60.046 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.040 * * * [progress]: [2/2] Setting up program.
0.046 * [progress]: [Phase 2 of 3] Improving.
0.046 * [simplify]: Simplifying:
  (- (* x x) (* (* y 4.0) z))
0.047 * * [simplify]: iteration 0: 8 enodes
0.048 * * [simplify]: iteration 1: 14 enodes
0.052 * * [simplify]: iteration 2: 32 enodes
0.060 * * [simplify]: iteration 3: 57 enodes
0.074 * * [simplify]: iteration 4: 69 enodes
0.089 * * [simplify]: iteration 5: 70 enodes
0.102 * * [simplify]: iteration complete: 70 enodes
0.102 * * [simplify]: Extracting #0: cost 1 inf + 0
0.102 * * [simplify]: Extracting #1: cost 4 inf + 0
0.102 * * [simplify]: Extracting #2: cost 17 inf + 0
0.103 * * [simplify]: Extracting #3: cost 9 inf + 16
0.103 * * [simplify]: Extracting #4: cost 0 inf + 54
0.103 * [simplify]: Simplified to:
  (- (* x x) (* (* y z) 4.0))
0.117 * * [progress]: iteration 1 / 4
0.118 * * * [progress]: picking best candidate
0.124 * * * * [pick]: Picked  #<alt (λ (x y z) (- (* x x) (* (* y z) 4.0)))>
0.124 * * * [progress]: localizing error
0.140 * * * [progress]: generating rewritten candidates
0.141 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.151 * * * [progress]: generating series expansions
0.151 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.151 * [backup-simplify]: Simplify (- (* x x) (* (* y z) 4.0)) into (- (pow x 2) (* 4.0 (* z y)))
0.151 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in (x y z) around 0
0.151 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in z
0.151 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.151 * [taylor]: Taking taylor expansion of x in z
0.151 * [backup-simplify]: Simplify x into x
0.151 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in z
0.151 * [taylor]: Taking taylor expansion of 4.0 in z
0.151 * [backup-simplify]: Simplify 4.0 into 4.0
0.151 * [taylor]: Taking taylor expansion of (* z y) in z
0.151 * [taylor]: Taking taylor expansion of z in z
0.151 * [backup-simplify]: Simplify 0 into 0
0.151 * [backup-simplify]: Simplify 1 into 1
0.151 * [taylor]: Taking taylor expansion of y in z
0.151 * [backup-simplify]: Simplify y into y
0.151 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in y
0.151 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.151 * [taylor]: Taking taylor expansion of x in y
0.151 * [backup-simplify]: Simplify x into x
0.151 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.151 * [taylor]: Taking taylor expansion of 4.0 in y
0.151 * [backup-simplify]: Simplify 4.0 into 4.0
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 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in x
0.152 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.152 * [taylor]: Taking taylor expansion of x in x
0.152 * [backup-simplify]: Simplify 0 into 0
0.152 * [backup-simplify]: Simplify 1 into 1
0.152 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.152 * [taylor]: Taking taylor expansion of 4.0 in x
0.152 * [backup-simplify]: Simplify 4.0 into 4.0
0.152 * [taylor]: Taking taylor expansion of (* z y) in x
0.152 * [taylor]: Taking taylor expansion of z in x
0.152 * [backup-simplify]: Simplify z into z
0.152 * [taylor]: Taking taylor expansion of y in x
0.152 * [backup-simplify]: Simplify y into y
0.152 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in x
0.152 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.152 * [taylor]: Taking taylor expansion of x in x
0.152 * [backup-simplify]: Simplify 0 into 0
0.152 * [backup-simplify]: Simplify 1 into 1
0.152 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.152 * [taylor]: Taking taylor expansion of 4.0 in x
0.152 * [backup-simplify]: Simplify 4.0 into 4.0
0.152 * [taylor]: Taking taylor expansion of (* z y) in x
0.152 * [taylor]: Taking taylor expansion of z in x
0.152 * [backup-simplify]: Simplify z into z
0.152 * [taylor]: Taking taylor expansion of y in x
0.152 * [backup-simplify]: Simplify y into y
0.152 * [backup-simplify]: Simplify (* z y) into (* z y)
