11.214 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.070 * * * [progress]: [2/2] Setting up program.
0.090 * [progress]: [Phase 2 of 3] Improving.
0.090 * [simplify]: Simplifying:
  (- (* x x) (* (* y 4.0) z))
0.090 * * [simplify]: iteration 0: 8 enodes
0.094 * * [simplify]: iteration 1: 14 enodes
0.100 * * [simplify]: iteration 2: 31 enodes
0.115 * * [simplify]: iteration 3: 55 enodes
0.143 * * [simplify]: iteration 4: 58 enodes
0.162 * * [simplify]: iteration complete: 58 enodes
0.162 * * [simplify]: Extracting #0: cost 1 inf + 0
0.162 * * [simplify]: Extracting #1: cost 4 inf + 0
0.162 * * [simplify]: Extracting #2: cost 17 inf + 0
0.162 * * [simplify]: Extracting #3: cost 13 inf + 4
0.162 * * [simplify]: Extracting #4: cost 1 inf + 828
0.163 * * [simplify]: Extracting #5: cost 0 inf + 910
0.164 * [simplify]: Simplified to:
  (- (* x x) (* z (* y 4.0)))
0.165 * * [progress]: iteration 1 / 4
0.165 * * * [progress]: picking best candidate
0.176 * * * * [pick]: Picked  #<alt (λ (x y z) (- (* x x) (* (* y 4.0) z)))>
0.176 * * * [progress]: localizing error
0.209 * * * [progress]: generating rewritten candidates
0.209 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.227 * * * [progress]: generating series expansions
0.227 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.228 * [backup-simplify]: Simplify (- (* x x) (* (* y 4.0) z)) into (- (pow x 2) (* 4.0 (* z y)))
0.228 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in (x y z) around 0
0.228 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in z
0.228 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.228 * [taylor]: Taking taylor expansion of x in z
0.228 * [backup-simplify]: Simplify x into x
0.228 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in z
0.228 * [taylor]: Taking taylor expansion of 4.0 in z
0.228 * [backup-simplify]: Simplify 4.0 into 4.0
0.228 * [taylor]: Taking taylor expansion of (* z y) in z
0.228 * [taylor]: Taking taylor expansion of z in z
0.228 * [backup-simplify]: Simplify 0 into 0
0.228 * [backup-simplify]: Simplify 1 into 1
0.229 * [taylor]: Taking taylor expansion of y in z
0.229 * [backup-simplify]: Simplify y into y
0.229 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in y
0.229 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.229 * [taylor]: Taking taylor expansion of x in y
0.229 * [backup-simplify]: Simplify x into x
0.229 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.229 * [taylor]: Taking taylor expansion of 4.0 in y
0.229 * [backup-simplify]: Simplify 4.0 into 4.0
0.229 * [taylor]: Taking taylor expansion of (* z y) in y
0.229 * [taylor]: Taking taylor expansion of z in y
0.229 * [backup-simplify]: Simplify z into z
0.229 * [taylor]: Taking taylor expansion of y in y
0.229 * [backup-simplify]: Simplify 0 into 0
0.229 * [backup-simplify]: Simplify 1 into 1
0.229 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in x
0.229 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.229 * [taylor]: Taking taylor expansion of x in x
0.229 * [backup-simplify]: Simplify 0 into 0
0.229 * [backup-simplify]: Simplify 1 into 1
0.229 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.229 * [taylor]: Taking taylor expansion of 4.0 in x
0.229 * [backup-simplify]: Simplify 4.0 into 4.0
0.229 * [taylor]: Taking taylor expansion of (* z y) in x
0.229 * [taylor]: Taking taylor expansion of z in x
0.229 * [backup-simplify]: Simplify z into z
0.229 * [taylor]: Taking taylor expansion of y in x
0.229 * [backup-simplify]: Simplify y into y
0.229 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in x
0.230 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.230 * [taylor]: Taking taylor expansion of x in x
0.230 * [backup-simplify]: Simplify 0 into 0
0.230 * [backup-simplify]: Simplify 1 into 1
0.230 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.230 * [taylor]: Taking taylor expansion of 4.0 in x
0.230 * [backup-simplify]: Simplify 4.0 into 4.0
0.230 * [taylor]: Taking taylor expansion of (* z y) in x
