11.825 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.015 * * * [progress]: [2/2] Setting up program.
0.017 * [progress]: [Phase 2 of 3] Improving.
0.017 * [simplify]: Simplifying:
  (* 2.0 (- (* x x) (* x y)))
0.017 * * [simplify]: Extracting # 0 : cost  0
0.017 * * [simplify]: Extracting # 1 : cost  0
0.017 * * [simplify]: Extracting # 2 : cost  0
0.017 * * [simplify]: Extracting # 3 : cost  0
0.017 * * [simplify]: Extracting # 4 : cost  0
0.017 * * [simplify]: Extracting # 5 : cost  0
0.017 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.018 * * [simplify]: Extracting # 0 : cost  0
0.018 * * [simplify]: Extracting # 1 : cost  0
0.018 * * [simplify]: Extracting # 2 : cost  0
0.018 * * [simplify]: Extracting # 3 : cost  0
0.018 * * [simplify]: iteration  1 :  13  enodes  (cost  7 )
0.021 * * [simplify]: Extracting # 0 : cost  0
0.021 * * [simplify]: Extracting # 1 : cost  0
0.021 * * [simplify]: Extracting # 2 : cost  0
0.021 * * [simplify]: iteration  2 :  32  enodes  (cost  7 )
0.027 * * [simplify]: Extracting # 0 : cost  0
0.027 * * [simplify]: Extracting # 1 : cost  0
0.027 * * [simplify]: Extracting # 2 : cost  0
0.027 * * [simplify]: iteration  3 :  66  enodes  (cost  7 )
0.043 * * [simplify]: Extracting # 0 : cost  0
0.044 * * [simplify]: Extracting # 1 : cost  0
0.044 * * [simplify]: Extracting # 2 : cost  0
0.044 * * [simplify]: iteration  4 :  90  enodes  (cost  7 )
0.060 * * [simplify]: Extracting # 0 : cost  0
0.060 * * [simplify]: iteration  5 :  96  enodes  (cost  7 )
0.077 * * [simplify]: Extracting # 0 : cost  0
0.077 * * [simplify]: iteration done:  96  enodes  (cost  7 )
0.077 * [simplify]: Simplified to:
  (* (* x (- x y)) 2.0)
0.079 * * [progress]: iteration 1 / 4
0.079 * * * [progress]: picking best candidate
0.080 * * * * [pick]: Picked  #<alt (λ (x y) (* 2.0 (- (* x x) (* x y))))>
0.080 * * * [progress]: localizing error
0.086 * * * [progress]: generating rewritten candidates
0.086 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.115 * * * [progress]: generating series expansions
0.115 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.115 * [backup-simplify]: Simplify (* 2.0 (- (* x x) (* x y))) into (* 2.0 (- (pow x 2) (* x y)))
0.115 * [approximate]: Taking taylor expansion of (* 2.0 (- (pow x 2) (* x y))) in (x y) around 0
0.115 * [taylor]: Taking taylor expansion of (* 2.0 (- (pow x 2) (* x y))) in y
0.115 * [taylor]: Taking taylor expansion of 2.0 in y
0.115 * [backup-simplify]: Simplify 2.0 into 2.0
0.115 * [taylor]: Taking taylor expansion of (- (pow x 2) (* x y)) in y
0.115 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.115 * [taylor]: Taking taylor expansion of x in y
0.115 * [backup-simplify]: Simplify x into x
0.116 * [taylor]: Taking taylor expansion of (* x y) in y
0.116 * [taylor]: Taking taylor expansion of x in y
0.116 * [backup-simplify]: Simplify x into x
0.116 * [taylor]: Taking taylor expansion of y in y
0.116 * [backup-simplify]: Simplify 0 into 0
0.116 * [backup-simplify]: Simplify 1 into 1
0.116 * [taylor]: Taking taylor expansion of (* 2.0 (- (pow x 2) (* x y))) in x
0.116 * [taylor]: Taking taylor expansion of 2.0 in x
0.116 * [backup-simplify]: Simplify 2.0 into 2.0
0.116 * [taylor]: Taking taylor expansion of (- (pow x 2) (* x y)) in x
0.116 * [taylor]: Taking taylor expansion of (pow x 2) 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 (* 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
0.116 * [taylor]: Taking taylor expansion of (* 2.0 (- (pow x 2) (* x y))) in x
0.116 * [taylor]: Taking taylor expansion of 2.0 in x
