 1/2 x)) in x
7.907 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
7.907 * [taylor]: Taking taylor expansion of 1/2 in x
7.907 * [backup-simplify]: Simplify 1/2 into 1/2
7.907 * [taylor]: Taking taylor expansion of x in x
7.907 * [backup-simplify]: Simplify 0 into 0
7.907 * [backup-simplify]: Simplify 1 into 1
7.907 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)))) into 0
7.908 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 x)) into 0
7.908 * [backup-simplify]: Simplify (+ 0 (/ 1 x)) into (/ 1 x)
7.908 * [backup-simplify]: Simplify (- (/ 1 x)) into (- (/ 1 x))
7.908 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
7.908 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.908 * [taylor]: Taking taylor expansion of x in x
7.908 * [backup-simplify]: Simplify 0 into 0
7.908 * [backup-simplify]: Simplify 1 into 1
7.908 * [backup-simplify]: Simplify (/ 1 1) into 1
7.908 * [backup-simplify]: Simplify (- 1) into -1
7.908 * [backup-simplify]: Simplify -1 into -1
7.909 * [backup-simplify]: Simplify (* 1/2 0) into 0
7.909 * [backup-simplify]: Simplify (- 0) into 0
7.909 * [backup-simplify]: Simplify 0 into 0
7.910 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.911 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 x))) into 0
7.911 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)))) into 0
7.911 * [backup-simplify]: Simplify (+ 0 0) into 0
7.912 * [backup-simplify]: Simplify (- 0) into 0
7.912 * [taylor]: Taking taylor expansion of 0 in x
7.912 * [backup-simplify]: Simplify 0 into 0
7.913 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
7.913 * [backup-simplify]: Simplify (- 0) into 0
7.913 * [backup-simplify]: Simplify 0 into 0
7.914 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 0)) into 1/2
7.914 * [backup-simplify]: Simplify (- 1/2) into -1/2
7.914 * [backup-simplify]: Simplify -1/2 into -1/2
7.915 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.916 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 x)))) into 0
7.916 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
7.916 * [backup-simplify]: Simplify (+ 0 0) into 0
7.917 * [backup-simplify]: Simplify (- 0) into 0
7.917 * [taylor]: Taking taylor expansion of 0 in x
7.917 * [backup-simplify]: Simplify 0 into 0
7.917 * [backup-simplify]: Simplify 0 into 0
7.917 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.917 * [backup-simplify]: Simplify (- 0) into 0
7.917 * [backup-simplify]: Simplify 0 into 0
7.918 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 0))) into 0
7.918 * [backup-simplify]: Simplify (- 0) into 0
7.918 * [backup-simplify]: Simplify 0 into 0
7.920 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.921 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 x))))) into 0
7.921 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)) (* 0 (/ 0 x)))) into 0
7.922 * [backup-simplify]: Simplify (+ 0 0) into 0
7.922 * [backup-simplify]: Simplify (- 0) into 0
7.922 * [taylor]: Taking taylor expansion of 0 in x
7.922 * [backup-simplify]: Simplify 0 into 0
7.922 * [backup-simplify]: Simplify 0 into 0
7.922 * [backup-simplify]: Simplify 0 into 0
7.923 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.923 * [backup-simplify]: Simplify (- 0) into 0
7.923 * [backup-simplify]: Simplify 0 into 0
7.924 * [backup-simplify]: Simplify (+ (* -1/2 (* (/ 1 x) (/ 1 (/ 1 y)))) (* -1 (* (/ 1 (/ 1 x)) 1))) into (- (+ x (* 1/2 (/ y x))))
7.924 * [backup-simplify]: Simplify (- (* (/ (/ 1 (- y)) (/ 1 (- x))) -1/2) (/ 1 (- x))) into (- (/ 1 x) (* 1/2 (/ x y)))
7.924 * [approximate]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in (y x) around 0
7.924 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in x
7.924 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.924 * [taylor]: Taking taylor expansion of x in x
7.924 * [backup-simplify]: Simplify 0 into 0
7.924 * [backup-simplify]: Simplify 1 into 1
7.924 * [backup-simplify]: Simplify (/ 1 1) into 1
7.924 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
7.925 * [taylor]: Taking taylor expansion of 1/2 in x
7.925 * [backup-simplify]: Simplify 1/2 into 1/2
7.925 * [taylor]: Taking taylor expansion of (/ x y) in x
7.925 * [taylor]: Taking taylor expansion of x in x
7.925 * [backup-simplify]: Simplify 0 into 0