0.152 * [backup-simplify]: Simplify (* 4.0 (* z y)) into (* 4.0 (* z y))
0.153 * [backup-simplify]: Simplify (- (* 4.0 (* z y))) into (- (* 4.0 (* z y)))
0.153 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (* z y)))) into (- (* 4.0 (* z y)))
0.153 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in y
0.153 * [taylor]: Taking taylor expansion of (* 4.0 (* 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 (* 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
0.154 * [backup-simplify]: Simplify (* 4.0 0) into 0
0.154 * [backup-simplify]: Simplify (- 0) into 0
0.154 * [taylor]: Taking taylor expansion of 0 in z
0.154 * [backup-simplify]: Simplify 0 into 0
0.154 * [backup-simplify]: Simplify 0 into 0
0.154 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.155 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (* z y))) into 0
0.155 * [backup-simplify]: Simplify (- 0) into 0
0.155 * [backup-simplify]: Simplify (+ 0 0) into 0
0.155 * [taylor]: Taking taylor expansion of 0 in y
0.155 * [backup-simplify]: Simplify 0 into 0
0.155 * [taylor]: Taking taylor expansion of 0 in z
0.155 * [backup-simplify]: Simplify 0 into 0
0.155 * [backup-simplify]: Simplify 0 into 0
0.156 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.156 * [backup-simplify]: Simplify (+ (* 4.0 z) (* 0 0)) into (* 4.0 z)
0.156 * [backup-simplify]: Simplify (- (* 4.0 z)) into (- (* 4.0 z))
0.156 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z
0.156 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.156 * [taylor]: Taking taylor expansion of 4.0 in z
0.156 * [backup-simplify]: Simplify 4.0 into 4.0
0.156 * [taylor]: Taking taylor expansion of z in z
0.156 * [backup-simplify]: Simplify 0 into 0
0.156 * [backup-simplify]: Simplify 1 into 1
0.156 * [backup-simplify]: Simplify (* 4.0 0) into 0
0.157 * [backup-simplify]: Simplify (- 0) into 0
0.157 * [backup-simplify]: Simplify 0 into 0
0.157 * [backup-simplify]: Simplify 0 into 0
0.157 * [backup-simplify]: Simplify (* 1 1) into 1
0.157 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.158 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (* z y)))) into 0
0.158 * [backup-simplify]: Simplify (- 0) into 0
0.158 * [backup-simplify]: Simplify (+ 1 0) into 1
0.158 * [taylor]: Taking taylor expansion of 1 in y
0.158 * [backup-simplify]: Simplify 1 into 1
0.158 * [taylor]: Taking taylor expansion of 1 in z
0.158 * [backup-simplify]: Simplify 1 into 1
0.158 * [backup-simplify]: Simplify 1 into 1
0.158 * [taylor]: Taking taylor expansion of 0 in z
0.158 * [backup-simplify]: Simplify 0 into 0
0.158 * [backup-simplify]: Simplify 0 into 0
0.159 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.159 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 z) (* 0 0))) into 0
0.160 * [backup-simplify]: Simplify (- 0) into 0
0.160 * [taylor]: Taking taylor expansion of 0 in z
0.160 * [backup-simplify]: Simplify 0 into 0
0.160 * [backup-simplify]: Simplify 0 into 0
0.160 * [backup-simplify]: Simplify 0 into 0
0.161 * [backup-simplify]: Simplify (+ (* 4.0 1) (* 0 0)) into 4.0
0.161 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.161 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.161 * [backup-simplify]: Simplify 0 into 0
0.162 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.163 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.164 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (* 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
0.165 * [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 * [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 * [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 (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.167 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 z) (* 0 0)))) 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
0.167 * [backup-simplify]: Simplify 0 into 0
0.167 * [backup-simplify]: Simplify 0 into 0
0.168 * [backup-simplify]: Simplify (+ (* (- 4.0) (* z (* y 1))) (* 1 (pow (* 1 (* 1 x)) 2))) into (- (pow x 2) (* 4.0 (* z y)))
