18.920 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.031 * * * [progress]: [2/2] Setting up program.
0.033 * [progress]: [Phase 2 of 3] Improving.
0.033 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* x (sqrt (- (* y y) (* z z))))
0.035 * * [simplify]: iteration  0 :  14  enodes  (cost  5 )
0.037 * * [simplify]: iteration  1 :  21  enodes  (cost  5 )
0.038 * * [simplify]: iteration  2 :  36  enodes  (cost  5 )
0.039 * * [simplify]: iteration  3 :  62  enodes  (cost  5 )
0.041 * * [simplify]: iteration  4 :  133  enodes  (cost  5 )
0.043 * * [simplify]: iteration  5 :  211  enodes  (cost  5 )
0.047 * * [simplify]: iteration  6 :  397  enodes  (cost  5 )
0.055 * * [simplify]: iteration  7 :  1798  enodes  (cost  5 )
0.108 * * [simplify]: iteration  8 :  5001  enodes  (cost  5 )
0.109 * [simplify]: Simplified to:
   (* x (sqrt (- (* y y) (* z z))))
0.109 * * [progress]: iteration 1 / 4
0.109 * * * [progress]: picking best candidate
0.111 * * * * [pick]: Picked  #<alt (λ (x y z) (* x (sqrt (- (* y y) (* z z)))))>
0.111 * * * [progress]: localizing error
0.120 * * * [progress]: generating rewritten candidates
0.120 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2)
0.124 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2 1)
0.127 * * * [progress]: generating series expansions
0.127 * * * * [progress]: [ 1 / 2 ] generating series at (2 2)
0.128 * [approximate]: Taking taylor expansion of (sqrt (- (pow y 2) (pow z 2))) in (y z) around 0
0.128 * [taylor]: Taking taylor expansion of (sqrt (- (pow y 2) (pow z 2))) in z
0.128 * [taylor]: Taking taylor expansion of (- (pow y 2) (pow z 2)) in z
0.128 * [taylor]: Taking taylor expansion of (pow y 2) in z
0.128 * [taylor]: Taking taylor expansion of y in z
0.128 * [taylor]: Taking taylor expansion of (pow z 2) in z
0.128 * [taylor]: Taking taylor expansion of z in z
0.129 * [taylor]: Taking taylor expansion of (sqrt (- (pow y 2) (pow z 2))) in y
0.129 * [taylor]: Taking taylor expansion of (- (pow y 2) (pow z 2)) in y
0.129 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.129 * [taylor]: Taking taylor expansion of y in y
0.129 * [taylor]: Taking taylor expansion of (pow z 2) in y
0.129 * [taylor]: Taking taylor expansion of z in y
0.129 * [taylor]: Taking taylor expansion of (sqrt (- (pow y 2) (pow z 2))) in y
0.129 * [taylor]: Taking taylor expansion of (- (pow y 2) (pow z 2)) in y
0.129 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.130 * [taylor]: Taking taylor expansion of y in y
0.130 * [taylor]: Taking taylor expansion of (pow z 2) in y
0.130 * [taylor]: Taking taylor expansion of z in y
0.130 * [taylor]: Taking taylor expansion of (sqrt (- (pow z 2))) in z
0.130 * [taylor]: Taking taylor expansion of (- (pow z 2)) in z
0.130 * [taylor]: Taking taylor expansion of (pow z 2) in z
0.130 * [taylor]: Taking taylor expansion of z in z
0.133 * [taylor]: Taking taylor expansion of 0 in z
0.134 * [taylor]: Taking taylor expansion of (/ 1/2 (sqrt (- (pow z 2)))) in z
0.134 * [taylor]: Taking taylor expansion of 1/2 in z
0.134 * [taylor]: Taking taylor expansion of (sqrt (- (pow z 2))) in z
0.134 * [taylor]: Taking taylor expansion of (- (pow z 2)) in z
0.134 * [taylor]: Taking taylor expansion of (pow z 2) in z
0.134 * [taylor]: Taking taylor expansion of z in z
0.139 * [taylor]: Taking taylor expansion of 0 in z
0.142 * [approximate]: Taking taylor expansion of (sqrt (- (/ 1 (pow y 2)) (/ 1 (pow z 2)))) in (y z) around 0
0.142 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow y 2)) (/ 1 (pow z 2)))) in z
0.142 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2)) (/ 1 (pow z 2))) in z
0.142 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in z
