16.125 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.027 * * * [progress]: [2/2] Setting up program.
0.033 * [progress]: [Phase 2 of 3] Improving.
0.033 * [simplify]: Simplifying:
  (- x (* (* y 4.0) z))
0.034 * * [simplify]: iteration 0: 7 enodes
0.035 * * [simplify]: iteration 1: 13 enodes
0.040 * * [simplify]: iteration 2: 31 enodes
0.049 * * [simplify]: iteration 3: 63 enodes
0.070 * * [simplify]: iteration 4: 80 enodes
0.089 * * [simplify]: iteration complete: 80 enodes
0.089 * * [simplify]: Extracting #0: cost 1 inf + 0
0.089 * * [simplify]: Extracting #1: cost 16 inf + 0
0.090 * * [simplify]: Extracting #2: cost 5 inf + 458
0.090 * * [simplify]: Extracting #3: cost 0 inf + 829
0.091 * [simplify]: Simplified to:
  (- x (* (* 4.0 y) z))
0.092 * * [progress]: iteration 1 / 4
0.092 * * * [progress]: picking best candidate
0.099 * * * * [pick]: Picked  #<alt (λ (x y z) (- x (* (* y 4.0) z)))>
0.099 * * * [progress]: localizing error
0.112 * * * [progress]: generating rewritten candidates
0.112 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.117 * * * [progress]: generating series expansions
0.117 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.117 * [backup-simplify]: Simplify (- x (* (* y 4.0) z)) into (- x (* 4.0 (* z y)))
0.117 * [approximate]: Taking taylor expansion of (- x (* 4.0 (* z y))) in (x y z) around 0
0.117 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in z
0.117 * [taylor]: Taking taylor expansion of x in z
0.117 * [backup-simplify]: Simplify x into x
0.117 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in z
0.117 * [taylor]: Taking taylor expansion of 4.0 in z
0.117 * [backup-simplify]: Simplify 4.0 into 4.0
0.117 * [taylor]: Taking taylor expansion of (* z y) in z
0.117 * [taylor]: Taking taylor expansion of z in z
0.117 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify 1 into 1
0.117 * [taylor]: Taking taylor expansion of y in z
0.117 * [backup-simplify]: Simplify y into y
0.117 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in y
0.117 * [taylor]: Taking taylor expansion of x in y
0.117 * [backup-simplify]: Simplify x into x
0.117 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.117 * [taylor]: Taking taylor expansion of 4.0 in y
0.117 * [backup-simplify]: Simplify 4.0 into 4.0
0.117 * [taylor]: Taking taylor expansion of (* z y) in y
0.117 * [taylor]: Taking taylor expansion of z in y
0.117 * [backup-simplify]: Simplify z into z
0.117 * [taylor]: Taking taylor expansion of y in y
0.117 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify 1 into 1
0.117 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in x
0.118 * [taylor]: Taking taylor expansion of x in x
0.118 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify 1 into 1
0.118 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.118 * [taylor]: Taking taylor expansion of 4.0 in x
0.118 * [backup-simplify]: Simplify 4.0 into 4.0
0.118 * [taylor]: Taking taylor expansion of (* z y) in x
0.118 * [taylor]: Taking taylor expansion of z in x
0.118 * [backup-simplify]: Simplify z into z
0.118 * [taylor]: Taking taylor expansion of y in x
0.118 * [backup-simplify]: Simplify y into y
0.118 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in x
0.118 * [taylor]: Taking taylor expansion of x in x
0.118 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify 1 into 1
0.118 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.118 * [taylor]: Taking taylor expansion of 4.0 in x
0.118 * [backup-simplify]: Simplify 4.0 into 4.0
0.118 * [taylor]: Taking taylor expansion of (* z y) in x
0.118 * [taylor]: Taking taylor expansion of z in x
0.118 * [backup-simplify]: Simplify z into z
0.118 * [taylor]: Taking taylor expansion of y in x
0.118 * [backup-simplify]: Simplify y into y
0.118 * [backup-simplify]: Simplify (* z y) into (* z y)
0.118 * [backup-simplify]: Simplify (* 4.0 (* z y)) into (* 4.0 (* z y))
0.118 * [backup-simplify]: Simplify (- (* 4.0 (* z y))) into (- (* 4.0 (* z y)))
