24.057 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.018 * * * [progress]: [2/2] Setting up program.
0.021 * [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
0.025 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt (+ (* x x) y)))>
0.025 * * * [progress]: localizing error
0.031 * * * [progress]: generating rewritten candidates
0.031 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.043 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.052 * * * [progress]: generating series expansions
0.052 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.053 * [backup-simplify]: Simplify (sqrt (+ (* x x) y)) into (sqrt (+ (pow x 2) y))
0.053 * [approximate]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in (x y) around 0
0.053 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in y
0.053 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in y
0.053 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.053 * [taylor]: Taking taylor expansion of x in y
0.053 * [backup-simplify]: Simplify x into x
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
0.053 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.053 * [backup-simplify]: Simplify (+ (pow x 2) 0) into (pow x 2)
0.053 * [backup-simplify]: Simplify (sqrt (pow x 2)) into x
0.053 * [backup-simplify]: Simplify (+ (* x 0) (* 0 x)) into 0
0.054 * [backup-simplify]: Simplify (+ 0 1) into 1
0.054 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt (pow x 2)))) into (/ 1/2 x)
0.054 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in x
0.054 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.054 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.054 * [taylor]: Taking taylor expansion of x in x
0.054 * [backup-simplify]: Simplify 0 into 0
0.054 * [backup-simplify]: Simplify 1 into 1
0.054 * [taylor]: Taking taylor expansion of y in x
0.054 * [backup-simplify]: Simplify y into y
0.054 * [backup-simplify]: Simplify (+ 0 y) into y
0.054 * [backup-simplify]: Simplify (sqrt y) into (sqrt y)
0.061 * [backup-simplify]: Simplify (+ 0 0) into 0
0.061 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt y))) into 0
0.061 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in x
0.061 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) 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 * [taylor]: Taking taylor expansion of y in x
0.061 * [backup-simplify]: Simplify y into y
0.061 * [backup-simplify]: Simplify (+ 0 y) into y
0.061 * [backup-simplify]: Simplify (sqrt y) into (sqrt y)
0.061 * [backup-simplify]: Simplify (+ 0 0) into 0
0.061 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt y))) into 0
0.062 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.062 * [taylor]: Taking taylor expansion of y in y
0.062 * [backup-simplify]: Simplify 0 into 0
0.062 * [backup-simplify]: Simplify 1 into 1
0.062 * [backup-simplify]: Simplify (sqrt 0) into 0
0.063 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.063 * [backup-simplify]: Simplify 0 into 0
0.063 * [taylor]: Taking taylor expansion of 0 in y
0.063 * [backup-simplify]: Simplify 0 into 0
0.063 * [backup-simplify]: Simplify 0 into 0
0.063 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.063 * [backup-simplify]: Simplify (* 1 1) into 1
0.064 * [backup-simplify]: Simplify (+ 1 0) into 1
0.064 * [backup-simplify]: Simplify (/ (- 1 (pow 0 2) (+)) (* 2 (sqrt y))) into (* 1/2 (sqrt (/ 1 y)))
0.064 * [taylor]: Taking taylor expansion of (* 1/2 (sqrt (/ 1 y))) in y
0.064 * [taylor]: Taking taylor expansion of 1/2 in y
0.064 * [backup-simplify]: Simplify 1/2 into 1/2
0.064 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.064 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.064 * [taylor]: Taking taylor expansion of y in y
0.064 * [backup-simplify]: Simplify 0 into 0
0.064 * [backup-simplify]: Simplify 1 into 1
0.065 * [backup-simplify]: Simplify (/ 1 1) into 1
0.065 * [backup-simplify]: Simplify (sqrt 0) into 0
0.066 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.067 * [backup-simplify]: Simplify (+ (* 1/2 +nan.0) (* 0 0)) into (- +nan.0)
0.067 * [backup-simplify]: Simplify (- +nan.0) into (- +nan.0)
0.067 * [backup-simplify]: Simplify 0 into 0
0.069 * [backup-simplify]: Simplify (/ (- 0 (pow +nan.0 2) (+)) (* 2 0)) into +nan.0
0.069 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.070 * [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))))))
0.070 * [backup-simplify]: Simplify (sqrt (+ (* (/ 1 x) (/ 1 x)) (/ 1 y))) into (sqrt (+ (/ 1 (pow x 2)) (/ 1 y)))
0.070 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in (x y) around 0
0.070 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in y
0.070 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.070 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.070 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.070 * [taylor]: Taking taylor expansion of x in y
0.070 * [backup-simplify]: Simplify x into x
0.070 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.070 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.070 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.070 * [taylor]: Taking taylor expansion of y in y
0.070 * [backup-simplify]: Simplify 0 into 0
0.070 * [backup-simplify]: Simplify 1 into 1
0.070 * [backup-simplify]: Simplify (/ 1 1) into 1
0.071 * [backup-simplify]: Simplify (+ 0 1) into 1
0.071 * [backup-simplify]: Simplify (sqrt 0) into 0
0.072 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.072 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in x
0.072 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.072 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.072 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.072 * [taylor]: Taking taylor expansion of x in x
0.072 * [backup-simplify]: Simplify 0 into 0
0.072 * [backup-simplify]: Simplify 1 into 1
0.072 * [backup-simplify]: Simplify (* 1 1) into 1
0.072 * [backup-simplify]: Simplify (/ 1 1) into 1
0.072 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.072 * [taylor]: Taking taylor expansion of y in x
0.072 * [backup-simplify]: Simplify y into y
0.072 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.073 * [backup-simplify]: Simplify (+ 1 0) into 1
0.073 * [backup-simplify]: Simplify (sqrt 1) into 1
0.073 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.074 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.074 * [backup-simplify]: Simplify (+ 0 0) into 0
0.075 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.075 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in x
0.075 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.075 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.075 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.075 * [taylor]: Taking taylor expansion of x in x
0.075 * [backup-simplify]: Simplify 0 into 0
0.075 * [backup-simplify]: Simplify 1 into 1
0.075 * [backup-simplify]: Simplify (* 1 1) into 1
0.075 * [backup-simplify]: Simplify (/ 1 1) into 1
0.075 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.075 * [taylor]: Taking taylor expansion of y in x
0.075 * [backup-simplify]: Simplify y into y
0.075 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.076 * [backup-simplify]: Simplify (+ 1 0) into 1
0.076 * [backup-simplify]: Simplify (sqrt 1) into 1
0.076 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.077 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.077 * [backup-simplify]: Simplify (+ 0 0) into 0
0.078 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.078 * [taylor]: Taking taylor expansion of 1 in y
0.078 * [backup-simplify]: Simplify 1 into 1
0.078 * [taylor]: Taking taylor expansion of 0 in y
0.078 * [backup-simplify]: Simplify 0 into 0
0.078 * [backup-simplify]: Simplify 1 into 1
0.078 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.079 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.079 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
0.080 * [backup-simplify]: Simplify (/ (- (/ 1 y) (pow 0 2) (+)) (* 2 1)) into (/ 1/2 y)
0.080 * [taylor]: Taking taylor expansion of (/ 1/2 y) in y
0.080 * [taylor]: Taking taylor expansion of 1/2 in y
0.080 * [backup-simplify]: Simplify 1/2 into 1/2
0.080 * [taylor]: Taking taylor expansion of y in y
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify 1 into 1
0.080 * [backup-simplify]: Simplify (/ 1/2 1) into 1/2
0.080 * [backup-simplify]: Simplify 1/2 into 1/2
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify 0 into 0
0.081 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.081 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.081 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.082 * [backup-simplify]: Simplify (+ 0 0) into 0
