19.575 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.037 * * * [progress]: [2/2] Setting up program.
0.040 * [progress]: [Phase 2 of 3] Improving.
0.041 * [simplify]: Simplifying:
  (+ (+ (/ x 2.0) (* y x)) z)
0.041 * * [simplify]: Extracting # 0 : cost  0
0.041 * * [simplify]: Extracting # 1 : cost  0
0.041 * * [simplify]: Extracting # 2 : cost  0
0.041 * * [simplify]: Extracting # 3 : cost  0
0.041 * * [simplify]: Extracting # 4 : cost  0
0.041 * * [simplify]: Extracting # 5 : cost  0
0.041 * * [simplify]: iteration  0 :  8  enodes  (cost  9 )
0.044 * * [simplify]: Extracting # 0 : cost  0
0.044 * * [simplify]: Extracting # 1 : cost  0
0.044 * * [simplify]: Extracting # 2 : cost  0
0.044 * * [simplify]: iteration  1 :  13  enodes  (cost  9 )
0.048 * * [simplify]: Extracting # 0 : cost  0
0.049 * * [simplify]: Extracting # 1 : cost  0
0.049 * * [simplify]: Extracting # 2 : cost  0
0.049 * * [simplify]: iteration  2 :  23  enodes  (cost  8 )
0.057 * * [simplify]: Extracting # 0 : cost  0
0.057 * * [simplify]: iteration  3 :  27  enodes  (cost  8 )
0.064 * * [simplify]: Extracting # 0 : cost  0
0.064 * * [simplify]: iteration done:  27  enodes  (cost  8 )
0.064 * [simplify]: Simplified to:
  (+ (fma x y (/ x 2.0)) z)
0.071 * * [progress]: iteration 1 / 4
0.071 * * * [progress]: picking best candidate
0.073 * * * * [pick]: Picked  #<alt (λ (x y z) (+ (+ (/ x 2.0) (* y x)) z))>
0.073 * * * [progress]: localizing error
0.089 * * * [progress]: generating rewritten candidates
0.089 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.135 * * * [progress]: generating series expansions
0.135 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.135 * [backup-simplify]: Simplify (+ (/ x 2.0) (* y x)) into (+ (* 0.5 x) (* x y))
0.135 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in (x y) around 0
0.135 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in y
0.136 * [taylor]: Taking taylor expansion of (* 0.5 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 x in y
0.136 * [backup-simplify]: Simplify x into x
0.136 * [taylor]: Taking taylor expansion of (* x y) in y
0.136 * [taylor]: Taking taylor expansion of x in y
0.136 * [backup-simplify]: Simplify x into x
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 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in x
0.136 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.136 * [taylor]: Taking taylor expansion of 0.5 in x
0.136 * [backup-simplify]: Simplify 0.5 into 0.5
0.136 * [taylor]: Taking taylor expansion of x in x
0.136 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify 1 into 1
0.136 * [taylor]: Taking taylor expansion of (* x y) in x
0.136 * [taylor]: Taking taylor expansion of x in x
0.136 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify 1 into 1
0.136 * [taylor]: Taking taylor expansion of y in x
0.136 * [backup-simplify]: Simplify y into y
0.136 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in x
0.136 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.136 * [taylor]: Taking taylor expansion of 0.5 in x
0.136 * [backup-simplify]: Simplify 0.5 into 0.5
0.136 * [taylor]: Taking taylor expansion of x in x
0.136 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify 1 into 1
0.136 * [taylor]: Taking taylor expansion of (* x y) in x
0.136 * [taylor]: Taking taylor expansion of x in x
0.136 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify 1 into 1
0.136 * [taylor]: Taking taylor expansion of y in x
0.136 * [backup-simplify]: Simplify y into y
0.137 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.137 * [backup-simplify]: Simplify (* 0 y) into 0
0.137 * [backup-simplify]: Simplify (+ 0 0) into 0
0.137 * [taylor]: Taking taylor expansion of 0 in y
0.137 * [backup-simplify]: Simplify 0 into 0
