22.761 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.020 * * * [progress]: [2/2] Setting up program.
0.022 * [progress]: [Phase 2 of 3] Improving.
0.022 * [simplify]: Simplifying:
  (- x (* (* y 4.0) z))
0.022 * * [simplify]: Extracting # 0 : cost  0
0.022 * * [simplify]: Extracting # 1 : cost  0
0.022 * * [simplify]: Extracting # 2 : cost  0
0.022 * * [simplify]: Extracting # 3 : cost  0
0.022 * * [simplify]: Extracting # 4 : cost  0
0.022 * * [simplify]: Extracting # 5 : cost  0
0.022 * * [simplify]: iteration  0 :  7  enodes  (cost  7 )
0.024 * * [simplify]: Extracting # 0 : cost  0
0.024 * * [simplify]: Extracting # 1 : cost  0
0.024 * * [simplify]: Extracting # 2 : cost  0
0.024 * * [simplify]: iteration  1 :  13  enodes  (cost  7 )
0.026 * * [simplify]: Extracting # 0 : cost  0
0.026 * * [simplify]: Extracting # 1 : cost  0
0.026 * * [simplify]: Extracting # 2 : cost  0
0.026 * * [simplify]: iteration  2 :  31  enodes  (cost  7 )
0.034 * * [simplify]: Extracting # 0 : cost  0
0.034 * * [simplify]: Extracting # 1 : cost  0
0.034 * * [simplify]: Extracting # 2 : cost  0
0.034 * * [simplify]: iteration  3 :  62  enodes  (cost  7 )
0.055 * * [simplify]: Extracting # 0 : cost  0
0.055 * * [simplify]: iteration  4 :  72  enodes  (cost  7 )
0.073 * * [simplify]: Extracting # 0 : cost  0
0.073 * * [simplify]: iteration done:  72  enodes  (cost  7 )
0.073 * [simplify]: Simplified to:
  (- x (* (* y 4.0) z))
0.074 * * [progress]: iteration 1 / 4
0.074 * * * [progress]: picking best candidate
0.075 * * * * [pick]: Picked  #<alt (λ (x y z) (- x (* (* y 4.0) z)))>
0.075 * * * [progress]: localizing error
0.085 * * * [progress]: generating rewritten candidates
0.085 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.095 * * * [progress]: generating series expansions
0.095 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.095 * [backup-simplify]: Simplify (- x (* (* y 4.0) z)) into (- x (* 4.0 (* z y)))
0.095 * [approximate]: Taking taylor expansion of (- x (* 4.0 (* z y))) in (x y z) around 0
0.095 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in z
0.095 * [taylor]: Taking taylor expansion of x in z
0.095 * [backup-simplify]: Simplify x into x
0.095 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in z
0.095 * [taylor]: Taking taylor expansion of 4.0 in z
0.095 * [backup-simplify]: Simplify 4.0 into 4.0
0.095 * [taylor]: Taking taylor expansion of (* z y) in z
0.095 * [taylor]: Taking taylor expansion of z in z
0.095 * [backup-simplify]: Simplify 0 into 0
0.096 * [backup-simplify]: Simplify 1 into 1
0.096 * [taylor]: Taking taylor expansion of y in z
0.096 * [backup-simplify]: Simplify y into y
0.096 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in y
0.096 * [taylor]: Taking taylor expansion of x in y
0.096 * [backup-simplify]: Simplify x into x
0.096 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.096 * [taylor]: Taking taylor expansion of 4.0 in y
0.096 * [backup-simplify]: Simplify 4.0 into 4.0
0.096 * [taylor]: Taking taylor expansion of (* z y) in y
0.096 * [taylor]: Taking taylor expansion of z in y
0.096 * [backup-simplify]: Simplify z into z
0.096 * [taylor]: Taking taylor expansion of y in y
0.096 * [backup-simplify]: Simplify 0 into 0
0.096 * [backup-simplify]: Simplify 1 into 1
0.096 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in x
0.096 * [taylor]: Taking taylor expansion of x in x
0.096 * [backup-simplify]: Simplify 0 into 0
0.096 * [backup-simplify]: Simplify 1 into 1
0.096 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.096 * [taylor]: Taking taylor expansion of 4.0 in x
0.096 * [backup-simplify]: Simplify 4.0 into 4.0
0.096 * [taylor]: Taking taylor expansion of (* z y) in x
0.096 * [taylor]: Taking taylor expansion of z in x
0.096 * [backup-simplify]: Simplify z into z
0.096 * [taylor]: Taking taylor expansion of y in x
0.096 * [backup-simplify]: Simplify y into y
0.096 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in x
0.096 * [taylor]: Taking taylor expansion of x in x
0.096 * [backup-simplify]: Simplify 0 into 0
0.096 * [backup-simplify]: Simplify 1 into 1
