4.803 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.033 * * * [progress]: [2/2] Setting up program.
0.037 * [progress]: [Phase 2 of 3] Improving.
0.037 * [simplify]: Simplifying:
  (- (* x x) (* (* y 4.0) z))
0.037 * * [simplify]: iteration 0: 8 enodes
0.038 * * [simplify]: iteration 1: 14 enodes
0.040 * * [simplify]: iteration 2: 32 enodes
0.046 * * [simplify]: iteration 3: 57 enodes
0.055 * * [simplify]: iteration 4: 69 enodes
0.064 * * [simplify]: iteration 5: 70 enodes
0.073 * * [simplify]: iteration complete: 70 enodes
0.073 * * [simplify]: Extracting #0: cost 1 inf + 0
0.073 * * [simplify]: Extracting #1: cost 4 inf + 0
0.073 * * [simplify]: Extracting #2: cost 17 inf + 0
0.073 * * [simplify]: Extracting #3: cost 9 inf + 210
0.074 * * [simplify]: Extracting #4: cost 0 inf + 910
0.074 * [simplify]: Simplified to:
  (- (* x x) (* (* y z) 4.0))
0.075 * * [progress]: iteration 1 / 4
0.075 * * * [progress]: picking best candidate
0.079 * * * * [pick]: Picked  #<alt (λ (x y z) (- (* x x) (* (* y 4.0) z)))>
0.079 * * * [progress]: localizing error
0.089 * * * [progress]: generating rewritten candidates
0.089 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.096 * * * [progress]: generating series expansions
0.097 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.097 * [backup-simplify]: Simplify (- (* x x) (* (* y 4.0) z)) into (- (pow x 2) (* 4.0 (* z y)))
0.097 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in (x y z) around 0
0.097 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in z
0.097 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.097 * [taylor]: Taking taylor expansion of x in z
0.097 * [backup-simplify]: Simplify x into x
0.097 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in z
0.097 * [taylor]: Taking taylor expansion of 4.0 in z
0.097 * [backup-simplify]: Simplify 4.0 into 4.0
0.097 * [taylor]: Taking taylor expansion of (* z y) in z
0.097 * [taylor]: Taking taylor expansion of z in z
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify 1 into 1
0.097 * [taylor]: Taking taylor expansion of y in z
0.097 * [backup-simplify]: Simplify y into y
0.097 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in y
0.097 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.097 * [taylor]: Taking taylor expansion of x in y
0.097 * [backup-simplify]: Simplify x into x
0.098 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.098 * [taylor]: Taking taylor expansion of 4.0 in y
0.098 * [backup-simplify]: Simplify 4.0 into 4.0
0.098 * [taylor]: Taking taylor expansion of (* z y) in y
0.098 * [taylor]: Taking taylor expansion of z in y
0.098 * [backup-simplify]: Simplify z into z
0.098 * [taylor]: Taking taylor expansion of y in y
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 1 into 1
0.098 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in x
0.098 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.098 * [taylor]: Taking taylor expansion of x in x
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 1 into 1
0.098 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.098 * [taylor]: Taking taylor expansion of 4.0 in x
0.098 * [backup-simplify]: Simplify 4.0 into 4.0
0.098 * [taylor]: Taking taylor expansion of (* z y) in x
0.098 * [taylor]: Taking taylor expansion of z in x
0.098 * [backup-simplify]: Simplify z into z
0.098 * [taylor]: Taking taylor expansion of y in x
0.098 * [backup-simplify]: Simplify y into y
0.098 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in x
0.098 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.098 * [taylor]: Taking taylor expansion of x in x
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 1 into 1
0.098 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.098 * [taylor]: Taking taylor expansion of 4.0 in x
0.098 * [backup-simplify]: Simplify 4.0 into 4.0
0.098 * [taylor]: Taking taylor expansion of (* z y) in x