0.137 * [backup-simplify]: Simplify 0 into 0
0.139 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.139 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.139 * [backup-simplify]: Simplify (+ 0.5 y) into (+ y 0.5)
0.139 * [taylor]: Taking taylor expansion of (+ y 0.5) 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 * [taylor]: Taking taylor expansion of 0.5 in y
0.139 * [backup-simplify]: Simplify 0.5 into 0.5
0.139 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5
0.139 * [backup-simplify]: Simplify 0.5 into 0.5
0.139 * [backup-simplify]: Simplify 0 into 0
0.140 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.140 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
0.141 * [backup-simplify]: Simplify (+ 0 0) into 0
0.141 * [taylor]: Taking taylor expansion of 0 in y
0.141 * [backup-simplify]: Simplify 0 into 0
0.141 * [backup-simplify]: Simplify 0 into 0
0.141 * [backup-simplify]: Simplify (+ 1 0) into 1
0.141 * [backup-simplify]: Simplify 1 into 1
0.141 * [backup-simplify]: Simplify 0 into 0
0.142 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.142 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
0.143 * [backup-simplify]: Simplify (+ 0 0) into 0
0.143 * [taylor]: Taking taylor expansion of 0 in y
0.143 * [backup-simplify]: Simplify 0 into 0
0.143 * [backup-simplify]: Simplify 0 into 0
0.143 * [backup-simplify]: Simplify 0 into 0
0.143 * [backup-simplify]: Simplify (+ 0 0) into 0
0.143 * [backup-simplify]: Simplify 0 into 0
0.143 * [backup-simplify]: Simplify 0 into 0
0.144 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.145 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.145 * [backup-simplify]: Simplify (+ 0 0) into 0
0.145 * [taylor]: Taking taylor expansion of 0 in y
0.145 * [backup-simplify]: Simplify 0 into 0
0.145 * [backup-simplify]: Simplify 0 into 0
0.145 * [backup-simplify]: Simplify (+ (* 1 (* y x)) (* 0.5 (* 1 x))) into (+ (* 0.5 x) (* x y))
0.145 * [backup-simplify]: Simplify (+ (/ (/ 1 x) 2.0) (* (/ 1 y) (/ 1 x))) into (+ (/ 1 (* x y)) (* 0.5 (/ 1 x)))
0.145 * [approximate]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in (x y) around 0
0.145 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in y
0.146 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.146 * [taylor]: Taking taylor expansion of (* x y) in y
0.146 * [taylor]: Taking taylor expansion of x in y
0.146 * [backup-simplify]: Simplify x into x
0.146 * [taylor]: Taking taylor expansion of y in y
0.146 * [backup-simplify]: Simplify 0 into 0
0.146 * [backup-simplify]: Simplify 1 into 1
0.146 * [backup-simplify]: Simplify (* x 0) into 0
0.146 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
0.146 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.146 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.146 * [taylor]: Taking taylor expansion of 0.5 in y
0.146 * [backup-simplify]: Simplify 0.5 into 0.5
0.146 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.146 * [taylor]: Taking taylor expansion of x in y
0.146 * [backup-simplify]: Simplify x into x
0.146 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.146 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x
0.146 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.146 * [taylor]: Taking taylor expansion of (* x y) in x
0.146 * [taylor]: Taking taylor expansion of x in x
0.146 * [backup-simplify]: Simplify 0 into 0
0.146 * [backup-simplify]: Simplify 1 into 1
0.146 * [taylor]: Taking taylor expansion of y in x
0.146 * [backup-simplify]: Simplify y into y
0.146 * [backup-simplify]: Simplify (* 0 y) into 0
0.147 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.147 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.147 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.147 * [taylor]: Taking taylor expansion of 0.5 in x