0.142 * [taylor]: Taking taylor expansion of (pow y 2) in z
0.142 * [taylor]: Taking taylor expansion of y in z
0.142 * [taylor]: Taking taylor expansion of (/ 1 (pow z 2)) in z
0.142 * [taylor]: Taking taylor expansion of (pow z 2) in z
0.142 * [taylor]: Taking taylor expansion of z in z
0.144 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow y 2)) (/ 1 (pow z 2)))) in y
0.145 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2)) (/ 1 (pow z 2))) in y
0.145 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.145 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.145 * [taylor]: Taking taylor expansion of y in y
0.145 * [taylor]: Taking taylor expansion of (/ 1 (pow z 2)) in y
0.145 * [taylor]: Taking taylor expansion of (pow z 2) in y
0.145 * [taylor]: Taking taylor expansion of z in y
0.147 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow y 2)) (/ 1 (pow z 2)))) in y
0.147 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2)) (/ 1 (pow z 2))) in y
0.147 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.147 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.147 * [taylor]: Taking taylor expansion of y in y
0.148 * [taylor]: Taking taylor expansion of (/ 1 (pow z 2)) in y
0.148 * [taylor]: Taking taylor expansion of (pow z 2) in y
0.148 * [taylor]: Taking taylor expansion of z in y
0.150 * [taylor]: Taking taylor expansion of 1 in z
0.150 * [taylor]: Taking taylor expansion of 0 in z
0.152 * [taylor]: Taking taylor expansion of (/ -1/2 (pow z 2)) in z
0.152 * [taylor]: Taking taylor expansion of -1/2 in z
0.152 * [taylor]: Taking taylor expansion of (pow z 2) in z
0.152 * [taylor]: Taking taylor expansion of z in z
0.155 * [taylor]: Taking taylor expansion of 0 in z
0.156 * [approximate]: Taking taylor expansion of (sqrt (- (/ 1 (pow y 2)) (/ 1 (pow z 2)))) in (y z) around 0
0.156 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow y 2)) (/ 1 (pow z 2)))) in z
0.156 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2)) (/ 1 (pow z 2))) in z
0.156 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in z
0.156 * [taylor]: Taking taylor expansion of (pow y 2) in z
0.156 * [taylor]: Taking taylor expansion of y in z
0.156 * [taylor]: Taking taylor expansion of (/ 1 (pow z 2)) in z
0.156 * [taylor]: Taking taylor expansion of (pow z 2) in z
0.156 * [taylor]: Taking taylor expansion of z in z
0.159 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow y 2)) (/ 1 (pow z 2)))) in y
0.159 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2)) (/ 1 (pow z 2))) in y
0.159 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.159 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.159 * [taylor]: Taking taylor expansion of y in y
0.160 * [taylor]: Taking taylor expansion of (/ 1 (pow z 2)) in y
0.160 * [taylor]: Taking taylor expansion of (pow z 2) in y
0.160 * [taylor]: Taking taylor expansion of z in y
0.162 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow y 2)) (/ 1 (pow z 2)))) in y
0.162 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2)) (/ 1 (pow z 2))) in y
0.162 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.162 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.162 * [taylor]: Taking taylor expansion of y in y
0.162 * [taylor]: Taking taylor expansion of (/ 1 (pow z 2)) in y
0.162 * [taylor]: Taking taylor expansion of (pow z 2) in y
0.162 * [taylor]: Taking taylor expansion of z in y
0.164 * [taylor]: Taking taylor expansion of 1 in z
0.164 * [taylor]: Taking taylor expansion of 0 in z
0.166 * [taylor]: Taking taylor expansion of (/ -1/2 (pow z 2)) in z
0.166 * [taylor]: Taking taylor expansion of -1/2 in z