0.116 * [backup-simplify]: Simplify 2.0 into 2.0
0.116 * [taylor]: Taking taylor expansion of (- (pow x 2) (* x y)) in x
0.116 * [taylor]: Taking taylor expansion of (pow x 2) 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 (* 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
0.116 * [backup-simplify]: Simplify (* 0 y) into 0
0.117 * [backup-simplify]: Simplify (- 0) into 0
0.117 * [backup-simplify]: Simplify (+ 0 0) into 0
0.117 * [backup-simplify]: Simplify (* 2.0 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
0.117 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.117 * [backup-simplify]: Simplify (- y) into (- y)
0.117 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y)
0.118 * [backup-simplify]: Simplify (+ (* 2.0 (- y)) (* 0 0)) into (- (* 2.0 y))
0.118 * [taylor]: Taking taylor expansion of (- (* 2.0 y)) in y
0.118 * [taylor]: Taking taylor expansion of (* 2.0 y) in y
0.118 * [taylor]: Taking taylor expansion of 2.0 in y
0.118 * [backup-simplify]: Simplify 2.0 into 2.0
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
0.118 * [backup-simplify]: Simplify (* 2.0 0) into 0
0.118 * [backup-simplify]: Simplify (- 0) into 0
0.118 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify 0 into 0
0.119 * [backup-simplify]: Simplify (* 1 1) into 1
0.119 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
0.119 * [backup-simplify]: Simplify (- 0) into 0
0.119 * [backup-simplify]: Simplify (+ 1 0) into 1
0.120 * [backup-simplify]: Simplify (+ (* 2.0 1) (+ (* 0 (- y)) (* 0 0))) into 2.0
0.120 * [taylor]: Taking taylor expansion of 2.0 in y
0.120 * [backup-simplify]: Simplify 2.0 into 2.0
0.120 * [backup-simplify]: Simplify 2.0 into 2.0
0.121 * [backup-simplify]: Simplify (+ (* 2.0 1) (* 0 0)) into 2.0
0.121 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)
0.121 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)
0.121 * [backup-simplify]: Simplify 0 into 0
0.122 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.122 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
0.123 * [backup-simplify]: Simplify (- 0) into 0
0.123 * [backup-simplify]: Simplify (+ 0 0) into 0
0.124 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 1) (+ (* 0 (- y)) (* 0 0)))) into 0
0.124 * [taylor]: Taking taylor expansion of 0 in y
0.124 * [backup-simplify]: Simplify 0 into 0
0.124 * [backup-simplify]: Simplify 0 into 0
0.124 * [backup-simplify]: Simplify 0 into 0
0.124 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 1) (* 0 0))) into 0
0.124 * [backup-simplify]: Simplify (- 0) into 0
0.124 * [backup-simplify]: Simplify 0 into 0
0.124 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.126 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.126 * [backup-simplify]: Simplify (- 0) into 0
0.126 * [backup-simplify]: Simplify (+ 0 0) into 0
0.127 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 1) (+ (* 0 (- y)) (* 0 0))))) into 0
0.127 * [taylor]: Taking taylor expansion of 0 in y
0.127 * [backup-simplify]: Simplify 0 into 0
0.127 * [backup-simplify]: Simplify 0 into 0
0.128 * [backup-simplify]: Simplify (+ (* (- 2.0) (* y x)) (* 2.0 (pow (* 1 x) 2))) into (- (* 2.0 (pow x 2)) (* 2.0 (* x y)))
0.128 * [backup-simplify]: Simplify (* 2.0 (- (* (/ 1 x) (/ 1 x)) (* (/ 1 x) (/ 1 y)))) into (* 2.0 (- (/ 1 (pow x 2)) (/ 1 (* x y))))
0.128 * [approximate]: Taking taylor expansion of (* 2.0 (- (/ 1 (pow x 2)) (/ 1 (* x y)))) in (x y) around 0
0.128 * [taylor]: Taking taylor expansion of (* 2.0 (- (/ 1 (pow x 2)) (/ 1 (* x y)))) in y
0.128 * [taylor]: Taking taylor expansion of 2.0 in y
0.128 * [backup-simplify]: Simplify 2.0 into 2.0