0.230 * [taylor]: Taking taylor expansion of z in x
0.230 * [backup-simplify]: Simplify z into z
0.230 * [taylor]: Taking taylor expansion of y in x
0.230 * [backup-simplify]: Simplify y into y
0.230 * [backup-simplify]: Simplify (* z y) into (* z y)
0.230 * [backup-simplify]: Simplify (* 4.0 (* z y)) into (* 4.0 (* z y))
0.230 * [backup-simplify]: Simplify (- (* 4.0 (* z y))) into (- (* 4.0 (* z y)))
0.230 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (* z y)))) into (- (* 4.0 (* z y)))
0.230 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in y
0.230 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.231 * [taylor]: Taking taylor expansion of 4.0 in y
0.231 * [backup-simplify]: Simplify 4.0 into 4.0
0.231 * [taylor]: Taking taylor expansion of (* z y) in y
0.231 * [taylor]: Taking taylor expansion of z in y
0.231 * [backup-simplify]: Simplify z into z
0.231 * [taylor]: Taking taylor expansion of y in y
0.231 * [backup-simplify]: Simplify 0 into 0
0.231 * [backup-simplify]: Simplify 1 into 1
0.231 * [backup-simplify]: Simplify (* z 0) into 0
0.231 * [backup-simplify]: Simplify (* 4.0 0) into 0
0.232 * [backup-simplify]: Simplify (- 0) into 0
0.232 * [taylor]: Taking taylor expansion of 0 in z
0.232 * [backup-simplify]: Simplify 0 into 0
0.232 * [backup-simplify]: Simplify 0 into 0
0.232 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.233 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (* z y))) into 0
0.233 * [backup-simplify]: Simplify (- 0) into 0
0.233 * [backup-simplify]: Simplify (+ 0 0) into 0
0.233 * [taylor]: Taking taylor expansion of 0 in y
0.233 * [backup-simplify]: Simplify 0 into 0
0.233 * [taylor]: Taking taylor expansion of 0 in z
0.233 * [backup-simplify]: Simplify 0 into 0
0.233 * [backup-simplify]: Simplify 0 into 0
0.234 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.234 * [backup-simplify]: Simplify (+ (* 4.0 z) (* 0 0)) into (* 4.0 z)
0.234 * [backup-simplify]: Simplify (- (* 4.0 z)) into (- (* 4.0 z))
0.235 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z
0.235 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.235 * [taylor]: Taking taylor expansion of 4.0 in z
0.235 * [backup-simplify]: Simplify 4.0 into 4.0
0.235 * [taylor]: Taking taylor expansion of z in z
0.235 * [backup-simplify]: Simplify 0 into 0
0.235 * [backup-simplify]: Simplify 1 into 1
0.235 * [backup-simplify]: Simplify (* 4.0 0) into 0
0.236 * [backup-simplify]: Simplify (- 0) into 0
0.236 * [backup-simplify]: Simplify 0 into 0
0.236 * [backup-simplify]: Simplify 0 into 0
0.236 * [backup-simplify]: Simplify (* 1 1) into 1
0.236 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.237 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (* z y)))) into 0
0.238 * [backup-simplify]: Simplify (- 0) into 0
0.238 * [backup-simplify]: Simplify (+ 1 0) into 1
0.238 * [taylor]: Taking taylor expansion of 1 in y
0.238 * [backup-simplify]: Simplify 1 into 1
0.238 * [taylor]: Taking taylor expansion of 1 in z
0.238 * [backup-simplify]: Simplify 1 into 1
0.238 * [backup-simplify]: Simplify 1 into 1
0.238 * [taylor]: Taking taylor expansion of 0 in z
0.238 * [backup-simplify]: Simplify 0 into 0
0.238 * [backup-simplify]: Simplify 0 into 0
0.239 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.240 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 z) (* 0 0))) into 0
0.240 * [backup-simplify]: Simplify (- 0) into 0
0.240 * [taylor]: Taking taylor expansion of 0 in z
0.240 * [backup-simplify]: Simplify 0 into 0
0.240 * [backup-simplify]: Simplify 0 into 0
0.240 * [backup-simplify]: Simplify 0 into 0
0.242 * [backup-simplify]: Simplify (+ (* 4.0 1) (* 0 0)) into 4.0
0.242 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.243 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.243 * [backup-simplify]: Simplify 0 into 0
0.243 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.244 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.245 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (* z y))))) into 0
