1.968 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.019 * * * [progress]: [2/2] Setting up program.
0.022 * [progress]: [Phase 2 of 3] Improving.
0.023 * [simplify]: Simplifying:
  (- x (* (* y 4.0) z))
0.023 * * [simplify]: iteration 0: 7 enodes
0.025 * * [simplify]: iteration 1: 13 enodes
0.029 * * [simplify]: iteration 2: 31 enodes
0.038 * * [simplify]: iteration 3: 57 enodes
0.056 * * [simplify]: iteration 4: 65 enodes
0.073 * * [simplify]: iteration complete: 65 enodes
0.073 * * [simplify]: Extracting #0: cost 1 inf + 0
0.073 * * [simplify]: Extracting #1: cost 4 inf + 0
0.073 * * [simplify]: Extracting #2: cost 15 inf + 1
0.073 * * [simplify]: Extracting #3: cost 5 inf + 29
0.073 * * [simplify]: Extracting #4: cost 0 inf + 49
0.073 * [simplify]: Simplified to:
  (- x (* (* 4.0 y) z))
0.081 * * [progress]: iteration 1 / 4
0.081 * * * [progress]: picking best candidate
0.087 * * * * [pick]: Picked  #<alt (λ (x y z) (- x (* (* 4.0 y) z)))>
0.087 * * * [progress]: localizing error
0.102 * * * [progress]: generating rewritten candidates
0.102 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.111 * * * [progress]: generating series expansions
0.111 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.111 * [backup-simplify]: Simplify (- x (* (* 4.0 y) z)) into (- x (* 4.0 (* z y)))
0.111 * [approximate]: Taking taylor expansion of (- x (* 4.0 (* z y))) in (x y z) around 0
0.111 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in z
0.111 * [taylor]: Taking taylor expansion of x in z
0.111 * [backup-simplify]: Simplify x into x
0.111 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) 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 (* z y) in z
0.112 * [taylor]: Taking taylor expansion of z in z
0.112 * [backup-simplify]: Simplify 0 into 0
0.112 * [backup-simplify]: Simplify 1 into 1
0.112 * [taylor]: Taking taylor expansion of y in z
0.112 * [backup-simplify]: Simplify y into y
0.112 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in y
0.112 * [taylor]: Taking taylor expansion of x in y
0.112 * [backup-simplify]: Simplify x into x
0.112 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.112 * [taylor]: Taking taylor expansion of 4.0 in y
0.112 * [backup-simplify]: Simplify 4.0 into 4.0
0.112 * [taylor]: Taking taylor expansion of (* z y) in y
0.112 * [taylor]: Taking taylor expansion of z in y
0.112 * [backup-simplify]: Simplify z into z
0.112 * [taylor]: Taking taylor expansion of y in y
0.112 * [backup-simplify]: Simplify 0 into 0
0.112 * [backup-simplify]: Simplify 1 into 1
0.112 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) 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 * [taylor]: Taking taylor expansion of (* 4.0 (* 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 (* 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 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) 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 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.112 * [taylor]: Taking taylor expansion of 4.0 in x
0.113 * [backup-simplify]: Simplify 4.0 into 4.0
0.113 * [taylor]: Taking taylor expansion of (* z y) in x
0.113 * [taylor]: Taking taylor expansion of z in x
0.113 * [backup-simplify]: Simplify z into z
0.113 * [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 (* 4.0 (* z y)) into (* 4.0 (* z y))
0.113 * [backup-simplify]: Simplify (- (* 4.0 (* z y))) into (- (* 4.0 (* z y)))
0.113 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (* z y)))) into (- (* 4.0 (* z y)))
0.113 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in y
0.113 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.113 * [taylor]: Taking taylor expansion of 4.0 in y
0.113 * [backup-simplify]: Simplify 4.0 into 4.0
0.113 * [taylor]: Taking taylor expansion of (* z y) in y
0.113 * [taylor]: Taking taylor expansion of z in y
0.113 * [backup-simplify]: Simplify z into z
0.113 * [taylor]: Taking taylor expansion of y in y
0.113 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify 1 into 1
0.114 * [backup-simplify]: Simplify (* z 0) into 0
0.124 * [backup-simplify]: Simplify (* 4.0 0) into 0
0.125 * [backup-simplify]: Simplify (- 0) into 0
0.125 * [taylor]: Taking taylor expansion of 0 in z
0.125 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.126 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (* z y))) into 0
0.127 * [backup-simplify]: Simplify (- 0) into 0
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 * [taylor]: Taking taylor expansion of 1 in z
