63.219 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.027 * * * [progress]: [2/2] Setting up program.
0.032 * [progress]: [Phase 2 of 3] Improving.
0.032 * [simplify]: Simplifying:
  (- x (* (* y 4.0) z))
0.033 * * [simplify]: Extracting # 0 : cost  0
0.033 * * [simplify]: Extracting # 1 : cost  0
0.033 * * [simplify]: Extracting # 2 : cost  0
0.033 * * [simplify]: Extracting # 3 : cost  0
0.033 * * [simplify]: Extracting # 4 : cost  0
0.033 * * [simplify]: Extracting # 5 : cost  0
0.033 * * [simplify]: iteration  0 :  7  enodes  (cost  7 )
0.035 * * [simplify]: Extracting # 0 : cost  0
0.035 * * [simplify]: Extracting # 1 : cost  0
0.035 * * [simplify]: Extracting # 2 : cost  0
0.035 * * [simplify]: iteration  1 :  13  enodes  (cost  7 )
0.039 * * [simplify]: Extracting # 0 : cost  0
0.039 * * [simplify]: Extracting # 1 : cost  0
0.039 * * [simplify]: Extracting # 2 : cost  0
0.039 * * [simplify]: iteration  2 :  31  enodes  (cost  7 )
0.059 * * [simplify]: Extracting # 0 : cost  0
0.059 * * [simplify]: Extracting # 1 : cost  0
0.059 * * [simplify]: Extracting # 2 : cost  0
0.060 * * [simplify]: iteration  3 :  63  enodes  (cost  7 )
0.083 * * [simplify]: Extracting # 0 : cost  0
0.083 * * [simplify]: iteration  4 :  80  enodes  (cost  7 )
0.104 * * [simplify]: Extracting # 0 : cost  0
0.105 * * [simplify]: iteration done:  80  enodes  (cost  7 )
0.105 * [simplify]: Simplified to:
  (- x (* (* y 4.0) z))
0.105 * * [progress]: iteration 1 / 4
0.105 * * * [progress]: picking best candidate
0.110 * * * * [pick]: Picked  #<alt (λ (x y z) (- x (* (* y 4.0) z)))>
0.110 * * * [progress]: localizing error
0.124 * * * [progress]: generating rewritten candidates
0.124 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.136 * * * [progress]: generating series expansions
0.136 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.136 * [backup-simplify]: Simplify (- x (* (* y 4.0) z)) into (- x (* 4.0 (* z y)))
0.136 * [approximate]: Taking taylor expansion of (- x (* 4.0 (* z y))) in (x y z) around 0
0.136 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in z
0.136 * [taylor]: Taking taylor expansion of x in z
0.136 * [backup-simplify]: Simplify x into x
0.136 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in z
0.136 * [taylor]: Taking taylor expansion of 4.0 in z
0.136 * [backup-simplify]: Simplify 4.0 into 4.0
0.136 * [taylor]: Taking taylor expansion of (* z y) in z
0.136 * [taylor]: Taking taylor expansion of z in z
0.136 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify 1 into 1
0.136 * [taylor]: Taking taylor expansion of y in z
0.136 * [backup-simplify]: Simplify y into y
0.136 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in y
0.136 * [taylor]: Taking taylor expansion of x in y
0.136 * [backup-simplify]: Simplify x into x
0.136 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.136 * [taylor]: Taking taylor expansion of 4.0 in y
0.137 * [backup-simplify]: Simplify 4.0 into 4.0
0.137 * [taylor]: Taking taylor expansion of (* z y) in y
0.137 * [taylor]: Taking taylor expansion of z in y
0.137 * [backup-simplify]: Simplify z into z
0.137 * [taylor]: Taking taylor expansion of y in y
0.137 * [backup-simplify]: Simplify 0 into 0
0.137 * [backup-simplify]: Simplify 1 into 1
0.137 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) 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 * [taylor]: Taking taylor expansion of (* 4.0 (* 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
0.137 * [taylor]: Taking taylor expansion of (* z y) in x
0.137 * [taylor]: Taking taylor expansion of z in x
0.137 * [backup-simplify]: Simplify z into z
0.137 * [taylor]: Taking taylor expansion of y in x
0.137 * [backup-simplify]: Simplify y into y