0.147 * [backup-simplify]: Simplify 0.5 into 0.5
0.147 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.147 * [taylor]: Taking taylor expansion of x in x
0.147 * [backup-simplify]: Simplify 0 into 0
0.147 * [backup-simplify]: Simplify 1 into 1
0.147 * [backup-simplify]: Simplify (/ 1 1) into 1
0.147 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x
0.147 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.147 * [taylor]: Taking taylor expansion of (* x y) in x
0.147 * [taylor]: Taking taylor expansion of x in x
0.147 * [backup-simplify]: Simplify 0 into 0
0.147 * [backup-simplify]: Simplify 1 into 1
0.147 * [taylor]: Taking taylor expansion of y in x
0.147 * [backup-simplify]: Simplify y into y
0.147 * [backup-simplify]: Simplify (* 0 y) into 0
0.147 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.148 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.148 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.148 * [taylor]: Taking taylor expansion of 0.5 in x
0.148 * [backup-simplify]: Simplify 0.5 into 0.5
0.148 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.148 * [taylor]: Taking taylor expansion of x in x
0.148 * [backup-simplify]: Simplify 0 into 0
0.148 * [backup-simplify]: Simplify 1 into 1
0.148 * [backup-simplify]: Simplify (/ 1 1) into 1
0.148 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.148 * [backup-simplify]: Simplify (+ (/ 1 y) 0.5) into (+ (/ 1 y) 0.5)
0.148 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in y
0.148 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.148 * [taylor]: Taking taylor expansion of y in y
0.148 * [backup-simplify]: Simplify 0 into 0
0.148 * [backup-simplify]: Simplify 1 into 1
0.149 * [backup-simplify]: Simplify (/ 1 1) into 1
0.149 * [taylor]: Taking taylor expansion of 0.5 in y
0.149 * [backup-simplify]: Simplify 0.5 into 0.5
0.149 * [backup-simplify]: Simplify (+ 1 0) into 1
0.149 * [backup-simplify]: Simplify 1 into 1
0.149 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
0.150 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.150 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.150 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.151 * [backup-simplify]: Simplify (+ 0 0) into 0
0.151 * [taylor]: Taking taylor expansion of 0 in y
0.151 * [backup-simplify]: Simplify 0 into 0
0.151 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.151 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5
0.151 * [backup-simplify]: Simplify 0.5 into 0.5
0.152 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
0.152 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.153 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.153 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.154 * [backup-simplify]: Simplify (+ 0 0) into 0
0.154 * [taylor]: Taking taylor expansion of 0 in y
0.154 * [backup-simplify]: Simplify 0 into 0
0.154 * [backup-simplify]: Simplify 0 into 0
0.154 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.154 * [backup-simplify]: Simplify (+ 0 0) into 0
0.154 * [backup-simplify]: Simplify 0 into 0
0.155 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.155 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.156 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.157 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.157 * [backup-simplify]: Simplify (+ 0 0) into 0
0.157 * [taylor]: Taking taylor expansion of 0 in y
0.157 * [backup-simplify]: Simplify 0 into 0
0.157 * [backup-simplify]: Simplify 0 into 0
0.157 * [backup-simplify]: Simplify 0 into 0
0.157 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.158 * [backup-simplify]: Simplify (+ 0 0) into 0
0.158 * [backup-simplify]: Simplify 0 into 0
0.159 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))))) into 0