0.128 * [backup-simplify]: Simplify 1 into 1
0.128 * [backup-simplify]: Simplify 1 into 1
0.128 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.129 * [backup-simplify]: Simplify (+ (* 4.0 z) (* 0 0)) into (* 4.0 z)
0.129 * [backup-simplify]: Simplify (- (* 4.0 z)) into (- (* 4.0 z))
0.129 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z
0.129 * [taylor]: Taking taylor expansion of (* 4.0 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 z in z
0.129 * [backup-simplify]: Simplify 0 into 0
0.129 * [backup-simplify]: Simplify 1 into 1
0.129 * [backup-simplify]: Simplify (* 4.0 0) into 0
0.130 * [backup-simplify]: Simplify (- 0) into 0
0.130 * [backup-simplify]: Simplify 0 into 0
0.130 * [backup-simplify]: Simplify 0 into 0
0.131 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.131 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (* 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
0.132 * [backup-simplify]: Simplify 0 into 0
0.132 * [taylor]: Taking taylor expansion of 0 in z
0.132 * [backup-simplify]: Simplify 0 into 0
0.132 * [backup-simplify]: Simplify 0 into 0
0.133 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.134 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 z) (* 0 0))) 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 * [backup-simplify]: Simplify 0 into 0
0.135 * [backup-simplify]: Simplify 0 into 0
0.135 * [backup-simplify]: Simplify (* 1 (* 1 (* 1 x))) into x
0.135 * [backup-simplify]: Simplify (- (/ 1 x) (* (* 4.0 (/ 1 y)) (/ 1 z))) into (- (/ 1 x) (* 4.0 (/ 1 (* z y))))
0.135 * [approximate]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.135 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in z
0.135 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.135 * [taylor]: Taking taylor expansion of x in z
0.135 * [backup-simplify]: Simplify x into x
0.135 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.135 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.135 * [taylor]: Taking taylor expansion of 4.0 in z
0.135 * [backup-simplify]: Simplify 4.0 into 4.0
0.135 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.135 * [taylor]: Taking taylor expansion of (* z y) in z
0.135 * [taylor]: Taking taylor expansion of z in z
0.135 * [backup-simplify]: Simplify 0 into 0
0.135 * [backup-simplify]: Simplify 1 into 1
0.135 * [taylor]: Taking taylor expansion of y in z
0.135 * [backup-simplify]: Simplify y into y
0.135 * [backup-simplify]: Simplify (* 0 y) into 0
0.136 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.136 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.136 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in y
0.136 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.136 * [taylor]: Taking taylor expansion of x in y
0.136 * [backup-simplify]: Simplify x into x
0.136 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
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 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in x
0.137 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.137 * [taylor]: Taking taylor expansion of x in x
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 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.137 * [taylor]: Taking taylor expansion of 4.0 in x
0.137 * [backup-simplify]: Simplify 4.0 into 4.0
0.138 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.138 * [taylor]: Taking taylor expansion of (* z y) in x
0.138 * [taylor]: Taking taylor expansion of z in x
0.138 * [backup-simplify]: Simplify z into z
0.138 * [taylor]: Taking taylor expansion of y in x
0.138 * [backup-simplify]: Simplify y into y
0.138 * [backup-simplify]: Simplify (* z y) into (* z y)
0.138 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.138 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in x
0.138 * [taylor]: Taking taylor expansion of (/ 1 x) 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 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.138 * [taylor]: Taking taylor expansion of 4.0 in x
0.138 * [backup-simplify]: Simplify 4.0 into 4.0
0.138 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.138 * [taylor]: Taking taylor expansion of (* z y) in x
0.138 * [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 * [backup-simplify]: Simplify (+ 1 0) into 1
0.139 * [taylor]: Taking taylor expansion of 1 in y
0.139 * [backup-simplify]: Simplify 1 into 1
0.140 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.140 * [backup-simplify]: Simplify (* 4.0 (/ 1 (* z y))) into (/ 4.0 (* z y))