0.246 * [backup-simplify]: Simplify (- 0) into 0
0.246 * [backup-simplify]: Simplify (+ 0 0) into 0
0.246 * [taylor]: Taking taylor expansion of 0 in y
0.246 * [backup-simplify]: Simplify 0 into 0
0.246 * [taylor]: Taking taylor expansion of 0 in z
0.246 * [backup-simplify]: Simplify 0 into 0
0.246 * [backup-simplify]: Simplify 0 into 0
0.247 * [taylor]: Taking taylor expansion of 0 in z
0.247 * [backup-simplify]: Simplify 0 into 0
0.247 * [backup-simplify]: Simplify 0 into 0
0.247 * [taylor]: Taking taylor expansion of 0 in z
0.247 * [backup-simplify]: Simplify 0 into 0
0.247 * [backup-simplify]: Simplify 0 into 0
0.248 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.249 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 z) (* 0 0)))) into 0
0.249 * [backup-simplify]: Simplify (- 0) into 0
0.249 * [taylor]: Taking taylor expansion of 0 in z
0.250 * [backup-simplify]: Simplify 0 into 0
0.250 * [backup-simplify]: Simplify 0 into 0
0.250 * [backup-simplify]: Simplify 0 into 0
0.250 * [backup-simplify]: Simplify (+ (* (- 4.0) (* z (* y 1))) (* 1 (pow (* 1 (* 1 x)) 2))) into (- (pow x 2) (* 4.0 (* z y)))
0.251 * [backup-simplify]: Simplify (- (* (/ 1 x) (/ 1 x)) (* (* (/ 1 y) 4.0) (/ 1 z))) into (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y))))
0.251 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.251 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in z
0.251 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in z
0.251 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.251 * [taylor]: Taking taylor expansion of x in z
0.251 * [backup-simplify]: Simplify x into x
0.251 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.251 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.251 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.251 * [taylor]: Taking taylor expansion of 4.0 in z
0.251 * [backup-simplify]: Simplify 4.0 into 4.0
0.251 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.251 * [taylor]: Taking taylor expansion of (* z y) in z
0.251 * [taylor]: Taking taylor expansion of z in z
0.251 * [backup-simplify]: Simplify 0 into 0
0.251 * [backup-simplify]: Simplify 1 into 1
0.251 * [taylor]: Taking taylor expansion of y in z
0.251 * [backup-simplify]: Simplify y into y
0.251 * [backup-simplify]: Simplify (* 0 y) into 0
0.252 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.252 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.252 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in y
0.252 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.252 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.252 * [taylor]: Taking taylor expansion of x in y
0.252 * [backup-simplify]: Simplify x into x
0.252 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.252 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.253 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.253 * [taylor]: Taking taylor expansion of 4.0 in y
0.253 * [backup-simplify]: Simplify 4.0 into 4.0
0.253 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.253 * [taylor]: Taking taylor expansion of (* z y) in y
0.253 * [taylor]: Taking taylor expansion of z in y
0.253 * [backup-simplify]: Simplify z into z
0.253 * [taylor]: Taking taylor expansion of y in y
0.253 * [backup-simplify]: Simplify 0 into 0
0.253 * [backup-simplify]: Simplify 1 into 1
0.253 * [backup-simplify]: Simplify (* z 0) into 0
0.253 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.253 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.253 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.253 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.253 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.253 * [taylor]: Taking taylor expansion of x in x
0.253 * [backup-simplify]: Simplify 0 into 0
0.254 * [backup-simplify]: Simplify 1 into 1
0.254 * [backup-simplify]: Simplify (* 1 1) into 1
0.254 * [backup-simplify]: Simplify (/ 1 1) into 1