0.137 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) 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 * [taylor]: Taking taylor expansion of (* 4.0 (* 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
0.137 * [taylor]: Taking taylor expansion of (* z y) in x
0.137 * [taylor]: Taking taylor expansion of z in x
0.137 * [backup-simplify]: Simplify z into z
0.137 * [taylor]: Taking taylor expansion of y in x
0.137 * [backup-simplify]: Simplify y into y
0.137 * [backup-simplify]: Simplify (* z y) into (* z y)
0.137 * [backup-simplify]: Simplify (* 4.0 (* z y)) into (* 4.0 (* z y))
0.137 * [backup-simplify]: Simplify (- (* 4.0 (* z y))) into (- (* 4.0 (* z y)))
0.138 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (* z y)))) into (- (* 4.0 (* z y)))
0.138 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in y
0.138 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.138 * [taylor]: Taking taylor expansion of 4.0 in y
0.138 * [backup-simplify]: Simplify 4.0 into 4.0
0.138 * [taylor]: Taking taylor expansion of (* z y) in y
0.138 * [taylor]: Taking taylor expansion of z in y
0.138 * [backup-simplify]: Simplify z into z
0.138 * [taylor]: Taking taylor expansion of y in y
0.138 * [backup-simplify]: Simplify 0 into 0
0.138 * [backup-simplify]: Simplify 1 into 1
0.138 * [backup-simplify]: Simplify (* z 0) into 0
0.139 * [backup-simplify]: Simplify (* 4.0 0) into 0
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
0.139 * [backup-simplify]: Simplify 0 into 0
0.139 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.140 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (* z y))) into 0
0.140 * [backup-simplify]: Simplify (- 0) into 0
0.140 * [backup-simplify]: Simplify (+ 1 0) into 1
0.140 * [taylor]: Taking taylor expansion of 1 in y
0.140 * [backup-simplify]: Simplify 1 into 1
0.140 * [taylor]: Taking taylor expansion of 1 in z
0.140 * [backup-simplify]: Simplify 1 into 1
0.140 * [backup-simplify]: Simplify 1 into 1
0.141 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.141 * [backup-simplify]: Simplify (+ (* 4.0 z) (* 0 0)) into (* 4.0 z)
0.141 * [backup-simplify]: Simplify (- (* 4.0 z)) into (- (* 4.0 z))
0.141 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z
0.141 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.141 * [taylor]: Taking taylor expansion of 4.0 in z
0.141 * [backup-simplify]: Simplify 4.0 into 4.0
0.141 * [taylor]: Taking taylor expansion of z in z
0.141 * [backup-simplify]: Simplify 0 into 0
0.141 * [backup-simplify]: Simplify 1 into 1
0.142 * [backup-simplify]: Simplify (* 4.0 0) into 0
0.142 * [backup-simplify]: Simplify (- 0) into 0
0.142 * [backup-simplify]: Simplify 0 into 0
0.142 * [backup-simplify]: Simplify 0 into 0
0.143 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.143 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (* z y)))) into 0
0.144 * [backup-simplify]: Simplify (- 0) into 0
0.144 * [backup-simplify]: Simplify (+ 0 0) into 0
0.144 * [taylor]: Taking taylor expansion of 0 in y
0.144 * [backup-simplify]: Simplify 0 into 0
0.144 * [taylor]: Taking taylor expansion of 0 in z
0.144 * [backup-simplify]: Simplify 0 into 0
0.144 * [backup-simplify]: Simplify 0 into 0
0.144 * [taylor]: Taking taylor expansion of 0 in z
0.144 * [backup-simplify]: Simplify 0 into 0
0.144 * [backup-simplify]: Simplify 0 into 0
0.145 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.146 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 z) (* 0 0))) 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 * [backup-simplify]: Simplify 0 into 0
0.146 * [backup-simplify]: Simplify 0 into 0
0.146 * [backup-simplify]: Simplify (* 1 (* 1 (* 1 x))) into x
0.146 * [backup-simplify]: Simplify (- (/ 1 x) (* (* (/ 1 y) 4.0) (/ 1 z))) into (- (/ 1 x) (* 4.0 (/ 1 (* z y))))
0.146 * [approximate]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.146 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in z
