8.893 * [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.
0.040 * [simplify]: Simplifying:
  (+ (+ (/ x 2.0) (* y x)) z)
0.040 * * [simplify]: Extracting # 0 : cost  0
0.040 * * [simplify]: Extracting # 1 : cost  0
0.040 * * [simplify]: Extracting # 2 : cost  0
0.040 * * [simplify]: Extracting # 3 : cost  0
0.040 * * [simplify]: Extracting # 4 : cost  0
0.041 * * [simplify]: Extracting # 5 : cost  0
0.041 * * [simplify]: iteration  0 :  8  enodes  (cost  9 )
0.043 * * [simplify]: Extracting # 0 : cost  0
0.043 * * [simplify]: Extracting # 1 : cost  0
0.043 * * [simplify]: Extracting # 2 : cost  0
0.043 * * [simplify]: iteration  1 :  13  enodes  (cost  9 )
0.047 * * [simplify]: Extracting # 0 : cost  0
0.048 * * [simplify]: Extracting # 1 : cost  0
0.048 * * [simplify]: Extracting # 2 : cost  0
0.048 * * [simplify]: iteration  2 :  19  enodes  (cost  9 )
0.054 * * [simplify]: Extracting # 0 : cost  0
0.054 * * [simplify]: iteration  3 :  21  enodes  (cost  9 )
0.058 * * [simplify]: Extracting # 0 : cost  0
0.058 * * [simplify]: iteration done:  21  enodes  (cost  9 )
0.058 * [simplify]: Simplified to:
  (+ (+ (/ x 2.0) (* y x)) z)
0.059 * * [progress]: iteration 1 / 4
0.059 * * * [progress]: picking best candidate
0.060 * * * * [pick]: Picked  #<alt (λ (x y z) (+ (+ (/ x 2.0) (* y x)) z))>
0.060 * * * [progress]: localizing error
0.075 * * * [progress]: generating rewritten candidates
0.076 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.098 * * * [progress]: generating series expansions
0.098 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.099 * [backup-simplify]: Simplify (+ (/ x 2.0) (* y x)) into (+ (* 0.5 x) (* x y))
0.099 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in (x y) around 0
0.099 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in y
0.099 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.099 * [taylor]: Taking taylor expansion of 0.5 in y
0.099 * [backup-simplify]: Simplify 0.5 into 0.5
0.099 * [taylor]: Taking taylor expansion of x in y
0.099 * [backup-simplify]: Simplify x into x
0.099 * [taylor]: Taking taylor expansion of (* x y) in y
0.099 * [taylor]: Taking taylor expansion of x in y
0.099 * [backup-simplify]: Simplify x into x
0.099 * [taylor]: Taking taylor expansion of y in y
0.099 * [backup-simplify]: Simplify 0 into 0
0.099 * [backup-simplify]: Simplify 1 into 1
0.099 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in x
0.099 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.099 * [taylor]: Taking taylor expansion of 0.5 in x
0.099 * [backup-simplify]: Simplify 0.5 into 0.5
0.099 * [taylor]: Taking taylor expansion of x in x
0.099 * [backup-simplify]: Simplify 0 into 0
0.099 * [backup-simplify]: Simplify 1 into 1
0.099 * [taylor]: Taking taylor expansion of (* x y) in x
0.099 * [taylor]: Taking taylor expansion of x in x
0.099 * [backup-simplify]: Simplify 0 into 0
0.099 * [backup-simplify]: Simplify 1 into 1
0.099 * [taylor]: Taking taylor expansion of y in x
0.099 * [backup-simplify]: Simplify y into y
0.099 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in x
0.099 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.099 * [taylor]: Taking taylor expansion of 0.5 in x
0.099 * [backup-simplify]: Simplify 0.5 into 0.5
0.099 * [taylor]: Taking taylor expansion of x in x
0.099 * [backup-simplify]: Simplify 0 into 0
0.099 * [backup-simplify]: Simplify 1 into 1
0.099 * [taylor]: Taking taylor expansion of (* x y) in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.100 * [backup-simplify]: Simplify 0 into 0
0.100 * [backup-simplify]: Simplify 1 into 1
0.100 * [taylor]: Taking taylor expansion of y in x
0.100 * [backup-simplify]: Simplify y into y
0.100 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.100 * [backup-simplify]: Simplify (* 0 y) into 0
0.101 * [backup-simplify]: Simplify (+ 0 0) into 0
0.101 * [taylor]: Taking taylor expansion of 0 in y
0.101 * [backup-simplify]: Simplify 0 into 0
0.101 * [backup-simplify]: Simplify 0 into 0
0.102 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.103 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.103 * [backup-simplify]: Simplify (+ 0.5 y) into (+ y 0.5)
