8.427 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.025 * * * [progress]: [2/2] Setting up program.
0.028 * [progress]: [Phase 2 of 3] Improving.
0.029 * [simplify]: Simplifying:
  (- (* x x) (* (* y 4.0) z))
0.029 * * [simplify]: iteration 0: 8 enodes
0.030 * * [simplify]: iteration 1: 15 enodes
0.032 * * [simplify]: iteration 2: 33 enodes
0.041 * * [simplify]: iteration 3: 64 enodes
0.052 * * [simplify]: iteration 4: 85 enodes
0.062 * * [simplify]: iteration 5: 86 enodes
0.072 * * [simplify]: iteration complete: 86 enodes
0.072 * * [simplify]: Extracting #0: cost 1 inf + 0
0.072 * * [simplify]: Extracting #1: cost 17 inf + 0
0.072 * * [simplify]: Extracting #2: cost 10 inf + 168
0.073 * * [simplify]: Extracting #3: cost 0 inf + 910
0.073 * [simplify]: Simplified to:
  (- (* x x) (* (* y 4.0) z))
0.074 * * [progress]: iteration 1 / 4
0.074 * * * [progress]: picking best candidate
0.077 * * * * [pick]: Picked  #<alt (λ (x y z) (- (* x x) (* (* y 4.0) z)))>
0.077 * * * [progress]: localizing error
0.086 * * * [progress]: generating rewritten candidates
0.086 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.093 * * * [progress]: generating series expansions
0.093 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.093 * [backup-simplify]: Simplify (- (* x x) (* (* y 4.0) z)) into (- (pow x 2) (* 4.0 (* z y)))
0.093 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in (x y z) around 0
0.093 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in z
0.094 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.094 * [taylor]: Taking taylor expansion of x in z
0.094 * [backup-simplify]: Simplify x into x
0.094 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in z
0.094 * [taylor]: Taking taylor expansion of 4.0 in z
0.094 * [backup-simplify]: Simplify 4.0 into 4.0
0.094 * [taylor]: Taking taylor expansion of (* z y) in z
0.094 * [taylor]: Taking taylor expansion of z in z
0.094 * [backup-simplify]: Simplify 0 into 0
0.094 * [backup-simplify]: Simplify 1 into 1
0.094 * [taylor]: Taking taylor expansion of y in z
0.094 * [backup-simplify]: Simplify y into y
0.094 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in y
0.094 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.094 * [taylor]: Taking taylor expansion of x in y
0.094 * [backup-simplify]: Simplify x into x
0.094 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.094 * [taylor]: Taking taylor expansion of 4.0 in y
0.094 * [backup-simplify]: Simplify 4.0 into 4.0
0.094 * [taylor]: Taking taylor expansion of (* z y) in y
0.094 * [taylor]: Taking taylor expansion of z in y
0.094 * [backup-simplify]: Simplify z into z
0.094 * [taylor]: Taking taylor expansion of y in y
0.094 * [backup-simplify]: Simplify 0 into 0
0.094 * [backup-simplify]: Simplify 1 into 1
0.094 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in x
0.094 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.094 * [taylor]: Taking taylor expansion of x in x
0.094 * [backup-simplify]: Simplify 0 into 0
0.094 * [backup-simplify]: Simplify 1 into 1
0.094 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.094 * [taylor]: Taking taylor expansion of 4.0 in x
0.094 * [backup-simplify]: Simplify 4.0 into 4.0
0.094 * [taylor]: Taking taylor expansion of (* z y) in x
0.094 * [taylor]: Taking taylor expansion of z in x
0.094 * [backup-simplify]: Simplify z into z
0.094 * [taylor]: Taking taylor expansion of y in x
0.094 * [backup-simplify]: Simplify y into y
0.094 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in x
0.094 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.094 * [taylor]: Taking taylor expansion of x in x
0.094 * [backup-simplify]: Simplify 0 into 0
0.094 * [backup-simplify]: Simplify 1 into 1
0.094 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.094 * [taylor]: Taking taylor expansion of 4.0 in x
0.094 * [backup-simplify]: Simplify 4.0 into 4.0
0.094 * [taylor]: Taking taylor expansion of (* z y) in x
0.094 * [taylor]: Taking taylor expansion of z in x
0.094 * [backup-simplify]: Simplify z into z
0.094 * [taylor]: Taking taylor expansion of y in x
0.094 * [backup-simplify]: Simplify y into y
0.094 * [backup-simplify]: Simplify (* z y) into (* z y)
0.094 * [backup-simplify]: Simplify (* 4.0 (* z y)) into (* 4.0 (* z y))