0.146 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.146 * [taylor]: Taking taylor expansion of x in z
0.147 * [backup-simplify]: Simplify x into x
0.147 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.147 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.147 * [taylor]: Taking taylor expansion of 4.0 in z
0.147 * [backup-simplify]: Simplify 4.0 into 4.0
0.147 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.147 * [taylor]: Taking taylor expansion of (* z y) in z
0.147 * [taylor]: Taking taylor expansion of z in z
0.147 * [backup-simplify]: Simplify 0 into 0
0.147 * [backup-simplify]: Simplify 1 into 1
0.147 * [taylor]: Taking taylor expansion of y in z
0.147 * [backup-simplify]: Simplify y into y
0.147 * [backup-simplify]: Simplify (* 0 y) into 0
0.147 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.147 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.147 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in y
0.147 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.147 * [taylor]: Taking taylor expansion of x in y
0.147 * [backup-simplify]: Simplify x into x
0.147 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.148 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.148 * [taylor]: Taking taylor expansion of 4.0 in y
0.148 * [backup-simplify]: Simplify 4.0 into 4.0
0.148 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.148 * [taylor]: Taking taylor expansion of (* z y) in y
0.148 * [taylor]: Taking taylor expansion of z in y
0.148 * [backup-simplify]: Simplify z into z
0.148 * [taylor]: Taking taylor expansion of y in y
0.148 * [backup-simplify]: Simplify 0 into 0
0.148 * [backup-simplify]: Simplify 1 into 1
0.148 * [backup-simplify]: Simplify (* z 0) into 0
0.148 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.148 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.148 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in x
0.148 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.148 * [taylor]: Taking taylor expansion of x in x
0.148 * [backup-simplify]: Simplify 0 into 0
0.148 * [backup-simplify]: Simplify 1 into 1
0.149 * [backup-simplify]: Simplify (/ 1 1) into 1
0.149 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.149 * [taylor]: Taking taylor expansion of 4.0 in x
0.149 * [backup-simplify]: Simplify 4.0 into 4.0
0.149 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.149 * [taylor]: Taking taylor expansion of (* z y) in x
0.149 * [taylor]: Taking taylor expansion of z in x
0.149 * [backup-simplify]: Simplify z into z
0.149 * [taylor]: Taking taylor expansion of y in x
0.149 * [backup-simplify]: Simplify y into y
0.149 * [backup-simplify]: Simplify (* z y) into (* z y)
0.149 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.149 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in x
0.149 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.149 * [taylor]: Taking taylor expansion of x in x
0.149 * [backup-simplify]: Simplify 0 into 0
0.149 * [backup-simplify]: Simplify 1 into 1
0.150 * [backup-simplify]: Simplify (/ 1 1) into 1
0.150 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.150 * [taylor]: Taking taylor expansion of 4.0 in x
0.150 * [backup-simplify]: Simplify 4.0 into 4.0
0.150 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.150 * [taylor]: Taking taylor expansion of (* z y) in x
0.150 * [taylor]: Taking taylor expansion of z in x
0.150 * [backup-simplify]: Simplify z into z
0.150 * [taylor]: Taking taylor expansion of y in x
0.150 * [backup-simplify]: Simplify y into y
0.150 * [backup-simplify]: Simplify (* z y) into (* z y)
0.150 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.150 * [backup-simplify]: Simplify (+ 1 0) into 1
0.150 * [taylor]: Taking taylor expansion of 1 in y
0.150 * [backup-simplify]: Simplify 1 into 1