0.140 * [backup-simplify]: Simplify (- (/ 4.0 (* z y))) into (- (* 4.0 (/ 1 (* z y))))
0.140 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (/ 1 (* z y))))) into (- (* 4.0 (/ 1 (* z y))))
0.141 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.141 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.141 * [taylor]: Taking taylor expansion of 4.0 in y
0.141 * [backup-simplify]: Simplify 4.0 into 4.0
0.141 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.141 * [taylor]: Taking taylor expansion of (* z y) in y
0.141 * [taylor]: Taking taylor expansion of z in y
0.141 * [backup-simplify]: Simplify z into z
0.141 * [taylor]: Taking taylor expansion of y in y
0.141 * [backup-simplify]: Simplify 0 into 0
0.141 * [backup-simplify]: Simplify 1 into 1
0.141 * [backup-simplify]: Simplify (* z 0) into 0
0.141 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.141 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.141 * [backup-simplify]: Simplify (* 4.0 (/ 1 z)) into (/ 4.0 z)
0.142 * [backup-simplify]: Simplify (- (/ 4.0 z)) into (- (* 4.0 (/ 1 z)))
0.142 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.142 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.142 * [taylor]: Taking taylor expansion of 4.0 in z
0.142 * [backup-simplify]: Simplify 4.0 into 4.0
0.142 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.142 * [taylor]: Taking taylor expansion of z in z
0.142 * [backup-simplify]: Simplify 0 into 0
0.142 * [backup-simplify]: Simplify 1 into 1
0.142 * [backup-simplify]: Simplify (/ 1 1) into 1
0.143 * [backup-simplify]: Simplify (* 4.0 1) into 4.0
0.143 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.143 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.143 * [taylor]: Taking taylor expansion of 1 in z
0.144 * [backup-simplify]: Simplify 1 into 1
0.144 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.145 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.145 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))))) into 0
0.145 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 (* z y)))) into 0
0.146 * [backup-simplify]: Simplify (- 0) into 0
0.146 * [backup-simplify]: Simplify (+ 0 0) into 0
0.146 * [taylor]: Taking taylor expansion of 0 in y
0.146 * [backup-simplify]: Simplify 0 into 0
0.147 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.147 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
0.148 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 z))) into 0
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 (- (+ (* 1 (/ 0 1)))) into 0
0.150 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 1)) into 0
0.150 * [backup-simplify]: Simplify (- 0) into 0
0.150 * [backup-simplify]: Simplify 0 into 0
0.150 * [backup-simplify]: Simplify 1 into 1
0.151 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.152 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.152 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.153 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 (* z y))))) into 0
0.153 * [backup-simplify]: Simplify (- 0) into 0
0.154 * [backup-simplify]: Simplify (+ 0 0) into 0
0.154 * [taylor]: Taking taylor expansion of 0 in y
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
0.155 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.155 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.156 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
0.157 * [backup-simplify]: Simplify (- 0) into 0
0.157 * [taylor]: Taking taylor expansion of 0 in z
0.157 * [backup-simplify]: Simplify 0 into 0
0.157 * [taylor]: Taking taylor expansion of 0 in z
0.157 * [backup-simplify]: Simplify 0 into 0
0.157 * [backup-simplify]: Simplify 0 into 0
0.157 * [backup-simplify]: Simplify 0 into 0
0.158 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.159 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 1))) into 0
0.159 * [backup-simplify]: Simplify (- 0) into 0
0.159 * [backup-simplify]: Simplify 0 into 0
0.159 * [backup-simplify]: Simplify 0 into 0
0.160 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.161 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.162 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.163 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (* z y)))))) into 0
0.164 * [backup-simplify]: Simplify (- 0) into 0
0.164 * [backup-simplify]: Simplify (+ 0 0) into 0
0.164 * [taylor]: Taking taylor expansion of 0 in y
0.164 * [backup-simplify]: Simplify 0 into 0