0.254 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.254 * [taylor]: Taking taylor expansion of 4.0 in x
0.254 * [backup-simplify]: Simplify 4.0 into 4.0
0.254 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.254 * [taylor]: Taking taylor expansion of (* z y) in x
0.254 * [taylor]: Taking taylor expansion of z in x
0.255 * [backup-simplify]: Simplify z into z
0.255 * [taylor]: Taking taylor expansion of y in x
0.255 * [backup-simplify]: Simplify y into y
0.255 * [backup-simplify]: Simplify (* z y) into (* z y)
0.255 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.255 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.255 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.255 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.255 * [taylor]: Taking taylor expansion of x in x
0.255 * [backup-simplify]: Simplify 0 into 0
0.255 * [backup-simplify]: Simplify 1 into 1
0.255 * [backup-simplify]: Simplify (* 1 1) into 1
0.256 * [backup-simplify]: Simplify (/ 1 1) into 1
0.256 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.256 * [taylor]: Taking taylor expansion of 4.0 in x
0.256 * [backup-simplify]: Simplify 4.0 into 4.0
0.256 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.256 * [taylor]: Taking taylor expansion of (* z y) in x
0.256 * [taylor]: Taking taylor expansion of z in x
0.256 * [backup-simplify]: Simplify z into z
0.256 * [taylor]: Taking taylor expansion of y in x
0.256 * [backup-simplify]: Simplify y into y
0.256 * [backup-simplify]: Simplify (* z y) into (* z y)
0.256 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.257 * [backup-simplify]: Simplify (+ 1 0) into 1
0.257 * [taylor]: Taking taylor expansion of 1 in y
0.257 * [backup-simplify]: Simplify 1 into 1
0.257 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.258 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.259 * [backup-simplify]: Simplify (+ 0 0) into 0
0.259 * [taylor]: Taking taylor expansion of 0 in y
0.259 * [backup-simplify]: Simplify 0 into 0
0.259 * [taylor]: Taking taylor expansion of 1 in z
0.259 * [backup-simplify]: Simplify 1 into 1
0.260 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.261 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.261 * [backup-simplify]: Simplify (* 4.0 (/ 1 (* z y))) into (/ 4.0 (* z y))
0.261 * [backup-simplify]: Simplify (- (/ 4.0 (* z y))) into (- (* 4.0 (/ 1 (* z y))))
0.261 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (/ 1 (* z y))))) into (- (* 4.0 (/ 1 (* z y))))
0.261 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.261 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.261 * [taylor]: Taking taylor expansion of 4.0 in y
0.261 * [backup-simplify]: Simplify 4.0 into 4.0
0.261 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.261 * [taylor]: Taking taylor expansion of (* z y) in y
0.261 * [taylor]: Taking taylor expansion of z in y
0.261 * [backup-simplify]: Simplify z into z
0.262 * [taylor]: Taking taylor expansion of y in y
0.262 * [backup-simplify]: Simplify 0 into 0
0.262 * [backup-simplify]: Simplify 1 into 1
0.262 * [backup-simplify]: Simplify (* z 0) into 0
0.262 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.262 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.262 * [backup-simplify]: Simplify (* 4.0 (/ 1 z)) into (/ 4.0 z)
0.262 * [backup-simplify]: Simplify (- (/ 4.0 z)) into (- (* 4.0 (/ 1 z)))
0.262 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.263 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.263 * [taylor]: Taking taylor expansion of 4.0 in z
0.263 * [backup-simplify]: Simplify 4.0 into 4.0
0.263 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.263 * [taylor]: Taking taylor expansion of z in z
0.263 * [backup-simplify]: Simplify 0 into 0
0.263 * [backup-simplify]: Simplify 1 into 1
0.263 * [backup-simplify]: Simplify (/ 1 1) into 1
0.264 * [backup-simplify]: Simplify (* 4.0 1) into 4.0
0.264 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.264 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.264 * [taylor]: Taking taylor expansion of 0 in z