0.082 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 (/ 1/2 y))))) (* 2 1)) into 0
0.082 * [taylor]: Taking taylor expansion of 0 in y
0.082 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)))) into 0
0.083 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.084 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.084 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.084 * [backup-simplify]: Simplify (+ 0 0) into 0
0.085 * [backup-simplify]: Simplify (/ (- 0 (pow (/ 1/2 y) 2) (+ (* 2 (* 0 0)))) (* 2 1)) into (/ -1/8 (pow y 2))
0.085 * [taylor]: Taking taylor expansion of (/ -1/8 (pow y 2)) in y
0.085 * [taylor]: Taking taylor expansion of -1/8 in y
0.085 * [backup-simplify]: Simplify -1/8 into -1/8
0.085 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.085 * [taylor]: Taking taylor expansion of y in y
0.085 * [backup-simplify]: Simplify 0 into 0
0.085 * [backup-simplify]: Simplify 1 into 1
0.085 * [backup-simplify]: Simplify (* 1 1) into 1
0.086 * [backup-simplify]: Simplify (/ -1/8 1) into -1/8
0.086 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.087 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1/8 (/ 0 1)))) into 0
0.087 * [backup-simplify]: Simplify 0 into 0
0.087 * [backup-simplify]: Simplify (+ (* 1/2 (* (/ 1 (/ 1 y)) (/ 1 x))) (* 1 (* 1 (/ 1 (/ 1 x))))) into (+ x (* 1/2 (/ y x)))
0.087 * [backup-simplify]: Simplify (sqrt (+ (* (/ 1 (- x)) (/ 1 (- x))) (/ 1 (- y)))) into (sqrt (- (/ 1 (pow x 2)) (/ 1 y)))
0.087 * [approximate]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in (x y) around 0
0.087 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in y
0.087 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.087 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.087 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.087 * [taylor]: Taking taylor expansion of x in y
0.087 * [backup-simplify]: Simplify x into x
0.087 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.087 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.087 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.087 * [taylor]: Taking taylor expansion of y in y
0.087 * [backup-simplify]: Simplify 0 into 0
0.087 * [backup-simplify]: Simplify 1 into 1
0.088 * [backup-simplify]: Simplify (/ 1 1) into 1
0.088 * [backup-simplify]: Simplify (- 1) into -1
0.088 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.088 * [backup-simplify]: Simplify (sqrt 0) into 0
0.089 * [backup-simplify]: Simplify (/ -1 (* 2 (sqrt 0))) into +nan.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
0.089 * [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)
0.090 * [backup-simplify]: Simplify (+ 1 0) into 1
0.090 * [backup-simplify]: Simplify (sqrt 1) into 1
0.091 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.091 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.092 * [backup-simplify]: Simplify (+ 0 0) into 0
0.092 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.092 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in x
0.092 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.092 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.092 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.092 * [taylor]: Taking taylor expansion of x in x
0.092 * [backup-simplify]: Simplify 0 into 0
0.092 * [backup-simplify]: Simplify 1 into 1
0.092 * [backup-simplify]: Simplify (* 1 1) into 1
0.093 * [backup-simplify]: Simplify (/ 1 1) into 1
0.093 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.093 * [taylor]: Taking taylor expansion of y in x
0.093 * [backup-simplify]: Simplify y into y
0.093 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.093 * [backup-simplify]: Simplify (+ 1 0) into 1
0.093 * [backup-simplify]: Simplify (sqrt 1) into 1
0.094 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.094 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.094 * [backup-simplify]: Simplify (+ 0 0) into 0
0.095 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.095 * [taylor]: Taking taylor expansion of 1 in y
0.095 * [backup-simplify]: Simplify 1 into 1
0.095 * [taylor]: Taking taylor expansion of 0 in y
0.095 * [backup-simplify]: Simplify 0 into 0
0.095 * [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))
0.097 * [backup-simplify]: Simplify (/ (- (- (/ 1 y)) (pow 0 2) (+)) (* 2 1)) into (/ -1/2 y)
0.097 * [taylor]: Taking taylor expansion of (/ -1/2 y) in y
0.097 * [taylor]: Taking taylor expansion of -1/2 in y
0.097 * [backup-simplify]: Simplify -1/2 into -1/2
0.097 * [taylor]: Taking taylor expansion of y in y
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify 1 into 1
0.097 * [backup-simplify]: Simplify (/ -1/2 1) into -1/2
0.097 * [backup-simplify]: Simplify -1/2 into -1/2
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.098 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.099 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.099 * [backup-simplify]: Simplify (- 0) into 0
0.099 * [backup-simplify]: Simplify (+ 0 0) into 0
0.099 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 (/ -1/2 y))))) (* 2 1)) into 0
0.099 * [taylor]: Taking taylor expansion of 0 in y
0.099 * [backup-simplify]: Simplify 0 into 0
0.100 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1/2 (/ 0 1)))) into 0
0.100 * [backup-simplify]: Simplify 0 into 0
0.100 * [backup-simplify]: Simplify 0 into 0
0.100 * [backup-simplify]: Simplify 0 into 0
0.101 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.102 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.102 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.102 * [backup-simplify]: Simplify (- 0) into 0
0.103 * [backup-simplify]: Simplify (+ 0 0) into 0
0.104 * [backup-simplify]: Simplify (/ (- 0 (pow (/ -1/2 y) 2) (+ (* 2 (* 0 0)))) (* 2 1)) into (/ -1/8 (pow y 2))
0.104 * [taylor]: Taking taylor expansion of (/ -1/8 (pow y 2)) in y
0.104 * [taylor]: Taking taylor expansion of -1/8 in y
0.104 * [backup-simplify]: Simplify -1/8 into -1/8
0.104 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.104 * [taylor]: Taking taylor expansion of y in y
0.104 * [backup-simplify]: Simplify 0 into 0
0.104 * [backup-simplify]: Simplify 1 into 1
0.104 * [backup-simplify]: Simplify (* 1 1) into 1
0.105 * [backup-simplify]: Simplify (/ -1/8 1) into -1/8
0.105 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.106 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1/8 (/ 0 1)))) into 0
0.106 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify (+ (* -1/2 (* (/ 1 (/ 1 (- y))) (/ 1 (- x)))) (* 1 (* 1 (/ 1 (/ 1 (- x)))))) into (- (+ x (* 1/2 (/ y x))))
0.106 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.107 * [backup-simplify]: Simplify (+ (* x x) y) into (+ (pow x 2) y)
0.107 * [approximate]: Taking taylor expansion of (+ (pow x 2) y) in (x y) around 0
0.107 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in y
0.107 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.107 * [taylor]: Taking taylor expansion of x in y
0.107 * [backup-simplify]: Simplify x into x
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
0.107 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.107 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.107 * [taylor]: Taking taylor expansion of x in x
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify 1 into 1
0.107 * [taylor]: Taking taylor expansion of y in x
0.107 * [backup-simplify]: Simplify y into y
0.107 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.107 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.107 * [taylor]: Taking taylor expansion of x in x
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify 1 into 1
0.107 * [taylor]: Taking taylor expansion of y in x
0.107 * [backup-simplify]: Simplify y into y
0.107 * [backup-simplify]: Simplify (+ 0 y) into 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
0.107 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify (+ 0 0) into 0
0.108 * [taylor]: Taking taylor expansion of 0 in y
0.108 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify 1 into 1
0.108 * [backup-simplify]: Simplify (* 1 1) into 1
0.109 * [backup-simplify]: Simplify (+ 1 0) into 1
0.109 * [taylor]: Taking taylor expansion of 1 in y
0.109 * [backup-simplify]: Simplify 1 into 1
0.109 * [backup-simplify]: Simplify 1 into 1
0.109 * [backup-simplify]: Simplify 0 into 0
0.109 * [backup-simplify]: Simplify 0 into 0
0.109 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.110 * [backup-simplify]: Simplify (+ 0 0) into 0
0.110 * [taylor]: Taking taylor expansion of 0 in y