0.168 * [backup-simplify]: Simplify (- (* (/ 1 x) (/ 1 x)) (* (* (/ 1 y) (/ 1 z)) 4.0)) into (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y))))
0.168 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.168 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in z
0.168 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in z
0.168 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.168 * [taylor]: Taking taylor expansion of x in z
0.168 * [backup-simplify]: Simplify x into x
0.168 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.168 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.168 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.168 * [taylor]: Taking taylor expansion of 4.0 in z
0.168 * [backup-simplify]: Simplify 4.0 into 4.0
0.168 * [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
0.169 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.169 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.169 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in y
0.169 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.169 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.169 * [taylor]: Taking taylor expansion of x in y
0.169 * [backup-simplify]: Simplify x into x
0.169 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.169 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.169 * [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
0.170 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.170 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.170 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.170 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.170 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.170 * [taylor]: Taking taylor expansion of x in x
0.170 * [backup-simplify]: Simplify 0 into 0
0.170 * [backup-simplify]: Simplify 1 into 1
0.171 * [backup-simplify]: Simplify (* 1 1) into 1
0.171 * [backup-simplify]: Simplify (/ 1 1) into 1
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
0.171 * [backup-simplify]: Simplify (* z y) into (* z y)
0.171 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.171 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.171 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.171 * [taylor]: Taking taylor expansion of (pow x 2) 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 * [backup-simplify]: Simplify (/ 1 1) into 1
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
0.172 * [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 * [backup-simplify]: Simplify (+ 1 0) into 1
0.173 * [taylor]: Taking taylor expansion of 1 in y
0.173 * [backup-simplify]: Simplify 1 into 1
0.174 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.174 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.175 * [backup-simplify]: Simplify (+ 0 0) into 0
0.175 * [taylor]: Taking taylor expansion of 0 in y
0.175 * [backup-simplify]: Simplify 0 into 0
0.175 * [taylor]: Taking taylor expansion of 1 in z
0.175 * [backup-simplify]: Simplify 1 into 1
0.176 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.177 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.177 * [backup-simplify]: Simplify (* 4.0 (/ 1 (* z y))) into (/ 4.0 (* z y))
0.177 * [backup-simplify]: Simplify (- (/ 4.0 (* z y))) into (- (* 4.0 (/ 1 (* z y))))
0.177 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (/ 1 (* z y))))) into (- (* 4.0 (/ 1 (* z y))))
0.177 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.177 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.177 * [taylor]: Taking taylor expansion of 4.0 in y
0.177 * [backup-simplify]: Simplify 4.0 into 4.0
0.177 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.177 * [taylor]: Taking taylor expansion of (* z y) in y
0.177 * [taylor]: Taking taylor expansion of z in y
0.177 * [backup-simplify]: Simplify z into z
0.177 * [taylor]: Taking taylor expansion of y in y
0.177 * [backup-simplify]: Simplify 0 into 0