0.159 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.159 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.160 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.160 * [backup-simplify]: Simplify (+ 0 0) into 0
0.160 * [taylor]: Taking taylor expansion of 0 in y
0.160 * [backup-simplify]: Simplify 0 into 0
0.160 * [backup-simplify]: Simplify 0 into 0
0.161 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (/ 1 (/ 1 x)))) (* 1 (* (/ 1 (/ 1 y)) (/ 1 (/ 1 x))))) into (+ (* 0.5 x) (* x y))
0.161 * [backup-simplify]: Simplify (+ (/ (/ 1 (- x)) 2.0) (* (/ 1 (- y)) (/ 1 (- x)))) into (- (/ 1 (* x y)) (* 0.5 (/ 1 x)))
0.161 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in (x y) around 0
0.161 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in y
0.161 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.161 * [taylor]: Taking taylor expansion of (* x y) in y
0.161 * [taylor]: Taking taylor expansion of x in y
0.161 * [backup-simplify]: Simplify x into x
0.161 * [taylor]: Taking taylor expansion of y in y
0.161 * [backup-simplify]: Simplify 0 into 0
0.161 * [backup-simplify]: Simplify 1 into 1
0.161 * [backup-simplify]: Simplify (* x 0) into 0
0.161 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
0.161 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.161 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.161 * [taylor]: Taking taylor expansion of 0.5 in y
0.161 * [backup-simplify]: Simplify 0.5 into 0.5
0.161 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.161 * [taylor]: Taking taylor expansion of x in y
0.161 * [backup-simplify]: Simplify x into x
0.162 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.162 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x
0.162 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.162 * [taylor]: Taking taylor expansion of (* x y) in x
0.162 * [taylor]: Taking taylor expansion of x in x
0.162 * [backup-simplify]: Simplify 0 into 0
0.162 * [backup-simplify]: Simplify 1 into 1
0.162 * [taylor]: Taking taylor expansion of y in x
0.162 * [backup-simplify]: Simplify y into y
0.162 * [backup-simplify]: Simplify (* 0 y) into 0
0.162 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.162 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.162 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.162 * [taylor]: Taking taylor expansion of 0.5 in x
0.162 * [backup-simplify]: Simplify 0.5 into 0.5
0.162 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.162 * [taylor]: Taking taylor expansion of x in x
0.162 * [backup-simplify]: Simplify 0 into 0
0.162 * [backup-simplify]: Simplify 1 into 1
0.162 * [backup-simplify]: Simplify (/ 1 1) into 1
0.162 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x
0.162 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.162 * [taylor]: Taking taylor expansion of (* x y) in x
0.162 * [taylor]: Taking taylor expansion of x in x
0.162 * [backup-simplify]: Simplify 0 into 0
0.162 * [backup-simplify]: Simplify 1 into 1
0.163 * [taylor]: Taking taylor expansion of y in x
0.163 * [backup-simplify]: Simplify y into y
0.163 * [backup-simplify]: Simplify (* 0 y) into 0
0.163 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.163 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.163 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.163 * [taylor]: Taking taylor expansion of 0.5 in x
0.163 * [backup-simplify]: Simplify 0.5 into 0.5
0.163 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.163 * [taylor]: Taking taylor expansion of x in x
0.163 * [backup-simplify]: Simplify 0 into 0
0.163 * [backup-simplify]: Simplify 1 into 1
0.164 * [backup-simplify]: Simplify (/ 1 1) into 1