0.110 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 x) 2)) (* 1 (* y 1))) into (+ (pow x 2) y)
0.110 * [backup-simplify]: Simplify (+ (* (/ 1 x) (/ 1 x)) (/ 1 y)) into (+ (/ 1 (pow x 2)) (/ 1 y))
0.110 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.110 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.110 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) 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
0.111 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.111 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.111 * [taylor]: Taking taylor expansion of (/ 1 y) in 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 (/ 1 1) into 1
0.111 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.111 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) 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
0.112 * [backup-simplify]: Simplify (* 1 1) into 1
0.112 * [backup-simplify]: Simplify (/ 1 1) into 1
0.112 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.112 * [taylor]: Taking taylor expansion of y in x
0.112 * [backup-simplify]: Simplify y into y
0.112 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.112 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.112 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.112 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.112 * [taylor]: Taking taylor expansion of x in x
0.112 * [backup-simplify]: Simplify 0 into 0
0.112 * [backup-simplify]: Simplify 1 into 1
0.113 * [backup-simplify]: Simplify (* 1 1) into 1
0.113 * [backup-simplify]: Simplify (/ 1 1) into 1
0.113 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.113 * [taylor]: Taking taylor expansion of y in x
0.113 * [backup-simplify]: Simplify y into y
0.113 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.114 * [backup-simplify]: Simplify (+ 1 0) into 1
0.114 * [taylor]: Taking taylor expansion of 1 in y
0.114 * [backup-simplify]: Simplify 1 into 1
0.114 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.115 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.115 * [backup-simplify]: Simplify (+ 0 0) into 0
0.115 * [taylor]: Taking taylor expansion of 0 in y
0.115 * [backup-simplify]: Simplify 0 into 0
0.115 * [backup-simplify]: Simplify 1 into 1
0.116 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.117 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.117 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
0.117 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.117 * [taylor]: Taking taylor expansion of y in y
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 into 1
0.118 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.119 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.119 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) 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
0.121 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.121 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify 0 into 0
0.122 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.123 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.123 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.123 * [backup-simplify]: Simplify (+ 0 0) into 0
0.123 * [taylor]: Taking taylor expansion of 0 in y
0.123 * [backup-simplify]: Simplify 0 into 0
0.123 * [backup-simplify]: Simplify 0 into 0
0.123 * [backup-simplify]: Simplify (+ (* 1 (* (/ 1 (/ 1 y)) 1)) (* 1 (pow (* 1 (/ 1 (/ 1 x))) 2))) into (+ (pow x 2) y)
0.124 * [backup-simplify]: Simplify (+ (* (/ 1 (- x)) (/ 1 (- x))) (/ 1 (- y))) into (- (/ 1 (pow x 2)) (/ 1 y))
0.124 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.124 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.124 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.124 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.124 * [taylor]: Taking taylor expansion of x in y
0.124 * [backup-simplify]: Simplify x into x
0.124 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.124 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.124 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.124 * [taylor]: Taking taylor expansion of y in y
0.124 * [backup-simplify]: Simplify 0 into 0
0.124 * [backup-simplify]: Simplify 1 into 1
0.125 * [backup-simplify]: Simplify (/ 1 1) into 1
0.125 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.125 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.125 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.125 * [taylor]: Taking taylor expansion of x in x
0.125 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify 1 into 1
0.125 * [backup-simplify]: Simplify (* 1 1) into 1
0.125 * [backup-simplify]: Simplify (/ 1 1) into 1
0.125 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.125 * [taylor]: Taking taylor expansion of y in x
0.126 * [backup-simplify]: Simplify y into y
0.126 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.126 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.126 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.126 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.126 * [taylor]: Taking taylor expansion of x in x
0.126 * [backup-simplify]: Simplify 0 into 0
0.126 * [backup-simplify]: Simplify 1 into 1
0.126 * [backup-simplify]: Simplify (* 1 1) into 1
0.127 * [backup-simplify]: Simplify (/ 1 1) into 1
0.127 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.127 * [taylor]: Taking taylor expansion of y in x
0.127 * [backup-simplify]: Simplify y into y
0.127 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.127 * [backup-simplify]: Simplify (+ 1 0) into 1
0.127 * [taylor]: Taking taylor expansion of 1 in y
0.127 * [backup-simplify]: Simplify 1 into 1
0.128 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.129 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.129 * [backup-simplify]: Simplify (+ 0 0) into 0
0.129 * [taylor]: Taking taylor expansion of 0 in y
0.129 * [backup-simplify]: Simplify 0 into 0
0.129 * [backup-simplify]: Simplify 1 into 1
0.130 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.131 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.131 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
0.131 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
0.131 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.131 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.131 * [taylor]: Taking taylor expansion of y in y
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) into -1
0.132 * [backup-simplify]: Simplify -1 into -1
0.132 * [backup-simplify]: Simplify 0 into 0
0.132 * [backup-simplify]: Simplify 0 into 0
0.133 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.134 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.134 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.134 * [backup-simplify]: Simplify (- 0) 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
0.135 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.135 * [backup-simplify]: Simplify (- 0) into 0
0.135 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify 0 into 0
0.137 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.137 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.138 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.138 * [backup-simplify]: Simplify (- 0) into 0
0.138 * [backup-simplify]: Simplify (+ 0 0) into 0
0.138 * [taylor]: Taking taylor expansion of 0 in y
0.138 * [backup-simplify]: Simplify 0 into 0
0.138 * [backup-simplify]: Simplify 0 into 0
0.139 * [backup-simplify]: Simplify (+ (* -1 (* (/ 1 (/ 1 (- y))) 1)) (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 2))) into (+ (pow x 2) y)
0.139 * * * [progress]: simplifying candidates
0.140 * [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)
0.141 * * [simplify]: Extracting # 0 : cost  0
0.141 * * [simplify]: Extracting # 1 : cost  0
0.141 * * [simplify]: Extracting # 2 : cost  0
0.141 * * [simplify]: Extracting # 3 : cost  0
0.141 * * [simplify]: Extracting # 4 : cost  0
0.141 * * [simplify]: Extracting # 5 : cost  0
0.141 * * [simplify]: Extracting # 6 : cost  0
0.141 * * [simplify]: Extracting # 7 : cost  0
0.142 * * [simplify]: Extracting # 8 : cost  0
0.142 * * [simplify]: Extracting # 9 : cost  0
0.142 * * [simplify]: Extracting # 10 : cost  0
0.142 * * [simplify]: iteration  0 :  59  enodes  (cost  319 )
0.162 * * [simplify]: Extracting # 0 : cost  0
0.163 * * [simplify]: Extracting # 1 : cost  0
0.163 * * [simplify]: Extracting # 2 : cost  0
0.163 * * [simplify]: Extracting # 3 : cost  0
0.163 * * [simplify]: Extracting # 4 : cost  0
0.164 * * [simplify]: iteration  1 :  140  enodes  (cost  294 )
