39.075 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.014 * * * [progress]: [2/2] Setting up program.
0.015 * [progress]: [Phase 2 of 3] Improving.
0.015 * [simplify]: Simplifying:
  (+ x (/ (- y x) 2.0))
0.099 * * [progress]: iteration 1 / 4
0.099 * * * [progress]: picking best candidate
0.100 * * * * [pick]: Picked  #<alt (λ (x y) (+ x (/ (- y x) 2.0)))>
0.100 * * * [progress]: localizing error
0.105 * * * [progress]: generating rewritten candidates
0.105 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.128 * * * [progress]: generating series expansions
0.128 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.128 * [backup-simplify]: Simplify (+ x (/ (- y x) 2.0)) into (+ (* 0.5 x) (* 0.5 y))
0.128 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in (x y) around 0
0.128 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y
0.128 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.128 * [taylor]: Taking taylor expansion of 0.5 in y
0.128 * [backup-simplify]: Simplify 0.5 into 0.5
0.128 * [taylor]: Taking taylor expansion of x in y
0.128 * [backup-simplify]: Simplify x into x
0.128 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.128 * [taylor]: Taking taylor expansion of 0.5 in y
0.128 * [backup-simplify]: Simplify 0.5 into 0.5
0.128 * [taylor]: Taking taylor expansion of y in y
0.128 * [backup-simplify]: Simplify 0 into 0
0.128 * [backup-simplify]: Simplify 1 into 1
0.128 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
0.128 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.128 * [taylor]: Taking taylor expansion of 0.5 in x
0.128 * [backup-simplify]: Simplify 0.5 into 0.5
0.128 * [taylor]: Taking taylor expansion of x in x
0.128 * [backup-simplify]: Simplify 0 into 0
0.129 * [backup-simplify]: Simplify 1 into 1
0.129 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.129 * [taylor]: Taking taylor expansion of 0.5 in x
0.129 * [backup-simplify]: Simplify 0.5 into 0.5
0.129 * [taylor]: Taking taylor expansion of y in x
0.129 * [backup-simplify]: Simplify y into y
0.129 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
0.129 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.129 * [taylor]: Taking taylor expansion of 0.5 in x
0.129 * [backup-simplify]: Simplify 0.5 into 0.5
0.129 * [taylor]: Taking taylor expansion of x in x
0.129 * [backup-simplify]: Simplify 0 into 0
0.129 * [backup-simplify]: Simplify 1 into 1
0.129 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.129 * [taylor]: Taking taylor expansion of 0.5 in x
0.129 * [backup-simplify]: Simplify 0.5 into 0.5
0.129 * [taylor]: Taking taylor expansion of y in x
0.129 * [backup-simplify]: Simplify y into y
0.129 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.129 * [backup-simplify]: Simplify (* 0.5 y) into (* 0.5 y)
0.129 * [backup-simplify]: Simplify (+ 0 (* 0.5 y)) into (* 0.5 y)
0.129 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.129 * [taylor]: Taking taylor expansion of 0.5 in y
0.129 * [backup-simplify]: Simplify 0.5 into 0.5
0.129 * [taylor]: Taking taylor expansion of y in y
0.129 * [backup-simplify]: Simplify 0 into 0
0.129 * [backup-simplify]: Simplify 1 into 1
0.130 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.130 * [backup-simplify]: Simplify 0 into 0
0.131 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.131 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 y)) into 0
0.131 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.131 * [taylor]: Taking taylor expansion of 0.5 in y
0.131 * [backup-simplify]: Simplify 0.5 into 0.5
0.131 * [backup-simplify]: Simplify 0.5 into 0.5
0.132 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.132 * [backup-simplify]: Simplify 0.5 into 0.5
0.133 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.133 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 y))) into 0
0.133 * [backup-simplify]: Simplify (+ 0 0) into 0
0.133 * [taylor]: Taking taylor expansion of 0 in y
0.133 * [backup-simplify]: Simplify 0 into 0
0.133 * [backup-simplify]: Simplify 0 into 0
0.134 * [backup-simplify]: Simplify 0 into 0
0.134 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.134 * [backup-simplify]: Simplify 0 into 0
0.135 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.135 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.136 * [backup-simplify]: Simplify (+ 0 0) into 0
0.136 * [taylor]: Taking taylor expansion of 0 in y
0.136 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify (+ (* 0.5 (* y 1)) (* 0.5 (* 1 x))) into (+ (* 0.5 x) (* 0.5 y))
0.136 * [backup-simplify]: Simplify (+ (/ 1 x) (/ (- (/ 1 y) (/ 1 x)) 2.0)) into (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
0.136 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in (x y) around 0
0.136 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y
0.136 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.136 * [taylor]: Taking taylor expansion of 0.5 in y
0.136 * [backup-simplify]: Simplify 0.5 into 0.5
0.136 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.136 * [taylor]: Taking taylor expansion of y in y
0.136 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify 1 into 1
0.136 * [backup-simplify]: Simplify (/ 1 1) into 1
0.136 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.136 * [taylor]: Taking taylor expansion of 0.5 in y
0.136 * [backup-simplify]: Simplify 0.5 into 0.5
0.136 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.136 * [taylor]: Taking taylor expansion of x in y
0.136 * [backup-simplify]: Simplify x into x
0.137 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.137 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x
0.137 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.137 * [taylor]: Taking taylor expansion of 0.5 in x
0.137 * [backup-simplify]: Simplify 0.5 into 0.5
0.137 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.137 * [taylor]: Taking taylor expansion of y in x