0.166 * [taylor]: Taking taylor expansion of (pow z 2) in z
0.166 * [taylor]: Taking taylor expansion of z in z
0.170 * [taylor]: Taking taylor expansion of 0 in z
0.171 * * * * [progress]: [ 2 / 2 ] generating series at (2 2 1)
0.171 * [approximate]: Taking taylor expansion of (- (pow y 2) (pow z 2)) in (y z) around 0
0.171 * [taylor]: Taking taylor expansion of (- (pow y 2) (pow z 2)) in z
0.171 * [taylor]: Taking taylor expansion of (pow y 2) in z
0.171 * [taylor]: Taking taylor expansion of y in z
0.171 * [taylor]: Taking taylor expansion of (pow z 2) in z
0.171 * [taylor]: Taking taylor expansion of z in z
0.171 * [taylor]: Taking taylor expansion of (- (pow y 2) (pow z 2)) in y
0.171 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.171 * [taylor]: Taking taylor expansion of y in y
0.171 * [taylor]: Taking taylor expansion of (pow z 2) in y
0.171 * [taylor]: Taking taylor expansion of z in y
0.171 * [taylor]: Taking taylor expansion of (- (pow y 2) (pow z 2)) in y
0.171 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.171 * [taylor]: Taking taylor expansion of y in y
0.171 * [taylor]: Taking taylor expansion of (pow z 2) in y
0.171 * [taylor]: Taking taylor expansion of z in y
0.171 * [taylor]: Taking taylor expansion of (- (pow z 2)) in z
0.171 * [taylor]: Taking taylor expansion of (pow z 2) in z
0.172 * [taylor]: Taking taylor expansion of z in z
0.172 * [taylor]: Taking taylor expansion of 0 in z
0.173 * [taylor]: Taking taylor expansion of 1 in z
0.175 * [taylor]: Taking taylor expansion of 0 in z
0.177 * [taylor]: Taking taylor expansion of 0 in z
0.177 * [approximate]: Taking taylor expansion of (- (/ 1 (pow y 2)) (/ 1 (pow z 2))) in (y z) around 0
0.177 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2)) (/ 1 (pow z 2))) in z
0.177 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in z
0.177 * [taylor]: Taking taylor expansion of (pow y 2) in z
0.177 * [taylor]: Taking taylor expansion of y in z
0.178 * [taylor]: Taking taylor expansion of (/ 1 (pow z 2)) in z
0.178 * [taylor]: Taking taylor expansion of (pow z 2) in z
0.178 * [taylor]: Taking taylor expansion of z in z
0.178 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2)) (/ 1 (pow z 2))) in y
0.178 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.178 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.178 * [taylor]: Taking taylor expansion of y in y
0.179 * [taylor]: Taking taylor expansion of (/ 1 (pow z 2)) in y
0.179 * [taylor]: Taking taylor expansion of (pow z 2) in y
0.179 * [taylor]: Taking taylor expansion of z in y
0.179 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2)) (/ 1 (pow z 2))) in y
0.179 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.179 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.179 * [taylor]: Taking taylor expansion of y in y
0.179 * [taylor]: Taking taylor expansion of (/ 1 (pow z 2)) in y
0.179 * [taylor]: Taking taylor expansion of (pow z 2) in y
0.179 * [taylor]: Taking taylor expansion of z in y
0.180 * [taylor]: Taking taylor expansion of 1 in z
0.181 * [taylor]: Taking taylor expansion of 0 in z
0.182 * [taylor]: Taking taylor expansion of (- (/ 1 (pow z 2))) in z
0.182 * [taylor]: Taking taylor expansion of (/ 1 (pow z 2)) in z
0.182 * [taylor]: Taking taylor expansion of (pow z 2) in z
0.182 * [taylor]: Taking taylor expansion of z in z
0.184 * [taylor]: Taking taylor expansion of 0 in z
0.187 * [taylor]: Taking taylor expansion of 0 in z
0.189 * [approximate]: Taking taylor expansion of (- (/ 1 (pow y 2)) (/ 1 (pow z 2))) in (y z) around 0
0.189 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2)) (/ 1 (pow z 2))) in z
0.189 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in z