0.096 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.096 * [taylor]: Taking taylor expansion of 4.0 in x
0.096 * [backup-simplify]: Simplify 4.0 into 4.0
0.096 * [taylor]: Taking taylor expansion of (* z y) in x
0.096 * [taylor]: Taking taylor expansion of z in x
0.096 * [backup-simplify]: Simplify z into z
0.096 * [taylor]: Taking taylor expansion of y in x
0.096 * [backup-simplify]: Simplify y into y
0.097 * [backup-simplify]: Simplify (* z y) into (* z y)
0.097 * [backup-simplify]: Simplify (* 4.0 (* z y)) into (* 4.0 (* z y))
0.097 * [backup-simplify]: Simplify (- (* 4.0 (* z y))) into (- (* 4.0 (* z y)))
0.097 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (* z y)))) into (- (* 4.0 (* z y)))
0.097 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in y
0.097 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.097 * [taylor]: Taking taylor expansion of 4.0 in y
0.097 * [backup-simplify]: Simplify 4.0 into 4.0
0.097 * [taylor]: Taking taylor expansion of (* z y) in y
0.097 * [taylor]: Taking taylor expansion of z in y
0.097 * [backup-simplify]: Simplify z into z
0.097 * [taylor]: Taking taylor expansion of y in y
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify 1 into 1
0.097 * [backup-simplify]: Simplify (* z 0) into 0
0.098 * [backup-simplify]: Simplify (* 4.0 0) into 0
0.098 * [backup-simplify]: Simplify (- 0) into 0
0.098 * [taylor]: Taking taylor expansion of 0 in z
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.099 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (* z y))) into 0
0.099 * [backup-simplify]: Simplify (- 0) into 0
0.099 * [backup-simplify]: Simplify (+ 1 0) into 1
0.099 * [taylor]: Taking taylor expansion of 1 in y
0.099 * [backup-simplify]: Simplify 1 into 1
0.099 * [taylor]: Taking taylor expansion of 1 in z
0.100 * [backup-simplify]: Simplify 1 into 1
0.100 * [backup-simplify]: Simplify 1 into 1
0.100 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.100 * [backup-simplify]: Simplify (+ (* 4.0 z) (* 0 0)) into (* 4.0 z)
0.100 * [backup-simplify]: Simplify (- (* 4.0 z)) into (- (* 4.0 z))
0.100 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z
0.100 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.100 * [taylor]: Taking taylor expansion of 4.0 in z
0.101 * [backup-simplify]: Simplify 4.0 into 4.0
0.101 * [taylor]: Taking taylor expansion of z in z
0.101 * [backup-simplify]: Simplify 0 into 0
0.101 * [backup-simplify]: Simplify 1 into 1
0.101 * [backup-simplify]: Simplify (* 4.0 0) into 0
0.101 * [backup-simplify]: Simplify (- 0) into 0
0.101 * [backup-simplify]: Simplify 0 into 0
0.101 * [backup-simplify]: Simplify 0 into 0
0.102 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.102 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (* z y)))) into 0
0.103 * [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
0.103 * [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 0) (+ (* 0 1) (* 0 0))) into 0
0.105 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 z) (* 0 0))) into 0
0.105 * [backup-simplify]: Simplify (- 0) into 0
0.105 * [taylor]: Taking taylor expansion of 0 in z
0.105 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify (* 1 (* 1 (* 1 x))) into x
0.105 * [backup-simplify]: Simplify (- (/ 1 x) (* (* (/ 1 y) 4.0) (/ 1 z))) into (- (/ 1 x) (* 4.0 (/ 1 (* z y))))
0.105 * [approximate]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.105 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in z
0.105 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.105 * [taylor]: Taking taylor expansion of x in z
0.105 * [backup-simplify]: Simplify x into x
0.106 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.106 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.106 * [taylor]: Taking taylor expansion of 4.0 in z
0.106 * [backup-simplify]: Simplify 4.0 into 4.0
0.106 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.106 * [taylor]: Taking taylor expansion of (* z y) in z
0.106 * [taylor]: Taking taylor expansion of z in z
0.106 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify 1 into 1
0.106 * [taylor]: Taking taylor expansion of y in z
0.106 * [backup-simplify]: Simplify y into y
0.106 * [backup-simplify]: Simplify (* 0 y) into 0