0.095 * [backup-simplify]: Simplify (- (* 4.0 (* z y))) into (- (* 4.0 (* z y)))
0.095 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (* z y)))) into (- (* 4.0 (* z y)))
0.095 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in y
0.095 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.095 * [taylor]: Taking taylor expansion of 4.0 in y
0.095 * [backup-simplify]: Simplify 4.0 into 4.0
0.095 * [taylor]: Taking taylor expansion of (* z y) in y
0.095 * [taylor]: Taking taylor expansion of z in y
0.095 * [backup-simplify]: Simplify z into z
0.095 * [taylor]: Taking taylor expansion of y in y
0.095 * [backup-simplify]: Simplify 0 into 0
0.095 * [backup-simplify]: Simplify 1 into 1
0.095 * [backup-simplify]: Simplify (* z 0) into 0
0.095 * [backup-simplify]: Simplify (* 4.0 0) into 0
0.096 * [backup-simplify]: Simplify (- 0) into 0
0.096 * [taylor]: Taking taylor expansion of 0 in z
0.096 * [backup-simplify]: Simplify 0 into 0
0.096 * [backup-simplify]: Simplify 0 into 0
0.096 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.096 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (* z y))) into 0
0.096 * [backup-simplify]: Simplify (- 0) into 0
0.097 * [backup-simplify]: Simplify (+ 0 0) into 0
0.097 * [taylor]: Taking taylor expansion of 0 in y
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [taylor]: Taking taylor expansion of 0 in z
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.098 * [backup-simplify]: Simplify (+ (* 4.0 z) (* 0 0)) into (* 4.0 z)
0.098 * [backup-simplify]: Simplify (- (* 4.0 z)) into (- (* 4.0 z))
0.098 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z
0.098 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.098 * [taylor]: Taking taylor expansion of 4.0 in z
0.098 * [backup-simplify]: Simplify 4.0 into 4.0
0.098 * [taylor]: Taking taylor expansion of z in z
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 1 into 1
0.098 * [backup-simplify]: Simplify (* 4.0 0) into 0
0.099 * [backup-simplify]: Simplify (- 0) into 0
0.099 * [backup-simplify]: Simplify 0 into 0
0.099 * [backup-simplify]: Simplify 0 into 0
0.099 * [backup-simplify]: Simplify (* 1 1) into 1
0.099 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.100 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (* z y)))) into 0
0.100 * [backup-simplify]: Simplify (- 0) into 0
0.101 * [backup-simplify]: Simplify (+ 1 0) into 1
0.101 * [taylor]: Taking taylor expansion of 1 in y
0.101 * [backup-simplify]: Simplify 1 into 1
0.101 * [taylor]: Taking taylor expansion of 1 in z
0.101 * [backup-simplify]: Simplify 1 into 1
0.101 * [backup-simplify]: Simplify 1 into 1
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
0.102 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.102 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 z) (* 0 0))) into 0
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
0.103 * [backup-simplify]: Simplify 0 into 0
0.104 * [backup-simplify]: Simplify (+ (* 4.0 1) (* 0 0)) into 4.0
0.104 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.105 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.105 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.106 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.107 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (* z y))))) into 0
0.107 * [backup-simplify]: Simplify (- 0) into 0
0.107 * [backup-simplify]: Simplify (+ 0 0) into 0
0.107 * [taylor]: Taking taylor expansion of 0 in y
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [taylor]: Taking taylor expansion of 0 in z
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [taylor]: Taking taylor expansion of 0 in z
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [taylor]: Taking taylor expansion of 0 in z
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.109 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 z) (* 0 0)))) into 0
0.109 * [backup-simplify]: Simplify (- 0) into 0
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
0.109 * [backup-simplify]: Simplify 0 into 0
0.109 * [backup-simplify]: Simplify (+ (* (- 4.0) (* z (* y 1))) (* 1 (pow (* 1 (* 1 x)) 2))) into (- (pow x 2) (* 4.0 (* z y)))