0.103 * [taylor]: Taking taylor expansion of (+ y 0.5) 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 * [taylor]: Taking taylor expansion of 0.5 in y
0.103 * [backup-simplify]: Simplify 0.5 into 0.5
0.103 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5
0.103 * [backup-simplify]: Simplify 0.5 into 0.5
0.104 * [backup-simplify]: Simplify 0 into 0
0.104 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.105 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
0.106 * [backup-simplify]: Simplify (+ 0 0) into 0
0.106 * [taylor]: Taking taylor expansion of 0 in y
0.106 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify (+ 1 0) into 1
0.106 * [backup-simplify]: Simplify 1 into 1
0.106 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.109 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
0.109 * [backup-simplify]: Simplify (+ 0 0) into 0
0.109 * [taylor]: Taking taylor expansion of 0 in y
0.109 * [backup-simplify]: Simplify 0 into 0
0.109 * [backup-simplify]: Simplify 0 into 0
0.109 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify (+ 0 0) into 0
0.110 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify 0 into 0
0.111 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.113 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.113 * [backup-simplify]: Simplify (+ 0 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 (* y x)) (* 0.5 (* 1 x))) into (+ (* 0.5 x) (* x y))
0.114 * [backup-simplify]: Simplify (+ (/ (/ 1 x) 2.0) (* (/ 1 y) (/ 1 x))) into (+ (/ 1 (* x y)) (* 0.5 (/ 1 x)))
0.114 * [approximate]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in (x y) around 0
0.114 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in y
0.114 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.114 * [taylor]: Taking taylor expansion of (* x y) in y
0.114 * [taylor]: Taking taylor expansion of x in y
0.114 * [backup-simplify]: Simplify x into x
0.114 * [taylor]: Taking taylor expansion of y in y
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify 1 into 1
0.114 * [backup-simplify]: Simplify (* x 0) into 0
0.115 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
0.115 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.115 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.115 * [taylor]: Taking taylor expansion of 0.5 in y
0.115 * [backup-simplify]: Simplify 0.5 into 0.5
0.115 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.115 * [taylor]: Taking taylor expansion of x in y
0.115 * [backup-simplify]: Simplify x into x
0.115 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.115 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x
0.115 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.115 * [taylor]: Taking taylor expansion of (* x y) in x
0.115 * [taylor]: Taking taylor expansion of x in x
0.115 * [backup-simplify]: Simplify 0 into 0
0.115 * [backup-simplify]: Simplify 1 into 1
0.115 * [taylor]: Taking taylor expansion of y in x
0.115 * [backup-simplify]: Simplify y into y
0.115 * [backup-simplify]: Simplify (* 0 y) into 0
0.116 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.116 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.116 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.116 * [taylor]: Taking taylor expansion of 0.5 in x
0.116 * [backup-simplify]: Simplify 0.5 into 0.5
0.116 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.116 * [taylor]: Taking taylor expansion of x in x
0.116 * [backup-simplify]: Simplify 0 into 0
0.116 * [backup-simplify]: Simplify 1 into 1
0.116 * [backup-simplify]: Simplify (/ 1 1) into 1
0.116 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x
0.116 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.116 * [taylor]: Taking taylor expansion of (* x y) in x
0.116 * [taylor]: Taking taylor expansion of x in x
0.116 * [backup-simplify]: Simplify 0 into 0
0.116 * [backup-simplify]: Simplify 1 into 1
0.116 * [taylor]: Taking taylor expansion of y in x
0.116 * [backup-simplify]: Simplify y into y
0.117 * [backup-simplify]: Simplify (* 0 y) into 0
0.117 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.117 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.117 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.117 * [taylor]: Taking taylor expansion of 0.5 in x