0.118 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (* z y)))) into (- (* 4.0 (* z y)))
0.118 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in y
0.118 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.118 * [taylor]: Taking taylor expansion of 4.0 in y
0.118 * [backup-simplify]: Simplify 4.0 into 4.0
0.118 * [taylor]: Taking taylor expansion of (* z y) in y
0.118 * [taylor]: Taking taylor expansion of z in y
0.118 * [backup-simplify]: Simplify z into z
0.118 * [taylor]: Taking taylor expansion of y in y
0.118 * [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 (* 4.0 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
0.119 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.120 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (* z y))) into 0
0.120 * [backup-simplify]: Simplify (- 0) into 0
0.120 * [backup-simplify]: Simplify (+ 1 0) into 1
0.120 * [taylor]: Taking taylor expansion of 1 in y
0.120 * [backup-simplify]: Simplify 1 into 1
0.120 * [taylor]: Taking taylor expansion of 1 in z
0.120 * [backup-simplify]: Simplify 1 into 1
0.120 * [backup-simplify]: Simplify 1 into 1
0.121 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.121 * [backup-simplify]: Simplify (+ (* 4.0 z) (* 0 0)) into (* 4.0 z)
0.121 * [backup-simplify]: Simplify (- (* 4.0 z)) into (- (* 4.0 z))
0.121 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z
0.121 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.121 * [taylor]: Taking taylor expansion of 4.0 in z
0.121 * [backup-simplify]: Simplify 4.0 into 4.0
0.121 * [taylor]: Taking taylor expansion of z in z
0.121 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify 1 into 1
0.121 * [backup-simplify]: Simplify (* 4.0 0) into 0
0.121 * [backup-simplify]: Simplify (- 0) into 0
0.122 * [backup-simplify]: Simplify 0 into 0
0.122 * [backup-simplify]: Simplify 0 into 0
0.122 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.122 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (* z y)))) into 0
0.123 * [backup-simplify]: Simplify (- 0) into 0
0.123 * [backup-simplify]: Simplify (+ 0 0) into 0
0.123 * [taylor]: Taking taylor expansion of 0 in y
0.123 * [backup-simplify]: Simplify 0 into 0
0.123 * [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 * [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 (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.124 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 z) (* 0 0))) into 0
0.124 * [backup-simplify]: Simplify (- 0) into 0
0.124 * [taylor]: Taking taylor expansion of 0 in z
0.124 * [backup-simplify]: Simplify 0 into 0
0.124 * [backup-simplify]: Simplify 0 into 0
0.124 * [backup-simplify]: Simplify 0 into 0
0.124 * [backup-simplify]: Simplify (* 1 (* 1 (* 1 x))) into x
0.124 * [backup-simplify]: Simplify (- (/ 1 x) (* (* (/ 1 y) 4.0) (/ 1 z))) into (- (/ 1 x) (* 4.0 (/ 1 (* z y))))
0.124 * [approximate]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.124 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in z
0.125 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.125 * [taylor]: Taking taylor expansion of x in z
0.125 * [backup-simplify]: Simplify x into x
0.125 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.125 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.125 * [taylor]: Taking taylor expansion of 4.0 in z
0.125 * [backup-simplify]: Simplify 4.0 into 4.0
0.125 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.125 * [taylor]: Taking taylor expansion of (* z y) in z
0.125 * [taylor]: Taking taylor expansion of z in z
0.125 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify 1 into 1
0.125 * [taylor]: Taking taylor expansion of y in z
0.125 * [backup-simplify]: Simplify y into y
0.125 * [backup-simplify]: Simplify (* 0 y) into 0
0.125 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.125 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.125 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in y