7.925 * [backup-simplify]: Simplify 1 into 1
7.925 * [taylor]: Taking taylor expansion of y in x
7.925 * [backup-simplify]: Simplify y into y
7.925 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
7.925 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in y
7.925 * [taylor]: Taking taylor expansion of (/ 1 x) in y
7.925 * [taylor]: Taking taylor expansion of x in y
7.925 * [backup-simplify]: Simplify x into x
7.925 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
7.925 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
7.925 * [taylor]: Taking taylor expansion of 1/2 in y
7.925 * [backup-simplify]: Simplify 1/2 into 1/2
7.925 * [taylor]: Taking taylor expansion of (/ x y) in y
7.925 * [taylor]: Taking taylor expansion of x in y
7.925 * [backup-simplify]: Simplify x into x
7.925 * [taylor]: Taking taylor expansion of y in y
7.925 * [backup-simplify]: Simplify 0 into 0
7.925 * [backup-simplify]: Simplify 1 into 1
7.925 * [backup-simplify]: Simplify (/ x 1) into x
7.925 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in y
7.925 * [taylor]: Taking taylor expansion of (/ 1 x) in y
7.925 * [taylor]: Taking taylor expansion of x in y
7.925 * [backup-simplify]: Simplify x into x
7.925 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
7.925 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
7.925 * [taylor]: Taking taylor expansion of 1/2 in y
7.926 * [backup-simplify]: Simplify 1/2 into 1/2
7.926 * [taylor]: Taking taylor expansion of (/ x y) in y
7.926 * [taylor]: Taking taylor expansion of x in y
7.926 * [backup-simplify]: Simplify x into x
7.926 * [taylor]: Taking taylor expansion of y in y
7.926 * [backup-simplify]: Simplify 0 into 0
7.926 * [backup-simplify]: Simplify 1 into 1
7.926 * [backup-simplify]: Simplify (/ x 1) into x
7.926 * [backup-simplify]: Simplify (* 1/2 x) into (* 1/2 x)
7.926 * [backup-simplify]: Simplify (- (* 1/2 x)) into (- (* 1/2 x))
7.926 * [backup-simplify]: Simplify (+ 0 (- (* 1/2 x))) into (- (* 1/2 x))
7.926 * [taylor]: Taking taylor expansion of (- (* 1/2 x)) in x
7.926 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
7.926 * [taylor]: Taking taylor expansion of 1/2 in x
7.926 * [backup-simplify]: Simplify 1/2 into 1/2
7.926 * [taylor]: Taking taylor expansion of x in x
7.926 * [backup-simplify]: Simplify 0 into 0
7.926 * [backup-simplify]: Simplify 1 into 1
7.927 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)))) into 0
7.928 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 x)) into 0
7.928 * [backup-simplify]: Simplify (- 0) into 0
7.928 * [backup-simplify]: Simplify (+ (/ 1 x) 0) into (/ 1 x)
7.928 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.928 * [taylor]: Taking taylor expansion of x in x
7.928 * [backup-simplify]: Simplify 0 into 0
7.928 * [backup-simplify]: Simplify 1 into 1
7.928 * [backup-simplify]: Simplify (/ 1 1) into 1
7.929 * [backup-simplify]: Simplify 1 into 1
7.929 * [backup-simplify]: Simplify (* 1/2 0) into 0
7.929 * [backup-simplify]: Simplify (- 0) into 0
7.929 * [backup-simplify]: Simplify 0 into 0
7.929 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)))) into 0
7.931 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.932 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 x))) into 0
7.932 * [backup-simplify]: Simplify (- 0) into 0
7.932 * [backup-simplify]: Simplify (+ 0 0) into 0
7.932 * [taylor]: Taking taylor expansion of 0 in x
7.932 * [backup-simplify]: Simplify 0 into 0
7.933 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
7.933 * [backup-simplify]: Simplify 0 into 0
7.934 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 0)) into 1/2
7.934 * [backup-simplify]: Simplify (- 1/2) into -1/2
7.934 * [backup-simplify]: Simplify -1/2 into -1/2
7.935 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
7.937 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.938 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 x)))) into 0
7.943 * [backup-simplify]: Simplify (- 0) into 0
7.944 * [backup-simplify]: Simplify (+ 0 0) into 0
7.944 * [taylor]: Taking taylor expansion of 0 in x
7.944 * [backup-simplify]: Simplify 0 into 0
7.944 * [backup-simplify]: Simplify 0 into 0
7.945 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.945 * [backup-simplify]: Simplify 0 into 0