0.117 * [backup-simplify]: Simplify 0.5 into 0.5
0.117 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.117 * [taylor]: Taking taylor expansion of x in x
0.117 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify 1 into 1
0.118 * [backup-simplify]: Simplify (/ 1 1) into 1
0.118 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.118 * [backup-simplify]: Simplify (+ (/ 1 y) 0.5) into (+ (/ 1 y) 0.5)
0.118 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in y
0.118 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.118 * [taylor]: Taking taylor expansion of y in y
0.118 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify 1 into 1
0.119 * [backup-simplify]: Simplify (/ 1 1) into 1
0.119 * [taylor]: Taking taylor expansion of 0.5 in y
0.119 * [backup-simplify]: Simplify 0.5 into 0.5
0.119 * [backup-simplify]: Simplify (+ 1 0) into 1
0.119 * [backup-simplify]: Simplify 1 into 1
0.120 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
0.121 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.121 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.122 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) 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 (- (+ (* 1 (/ 0 1)))) into 0
0.124 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5
0.124 * [backup-simplify]: Simplify 0.5 into 0.5
0.125 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
0.126 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.127 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.128 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.128 * [backup-simplify]: Simplify (+ 0 0) into 0
0.128 * [taylor]: Taking taylor expansion of 0 in y
0.128 * [backup-simplify]: Simplify 0 into 0
0.128 * [backup-simplify]: Simplify 0 into 0
0.129 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.129 * [backup-simplify]: Simplify (+ 0 0) into 0
0.129 * [backup-simplify]: Simplify 0 into 0
0.131 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.131 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.132 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.133 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.134 * [backup-simplify]: Simplify (+ 0 0) into 0
0.134 * [taylor]: Taking taylor expansion of 0 in y
0.134 * [backup-simplify]: Simplify 0 into 0
0.134 * [backup-simplify]: Simplify 0 into 0
0.134 * [backup-simplify]: Simplify 0 into 0
0.135 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.135 * [backup-simplify]: Simplify (+ 0 0) into 0
0.135 * [backup-simplify]: Simplify 0 into 0
0.137 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))))) into 0
0.137 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.138 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.139 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.140 * [backup-simplify]: Simplify (+ 0 0) into 0
0.140 * [taylor]: Taking taylor expansion of 0 in y
0.140 * [backup-simplify]: Simplify 0 into 0
0.140 * [backup-simplify]: Simplify 0 into 0
0.140 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (/ 1 (/ 1 x)))) (* 1 (* (/ 1 (/ 1 y)) (/ 1 (/ 1 x))))) into (+ (* 0.5 x) (* x y))
0.140 * [backup-simplify]: Simplify (+ (/ (/ 1 (- x)) 2.0) (* (/ 1 (- y)) (/ 1 (- x)))) into (- (/ 1 (* x y)) (* 0.5 (/ 1 x)))
0.140 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in (x y) around 0
0.140 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in y
0.141 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.141 * [taylor]: Taking taylor expansion of (* x y) in y
0.141 * [taylor]: Taking taylor expansion of x in y
0.141 * [backup-simplify]: Simplify x into x
0.141 * [taylor]: Taking taylor expansion of y in y
0.141 * [backup-simplify]: Simplify 0 into 0
0.141 * [backup-simplify]: Simplify 1 into 1
0.141 * [backup-simplify]: Simplify (* x 0) into 0
0.141 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
0.141 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.141 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.141 * [taylor]: Taking taylor expansion of 0.5 in y
0.141 * [backup-simplify]: Simplify 0.5 into 0.5