0.164 * [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 (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.166 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.167 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 z))))) into 0
0.167 * [backup-simplify]: Simplify (- 0) into 0
0.167 * [taylor]: Taking taylor expansion of 0 in z
0.167 * [backup-simplify]: Simplify 0 into 0
0.168 * [taylor]: Taking taylor expansion of 0 in z
0.168 * [backup-simplify]: Simplify 0 into 0
0.168 * [backup-simplify]: Simplify 0 into 0
0.168 * [backup-simplify]: Simplify 0 into 0
0.168 * [backup-simplify]: Simplify (+ (* 1 (* 1 (* 1 (/ 1 (/ 1 x))))) (* (- 4.0) (* (/ 1 (/ 1 z)) (* (/ 1 (/ 1 y)) 1)))) into (- x (* 4.0 (* z y)))
0.169 * [backup-simplify]: Simplify (- (/ 1 (- x)) (* (* 4.0 (/ 1 (- y))) (/ 1 (- z)))) into (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)))
0.169 * [approximate]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in (x y z) around 0
0.169 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in z
0.169 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in z
0.169 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.169 * [taylor]: Taking taylor expansion of 4.0 in z
0.169 * [backup-simplify]: Simplify 4.0 into 4.0
0.169 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.169 * [taylor]: Taking taylor expansion of (* z y) in z
0.169 * [taylor]: Taking taylor expansion of z in z
0.169 * [backup-simplify]: Simplify 0 into 0
0.169 * [backup-simplify]: Simplify 1 into 1
0.169 * [taylor]: Taking taylor expansion of y in z
0.169 * [backup-simplify]: Simplify y into y
0.169 * [backup-simplify]: Simplify (* 0 y) into 0
0.170 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.170 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.170 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.170 * [taylor]: Taking taylor expansion of x in z
0.170 * [backup-simplify]: Simplify x into x
0.170 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.170 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in y
0.170 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in y
0.170 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.170 * [taylor]: Taking taylor expansion of 4.0 in y
0.170 * [backup-simplify]: Simplify 4.0 into 4.0
0.170 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.170 * [taylor]: Taking taylor expansion of (* z y) in y
0.170 * [taylor]: Taking taylor expansion of z in y
0.170 * [backup-simplify]: Simplify z into z
0.170 * [taylor]: Taking taylor expansion of y in y
0.170 * [backup-simplify]: Simplify 0 into 0
0.170 * [backup-simplify]: Simplify 1 into 1
0.170 * [backup-simplify]: Simplify (* z 0) into 0
0.171 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.171 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.171 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.171 * [taylor]: Taking taylor expansion of x in y
0.171 * [backup-simplify]: Simplify x into x
0.171 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.171 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in x
0.171 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in x
0.171 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.171 * [taylor]: Taking taylor expansion of 4.0 in x
0.171 * [backup-simplify]: Simplify 4.0 into 4.0
0.171 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.171 * [taylor]: Taking taylor expansion of (* z y) in x
0.171 * [taylor]: Taking taylor expansion of z in x
0.171 * [backup-simplify]: Simplify z into z
0.171 * [taylor]: Taking taylor expansion of y in x
0.171 * [backup-simplify]: Simplify y into y
0.172 * [backup-simplify]: Simplify (* z y) into (* z y)
0.172 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.172 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.172 * [taylor]: Taking taylor expansion of x in x
0.172 * [backup-simplify]: Simplify 0 into 0
0.172 * [backup-simplify]: Simplify 1 into 1
0.172 * [backup-simplify]: Simplify (/ 1 1) into 1
0.172 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in x
0.172 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in x
0.172 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.172 * [taylor]: Taking taylor expansion of 4.0 in x
0.172 * [backup-simplify]: Simplify 4.0 into 4.0
0.172 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.172 * [taylor]: Taking taylor expansion of (* z y) in x
0.172 * [taylor]: Taking taylor expansion of z in x
0.173 * [backup-simplify]: Simplify z into z
0.173 * [taylor]: Taking taylor expansion of y in x