0.128 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in y
0.128 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.128 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.128 * [taylor]: Taking taylor expansion of x in y
0.128 * [backup-simplify]: Simplify x into x
0.128 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.128 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.128 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.128 * [taylor]: Taking taylor expansion of (* x y) in y
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 y in y
0.128 * [backup-simplify]: Simplify 0 into 0
0.128 * [backup-simplify]: Simplify 1 into 1
0.128 * [backup-simplify]: Simplify (* x 0) into 0
0.129 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
0.129 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.129 * [taylor]: Taking taylor expansion of (* 2.0 (- (/ 1 (pow x 2)) (/ 1 (* x y)))) in x
0.129 * [taylor]: Taking taylor expansion of 2.0 in x
0.129 * [backup-simplify]: Simplify 2.0 into 2.0
0.129 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x
0.129 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.129 * [taylor]: Taking taylor expansion of (pow x 2) in x
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 * [backup-simplify]: Simplify (* 1 1) into 1
0.129 * [backup-simplify]: Simplify (/ 1 1) into 1
0.129 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.129 * [taylor]: Taking taylor expansion of (* x y) in x
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 y in x
0.129 * [backup-simplify]: Simplify y into y
0.129 * [backup-simplify]: Simplify (* 0 y) into 0
0.130 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.130 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.130 * [taylor]: Taking taylor expansion of (* 2.0 (- (/ 1 (pow x 2)) (/ 1 (* x y)))) in x
0.130 * [taylor]: Taking taylor expansion of 2.0 in x
0.130 * [backup-simplify]: Simplify 2.0 into 2.0
0.130 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x
0.130 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.130 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.130 * [taylor]: Taking taylor expansion of x in x
0.130 * [backup-simplify]: Simplify 0 into 0
0.130 * [backup-simplify]: Simplify 1 into 1
0.130 * [backup-simplify]: Simplify (* 1 1) into 1
0.130 * [backup-simplify]: Simplify (/ 1 1) into 1
0.130 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.130 * [taylor]: Taking taylor expansion of (* x y) in x
0.130 * [taylor]: Taking taylor expansion of x in x
0.130 * [backup-simplify]: Simplify 0 into 0
0.130 * [backup-simplify]: Simplify 1 into 1
0.130 * [taylor]: Taking taylor expansion of y in x
0.130 * [backup-simplify]: Simplify y into y
0.130 * [backup-simplify]: Simplify (* 0 y) into 0
0.131 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.131 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.131 * [backup-simplify]: Simplify (+ 1 0) into 1
0.131 * [backup-simplify]: Simplify (* 2.0 1) into 2.0
0.131 * [taylor]: Taking taylor expansion of 2.0 in y
0.131 * [backup-simplify]: Simplify 2.0 into 2.0
0.132 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.132 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.132 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
0.132 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
0.132 * [backup-simplify]: Simplify (+ (* 2.0 (- (/ 1 y))) (* 0 1)) into (- (* 2.0 (/ 1 y)))
0.132 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.132 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.132 * [taylor]: Taking taylor expansion of 2.0 in y