0.264 * [backup-simplify]: Simplify 0 into 0
0.264 * [taylor]: Taking taylor expansion of 0 in z
0.264 * [backup-simplify]: Simplify 0 into 0
0.265 * [backup-simplify]: Simplify 1 into 1
0.266 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.266 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.267 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.267 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))))) into 0
0.268 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 (* z y)))) into 0
0.268 * [backup-simplify]: Simplify (- 0) into 0
0.268 * [backup-simplify]: Simplify (+ 0 0) into 0
0.268 * [taylor]: Taking taylor expansion of 0 in y
0.268 * [backup-simplify]: Simplify 0 into 0
0.269 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.269 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
0.270 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 z))) into 0
0.270 * [backup-simplify]: Simplify (- 0) into 0
0.270 * [taylor]: Taking taylor expansion of 0 in z
0.270 * [backup-simplify]: Simplify 0 into 0
0.270 * [taylor]: Taking taylor expansion of 0 in z
0.270 * [backup-simplify]: Simplify 0 into 0
0.270 * [taylor]: Taking taylor expansion of 0 in z
0.271 * [backup-simplify]: Simplify 0 into 0
0.271 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.272 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 1)) into 0
0.273 * [backup-simplify]: Simplify (- 0) into 0
0.273 * [backup-simplify]: Simplify 0 into 0
0.273 * [backup-simplify]: Simplify 0 into 0
0.273 * [backup-simplify]: Simplify 0 into 0
0.273 * [backup-simplify]: Simplify 0 into 0
0.274 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.275 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.276 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.276 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.277 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 (* z y))))) into 0
0.277 * [backup-simplify]: Simplify (- 0) into 0
0.278 * [backup-simplify]: Simplify (+ 0 0) into 0
0.278 * [taylor]: Taking taylor expansion of 0 in y
0.278 * [backup-simplify]: Simplify 0 into 0
0.278 * [taylor]: Taking taylor expansion of 0 in z
0.278 * [backup-simplify]: Simplify 0 into 0
0.279 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.279 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.280 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
0.280 * [backup-simplify]: Simplify (- 0) into 0
0.280 * [taylor]: Taking taylor expansion of 0 in z
0.280 * [backup-simplify]: Simplify 0 into 0
0.280 * [taylor]: Taking taylor expansion of 0 in z
0.280 * [backup-simplify]: Simplify 0 into 0
0.280 * [taylor]: Taking taylor expansion of 0 in z
0.280 * [backup-simplify]: Simplify 0 into 0
0.281 * [backup-simplify]: Simplify 0 into 0
0.281 * [backup-simplify]: Simplify 0 into 0
0.281 * [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)))
0.282 * [backup-simplify]: Simplify (- (* (/ 1 (- x)) (/ 1 (- x))) (* (* (/ 1 (- y)) 4.0) (/ 1 (- z)))) into (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y))))
0.282 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.282 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in z
0.282 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in z
0.282 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.282 * [taylor]: Taking taylor expansion of x in z
0.282 * [backup-simplify]: Simplify x into x
0.282 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.283 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.283 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.283 * [taylor]: Taking taylor expansion of 4.0 in z
0.283 * [backup-simplify]: Simplify 4.0 into 4.0
0.283 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.283 * [taylor]: Taking taylor expansion of (* z y) in z
0.283 * [taylor]: Taking taylor expansion of z in z
0.283 * [backup-simplify]: Simplify 0 into 0
0.283 * [backup-simplify]: Simplify 1 into 1