0.099 * [taylor]: Taking taylor expansion of z in x
0.099 * [backup-simplify]: Simplify z into z
0.099 * [taylor]: Taking taylor expansion of y in x
0.099 * [backup-simplify]: Simplify y into y
0.099 * [backup-simplify]: Simplify (* z y) into (* z y)
0.099 * [backup-simplify]: Simplify (* 4.0 (* z y)) into (* 4.0 (* z y))
0.099 * [backup-simplify]: Simplify (- (* 4.0 (* z y))) into (- (* 4.0 (* z y)))
0.099 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (* z y)))) into (- (* 4.0 (* z y)))
0.099 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in y
0.099 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.099 * [taylor]: Taking taylor expansion of 4.0 in y
0.099 * [backup-simplify]: Simplify 4.0 into 4.0
0.099 * [taylor]: Taking taylor expansion of (* z y) in y
0.099 * [taylor]: Taking taylor expansion of z in y
0.099 * [backup-simplify]: Simplify z into z
0.100 * [taylor]: Taking taylor expansion of y in y
0.100 * [backup-simplify]: Simplify 0 into 0
0.100 * [backup-simplify]: Simplify 1 into 1
0.100 * [backup-simplify]: Simplify (* z 0) into 0
0.100 * [backup-simplify]: Simplify (* 4.0 0) into 0
0.101 * [backup-simplify]: Simplify (- 0) into 0
0.101 * [taylor]: Taking taylor expansion of 0 in z
0.101 * [backup-simplify]: Simplify 0 into 0
0.101 * [backup-simplify]: Simplify 0 into 0
0.101 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.102 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (* z y))) into 0
0.102 * [backup-simplify]: Simplify (- 0) into 0
0.103 * [backup-simplify]: Simplify (+ 0 0) into 0
0.103 * [taylor]: Taking taylor expansion of 0 in y
0.103 * [backup-simplify]: Simplify 0 into 0
0.103 * [taylor]: Taking taylor expansion of 0 in z
0.103 * [backup-simplify]: Simplify 0 into 0
0.103 * [backup-simplify]: Simplify 0 into 0
0.104 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.104 * [backup-simplify]: Simplify (+ (* 4.0 z) (* 0 0)) into (* 4.0 z)
0.104 * [backup-simplify]: Simplify (- (* 4.0 z)) into (- (* 4.0 z))
0.104 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z
0.104 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.104 * [taylor]: Taking taylor expansion of 4.0 in z
0.105 * [backup-simplify]: Simplify 4.0 into 4.0
0.105 * [taylor]: Taking taylor expansion of z in z
0.105 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify 1 into 1
0.105 * [backup-simplify]: Simplify (* 4.0 0) into 0
0.106 * [backup-simplify]: Simplify (- 0) into 0
0.106 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify (* 1 1) into 1
0.107 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.108 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (* z y)))) into 0
0.108 * [backup-simplify]: Simplify (- 0) into 0
0.109 * [backup-simplify]: Simplify (+ 1 0) into 1
0.109 * [taylor]: Taking taylor expansion of 1 in y
0.109 * [backup-simplify]: Simplify 1 into 1
0.109 * [taylor]: Taking taylor expansion of 1 in z
0.109 * [backup-simplify]: Simplify 1 into 1
0.109 * [backup-simplify]: Simplify 1 into 1
0.109 * [taylor]: Taking taylor expansion of 0 in z
0.109 * [backup-simplify]: Simplify 0 into 0
0.109 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.119 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 z) (* 0 0))) into 0
0.119 * [backup-simplify]: Simplify (- 0) into 0
0.119 * [taylor]: Taking taylor expansion of 0 in z
0.119 * [backup-simplify]: Simplify 0 into 0
0.119 * [backup-simplify]: Simplify 0 into 0
0.120 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify (+ (* 4.0 1) (* 0 0)) into 4.0
0.121 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.122 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.122 * [backup-simplify]: Simplify 0 into 0
0.123 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.123 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.125 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (* z y))))) into 0
0.125 * [backup-simplify]: Simplify (- 0) into 0