0.137 * [backup-simplify]: Simplify y into y
0.137 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.137 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.137 * [taylor]: Taking taylor expansion of 0.5 in x
0.137 * [backup-simplify]: Simplify 0.5 into 0.5
0.137 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.137 * [taylor]: Taking taylor expansion of x in x
0.137 * [backup-simplify]: Simplify 0 into 0
0.137 * [backup-simplify]: Simplify 1 into 1
0.137 * [backup-simplify]: Simplify (/ 1 1) into 1
0.137 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x
0.137 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.137 * [taylor]: Taking taylor expansion of 0.5 in x
0.137 * [backup-simplify]: Simplify 0.5 into 0.5
0.137 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.137 * [taylor]: Taking taylor expansion of y in x
0.137 * [backup-simplify]: Simplify y into y
0.137 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.137 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.137 * [taylor]: Taking taylor expansion of 0.5 in x
0.137 * [backup-simplify]: Simplify 0.5 into 0.5
0.137 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.137 * [taylor]: Taking taylor expansion of x in x
0.137 * [backup-simplify]: Simplify 0 into 0
0.137 * [backup-simplify]: Simplify 1 into 1
0.138 * [backup-simplify]: Simplify (/ 1 1) into 1
0.138 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.138 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5
0.138 * [taylor]: Taking taylor expansion of 0.5 in y
0.138 * [backup-simplify]: Simplify 0.5 into 0.5
0.138 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y)
0.139 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.139 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.139 * [backup-simplify]: Simplify (+ (/ 0.5 y) 0) into (* 0.5 (/ 1 y))
0.139 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.139 * [taylor]: Taking taylor expansion of 0.5 in y
0.139 * [backup-simplify]: Simplify 0.5 into 0.5
0.139 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.139 * [taylor]: Taking taylor expansion of y in y
0.139 * [backup-simplify]: Simplify 0 into 0
0.139 * [backup-simplify]: Simplify 1 into 1
0.139 * [backup-simplify]: Simplify (/ 1 1) into 1
0.140 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.140 * [backup-simplify]: Simplify 0.5 into 0.5
0.140 * [backup-simplify]: Simplify 0.5 into 0.5
0.140 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.140 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0
0.141 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.141 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.142 * [backup-simplify]: Simplify (+ 0 0) into 0
0.142 * [taylor]: Taking taylor expansion of 0 in y
0.142 * [backup-simplify]: Simplify 0 into 0
0.142 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.143 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.143 * [backup-simplify]: Simplify 0 into 0
0.143 * [backup-simplify]: Simplify 0 into 0
0.143 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.144 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
0.144 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.145 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.146 * [backup-simplify]: Simplify (+ 0 0) into 0
0.146 * [taylor]: Taking taylor expansion of 0 in y
0.146 * [backup-simplify]: Simplify 0 into 0
0.146 * [backup-simplify]: Simplify 0 into 0
0.146 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.147 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.147 * [backup-simplify]: Simplify 0 into 0
0.147 * [backup-simplify]: Simplify 0 into 0
0.147 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.148 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
0.149 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.150 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.150 * [backup-simplify]: Simplify (+ 0 0) into 0
0.150 * [taylor]: Taking taylor expansion of 0 in y
0.150 * [backup-simplify]: Simplify 0 into 0
0.150 * [backup-simplify]: Simplify 0 into 0
0.150 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (/ 1 (/ 1 x)))) (* 0.5 (* (/ 1 (/ 1 y)) 1))) into (+ (* 0.5 x) (* 0.5 y))
0.150 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (/ (- (/ 1 (- y)) (/ 1 (- x))) 2.0)) into (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))))
0.150 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in (x y) around 0
0.150 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in y
0.150 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y
0.150 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.150 * [taylor]: Taking taylor expansion of 0.5 in y
0.151 * [backup-simplify]: Simplify 0.5 into 0.5
0.151 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.151 * [taylor]: Taking taylor expansion of y in y
0.151 * [backup-simplify]: Simplify 0 into 0
0.151 * [backup-simplify]: Simplify 1 into 1
0.151 * [backup-simplify]: Simplify (/ 1 1) into 1
0.151 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.151 * [taylor]: Taking taylor expansion of 0.5 in y
0.151 * [backup-simplify]: Simplify 0.5 into 0.5
0.151 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.151 * [taylor]: Taking taylor expansion of x in y
0.151 * [backup-simplify]: Simplify x into x
0.151 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.151 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in x
0.151 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x
0.151 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.151 * [taylor]: Taking taylor expansion of 0.5 in x
0.151 * [backup-simplify]: Simplify 0.5 into 0.5
0.151 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.151 * [taylor]: Taking taylor expansion of y in x
0.151 * [backup-simplify]: Simplify y into y