0.109 * [backup-simplify]: Simplify (- (* (/ 1 x) (/ 1 x)) (* (* (/ 1 y) 4.0) (/ 1 z))) into (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y))))
0.109 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.110 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in z
0.110 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in z
0.110 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.110 * [taylor]: Taking taylor expansion of x in z
0.110 * [backup-simplify]: Simplify x into x
0.110 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.110 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.110 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.110 * [taylor]: Taking taylor expansion of 4.0 in z
0.110 * [backup-simplify]: Simplify 4.0 into 4.0
0.110 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.110 * [taylor]: Taking taylor expansion of (* z y) in z
0.110 * [taylor]: Taking taylor expansion of z in z
0.110 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify 1 into 1
0.110 * [taylor]: Taking taylor expansion of y in z
0.110 * [backup-simplify]: Simplify y into y
0.110 * [backup-simplify]: Simplify (* 0 y) into 0
0.110 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.110 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.110 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in y
0.110 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.110 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.110 * [taylor]: Taking taylor expansion of x in y
0.110 * [backup-simplify]: Simplify x into x
0.110 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.110 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.110 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.110 * [taylor]: Taking taylor expansion of 4.0 in y
0.111 * [backup-simplify]: Simplify 4.0 into 4.0
0.111 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.111 * [taylor]: Taking taylor expansion of (* z y) in y
0.111 * [taylor]: Taking taylor expansion of z in y
0.111 * [backup-simplify]: Simplify z into z
0.111 * [taylor]: Taking taylor expansion of y in y
0.111 * [backup-simplify]: Simplify 0 into 0
0.111 * [backup-simplify]: Simplify 1 into 1
0.111 * [backup-simplify]: Simplify (* z 0) into 0
0.111 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.111 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.111 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.111 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.111 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.111 * [taylor]: Taking taylor expansion of x in x
0.111 * [backup-simplify]: Simplify 0 into 0
0.111 * [backup-simplify]: Simplify 1 into 1
0.111 * [backup-simplify]: Simplify (* 1 1) into 1
0.112 * [backup-simplify]: Simplify (/ 1 1) into 1
0.112 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.112 * [taylor]: Taking taylor expansion of 4.0 in x
0.112 * [backup-simplify]: Simplify 4.0 into 4.0
0.112 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.112 * [taylor]: Taking taylor expansion of (* z y) in x
0.112 * [taylor]: Taking taylor expansion of z in x
0.112 * [backup-simplify]: Simplify z into z
0.112 * [taylor]: Taking taylor expansion of y in x
0.112 * [backup-simplify]: Simplify y into y
0.112 * [backup-simplify]: Simplify (* z y) into (* z y)
0.112 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.112 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.112 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.112 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.112 * [taylor]: Taking taylor expansion of x in x
0.112 * [backup-simplify]: Simplify 0 into 0
0.112 * [backup-simplify]: Simplify 1 into 1
0.112 * [backup-simplify]: Simplify (* 1 1) into 1
0.112 * [backup-simplify]: Simplify (/ 1 1) into 1
0.112 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.112 * [taylor]: Taking taylor expansion of 4.0 in x
0.112 * [backup-simplify]: Simplify 4.0 into 4.0
0.112 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.112 * [taylor]: Taking taylor expansion of (* z y) in x
0.112 * [taylor]: Taking taylor expansion of z in x
0.112 * [backup-simplify]: Simplify z into z
0.112 * [taylor]: Taking taylor expansion of y in x
0.113 * [backup-simplify]: Simplify y into y
0.113 * [backup-simplify]: Simplify (* z y) into (* z y)