0.125 * [backup-simplify]: Simplify (+ 0 0) into 0
0.126 * [taylor]: Taking taylor expansion of 0 in y
0.126 * [backup-simplify]: Simplify 0 into 0
0.126 * [taylor]: Taking taylor expansion of 0 in z
0.126 * [backup-simplify]: Simplify 0 into 0
0.126 * [backup-simplify]: Simplify 0 into 0
0.126 * [taylor]: Taking taylor expansion of 0 in z
0.126 * [backup-simplify]: Simplify 0 into 0
0.126 * [backup-simplify]: Simplify 0 into 0
0.126 * [taylor]: Taking taylor expansion of 0 in z
0.126 * [backup-simplify]: Simplify 0 into 0
0.126 * [backup-simplify]: Simplify 0 into 0
0.127 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.128 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 z) (* 0 0)))) into 0
0.129 * [backup-simplify]: Simplify (- 0) into 0
0.129 * [taylor]: Taking taylor expansion of 0 in z
0.129 * [backup-simplify]: Simplify 0 into 0
0.129 * [backup-simplify]: Simplify 0 into 0
0.129 * [backup-simplify]: Simplify 0 into 0
0.130 * [backup-simplify]: Simplify (+ (* (- 4.0) (* z (* y 1))) (* 1 (pow (* 1 (* 1 x)) 2))) into (- (pow x 2) (* 4.0 (* z y)))
0.130 * [backup-simplify]: Simplify (- (* (/ 1 x) (/ 1 x)) (* (* (/ 1 y) 4.0) (/ 1 z))) into (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y))))
0.130 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.130 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in z
0.130 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in z
0.130 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.130 * [taylor]: Taking taylor expansion of x in z
0.130 * [backup-simplify]: Simplify x into x
0.130 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.130 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.130 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.131 * [taylor]: Taking taylor expansion of 4.0 in z
0.131 * [backup-simplify]: Simplify 4.0 into 4.0
0.131 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.131 * [taylor]: Taking taylor expansion of (* z y) in z
0.131 * [taylor]: Taking taylor expansion of z in z
0.131 * [backup-simplify]: Simplify 0 into 0
0.131 * [backup-simplify]: Simplify 1 into 1
0.131 * [taylor]: Taking taylor expansion of y in z
0.131 * [backup-simplify]: Simplify y into y
0.131 * [backup-simplify]: Simplify (* 0 y) into 0
0.131 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.132 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.132 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in y
0.132 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.132 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.132 * [taylor]: Taking taylor expansion of x in y
0.132 * [backup-simplify]: Simplify x into x
0.132 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.132 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.132 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.132 * [taylor]: Taking taylor expansion of 4.0 in y
0.132 * [backup-simplify]: Simplify 4.0 into 4.0
0.132 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.132 * [taylor]: Taking taylor expansion of (* z y) in y
0.132 * [taylor]: Taking taylor expansion of z in y
0.132 * [backup-simplify]: Simplify z into z
0.132 * [taylor]: Taking taylor expansion of y in y
0.132 * [backup-simplify]: Simplify 0 into 0
0.132 * [backup-simplify]: Simplify 1 into 1
0.132 * [backup-simplify]: Simplify (* z 0) into 0
0.133 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.133 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.133 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.133 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.133 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.133 * [taylor]: Taking taylor expansion of x in x
0.133 * [backup-simplify]: Simplify 0 into 0
0.133 * [backup-simplify]: Simplify 1 into 1
0.134 * [backup-simplify]: Simplify (* 1 1) into 1
0.134 * [backup-simplify]: Simplify (/ 1 1) into 1