0.189 * [taylor]: Taking taylor expansion of (pow y 2) in z
0.189 * [taylor]: Taking taylor expansion of y in z
0.189 * [taylor]: Taking taylor expansion of (/ 1 (pow z 2)) in z
0.189 * [taylor]: Taking taylor expansion of (pow z 2) in z
0.189 * [taylor]: Taking taylor expansion of z in z
0.189 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2)) (/ 1 (pow z 2))) in y
0.189 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.189 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.190 * [taylor]: Taking taylor expansion of y in y
0.190 * [taylor]: Taking taylor expansion of (/ 1 (pow z 2)) in y
0.190 * [taylor]: Taking taylor expansion of (pow z 2) in y
0.190 * [taylor]: Taking taylor expansion of z in y
0.190 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2)) (/ 1 (pow z 2))) in y
0.190 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.190 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.190 * [taylor]: Taking taylor expansion of y in y
0.191 * [taylor]: Taking taylor expansion of (/ 1 (pow z 2)) in y
0.191 * [taylor]: Taking taylor expansion of (pow z 2) in y
0.191 * [taylor]: Taking taylor expansion of z in y
0.191 * [taylor]: Taking taylor expansion of 1 in z
0.192 * [taylor]: Taking taylor expansion of 0 in z
0.193 * [taylor]: Taking taylor expansion of (- (/ 1 (pow z 2))) in z
0.193 * [taylor]: Taking taylor expansion of (/ 1 (pow z 2)) in z
0.193 * [taylor]: Taking taylor expansion of (pow z 2) in z
0.193 * [taylor]: Taking taylor expansion of z in z
0.200 * [taylor]: Taking taylor expansion of 0 in z
0.204 * [taylor]: Taking taylor expansion of 0 in z
0.205 * * * [progress]: simplifying candidates
0.206 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (sqrt (- (* y y) (* z z))))
  (exp (sqrt (- (* y y) (* z z))))
  (* (cbrt (sqrt (- (* y y) (* z z)))) (cbrt (sqrt (- (* y y) (* z z)))))
  (cbrt (sqrt (- (* y y) (* z z))))
  (* (* (sqrt (- (* y y) (* z z))) (sqrt (- (* y y) (* z z)))) (sqrt (- (* y y) (* z z))))
  (sqrt (* (cbrt (- (* y y) (* z z))) (cbrt (- (* y y) (* z z)))))
  (sqrt (cbrt (- (* y y) (* z z))))
  (sqrt (sqrt (- (* y y) (* z z))))
  (sqrt (sqrt (- (* y y) (* z z))))
  (sqrt 1)
  (sqrt (- (* y y) (* z z)))
  (sqrt (+ y z))
  (sqrt (- y z))
  (sqrt (- (pow (* y y) 3) (pow (* z z) 3)))
  (sqrt (+ (* (* y y) (* y y)) (+ (* (* z z) (* z z)) (* (* y y) (* z z)))))
  (sqrt (- (* (* y y) (* y y)) (* (* z z) (* z z))))
  (sqrt (+ (* y y) (* z z)))
  (/ 1 2)
  (sqrt (sqrt (- (* y y) (* z z))))
  (sqrt (sqrt (- (* y y) (* z z))))
  (/ (exp (* y y)) (exp (* z z)))
  (log (- (* y y) (* z z)))
  (exp (- (* y y) (* z z)))
  (* (cbrt (- (* y y) (* z z))) (cbrt (- (* y y) (* z z))))
  (cbrt (- (* y y) (* z z)))
  (* (* (- (* y y) (* z z)) (- (* y y) (* z z))) (- (* y y) (* z z)))
  (sqrt (- (* y y) (* z z)))
  (sqrt (- (* y y) (* z z)))
  (- (pow (* y y) 3) (pow (* z z) 3))
  (+ (* (* y y) (* y y)) (+ (* (* z z) (* z z)) (* (* y y) (* z z))))
  (- (* z z))
  (- (* (* y y) (* y y)) (* (* z z) (* z z)))
  (+ (* y y) (* z z))
  (+ y z)
  (- y z)
  (- (* z z))
  (* z (sqrt -1))
  y
  (* -1 y)
  (- (pow y 2) (pow z 2))
  (- (pow y 2) (pow z 2))
  (- (pow y 2) (pow z 2))
0.209 * * [simplify]: iteration  0 :  122  enodes  (cost  189 )
0.212 * * [simplify]: iteration  1 :  432  enodes  (cost  175 )
0.218 * * [simplify]: iteration  2 :  1459  enodes  (cost  175 )
0.247 * * [simplify]: iteration  3 :  5001  enodes  (cost  174 )
0.248 * [simplify]: Simplified to:
   (log (sqrt (- (* y y) (* z z))))
  (exp (sqrt (- (* y y) (* z z))))
  (* (cbrt (sqrt (- (* y y) (* z z)))) (cbrt (sqrt (- (* y y) (* z z)))))
  (cbrt (sqrt (- (* y y) (* z z))))
  (pow (sqrt (- (* y y) (* z z))) 3)