0.125 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.125 * [taylor]: Taking taylor expansion of x in y
0.125 * [backup-simplify]: Simplify x into x
0.125 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.125 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.125 * [taylor]: Taking taylor expansion of 4.0 in y
0.125 * [backup-simplify]: Simplify 4.0 into 4.0
0.125 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.125 * [taylor]: Taking taylor expansion of (* z y) in y
0.125 * [taylor]: Taking taylor expansion of z in y
0.125 * [backup-simplify]: Simplify z into z
0.125 * [taylor]: Taking taylor expansion of y in y
0.125 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify 1 into 1
0.125 * [backup-simplify]: Simplify (* z 0) into 0
0.126 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.126 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.126 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in x
0.126 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.126 * [taylor]: Taking taylor expansion of x in x
0.126 * [backup-simplify]: Simplify 0 into 0
0.126 * [backup-simplify]: Simplify 1 into 1
0.126 * [backup-simplify]: Simplify (/ 1 1) into 1
0.126 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.126 * [taylor]: Taking taylor expansion of 4.0 in x
0.126 * [backup-simplify]: Simplify 4.0 into 4.0
0.126 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.126 * [taylor]: Taking taylor expansion of (* z y) in x
0.126 * [taylor]: Taking taylor expansion of z in x
0.126 * [backup-simplify]: Simplify z into z
0.126 * [taylor]: Taking taylor expansion of y in x
0.126 * [backup-simplify]: Simplify y into y
0.126 * [backup-simplify]: Simplify (* z y) into (* z y)
0.126 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.126 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in x
0.126 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.126 * [taylor]: Taking taylor expansion of x in x
0.126 * [backup-simplify]: Simplify 0 into 0
0.126 * [backup-simplify]: Simplify 1 into 1
0.127 * [backup-simplify]: Simplify (/ 1 1) into 1
0.127 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.127 * [taylor]: Taking taylor expansion of 4.0 in x
0.127 * [backup-simplify]: Simplify 4.0 into 4.0
0.127 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.127 * [taylor]: Taking taylor expansion of (* z y) in x
0.127 * [taylor]: Taking taylor expansion of z in x
0.127 * [backup-simplify]: Simplify z into z
0.127 * [taylor]: Taking taylor expansion of y in x
0.127 * [backup-simplify]: Simplify y into y
0.127 * [backup-simplify]: Simplify (* z y) into (* z y)
0.127 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.127 * [backup-simplify]: Simplify (+ 1 0) into 1
0.127 * [taylor]: Taking taylor expansion of 1 in y
0.127 * [backup-simplify]: Simplify 1 into 1
0.128 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.128 * [backup-simplify]: Simplify (* 4.0 (/ 1 (* z y))) into (/ 4.0 (* z y))
0.128 * [backup-simplify]: Simplify (- (/ 4.0 (* z y))) into (- (* 4.0 (/ 1 (* z y))))
0.128 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (/ 1 (* z y))))) into (- (* 4.0 (/ 1 (* z y))))
0.128 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.128 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.128 * [taylor]: Taking taylor expansion of 4.0 in y
0.128 * [backup-simplify]: Simplify 4.0 into 4.0
0.128 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.128 * [taylor]: Taking taylor expansion of (* z y) in y
0.128 * [taylor]: Taking taylor expansion of z in y
0.128 * [backup-simplify]: Simplify z into z
0.128 * [taylor]: Taking taylor expansion of y in y
0.128 * [backup-simplify]: Simplify 0 into 0
0.128 * [backup-simplify]: Simplify 1 into 1
0.128 * [backup-simplify]: Simplify (* z 0) into 0
0.128 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.128 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.128 * [backup-simplify]: Simplify (* 4.0 (/ 1 z)) into (/ 4.0 z)
0.128 * [backup-simplify]: Simplify (- (/ 4.0 z)) into (- (* 4.0 (/ 1 z)))