0.134 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.134 * [taylor]: Taking taylor expansion of 4.0 in x
0.134 * [backup-simplify]: Simplify 4.0 into 4.0
0.134 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.134 * [taylor]: Taking taylor expansion of (* z y) in x
0.134 * [taylor]: Taking taylor expansion of z in x
0.134 * [backup-simplify]: Simplify z into z
0.134 * [taylor]: Taking taylor expansion of y in x
0.134 * [backup-simplify]: Simplify y into y
0.135 * [backup-simplify]: Simplify (* z y) into (* z y)
0.135 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.135 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.135 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.135 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.135 * [taylor]: Taking taylor expansion of x in x
0.135 * [backup-simplify]: Simplify 0 into 0
0.135 * [backup-simplify]: Simplify 1 into 1
0.135 * [backup-simplify]: Simplify (* 1 1) into 1
0.136 * [backup-simplify]: Simplify (/ 1 1) into 1
0.136 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.136 * [taylor]: Taking taylor expansion of 4.0 in x
0.136 * [backup-simplify]: Simplify 4.0 into 4.0
0.136 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.136 * [taylor]: Taking taylor expansion of (* z y) in x
0.136 * [taylor]: Taking taylor expansion of z in x
0.136 * [backup-simplify]: Simplify z into z
0.136 * [taylor]: Taking taylor expansion of y in x
0.136 * [backup-simplify]: Simplify y into y
0.136 * [backup-simplify]: Simplify (* z y) into (* z y)
0.136 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.136 * [backup-simplify]: Simplify (+ 1 0) into 1
0.136 * [taylor]: Taking taylor expansion of 1 in y
0.136 * [backup-simplify]: Simplify 1 into 1
0.137 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.137 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.138 * [backup-simplify]: Simplify (+ 0 0) into 0
0.138 * [taylor]: Taking taylor expansion of 0 in y
0.138 * [backup-simplify]: Simplify 0 into 0
0.138 * [taylor]: Taking taylor expansion of 1 in z
0.138 * [backup-simplify]: Simplify 1 into 1
0.138 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.139 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.139 * [backup-simplify]: Simplify (* 4.0 (/ 1 (* z y))) into (/ 4.0 (* z y))
0.139 * [backup-simplify]: Simplify (- (/ 4.0 (* z y))) into (- (* 4.0 (/ 1 (* z y))))
0.139 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (/ 1 (* z y))))) into (- (* 4.0 (/ 1 (* z y))))
0.139 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.139 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.139 * [taylor]: Taking taylor expansion of 4.0 in y
0.139 * [backup-simplify]: Simplify 4.0 into 4.0
0.139 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.139 * [taylor]: Taking taylor expansion of (* z y) in y
0.139 * [taylor]: Taking taylor expansion of z in y
0.139 * [backup-simplify]: Simplify z into z
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 (* z 0) into 0
0.140 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.140 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.140 * [backup-simplify]: Simplify (* 4.0 (/ 1 z)) into (/ 4.0 z)
0.140 * [backup-simplify]: Simplify (- (/ 4.0 z)) into (- (* 4.0 (/ 1 z)))
0.140 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.140 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.140 * [taylor]: Taking taylor expansion of 4.0 in z
0.140 * [backup-simplify]: Simplify 4.0 into 4.0
0.140 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.140 * [taylor]: Taking taylor expansion of z in z
0.140 * [backup-simplify]: Simplify 0 into 0
0.140 * [backup-simplify]: Simplify 1 into 1
0.140 * [backup-simplify]: Simplify (/ 1 1) into 1
0.141 * [backup-simplify]: Simplify (* 4.0 1) into 4.0
0.141 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.141 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.141 * [taylor]: Taking taylor expansion of 0 in z