7.946 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 0))) into 0
7.946 * [backup-simplify]: Simplify (- 0) into 0
7.946 * [backup-simplify]: Simplify 0 into 0
7.947 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)) (* 0 (/ 0 x)))) into 0
7.949 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.951 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 x))))) into 0
7.951 * [backup-simplify]: Simplify (- 0) into 0
7.951 * [backup-simplify]: Simplify (+ 0 0) into 0
7.952 * [taylor]: Taking taylor expansion of 0 in x
7.952 * [backup-simplify]: Simplify 0 into 0
7.952 * [backup-simplify]: Simplify 0 into 0
7.952 * [backup-simplify]: Simplify 0 into 0
7.953 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.953 * [backup-simplify]: Simplify 0 into 0
7.953 * [backup-simplify]: Simplify (+ (* -1/2 (* (/ 1 (- x)) (/ 1 (/ 1 (- y))))) (* 1 (* (/ 1 (/ 1 (- x))) 1))) into (- (+ x (* 1/2 (/ y x))))
7.953 * * * [progress]: simplifying candidates
7.954 * [simplify]: Simplifying:
  (/ (exp (* (/ y x) -1/2)) (exp x))
  (log (- (* (/ y x) -1/2) x))
  (exp (- (* (/ y x) -1/2) x))
  (* (cbrt (- (* (/ y x) -1/2) x)) (cbrt (- (* (/ y x) -1/2) x)))
  (cbrt (- (* (/ y x) -1/2) x))
  (* (* (- (* (/ y x) -1/2) x) (- (* (/ y x) -1/2) x)) (- (* (/ y x) -1/2) x))
  (sqrt (- (* (/ y x) -1/2) x))
  (sqrt (- (* (/ y x) -1/2) x))
  (- (pow (* (/ y x) -1/2) 3) (pow x 3))
  (+ (* (* (/ y x) -1/2) (* (/ y x) -1/2)) (+ (* x x) (* (* (/ y x) -1/2) x)))
  (- x)
  (- (* (* (/ y x) -1/2) (* (/ y x) -1/2)) (* x x))
  (+ (* (/ y x) -1/2) x)
  (- x)
  (- (+ x (* 1/2 (/ y x))))
  (- (+ x (* 1/2 (/ y x))))
  (- (+ x (* 1/2 (/ y x))))
7.955 * * [simplify]: Extracting # 0 : cost  0
7.955 * * [simplify]: Extracting # 1 : cost  0
7.955 * * [simplify]: Extracting # 2 : cost  0
7.955 * * [simplify]: Extracting # 3 : cost  0
7.955 * * [simplify]: Extracting # 4 : cost  0
7.955 * * [simplify]: Extracting # 5 : cost  0
7.955 * * [simplify]: Extracting # 6 : cost  0
7.955 * * [simplify]: Extracting # 7 : cost  0
7.955 * * [simplify]: iteration  0 :  32  enodes  (cost  173 )
7.969 * * [simplify]: Extracting # 0 : cost  0
7.969 * * [simplify]: Extracting # 1 : cost  0
7.970 * * [simplify]: Extracting # 2 : cost  0
7.970 * * [simplify]: Extracting # 3 : cost  0
7.970 * * [simplify]: iteration  1 :  82  enodes  (cost  166 )
8.012 * * [simplify]: Extracting # 0 : cost  0
8.012 * * [simplify]: Extracting # 1 : cost  0
8.013 * * [simplify]: Extracting # 2 : cost  0
8.013 * * [simplify]: Extracting # 3 : cost  0
8.014 * * [simplify]: Extracting # 4 : cost  0
8.014 * * [simplify]: iteration  2 :  227  enodes  (cost  149 )
8.203 * * [simplify]: Extracting # 0 : cost  0
8.205 * * [simplify]: Extracting # 1 : cost  0
8.207 * * [simplify]: Extracting # 2 : cost  0
8.208 * * [simplify]: Extracting # 3 : cost  0
8.210 * * [simplify]: Extracting # 4 : cost  0
8.212 * * [simplify]: Extracting # 5 : cost  0
8.213 * * [simplify]: Extracting # 6 : cost  0
8.215 * * [simplify]: iteration  3 :  841  enodes  (cost  147 )
9.643 * * [simplify]: Extracting # 0 : cost  0
9.654 * * [simplify]: Extracting # 1 : cost  0
9.661 * * [simplify]: Extracting # 2 : cost  0
9.665 * * [simplify]: Extracting # 3 : cost  0
9.669 * * [simplify]: Extracting # 4 : cost  0
9.672 * * [simplify]: iteration  4 :  3605  enodes  (cost  147 )
11.299 * * [simplify]: Extracting # 0 : cost  0
11.308 * * [simplify]: Extracting # 1 : cost  0
11.319 * * [simplify]: Extracting # 2 : cost  0
11.329 * * [simplify]: iteration done:  5000  enodes  (cost  147 )
11.329 * [simplify]: Simplified to:
  (exp (- (* (/ y x) -1/2) x))
  (log (- (* (/ y x) -1/2) x))
  (exp (- (* (/ y x) -1/2) x))
  (* (cbrt (- (* (/ y x) -1/2) x)) (cbrt (- (* (/ y x) -1/2) x)))
  (cbrt (- (* (/ y x) -1/2) x))
  (pow (- (* (/ y x) -1/2) x) 3)
  (sqrt (- (* (/ y x) -1/2) x))
  (sqrt (- (* (/ y x) -1/2) x))
  (- (pow (* (/ y x) -1/2) 3) (pow x 3))
  (+ (* (+ (* (/ y x) -1/2) x) (* (/ y x) -1/2)) (* x x))
  (- x)
  (- (* (* (/ y x) (/ y x)) 1/4) (* x x))
  (+ (* (/ y x) -1/2) x)
  (- x)
  (- (* (/ y x) -1/2) x)
  (- (* (/ y x) -1/2) x)
  (- (* (/ y x) -1/2) x)
11.329 * * * [progress]: adding candidates to table
11.376 * [progress]: [Phase 3 of 3] Extracting.