0.133 * [backup-simplify]: Simplify 2.0 into 2.0
0.133 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.133 * [taylor]: Taking taylor expansion of y in y
0.133 * [backup-simplify]: Simplify 0 into 0
0.133 * [backup-simplify]: Simplify 1 into 1
0.133 * [backup-simplify]: Simplify (/ 1 1) into 1
0.133 * [backup-simplify]: Simplify (* 2.0 1) into 2.0
0.133 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)
0.134 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)
0.134 * [backup-simplify]: Simplify 2.0 into 2.0
0.134 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.135 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.135 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
0.135 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.135 * [backup-simplify]: Simplify (- 0) into 0
0.136 * [backup-simplify]: Simplify (+ 0 0) into 0
0.136 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 (- (/ 1 y))) (* 0 1))) into 0
0.136 * [taylor]: Taking taylor expansion of 0 in y
0.136 * [backup-simplify]: Simplify 0 into 0
0.137 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.137 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 1)) into 0
0.137 * [backup-simplify]: Simplify (- 0) into 0
0.137 * [backup-simplify]: Simplify 0 into 0
0.137 * [backup-simplify]: Simplify 0 into 0
0.138 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.138 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.139 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
0.139 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.139 * [backup-simplify]: Simplify (- 0) into 0
0.140 * [backup-simplify]: Simplify (+ 0 0) into 0
0.140 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1)))) 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
0.141 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.141 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 1))) into 0
0.142 * [backup-simplify]: Simplify (- 0) into 0
0.142 * [backup-simplify]: Simplify 0 into 0
0.142 * [backup-simplify]: Simplify 0 into 0
0.142 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.143 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.144 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.144 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.144 * [backup-simplify]: Simplify (- 0) into 0
0.144 * [backup-simplify]: Simplify (+ 0 0) into 0
0.145 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1))))) 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
0.146 * [backup-simplify]: Simplify (+ (* 2.0 (pow (* 1 (/ 1 (/ 1 x))) 2)) (* (- 2.0) (* (/ 1 (/ 1 y)) (/ 1 (/ 1 x))))) into (- (* 2.0 (pow x 2)) (* 2.0 (* x y)))
0.146 * [backup-simplify]: Simplify (* 2.0 (- (* (/ 1 (- x)) (/ 1 (- x))) (* (/ 1 (- x)) (/ 1 (- y))))) into (* 2.0 (- (/ 1 (pow x 2)) (/ 1 (* x y))))
0.146 * [approximate]: Taking taylor expansion of (* 2.0 (- (/ 1 (pow x 2)) (/ 1 (* x y)))) in (x y) around 0
0.146 * [taylor]: Taking taylor expansion of (* 2.0 (- (/ 1 (pow x 2)) (/ 1 (* x y)))) in y
0.146 * [taylor]: Taking taylor expansion of 2.0 in y
0.146 * [backup-simplify]: Simplify 2.0 into 2.0
0.146 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in y
0.146 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.146 * [taylor]: Taking taylor expansion of (pow x 2) 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 (* x x) into (pow x 2)
0.146 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
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
0.147 * [taylor]: Taking taylor expansion of y in y
0.147 * [backup-simplify]: Simplify 0 into 0
0.147 * [backup-simplify]: Simplify 1 into 1