0.141 * [backup-simplify]: Simplify 0 into 0
0.141 * [taylor]: Taking taylor expansion of 0 in z
0.142 * [backup-simplify]: Simplify 0 into 0
0.142 * [backup-simplify]: Simplify 1 into 1
0.142 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.143 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.143 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.143 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))))) into 0
0.144 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 (* z y)))) into 0
0.144 * [backup-simplify]: Simplify (- 0) into 0
0.144 * [backup-simplify]: Simplify (+ 0 0) into 0
0.144 * [taylor]: Taking taylor expansion of 0 in y
0.144 * [backup-simplify]: Simplify 0 into 0
0.145 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.145 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
0.145 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 z))) into 0
0.145 * [backup-simplify]: Simplify (- 0) into 0
0.145 * [taylor]: Taking taylor expansion of 0 in z
0.145 * [backup-simplify]: Simplify 0 into 0
0.145 * [taylor]: Taking taylor expansion of 0 in z
0.145 * [backup-simplify]: Simplify 0 into 0
0.145 * [taylor]: Taking taylor expansion of 0 in z
0.145 * [backup-simplify]: Simplify 0 into 0
0.146 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.146 * [backup-simplify]: Simplify (+ (* 4.0 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 0 into 0
0.147 * [backup-simplify]: Simplify 0 into 0
0.147 * [backup-simplify]: Simplify 0 into 0
0.148 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.148 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.149 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.149 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.149 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 (* z y))))) into 0
0.150 * [backup-simplify]: Simplify (- 0) 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 * [taylor]: Taking taylor expansion of 0 in z
0.150 * [backup-simplify]: Simplify 0 into 0
0.150 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.151 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.151 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
0.151 * [backup-simplify]: Simplify (- 0) into 0
0.151 * [taylor]: Taking taylor expansion of 0 in z
0.151 * [backup-simplify]: Simplify 0 into 0
0.152 * [taylor]: Taking taylor expansion of 0 in z
0.152 * [backup-simplify]: Simplify 0 into 0
0.152 * [taylor]: Taking taylor expansion of 0 in z
0.152 * [backup-simplify]: Simplify 0 into 0
0.152 * [backup-simplify]: Simplify 0 into 0
0.152 * [backup-simplify]: Simplify 0 into 0
0.152 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (* 1 (/ 1 (/ 1 x)))) 2)) (* (- 4.0) (* (/ 1 (/ 1 z)) (* (/ 1 (/ 1 y)) 1)))) into (- (pow x 2) (* 4.0 (* z y)))
0.152 * [backup-simplify]: Simplify (- (* (/ 1 (- x)) (/ 1 (- x))) (* (* (/ 1 (- y)) 4.0) (/ 1 (- z)))) into (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y))))
0.152 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.153 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in z
0.153 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in z
0.153 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.153 * [taylor]: Taking taylor expansion of x in z
0.153 * [backup-simplify]: Simplify x into x
0.153 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.153 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.153 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.153 * [taylor]: Taking taylor expansion of 4.0 in z
0.153 * [backup-simplify]: Simplify 4.0 into 4.0
0.153 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.153 * [taylor]: Taking taylor expansion of (* z y) in z
0.153 * [taylor]: Taking taylor expansion of z in z
0.153 * [backup-simplify]: Simplify 0 into 0
0.153 * [backup-simplify]: Simplify 1 into 1
0.153 * [taylor]: Taking taylor expansion of y in z
0.153 * [backup-simplify]: Simplify y into y