0.151 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.151 * [backup-simplify]: Simplify (* 4.0 (/ 1 (* z y))) into (/ 4.0 (* z y))
0.151 * [backup-simplify]: Simplify (- (/ 4.0 (* z y))) into (- (* 4.0 (/ 1 (* z y))))
0.151 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (/ 1 (* z y))))) into (- (* 4.0 (/ 1 (* z y))))
0.151 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.151 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.151 * [taylor]: Taking taylor expansion of 4.0 in y
0.152 * [backup-simplify]: Simplify 4.0 into 4.0
0.152 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.152 * [taylor]: Taking taylor expansion of (* z y) in y
0.152 * [taylor]: Taking taylor expansion of z in y
0.152 * [backup-simplify]: Simplify z into z
0.152 * [taylor]: Taking taylor expansion of y in y
0.152 * [backup-simplify]: Simplify 0 into 0
0.152 * [backup-simplify]: Simplify 1 into 1
0.152 * [backup-simplify]: Simplify (* z 0) into 0
0.152 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.152 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.152 * [backup-simplify]: Simplify (* 4.0 (/ 1 z)) into (/ 4.0 z)
0.152 * [backup-simplify]: Simplify (- (/ 4.0 z)) into (- (* 4.0 (/ 1 z)))
0.152 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.152 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) 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) in z
0.152 * [taylor]: Taking taylor expansion of z in z
0.152 * [backup-simplify]: Simplify 0 into 0
0.153 * [backup-simplify]: Simplify 1 into 1
0.153 * [backup-simplify]: Simplify (/ 1 1) into 1
0.153 * [backup-simplify]: Simplify (* 4.0 1) into 4.0
0.154 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.154 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.154 * [taylor]: Taking taylor expansion of 1 in z
0.154 * [backup-simplify]: Simplify 1 into 1
0.155 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.155 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.155 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))))) into 0
0.156 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 (* z y)))) into 0
0.156 * [backup-simplify]: Simplify (- 0) into 0
0.156 * [backup-simplify]: Simplify (+ 0 0) into 0
0.156 * [taylor]: Taking taylor expansion of 0 in y
0.156 * [backup-simplify]: Simplify 0 into 0
0.157 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.157 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
0.157 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 z))) into 0
0.158 * [backup-simplify]: Simplify (- 0) into 0
0.158 * [taylor]: Taking taylor expansion of 0 in z
0.158 * [backup-simplify]: Simplify 0 into 0
0.158 * [taylor]: Taking taylor expansion of 0 in z
0.158 * [backup-simplify]: Simplify 0 into 0
0.159 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.159 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 1)) into 0
0.159 * [backup-simplify]: Simplify (- 0) into 0
0.159 * [backup-simplify]: Simplify 0 into 0
0.160 * [backup-simplify]: Simplify 1 into 1
0.160 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.161 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.161 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.162 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 (* z y))))) into 0
0.162 * [backup-simplify]: Simplify (- 0) into 0
0.162 * [backup-simplify]: Simplify (+ 0 0) into 0
0.162 * [taylor]: Taking taylor expansion of 0 in y
0.162 * [backup-simplify]: Simplify 0 into 0
0.163 * [taylor]: Taking taylor expansion of 0 in z
0.163 * [backup-simplify]: Simplify 0 into 0
0.163 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.163 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.164 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
0.164 * [backup-simplify]: Simplify (- 0) into 0
0.165 * [taylor]: Taking taylor expansion of 0 in z