0.177 * [backup-simplify]: Simplify 1 into 1
0.177 * [backup-simplify]: Simplify (* z 0) into 0
0.178 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.178 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.178 * [backup-simplify]: Simplify (* 4.0 (/ 1 z)) into (/ 4.0 z)
0.178 * [backup-simplify]: Simplify (- (/ 4.0 z)) into (- (* 4.0 (/ 1 z)))
0.178 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.178 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.178 * [taylor]: Taking taylor expansion of 4.0 in z
0.178 * [backup-simplify]: Simplify 4.0 into 4.0
0.178 * [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
0.179 * [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 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
0.180 * [backup-simplify]: Simplify 1 into 1
0.181 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.182 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.182 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.182 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))))) into 0
0.182 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 (* z y)))) into 0
0.183 * [backup-simplify]: Simplify (- 0) into 0
0.183 * [backup-simplify]: Simplify (+ 0 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
0.185 * [taylor]: Taking taylor expansion of 0 in z
0.185 * [backup-simplify]: Simplify 0 into 0
0.185 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.186 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 1)) into 0
0.186 * [backup-simplify]: Simplify (- 0) into 0
0.186 * [backup-simplify]: Simplify 0 into 0
0.187 * [backup-simplify]: Simplify 0 into 0
0.187 * [backup-simplify]: Simplify 0 into 0
0.187 * [backup-simplify]: Simplify 0 into 0
0.188 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.188 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.189 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.189 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.190 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 (* z y))))) into 0
0.190 * [backup-simplify]: Simplify (- 0) into 0
0.191 * [backup-simplify]: Simplify (+ 0 0) into 0
0.191 * [taylor]: Taking taylor expansion of 0 in y
0.191 * [backup-simplify]: Simplify 0 into 0
0.191 * [taylor]: Taking taylor expansion of 0 in z
0.191 * [backup-simplify]: Simplify 0 into 0
0.192 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.192 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.192 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
0.193 * [backup-simplify]: Simplify (- 0) into 0
0.193 * [taylor]: Taking taylor expansion of 0 in z
0.193 * [backup-simplify]: Simplify 0 into 0
0.193 * [taylor]: Taking taylor expansion of 0 in z
0.193 * [backup-simplify]: Simplify 0 into 0
0.193 * [taylor]: Taking taylor expansion of 0 in z
0.193 * [backup-simplify]: Simplify 0 into 0
0.193 * [backup-simplify]: Simplify 0 into 0
0.193 * [backup-simplify]: Simplify 0 into 0
0.194 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (* 1 (/ 1 (/ 1 x)))) 2)) (* (- 4.0) (* (/ 1 (/ 1 z)) (* (/ 1 (/ 1 y)) 1)))) into (- (pow x 2) (* 4.0 (* z y)))
0.194 * [backup-simplify]: Simplify (- (* (/ 1 (- x)) (/ 1 (- x))) (* (* (/ 1 (- y)) (/ 1 (- z))) 4.0)) into (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y))))
0.194 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.194 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in z
0.194 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in z
0.194 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.194 * [taylor]: Taking taylor expansion of x in z
0.194 * [backup-simplify]: Simplify x into x
0.194 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.194 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.195 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.195 * [taylor]: Taking taylor expansion of 4.0 in z
0.195 * [backup-simplify]: Simplify 4.0 into 4.0
0.195 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.195 * [taylor]: Taking taylor expansion of (* z y) in z