0.141 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.141 * [taylor]: Taking taylor expansion of x in y
0.141 * [backup-simplify]: Simplify x into x
0.141 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.141 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x
0.141 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.142 * [taylor]: Taking taylor expansion of (* x y) in x
0.142 * [taylor]: Taking taylor expansion of x in x
0.142 * [backup-simplify]: Simplify 0 into 0
0.142 * [backup-simplify]: Simplify 1 into 1
0.142 * [taylor]: Taking taylor expansion of y in x
0.142 * [backup-simplify]: Simplify y into y
0.142 * [backup-simplify]: Simplify (* 0 y) into 0
0.142 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.142 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.142 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.142 * [taylor]: Taking taylor expansion of 0.5 in x
0.142 * [backup-simplify]: Simplify 0.5 into 0.5
0.142 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.142 * [taylor]: Taking taylor expansion of x in x
0.142 * [backup-simplify]: Simplify 0 into 0
0.142 * [backup-simplify]: Simplify 1 into 1
0.143 * [backup-simplify]: Simplify (/ 1 1) into 1
0.143 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x
0.143 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.143 * [taylor]: Taking taylor expansion of (* x y) in x
0.143 * [taylor]: Taking taylor expansion of x in x
0.143 * [backup-simplify]: Simplify 0 into 0
0.143 * [backup-simplify]: Simplify 1 into 1
0.143 * [taylor]: Taking taylor expansion of y in x
0.143 * [backup-simplify]: Simplify y into y
0.143 * [backup-simplify]: Simplify (* 0 y) into 0
0.143 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.143 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.143 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.143 * [taylor]: Taking taylor expansion of 0.5 in x
0.144 * [backup-simplify]: Simplify 0.5 into 0.5
0.144 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.144 * [taylor]: Taking taylor expansion of x in x
0.144 * [backup-simplify]: Simplify 0 into 0
0.144 * [backup-simplify]: Simplify 1 into 1
0.144 * [backup-simplify]: Simplify (/ 1 1) into 1
0.145 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.145 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.145 * [backup-simplify]: Simplify (+ (/ 1 y) (- 0.5)) into (- (/ 1 y) 0.5)
0.145 * [taylor]: Taking taylor expansion of (- (/ 1 y) 0.5) in y
0.145 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.145 * [taylor]: Taking taylor expansion of y in y
0.145 * [backup-simplify]: Simplify 0 into 0
0.145 * [backup-simplify]: Simplify 1 into 1
0.146 * [backup-simplify]: Simplify (/ 1 1) into 1
0.146 * [taylor]: Taking taylor expansion of 0.5 in y
0.146 * [backup-simplify]: Simplify 0.5 into 0.5
0.146 * [backup-simplify]: Simplify (+ 1 0) into 1
0.146 * [backup-simplify]: Simplify 1 into 1
0.147 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
0.147 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.148 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.148 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.148 * [backup-simplify]: Simplify (- 0) into 0
0.149 * [backup-simplify]: Simplify (+ 0 0) into 0
0.149 * [taylor]: Taking taylor expansion of 0 in y
0.149 * [backup-simplify]: Simplify 0 into 0
0.149 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.149 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.150 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.150 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.151 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
0.151 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.152 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.152 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.152 * [backup-simplify]: Simplify (- 0) into 0
0.153 * [backup-simplify]: Simplify (+ 0 0) into 0
0.153 * [taylor]: Taking taylor expansion of 0 in y
0.153 * [backup-simplify]: Simplify 0 into 0
0.153 * [backup-simplify]: Simplify 0 into 0
0.153 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.153 * [backup-simplify]: Simplify (- 0) 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