11.376 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))> #<alt (λ (x y) (- (* (/ y x) -1/2) x))>)
11.377 * * * [regime-changes]: Trying 5 branch expressions: ((* x x) (+ (* x x) y) (sqrt (+ (* x x) y)) y x)
11.377 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))> #<alt (λ (x y) (- (* (/ y x) -1/2) x))>)
11.401 * * * * [regimes]: Trying to branch on (+ (* x x) y) from (#<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))> #<alt (λ (x y) (- (* (/ y x) -1/2) x))>)
11.418 * * * * [regimes]: Trying to branch on (sqrt (+ (* x x) y)) from (#<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))> #<alt (λ (x y) (- (* (/ y x) -1/2) x))>)
11.440 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))> #<alt (λ (x y) (- (* (/ y x) -1/2) x))>)
11.462 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))> #<alt (λ (x y) (- (* (/ y x) -1/2) x))>)
11.504 * * * [regime]: Found split indices: #<option (#s(si 2 39) #s(si 1 183) #s(si 0 255))>
11.505 * [binary-search]: Improving bounds with binary search for x and (#<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))> #<alt (λ (x y) (- (* (/ y x) -1/2) x))>)
11.576 * [regimes]: Found splitpoints: (#s(sp 2 x -1.3221955759293222e+154) #s(sp 1 x 1.892549585482312e+97) #s(sp 0 x +nan.0)) , with alts (#<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))> #<alt (λ (x y) (- (* (/ y x) -1/2) x))>)
11.577 * [simplify]: Simplifying:
  (if (<= x -1.3221955759293222e+154) (- (* (/ y x) -1/2) x) (if (<= x 1.892549585482312e+97) (sqrt (+ (* x x) y)) (+ x (* 1/2 (/ y x)))))
11.577 * * [simplify]: Extracting # 0 : cost  0
11.577 * * [simplify]: Extracting # 1 : cost  0
11.577 * * [simplify]: Extracting # 2 : cost  0
11.577 * * [simplify]: Extracting # 3 : cost  0
11.577 * * [simplify]: Extracting # 4 : cost  0
11.577 * * [simplify]: Extracting # 5 : cost  0
11.577 * * [simplify]: Extracting # 6 : cost  0
11.577 * * [simplify]: Extracting # 7 : cost  0
11.577 * * [simplify]: iteration  0 :  18  enodes  (cost  28 )
11.579 * * [simplify]: Extracting # 0 : cost  0
11.579 * * [simplify]: iteration  1 :  22  enodes  (cost  28 )
11.580 * * [simplify]: Extracting # 0 : cost  0
11.580 * * [simplify]: iteration done:  22  enodes  (cost  28 )
11.580 * [simplify]: Simplified to:
  (if (<= x -1.3221955759293222e+154) (- (* (/ y x) -1/2) x) (if (<= x 1.892549585482312e+97) (sqrt (+ (* x x) y)) (+ x (* 1/2 (/ y x)))))
12.586 * [regime-testing]: Baseline error score: 21.0147518439805
12.588 * [regime-testing]: Oracle error score: 0.002250281285160645
12.593 * [regime-testing]: End program error score: 0.17573114545953927
12.650 * [regime-testing]: Target error score: 0.46342751988434644