0.129 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.129 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.129 * [taylor]: Taking taylor expansion of 4.0 in z
0.129 * [backup-simplify]: Simplify 4.0 into 4.0
0.129 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.129 * [taylor]: Taking taylor expansion of z in z
0.129 * [backup-simplify]: Simplify 0 into 0
0.129 * [backup-simplify]: Simplify 1 into 1
0.129 * [backup-simplify]: Simplify (/ 1 1) into 1
0.129 * [backup-simplify]: Simplify (* 4.0 1) into 4.0
0.129 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.130 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.130 * [taylor]: Taking taylor expansion of 1 in z
0.130 * [backup-simplify]: Simplify 1 into 1
0.130 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.130 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.130 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))))) into 0
0.131 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 (* z y)))) into 0
0.131 * [backup-simplify]: Simplify (- 0) into 0
0.131 * [backup-simplify]: Simplify (+ 0 0) into 0
0.131 * [taylor]: Taking taylor expansion of 0 in y
0.131 * [backup-simplify]: Simplify 0 into 0
0.132 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.132 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
0.133 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 z))) into 0
0.133 * [backup-simplify]: Simplify (- 0) into 0
0.133 * [taylor]: Taking taylor expansion of 0 in z
0.133 * [backup-simplify]: Simplify 0 into 0
0.133 * [taylor]: Taking taylor expansion of 0 in z
0.133 * [backup-simplify]: Simplify 0 into 0
0.134 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.135 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 1)) into 0
0.135 * [backup-simplify]: Simplify (- 0) into 0
0.135 * [backup-simplify]: Simplify 0 into 0
0.135 * [backup-simplify]: Simplify 1 into 1
0.136 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.137 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.137 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.138 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 (* z y))))) into 0
0.138 * [backup-simplify]: Simplify (- 0) into 0
0.139 * [backup-simplify]: Simplify (+ 0 0) into 0
0.139 * [taylor]: Taking taylor expansion of 0 in y
0.139 * [backup-simplify]: Simplify 0 into 0
0.139 * [taylor]: Taking taylor expansion of 0 in z
0.139 * [backup-simplify]: Simplify 0 into 0
0.140 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.140 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.141 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 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 0 into 0
0.141 * [backup-simplify]: Simplify 0 into 0
0.142 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.143 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 1))) into 0
0.144 * [backup-simplify]: Simplify (- 0) into 0
0.144 * [backup-simplify]: Simplify 0 into 0
0.144 * [backup-simplify]: Simplify 0 into 0
0.145 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.145 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.146 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.147 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (* z y)))))) into 0
0.147 * [backup-simplify]: Simplify (- 0) into 0
0.148 * [backup-simplify]: Simplify (+ 0 0) into 0
0.148 * [taylor]: Taking taylor expansion of 0 in y
0.148 * [backup-simplify]: Simplify 0 into 0
0.148 * [taylor]: Taking taylor expansion of 0 in z
0.148 * [backup-simplify]: Simplify 0 into 0
0.148 * [taylor]: Taking taylor expansion of 0 in z
0.148 * [backup-simplify]: Simplify 0 into 0
0.149 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.149 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.150 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 z))))) into 0
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 * [taylor]: Taking taylor expansion of 0 in z
0.150 * [backup-simplify]: Simplify 0 into 0