0.195 * [taylor]: Taking taylor expansion of z in z
0.195 * [backup-simplify]: Simplify 0 into 0
0.195 * [backup-simplify]: Simplify 1 into 1
0.195 * [taylor]: Taking taylor expansion of y in z
0.195 * [backup-simplify]: Simplify y into y
0.195 * [backup-simplify]: Simplify (* 0 y) into 0
0.195 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.195 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.195 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in y
0.195 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.195 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.195 * [taylor]: Taking taylor expansion of x in y
0.195 * [backup-simplify]: Simplify x into x
0.195 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.196 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.196 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.196 * [taylor]: Taking taylor expansion of 4.0 in y
0.196 * [backup-simplify]: Simplify 4.0 into 4.0
0.196 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.196 * [taylor]: Taking taylor expansion of (* z y) in y
0.196 * [taylor]: Taking taylor expansion of z in y
0.196 * [backup-simplify]: Simplify z into z
0.196 * [taylor]: Taking taylor expansion of y in y
0.196 * [backup-simplify]: Simplify 0 into 0
0.196 * [backup-simplify]: Simplify 1 into 1
0.196 * [backup-simplify]: Simplify (* z 0) into 0
0.196 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.196 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.196 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.196 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.196 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.196 * [taylor]: Taking taylor expansion of x in x
0.196 * [backup-simplify]: Simplify 0 into 0
0.196 * [backup-simplify]: Simplify 1 into 1
0.197 * [backup-simplify]: Simplify (* 1 1) into 1
0.197 * [backup-simplify]: Simplify (/ 1 1) into 1
0.197 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.197 * [taylor]: Taking taylor expansion of 4.0 in x
0.197 * [backup-simplify]: Simplify 4.0 into 4.0
0.197 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.197 * [taylor]: Taking taylor expansion of (* z y) in x
0.197 * [taylor]: Taking taylor expansion of z in x
0.197 * [backup-simplify]: Simplify z into z
0.197 * [taylor]: Taking taylor expansion of y in x
0.197 * [backup-simplify]: Simplify y into y
0.197 * [backup-simplify]: Simplify (* z y) into (* z y)
0.197 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.198 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.198 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.198 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.198 * [taylor]: Taking taylor expansion of x in x
0.198 * [backup-simplify]: Simplify 0 into 0
0.198 * [backup-simplify]: Simplify 1 into 1
0.198 * [backup-simplify]: Simplify (* 1 1) into 1
0.198 * [backup-simplify]: Simplify (/ 1 1) into 1
0.198 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.198 * [taylor]: Taking taylor expansion of 4.0 in x
0.198 * [backup-simplify]: Simplify 4.0 into 4.0
0.198 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.198 * [taylor]: Taking taylor expansion of (* z y) in x
0.198 * [taylor]: Taking taylor expansion of z in x
0.199 * [backup-simplify]: Simplify z into z
0.199 * [taylor]: Taking taylor expansion of y in x
0.199 * [backup-simplify]: Simplify y into y
0.199 * [backup-simplify]: Simplify (* z y) into (* z y)
0.199 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.199 * [backup-simplify]: Simplify (+ 1 0) into 1
0.199 * [taylor]: Taking taylor expansion of 1 in y
0.199 * [backup-simplify]: Simplify 1 into 1
0.200 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.200 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.201 * [backup-simplify]: Simplify (+ 0 0) into 0
0.201 * [taylor]: Taking taylor expansion of 0 in y
0.201 * [backup-simplify]: Simplify 0 into 0
0.201 * [taylor]: Taking taylor expansion of 1 in z
0.201 * [backup-simplify]: Simplify 1 into 1