0.165 * [backup-simplify]: Simplify 0 into 0
0.165 * [taylor]: Taking taylor expansion of 0 in z
0.165 * [backup-simplify]: Simplify 0 into 0
0.165 * [backup-simplify]: Simplify 0 into 0
0.165 * [backup-simplify]: Simplify 0 into 0
0.165 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.166 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 1))) into 0
0.167 * [backup-simplify]: Simplify (- 0) into 0
0.167 * [backup-simplify]: Simplify 0 into 0
0.167 * [backup-simplify]: Simplify 0 into 0
0.168 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.168 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.169 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.170 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (* z y)))))) into 0
0.170 * [backup-simplify]: Simplify (- 0) into 0
0.170 * [backup-simplify]: Simplify (+ 0 0) into 0
0.170 * [taylor]: Taking taylor expansion of 0 in y
0.170 * [backup-simplify]: Simplify 0 into 0
0.171 * [taylor]: Taking taylor expansion of 0 in z
0.171 * [backup-simplify]: Simplify 0 into 0
0.171 * [taylor]: Taking taylor expansion of 0 in z
0.171 * [backup-simplify]: Simplify 0 into 0
0.171 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.172 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.173 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 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 (* 1 (* 1 (/ 1 (/ 1 x))))) (* (- 4.0) (* (/ 1 (/ 1 z)) (* (/ 1 (/ 1 y)) 1)))) into (- x (* 4.0 (* z y)))
0.174 * [backup-simplify]: Simplify (- (/ 1 (- x)) (* (* (/ 1 (- y)) 4.0) (/ 1 (- z)))) into (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)))
0.174 * [approximate]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in (x y z) around 0
0.174 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in z
0.174 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in z
0.174 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.174 * [taylor]: Taking taylor expansion of 4.0 in z
0.174 * [backup-simplify]: Simplify 4.0 into 4.0
0.174 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.174 * [taylor]: Taking taylor expansion of (* z y) in z
0.174 * [taylor]: Taking taylor expansion of z in z
0.174 * [backup-simplify]: Simplify 0 into 0
0.175 * [backup-simplify]: Simplify 1 into 1
0.175 * [taylor]: Taking taylor expansion of y in z
0.175 * [backup-simplify]: Simplify y into y
0.175 * [backup-simplify]: Simplify (* 0 y) into 0
0.175 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.175 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.175 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.175 * [taylor]: Taking taylor expansion of x in z
0.175 * [backup-simplify]: Simplify x into x
0.175 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.175 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in y
0.175 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in y
0.175 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.175 * [taylor]: Taking taylor expansion of 4.0 in y
0.175 * [backup-simplify]: Simplify 4.0 into 4.0
0.175 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.175 * [taylor]: Taking taylor expansion of (* z y) in y
0.175 * [taylor]: Taking taylor expansion of z in y
0.175 * [backup-simplify]: Simplify z into z
0.175 * [taylor]: Taking taylor expansion of y in y
0.175 * [backup-simplify]: Simplify 0 into 0
0.175 * [backup-simplify]: Simplify 1 into 1
0.176 * [backup-simplify]: Simplify (* z 0) into 0
0.176 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.176 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.176 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.176 * [taylor]: Taking taylor expansion of x in y
0.176 * [backup-simplify]: Simplify x into x
0.176 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.176 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in x