0.113 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.116 * [backup-simplify]: Simplify (+ 1 0) into 1
0.116 * [taylor]: Taking taylor expansion of 1 in y
0.116 * [backup-simplify]: Simplify 1 into 1
0.116 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.117 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.117 * [backup-simplify]: Simplify (+ 0 0) into 0
0.117 * [taylor]: Taking taylor expansion of 0 in y
0.117 * [backup-simplify]: Simplify 0 into 0
0.117 * [taylor]: Taking taylor expansion of 1 in z
0.117 * [backup-simplify]: Simplify 1 into 1
0.118 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.118 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.118 * [backup-simplify]: Simplify (* 4.0 (/ 1 (* z y))) into (/ 4.0 (* z y))
0.119 * [backup-simplify]: Simplify (- (/ 4.0 (* z y))) into (- (* 4.0 (/ 1 (* z y))))
0.119 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (/ 1 (* z y))))) into (- (* 4.0 (/ 1 (* z y))))
0.119 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.119 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.119 * [taylor]: Taking taylor expansion of 4.0 in y
0.119 * [backup-simplify]: Simplify 4.0 into 4.0
0.119 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.119 * [taylor]: Taking taylor expansion of (* z y) in y
0.119 * [taylor]: Taking taylor expansion of z in y
0.119 * [backup-simplify]: Simplify z into z
0.119 * [taylor]: Taking taylor expansion of y in y
0.119 * [backup-simplify]: Simplify 0 into 0
0.119 * [backup-simplify]: Simplify 1 into 1
0.119 * [backup-simplify]: Simplify (* z 0) into 0
0.119 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.119 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.120 * [backup-simplify]: Simplify (* 4.0 (/ 1 z)) into (/ 4.0 z)
0.120 * [backup-simplify]: Simplify (- (/ 4.0 z)) into (- (* 4.0 (/ 1 z)))
0.120 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.120 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.120 * [taylor]: Taking taylor expansion of 4.0 in z
0.120 * [backup-simplify]: Simplify 4.0 into 4.0
0.120 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.120 * [taylor]: Taking taylor expansion of z in z
0.120 * [backup-simplify]: Simplify 0 into 0
0.120 * [backup-simplify]: Simplify 1 into 1
0.120 * [backup-simplify]: Simplify (/ 1 1) into 1
0.121 * [backup-simplify]: Simplify (* 4.0 1) into 4.0
0.121 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.121 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.121 * [taylor]: Taking taylor expansion of 0 in z
0.121 * [backup-simplify]: Simplify 0 into 0
0.121 * [taylor]: Taking taylor expansion of 0 in z
0.121 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify 1 into 1
0.122 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.123 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.123 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.123 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))))) into 0
0.124 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 (* z y)))) into 0
0.124 * [backup-simplify]: Simplify (- 0) into 0
0.125 * [backup-simplify]: Simplify (+ 0 0) into 0
0.125 * [taylor]: Taking taylor expansion of 0 in y
0.125 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.126 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
0.126 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 z))) 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 * [taylor]: Taking taylor expansion of 0 in z
0.126 * [backup-simplify]: Simplify 0 into 0
0.127 * [taylor]: Taking taylor expansion of 0 in z
0.127 * [backup-simplify]: Simplify 0 into 0
0.127 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.128 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 1)) into 0
0.128 * [backup-simplify]: Simplify (- 0) into 0
0.128 * [backup-simplify]: Simplify 0 into 0
0.128 * [backup-simplify]: Simplify 0 into 0
0.128 * [backup-simplify]: Simplify 0 into 0
0.128 * [backup-simplify]: Simplify 0 into 0
0.129 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.130 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.130 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.131 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.131 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 (* z y))))) into 0