0.151 * [backup-simplify]: Simplify 0 into 0
0.151 * [backup-simplify]: Simplify 0 into 0
0.151 * [backup-simplify]: Simplify (+ (* 1 (* 1 (* 1 (/ 1 (/ 1 x))))) (* (- 4.0) (* (/ 1 (/ 1 z)) (* (/ 1 (/ 1 y)) 1)))) into (- x (* 4.0 (* z y)))
0.152 * [backup-simplify]: Simplify (- (/ 1 (- x)) (* (* (/ 1 (- y)) 4.0) (/ 1 (- z)))) into (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)))
0.152 * [approximate]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in (x y z) around 0
0.152 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in z
0.152 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in z
0.152 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.152 * [taylor]: Taking taylor expansion of 4.0 in z
0.152 * [backup-simplify]: Simplify 4.0 into 4.0
0.152 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.152 * [taylor]: Taking taylor expansion of (* z y) in z
0.152 * [taylor]: Taking taylor expansion of z in z
0.152 * [backup-simplify]: Simplify 0 into 0
0.152 * [backup-simplify]: Simplify 1 into 1
0.152 * [taylor]: Taking taylor expansion of y in z
0.152 * [backup-simplify]: Simplify y into y
0.152 * [backup-simplify]: Simplify (* 0 y) into 0
0.152 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.152 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.152 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.152 * [taylor]: Taking taylor expansion of x in z
0.153 * [backup-simplify]: Simplify x into x
0.153 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.153 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in y
0.153 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in y
0.153 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.153 * [taylor]: Taking taylor expansion of 4.0 in y
0.153 * [backup-simplify]: Simplify 4.0 into 4.0
0.153 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.153 * [taylor]: Taking taylor expansion of (* z y) in y
0.153 * [taylor]: Taking taylor expansion of z in y
0.153 * [backup-simplify]: Simplify z into z
0.153 * [taylor]: Taking taylor expansion of y in y
0.153 * [backup-simplify]: Simplify 0 into 0
0.153 * [backup-simplify]: Simplify 1 into 1
0.153 * [backup-simplify]: Simplify (* z 0) into 0
0.153 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.153 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.153 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.153 * [taylor]: Taking taylor expansion of x in y
0.153 * [backup-simplify]: Simplify x into x
0.154 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.154 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in x
0.154 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in x
0.154 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.154 * [taylor]: Taking taylor expansion of 4.0 in x
0.154 * [backup-simplify]: Simplify 4.0 into 4.0
0.154 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.154 * [taylor]: Taking taylor expansion of (* z y) in x
0.154 * [taylor]: Taking taylor expansion of z in x
0.154 * [backup-simplify]: Simplify z into z
0.154 * [taylor]: Taking taylor expansion of y in x
0.154 * [backup-simplify]: Simplify y into y
0.154 * [backup-simplify]: Simplify (* z y) into (* z y)
0.154 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.154 * [taylor]: Taking taylor expansion of (/ 1 x) 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
0.154 * [backup-simplify]: Simplify (/ 1 1) into 1
0.154 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in x
0.154 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in x
0.154 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.154 * [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 x) 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
0.155 * [backup-simplify]: Simplify (/ 1 1) into 1
0.156 * [backup-simplify]: Simplify (+ 0 1) into 1
0.156 * [backup-simplify]: Simplify (- 1) into -1
0.156 * [taylor]: Taking taylor expansion of -1 in y
0.156 * [backup-simplify]: Simplify -1 into -1