0.202 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.203 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.203 * [backup-simplify]: Simplify (* 4.0 (/ 1 (* z y))) into (/ 4.0 (* z y))
0.203 * [backup-simplify]: Simplify (- (/ 4.0 (* z y))) into (- (* 4.0 (/ 1 (* z y))))
0.203 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (/ 1 (* z y))))) into (- (* 4.0 (/ 1 (* z y))))
0.203 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.203 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.203 * [taylor]: Taking taylor expansion of 4.0 in y
0.203 * [backup-simplify]: Simplify 4.0 into 4.0
0.203 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.203 * [taylor]: Taking taylor expansion of (* z y) in y
0.203 * [taylor]: Taking taylor expansion of z in y
0.203 * [backup-simplify]: Simplify z into z
0.203 * [taylor]: Taking taylor expansion of y in y
0.203 * [backup-simplify]: Simplify 0 into 0
0.203 * [backup-simplify]: Simplify 1 into 1
0.203 * [backup-simplify]: Simplify (* z 0) into 0
0.204 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.204 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.204 * [backup-simplify]: Simplify (* 4.0 (/ 1 z)) into (/ 4.0 z)
0.204 * [backup-simplify]: Simplify (- (/ 4.0 z)) into (- (* 4.0 (/ 1 z)))
0.204 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.204 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.204 * [taylor]: Taking taylor expansion of 4.0 in z
0.204 * [backup-simplify]: Simplify 4.0 into 4.0
0.204 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.204 * [taylor]: Taking taylor expansion of z in z
0.204 * [backup-simplify]: Simplify 0 into 0
0.204 * [backup-simplify]: Simplify 1 into 1
0.204 * [backup-simplify]: Simplify (/ 1 1) into 1
0.205 * [backup-simplify]: Simplify (* 4.0 1) into 4.0
0.205 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.205 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.206 * [taylor]: Taking taylor expansion of 0 in z
0.206 * [backup-simplify]: Simplify 0 into 0
0.206 * [taylor]: Taking taylor expansion of 0 in z
0.206 * [backup-simplify]: Simplify 0 into 0
0.206 * [backup-simplify]: Simplify 1 into 1
0.207 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.207 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.208 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.208 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))))) into 0
0.208 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 (* z y)))) into 0
0.209 * [backup-simplify]: Simplify (- 0) into 0
0.209 * [backup-simplify]: Simplify (+ 0 0) into 0
0.209 * [taylor]: Taking taylor expansion of 0 in y
0.209 * [backup-simplify]: Simplify 0 into 0
0.210 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.210 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
0.210 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 z))) into 0
0.211 * [backup-simplify]: Simplify (- 0) into 0
0.211 * [taylor]: Taking taylor expansion of 0 in z
0.211 * [backup-simplify]: Simplify 0 into 0
0.211 * [taylor]: Taking taylor expansion of 0 in z
0.211 * [backup-simplify]: Simplify 0 into 0
0.211 * [taylor]: Taking taylor expansion of 0 in z
0.211 * [backup-simplify]: Simplify 0 into 0
0.211 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.212 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 1)) into 0
0.212 * [backup-simplify]: Simplify (- 0) into 0
0.212 * [backup-simplify]: Simplify 0 into 0
0.212 * [backup-simplify]: Simplify 0 into 0
0.212 * [backup-simplify]: Simplify 0 into 0
0.213 * [backup-simplify]: Simplify 0 into 0
0.214 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.214 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.215 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.215 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.216 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 (* z y))))) into 0
0.216 * [backup-simplify]: Simplify (- 0) into 0
0.217 * [backup-simplify]: Simplify (+ 0 0) into 0