0.176 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in x
0.176 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.176 * [taylor]: Taking taylor expansion of 4.0 in x
0.176 * [backup-simplify]: Simplify 4.0 into 4.0
0.176 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.176 * [taylor]: Taking taylor expansion of (* z y) in x
0.176 * [taylor]: Taking taylor expansion of z in x
0.176 * [backup-simplify]: Simplify z into z
0.176 * [taylor]: Taking taylor expansion of y in x
0.176 * [backup-simplify]: Simplify y into y
0.176 * [backup-simplify]: Simplify (* z y) into (* z y)
0.177 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.177 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.177 * [taylor]: Taking taylor expansion of x in x
0.177 * [backup-simplify]: Simplify 0 into 0
0.177 * [backup-simplify]: Simplify 1 into 1
0.177 * [backup-simplify]: Simplify (/ 1 1) into 1
0.177 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in x
0.177 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in x
0.177 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.177 * [taylor]: Taking taylor expansion of 4.0 in x
0.177 * [backup-simplify]: Simplify 4.0 into 4.0
0.177 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.177 * [taylor]: Taking taylor expansion of (* z y) in x
0.177 * [taylor]: Taking taylor expansion of z in x
0.177 * [backup-simplify]: Simplify z into z
0.177 * [taylor]: Taking taylor expansion of y in x
0.177 * [backup-simplify]: Simplify y into y
0.177 * [backup-simplify]: Simplify (* z y) into (* z y)
0.177 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.177 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.177 * [taylor]: Taking taylor expansion of x in x
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
0.178 * [backup-simplify]: Simplify (+ 0 1) into 1
0.179 * [backup-simplify]: Simplify (- 1) into -1
0.179 * [taylor]: Taking taylor expansion of -1 in y
0.179 * [backup-simplify]: Simplify -1 into -1
0.179 * [backup-simplify]: Simplify (* 4.0 (/ 1 (* z y))) into (/ 4.0 (* z y))
0.186 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.186 * [backup-simplify]: Simplify (+ (/ 4.0 (* z y)) 0) into (* 4.0 (/ 1 (* z y)))
0.186 * [backup-simplify]: Simplify (- (* 4.0 (/ 1 (* z y)))) into (- (* 4.0 (/ 1 (* z y))))
0.186 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.186 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.186 * [taylor]: Taking taylor expansion of 4.0 in y
0.186 * [backup-simplify]: Simplify 4.0 into 4.0
0.186 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.186 * [taylor]: Taking taylor expansion of (* z y) in y
0.186 * [taylor]: Taking taylor expansion of z in y
0.187 * [backup-simplify]: Simplify z into z
0.187 * [taylor]: Taking taylor expansion of y in y
0.187 * [backup-simplify]: Simplify 0 into 0
0.187 * [backup-simplify]: Simplify 1 into 1
0.187 * [backup-simplify]: Simplify (* z 0) into 0
0.187 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.187 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.187 * [backup-simplify]: Simplify (* 4.0 (/ 1 z)) into (/ 4.0 z)
0.188 * [backup-simplify]: Simplify (- (/ 4.0 z)) into (- (* 4.0 (/ 1 z)))
0.188 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.188 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.188 * [taylor]: Taking taylor expansion of 4.0 in z
0.188 * [backup-simplify]: Simplify 4.0 into 4.0
0.188 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.188 * [taylor]: Taking taylor expansion of z in z
0.188 * [backup-simplify]: Simplify 0 into 0
0.188 * [backup-simplify]: Simplify 1 into 1
0.188 * [backup-simplify]: Simplify (/ 1 1) into 1
0.189 * [backup-simplify]: Simplify (* 4.0 1) into 4.0
0.189 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.189 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.190 * [taylor]: Taking taylor expansion of -1 in z
