63.586 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.017 * * * [progress]: [2/2] Setting up program.
0.019 * [progress]: [Phase 2 of 3] Improving.
0.019 * [simplify]: Simplifying:
  (+ x (/ (- y x) 2.0))
0.019 * [simplify]: Sending expressions to egg_math:
 (+ h1 (/ (- h2 h1) h0))
0.028 * * [progress]: iteration 1 / 4
0.028 * * * [progress]: picking best candidate
0.030 * * * * [pick]: Picked  #<alt (λ (x y) (+ x (/ (- y x) 2.0)))>
0.030 * * * [progress]: localizing error
0.038 * * * [progress]: generating rewritten candidates
0.038 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.078 * * * [progress]: generating series expansions
0.078 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.079 * [backup-simplify]: Simplify (+ x (/ (- y x) 2.0)) into (+ (* 0.5 x) (* 0.5 y))
0.079 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in (x y) around 0
0.079 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y
0.079 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.079 * [taylor]: Taking taylor expansion of 0.5 in y
0.079 * [backup-simplify]: Simplify 0.5 into 0.5
0.079 * [taylor]: Taking taylor expansion of x in y
0.079 * [backup-simplify]: Simplify x into x
0.079 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.079 * [taylor]: Taking taylor expansion of 0.5 in y
0.079 * [backup-simplify]: Simplify 0.5 into 0.5
0.079 * [taylor]: Taking taylor expansion of y in y
0.079 * [backup-simplify]: Simplify 0 into 0
0.079 * [backup-simplify]: Simplify 1 into 1
0.079 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
0.079 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.079 * [taylor]: Taking taylor expansion of 0.5 in x
0.079 * [backup-simplify]: Simplify 0.5 into 0.5
0.079 * [taylor]: Taking taylor expansion of x in x
0.079 * [backup-simplify]: Simplify 0 into 0
0.079 * [backup-simplify]: Simplify 1 into 1
0.079 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.079 * [taylor]: Taking taylor expansion of 0.5 in x
0.079 * [backup-simplify]: Simplify 0.5 into 0.5
0.079 * [taylor]: Taking taylor expansion of y in x
0.079 * [backup-simplify]: Simplify y into y
0.079 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
0.079 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.079 * [taylor]: Taking taylor expansion of 0.5 in x
0.079 * [backup-simplify]: Simplify 0.5 into 0.5
0.079 * [taylor]: Taking taylor expansion of x in x
0.079 * [backup-simplify]: Simplify 0 into 0
0.079 * [backup-simplify]: Simplify 1 into 1
0.079 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.080 * [taylor]: Taking taylor expansion of 0.5 in x
0.080 * [backup-simplify]: Simplify 0.5 into 0.5
0.080 * [taylor]: Taking taylor expansion of y in x
0.080 * [backup-simplify]: Simplify y into y
0.080 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.080 * [backup-simplify]: Simplify (* 0.5 y) into (* 0.5 y)
0.080 * [backup-simplify]: Simplify (+ 0 (* 0.5 y)) into (* 0.5 y)
0.081 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.081 * [taylor]: Taking taylor expansion of 0.5 in y
0.081 * [backup-simplify]: Simplify 0.5 into 0.5
0.081 * [taylor]: Taking taylor expansion of y in y
0.081 * [backup-simplify]: Simplify 0 into 0
0.081 * [backup-simplify]: Simplify 1 into 1
0.081 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.081 * [backup-simplify]: Simplify 0 into 0
0.082 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.083 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 y)) into 0
0.083 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.083 * [taylor]: Taking taylor expansion of 0.5 in y
0.083 * [backup-simplify]: Simplify 0.5 into 0.5
0.083 * [backup-simplify]: Simplify 0.5 into 0.5
0.084 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.084 * [backup-simplify]: Simplify 0.5 into 0.5
0.085 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.086 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 y))) into 0
0.086 * [backup-simplify]: Simplify (+ 0 0) into 0
0.086 * [taylor]: Taking taylor expansion of 0 in y
0.086 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify 0 into 0
0.088 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.088 * [backup-simplify]: Simplify 0 into 0
0.088 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.089 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.090 * [backup-simplify]: Simplify (+ 0 0) into 0
0.090 * [taylor]: Taking taylor expansion of 0 in y
0.090 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify (+ (* 0.5 (* y 1)) (* 0.5 (* 1 x))) into (+ (* 0.5 x) (* 0.5 y))