0.164 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.164 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.165 * [backup-simplify]: Simplify (+ (/ 1 y) (- 0.5)) into (- (/ 1 y) 0.5)
0.165 * [taylor]: Taking taylor expansion of (- (/ 1 y) 0.5) in y
0.165 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.165 * [taylor]: Taking taylor expansion of y in y
0.165 * [backup-simplify]: Simplify 0 into 0
0.165 * [backup-simplify]: Simplify 1 into 1
0.165 * [backup-simplify]: Simplify (/ 1 1) into 1
0.165 * [taylor]: Taking taylor expansion of 0.5 in y
0.165 * [backup-simplify]: Simplify 0.5 into 0.5
0.166 * [backup-simplify]: Simplify (+ 1 0) into 1
0.166 * [backup-simplify]: Simplify 1 into 1
0.167 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
0.167 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.168 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.169 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.169 * [backup-simplify]: Simplify (- 0) into 0
0.169 * [backup-simplify]: Simplify (+ 0 0) into 0
0.169 * [taylor]: Taking taylor expansion of 0 in y
0.169 * [backup-simplify]: Simplify 0 into 0
0.170 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.170 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.171 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.172 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.173 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
0.173 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.174 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.175 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.175 * [backup-simplify]: Simplify (- 0) into 0
0.176 * [backup-simplify]: Simplify (+ 0 0) into 0
0.176 * [taylor]: Taking taylor expansion of 0 in y
0.176 * [backup-simplify]: Simplify 0 into 0
0.176 * [backup-simplify]: Simplify 0 into 0
0.177 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.177 * [backup-simplify]: Simplify (- 0) into 0
0.177 * [backup-simplify]: Simplify (+ 0 0) into 0
0.178 * [backup-simplify]: Simplify 0 into 0
0.179 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.179 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.180 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.181 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.182 * [backup-simplify]: Simplify (- 0) into 0
0.182 * [backup-simplify]: Simplify (+ 0 0) into 0
0.182 * [taylor]: Taking taylor expansion of 0 in y
0.182 * [backup-simplify]: Simplify 0 into 0
0.182 * [backup-simplify]: Simplify 0 into 0
0.182 * [backup-simplify]: Simplify 0 into 0
0.183 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.184 * [backup-simplify]: Simplify (- 0) into 0
0.184 * [backup-simplify]: Simplify (+ 0 0) into 0
0.184 * [backup-simplify]: Simplify 0 into 0
0.186 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))))) into 0
0.187 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.188 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.189 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.190 * [backup-simplify]: Simplify (- 0) into 0
0.190 * [backup-simplify]: Simplify (+ 0 0) into 0
0.190 * [taylor]: Taking taylor expansion of 0 in y
0.190 * [backup-simplify]: Simplify 0 into 0
0.190 * [backup-simplify]: Simplify 0 into 0
0.191 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (/ 1 (/ 1 (- x))))) (* 1 (* (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x)))))) into (+ (* 0.5 x) (* x y))
0.191 * * * [progress]: simplifying candidates
0.192 * [simplify]: Simplifying:
  (expm1 (+ (/ x 2.0) (* y x)))
  (log1p (+ (/ x 2.0) (* y x)))
  (* (exp (/ x 2.0)) (exp (* y x)))
  (log (+ (/ x 2.0) (* y x)))
  (exp (+ (/ x 2.0) (* y x)))
  (* (cbrt (+ (/ x 2.0) (* y x))) (cbrt (+ (/ x 2.0) (* y x))))
  (cbrt (+ (/ x 2.0) (* y x)))
  (* (* (+ (/ x 2.0) (* y x)) (+ (/ x 2.0) (* y x))) (+ (/ x 2.0) (* y x)))