0.173 * [backup-simplify]: Simplify y into y
0.173 * [backup-simplify]: Simplify (* z y) into (* z y)
0.173 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.173 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.173 * [taylor]: Taking taylor expansion of x in x
0.173 * [backup-simplify]: Simplify 0 into 0
0.173 * [backup-simplify]: Simplify 1 into 1
0.173 * [backup-simplify]: Simplify (/ 1 1) into 1
0.174 * [backup-simplify]: Simplify (+ 0 1) into 1
0.174 * [backup-simplify]: Simplify (- 1) into -1
0.174 * [taylor]: Taking taylor expansion of -1 in y
0.175 * [backup-simplify]: Simplify -1 into -1
0.175 * [backup-simplify]: Simplify (* 4.0 (/ 1 (* z y))) into (/ 4.0 (* z y))
0.175 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.176 * [backup-simplify]: Simplify (+ (/ 4.0 (* z y)) 0) into (* 4.0 (/ 1 (* z y)))
0.176 * [backup-simplify]: Simplify (- (* 4.0 (/ 1 (* z y)))) into (- (* 4.0 (/ 1 (* z y))))
0.176 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.176 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.176 * [taylor]: Taking taylor expansion of 4.0 in y
0.176 * [backup-simplify]: Simplify 4.0 into 4.0
0.176 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.176 * [taylor]: Taking taylor expansion of (* z y) in y
0.176 * [taylor]: Taking taylor expansion of z in y
0.176 * [backup-simplify]: Simplify z into z
0.176 * [taylor]: Taking taylor expansion of y in y
0.176 * [backup-simplify]: Simplify 0 into 0
0.176 * [backup-simplify]: Simplify 1 into 1
0.176 * [backup-simplify]: Simplify (* z 0) into 0
0.177 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.177 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.177 * [backup-simplify]: Simplify (* 4.0 (/ 1 z)) into (/ 4.0 z)
0.177 * [backup-simplify]: Simplify (- (/ 4.0 z)) into (- (* 4.0 (/ 1 z)))
0.177 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.177 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.177 * [taylor]: Taking taylor expansion of 4.0 in z
0.177 * [backup-simplify]: Simplify 4.0 into 4.0
0.177 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.178 * [taylor]: Taking taylor expansion of z in z
0.178 * [backup-simplify]: Simplify 0 into 0
0.178 * [backup-simplify]: Simplify 1 into 1
0.178 * [backup-simplify]: Simplify (/ 1 1) into 1
0.179 * [backup-simplify]: Simplify (* 4.0 1) into 4.0
0.179 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.180 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.180 * [taylor]: Taking taylor expansion of -1 in z
0.180 * [backup-simplify]: Simplify -1 into -1
0.180 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.180 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))))) into 0
0.181 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 (* z y)))) into 0
0.182 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.182 * [backup-simplify]: Simplify (+ 0 0) into 0
0.183 * [backup-simplify]: Simplify (- 0) into 0
0.183 * [taylor]: Taking taylor expansion of 0 in y
0.183 * [backup-simplify]: Simplify 0 into 0
0.184 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.184 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
0.184 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 z))) into 0
0.185 * [backup-simplify]: Simplify (- 0) into 0
0.185 * [taylor]: Taking taylor expansion of 0 in z
0.185 * [backup-simplify]: Simplify 0 into 0
0.185 * [taylor]: Taking taylor expansion of 0 in z
0.185 * [backup-simplify]: Simplify 0 into 0
0.186 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.187 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 1)) into 0
0.187 * [backup-simplify]: Simplify (- 0) into 0
0.187 * [backup-simplify]: Simplify 0 into 0
0.187 * [backup-simplify]: Simplify -1 into -1
0.188 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.188 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.189 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 (* z y))))) into 0
0.191 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.191 * [backup-simplify]: Simplify (+ 0 0) into 0
0.192 * [backup-simplify]: Simplify (- 0) into 0
0.192 * [taylor]: Taking taylor expansion of 0 in y
0.192 * [backup-simplify]: Simplify 0 into 0
0.192 * [taylor]: Taking taylor expansion of 0 in z
0.192 * [backup-simplify]: Simplify 0 into 0
0.193 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.193 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.194 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
0.194 * [backup-simplify]: Simplify (- 0) into 0