0.147 * [backup-simplify]: Simplify (* x 0) into 0
0.147 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
0.147 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.147 * [taylor]: Taking taylor expansion of (* 2.0 (- (/ 1 (pow x 2)) (/ 1 (* x y)))) in x
0.147 * [taylor]: Taking taylor expansion of 2.0 in x
0.147 * [backup-simplify]: Simplify 2.0 into 2.0
0.147 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x
0.147 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.147 * [taylor]: Taking taylor expansion of (pow x 2) 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 * [backup-simplify]: Simplify (/ 1 1) into 1
0.147 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.148 * [taylor]: Taking taylor expansion of (* x y) 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 * [taylor]: Taking taylor expansion of y in x
0.148 * [backup-simplify]: Simplify y into y
0.148 * [backup-simplify]: Simplify (* 0 y) into 0
0.148 * [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 (* 2.0 (- (/ 1 (pow x 2)) (/ 1 (* x y)))) in x
0.148 * [taylor]: Taking taylor expansion of 2.0 in x
0.148 * [backup-simplify]: Simplify 2.0 into 2.0
0.148 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x
0.148 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.148 * [taylor]: Taking taylor expansion of (pow x 2) 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
0.149 * [backup-simplify]: Simplify (/ 1 1) into 1
0.149 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.149 * [taylor]: Taking taylor expansion of (* x y) in x
0.149 * [taylor]: Taking taylor expansion of x in x
0.149 * [backup-simplify]: Simplify 0 into 0
0.149 * [backup-simplify]: Simplify 1 into 1
0.149 * [taylor]: Taking taylor expansion of y in x
0.149 * [backup-simplify]: Simplify y into y
0.149 * [backup-simplify]: Simplify (* 0 y) into 0
0.149 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.149 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.149 * [backup-simplify]: Simplify (+ 1 0) into 1
0.149 * [backup-simplify]: Simplify (* 2.0 1) into 2.0
0.149 * [taylor]: Taking taylor expansion of 2.0 in y
0.150 * [backup-simplify]: Simplify 2.0 into 2.0
0.150 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.150 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.150 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
0.150 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
0.151 * [backup-simplify]: Simplify (+ (* 2.0 (- (/ 1 y))) (* 0 1)) into (- (* 2.0 (/ 1 y)))
0.151 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.151 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.151 * [taylor]: Taking taylor expansion of 2.0 in y
0.151 * [backup-simplify]: Simplify 2.0 into 2.0
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 * [backup-simplify]: Simplify (* 2.0 1) into 2.0
0.152 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)
0.152 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)
0.152 * [backup-simplify]: Simplify 2.0 into 2.0
0.152 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.153 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.153 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
0.153 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.154 * [backup-simplify]: Simplify (- 0) into 0
0.154 * [backup-simplify]: Simplify (+ 0 0) into 0
0.155 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 (- (/ 1 y))) (* 0 1))) into 0
0.155 * [taylor]: Taking taylor expansion of 0 in y
0.155 * [backup-simplify]: Simplify 0 into 0
0.155 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.155 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 1)) into 0