0.217 * * [simplify]: Extracting # 0 : cost  0
0.217 * * [simplify]: Extracting # 1 : cost  0
0.218 * * [simplify]: Extracting # 2 : cost  0
0.218 * * [simplify]: Extracting # 3 : cost  0
0.218 * * [simplify]: Extracting # 4 : cost  0
0.219 * * [simplify]: iteration  2 :  347  enodes  (cost  258 )
0.378 * * [simplify]: Extracting # 0 : cost  0
0.379 * * [simplify]: Extracting # 1 : cost  0
0.380 * * [simplify]: Extracting # 2 : cost  0
0.380 * * [simplify]: Extracting # 3 : cost  0
0.381 * * [simplify]: Extracting # 4 : cost  0
0.382 * * [simplify]: iteration  3 :  826  enodes  (cost  255 )
0.819 * * [simplify]: Extracting # 0 : cost  0
0.821 * * [simplify]: Extracting # 1 : cost  0
0.823 * * [simplify]: Extracting # 2 : cost  0
0.824 * * [simplify]: Extracting # 3 : cost  0
0.825 * * [simplify]: Extracting # 4 : cost  0
0.827 * * [simplify]: iteration  4 :  2004  enodes  (cost  254 )
2.156 * * [simplify]: Extracting # 0 : cost  0
2.160 * * [simplify]: Extracting # 1 : cost  0
2.163 * * [simplify]: Extracting # 2 : cost  0
2.165 * * [simplify]: Extracting # 3 : cost  0
2.168 * * [simplify]: Extracting # 4 : cost  0
2.170 * * [simplify]: Extracting # 5 : cost  0
2.173 * * [simplify]: iteration  5 :  4212  enodes  (cost  254 )
3.635 * * [simplify]: Extracting # 0 : cost  0
3.653 * * [simplify]: Extracting # 1 : cost  0
3.658 * * [simplify]: Extracting # 2 : cost  0
3.664 * * [simplify]: Extracting # 3 : cost  0
3.669 * * [simplify]: Extracting # 4 : cost  0
3.674 * * [simplify]: iteration done:  5000  enodes  (cost  254 )
3.675 * [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))
3.675 * * * [progress]: adding candidates to table
3.769 * * [progress]: iteration 2 / 4
3.769 * * * [progress]: picking best candidate
3.771 * * * * [pick]: Picked  #<alt (λ (x y) (- (* (/ y x) -1/2) x))>
3.772 * * * [progress]: localizing error
3.777 * * * [progress]: generating rewritten candidates
3.777 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
3.802 * * * [progress]: generating series expansions
3.802 * * * * [progress]: [ 1 / 1 ] generating series at (2)
3.802 * [backup-simplify]: Simplify (- (* (/ y x) -1/2) x) into (- (+ x (* 1/2 (/ y x))))
3.802 * [approximate]: Taking taylor expansion of (- (+ x (* 1/2 (/ y x)))) in (y x) around 0
3.802 * [taylor]: Taking taylor expansion of (- (+ x (* 1/2 (/ y x)))) in x
3.802 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in x
3.802 * [taylor]: Taking taylor expansion of x in x
3.802 * [backup-simplify]: Simplify 0 into 0
3.802 * [backup-simplify]: Simplify 1 into 1
3.802 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
3.802 * [taylor]: Taking taylor expansion of 1/2 in x
3.802 * [backup-simplify]: Simplify 1/2 into 1/2
3.802 * [taylor]: Taking taylor expansion of (/ y x) in x
3.802 * [taylor]: Taking taylor expansion of y in x
3.802 * [backup-simplify]: Simplify y into y
3.802 * [taylor]: Taking taylor expansion of x in x
3.802 * [backup-simplify]: Simplify 0 into 0
3.802 * [backup-simplify]: Simplify 1 into 1
3.803 * [backup-simplify]: Simplify (/ y 1) into y
3.803 * [taylor]: Taking taylor expansion of (- (+ x (* 1/2 (/ y x)))) in y
3.803 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in y
3.803 * [taylor]: Taking taylor expansion of x in y
3.803 * [backup-simplify]: Simplify x into x
3.803 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
3.803 * [taylor]: Taking taylor expansion of 1/2 in y
3.803 * [backup-simplify]: Simplify 1/2 into 1/2
3.803 * [taylor]: Taking taylor expansion of (/ y x) in y
3.803 * [taylor]: Taking taylor expansion of y in y
3.803 * [backup-simplify]: Simplify 0 into 0
3.803 * [backup-simplify]: Simplify 1 into 1
3.803 * [taylor]: Taking taylor expansion of x in y
3.803 * [backup-simplify]: Simplify x into x
3.803 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
3.803 * [taylor]: Taking taylor expansion of (- (+ x (* 1/2 (/ y x)))) in y
3.803 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in y
3.803 * [taylor]: Taking taylor expansion of x in y
3.803 * [backup-simplify]: Simplify x into x
3.803 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
3.803 * [taylor]: Taking taylor expansion of 1/2 in y
3.803 * [backup-simplify]: Simplify 1/2 into 1/2
3.803 * [taylor]: Taking taylor expansion of (/ y x) in y
3.803 * [taylor]: Taking taylor expansion of y in y
3.803 * [backup-simplify]: Simplify 0 into 0
3.803 * [backup-simplify]: Simplify 1 into 1
3.803 * [taylor]: Taking taylor expansion of x in y
3.803 * [backup-simplify]: Simplify x into x
3.803 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
3.803 * [backup-simplify]: Simplify (+ x 0) into x
3.803 * [backup-simplify]: Simplify (- x) into (- x)
3.804 * [taylor]: Taking taylor expansion of (- x) in x
3.804 * [taylor]: Taking taylor expansion of x in x
3.804 * [backup-simplify]: Simplify 0 into 0
3.804 * [backup-simplify]: Simplify 1 into 1
3.804 * [backup-simplify]: Simplify (* 1/2 (/ 1 x)) into (/ 1/2 x)
3.804 * [backup-simplify]: Simplify (+ 0 (/ 1/2 x)) into (* 1/2 (/ 1 x))
3.804 * [backup-simplify]: Simplify (- (* 1/2 (/ 1 x))) into (- (* 1/2 (/ 1 x)))
3.804 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ 1 x))) in x
3.804 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 x)) in x
3.804 * [taylor]: Taking taylor expansion of 1/2 in x
3.804 * [backup-simplify]: Simplify 1/2 into 1/2
3.804 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.804 * [taylor]: Taking taylor expansion of x in x
3.804 * [backup-simplify]: Simplify 0 into 0
3.804 * [backup-simplify]: Simplify 1 into 1
3.805 * [backup-simplify]: Simplify (/ 1 1) into 1
3.805 * [backup-simplify]: Simplify (* 1/2 1) into 1/2
3.806 * [backup-simplify]: Simplify (- 1/2) into -1/2
3.806 * [backup-simplify]: Simplify -1/2 into -1/2
3.806 * [backup-simplify]: Simplify (- 0) into 0
3.806 * [backup-simplify]: Simplify 0 into 0
3.806 * [backup-simplify]: Simplify (- (/ 0 x) (+ (* (/ 1 x) (/ 0 x)))) into 0
3.807 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 (/ 1 x))) into 0
3.807 * [backup-simplify]: Simplify (+ 0 0) into 0
3.808 * [backup-simplify]: Simplify (- 0) into 0
3.808 * [taylor]: Taking taylor expansion of 0 in x
3.808 * [backup-simplify]: Simplify 0 into 0
3.808 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.809 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 1)) into 0
3.809 * [backup-simplify]: Simplify (- 0) into 0
3.809 * [backup-simplify]: Simplify 0 into 0
3.810 * [backup-simplify]: Simplify (- 1) into -1
3.810 * [backup-simplify]: Simplify -1 into -1
3.810 * [backup-simplify]: Simplify (- (/ 0 x) (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
3.811 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (/ 1 x)))) into 0
3.811 * [backup-simplify]: Simplify (+ 0 0) into 0
3.811 * [backup-simplify]: Simplify (- 0) into 0
3.811 * [taylor]: Taking taylor expansion of 0 in x
3.811 * [backup-simplify]: Simplify 0 into 0
3.812 * [backup-simplify]: Simplify 0 into 0
3.812 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.813 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 1))) into 0
3.814 * [backup-simplify]: Simplify (- 0) into 0
3.814 * [backup-simplify]: Simplify 0 into 0
3.814 * [backup-simplify]: Simplify (- 0) into 0
3.814 * [backup-simplify]: Simplify 0 into 0
3.814 * [backup-simplify]: Simplify (- (/ 0 x) (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)) (* 0 (/ 0 x)))) into 0
3.815 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 x))))) into 0
3.816 * [backup-simplify]: Simplify (+ 0 0) into 0
3.816 * [backup-simplify]: Simplify (- 0) into 0
3.816 * [taylor]: Taking taylor expansion of 0 in x
3.816 * [backup-simplify]: Simplify 0 into 0
3.816 * [backup-simplify]: Simplify 0 into 0
3.816 * [backup-simplify]: Simplify 0 into 0
3.817 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.818 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.818 * [backup-simplify]: Simplify (- 0) into 0
3.818 * [backup-simplify]: Simplify 0 into 0
3.818 * [backup-simplify]: Simplify (+ (* -1 (* x 1)) (* -1/2 (* (/ 1 x) y))) into (- (+ x (* 1/2 (/ y x))))
3.819 * [backup-simplify]: Simplify (- (* (/ (/ 1 y) (/ 1 x)) -1/2) (/ 1 x)) into (- (+ (* 1/2 (/ x y)) (/ 1 x)))
3.819 * [approximate]: Taking taylor expansion of (- (+ (* 1/2 (/ x y)) (/ 1 x))) in (y x) around 0
3.819 * [taylor]: Taking taylor expansion of (- (+ (* 1/2 (/ x y)) (/ 1 x))) in x
3.819 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in x
3.819 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
3.819 * [taylor]: Taking taylor expansion of 1/2 in x
3.819 * [backup-simplify]: Simplify 1/2 into 1/2