0.106 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.106 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.106 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in y
0.106 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.106 * [taylor]: Taking taylor expansion of x in y
0.106 * [backup-simplify]: Simplify x into x
0.106 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.106 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.106 * [taylor]: Taking taylor expansion of 4.0 in y
0.106 * [backup-simplify]: Simplify 4.0 into 4.0
0.106 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.107 * [taylor]: Taking taylor expansion of (* z y) in y
0.107 * [taylor]: Taking taylor expansion of z in y
0.107 * [backup-simplify]: Simplify z into z
0.107 * [taylor]: Taking taylor expansion of y in y
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify 1 into 1
0.107 * [backup-simplify]: Simplify (* z 0) into 0
0.107 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.107 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.107 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in x
0.107 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.107 * [taylor]: Taking taylor expansion of x in x
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify 1 into 1
0.108 * [backup-simplify]: Simplify (/ 1 1) into 1
0.108 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.108 * [taylor]: Taking taylor expansion of 4.0 in x
0.108 * [backup-simplify]: Simplify 4.0 into 4.0
0.108 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.108 * [taylor]: Taking taylor expansion of (* z y) in x
0.108 * [taylor]: Taking taylor expansion of z in x
0.108 * [backup-simplify]: Simplify z into z
0.108 * [taylor]: Taking taylor expansion of y in x
0.108 * [backup-simplify]: Simplify y into y
0.108 * [backup-simplify]: Simplify (* z y) into (* z y)
0.108 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.108 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in x
0.108 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.108 * [taylor]: Taking taylor expansion of x in x
0.108 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify 1 into 1
0.108 * [backup-simplify]: Simplify (/ 1 1) into 1
0.108 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.108 * [taylor]: Taking taylor expansion of 4.0 in x
0.108 * [backup-simplify]: Simplify 4.0 into 4.0
0.108 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.109 * [taylor]: Taking taylor expansion of (* z y) in x
0.109 * [taylor]: Taking taylor expansion of z in x
0.109 * [backup-simplify]: Simplify z into z
0.109 * [taylor]: Taking taylor expansion of y in x
0.109 * [backup-simplify]: Simplify y into y
0.109 * [backup-simplify]: Simplify (* z y) into (* z y)
0.109 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
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
0.110 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.110 * [backup-simplify]: Simplify (* 4.0 (/ 1 (* z y))) into (/ 4.0 (* z y))
0.110 * [backup-simplify]: Simplify (- (/ 4.0 (* z y))) into (- (* 4.0 (/ 1 (* z y))))
0.110 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (/ 1 (* z y))))) into (- (* 4.0 (/ 1 (* z y))))
0.110 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
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
0.110 * [backup-simplify]: Simplify 4.0 into 4.0
0.110 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.110 * [taylor]: Taking taylor expansion of (* z y) in y
0.110 * [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 * [backup-simplify]: Simplify (* 4.0 (/ 1 z)) into (/ 4.0 z)
0.111 * [backup-simplify]: Simplify (- (/ 4.0 z)) into (- (* 4.0 (/ 1 z)))
0.111 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.111 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.111 * [taylor]: Taking taylor expansion of 4.0 in z
0.111 * [backup-simplify]: Simplify 4.0 into 4.0
0.111 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.111 * [taylor]: Taking taylor expansion of z in z
0.111 * [backup-simplify]: Simplify 0 into 0
0.111 * [backup-simplify]: Simplify 1 into 1
0.112 * [backup-simplify]: Simplify (/ 1 1) into 1