0.153 * [backup-simplify]: Simplify (* 0 y) into 0
0.153 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.153 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.153 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in y
0.153 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.153 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.153 * [taylor]: Taking taylor expansion of x in y
0.154 * [backup-simplify]: Simplify x into x
0.154 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.154 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.154 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.154 * [taylor]: Taking taylor expansion of 4.0 in y
0.154 * [backup-simplify]: Simplify 4.0 into 4.0
0.154 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.154 * [taylor]: Taking taylor expansion of (* z y) in y
0.154 * [taylor]: Taking taylor expansion of z in y
0.154 * [backup-simplify]: Simplify z into z
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 (* z 0) into 0
0.154 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.154 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.154 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.154 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.154 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.154 * [taylor]: Taking taylor expansion of x in x
0.154 * [backup-simplify]: Simplify 0 into 0
0.154 * [backup-simplify]: Simplify 1 into 1
0.155 * [backup-simplify]: Simplify (* 1 1) into 1
0.155 * [backup-simplify]: Simplify (/ 1 1) into 1
0.155 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.155 * [taylor]: Taking taylor expansion of 4.0 in x
0.155 * [backup-simplify]: Simplify 4.0 into 4.0
0.155 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.155 * [taylor]: Taking taylor expansion of (* z y) in x
0.155 * [taylor]: Taking taylor expansion of z in x
0.155 * [backup-simplify]: Simplify z into z
0.155 * [taylor]: Taking taylor expansion of y in x
0.155 * [backup-simplify]: Simplify y into y
0.155 * [backup-simplify]: Simplify (* z y) into (* z y)
0.155 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.155 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.155 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.155 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.155 * [taylor]: Taking taylor expansion of x in x
0.155 * [backup-simplify]: Simplify 0 into 0
0.155 * [backup-simplify]: Simplify 1 into 1
0.156 * [backup-simplify]: Simplify (* 1 1) into 1
0.156 * [backup-simplify]: Simplify (/ 1 1) into 1
0.156 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.156 * [taylor]: Taking taylor expansion of 4.0 in x
0.156 * [backup-simplify]: Simplify 4.0 into 4.0
0.156 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.156 * [taylor]: Taking taylor expansion of (* z y) in x
0.156 * [taylor]: Taking taylor expansion of z in x
0.156 * [backup-simplify]: Simplify z into z
0.156 * [taylor]: Taking taylor expansion of y in x
0.156 * [backup-simplify]: Simplify y into y
0.156 * [backup-simplify]: Simplify (* z y) into (* z y)
0.156 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.157 * [backup-simplify]: Simplify (+ 1 0) into 1
0.157 * [taylor]: Taking taylor expansion of 1 in y
0.157 * [backup-simplify]: Simplify 1 into 1
0.157 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.157 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.158 * [backup-simplify]: Simplify (+ 0 0) into 0
0.158 * [taylor]: Taking taylor expansion of 0 in y
0.158 * [backup-simplify]: Simplify 0 into 0
0.158 * [taylor]: Taking taylor expansion of 1 in z
0.158 * [backup-simplify]: Simplify 1 into 1
0.158 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.159 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.159 * [backup-simplify]: Simplify (* 4.0 (/ 1 (* z y))) into (/ 4.0 (* z y))
0.159 * [backup-simplify]: Simplify (- (/ 4.0 (* z y))) into (- (* 4.0 (/ 1 (* z y))))