0.283 * [taylor]: Taking taylor expansion of y in z
0.283 * [backup-simplify]: Simplify y into y
0.283 * [backup-simplify]: Simplify (* 0 y) into 0
0.284 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.284 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.284 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in y
0.284 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.284 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.284 * [taylor]: Taking taylor expansion of x in y
0.284 * [backup-simplify]: Simplify x into x
0.284 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.284 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.284 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.284 * [taylor]: Taking taylor expansion of 4.0 in y
0.284 * [backup-simplify]: Simplify 4.0 into 4.0
0.284 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.284 * [taylor]: Taking taylor expansion of (* z y) in y
0.284 * [taylor]: Taking taylor expansion of z in y
0.284 * [backup-simplify]: Simplify z into z
0.284 * [taylor]: Taking taylor expansion of y in y
0.284 * [backup-simplify]: Simplify 0 into 0
0.284 * [backup-simplify]: Simplify 1 into 1
0.284 * [backup-simplify]: Simplify (* z 0) into 0
0.285 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.285 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.285 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.285 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.285 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.285 * [taylor]: Taking taylor expansion of x in x
0.285 * [backup-simplify]: Simplify 0 into 0
0.285 * [backup-simplify]: Simplify 1 into 1
0.285 * [backup-simplify]: Simplify (* 1 1) into 1
0.286 * [backup-simplify]: Simplify (/ 1 1) into 1
0.286 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.286 * [taylor]: Taking taylor expansion of 4.0 in x
0.286 * [backup-simplify]: Simplify 4.0 into 4.0
0.286 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.286 * [taylor]: Taking taylor expansion of (* z y) in x
0.286 * [taylor]: Taking taylor expansion of z in x
0.286 * [backup-simplify]: Simplify z into z
0.286 * [taylor]: Taking taylor expansion of y in x
0.286 * [backup-simplify]: Simplify y into y
0.286 * [backup-simplify]: Simplify (* z y) into (* z y)
0.286 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.286 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.286 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.286 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.286 * [taylor]: Taking taylor expansion of x in x
0.286 * [backup-simplify]: Simplify 0 into 0
0.286 * [backup-simplify]: Simplify 1 into 1
0.287 * [backup-simplify]: Simplify (* 1 1) into 1
0.287 * [backup-simplify]: Simplify (/ 1 1) into 1
0.287 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.287 * [taylor]: Taking taylor expansion of 4.0 in x
0.287 * [backup-simplify]: Simplify 4.0 into 4.0
0.287 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.287 * [taylor]: Taking taylor expansion of (* z y) in x
0.287 * [taylor]: Taking taylor expansion of z in x
0.287 * [backup-simplify]: Simplify z into z
0.287 * [taylor]: Taking taylor expansion of y in x
0.287 * [backup-simplify]: Simplify y into y
0.288 * [backup-simplify]: Simplify (* z y) into (* z y)
0.288 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.288 * [backup-simplify]: Simplify (+ 1 0) into 1
0.288 * [taylor]: Taking taylor expansion of 1 in y
0.288 * [backup-simplify]: Simplify 1 into 1
0.289 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.290 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.290 * [backup-simplify]: Simplify (+ 0 0) into 0
0.290 * [taylor]: Taking taylor expansion of 0 in y
0.290 * [backup-simplify]: Simplify 0 into 0
0.290 * [taylor]: Taking taylor expansion of 1 in z
0.290 * [backup-simplify]: Simplify 1 into 1
0.291 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.292 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.292 * [backup-simplify]: Simplify (* 4.0 (/ 1 (* z y))) into (/ 4.0 (* z y))