0.156 * [backup-simplify]: Simplify (* 4.0 (/ 1 (* z y))) into (/ 4.0 (* z y))
0.157 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.157 * [backup-simplify]: Simplify (+ (/ 4.0 (* z y)) 0) into (* 4.0 (/ 1 (* z y)))
0.157 * [backup-simplify]: Simplify (- (* 4.0 (/ 1 (* z y)))) into (- (* 4.0 (/ 1 (* z y))))
0.157 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.157 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.157 * [taylor]: Taking taylor expansion of 4.0 in y
0.157 * [backup-simplify]: Simplify 4.0 into 4.0
0.157 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.157 * [taylor]: Taking taylor expansion of (* z y) in y
0.157 * [taylor]: Taking taylor expansion of z in y
0.157 * [backup-simplify]: Simplify z into z
0.157 * [taylor]: Taking taylor expansion of y in y
0.157 * [backup-simplify]: Simplify 0 into 0
0.157 * [backup-simplify]: Simplify 1 into 1
0.157 * [backup-simplify]: Simplify (* z 0) into 0
0.158 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.158 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.158 * [backup-simplify]: Simplify (* 4.0 (/ 1 z)) into (/ 4.0 z)
0.158 * [backup-simplify]: Simplify (- (/ 4.0 z)) into (- (* 4.0 (/ 1 z)))
0.158 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.158 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.158 * [taylor]: Taking taylor expansion of 4.0 in z
0.158 * [backup-simplify]: Simplify 4.0 into 4.0
0.158 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.158 * [taylor]: Taking taylor expansion of z in z
0.158 * [backup-simplify]: Simplify 0 into 0
0.158 * [backup-simplify]: Simplify 1 into 1
0.159 * [backup-simplify]: Simplify (/ 1 1) into 1
0.159 * [backup-simplify]: Simplify (* 4.0 1) into 4.0
0.159 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.160 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.160 * [taylor]: Taking taylor expansion of -1 in z
0.160 * [backup-simplify]: Simplify -1 into -1
0.160 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.160 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))))) into 0
0.161 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 (* z y)))) into 0
0.161 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.162 * [backup-simplify]: Simplify (+ 0 0) into 0
0.162 * [backup-simplify]: Simplify (- 0) into 0
0.162 * [taylor]: Taking taylor expansion of 0 in y
0.162 * [backup-simplify]: Simplify 0 into 0
0.163 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.163 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
0.163 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 z))) into 0
0.164 * [backup-simplify]: Simplify (- 0) into 0
0.164 * [taylor]: Taking taylor expansion of 0 in z
0.164 * [backup-simplify]: Simplify 0 into 0
0.164 * [taylor]: Taking taylor expansion of 0 in z
0.164 * [backup-simplify]: Simplify 0 into 0
0.165 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.165 * [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 -1 into -1
0.167 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.167 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.168 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 (* z y))))) into 0
0.169 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.169 * [backup-simplify]: Simplify (+ 0 0) into 0
0.170 * [backup-simplify]: Simplify (- 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
0.171 * [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
0.172 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
0.173 * [backup-simplify]: Simplify (- 0) into 0
0.173 * [taylor]: Taking taylor expansion of 0 in z
0.173 * [backup-simplify]: Simplify 0 into 0
0.173 * [taylor]: Taking taylor expansion of 0 in z
0.173 * [backup-simplify]: Simplify 0 into 0
0.173 * [backup-simplify]: Simplify 0 into 0
0.173 * [backup-simplify]: Simplify 0 into 0
0.174 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.175 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 1))) into 0
0.175 * [backup-simplify]: Simplify (- 0) into 0