0.132 * [backup-simplify]: Simplify (- 0) into 0
0.132 * [backup-simplify]: Simplify (+ 0 0) into 0
0.132 * [taylor]: Taking taylor expansion of 0 in y
0.132 * [backup-simplify]: Simplify 0 into 0
0.132 * [taylor]: Taking taylor expansion of 0 in z
0.132 * [backup-simplify]: Simplify 0 into 0
0.133 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.133 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.134 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
0.134 * [backup-simplify]: Simplify (- 0) into 0
0.134 * [taylor]: Taking taylor expansion of 0 in z
0.134 * [backup-simplify]: Simplify 0 into 0
0.134 * [taylor]: Taking taylor expansion of 0 in z
0.134 * [backup-simplify]: Simplify 0 into 0
0.134 * [taylor]: Taking taylor expansion of 0 in z
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 (pow (* 1 (* 1 (/ 1 (/ 1 x)))) 2)) (* (- 4.0) (* (/ 1 (/ 1 z)) (* (/ 1 (/ 1 y)) 1)))) into (- (pow x 2) (* 4.0 (* z y)))
0.135 * [backup-simplify]: Simplify (- (* (/ 1 (- x)) (/ 1 (- x))) (* (* (/ 1 (- y)) 4.0) (/ 1 (- z)))) into (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y))))
0.136 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.136 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in z
0.136 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in z
0.136 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.136 * [taylor]: Taking taylor expansion of x in z
0.136 * [backup-simplify]: Simplify x into x
0.136 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.136 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.136 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.136 * [taylor]: Taking taylor expansion of 4.0 in z
0.136 * [backup-simplify]: Simplify 4.0 into 4.0
0.136 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.136 * [taylor]: Taking taylor expansion of (* z y) in z
0.136 * [taylor]: Taking taylor expansion of z in z
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 z
0.136 * [backup-simplify]: Simplify y into y
0.136 * [backup-simplify]: Simplify (* 0 y) into 0
0.137 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.137 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.137 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in y
0.137 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.137 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.137 * [taylor]: Taking taylor expansion of x in y
0.137 * [backup-simplify]: Simplify x into x
0.137 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.137 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.137 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.137 * [taylor]: Taking taylor expansion of 4.0 in y
0.137 * [backup-simplify]: Simplify 4.0 into 4.0
0.137 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.137 * [taylor]: Taking taylor expansion of (* z y) in y
0.137 * [taylor]: Taking taylor expansion of z in y
0.137 * [backup-simplify]: Simplify z into z
0.137 * [taylor]: Taking taylor expansion of y in y
0.137 * [backup-simplify]: Simplify 0 into 0
0.137 * [backup-simplify]: Simplify 1 into 1
0.137 * [backup-simplify]: Simplify (* z 0) into 0
0.138 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.138 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.138 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.138 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.138 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.138 * [taylor]: Taking taylor expansion of x in x
0.138 * [backup-simplify]: Simplify 0 into 0
0.138 * [backup-simplify]: Simplify 1 into 1
0.138 * [backup-simplify]: Simplify (* 1 1) into 1
0.138 * [backup-simplify]: Simplify (/ 1 1) into 1
0.138 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.138 * [taylor]: Taking taylor expansion of 4.0 in x
0.139 * [backup-simplify]: Simplify 4.0 into 4.0
0.139 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.139 * [taylor]: Taking taylor expansion of (* z y) in x
0.139 * [taylor]: Taking taylor expansion of z in x
0.139 * [backup-simplify]: Simplify z into z
0.139 * [taylor]: Taking taylor expansion of y in x
0.139 * [backup-simplify]: Simplify y into y
0.139 * [backup-simplify]: Simplify (* z y) into (* z y)