0.159 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (/ 1 (* z y))))) into (- (* 4.0 (/ 1 (* z y))))
0.159 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.159 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.159 * [taylor]: Taking taylor expansion of 4.0 in y
0.159 * [backup-simplify]: Simplify 4.0 into 4.0
0.159 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.159 * [taylor]: Taking taylor expansion of (* z y) in y
0.159 * [taylor]: Taking taylor expansion of z in y
0.159 * [backup-simplify]: Simplify z into z
0.159 * [taylor]: Taking taylor expansion of y in y
0.159 * [backup-simplify]: Simplify 0 into 0
0.159 * [backup-simplify]: Simplify 1 into 1
0.159 * [backup-simplify]: Simplify (* z 0) into 0
0.160 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.160 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.160 * [backup-simplify]: Simplify (* 4.0 (/ 1 z)) into (/ 4.0 z)
0.160 * [backup-simplify]: Simplify (- (/ 4.0 z)) into (- (* 4.0 (/ 1 z)))
0.160 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.160 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.160 * [taylor]: Taking taylor expansion of 4.0 in z
0.160 * [backup-simplify]: Simplify 4.0 into 4.0
0.160 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.160 * [taylor]: Taking taylor expansion of z in z
0.160 * [backup-simplify]: Simplify 0 into 0
0.160 * [backup-simplify]: Simplify 1 into 1
0.161 * [backup-simplify]: Simplify (/ 1 1) into 1
0.161 * [backup-simplify]: Simplify (* 4.0 1) into 4.0
0.161 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.161 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.161 * [taylor]: Taking taylor expansion of 0 in z
0.161 * [backup-simplify]: Simplify 0 into 0
0.161 * [taylor]: Taking taylor expansion of 0 in z
0.161 * [backup-simplify]: Simplify 0 into 0
0.162 * [backup-simplify]: Simplify 1 into 1
0.162 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.163 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.163 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.163 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))))) into 0
0.163 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 (* z y)))) into 0
0.164 * [backup-simplify]: Simplify (- 0) into 0
0.164 * [backup-simplify]: Simplify (+ 0 0) 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 (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.164 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
0.165 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 z))) into 0
0.165 * [backup-simplify]: Simplify (- 0) into 0
0.165 * [taylor]: Taking taylor expansion of 0 in z
0.165 * [backup-simplify]: Simplify 0 into 0
0.165 * [taylor]: Taking taylor expansion of 0 in z
0.165 * [backup-simplify]: Simplify 0 into 0
0.165 * [taylor]: Taking taylor expansion of 0 in z
0.165 * [backup-simplify]: Simplify 0 into 0
0.166 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.166 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 1)) into 0
0.166 * [backup-simplify]: Simplify (- 0) into 0
0.166 * [backup-simplify]: Simplify 0 into 0
0.166 * [backup-simplify]: Simplify 0 into 0
0.166 * [backup-simplify]: Simplify 0 into 0
0.167 * [backup-simplify]: Simplify 0 into 0
0.167 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.168 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.168 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.168 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.169 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 (* z y))))) into 0
0.169 * [backup-simplify]: Simplify (- 0) into 0
0.170 * [backup-simplify]: Simplify (+ 0 0) into 0
0.170 * [taylor]: Taking taylor expansion of 0 in y
0.170 * [backup-simplify]: Simplify 0 into 0
0.170 * [taylor]: Taking taylor expansion of 0 in z
0.170 * [backup-simplify]: Simplify 0 into 0