0.190 * [backup-simplify]: Simplify -1 into -1
0.190 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.190 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))))) into 0
0.191 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 (* z y)))) into 0
0.191 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.192 * [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
0.193 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.193 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
0.193 * [backup-simplify]: Simplify (+ (* 4.0 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
0.194 * [taylor]: Taking taylor expansion of 0 in z
0.194 * [backup-simplify]: Simplify 0 into 0
0.195 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.195 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 1)) into 0
0.195 * [backup-simplify]: Simplify (- 0) into 0
0.196 * [backup-simplify]: Simplify 0 into 0
0.196 * [backup-simplify]: Simplify -1 into -1
0.196 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.196 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.197 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 (* z y))))) into 0
0.198 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.198 * [backup-simplify]: Simplify (+ 0 0) into 0
0.199 * [backup-simplify]: Simplify (- 0) into 0
0.199 * [taylor]: Taking taylor expansion of 0 in y
0.199 * [backup-simplify]: Simplify 0 into 0
0.199 * [taylor]: Taking taylor expansion of 0 in z
0.199 * [backup-simplify]: Simplify 0 into 0
0.199 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.200 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.200 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
0.201 * [backup-simplify]: Simplify (- 0) into 0
0.201 * [taylor]: Taking taylor expansion of 0 in z
0.201 * [backup-simplify]: Simplify 0 into 0
0.201 * [taylor]: Taking taylor expansion of 0 in z
0.201 * [backup-simplify]: Simplify 0 into 0
0.201 * [backup-simplify]: Simplify 0 into 0
0.201 * [backup-simplify]: Simplify 0 into 0
0.202 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.203 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 1))) into 0
0.203 * [backup-simplify]: Simplify (- 0) into 0
0.203 * [backup-simplify]: Simplify 0 into 0
0.203 * [backup-simplify]: Simplify 0 into 0
0.204 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.204 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.205 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (* z y)))))) into 0
0.206 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.206 * [backup-simplify]: Simplify (+ 0 0) into 0
0.207 * [backup-simplify]: Simplify (- 0) into 0
0.207 * [taylor]: Taking taylor expansion of 0 in y
0.207 * [backup-simplify]: Simplify 0 into 0
0.207 * [taylor]: Taking taylor expansion of 0 in z
0.207 * [backup-simplify]: Simplify 0 into 0
0.207 * [taylor]: Taking taylor expansion of 0 in z
0.207 * [backup-simplify]: Simplify 0 into 0
0.208 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.208 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.209 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 z))))) into 0
0.209 * [backup-simplify]: Simplify (- 0) into 0
0.209 * [taylor]: Taking taylor expansion of 0 in z
0.209 * [backup-simplify]: Simplify 0 into 0
0.210 * [taylor]: Taking taylor expansion of 0 in z
0.210 * [backup-simplify]: Simplify 0 into 0
0.210 * [backup-simplify]: Simplify 0 into 0
0.210 * [backup-simplify]: Simplify 0 into 0
0.210 * [backup-simplify]: Simplify (+ (* -1 (* 1 (* 1 (/ 1 (/ 1 (- x)))))) (* (- 4.0) (* (/ 1 (/ 1 (- z))) (* (/ 1 (/ 1 (- y))) 1)))) into (- x (* 4.0 (* z y)))
0.210 * * * [progress]: simplifying candidates
0.211 * [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)))