3.819 * [taylor]: Taking taylor expansion of (/ x y) in x
3.819 * [taylor]: Taking taylor expansion of x in x
3.819 * [backup-simplify]: Simplify 0 into 0
3.819 * [backup-simplify]: Simplify 1 into 1
3.819 * [taylor]: Taking taylor expansion of y in x
3.819 * [backup-simplify]: Simplify y into y
3.819 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.819 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.819 * [taylor]: Taking taylor expansion of x in x
3.819 * [backup-simplify]: Simplify 0 into 0
3.819 * [backup-simplify]: Simplify 1 into 1
3.820 * [backup-simplify]: Simplify (/ 1 1) into 1
3.820 * [taylor]: Taking taylor expansion of (- (+ (* 1/2 (/ x y)) (/ 1 x))) in y
3.820 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in y
3.820 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
3.820 * [taylor]: Taking taylor expansion of 1/2 in y
3.820 * [backup-simplify]: Simplify 1/2 into 1/2
3.820 * [taylor]: Taking taylor expansion of (/ x y) in y
3.820 * [taylor]: Taking taylor expansion of x in y
3.820 * [backup-simplify]: Simplify x into x
3.820 * [taylor]: Taking taylor expansion of y in y
3.820 * [backup-simplify]: Simplify 0 into 0
3.820 * [backup-simplify]: Simplify 1 into 1
3.820 * [backup-simplify]: Simplify (/ x 1) into x
3.820 * [taylor]: Taking taylor expansion of (/ 1 x) in y
3.820 * [taylor]: Taking taylor expansion of x in y
3.820 * [backup-simplify]: Simplify x into x
3.820 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
3.820 * [taylor]: Taking taylor expansion of (- (+ (* 1/2 (/ x y)) (/ 1 x))) in y
3.820 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in y
3.820 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
3.820 * [taylor]: Taking taylor expansion of 1/2 in y
3.820 * [backup-simplify]: Simplify 1/2 into 1/2
3.820 * [taylor]: Taking taylor expansion of (/ x y) in y
3.820 * [taylor]: Taking taylor expansion of x in y
3.820 * [backup-simplify]: Simplify x into x
3.820 * [taylor]: Taking taylor expansion of y in y
3.820 * [backup-simplify]: Simplify 0 into 0
3.820 * [backup-simplify]: Simplify 1 into 1
3.820 * [backup-simplify]: Simplify (/ x 1) into x
3.820 * [taylor]: Taking taylor expansion of (/ 1 x) in y
3.820 * [taylor]: Taking taylor expansion of x in y
3.820 * [backup-simplify]: Simplify x into x
3.820 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
3.821 * [backup-simplify]: Simplify (* 1/2 x) into (* 1/2 x)
3.821 * [backup-simplify]: Simplify (+ (* 1/2 x) 0) into (* 1/2 x)
3.821 * [backup-simplify]: Simplify (- (* 1/2 x)) into (- (* 1/2 x))
3.821 * [taylor]: Taking taylor expansion of (- (* 1/2 x)) in x
3.821 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
3.821 * [taylor]: Taking taylor expansion of 1/2 in x
3.821 * [backup-simplify]: Simplify 1/2 into 1/2
3.821 * [taylor]: Taking taylor expansion of x in x
3.821 * [backup-simplify]: Simplify 0 into 0
3.821 * [backup-simplify]: Simplify 1 into 1
3.822 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)))) into 0
3.822 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 x)) into 0
3.822 * [backup-simplify]: Simplify (+ 0 (/ 1 x)) into (/ 1 x)
3.822 * [backup-simplify]: Simplify (- (/ 1 x)) into (- (/ 1 x))
3.822 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
3.822 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.822 * [taylor]: Taking taylor expansion of x in x
3.822 * [backup-simplify]: Simplify 0 into 0
3.822 * [backup-simplify]: Simplify 1 into 1
3.823 * [backup-simplify]: Simplify (/ 1 1) into 1
3.823 * [backup-simplify]: Simplify (- 1) into -1
3.823 * [backup-simplify]: Simplify -1 into -1
3.824 * [backup-simplify]: Simplify (* 1/2 0) into 0
3.824 * [backup-simplify]: Simplify (- 0) into 0
3.824 * [backup-simplify]: Simplify 0 into 0
3.826 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.827 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 x))) into 0
3.827 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)))) into 0
3.828 * [backup-simplify]: Simplify (+ 0 0) into 0
3.828 * [backup-simplify]: Simplify (- 0) into 0
3.828 * [taylor]: Taking taylor expansion of 0 in x
3.828 * [backup-simplify]: Simplify 0 into 0
3.829 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.829 * [backup-simplify]: Simplify (- 0) into 0
3.829 * [backup-simplify]: Simplify 0 into 0
3.830 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 0)) into 1/2
3.831 * [backup-simplify]: Simplify (- 1/2) into -1/2
3.831 * [backup-simplify]: Simplify -1/2 into -1/2
3.832 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.833 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 x)))) into 0
3.834 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
3.834 * [backup-simplify]: Simplify (+ 0 0) into 0
3.834 * [backup-simplify]: Simplify (- 0) into 0
3.834 * [taylor]: Taking taylor expansion of 0 in x
3.834 * [backup-simplify]: Simplify 0 into 0
3.834 * [backup-simplify]: Simplify 0 into 0
3.835 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.835 * [backup-simplify]: Simplify (- 0) into 0
3.835 * [backup-simplify]: Simplify 0 into 0
3.836 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 0))) into 0
3.837 * [backup-simplify]: Simplify (- 0) into 0
3.837 * [backup-simplify]: Simplify 0 into 0
3.839 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.840 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 x))))) into 0
3.840 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)) (* 0 (/ 0 x)))) into 0
3.840 * [backup-simplify]: Simplify (+ 0 0) into 0
3.841 * [backup-simplify]: Simplify (- 0) into 0
3.841 * [taylor]: Taking taylor expansion of 0 in x
3.841 * [backup-simplify]: Simplify 0 into 0
3.841 * [backup-simplify]: Simplify 0 into 0
3.841 * [backup-simplify]: Simplify 0 into 0
3.842 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.842 * [backup-simplify]: Simplify (- 0) into 0
3.842 * [backup-simplify]: Simplify 0 into 0
3.842 * [backup-simplify]: Simplify (+ (* -1/2 (* (/ 1 x) (/ 1 (/ 1 y)))) (* -1 (* (/ 1 (/ 1 x)) 1))) into (- (+ x (* 1/2 (/ y x))))
3.842 * [backup-simplify]: Simplify (- (* (/ (/ 1 (- y)) (/ 1 (- x))) -1/2) (/ 1 (- x))) into (- (/ 1 x) (* 1/2 (/ x y)))
3.843 * [approximate]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in (y x) around 0
3.843 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in x
3.843 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.843 * [taylor]: Taking taylor expansion of x in x
3.843 * [backup-simplify]: Simplify 0 into 0
3.843 * [backup-simplify]: Simplify 1 into 1
3.843 * [backup-simplify]: Simplify (/ 1 1) into 1
3.843 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
3.843 * [taylor]: Taking taylor expansion of 1/2 in x
3.843 * [backup-simplify]: Simplify 1/2 into 1/2
3.843 * [taylor]: Taking taylor expansion of (/ x y) in x
3.843 * [taylor]: Taking taylor expansion of x in x
3.843 * [backup-simplify]: Simplify 0 into 0
3.843 * [backup-simplify]: Simplify 1 into 1
3.843 * [taylor]: Taking taylor expansion of y in x
3.843 * [backup-simplify]: Simplify y into y
3.843 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.843 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in y
3.843 * [taylor]: Taking taylor expansion of (/ 1 x) in y
3.843 * [taylor]: Taking taylor expansion of x in y
3.843 * [backup-simplify]: Simplify x into x
3.843 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
3.843 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
3.843 * [taylor]: Taking taylor expansion of 1/2 in y
3.843 * [backup-simplify]: Simplify 1/2 into 1/2
3.844 * [taylor]: Taking taylor expansion of (/ x y) in y
3.844 * [taylor]: Taking taylor expansion of x in y
3.844 * [backup-simplify]: Simplify x into x
3.844 * [taylor]: Taking taylor expansion of y in y
3.844 * [backup-simplify]: Simplify 0 into 0
3.844 * [backup-simplify]: Simplify 1 into 1
3.844 * [backup-simplify]: Simplify (/ x 1) into x
3.844 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in y
3.844 * [taylor]: Taking taylor expansion of (/ 1 x) in y
3.844 * [taylor]: Taking taylor expansion of x in y
3.844 * [backup-simplify]: Simplify x into x
3.844 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
3.844 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
3.844 * [taylor]: Taking taylor expansion of 1/2 in y
3.844 * [backup-simplify]: Simplify 1/2 into 1/2
3.844 * [taylor]: Taking taylor expansion of (/ x y) in y
3.844 * [taylor]: Taking taylor expansion of x in y
3.844 * [backup-simplify]: Simplify x into x
3.844 * [taylor]: Taking taylor expansion of y in y
3.844 * [backup-simplify]: Simplify 0 into 0
3.844 * [backup-simplify]: Simplify 1 into 1