0.155 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.156 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.156 * [backup-simplify]: Simplify (- 0) into 0
0.156 * [backup-simplify]: Simplify (+ 0 0) into 0
0.156 * [taylor]: Taking taylor expansion of 0 in y
0.156 * [backup-simplify]: Simplify 0 into 0
0.156 * [backup-simplify]: Simplify 0 into 0
0.156 * [backup-simplify]: Simplify 0 into 0
0.157 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.157 * [backup-simplify]: Simplify (- 0) into 0
0.157 * [backup-simplify]: Simplify (+ 0 0) into 0
0.157 * [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) 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
0.161 * [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 * * * [progress]: simplifying candidates
0.161 * [simplify]: Simplifying:
  (* (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))
0.162 * * [simplify]: Extracting # 0 : cost  0
0.162 * * [simplify]: Extracting # 1 : cost  0
0.162 * * [simplify]: Extracting # 2 : cost  0
0.162 * * [simplify]: Extracting # 3 : cost  0
0.162 * * [simplify]: Extracting # 4 : cost  0
0.162 * * [simplify]: Extracting # 5 : cost  0
0.162 * * [simplify]: iteration  0 :  31  enodes  (cost  166 )
0.169 * * [simplify]: Extracting # 0 : cost  0
0.170 * * [simplify]: Extracting # 1 : cost  0
0.170 * * [simplify]: Extracting # 2 : cost  0
0.170 * * [simplify]: Extracting # 3 : cost  0
0.170 * * [simplify]: Extracting # 4 : cost  0
0.170 * * [simplify]: iteration  1 :  94  enodes  (cost  161 )
0.221 * * [simplify]: Extracting # 0 : cost  0
0.222 * * [simplify]: Extracting # 1 : cost  0
0.223 * * [simplify]: Extracting # 2 : cost  0
0.223 * * [simplify]: Extracting # 3 : cost  0
0.224 * * [simplify]: Extracting # 4 : cost  0
0.224 * * [simplify]: Extracting # 5 : cost  0
0.225 * * [simplify]: iteration  2 :  291  enodes  (cost  141 )
0.349 * * [simplify]: Extracting # 0 : cost  0
0.350 * * [simplify]: Extracting # 1 : cost  0
0.351 * * [simplify]: Extracting # 2 : cost  0
0.351 * * [simplify]: Extracting # 3 : cost  0
0.352 * * [simplify]: Extracting # 4 : cost  0
0.353 * * [simplify]: iteration  3 :  730  enodes  (cost  141 )
0.803 * * [simplify]: Extracting # 0 : cost  0
0.805 * * [simplify]: Extracting # 1 : cost  0
0.807 * * [simplify]: Extracting # 2 : cost  0
0.809 * * [simplify]: Extracting # 3 : cost  0
0.812 * * [simplify]: Extracting # 4 : cost  0
0.815 * * [simplify]: iteration  4 :  1845  enodes  (cost  137 )
2.694 * * [simplify]: Extracting # 0 : cost  0
2.699 * * [simplify]: Extracting # 1 : cost  0
2.704 * * [simplify]: Extracting # 2 : cost  0
2.709 * * [simplify]: Extracting # 3 : cost  0
2.714 * * [simplify]: Extracting # 4 : cost  0
2.718 * * [simplify]: iteration done:  5000  enodes  (cost  137 )
2.718 * [simplify]: Simplified to:
  (exp (+ (/ x 2.0) (* 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)))
  (pow (+ (/ x 2.0) (* y x)) 3)
  (sqrt (+ (/ x 2.0) (* y x)))
  (sqrt (+ (/ x 2.0) (* y x)))
  (+ (pow (/ x 2.0) 3) (pow (* y x) 3))
  (* x (+ (/ (/ x 2.0) 2.0) (* y (- (* y x) (/ x 2.0)))))
  (* x (- (/ (/ x 2.0) 2.0) (* (* y y) x)))
  (- (/ x 2.0) (* y x))
  (* x (+ y 0.5))
  (* x (+ y 0.5))
  (* x (+ y 0.5))
2.719 * * * [progress]: adding candidates to table
2.768 * [progress]: [Phase 3 of 3] Extracting.
2.769 * [simplify]: Simplifying:
  (+ (+ (/ x 2.0) (* y x)) z)
2.769 * * [simplify]: Extracting # 0 : cost  0
2.769 * * [simplify]: Extracting # 1 : cost  0
2.769 * * [simplify]: Extracting # 2 : cost  0
2.769 * * [simplify]: Extracting # 3 : cost  0
2.770 * * [simplify]: Extracting # 4 : cost  0
2.770 * * [simplify]: Extracting # 5 : cost  0
2.770 * * [simplify]: iteration  0 :  8  enodes  (cost  9 )
2.770 * * [simplify]: Extracting # 0 : cost  0
2.770 * * [simplify]: iteration  1 :  11  enodes  (cost  9 )
2.770 * * [simplify]: Extracting # 0 : cost  0
2.770 * * [simplify]: iteration done:  11  enodes  (cost  9 )
2.771 * [simplify]: Simplified to:
  (+ (+ (/ x 2.0) (* y x)) z)
4.240 * [regime-testing]: Baseline error score: 0.005500687585948244
4.243 * [regime-testing]: Oracle error score: 0.005500687585948244
4.243 * [regime-testing]: End program error score: 0.005500687585948244