0.151 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.151 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.151 * [taylor]: Taking taylor expansion of 0.5 in x
0.151 * [backup-simplify]: Simplify 0.5 into 0.5
0.151 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.151 * [taylor]: Taking taylor expansion of x in x
0.151 * [backup-simplify]: Simplify 0 into 0
0.151 * [backup-simplify]: Simplify 1 into 1
0.151 * [backup-simplify]: Simplify (/ 1 1) into 1
0.152 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in x
0.152 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x
0.152 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.152 * [taylor]: Taking taylor expansion of 0.5 in x
0.152 * [backup-simplify]: Simplify 0.5 into 0.5
0.152 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.152 * [taylor]: Taking taylor expansion of y in x
0.152 * [backup-simplify]: Simplify y into y
0.152 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.152 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.152 * [taylor]: Taking taylor expansion of 0.5 in x
0.152 * [backup-simplify]: Simplify 0.5 into 0.5
0.152 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.152 * [taylor]: Taking taylor expansion of x in x
0.152 * [backup-simplify]: Simplify 0 into 0
0.152 * [backup-simplify]: Simplify 1 into 1
0.152 * [backup-simplify]: Simplify (/ 1 1) into 1
0.152 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.153 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5
0.153 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.153 * [taylor]: Taking taylor expansion of (- 0.5) in y
0.153 * [taylor]: Taking taylor expansion of 0.5 in y
0.153 * [backup-simplify]: Simplify 0.5 into 0.5
0.153 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y)
0.153 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.154 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.154 * [backup-simplify]: Simplify (+ (/ 0.5 y) 0) into (* 0.5 (/ 1 y))
0.154 * [backup-simplify]: Simplify (- (* 0.5 (/ 1 y))) into (- (* 0.5 (/ 1 y)))
0.154 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in y
0.154 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.154 * [taylor]: Taking taylor expansion of 0.5 in y
0.154 * [backup-simplify]: Simplify 0.5 into 0.5
0.154 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.154 * [taylor]: Taking taylor expansion of y in y
0.154 * [backup-simplify]: Simplify 0 into 0
0.154 * [backup-simplify]: Simplify 1 into 1
0.154 * [backup-simplify]: Simplify (/ 1 1) into 1
0.155 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.155 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.155 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.155 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.155 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.156 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.156 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0
0.156 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.157 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.157 * [backup-simplify]: Simplify (+ 0 0) into 0
0.157 * [backup-simplify]: Simplify (- 0) into 0
0.157 * [taylor]: Taking taylor expansion of 0 in y
0.157 * [backup-simplify]: Simplify 0 into 0
0.158 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.163 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.164 * [backup-simplify]: Simplify (- 0) into 0
0.164 * [backup-simplify]: Simplify 0 into 0
0.164 * [backup-simplify]: Simplify (- 0) into 0
0.164 * [backup-simplify]: Simplify 0 into 0
0.164 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.165 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
0.165 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.166 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.166 * [backup-simplify]: Simplify (+ 0 0) into 0
0.166 * [backup-simplify]: Simplify (- 0) into 0
0.166 * [taylor]: Taking taylor expansion of 0 in y
0.166 * [backup-simplify]: Simplify 0 into 0
0.166 * [backup-simplify]: Simplify 0 into 0
0.167 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.167 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.167 * [backup-simplify]: Simplify (- 0) into 0
0.168 * [backup-simplify]: Simplify 0 into 0
0.168 * [backup-simplify]: Simplify (- 0) into 0
0.168 * [backup-simplify]: Simplify 0 into 0
0.168 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.169 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
0.169 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.170 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.170 * [backup-simplify]: Simplify (+ 0 0) into 0
0.171 * [backup-simplify]: Simplify (- 0) into 0
0.171 * [taylor]: Taking taylor expansion of 0 in y
0.171 * [backup-simplify]: Simplify 0 into 0
0.171 * [backup-simplify]: Simplify 0 into 0
0.171 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (/ 1 (/ 1 (- x))))) (* (- 0.5) (* (/ 1 (/ 1 (- y))) 1))) into (+ (* 0.5 x) (* 0.5 y))
0.171 * * * [progress]: simplifying candidates
0.172 * [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))
1.269 * * * [progress]: adding candidates to table
1.294 * * [progress]: iteration 2 / 4
1.294 * * * [progress]: picking best candidate
1.295 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (+ x y)))>
1.295 * * * [progress]: localizing error
1.299 * * * [progress]: generating rewritten candidates
1.299 * * * [progress]: generating series expansions
1.299 * * * [progress]: simplifying candidates
1.299 * [simplify]: Simplifying:
  
1.310 * * * [progress]: adding candidates to table
1.310 * [progress]: [Phase 3 of 3] Extracting.
1.312 * [simplify]: Simplifying:
  (* 0.5 (+ x y))
1.959 * [regime-testing]: Baseline error score: 0
1.961 * [regime-testing]: Oracle error score: 0
1.961 * [regime-testing]: End program error score: 0
1.980 * [regime-testing]: Target error score: 0