3.844 * [backup-simplify]: Simplify (/ x 1) into x
3.844 * [backup-simplify]: Simplify (* 1/2 x) into (* 1/2 x)
3.844 * [backup-simplify]: Simplify (- (* 1/2 x)) into (- (* 1/2 x))
3.844 * [backup-simplify]: Simplify (+ 0 (- (* 1/2 x))) into (- (* 1/2 x))
3.844 * [taylor]: Taking taylor expansion of (- (* 1/2 x)) in x
3.844 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
3.844 * [taylor]: Taking taylor expansion of 1/2 in x
3.844 * [backup-simplify]: Simplify 1/2 into 1/2
3.845 * [taylor]: Taking taylor expansion of x in x
3.845 * [backup-simplify]: Simplify 0 into 0
3.845 * [backup-simplify]: Simplify 1 into 1
3.845 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)))) into 0
3.846 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 x)) into 0
3.846 * [backup-simplify]: Simplify (- 0) into 0
3.846 * [backup-simplify]: Simplify (+ (/ 1 x) 0) into (/ 1 x)
3.846 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.846 * [taylor]: Taking taylor expansion of x in x
3.846 * [backup-simplify]: Simplify 0 into 0
3.846 * [backup-simplify]: Simplify 1 into 1
3.847 * [backup-simplify]: Simplify (/ 1 1) into 1
3.847 * [backup-simplify]: Simplify 1 into 1
3.847 * [backup-simplify]: Simplify (* 1/2 0) into 0
3.847 * [backup-simplify]: Simplify (- 0) into 0
3.847 * [backup-simplify]: Simplify 0 into 0
3.847 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)))) into 0
3.849 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.850 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 x))) into 0
3.850 * [backup-simplify]: Simplify (- 0) into 0
3.850 * [backup-simplify]: Simplify (+ 0 0) into 0
3.850 * [taylor]: Taking taylor expansion of 0 in x
3.850 * [backup-simplify]: Simplify 0 into 0
3.851 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.851 * [backup-simplify]: Simplify 0 into 0
3.852 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 0)) into 1/2
3.852 * [backup-simplify]: Simplify (- 1/2) into -1/2
3.852 * [backup-simplify]: Simplify -1/2 into -1/2
3.852 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
3.854 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.855 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 x)))) into 0
3.855 * [backup-simplify]: Simplify (- 0) into 0
3.855 * [backup-simplify]: Simplify (+ 0 0) into 0
3.855 * [taylor]: Taking taylor expansion of 0 in x
3.855 * [backup-simplify]: Simplify 0 into 0
3.855 * [backup-simplify]: Simplify 0 into 0
3.856 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.856 * [backup-simplify]: Simplify 0 into 0
3.857 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 0))) into 0
3.857 * [backup-simplify]: Simplify (- 0) into 0
3.857 * [backup-simplify]: Simplify 0 into 0
3.858 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)) (* 0 (/ 0 x)))) into 0
3.860 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.861 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 x))))) into 0
3.861 * [backup-simplify]: Simplify (- 0) into 0
3.862 * [backup-simplify]: Simplify (+ 0 0) into 0
3.862 * [taylor]: Taking taylor expansion of 0 in x
3.862 * [backup-simplify]: Simplify 0 into 0
3.862 * [backup-simplify]: Simplify 0 into 0
3.862 * [backup-simplify]: Simplify 0 into 0
3.862 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.862 * [backup-simplify]: Simplify 0 into 0
3.863 * [backup-simplify]: Simplify (+ (* -1/2 (* (/ 1 (- x)) (/ 1 (/ 1 (- y))))) (* 1 (* (/ 1 (/ 1 (- x))) 1))) into (- (+ x (* 1/2 (/ y x))))
3.863 * * * [progress]: simplifying candidates
3.863 * [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))))
3.864 * * [simplify]: Extracting # 0 : cost  0
3.864 * * [simplify]: Extracting # 1 : cost  0
3.864 * * [simplify]: Extracting # 2 : cost  0
3.864 * * [simplify]: Extracting # 3 : cost  0
3.864 * * [simplify]: Extracting # 4 : cost  0
3.864 * * [simplify]: Extracting # 5 : cost  0
3.864 * * [simplify]: Extracting # 6 : cost  0
3.864 * * [simplify]: Extracting # 7 : cost  0
3.864 * * [simplify]: iteration  0 :  32  enodes  (cost  173 )
3.875 * * [simplify]: Extracting # 0 : cost  0
3.875 * * [simplify]: Extracting # 1 : cost  0
3.875 * * [simplify]: Extracting # 2 : cost  0
3.875 * * [simplify]: Extracting # 3 : cost  0
3.875 * * [simplify]: iteration  1 :  82  enodes  (cost  166 )
3.909 * * [simplify]: Extracting # 0 : cost  0
3.909 * * [simplify]: Extracting # 1 : cost  0
3.909 * * [simplify]: Extracting # 2 : cost  0
3.909 * * [simplify]: Extracting # 3 : cost  0
3.909 * * [simplify]: Extracting # 4 : cost  0
3.910 * * [simplify]: iteration  2 :  227  enodes  (cost  149 )
4.068 * * [simplify]: Extracting # 0 : cost  0
4.069 * * [simplify]: Extracting # 1 : cost  0
4.070 * * [simplify]: Extracting # 2 : cost  0
4.071 * * [simplify]: Extracting # 3 : cost  0
4.072 * * [simplify]: Extracting # 4 : cost  0
4.072 * * [simplify]: Extracting # 5 : cost  0
4.073 * * [simplify]: Extracting # 6 : cost  0
4.074 * * [simplify]: iteration  3 :  841  enodes  (cost  147 )
5.218 * * [simplify]: Extracting # 0 : cost  0
5.227 * * [simplify]: Extracting # 1 : cost  0
5.231 * * [simplify]: Extracting # 2 : cost  0
5.234 * * [simplify]: Extracting # 3 : cost  0
5.238 * * [simplify]: Extracting # 4 : cost  0
5.241 * * [simplify]: iteration  4 :  3605  enodes  (cost  147 )
6.515 * * [simplify]: Extracting # 0 : cost  0
6.520 * * [simplify]: Extracting # 1 : cost  0
6.529 * * [simplify]: Extracting # 2 : cost  0
6.535 * * [simplify]: iteration done:  5000  enodes  (cost  147 )
6.535 * [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)
6.535 * * * [progress]: adding candidates to table
6.558 * * [progress]: iteration 3 / 4
6.558 * * * [progress]: picking best candidate
6.559 * * * * [pick]: Picked  #<alt (λ (x y) (+ x (* 1/2 (/ y x))))>
6.560 * * * [progress]: localizing error
6.565 * * * [progress]: generating rewritten candidates
6.565 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
6.572 * * * [progress]: generating series expansions
6.572 * * * * [progress]: [ 1 / 1 ] generating series at (2)
6.572 * [backup-simplify]: Simplify (+ x (* 1/2 (/ y x))) into (+ x (* 1/2 (/ y x)))
6.572 * [approximate]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in (x y) around 0
6.572 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in y
6.572 * [taylor]: Taking taylor expansion of x in y
6.572 * [backup-simplify]: Simplify x into x
6.572 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
6.572 * [taylor]: Taking taylor expansion of 1/2 in y
6.572 * [backup-simplify]: Simplify 1/2 into 1/2
6.572 * [taylor]: Taking taylor expansion of (/ y x) in y
6.572 * [taylor]: Taking taylor expansion of y in y
6.572 * [backup-simplify]: Simplify 0 into 0
6.572 * [backup-simplify]: Simplify 1 into 1
6.572 * [taylor]: Taking taylor expansion of x in y
6.572 * [backup-simplify]: Simplify x into x
6.572 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
6.572 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in x
6.572 * [taylor]: Taking taylor expansion of x in x
6.572 * [backup-simplify]: Simplify 0 into 0
6.572 * [backup-simplify]: Simplify 1 into 1
6.572 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
6.572 * [taylor]: Taking taylor expansion of 1/2 in x
6.572 * [backup-simplify]: Simplify 1/2 into 1/2
6.572 * [taylor]: Taking taylor expansion of (/ y x) in x
6.572 * [taylor]: Taking taylor expansion of y in x
6.572 * [backup-simplify]: Simplify y into y
6.572 * [taylor]: Taking taylor expansion of x in x
6.572 * [backup-simplify]: Simplify 0 into 0
6.572 * [backup-simplify]: Simplify 1 into 1
6.572 * [backup-simplify]: Simplify (/ y 1) into y
6.572 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in x
6.572 * [taylor]: Taking taylor expansion of x in x
6.572 * [backup-simplify]: Simplify 0 into 0
6.572 * [backup-simplify]: Simplify 1 into 1
6.572 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
6.573 * [taylor]: Taking taylor expansion of 1/2 in x
6.573 * [backup-simplify]: Simplify 1/2 into 1/2
6.573 * [taylor]: Taking taylor expansion of (/ y x) in x
6.573 * [taylor]: Taking taylor expansion of y in x
6.573 * [backup-simplify]: Simplify y into y
6.573 * [taylor]: Taking taylor expansion of x in x
6.573 * [backup-simplify]: Simplify 0 into 0
6.573 * [backup-simplify]: Simplify 1 into 1
6.573 * [backup-simplify]: Simplify (/ y 1) into y
6.573 * [backup-simplify]: Simplify (* 1/2 y) into (* 1/2 y)
6.573 * [backup-simplify]: Simplify (+ 0 (* 1/2 y)) into (* 1/2 y)
6.573 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
6.573 * [taylor]: Taking taylor expansion of 1/2 in y
6.573 * [backup-simplify]: Simplify 1/2 into 1/2