0.139 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.139 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.139 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.139 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.139 * [taylor]: Taking taylor expansion of x in x
0.139 * [backup-simplify]: Simplify 0 into 0
0.139 * [backup-simplify]: Simplify 1 into 1
0.139 * [backup-simplify]: Simplify (* 1 1) into 1
0.140 * [backup-simplify]: Simplify (/ 1 1) into 1
0.140 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.140 * [taylor]: Taking taylor expansion of 4.0 in x
0.140 * [backup-simplify]: Simplify 4.0 into 4.0
0.140 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.140 * [taylor]: Taking taylor expansion of (* z y) in x
0.140 * [taylor]: Taking taylor expansion of z in x
0.140 * [backup-simplify]: Simplify z into z
0.140 * [taylor]: Taking taylor expansion of y in x
0.140 * [backup-simplify]: Simplify y into y
0.140 * [backup-simplify]: Simplify (* z y) into (* z y)
0.140 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.140 * [backup-simplify]: Simplify (+ 1 0) into 1
0.140 * [taylor]: Taking taylor expansion of 1 in y
0.140 * [backup-simplify]: Simplify 1 into 1
0.141 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.142 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.142 * [backup-simplify]: Simplify (+ 0 0) into 0
0.142 * [taylor]: Taking taylor expansion of 0 in y
0.142 * [backup-simplify]: Simplify 0 into 0
0.142 * [taylor]: Taking taylor expansion of 1 in z
0.142 * [backup-simplify]: Simplify 1 into 1
0.143 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.144 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.144 * [backup-simplify]: Simplify (* 4.0 (/ 1 (* z y))) into (/ 4.0 (* z y))
0.144 * [backup-simplify]: Simplify (- (/ 4.0 (* z y))) into (- (* 4.0 (/ 1 (* z y))))
0.144 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (/ 1 (* z y))))) into (- (* 4.0 (/ 1 (* z y))))
0.144 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.144 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.144 * [taylor]: Taking taylor expansion of 4.0 in y
0.144 * [backup-simplify]: Simplify 4.0 into 4.0
0.144 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.144 * [taylor]: Taking taylor expansion of (* z y) in y
0.144 * [taylor]: Taking taylor expansion of z in y
0.144 * [backup-simplify]: Simplify z into z
0.144 * [taylor]: Taking taylor expansion of y in y
0.144 * [backup-simplify]: Simplify 0 into 0
0.144 * [backup-simplify]: Simplify 1 into 1
0.144 * [backup-simplify]: Simplify (* z 0) into 0
0.145 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.145 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.145 * [backup-simplify]: Simplify (* 4.0 (/ 1 z)) into (/ 4.0 z)
0.145 * [backup-simplify]: Simplify (- (/ 4.0 z)) into (- (* 4.0 (/ 1 z)))
0.145 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.145 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.145 * [taylor]: Taking taylor expansion of 4.0 in z
0.145 * [backup-simplify]: Simplify 4.0 into 4.0
0.145 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.145 * [taylor]: Taking taylor expansion of z in z
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 * [backup-simplify]: Simplify (* 4.0 1) into 4.0
0.146 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.147 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.147 * [taylor]: Taking taylor expansion of 0 in z
0.147 * [backup-simplify]: Simplify 0 into 0
0.147 * [taylor]: Taking taylor expansion of 0 in z
0.147 * [backup-simplify]: Simplify 0 into 0
0.147 * [backup-simplify]: Simplify 1 into 1
0.148 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.149 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.149 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.149 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))))) into 0
0.149 * [backup-simplify]: Simplify (+ (* 4.0 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
0.151 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.151 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
0.151 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 z))) into 0
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 * [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