0.175 * [backup-simplify]: Simplify 0 into 0
0.176 * [backup-simplify]: Simplify 0 into 0
0.176 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.177 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.178 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (* z y)))))) into 0
0.179 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.179 * [backup-simplify]: Simplify (+ 0 0) into 0
0.180 * [backup-simplify]: Simplify (- 0) into 0
0.180 * [taylor]: Taking taylor expansion of 0 in y
0.180 * [backup-simplify]: Simplify 0 into 0
0.180 * [taylor]: Taking taylor expansion of 0 in z
0.180 * [backup-simplify]: Simplify 0 into 0
0.180 * [taylor]: Taking taylor expansion of 0 in z
0.180 * [backup-simplify]: Simplify 0 into 0
0.181 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.181 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.182 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 z))))) into 0
0.183 * [backup-simplify]: Simplify (- 0) into 0
0.183 * [taylor]: Taking taylor expansion of 0 in z
0.183 * [backup-simplify]: Simplify 0 into 0
0.183 * [taylor]: Taking taylor expansion of 0 in z
0.183 * [backup-simplify]: Simplify 0 into 0
0.183 * [backup-simplify]: Simplify 0 into 0
0.183 * [backup-simplify]: Simplify 0 into 0
0.184 * [backup-simplify]: Simplify (+ (* -1 (* 1 (* 1 (/ 1 (/ 1 (- x)))))) (* (- 4.0) (* (/ 1 (/ 1 (- z))) (* (/ 1 (/ 1 (- y))) 1)))) into (- x (* 4.0 (* z y)))
0.184 * * * [progress]: simplifying candidates
0.184 * [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)))
0.185 * * [simplify]: iteration 0: 45 enodes
0.196 * * [simplify]: iteration 1: 109 enodes
0.241 * * [simplify]: iteration 2: 503 enodes
0.847 * * [simplify]: iteration 3: 3276 enodes
2.184 * * [simplify]: iteration complete: 5000 enodes
2.184 * * [simplify]: Extracting #0: cost 17 inf + 0
2.186 * * [simplify]: Extracting #1: cost 460 inf + 1
2.199 * * [simplify]: Extracting #2: cost 607 inf + 27761
2.250 * * [simplify]: Extracting #3: cost 98 inf + 109007
2.344 * * [simplify]: Extracting #4: cost 29 inf + 121976
2.416 * * [simplify]: Extracting #5: cost 2 inf + 130824
2.518 * * [simplify]: Extracting #6: cost 0 inf + 131703
2.598 * [simplify]: Simplified to:
  (- (* (* (cbrt x) (cbrt x)) (cbrt x)) (* z (* y 4.0)))
  (- (* z (* y 4.0)) (* z (* y 4.0)))
  (- x (* z (* y 4.0)))
  (- (* z (* y 4.0)) (* z (* y 4.0)))
  (- x (* z (* y 4.0)))
  (- (* z (* y 4.0)) (* z (* y 4.0)))
  (expm1 (- x (* z (* y 4.0))))
  (log1p (- x (* z (* y 4.0))))
  (- (* z (* y 4.0)))
  (- (* z (* y 4.0)))
  (- (* z (* y 4.0)))
  (exp (- x (* z (* y 4.0))))
  (log (- x (* z (* y 4.0))))
  (exp (- x (* z (* y 4.0))))
  (* (cbrt (- x (* z (* y 4.0)))) (cbrt (- x (* z (* y 4.0)))))
  (cbrt (- x (* z (* y 4.0))))
  (* (- x (* z (* y 4.0))) (* (- x (* z (* y 4.0))) (- x (* z (* y 4.0)))))
  (sqrt (- x (* z (* y 4.0))))
  (sqrt (- x (* z (* y 4.0))))
  (- (* (* x x) x) (* (* (* z (* y 4.0)) (* z (* y 4.0))) (* z (* y 4.0))))
  (fma (* z (* y 4.0)) (+ x (* z (* y 4.0))) (* x x))
  (- (* z (* y 4.0)))
  (- (* x x) (* (* z (* y 4.0)) (* z (* y 4.0))))
  (fma (* y 4.0) z x)
  (- (* z (* y 4.0)))
  x
  (- x (* z (* y 4.0)))
  (- x (* z (* y 4.0)))
2.599 * * * [progress]: adding candidates to table
2.723 * [progress]: [Phase 3 of 3] Extracting.
2.730 * [simplify]: Simplifying:
  (- x (* (* y 4.0) z))
2.731 * * [simplify]: iteration 0: 7 enodes
2.731 * * [simplify]: iteration 1: 9 enodes
2.732 * * [simplify]: iteration complete: 9 enodes
2.732 * * [simplify]: Extracting #0: cost 1 inf + 0
2.732 * * [simplify]: Extracting #1: cost 3 inf + 0
2.732 * * [simplify]: Extracting #2: cost 4 inf + 1
2.732 * * [simplify]: Extracting #3: cost 5 inf + 2
2.732 * * [simplify]: Extracting #4: cost 0 inf + 253
2.732 * [simplify]: Simplified to:
  (- x (* (* 4.0 y) z))
3.745 * [regime-testing]: Baseline error score: 0.06917388774782941
3.753 * [regime-testing]: Oracle error score: 0.06917388774782941
3.753 * [regime-testing]: End program error score: 0.06917388774782941