6.573 * [taylor]: Taking taylor expansion of y in y
6.573 * [backup-simplify]: Simplify 0 into 0
6.573 * [backup-simplify]: Simplify 1 into 1
6.573 * [backup-simplify]: Simplify (* 1/2 0) into 0
6.573 * [backup-simplify]: Simplify 0 into 0
6.574 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* y (/ 0 1)))) into 0
6.574 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 y)) into 0
6.574 * [backup-simplify]: Simplify (+ 0 0) into 0
6.575 * [taylor]: Taking taylor expansion of 0 in y
6.575 * [backup-simplify]: Simplify 0 into 0
6.575 * [backup-simplify]: Simplify 0 into 0
6.575 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 0)) into 1/2
6.575 * [backup-simplify]: Simplify 1/2 into 1/2
6.576 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* y (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.576 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 y))) into 0
6.577 * [backup-simplify]: Simplify (+ 1 0) into 1
6.577 * [taylor]: Taking taylor expansion of 1 in y
6.577 * [backup-simplify]: Simplify 1 into 1
6.577 * [backup-simplify]: Simplify 1 into 1
6.577 * [backup-simplify]: Simplify 0 into 0
6.577 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 0))) into 0
6.577 * [backup-simplify]: Simplify 0 into 0
6.579 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* y (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.579 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
6.580 * [backup-simplify]: Simplify (+ 0 0) into 0
6.580 * [taylor]: Taking taylor expansion of 0 in y
6.580 * [backup-simplify]: Simplify 0 into 0
6.580 * [backup-simplify]: Simplify 0 into 0
6.580 * [backup-simplify]: Simplify 0 into 0
6.580 * [backup-simplify]: Simplify 0 into 0
6.580 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
6.580 * [backup-simplify]: Simplify 0 into 0
6.580 * [backup-simplify]: Simplify (+ (* 1 (* 1 x)) (* 1/2 (* y (/ 1 x)))) into (+ x (* 1/2 (/ y x)))
6.581 * [backup-simplify]: Simplify (+ (/ 1 x) (* 1/2 (/ (/ 1 y) (/ 1 x)))) into (+ (* 1/2 (/ x y)) (/ 1 x))
6.581 * [approximate]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in (x y) around 0
6.581 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in y
6.581 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
6.581 * [taylor]: Taking taylor expansion of 1/2 in y
6.581 * [backup-simplify]: Simplify 1/2 into 1/2
6.581 * [taylor]: Taking taylor expansion of (/ x y) in y
6.581 * [taylor]: Taking taylor expansion of x in y
6.581 * [backup-simplify]: Simplify x into x
6.581 * [taylor]: Taking taylor expansion of y in y
6.581 * [backup-simplify]: Simplify 0 into 0
6.581 * [backup-simplify]: Simplify 1 into 1
6.581 * [backup-simplify]: Simplify (/ x 1) into x
6.581 * [taylor]: Taking taylor expansion of (/ 1 x) in y
6.581 * [taylor]: Taking taylor expansion of x in y
6.581 * [backup-simplify]: Simplify x into x
6.581 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
6.581 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in x
6.581 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
6.581 * [taylor]: Taking taylor expansion of 1/2 in x
6.581 * [backup-simplify]: Simplify 1/2 into 1/2
6.581 * [taylor]: Taking taylor expansion of (/ x y) in x
6.581 * [taylor]: Taking taylor expansion of x in x
6.581 * [backup-simplify]: Simplify 0 into 0
6.581 * [backup-simplify]: Simplify 1 into 1
6.581 * [taylor]: Taking taylor expansion of y in x
6.581 * [backup-simplify]: Simplify y into y
6.581 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
6.581 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.581 * [taylor]: Taking taylor expansion of x in x
6.581 * [backup-simplify]: Simplify 0 into 0
6.581 * [backup-simplify]: Simplify 1 into 1
6.581 * [backup-simplify]: Simplify (/ 1 1) into 1
6.581 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in x
6.581 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
6.581 * [taylor]: Taking taylor expansion of 1/2 in x
6.581 * [backup-simplify]: Simplify 1/2 into 1/2
6.581 * [taylor]: Taking taylor expansion of (/ x y) in x
6.582 * [taylor]: Taking taylor expansion of x in x
6.582 * [backup-simplify]: Simplify 0 into 0
6.582 * [backup-simplify]: Simplify 1 into 1
6.582 * [taylor]: Taking taylor expansion of y in x
6.582 * [backup-simplify]: Simplify y into y
6.582 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
6.582 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.582 * [taylor]: Taking taylor expansion of x in x
6.582 * [backup-simplify]: Simplify 0 into 0
6.582 * [backup-simplify]: Simplify 1 into 1
6.582 * [backup-simplify]: Simplify (/ 1 1) into 1
6.582 * [backup-simplify]: Simplify (+ 0 1) into 1
6.582 * [taylor]: Taking taylor expansion of 1 in y
6.582 * [backup-simplify]: Simplify 1 into 1
6.583 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
6.583 * [backup-simplify]: Simplify (+ 0 0) into 0
6.583 * [taylor]: Taking taylor expansion of 0 in y
6.583 * [backup-simplify]: Simplify 0 into 0
6.583 * [backup-simplify]: Simplify 1 into 1
6.583 * [backup-simplify]: Simplify (* 1/2 (/ 1 y)) into (/ 1/2 y)
6.584 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.584 * [backup-simplify]: Simplify (+ (/ 1/2 y) 0) into (* 1/2 (/ 1 y))
6.584 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
6.584 * [taylor]: Taking taylor expansion of 1/2 in y
6.584 * [backup-simplify]: Simplify 1/2 into 1/2
6.584 * [taylor]: Taking taylor expansion of (/ 1 y) in y
6.584 * [taylor]: Taking taylor expansion of y in y
6.584 * [backup-simplify]: Simplify 0 into 0
6.584 * [backup-simplify]: Simplify 1 into 1
6.584 * [backup-simplify]: Simplify (/ 1 1) into 1
6.584 * [backup-simplify]: Simplify (* 1/2 1) into 1/2
6.584 * [backup-simplify]: Simplify 1/2 into 1/2
6.584 * [backup-simplify]: Simplify 0 into 0
6.584 * [backup-simplify]: Simplify 0 into 0
6.585 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)))) into 0
6.585 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 (/ 1 y))) into 0
6.585 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.586 * [backup-simplify]: Simplify (+ 0 0) into 0
6.586 * [taylor]: Taking taylor expansion of 0 in y
6.586 * [backup-simplify]: Simplify 0 into 0
6.586 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
6.587 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 1)) into 0
6.587 * [backup-simplify]: Simplify 0 into 0
6.587 * [backup-simplify]: Simplify 0 into 0
6.587 * [backup-simplify]: Simplify 0 into 0
6.587 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
6.587 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
6.588 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.588 * [backup-simplify]: Simplify (+ 0 0) into 0
6.588 * [taylor]: Taking taylor expansion of 0 in y
6.588 * [backup-simplify]: Simplify 0 into 0
6.588 * [backup-simplify]: Simplify 0 into 0
6.588 * [backup-simplify]: Simplify (+ (* 1/2 (* (/ 1 (/ 1 y)) (/ 1 x))) (* 1 (* 1 (/ 1 (/ 1 x))))) into (+ x (* 1/2 (/ y x)))
6.588 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (* 1/2 (/ (/ 1 (- y)) (/ 1 (- x))))) into (- (* 1/2 (/ x y)) (/ 1 x))
6.588 * [approximate]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in (x y) around 0
6.588 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in y
6.589 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
6.589 * [taylor]: Taking taylor expansion of 1/2 in y
6.589 * [backup-simplify]: Simplify 1/2 into 1/2
6.589 * [taylor]: Taking taylor expansion of (/ x y) in y
6.589 * [taylor]: Taking taylor expansion of x in y
6.589 * [backup-simplify]: Simplify x into x
6.589 * [taylor]: Taking taylor expansion of y in y
6.589 * [backup-simplify]: Simplify 0 into 0
6.589 * [backup-simplify]: Simplify 1 into 1
6.589 * [backup-simplify]: Simplify (/ x 1) into x
6.589 * [taylor]: Taking taylor expansion of (/ 1 x) in y
6.589 * [taylor]: Taking taylor expansion of x in y
6.589 * [backup-simplify]: Simplify x into x
6.589 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
6.589 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in x
6.589 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
6.589 * [taylor]: Taking taylor expansion of 1/2 in x
6.589 * [backup-simplify]: Simplify 1/2 into 1/2
6.589 * [taylor]: Taking taylor expansion of (/ x y) in x
6.589 * [taylor]: Taking taylor expansion of x in x
6.589 * [backup-simplify]: Simplify 0 into 0
6.589 * [backup-simplify]: Simplify 1 into 1
6.589 * [taylor]: Taking taylor expansion of y in x
6.589 * [backup-simplify]: Simplify y into y
6.589 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
6.589 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.589 * [taylor]: Taking taylor expansion of x in x