0.090 * [backup-simplify]: Simplify (+ (/ 1 x) (/ (- (/ 1 y) (/ 1 x)) 2.0)) into (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
0.090 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in (x y) around 0
0.090 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y
0.090 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.090 * [taylor]: Taking taylor expansion of 0.5 in y
0.090 * [backup-simplify]: Simplify 0.5 into 0.5
0.090 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.090 * [taylor]: Taking taylor expansion of y in y
0.090 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify 1 into 1
0.091 * [backup-simplify]: Simplify (/ 1 1) into 1
0.091 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.091 * [taylor]: Taking taylor expansion of 0.5 in y
0.091 * [backup-simplify]: Simplify 0.5 into 0.5
0.091 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.091 * [taylor]: Taking taylor expansion of x in y
0.091 * [backup-simplify]: Simplify x into x
0.091 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.091 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x
0.091 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.091 * [taylor]: Taking taylor expansion of 0.5 in x
0.091 * [backup-simplify]: Simplify 0.5 into 0.5
0.091 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.091 * [taylor]: Taking taylor expansion of y in x
0.091 * [backup-simplify]: Simplify y into y
0.091 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.091 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.091 * [taylor]: Taking taylor expansion of 0.5 in x
0.091 * [backup-simplify]: Simplify 0.5 into 0.5
0.091 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.091 * [taylor]: Taking taylor expansion of x in x
0.091 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify 1 into 1
0.091 * [backup-simplify]: Simplify (/ 1 1) into 1
0.091 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x
0.091 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.091 * [taylor]: Taking taylor expansion of 0.5 in x
0.091 * [backup-simplify]: Simplify 0.5 into 0.5
0.091 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.091 * [taylor]: Taking taylor expansion of y in x
0.091 * [backup-simplify]: Simplify y into y
0.091 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.091 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.091 * [taylor]: Taking taylor expansion of 0.5 in x
0.091 * [backup-simplify]: Simplify 0.5 into 0.5
0.091 * [taylor]: Taking taylor expansion of (/ 1 x) 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
0.092 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.092 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5
0.092 * [taylor]: Taking taylor expansion of 0.5 in y
0.092 * [backup-simplify]: Simplify 0.5 into 0.5
0.092 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y)
0.093 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.093 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.093 * [backup-simplify]: Simplify (+ (/ 0.5 y) 0) into (* 0.5 (/ 1 y))
0.093 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.093 * [taylor]: Taking taylor expansion of 0.5 in y
0.093 * [backup-simplify]: Simplify 0.5 into 0.5
0.093 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.093 * [taylor]: Taking taylor expansion of y in y
0.093 * [backup-simplify]: Simplify 0 into 0
0.093 * [backup-simplify]: Simplify 1 into 1
0.094 * [backup-simplify]: Simplify (/ 1 1) into 1
0.094 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.094 * [backup-simplify]: Simplify 0.5 into 0.5
0.094 * [backup-simplify]: Simplify 0.5 into 0.5
0.094 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.094 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0
0.095 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.095 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.096 * [backup-simplify]: Simplify (+ 0 0) into 0
0.096 * [taylor]: Taking taylor expansion of 0 in y
0.096 * [backup-simplify]: Simplify 0 into 0
0.096 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.097 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.097 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
0.098 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.098 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.099 * [backup-simplify]: Simplify (+ 0 0) into 0
0.099 * [taylor]: Taking taylor expansion of 0 in y
0.099 * [backup-simplify]: Simplify 0 into 0
0.099 * [backup-simplify]: Simplify 0 into 0