0.156 * [backup-simplify]: Simplify (- 0) into 0
0.156 * [backup-simplify]: Simplify 0 into 0
0.156 * [backup-simplify]: Simplify 0 into 0
0.156 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.157 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.157 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
0.157 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.158 * [backup-simplify]: Simplify (- 0) into 0
0.158 * [backup-simplify]: Simplify (+ 0 0) into 0
0.159 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1)))) into 0
0.159 * [taylor]: Taking taylor expansion of 0 in y
0.159 * [backup-simplify]: Simplify 0 into 0
0.159 * [backup-simplify]: Simplify 0 into 0
0.159 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.160 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 1))) into 0
0.160 * [backup-simplify]: Simplify (- 0) into 0
0.160 * [backup-simplify]: Simplify 0 into 0
0.160 * [backup-simplify]: Simplify 0 into 0
0.161 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.161 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.162 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.162 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.162 * [backup-simplify]: Simplify (- 0) into 0
0.162 * [backup-simplify]: Simplify (+ 0 0) into 0
0.163 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1))))) into 0
0.164 * [taylor]: Taking taylor expansion of 0 in y
0.164 * [backup-simplify]: Simplify 0 into 0
0.164 * [backup-simplify]: Simplify 0 into 0
0.164 * [backup-simplify]: Simplify (+ (* 2.0 (pow (* 1 (/ 1 (/ 1 (- x)))) 2)) (* (- 2.0) (* (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x)))))) into (- (* 2.0 (pow x 2)) (* 2.0 (* x y)))
0.164 * * * [progress]: simplifying candidates
0.165 * [simplify]: Simplifying:
  (* 2.0 (- (* x x) (* x y)))
  (+ (log 2.0) (log (- (* x x) (* x y))))
  (log (* 2.0 (- (* x x) (* x y))))
  (exp (* 2.0 (- (* x x) (* x y))))
  (* (* (* 2.0 2.0) 2.0) (* (* (- (* x x) (* x y)) (- (* x x) (* x y))) (- (* x x) (* x y))))
  (* (cbrt (* 2.0 (- (* x x) (* x y)))) (cbrt (* 2.0 (- (* x x) (* x y)))))
  (cbrt (* 2.0 (- (* x x) (* x y))))
  (* (* (* 2.0 (- (* x x) (* x y))) (* 2.0 (- (* x x) (* x y)))) (* 2.0 (- (* x x) (* x y))))
  (sqrt (* 2.0 (- (* x x) (* x y))))
  (sqrt (* 2.0 (- (* x x) (* x y))))
  (* (sqrt 2.0) (sqrt (- (* x x) (* x y))))
  (* (sqrt 2.0) (sqrt (- (* x x) (* x y))))
  (* 2.0 (* x x))
  (* 2.0 (- (* x y)))
  (* 2.0 (* x x))
  (* 2.0 (- (* x y)))
  (* (* x x) 2.0)
  (* (- (* x y)) 2.0)
  (* (* x x) 2.0)
  (* (- (* x y)) 2.0)
  (* 2.0 (* (cbrt (- (* x x) (* x y))) (cbrt (- (* x x) (* x y)))))
  (* 2.0 (sqrt (- (* x x) (* x y))))
  (* 2.0 1)
  (* 2.0 x)
  (* (cbrt 2.0) (- (* x x) (* x y)))
  (* (sqrt 2.0) (- (* x x) (* x y)))
  (* 2.0 (- (* x x) (* x y)))
  (* 2.0 (- (pow (* x x) 3) (pow (* x y) 3)))
  (* 2.0 (- (* (* x x) (* x x)) (* (* x y) (* x y))))
  (- (* 2.0 (pow x 2)) (* 2.0 (* x y)))
  (- (* 2.0 (pow x 2)) (* 2.0 (* x y)))
  (- (* 2.0 (pow x 2)) (* 2.0 (* x y)))
0.165 * * [simplify]: Extracting # 0 : cost  0
0.165 * * [simplify]: Extracting # 1 : cost  0
0.165 * * [simplify]: Extracting # 2 : cost  0
0.165 * * [simplify]: Extracting # 3 : cost  0
0.165 * * [simplify]: Extracting # 4 : cost  0
0.166 * * [simplify]: Extracting # 5 : cost  0
0.166 * * [simplify]: Extracting # 6 : cost  0
0.166 * * [simplify]: Extracting # 7 : cost  0
0.166 * * [simplify]: iteration  0 :  54  enodes  (cost  342 )
0.182 * * [simplify]: Extracting # 0 : cost  0
0.183 * * [simplify]: Extracting # 1 : cost  0