6.589 * [backup-simplify]: Simplify 0 into 0
6.589 * [backup-simplify]: Simplify 1 into 1
6.589 * [backup-simplify]: Simplify (/ 1 1) into 1
6.589 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in x
6.589 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
6.589 * [taylor]: Taking taylor expansion of 1/2 in x
6.589 * [backup-simplify]: Simplify 1/2 into 1/2
6.589 * [taylor]: Taking taylor expansion of (/ x y) in x
6.589 * [taylor]: Taking taylor expansion of x in x
6.589 * [backup-simplify]: Simplify 0 into 0
6.589 * [backup-simplify]: Simplify 1 into 1
6.589 * [taylor]: Taking taylor expansion of y in x
6.589 * [backup-simplify]: Simplify y into y
6.589 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
6.589 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.589 * [taylor]: Taking taylor expansion of x in x
6.589 * [backup-simplify]: Simplify 0 into 0
6.590 * [backup-simplify]: Simplify 1 into 1
6.590 * [backup-simplify]: Simplify (/ 1 1) into 1
6.590 * [backup-simplify]: Simplify (- 1) into -1
6.590 * [backup-simplify]: Simplify (+ 0 -1) into -1
6.590 * [taylor]: Taking taylor expansion of -1 in y
6.590 * [backup-simplify]: Simplify -1 into -1
6.591 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
6.591 * [backup-simplify]: Simplify (- 0) into 0
6.591 * [backup-simplify]: Simplify (+ 0 0) into 0
6.591 * [taylor]: Taking taylor expansion of 0 in y
6.591 * [backup-simplify]: Simplify 0 into 0
6.591 * [backup-simplify]: Simplify -1 into -1
6.591 * [backup-simplify]: Simplify (* 1/2 (/ 1 y)) into (/ 1/2 y)
6.592 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.592 * [backup-simplify]: Simplify (- 0) into 0
6.592 * [backup-simplify]: Simplify (+ (/ 1/2 y) 0) into (* 1/2 (/ 1 y))
6.592 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
6.592 * [taylor]: Taking taylor expansion of 1/2 in y
6.592 * [backup-simplify]: Simplify 1/2 into 1/2
6.592 * [taylor]: Taking taylor expansion of (/ 1 y) in y
6.592 * [taylor]: Taking taylor expansion of y in y
6.592 * [backup-simplify]: Simplify 0 into 0
6.592 * [backup-simplify]: Simplify 1 into 1
6.593 * [backup-simplify]: Simplify (/ 1 1) into 1
6.593 * [backup-simplify]: Simplify (* 1/2 1) into 1/2
6.593 * [backup-simplify]: Simplify 1/2 into 1/2
6.593 * [backup-simplify]: Simplify 0 into 0
6.593 * [backup-simplify]: Simplify 0 into 0
6.593 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)))) into 0
6.593 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 (/ 1 y))) into 0
6.594 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.594 * [backup-simplify]: Simplify (- 0) into 0
6.594 * [backup-simplify]: Simplify (+ 0 0) into 0
6.594 * [taylor]: Taking taylor expansion of 0 in y
6.594 * [backup-simplify]: Simplify 0 into 0
6.595 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
6.595 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 1)) into 0
6.595 * [backup-simplify]: Simplify 0 into 0
6.595 * [backup-simplify]: Simplify 0 into 0
6.595 * [backup-simplify]: Simplify 0 into 0
6.595 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
6.596 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
6.597 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.597 * [backup-simplify]: Simplify (- 0) into 0
6.597 * [backup-simplify]: Simplify (+ 0 0) into 0
6.597 * [taylor]: Taking taylor expansion of 0 in y
6.597 * [backup-simplify]: Simplify 0 into 0
6.597 * [backup-simplify]: Simplify 0 into 0
6.597 * [backup-simplify]: Simplify (+ (* 1/2 (* (/ 1 (/ 1 (- y))) (/ 1 (- x)))) (* -1 (* 1 (/ 1 (/ 1 (- x)))))) into (+ x (* 1/2 (/ y x)))
6.597 * * * [progress]: simplifying candidates
6.598 * [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)))
6.598 * * [simplify]: Extracting # 0 : cost  0
6.598 * * [simplify]: Extracting # 1 : cost  0
6.598 * * [simplify]: Extracting # 2 : cost  0
6.598 * * [simplify]: Extracting # 3 : cost  0
6.598 * * [simplify]: Extracting # 4 : cost  0
6.598 * * [simplify]: Extracting # 5 : cost  0
6.598 * * [simplify]: Extracting # 6 : cost  0
6.598 * * [simplify]: iteration  0 :  27  enodes  (cost  166 )
6.613 * * [simplify]: Extracting # 0 : cost  0
6.613 * * [simplify]: Extracting # 1 : cost  0
6.613 * * [simplify]: Extracting # 2 : cost  0
6.614 * * [simplify]: Extracting # 3 : cost  0
6.614 * * [simplify]: iteration  1 :  86  enodes  (cost  157 )
6.649 * * [simplify]: Extracting # 0 : cost  0
6.649 * * [simplify]: Extracting # 1 : cost  0
6.650 * * [simplify]: Extracting # 2 : cost  0
6.650 * * [simplify]: Extracting # 3 : cost  0
6.650 * * [simplify]: Extracting # 4 : cost  0
6.651 * * [simplify]: Extracting # 5 : cost  0
6.651 * * [simplify]: iteration  2 :  294  enodes  (cost  143 )
6.835 * * [simplify]: Extracting # 0 : cost  0
6.836 * * [simplify]: Extracting # 1 : cost  0
6.837 * * [simplify]: Extracting # 2 : cost  0
6.838 * * [simplify]: Extracting # 3 : cost  0
6.839 * * [simplify]: Extracting # 4 : cost  0
6.840 * * [simplify]: iteration  3 :  964  enodes  (cost  143 )
7.715 * * [simplify]: Extracting # 0 : cost  0
7.719 * * [simplify]: Extracting # 1 : cost  0
7.721 * * [simplify]: Extracting # 2 : cost  0
7.724 * * [simplify]: Extracting # 3 : cost  0
7.726 * * [simplify]: Extracting # 4 : cost  0
7.729 * * [simplify]: iteration  4 :  3062  enodes  (cost  143 )
9.109 * * [simplify]: Extracting # 0 : cost  0
9.114 * * [simplify]: Extracting # 1 : cost  0
9.119 * * [simplify]: Extracting # 2 : cost  0
9.126 * * [simplify]: Extracting # 3 : cost  0
9.131 * * [simplify]: Extracting # 4 : cost  0
9.135 * * [simplify]: iteration done:  5000  enodes  (cost  143 )
9.136 * [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)))
9.136 * * * [progress]: adding candidates to table
9.161 * [progress]: [Phase 3 of 3] Extracting.
9.162 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (- (* (/ y x) -1/2) x))> #<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))>)
9.162 * * * [regime-changes]: Trying 5 branch expressions: ((* x x) (+ (* x x) y) (sqrt (+ (* x x) y)) y x)
9.162 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (- (* (/ y x) -1/2) x))> #<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))>)
9.177 * * * * [regimes]: Trying to branch on (+ (* x x) y) from (#<alt (λ (x y) (- (* (/ y x) -1/2) x))> #<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))>)
9.196 * * * * [regimes]: Trying to branch on (sqrt (+ (* x x) y)) from (#<alt (λ (x y) (- (* (/ y x) -1/2) x))> #<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))>)
9.215 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (- (* (/ y x) -1/2) x))> #<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))>)
9.244 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (- (* (/ y x) -1/2) x))> #<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))>)
9.268 * * * [regime]: Found split indices: #<option (#s(si 0 43) #s(si 2 198) #s(si 1 255))>
9.268 * [binary-search]: Improving bounds with binary search for x and (#<alt (λ (x y) (- (* (/ y x) -1/2) x))> #<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))>)
9.318 * [regimes]: Found splitpoints: (#s(sp 0 x -1.3303999492099964e+154) #s(sp 2 x 6.063771965228405e+84) #s(sp 1 x +nan.0)) , with alts (#<alt (λ (x y) (- (* (/ y x) -1/2) x))> #<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))>)
9.319 * [simplify]: Simplifying:
  (if (<= x -1.3303999492099964e+154) (- (* (/ y x) -1/2) x) (if (<= x 6.063771965228405e+84) (sqrt (+ (* x x) y)) (+ x (* 1/2 (/ y x)))))
9.319 * * [simplify]: Extracting # 0 : cost  0
9.319 * * [simplify]: Extracting # 1 : cost  0
9.319 * * [simplify]: Extracting # 2 : cost  0
9.319 * * [simplify]: Extracting # 3 : cost  0
9.319 * * [simplify]: Extracting # 4 : cost  0
9.319 * * [simplify]: Extracting # 5 : cost  0
9.319 * * [simplify]: Extracting # 6 : cost  0
9.319 * * [simplify]: Extracting # 7 : cost  0
9.319 * * [simplify]: iteration  0 :  18  enodes  (cost  28 )
9.320 * * [simplify]: Extracting # 0 : cost  0
9.320 * * [simplify]: iteration  1 :  22  enodes  (cost  28 )
9.321 * * [simplify]: Extracting # 0 : cost  0
9.321 * * [simplify]: iteration done:  22  enodes  (cost  28 )
9.321 * [simplify]: Simplified to:
  (if (<= x -1.3303999492099964e+154) (- (* (/ y x) -1/2) x) (if (<= x 6.063771965228405e+84) (sqrt (+ (* x x) y)) (+ x (* 1/2 (/ y x)))))
10.243 * [regime-testing]: Baseline error score: 20.93499187398425
10.246 * [regime-testing]: Oracle error score: 0.002750343792974122
10.252 * [regime-testing]: End program error score: 0.26422314913338235
10.300 * [regime-testing]: Target error score: 0.5165771228967615