0.292 * [backup-simplify]: Simplify (- (/ 4.0 (* z y))) into (- (* 4.0 (/ 1 (* z y))))
0.292 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (/ 1 (* z y))))) into (- (* 4.0 (/ 1 (* z y))))
0.292 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.292 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.293 * [taylor]: Taking taylor expansion of 4.0 in y
0.293 * [backup-simplify]: Simplify 4.0 into 4.0
0.293 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.293 * [taylor]: Taking taylor expansion of (* z y) in y
0.293 * [taylor]: Taking taylor expansion of z in y
0.293 * [backup-simplify]: Simplify z into z
0.293 * [taylor]: Taking taylor expansion of y in y
0.293 * [backup-simplify]: Simplify 0 into 0
0.293 * [backup-simplify]: Simplify 1 into 1
0.293 * [backup-simplify]: Simplify (* z 0) into 0
0.293 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.293 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.293 * [backup-simplify]: Simplify (* 4.0 (/ 1 z)) into (/ 4.0 z)
0.293 * [backup-simplify]: Simplify (- (/ 4.0 z)) into (- (* 4.0 (/ 1 z)))
0.294 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.294 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.294 * [taylor]: Taking taylor expansion of 4.0 in z
0.294 * [backup-simplify]: Simplify 4.0 into 4.0
0.294 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.294 * [taylor]: Taking taylor expansion of z in z
0.294 * [backup-simplify]: Simplify 0 into 0
0.294 * [backup-simplify]: Simplify 1 into 1
0.294 * [backup-simplify]: Simplify (/ 1 1) into 1
0.295 * [backup-simplify]: Simplify (* 4.0 1) into 4.0
0.295 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.295 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.295 * [taylor]: Taking taylor expansion of 0 in z
0.295 * [backup-simplify]: Simplify 0 into 0
0.295 * [taylor]: Taking taylor expansion of 0 in z
0.295 * [backup-simplify]: Simplify 0 into 0
0.296 * [backup-simplify]: Simplify 1 into 1
0.297 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.297 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.298 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.298 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))))) into 0
0.298 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 (* z y)))) into 0
0.299 * [backup-simplify]: Simplify (- 0) into 0
0.299 * [backup-simplify]: Simplify (+ 0 0) into 0
0.299 * [taylor]: Taking taylor expansion of 0 in y
0.299 * [backup-simplify]: Simplify 0 into 0
0.300 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.300 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
0.300 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 z))) into 0
0.301 * [backup-simplify]: Simplify (- 0) into 0
0.301 * [taylor]: Taking taylor expansion of 0 in z
0.301 * [backup-simplify]: Simplify 0 into 0
0.301 * [taylor]: Taking taylor expansion of 0 in z
0.301 * [backup-simplify]: Simplify 0 into 0
0.301 * [taylor]: Taking taylor expansion of 0 in z
0.301 * [backup-simplify]: Simplify 0 into 0
0.301 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.302 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 1)) into 0
0.302 * [backup-simplify]: Simplify (- 0) into 0
0.303 * [backup-simplify]: Simplify 0 into 0
0.303 * [backup-simplify]: Simplify 0 into 0
0.303 * [backup-simplify]: Simplify 0 into 0
0.303 * [backup-simplify]: Simplify 0 into 0
0.304 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.305 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.305 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.306 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.307 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 (* z y))))) into 0
0.307 * [backup-simplify]: Simplify (- 0) into 0
0.307 * [backup-simplify]: Simplify (+ 0 0) into 0
0.307 * [taylor]: Taking taylor expansion of 0 in y
0.307 * [backup-simplify]: Simplify 0 into 0
0.307 * [taylor]: Taking taylor expansion of 0 in z