0.112 * [backup-simplify]: Simplify (* 4.0 1) into 4.0
0.112 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.113 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.113 * [taylor]: Taking taylor expansion of 1 in z
0.113 * [backup-simplify]: Simplify 1 into 1
0.114 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.114 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.114 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))))) into 0
0.114 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 (* z y)))) into 0
0.115 * [backup-simplify]: Simplify (- 0) into 0
0.115 * [backup-simplify]: Simplify (+ 0 0) into 0
0.115 * [taylor]: Taking taylor expansion of 0 in y
0.115 * [backup-simplify]: Simplify 0 into 0
0.116 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.116 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
0.116 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 z))) into 0
0.116 * [backup-simplify]: Simplify (- 0) into 0
0.116 * [taylor]: Taking taylor expansion of 0 in z
0.116 * [backup-simplify]: Simplify 0 into 0
0.116 * [taylor]: Taking taylor expansion of 0 in z
0.117 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.118 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 1)) into 0
0.118 * [backup-simplify]: Simplify (- 0) into 0
0.118 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify 1 into 1
0.119 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.119 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.120 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.120 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 (* z y))))) into 0
0.121 * [backup-simplify]: Simplify (- 0) into 0
0.121 * [backup-simplify]: Simplify (+ 0 0) into 0
0.121 * [taylor]: Taking taylor expansion of 0 in y
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
0.122 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.122 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.123 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
0.123 * [backup-simplify]: Simplify (- 0) into 0
0.123 * [taylor]: Taking taylor expansion of 0 in z
0.123 * [backup-simplify]: Simplify 0 into 0
0.123 * [taylor]: Taking taylor expansion of 0 in z
0.123 * [backup-simplify]: Simplify 0 into 0
0.123 * [backup-simplify]: Simplify 0 into 0
0.123 * [backup-simplify]: Simplify 0 into 0
0.124 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.125 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 1))) into 0
0.125 * [backup-simplify]: Simplify (- 0) into 0
0.125 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify 0 into 0
0.126 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.127 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.127 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.128 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (* z y)))))) into 0
0.128 * [backup-simplify]: Simplify (- 0) into 0
0.129 * [backup-simplify]: Simplify (+ 0 0) into 0
0.129 * [taylor]: Taking taylor expansion of 0 in y
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 * [taylor]: Taking taylor expansion of 0 in z
0.129 * [backup-simplify]: Simplify 0 into 0
0.130 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.130 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.131 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 z))))) into 0
0.131 * [backup-simplify]: Simplify (- 0) into 0
0.131 * [taylor]: Taking taylor expansion of 0 in z
0.131 * [backup-simplify]: Simplify 0 into 0
0.131 * [taylor]: Taking taylor expansion of 0 in z
0.131 * [backup-simplify]: Simplify 0 into 0
0.131 * [backup-simplify]: Simplify 0 into 0
0.131 * [backup-simplify]: Simplify 0 into 0
0.132 * [backup-simplify]: Simplify (+ (* 1 (* 1 (* 1 (/ 1 (/ 1 x))))) (* (- 4.0) (* (/ 1 (/ 1 z)) (* (/ 1 (/ 1 y)) 1)))) into (- x (* 4.0 (* z y)))
0.132 * [backup-simplify]: Simplify (- (/ 1 (- x)) (* (* (/ 1 (- y)) 4.0) (/ 1 (- z)))) into (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)))
0.132 * [approximate]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in (x y z) around 0
0.132 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in z