0.217 * [taylor]: Taking taylor expansion of 0 in y
0.217 * [backup-simplify]: Simplify 0 into 0
0.217 * [taylor]: Taking taylor expansion of 0 in z
0.217 * [backup-simplify]: Simplify 0 into 0
0.218 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.218 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.219 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
0.219 * [backup-simplify]: Simplify (- 0) into 0
0.219 * [taylor]: Taking taylor expansion of 0 in z
0.219 * [backup-simplify]: Simplify 0 into 0
0.219 * [taylor]: Taking taylor expansion of 0 in z
0.219 * [backup-simplify]: Simplify 0 into 0
0.219 * [taylor]: Taking taylor expansion of 0 in z
0.219 * [backup-simplify]: Simplify 0 into 0
0.219 * [backup-simplify]: Simplify 0 into 0
0.220 * [backup-simplify]: Simplify 0 into 0
0.220 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (* 1 (/ 1 (/ 1 (- x))))) 2)) (* (- 4.0) (* (/ 1 (/ 1 (- z))) (* (/ 1 (/ 1 (- y))) 1)))) into (- (pow x 2) (* 4.0 (* z y)))
0.220 * * * [progress]: simplifying candidates
0.221 * [simplify]: Simplifying:
  (/ (exp (* x x)) (exp (* (* y z) 4.0)))
  (log (- (* x x) (* (* y z) 4.0)))
  (exp (- (* x x) (* (* y z) 4.0)))
  (* (cbrt (- (* x x) (* (* y z) 4.0))) (cbrt (- (* x x) (* (* y z) 4.0))))
  (cbrt (- (* x x) (* (* y z) 4.0)))
  (* (* (- (* x x) (* (* y z) 4.0)) (- (* x x) (* (* y z) 4.0))) (- (* x x) (* (* y z) 4.0)))
  (sqrt (- (* x x) (* (* y z) 4.0)))
  (sqrt (- (* x x) (* (* y z) 4.0)))
  (- (pow (* x x) 3) (pow (* (* y z) 4.0) 3))
  (+ (* (* x x) (* x x)) (+ (* (* (* y z) 4.0) (* (* y z) 4.0)) (* (* x x) (* (* y z) 4.0))))
  (- (* (* y z) 4.0))
  (- (* (* x x) (* x x)) (* (* (* y z) 4.0) (* (* y z) 4.0)))
  (+ (* x x) (* (* y z) 4.0))
  (- (* (* y z) 4.0))
  (- (pow x 2) (* 4.0 (* z y)))
  (- (pow x 2) (* 4.0 (* z y)))
  (- (pow x 2) (* 4.0 (* z y)))
0.221 * * [simplify]: iteration 0: 35 enodes
0.233 * * [simplify]: iteration 1: 110 enodes
0.285 * * [simplify]: iteration 2: 529 enodes
0.965 * * [simplify]: iteration 3: 3502 enodes
1.943 * * [simplify]: iteration complete: 5002 enodes
1.943 * * [simplify]: Extracting #0: cost 12 inf + 0
1.944 * * [simplify]: Extracting #1: cost 121 inf + 0
1.948 * * [simplify]: Extracting #2: cost 1178 inf + 20
1.963 * * [simplify]: Extracting #3: cost 1183 inf + 3507
1.970 * * [simplify]: Extracting #4: cost 264 inf + 8923
1.982 * * [simplify]: Extracting #5: cost 14 inf + 11942
1.991 * * [simplify]: Extracting #6: cost 0 inf + 12118
1.997 * [simplify]: Simplified to:
  (exp (- (* x x) (* (* y z) 4.0)))
  (log (- (* x x) (* (* y z) 4.0)))
  (exp (- (* x x) (* (* y z) 4.0)))
  (* (cbrt (- (* x x) (* (* y z) 4.0))) (cbrt (- (* x x) (* (* y z) 4.0))))
  (cbrt (- (* x x) (* (* y z) 4.0)))
  (pow (- (* x x) (* (* y z) 4.0)) 3)
  (sqrt (- (* x x) (* (* y z) 4.0)))
  (sqrt (- (* x x) (* (* y z) 4.0)))
  (- (pow x 6) (pow (* (* y z) 4.0) 3))
  (+ (* (* (* y z) 4.0) (+ (* x x) (* (* y z) 4.0))) (pow x 4))
  (* (* z (- 4.0)) y)
  (- (pow x 4) (* (* (* y z) 4.0) (* (* y z) 4.0)))
  (+ (* x x) (* (* y z) 4.0))
  (* (* z (- 4.0)) y)
  (- (* x x) (* (* y z) 4.0))
  (- (* x x) (* (* y z) 4.0))
  (- (* x x) (* (* y z) 4.0))
1.997 * * * [progress]: adding candidates to table
2.044 * [progress]: [Phase 3 of 3] Extracting.
2.048 * [simplify]: Simplifying:
  (- (* x x) (* (* y z) 4.0))
2.048 * * [simplify]: iteration 0: 8 enodes
2.048 * * [simplify]: iteration 1: 10 enodes
2.049 * * [simplify]: iteration complete: 10 enodes
2.049 * * [simplify]: Extracting #0: cost 1 inf + 0
2.049 * * [simplify]: Extracting #1: cost 3 inf + 0
2.049 * * [simplify]: Extracting #2: cost 6 inf + 0
2.049 * * [simplify]: Extracting #3: cost 6 inf + 2
2.049 * * [simplify]: Extracting #4: cost 0 inf + 24
2.049 * [simplify]: Simplified to:
  (- (* x x) (* (* y z) 4.0))
3.507 * [regime-testing]: Baseline error score: 0.011409509001936546
3.519 * [regime-testing]: Oracle error score: 0.011409509001936546
3.519 * [regime-testing]: End program error score: 0.011409509001936546