0.194 * [taylor]: Taking taylor expansion of 0 in z
0.194 * [backup-simplify]: Simplify 0 into 0
0.195 * [taylor]: Taking taylor expansion of 0 in z
0.195 * [backup-simplify]: Simplify 0 into 0
0.195 * [backup-simplify]: Simplify 0 into 0
0.195 * [backup-simplify]: Simplify 0 into 0
0.196 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.197 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 1))) into 0
0.198 * [backup-simplify]: Simplify (- 0) into 0
0.198 * [backup-simplify]: Simplify 0 into 0
0.198 * [backup-simplify]: Simplify 0 into 0
0.199 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.199 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.201 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (* z y)))))) into 0
0.202 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.202 * [backup-simplify]: Simplify (+ 0 0) into 0
0.202 * [backup-simplify]: Simplify (- 0) into 0
0.202 * [taylor]: Taking taylor expansion of 0 in y
0.202 * [backup-simplify]: Simplify 0 into 0
0.203 * [taylor]: Taking taylor expansion of 0 in z
0.203 * [backup-simplify]: Simplify 0 into 0
0.203 * [taylor]: Taking taylor expansion of 0 in z
0.203 * [backup-simplify]: Simplify 0 into 0
0.203 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.203 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.204 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 z))))) into 0
0.205 * [backup-simplify]: Simplify (- 0) into 0
0.205 * [taylor]: Taking taylor expansion of 0 in z
0.205 * [backup-simplify]: Simplify 0 into 0
0.205 * [taylor]: Taking taylor expansion of 0 in z
0.205 * [backup-simplify]: Simplify 0 into 0
0.205 * [backup-simplify]: Simplify 0 into 0
0.205 * [backup-simplify]: Simplify 0 into 0
0.205 * [backup-simplify]: Simplify (+ (* -1 (* 1 (* 1 (/ 1 (/ 1 (- x)))))) (* (- 4.0) (* (/ 1 (/ 1 (- z))) (* (/ 1 (/ 1 (- y))) 1)))) into (- x (* 4.0 (* z y)))
0.205 * * * [progress]: simplifying candidates
0.206 * [simplify]: Simplifying:
  (/ (exp x) (exp (* (* 4.0 y) z)))
  (log (- x (* (* 4.0 y) z)))
  (exp (- x (* (* 4.0 y) z)))
  (* (cbrt (- x (* (* 4.0 y) z))) (cbrt (- x (* (* 4.0 y) z))))
  (cbrt (- x (* (* 4.0 y) z)))
  (* (* (- x (* (* 4.0 y) z)) (- x (* (* 4.0 y) z))) (- x (* (* 4.0 y) z)))
  (sqrt (- x (* (* 4.0 y) z)))
  (sqrt (- x (* (* 4.0 y) z)))
  (- (pow x 3) (pow (* (* 4.0 y) z) 3))
  (+ (* x x) (+ (* (* (* 4.0 y) z) (* (* 4.0 y) z)) (* x (* (* 4.0 y) z))))
  (- (* (* 4.0 y) z))
  (- (* x x) (* (* (* 4.0 y) z) (* (* 4.0 y) z)))
  (+ x (* (* 4.0 y) z))
  (- (* (* 4.0 y) z))
  x
  (- x (* 4.0 (* z y)))
  (- x (* 4.0 (* z y)))
0.206 * * [simplify]: iteration 0: 32 enodes
0.212 * * [simplify]: iteration 1: 84 enodes
0.237 * * [simplify]: iteration 2: 417 enodes
0.673 * * [simplify]: iteration 3: 2560 enodes
1.963 * * [simplify]: iteration complete: 5000 enodes
1.963 * * [simplify]: Extracting #0: cost 13 inf + 0
1.968 * * [simplify]: Extracting #1: cost 93 inf + 1
1.971 * * [simplify]: Extracting #2: cost 808 inf + 18
1.976 * * [simplify]: Extracting #3: cost 1126 inf + 2026
1.982 * * [simplify]: Extracting #4: cost 341 inf + 11716
1.990 * * [simplify]: Extracting #5: cost 63 inf + 15357
2.001 * * [simplify]: Extracting #6: cost 7 inf + 15730
2.012 * * [simplify]: Extracting #7: cost 0 inf + 15780
2.020 * [simplify]: Simplified to:
  (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 (* y (* 4.0 z))) 3)
  (sqrt (- x (* y (* 4.0 z))))
  (sqrt (- x (* y (* 4.0 z))))
  (- (pow x 3) (pow (* y (* 4.0 z)) 3))
  (+ (* x x) (* 4.0 (* (* y z) (+ x (* y (* 4.0 z))))))
  (- (* y (* 4.0 z)))
  (- (* x x) (* (* (* 4.0 z) (* y y)) (* 4.0 z)))
  (+ x (* y (* 4.0 z)))
  (- (* y (* 4.0 z)))
  x
  (- x (* y (* 4.0 z)))
  (- x (* y (* 4.0 z)))
2.020 * * * [progress]: adding candidates to table
2.095 * [progress]: [Phase 3 of 3] Extracting.
2.101 * [simplify]: Simplifying:
  (- x (* (* 4.0 y) z))
2.101 * * [simplify]: iteration 0: 7 enodes
2.101 * * [simplify]: iteration 1: 9 enodes
2.102 * * [simplify]: iteration complete: 9 enodes
2.102 * * [simplify]: Extracting #0: cost 1 inf + 0
2.102 * * [simplify]: Extracting #1: cost 3 inf + 0
2.102 * * [simplify]: Extracting #2: cost 4 inf + 1
2.102 * * [simplify]: Extracting #3: cost 5 inf + 2
2.102 * * [simplify]: Extracting #4: cost 0 inf + 19
2.102 * [simplify]: Simplified to:
  (- x (* (* y 4.0) z))
3.681 * [regime-testing]: Baseline error score: 0.045203770783938134
3.684 * [regime-testing]: Oracle error score: 0.045203770783938134
3.684 * [regime-testing]: End program error score: 0.045203770783938134