0.132 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in z
0.132 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.132 * [taylor]: Taking taylor expansion of 4.0 in z
0.132 * [backup-simplify]: Simplify 4.0 into 4.0
0.133 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.133 * [taylor]: Taking taylor expansion of (* z y) in z
0.133 * [taylor]: Taking taylor expansion of z in z
0.133 * [backup-simplify]: Simplify 0 into 0
0.133 * [backup-simplify]: Simplify 1 into 1
0.133 * [taylor]: Taking taylor expansion of y in z
0.133 * [backup-simplify]: Simplify y into y
0.133 * [backup-simplify]: Simplify (* 0 y) into 0
0.133 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.133 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.133 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.133 * [taylor]: Taking taylor expansion of x in z
0.133 * [backup-simplify]: Simplify x into x
0.133 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.133 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in y
0.133 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in y
0.133 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.133 * [taylor]: Taking taylor expansion of 4.0 in y
0.133 * [backup-simplify]: Simplify 4.0 into 4.0
0.133 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.133 * [taylor]: Taking taylor expansion of (* z y) in y
0.133 * [taylor]: Taking taylor expansion of z in y
0.133 * [backup-simplify]: Simplify z into z
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 (* z 0) into 0
0.134 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.134 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.134 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.134 * [taylor]: Taking taylor expansion of x in y
0.134 * [backup-simplify]: Simplify x into x
0.134 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.134 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in x
0.134 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in x
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
0.134 * [backup-simplify]: Simplify (* z y) into (* z y)
0.134 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.134 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.134 * [taylor]: Taking taylor expansion of x in x
0.134 * [backup-simplify]: Simplify 0 into 0
0.134 * [backup-simplify]: Simplify 1 into 1
0.134 * [backup-simplify]: Simplify (/ 1 1) into 1
0.134 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in x
0.134 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in x
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
0.135 * [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 x) 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
0.135 * [backup-simplify]: Simplify (+ 0 1) into 1
0.135 * [backup-simplify]: Simplify (- 1) into -1
0.135 * [taylor]: Taking taylor expansion of -1 in y
0.135 * [backup-simplify]: Simplify -1 into -1
0.136 * [backup-simplify]: Simplify (* 4.0 (/ 1 (* z y))) into (/ 4.0 (* z y))
0.136 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.136 * [backup-simplify]: Simplify (+ (/ 4.0 (* z y)) 0) into (* 4.0 (/ 1 (* z y)))
0.136 * [backup-simplify]: Simplify (- (* 4.0 (/ 1 (* z y)))) into (- (* 4.0 (/ 1 (* z y))))
0.136 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.136 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.136 * [taylor]: Taking taylor expansion of 4.0 in y
0.136 * [backup-simplify]: Simplify 4.0 into 4.0
0.136 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.136 * [taylor]: Taking taylor expansion of (* z y) in y
0.136 * [taylor]: Taking taylor expansion of z in y
0.136 * [backup-simplify]: Simplify z into z
0.136 * [taylor]: Taking taylor expansion of y in y
0.136 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify 1 into 1
0.136 * [backup-simplify]: Simplify (* z 0) into 0
0.137 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.137 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.137 * [backup-simplify]: Simplify (* 4.0 (/ 1 z)) into (/ 4.0 z)
0.137 * [backup-simplify]: Simplify (- (/ 4.0 z)) into (- (* 4.0 (/ 1 z)))