0.099 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.100 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 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 (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.101 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
0.101 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.102 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.102 * [backup-simplify]: Simplify (+ 0 0) 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 into 0
0.102 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (/ 1 (/ 1 x)))) (* 0.5 (* (/ 1 (/ 1 y)) 1))) into (+ (* 0.5 x) (* 0.5 y))
0.102 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (/ (- (/ 1 (- y)) (/ 1 (- x))) 2.0)) into (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))))
0.103 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in (x y) around 0
0.103 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in y
0.103 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y
0.103 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.103 * [taylor]: Taking taylor expansion of 0.5 in y
0.103 * [backup-simplify]: Simplify 0.5 into 0.5
0.103 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.103 * [taylor]: Taking taylor expansion of y in y
0.103 * [backup-simplify]: Simplify 0 into 0
0.103 * [backup-simplify]: Simplify 1 into 1
0.103 * [backup-simplify]: Simplify (/ 1 1) into 1
0.103 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.103 * [taylor]: Taking taylor expansion of 0.5 in y
0.103 * [backup-simplify]: Simplify 0.5 into 0.5
0.103 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.103 * [taylor]: Taking taylor expansion of x in y
0.103 * [backup-simplify]: Simplify x into x
0.103 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.103 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in x
0.103 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x
0.103 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.103 * [taylor]: Taking taylor expansion of 0.5 in x
0.103 * [backup-simplify]: Simplify 0.5 into 0.5
0.103 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.103 * [taylor]: Taking taylor expansion of y in x
0.103 * [backup-simplify]: Simplify y into y
0.103 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.103 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.103 * [taylor]: Taking taylor expansion of 0.5 in x
0.103 * [backup-simplify]: Simplify 0.5 into 0.5
0.103 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.103 * [taylor]: Taking taylor expansion of x in x
0.103 * [backup-simplify]: Simplify 0 into 0
0.103 * [backup-simplify]: Simplify 1 into 1
0.104 * [backup-simplify]: Simplify (/ 1 1) into 1
0.104 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in x
0.104 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x
0.104 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.104 * [taylor]: Taking taylor expansion of 0.5 in x
0.104 * [backup-simplify]: Simplify 0.5 into 0.5
0.104 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.104 * [taylor]: Taking taylor expansion of y in x
0.104 * [backup-simplify]: Simplify y into y
0.104 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.104 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.104 * [taylor]: Taking taylor expansion of 0.5 in x
0.104 * [backup-simplify]: Simplify 0.5 into 0.5
0.104 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.104 * [taylor]: Taking taylor expansion of x in x
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
0.104 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.105 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5
0.105 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.105 * [taylor]: Taking taylor expansion of (- 0.5) in y
0.105 * [taylor]: Taking taylor expansion of 0.5 in y
0.105 * [backup-simplify]: Simplify 0.5 into 0.5
0.105 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y)
0.105 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.106 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.106 * [backup-simplify]: Simplify (+ (/ 0.5 y) 0) into (* 0.5 (/ 1 y))
0.106 * [backup-simplify]: Simplify (- (* 0.5 (/ 1 y))) into (- (* 0.5 (/ 1 y)))
0.106 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in y
0.106 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.106 * [taylor]: Taking taylor expansion of 0.5 in y
0.106 * [backup-simplify]: Simplify 0.5 into 0.5
0.106 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.106 * [taylor]: Taking taylor expansion of y in y
0.106 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify 1 into 1
0.106 * [backup-simplify]: Simplify (/ 1 1) into 1