0.170 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.171 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.171 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
0.171 * [backup-simplify]: Simplify (- 0) into 0
0.171 * [taylor]: Taking taylor expansion of 0 in z
0.171 * [backup-simplify]: Simplify 0 into 0
0.172 * [taylor]: Taking taylor expansion of 0 in z
0.172 * [backup-simplify]: Simplify 0 into 0
0.172 * [taylor]: Taking taylor expansion of 0 in z
0.172 * [backup-simplify]: Simplify 0 into 0
0.172 * [backup-simplify]: Simplify 0 into 0
0.172 * [backup-simplify]: Simplify 0 into 0
0.172 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (* 1 (/ 1 (/ 1 (- x))))) 2)) (* (- 4.0) (* (/ 1 (/ 1 (- z))) (* (/ 1 (/ 1 (- y))) 1)))) into (- (pow x 2) (* 4.0 (* z y)))
0.173 * * * [progress]: simplifying candidates
0.173 * [simplify]: Simplifying:
  (/ (exp (* x x)) (exp (* (* y 4.0) z)))
  (log (- (* x x) (* (* y 4.0) z)))
  (exp (- (* x x) (* (* y 4.0) z)))
  (* (cbrt (- (* x x) (* (* y 4.0) z))) (cbrt (- (* x x) (* (* y 4.0) z))))
  (cbrt (- (* x x) (* (* y 4.0) z)))
  (* (* (- (* x x) (* (* y 4.0) z)) (- (* x x) (* (* y 4.0) z))) (- (* x x) (* (* y 4.0) z)))
  (sqrt (- (* x x) (* (* y 4.0) z)))
  (sqrt (- (* x x) (* (* y 4.0) z)))
  (- (pow (* x x) 3) (pow (* (* y 4.0) z) 3))
  (+ (* (* x x) (* x x)) (+ (* (* (* y 4.0) z) (* (* y 4.0) z)) (* (* x x) (* (* y 4.0) z))))
  (- (* (* y 4.0) z))
  (- (* (* x x) (* x x)) (* (* (* y 4.0) z) (* (* y 4.0) z)))
  (+ (* x x) (* (* y 4.0) z))
  (- (* (* y 4.0) z))
  (- (pow x 2) (* 4.0 (* z y)))
  (- (pow x 2) (* 4.0 (* z y)))
  (- (pow x 2) (* 4.0 (* z y)))
0.173 * * [simplify]: iteration 0: 35 enodes
0.180 * * [simplify]: iteration 1: 111 enodes
0.215 * * [simplify]: iteration 2: 519 enodes
0.958 * * [simplify]: iteration 3: 3759 enodes
2.673 * * [simplify]: iteration complete: 5002 enodes
2.673 * * [simplify]: Extracting #0: cost 12 inf + 0
2.673 * * [simplify]: Extracting #1: cost 160 inf + 0
2.676 * * [simplify]: Extracting #2: cost 1313 inf + 46
2.688 * * [simplify]: Extracting #3: cost 1254 inf + 54194
2.742 * * [simplify]: Extracting #4: cost 270 inf + 174906
2.804 * * [simplify]: Extracting #5: cost 19 inf + 242820
2.892 * * [simplify]: Extracting #6: cost 0 inf + 254812
2.954 * * [simplify]: Extracting #7: cost 0 inf + 254772
3.037 * [simplify]: Simplified to:
  (exp (- (* x x) (* (* y z) 4.0)))
  (log (- (* x x) (* (* y z) 4.0)))
  (exp (- (* x x) (* (* y z) 4.0)))
  (* (cbrt (- (* x x) (* (* y z) 4.0))) (cbrt (- (* x x) (* (* y z) 4.0))))
  (cbrt (- (* x x) (* (* y z) 4.0)))
  (* (* (- (* x x) (* (* y z) 4.0)) (- (* x x) (* (* y z) 4.0))) (- (* x x) (* (* y z) 4.0)))
  (sqrt (- (* x x) (* (* y z) 4.0)))
  (sqrt (- (* x x) (* (* y z) 4.0)))
  (- (* (* x x) (* (* x x) (* x x))) (* (* (* y z) 4.0) (* (* (* y z) 4.0) (* (* y z) 4.0))))
  (+ (* (* (* y z) 4.0) (+ (* (* y z) 4.0) (* x x))) (* (* x x) (* x x)))
  (* (* y z) (- 4.0))
  (* (+ (* x x) (* (* y z) 4.0)) (- (* x x) (* (* y z) 4.0)))
  (+ (* x x) (* (* y z) 4.0))
  (* (* y z) (- 4.0))
  (- (* x x) (* (* y z) 4.0))
  (- (* x x) (* (* y z) 4.0))
  (- (* x x) (* (* y z) 4.0))
3.038 * * * [progress]: adding candidates to table
3.123 * [progress]: [Phase 3 of 3] Extracting.
3.127 * [simplify]: Simplifying:
  (- (* x x) (* (* y 4.0) z))
3.127 * * [simplify]: iteration 0: 8 enodes
3.128 * * [simplify]: iteration 1: 10 enodes
3.128 * * [simplify]: iteration complete: 10 enodes
3.128 * * [simplify]: Extracting #0: cost 1 inf + 0
3.128 * * [simplify]: Extracting #1: cost 3 inf + 0
3.128 * * [simplify]: Extracting #2: cost 6 inf + 0
3.128 * * [simplify]: Extracting #3: cost 6 inf + 2
3.128 * * [simplify]: Extracting #4: cost 0 inf + 334
3.128 * [simplify]: Simplified to:
  (- (* x x) (* (* y 4.0) z))
4.991 * [regime-testing]: Baseline error score: 0.0316289536192024
5.002 * [regime-testing]: Oracle error score: 0.0316289536192024
5.002 * [regime-testing]: End program error score: 0.0316289536192024