  (sqrt (+ (/ x 2.0) (* y x)))
  (sqrt (+ (/ x 2.0) (* y x)))
  (+ (pow (/ x 2.0) 3) (pow (* y x) 3))
  (+ (* (/ x 2.0) (/ x 2.0)) (- (* (* y x) (* y x)) (* (/ x 2.0) (* y x))))
  (- (* (/ x 2.0) (/ x 2.0)) (* (* y x) (* y x)))
  (- (/ x 2.0) (* y x))
  (+ (* 0.5 x) (* x y))
  (+ (* 0.5 x) (* x y))
  (+ (* 0.5 x) (* x y))
0.193 * * [simplify]: Extracting # 0 : cost  0
0.193 * * [simplify]: Extracting # 1 : cost  0
0.193 * * [simplify]: Extracting # 2 : cost  0
0.193 * * [simplify]: Extracting # 3 : cost  0
0.193 * * [simplify]: Extracting # 4 : cost  0
0.193 * * [simplify]: Extracting # 5 : cost  0
0.193 * * [simplify]: Extracting # 6 : cost  0
0.194 * * [simplify]: iteration  0 :  33  enodes  (cost  182 )
0.211 * * [simplify]: Extracting # 0 : cost  0
0.211 * * [simplify]: Extracting # 1 : cost  0
0.211 * * [simplify]: Extracting # 2 : cost  0
0.212 * * [simplify]: Extracting # 3 : cost  0
0.212 * * [simplify]: Extracting # 4 : cost  0
0.212 * * [simplify]: iteration  1 :  100  enodes  (cost  173 )
0.251 * * [simplify]: Extracting # 0 : cost  0
0.251 * * [simplify]: Extracting # 1 : cost  0
0.252 * * [simplify]: Extracting # 2 : cost  0
0.252 * * [simplify]: Extracting # 3 : cost  0
0.256 * * [simplify]: Extracting # 4 : cost  0
0.256 * * [simplify]: iteration  2 :  321  enodes  (cost  144 )
0.506 * * [simplify]: Extracting # 0 : cost  0
0.508 * * [simplify]: Extracting # 1 : cost  0
0.509 * * [simplify]: Extracting # 2 : cost  0
0.511 * * [simplify]: Extracting # 3 : cost  0
0.513 * * [simplify]: Extracting # 4 : cost  0
0.514 * * [simplify]: iteration  3 :  891  enodes  (cost  144 )
1.540 * * [simplify]: Extracting # 0 : cost  0
1.545 * * [simplify]: Extracting # 1 : cost  0
1.557 * * [simplify]: Extracting # 2 : cost  0
1.561 * * [simplify]: Extracting # 3 : cost  0
1.565 * * [simplify]: Extracting # 4 : cost  0
1.569 * * [simplify]: iteration  4 :  2464  enodes  (cost  142 )
3.738 * * [simplify]: Extracting # 0 : cost  0
3.749 * * [simplify]: Extracting # 1 : cost  0
3.755 * * [simplify]: Extracting # 2 : cost  0
3.760 * * [simplify]: Extracting # 3 : cost  0
3.765 * * [simplify]: Extracting # 4 : cost  0
3.770 * * [simplify]: iteration done:  5001  enodes  (cost  141 )
3.770 * [simplify]: Simplified to:
  (expm1 (fma x y (/ x 2.0)))
  (log1p (fma x y (/ x 2.0)))
  (exp (fma x y (/ x 2.0)))
  (log (fma x y (/ x 2.0)))
  (exp (fma x y (/ x 2.0)))
  (* (cbrt (fma x y (/ x 2.0))) (cbrt (fma x y (/ x 2.0))))
  (cbrt (fma x y (/ x 2.0)))
  (pow (fma x y (/ x 2.0)) 3)
  (sqrt (fma x y (/ x 2.0)))
  (sqrt (fma x y (/ x 2.0)))
  (+ (pow (/ x 2.0) 3) (pow (* y x) 3))
  (* x (fma y (- (* y x) (/ x 2.0)) (/ (/ x 2.0) 2.0)))
  (* x (- (/ (/ x 2.0) 2.0) (* (* y y) x)))
  (- (/ x 2.0) (* y x))
  (* x (+ 0.5 y))
  (* x (+ 0.5 y))
  (* x (+ 0.5 y))
3.770 * * * [progress]: adding candidates to table
3.850 * [progress]: [Phase 3 of 3] Extracting.
3.853 * [simplify]: Simplifying:
  (+ (+ (/ x 2.0) (* y x)) z)
3.853 * * [simplify]: Extracting # 0 : cost  0
3.853 * * [simplify]: Extracting # 1 : cost  0
3.853 * * [simplify]: Extracting # 2 : cost  0
3.853 * * [simplify]: Extracting # 3 : cost  0
3.853 * * [simplify]: Extracting # 4 : cost  0
3.853 * * [simplify]: Extracting # 5 : cost  0
3.853 * * [simplify]: iteration  0 :  8  enodes  (cost  9 )
3.854 * * [simplify]: Extracting # 0 : cost  0
3.854 * * [simplify]: iteration  1 :  11  enodes  (cost  9 )
3.855 * * [simplify]: Extracting # 0 : cost  0
3.855 * * [simplify]: iteration done:  11  enodes  (cost  9 )
3.855 * [simplify]: Simplified to:
  (+ (+ (/ x 2.0) (* y x)) z)
4.916 * [regime-testing]: Baseline error score: 0.005500687585948244
4.918 * [regime-testing]: Oracle error score: 0.005500687585948244
4.919 * [regime-testing]: End program error score: 0.005500687585948244