0.153 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.153 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 1)) into 0
0.154 * [backup-simplify]: Simplify (- 0) into 0
0.154 * [backup-simplify]: Simplify 0 into 0
0.154 * [backup-simplify]: Simplify 0 into 0
0.154 * [backup-simplify]: Simplify 0 into 0
0.154 * [backup-simplify]: Simplify 0 into 0
0.155 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.155 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.156 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.156 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.157 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 (* z y))))) into 0
0.157 * [backup-simplify]: Simplify (- 0) 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 0 in z
0.158 * [backup-simplify]: Simplify 0 into 0
0.158 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.159 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.159 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
0.160 * [backup-simplify]: Simplify (- 0) into 0
0.160 * [taylor]: Taking taylor expansion of 0 in z
0.160 * [backup-simplify]: Simplify 0 into 0
0.160 * [taylor]: Taking taylor expansion of 0 in z
0.160 * [backup-simplify]: Simplify 0 into 0
0.160 * [taylor]: Taking taylor expansion of 0 in z
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 (pow (* 1 (* 1 (/ 1 (/ 1 (- x))))) 2)) (* (- 4.0) (* (/ 1 (/ 1 (- z))) (* (/ 1 (/ 1 (- y))) 1)))) into (- (pow x 2) (* 4.0 (* z y)))
0.161 * * * [progress]: simplifying candidates
0.161 * [simplify]: Simplifying:
  (fma x x (- (* z (* y 4.0))))
  (fma (- z) (* y 4.0) (* z (* y 4.0)))
  (expm1 (- (* x x) (* (* y 4.0) z)))
  (log1p (- (* x x) (* (* y 4.0) z)))
  (- (* (* y 4.0) z))
  (/ (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)))
0.162 * * [simplify]: iteration 0: 42 enodes
0.173 * * [simplify]: iteration 1: 126 enodes
0.227 * * [simplify]: iteration 2: 685 enodes
1.504 * * [simplify]: iteration 3: 4605 enodes
2.809 * * [simplify]: iteration complete: 5000 enodes
2.809 * * [simplify]: Extracting #0: cost 15 inf + 0
2.809 * * [simplify]: Extracting #1: cost 230 inf + 0
2.814 * * [simplify]: Extracting #2: cost 1075 inf + 12749
2.848 * * [simplify]: Extracting #3: cost 343 inf + 135226
2.922 * * [simplify]: Extracting #4: cost 34 inf + 192526
3.002 * * [simplify]: Extracting #5: cost 3 inf + 202937
3.055 * * [simplify]: Extracting #6: cost 0 inf + 204358
3.132 * [simplify]: Simplified to:
  (- (* x x) (* 4.0 (* y z)))
  (- (* 4.0 (* y z)) (* 4.0 (* y z)))
  (expm1 (- (* x x) (* 4.0 (* y z))))
  (log1p (- (* x x) (* 4.0 (* y z))))
  (* 4.0 (- (* y z)))
  (exp (- (* x x) (* 4.0 (* y z))))
  (log (- (* x x) (* 4.0 (* y z))))
  (exp (- (* x x) (* 4.0 (* y z))))
  (* (cbrt (- (* x x) (* 4.0 (* y z)))) (cbrt (- (* x x) (* 4.0 (* y z)))))
  (cbrt (- (* x x) (* 4.0 (* y z))))
  (* (- (* x x) (* 4.0 (* y z))) (* (- (* x x) (* 4.0 (* y z))) (- (* x x) (* 4.0 (* y z)))))
  (sqrt (- (* x x) (* 4.0 (* y z))))
  (sqrt (- (* x x) (* 4.0 (* y z))))
  (- (* (* (* x x) (* x x)) (* x x)) (* (* 4.0 (* y z)) (* (* 4.0 (* y z)) (* 4.0 (* y z)))))
  (fma (* 4.0 (* y z)) (* 4.0 (* y z)) (* (* x x) (+ (* 4.0 (* y z)) (* x x))))
  (* 4.0 (- (* y z)))
  (* (+ (* x x) (* 4.0 (* y z))) (- (* x x) (* 4.0 (* y z))))
  (fma x x (* 4.0 (* y z)))
  (* 4.0 (- (* y z)))
  (- (* x x) (* 4.0 (* y z)))
  (- (* x x) (* 4.0 (* y z)))
  (- (* x x) (* 4.0 (* y z)))
3.133 * * * [progress]: adding candidates to table
3.233 * [progress]: [Phase 3 of 3] Extracting.
3.236 * [simplify]: Simplifying:
  (- (* x x) (* (* y 4.0) z))
3.236 * * [simplify]: iteration 0: 8 enodes
3.237 * * [simplify]: iteration 1: 10 enodes
3.237 * * [simplify]: iteration complete: 10 enodes
3.237 * * [simplify]: Extracting #0: cost 1 inf + 0
3.237 * * [simplify]: Extracting #1: cost 3 inf + 0
3.237 * * [simplify]: Extracting #2: cost 6 inf + 0
3.237 * * [simplify]: Extracting #3: cost 6 inf + 2
3.237 * * [simplify]: Extracting #4: cost 0 inf + 334
3.237 * [simplify]: Simplified to:
  (- (* x x) (* (* y 4.0) z))
4.664 * [regime-testing]: Baseline error score: 0.0316289536192024
4.674 * [regime-testing]: Oracle error score: 0.0316289536192024
4.674 * [regime-testing]: End program error score: 0.0316289536192024