0.107 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.107 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.107 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.107 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.108 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.108 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.108 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0
0.109 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.109 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.109 * [backup-simplify]: Simplify (+ 0 0) into 0
0.110 * [backup-simplify]: Simplify (- 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 (- (+ (* 1 (/ 0 1)))) into 0
0.110 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.111 * [backup-simplify]: Simplify (- 0) into 0
0.111 * [backup-simplify]: Simplify 0 into 0
0.111 * [backup-simplify]: Simplify (- 0) into 0
0.111 * [backup-simplify]: Simplify 0 into 0
0.111 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.112 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
0.112 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.113 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.113 * [backup-simplify]: Simplify (+ 0 0) into 0
0.113 * [backup-simplify]: Simplify (- 0) into 0
0.113 * [taylor]: Taking taylor expansion of 0 in y
0.113 * [backup-simplify]: Simplify 0 into 0
0.113 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.114 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.114 * [backup-simplify]: Simplify (- 0) into 0
0.114 * [backup-simplify]: Simplify 0 into 0
0.115 * [backup-simplify]: Simplify (- 0) into 0
0.115 * [backup-simplify]: Simplify 0 into 0
0.115 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.116 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
0.116 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.117 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.117 * [backup-simplify]: Simplify (+ 0 0) into 0
0.117 * [backup-simplify]: Simplify (- 0) into 0
0.117 * [taylor]: Taking taylor expansion of 0 in y
0.117 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (/ 1 (/ 1 (- x))))) (* (- 0.5) (* (/ 1 (/ 1 (- y))) 1))) into (+ (* 0.5 x) (* 0.5 y))
0.118 * * * [progress]: simplifying candidates
0.118 * [simplify]: Simplifying:
  (* (exp x) (exp (/ (- y x) 2.0)))
  (log (+ x (/ (- y x) 2.0)))
  (exp (+ x (/ (- y x) 2.0)))
  (* (cbrt (+ x (/ (- y x) 2.0))) (cbrt (+ x (/ (- y x) 2.0))))
  (cbrt (+ x (/ (- y x) 2.0)))
  (* (* (+ x (/ (- y x) 2.0)) (+ x (/ (- y x) 2.0))) (+ x (/ (- y x) 2.0)))
  (sqrt (+ x (/ (- y x) 2.0)))
  (sqrt (+ x (/ (- y x) 2.0)))
  (+ (pow x 3) (pow (/ (- y x) 2.0) 3))
  (+ (* x x) (- (* (/ (- y x) 2.0) (/ (- y x) 2.0)) (* x (/ (- y x) 2.0))))
  (- (* x x) (* (/ (- y x) 2.0) (/ (- y x) 2.0)))
  (- x (/ (- y x) 2.0))
  (+ x (/ (- y x) 2.0))
  (+ x (/ y 2.0))
  (+ (* 0.5 x) (* 0.5 y))
  (+ (* 0.5 x) (* 0.5 y))
  (+ (* 0.5 x) (* 0.5 y))
0.118 * [simplify]: Sending expressions to egg_math:
 (* (exp h1) (exp (/ (- h2 h1) h0)))
 (log (+ h1 (/ (- h2 h1) h0)))
 (exp (+ h1 (/ (- h2 h1) h0)))
 (* (cbrt (+ h1 (/ (- h2 h1) h0))) (cbrt (+ h1 (/ (- h2 h1) h0))))
 (cbrt (+ h1 (/ (- h2 h1) h0)))
 (* (* (+ h1 (/ (- h2 h1) h0)) (+ h1 (/ (- h2 h1) h0))) (+ h1 (/ (- h2 h1) h0)))
 (sqrt (+ h1 (/ (- h2 h1) h0)))
 (sqrt (+ h1 (/ (- h2 h1) h0)))
 (+ (pow h1 3) (pow (/ (- h2 h1) h0) 3))
 (+ (* h1 h1) (- (* (/ (- h2 h1) h0) (/ (- h2 h1) h0)) (* h1 (/ (- h2 h1) h0))))
 (- (* h1 h1) (* (/ (- h2 h1) h0) (/ (- h2 h1) h0)))
 (- h1 (/ (- h2 h1) h0))
 (+ h1 (/ (- h2 h1) h0))
 (+ h1 (/ h2 h0))
 (+ (* h3 h1) (* h3 h2))
 (+ (* h3 h1) (* h3 h2))
 (+ (* h3 h1) (* h3 h2))
0.199 * * * [progress]: adding candidates to table
0.231 * * [progress]: iteration 2 / 4
0.231 * * * [progress]: picking best candidate
0.232 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (+ x y)))>
0.232 * * * [progress]: localizing error
0.243 * * * [progress]: generating rewritten candidates
0.243 * * * [progress]: generating series expansions
0.243 * * * [progress]: simplifying candidates
0.244 * [simplify]: Simplifying:
  
0.244 * [simplify]: Sending expressions to egg_math:
 
0.245 * * * [progress]: adding candidates to table
0.245 * [progress]: [Phase 3 of 3] Extracting.
0.247 * [simplify]: Simplifying:
  (* 0.5 (+ x y))
0.247 * [simplify]: Sending expressions to egg_math:
 (* h2 (+ h1 h0))
0.897 * [regime-testing]: Baseline error score: 0
0.900 * [regime-testing]: Oracle error score: 0
0.900 * [regime-testing]: End program error score: 0
0.921 * [regime-testing]: Target error score: 0