0.307 * [backup-simplify]: Simplify 0 into 0
0.308 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.309 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.309 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
0.310 * [backup-simplify]: Simplify (- 0) into 0
0.310 * [taylor]: Taking taylor expansion of 0 in z
0.310 * [backup-simplify]: Simplify 0 into 0
0.310 * [taylor]: Taking taylor expansion of 0 in z
0.310 * [backup-simplify]: Simplify 0 into 0
0.310 * [taylor]: Taking taylor expansion of 0 in z
0.310 * [backup-simplify]: Simplify 0 into 0
0.310 * [backup-simplify]: Simplify 0 into 0
0.310 * [backup-simplify]: Simplify 0 into 0
0.311 * [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)))
0.311 * * * [progress]: simplifying candidates
0.312 * [simplify]: Simplifying:
  (/ (exp (* x x)) (exp (* (* y 4.0) z)))
  (log (- (* x x) (* (* y 4.0) z)))
  (exp (- (* x x) (* (* y 4.0) z)))
  (* (cbrt (- (* x x) (* (* y 4.0) z))) (cbrt (- (* x x) (* (* y 4.0) z))))
  (cbrt (- (* x x) (* (* y 4.0) z)))
  (* (* (- (* x x) (* (* y 4.0) z)) (- (* x x) (* (* y 4.0) z))) (- (* x x) (* (* y 4.0) z)))
  (sqrt (- (* x x) (* (* y 4.0) z)))
  (sqrt (- (* x x) (* (* y 4.0) z)))
  (- (pow (* x x) 3) (pow (* (* y 4.0) z) 3))
  (+ (* (* x x) (* x x)) (+ (* (* (* y 4.0) z) (* (* y 4.0) z)) (* (* x x) (* (* y 4.0) z))))
  (- (* (* y 4.0) z))
  (- (* (* x x) (* x x)) (* (* (* y 4.0) z) (* (* y 4.0) z)))
  (+ (* x x) (* (* y 4.0) z))
  (- (* (* y 4.0) z))
  (- (pow x 2) (* 4.0 (* z y)))
  (- (pow x 2) (* 4.0 (* z y)))
  (- (pow x 2) (* 4.0 (* z y)))
0.313 * * [simplify]: iteration 0: 35 enodes
0.332 * * [simplify]: iteration 1: 103 enodes
0.421 * * [simplify]: iteration 2: 374 enodes
0.872 * * [simplify]: iteration 3: 1639 enodes
3.155 * * [simplify]: iteration complete: 5000 enodes
3.155 * * [simplify]: Extracting #0: cost 12 inf + 0
3.156 * * [simplify]: Extracting #1: cost 111 inf + 0
3.160 * * [simplify]: Extracting #2: cost 939 inf + 170
3.191 * * [simplify]: Extracting #3: cost 1211 inf + 36357
3.265 * * [simplify]: Extracting #4: cost 377 inf + 200315
3.393 * * [simplify]: Extracting #5: cost 77 inf + 289110
3.522 * * [simplify]: Extracting #6: cost 13 inf + 305769
3.647 * * [simplify]: Extracting #7: cost 0 inf + 309479
3.769 * [simplify]: Simplified to:
  (exp (- (* x x) (* (* 4.0 y) z)))
  (log (- (* x x) (* (* 4.0 y) z)))
  (exp (- (* x x) (* (* 4.0 y) z)))
  (* (cbrt (- (* x x) (* (* 4.0 y) z))) (cbrt (- (* x x) (* (* 4.0 y) z))))
  (cbrt (- (* x x) (* (* 4.0 y) z)))
  (* (* (- (* x x) (* (* 4.0 y) z)) (- (* x x) (* (* 4.0 y) z))) (- (* x x) (* (* 4.0 y) z)))
  (sqrt (- (* x x) (* (* 4.0 y) z)))
  (sqrt (- (* x x) (* (* 4.0 y) z)))
  (- (* (* x x) (* (* x x) (* x x))) (* (* (* 4.0 y) z) (* (* (* 4.0 y) z) (* (* 4.0 y) z))))
  (+ (* (* x x) (* x x)) (* (* (* 4.0 y) z) (+ (* (* 4.0 y) z) (* x x))))
  (* z (- (* 4.0 y)))
  (- (* (* x x) (* x x)) (* (* (* 4.0 y) z) (* (* 4.0 y) z)))
  (+ (* (* 4.0 y) z) (* x x))
  (* z (- (* 4.0 y)))
  (- (* x x) (* (* 4.0 y) z))
  (- (* x x) (* (* 4.0 y) z))
  (- (* x x) (* (* 4.0 y) z))
3.771 * * * [progress]: adding candidates to table
3.876 * [progress]: [Phase 3 of 3] Extracting.
3.883 * [simplify]: Simplifying:
  (- (* x x) (* (* y 4.0) z))
3.883 * * [simplify]: iteration 0: 8 enodes
3.884 * * [simplify]: iteration 1: 10 enodes
3.885 * * [simplify]: iteration complete: 10 enodes
3.885 * * [simplify]: Extracting #0: cost 1 inf + 0
3.885 * * [simplify]: Extracting #1: cost 3 inf + 0
3.885 * * [simplify]: Extracting #2: cost 6 inf + 0
3.885 * * [simplify]: Extracting #3: cost 5 inf + 43
3.885 * * [simplify]: Extracting #4: cost 3 inf + 45
3.885 * * [simplify]: Extracting #5: cost 0 inf + 334
3.885 * [simplify]: Simplified to:
  (- (* x x) (* z (* y 4.0)))
7.907 * [regime-testing]: Baseline error score: 0.02425303162895362
7.926 * [regime-testing]: Oracle error score: 0.02425303162895362
7.926 * [regime-testing]: End program error score: 0.02425303162895362