0.183 * * [simplify]: Extracting # 2 : cost  0
0.183 * * [simplify]: Extracting # 3 : cost  0
0.183 * * [simplify]: Extracting # 4 : cost  0
0.183 * * [simplify]: iteration  1 :  134  enodes  (cost  279 )
0.224 * * [simplify]: Extracting # 0 : cost  0
0.225 * * [simplify]: Extracting # 1 : cost  0
0.225 * * [simplify]: Extracting # 2 : cost  0
0.226 * * [simplify]: Extracting # 3 : cost  0
0.226 * * [simplify]: Extracting # 4 : cost  0
0.227 * * [simplify]: iteration  2 :  443  enodes  (cost  247 )
0.492 * * [simplify]: Extracting # 0 : cost  0
0.495 * * [simplify]: Extracting # 1 : cost  0
0.497 * * [simplify]: Extracting # 2 : cost  0
0.499 * * [simplify]: Extracting # 3 : cost  0
0.501 * * [simplify]: Extracting # 4 : cost  0
0.503 * * [simplify]: iteration  3 :  2107  enodes  (cost  247 )
1.178 * * [simplify]: Extracting # 0 : cost  0
1.183 * * [simplify]: Extracting # 1 : cost  0
1.189 * * [simplify]: Extracting # 2 : cost  0
1.195 * * [simplify]: Extracting # 3 : cost  0
1.206 * * [simplify]: Extracting # 4 : cost  0
1.212 * * [simplify]: iteration done:  5001  enodes  (cost  247 )
1.213 * [simplify]: Simplified to:
  (* (* x (- x y)) 2.0)
  (log (* (* x (- x y)) 2.0))
  (log (* (* x (- x y)) 2.0))
  (exp (* (* x (- x y)) 2.0))
  (pow (* (* x (- x y)) 2.0) 3)
  (* (cbrt (* (* x (- x y)) 2.0)) (cbrt (* (* x (- x y)) 2.0)))
  (cbrt (* (* x (- x y)) 2.0))
  (pow (* (* x (- x y)) 2.0) 3)
  (sqrt (* (* x (- x y)) 2.0))
  (sqrt (* (* x (- x y)) 2.0))
  (* (sqrt 2.0) (sqrt (* x (- x y))))
  (* (sqrt 2.0) (sqrt (* x (- x y))))
  (* 2.0 (* x x))
  (* (- (* x y)) 2.0)
  (* 2.0 (* x x))
  (* (- (* x y)) 2.0)
  (* 2.0 (* x x))
  (* (- (* x y)) 2.0)
  (* 2.0 (* x x))
  (* (- (* x y)) 2.0)
  (* (* (cbrt (* x (- x y))) (cbrt (* x (- x y)))) 2.0)
  (* 2.0 (sqrt (* x (- x y))))
  2.0
  (* 2.0 x)
  (* (* x (- x y)) (cbrt 2.0))
  (* (* x (- x y)) (sqrt 2.0))
  (* (* x (- x y)) 2.0)
  (* 2.0 (- (pow x 6) (pow (* x y) 3)))
  (* (- (pow x 4) (* (* x y) (* x y))) 2.0)
  (* (* x (- x y)) 2.0)
  (* (* x (- x y)) 2.0)
  (* (* x (- x y)) 2.0)
1.213 * * * [progress]: adding candidates to table
1.257 * * [progress]: iteration 2 / 4
1.257 * * * [progress]: picking best candidate
1.258 * * * * [pick]: Picked  #<alt (λ (x y) (* (* 2.0 x) (- x y)))>
1.258 * * * [progress]: localizing error
1.263 * * * [progress]: generating rewritten candidates
1.263 * * * [progress]: generating series expansions
1.263 * * * [progress]: simplifying candidates
1.263 * [simplify]: Simplifying:
  
1.263 * * [simplify]: Extracting # 0 : cost  0
1.263 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
1.263 * * [simplify]: Extracting # 0 : cost  0
1.263 * * [simplify]: iteration done:  0  enodes  (cost  0 )
1.264 * [simplify]: Simplified to:
  
1.264 * * * [progress]: adding candidates to table
1.264 * [progress]: [Phase 3 of 3] Extracting.
1.265 * [simplify]: Simplifying:
  (* (* 2.0 x) (- x y))
1.265 * * [simplify]: Extracting # 0 : cost  0
1.265 * * [simplify]: Extracting # 1 : cost  0
1.265 * * [simplify]: Extracting # 2 : cost  0
1.265 * * [simplify]: Extracting # 3 : cost  0
1.265 * * [simplify]: Extracting # 4 : cost  0
1.265 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
1.266 * * [simplify]: Extracting # 0 : cost  0
1.266 * * [simplify]: iteration  1 :  8  enodes  (cost  7 )
1.266 * * [simplify]: Extracting # 0 : cost  0
1.266 * * [simplify]: iteration done:  8  enodes  (cost  7 )
1.266 * [simplify]: Simplified to:
  (* (* 2.0 x) (- x y))
1.747 * [regime-testing]: End program error score: 0.011376422052756595
1.765 * [regime-testing]: Target error score: 0.011376422052756595