0.137 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.137 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.137 * [taylor]: Taking taylor expansion of 4.0 in z
0.137 * [backup-simplify]: Simplify 4.0 into 4.0
0.137 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.137 * [taylor]: Taking taylor expansion of z in z
0.137 * [backup-simplify]: Simplify 0 into 0
0.137 * [backup-simplify]: Simplify 1 into 1
0.137 * [backup-simplify]: Simplify (/ 1 1) into 1
0.137 * [backup-simplify]: Simplify (* 4.0 1) into 4.0
0.138 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.138 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.138 * [taylor]: Taking taylor expansion of -1 in z
0.138 * [backup-simplify]: Simplify -1 into -1
0.138 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.138 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))))) into 0
0.138 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 (* z y)))) into 0
0.139 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.139 * [backup-simplify]: Simplify (+ 0 0) into 0
0.139 * [backup-simplify]: Simplify (- 0) into 0
0.139 * [taylor]: Taking taylor expansion of 0 in y
0.139 * [backup-simplify]: Simplify 0 into 0
0.140 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.140 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
0.140 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 z))) into 0
0.141 * [backup-simplify]: Simplify (- 0) into 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
0.141 * [backup-simplify]: Simplify 0 into 0
0.141 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.141 * [backup-simplify]: Simplify (+ (* 4.0 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 -1 into -1
0.142 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.142 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.143 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 (* z y))))) into 0
0.144 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.144 * [backup-simplify]: Simplify (+ 0 0) into 0
0.144 * [backup-simplify]: Simplify (- 0) into 0
0.144 * [taylor]: Taking taylor expansion of 0 in y
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 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.145 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.146 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
0.146 * [backup-simplify]: Simplify (- 0) into 0
0.146 * [taylor]: Taking taylor expansion of 0 in z
0.146 * [backup-simplify]: Simplify 0 into 0
0.146 * [taylor]: Taking taylor expansion of 0 in z
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 (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.148 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 1))) into 0
0.148 * [backup-simplify]: Simplify (- 0) into 0
0.148 * [backup-simplify]: Simplify 0 into 0
0.148 * [backup-simplify]: Simplify 0 into 0
0.149 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.149 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.150 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (* z y)))))) into 0
0.151 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.151 * [backup-simplify]: Simplify (+ 0 0) into 0
0.152 * [backup-simplify]: Simplify (- 0) into 0
0.152 * [taylor]: Taking taylor expansion of 0 in y
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 (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.153 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.154 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 z))))) into 0
0.154 * [backup-simplify]: Simplify (- 0) into 0
0.154 * [taylor]: Taking taylor expansion of 0 in z
0.154 * [backup-simplify]: Simplify 0 into 0
0.154 * [taylor]: Taking taylor expansion of 0 in z
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 (* 1 (* 1 (/ 1 (/ 1 (- x)))))) (* (- 4.0) (* (/ 1 (/ 1 (- z))) (* (/ 1 (/ 1 (- y))) 1)))) into (- x (* 4.0 (* z y)))
0.155 * * * [progress]: simplifying candidates
0.156 * [simplify]: Simplifying:
  (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* z (* y 4.0))))
  (fma (- z) (* y 4.0) (* z (* y 4.0)))
  (fma (sqrt x) (sqrt x) (- (* z (* y 4.0))))
  (fma (- z) (* y 4.0) (* z (* y 4.0)))
  (fma 1 x (- (* z (* y 4.0))))
  (fma (- z) (* y 4.0) (* z (* y 4.0)))