0.212 * * [simplify]: Extracting # 0 : cost  0
0.212 * * [simplify]: Extracting # 1 : cost  0
0.212 * * [simplify]: Extracting # 2 : cost  0
0.212 * * [simplify]: Extracting # 3 : cost  0
0.212 * * [simplify]: Extracting # 4 : cost  0
0.213 * * [simplify]: Extracting # 5 : cost  0
0.213 * * [simplify]: Extracting # 6 : cost  0
0.213 * * [simplify]: Extracting # 7 : cost  0
0.213 * * [simplify]: iteration  0 :  45  enodes  (cost  273 )
0.229 * * [simplify]: Extracting # 0 : cost  0
0.229 * * [simplify]: Extracting # 1 : cost  0
0.230 * * [simplify]: Extracting # 2 : cost  0
0.230 * * [simplify]: Extracting # 3 : cost  0
0.230 * * [simplify]: iteration  1 :  109  enodes  (cost  265 )
0.301 * * [simplify]: Extracting # 0 : cost  0
0.302 * * [simplify]: Extracting # 1 : cost  0
0.303 * * [simplify]: Extracting # 2 : cost  0
0.304 * * [simplify]: Extracting # 3 : cost  0
0.305 * * [simplify]: Extracting # 4 : cost  0
0.306 * * [simplify]: Extracting # 5 : cost  0
0.307 * * [simplify]: iteration  2 :  503  enodes  (cost  233 )
1.171 * * [simplify]: Extracting # 0 : cost  0
1.178 * * [simplify]: Extracting # 1 : cost  0
1.185 * * [simplify]: Extracting # 2 : cost  0
1.191 * * [simplify]: Extracting # 3 : cost  0
1.198 * * [simplify]: Extracting # 4 : cost  0
1.204 * * [simplify]: iteration  3 :  3309  enodes  (cost  229 )
3.543 * * [simplify]: Extracting # 0 : cost  0
3.558 * * [simplify]: Extracting # 1 : cost  0
3.567 * * [simplify]: Extracting # 2 : cost  0
3.581 * * [simplify]: iteration done:  5000  enodes  (cost  205 )
3.581 * [simplify]: Simplified to:
  (fma (* y 4.0) (- z) x)
  0
  (fma (* y 4.0) (- z) x)
  0
  (fma (* y 4.0) (- z) x)
  0
  (expm1 (- x (* (* y 4.0) z)))
  (log1p (- x (* (* y 4.0) z)))
  (- (* 4.0 (* z y)))
  (- (* 4.0 (* z y)))
  (- (* 4.0 (* z y)))
  (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 (* y 4.0) z x) (* x x))
  (- (* 4.0 (* z y)))
  (* (fma (* y 4.0) z x) (- x (* 4.0 (* z y))))
  (fma (* y 4.0) z x)
  (- (* 4.0 (* z y)))
  x
  (fma (* y 4.0) (- z) x)
  (fma (* y 4.0) (- z) x)
3.581 * * * [progress]: adding candidates to table
3.721 * * [progress]: iteration 2 / 4
3.721 * * * [progress]: picking best candidate
3.726 * * * * [pick]: Picked  #<alt (λ (x y z) (+ (fma (* y 4.0) (- z) x) 0))>
3.726 * * * [progress]: localizing error
3.744 * * * [progress]: generating rewritten candidates
3.744 * * * [progress]: generating series expansions
3.744 * * * [progress]: simplifying candidates
3.745 * [simplify]: Simplifying:
  
3.745 * * [simplify]: Extracting # 0 : cost  0
3.745 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
3.745 * * [simplify]: Extracting # 0 : cost  0
3.745 * * [simplify]: iteration done:  0  enodes  (cost  0 )
3.745 * [simplify]: Simplified to:
  
3.745 * * * [progress]: adding candidates to table
3.745 * [progress]: [Phase 3 of 3] Extracting.
3.751 * [simplify]: Simplifying:
  (+ (fma (* y 4.0) (- z) x) 0)
3.751 * * [simplify]: Extracting # 0 : cost  0
3.751 * * [simplify]: Extracting # 1 : cost  0
3.751 * * [simplify]: Extracting # 2 : cost  0
3.751 * * [simplify]: Extracting # 3 : cost  0
3.751 * * [simplify]: Extracting # 4 : cost  0
3.751 * * [simplify]: Extracting # 5 : cost  0
3.751 * * [simplify]: iteration  0 :  9  enodes  (cost  9 )
3.752 * * [simplify]: Extracting # 0 : cost  0
3.752 * * [simplify]: iteration  1 :  11  enodes  (cost  7 )
3.753 * * [simplify]: Extracting # 0 : cost  0
3.753 * * [simplify]: iteration  2 :  12  enodes  (cost  7 )
3.754 * * [simplify]: Extracting # 0 : cost  0
3.754 * * [simplify]: iteration done:  12  enodes  (cost  7 )
3.754 * [simplify]: Simplified to:
  (fma (* y 4.0) (- z) x)
5.302 * [regime-testing]: Baseline error score: 0.07200900112514064
5.306 * [regime-testing]: Oracle error score: 0.07200900112514064
5.307 * [regime-testing]: End program error score: 0.07200900112514064