  (expm1 (- x (* (* y 4.0) z)))
  (log1p (- x (* (* y 4.0) z)))
  (- (* (* y 4.0) z))
  (- (* (* y 4.0) z))
  (- (* (* y 4.0) z))
  (/ (exp x) (exp (* (* y 4.0) z)))
  (log (- x (* (* y 4.0) z)))
  (exp (- x (* (* y 4.0) z)))
  (* (cbrt (- x (* (* y 4.0) z))) (cbrt (- x (* (* y 4.0) z))))
  (cbrt (- x (* (* y 4.0) z)))
  (* (* (- x (* (* y 4.0) z)) (- x (* (* y 4.0) z))) (- x (* (* y 4.0) z)))
  (sqrt (- x (* (* y 4.0) z)))
  (sqrt (- x (* (* y 4.0) z)))
  (- (pow x 3) (pow (* (* y 4.0) z) 3))
  (+ (* x x) (+ (* (* (* y 4.0) z) (* (* y 4.0) z)) (* x (* (* y 4.0) z))))
  (- (* (* y 4.0) z))
  (- (* x x) (* (* (* y 4.0) z) (* (* y 4.0) z)))
  (+ x (* (* y 4.0) z))
  (- (* (* y 4.0) z))
  x
  (- x (* 4.0 (* z y)))
  (- x (* 4.0 (* z y)))
0.156 * * [simplify]: Extracting # 0 : cost  0
0.157 * * [simplify]: Extracting # 1 : cost  0
0.157 * * [simplify]: Extracting # 2 : cost  0
0.157 * * [simplify]: Extracting # 3 : cost  0
0.157 * * [simplify]: Extracting # 4 : cost  0
0.157 * * [simplify]: Extracting # 5 : cost  0
0.157 * * [simplify]: Extracting # 6 : cost  0
0.157 * * [simplify]: Extracting # 7 : cost  0
0.157 * * [simplify]: iteration  0 :  45  enodes  (cost  273 )
0.173 * * [simplify]: Extracting # 0 : cost  0
0.173 * * [simplify]: Extracting # 1 : cost  0
0.173 * * [simplify]: Extracting # 2 : cost  0
0.173 * * [simplify]: Extracting # 3 : cost  0
0.173 * * [simplify]: iteration  1 :  109  enodes  (cost  265 )
0.209 * * [simplify]: Extracting # 0 : cost  0
0.209 * * [simplify]: Extracting # 1 : cost  0
0.210 * * [simplify]: Extracting # 2 : cost  0
0.210 * * [simplify]: Extracting # 3 : cost  0
0.210 * * [simplify]: Extracting # 4 : cost  0
0.211 * * [simplify]: Extracting # 5 : cost  0
0.211 * * [simplify]: iteration  2 :  402  enodes  (cost  233 )
0.594 * * [simplify]: Extracting # 0 : cost  0
0.597 * * [simplify]: Extracting # 1 : cost  0
0.600 * * [simplify]: Extracting # 2 : cost  0
0.604 * * [simplify]: Extracting # 3 : cost  0
0.606 * * [simplify]: Extracting # 4 : cost  0
0.608 * * [simplify]: iteration  3 :  1948  enodes  (cost  229 )
2.331 * * [simplify]: Extracting # 0 : cost  0
2.346 * * [simplify]: Extracting # 1 : cost  0
2.353 * * [simplify]: Extracting # 2 : cost  0
2.360 * * [simplify]: Extracting # 3 : cost  0
2.372 * * [simplify]: Extracting # 4 : cost  0
2.379 * * [simplify]: iteration done:  5000  enodes  (cost  205 )
2.380 * [simplify]: Simplified to:
  (fma (- 4.0) (* z y) x)
  0
  (fma (- 4.0) (* z y) x)
  0
  (fma (- 4.0) (* z y) x)
  0
  (expm1 (- x (* (* y 4.0) z)))
  (log1p (- x (* (* y 4.0) z)))
  (- (* (* y 4.0) z))
  (- (* (* y 4.0) z))
  (- (* (* y 4.0) z))
  (exp (- x (* (* y 4.0) z)))
  (log (- x (* (* y 4.0) z)))
  (exp (- x (* (* y 4.0) z)))
  (* (cbrt (- x (* (* y 4.0) z))) (cbrt (- x (* (* y 4.0) z))))
  (cbrt (- x (* (* y 4.0) z)))
  (pow (- x (* 4.0 (* z y))) 3)
  (sqrt (- x (* (* y 4.0) z)))
  (sqrt (- x (* (* y 4.0) z)))
  (- (pow x 3) (pow (* (* y 4.0) z) 3))
  (fma (* 4.0 (* z y)) (fma z (* y 4.0) x) (* x x))
  (- (* (* y 4.0) z))
  (* (fma z (* y 4.0) x) (- x (* 4.0 (* z y))))
  (fma z (* y 4.0) x)
  (- (* (* y 4.0) z))
  x
  (fma (- 4.0) (* z y) x)
  (fma (- 4.0) (* z y) x)
2.380 * * * [progress]: adding candidates to table
2.434 * [progress]: [Phase 3 of 3] Extracting.
2.436 * [simplify]: Simplifying:
  (- x (* (* y 4.0) z))
2.436 * * [simplify]: Extracting # 0 : cost  0
2.436 * * [simplify]: Extracting # 1 : cost  0
2.436 * * [simplify]: Extracting # 2 : cost  0
2.436 * * [simplify]: Extracting # 3 : cost  0
2.436 * * [simplify]: Extracting # 4 : cost  0
2.436 * * [simplify]: Extracting # 5 : cost  0
2.437 * * [simplify]: iteration  0 :  7  enodes  (cost  7 )
2.437 * * [simplify]: Extracting # 0 : cost  0
2.437 * * [simplify]: iteration  1 :  9  enodes  (cost  7 )
2.438 * * [simplify]: Extracting # 0 : cost  0
2.438 * * [simplify]: iteration done:  9  enodes  (cost  7 )
2.438 * [simplify]: Simplified to:
  (- x (* (* y 4.0) z))
3.400 * [regime-testing]: Baseline error score: 0.038629828728591074
3.404 * [regime-testing]: Oracle error score: 0.038629828728591074
3.404 * [regime-testing]: End program error score: 0.038629828728591074