  (fabs (cbrt (- (* y y) (* z z))))
  (sqrt (cbrt (- (* y y) (* z z))))
  (sqrt (sqrt (- (* y y) (* z z))))
  (sqrt (sqrt (- (* y y) (* z z))))
  1
  (sqrt (- (* y y) (* z z)))
  (sqrt (+ y z))
  (sqrt (- y z))
  (sqrt (- (pow (* y y) 3) (pow (* z z) 3)))
  (sqrt (+ (* (* y y) (* y y)) (+ (* (* z z) (* z z)) (* (* y y) (* z z)))))
  (sqrt (- (* (* y y) (* y y)) (* (* z z) (* z z))))
  (sqrt (+ (* y y) (* z z)))
  1/2
  (sqrt (sqrt (- (* y y) (* z z))))
  (sqrt (sqrt (- (* y y) (* z z))))
  (exp (- (* y y) (* z z)))
  (log (- (* y y) (* z z)))
  (exp (- (* y y) (* z z)))
  (* (cbrt (- (* y y) (* z z))) (cbrt (- (* y y) (* z z))))
  (cbrt (- (* y y) (* z z)))
  (pow (- (* y y) (* z z)) 3)
  (sqrt (- (* y y) (* z z)))
  (sqrt (- (* y y) (* z z)))
  (- (pow (* y y) 3) (pow (* z z) 3))
  (+ (+ (pow y 4) (* (* y y) (* z z))) (pow z 4))
  (- (* z z))
  (+ (* (- (pow z 3)) z) (pow y 4))
  (+ (* y y) (* z z))
  (+ y z)
  (- y z)
  (- (* z z))
  (* z (sqrt -1))
  y
  (* -1 y)
  (- (* y y) (* z z))
  (- (* y y) (* z z))
  (- (* y y) (* z z))
0.248 * * * [progress]: adding candidates to table
0.325 * * [progress]: iteration 2 / 4
0.325 * * * [progress]: picking best candidate
0.331 * * * * [pick]: Picked  #<alt (λ (x y z) (* x (sqrt (* (+ y z) (- y z)))))>
0.331 * * * [progress]: localizing error
0.338 * * * [progress]: generating rewritten candidates
0.338 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2)
0.345 * * * [progress]: generating series expansions
0.345 * * * * [progress]: [ 1 / 1 ] generating series at (2 2)
0.345 * [approximate]: Taking taylor expansion of (sqrt (* (+ z y) (- y z))) in (y z) around 0
0.345 * [taylor]: Taking taylor expansion of (sqrt (* (+ z y) (- y z))) in z
0.345 * [taylor]: Taking taylor expansion of (* (+ z y) (- y z)) in z
0.345 * [taylor]: Taking taylor expansion of (+ z y) in z
0.345 * [taylor]: Taking taylor expansion of z in z
0.345 * [taylor]: Taking taylor expansion of y in z
0.345 * [taylor]: Taking taylor expansion of (- y z) in z
0.345 * [taylor]: Taking taylor expansion of y in z
0.345 * [taylor]: Taking taylor expansion of z in z
0.347 * [taylor]: Taking taylor expansion of (sqrt (* (+ z y) (- y z))) in y
0.347 * [taylor]: Taking taylor expansion of (* (+ z y) (- y z)) in y
0.347 * [taylor]: Taking taylor expansion of (+ z y) in y
0.347 * [taylor]: Taking taylor expansion of z in y
0.347 * [taylor]: Taking taylor expansion of y in y
0.347 * [taylor]: Taking taylor expansion of (- y z) in y
0.347 * [taylor]: Taking taylor expansion of y in y
0.347 * [taylor]: Taking taylor expansion of z in y
0.348 * [taylor]: Taking taylor expansion of (sqrt (* (+ z y) (- y z))) in y
0.348 * [taylor]: Taking taylor expansion of (* (+ z y) (- y z)) in y
0.348 * [taylor]: Taking taylor expansion of (+ z y) in y
0.348 * [taylor]: Taking taylor expansion of z in y
0.348 * [taylor]: Taking taylor expansion of y in y
0.348 * [taylor]: Taking taylor expansion of (- y z) in y
0.348 * [taylor]: Taking taylor expansion of y in y
0.348 * [taylor]: Taking taylor expansion of z in y
0.349 * [taylor]: Taking taylor expansion of (sqrt (* -1 (pow z 2))) in z
0.349 * [taylor]: Taking taylor expansion of (* -1 (pow z 2)) in z
0.349 * [taylor]: Taking taylor expansion of -1 in z
0.349 * [taylor]: Taking taylor expansion of (pow z 2) in z
0.349 * [taylor]: Taking taylor expansion of z in z
0.351 * [taylor]: Taking taylor expansion of 0 in z
0.356 * [taylor]: Taking taylor expansion of (/ 1/2 (sqrt (* -1 (pow z 2)))) in z
0.356 * [taylor]: Taking taylor expansion of 1/2 in z
0.356 * [taylor]: Taking taylor expansion of (sqrt (* -1 (pow z 2))) in z
0.356 * [taylor]: Taking taylor expansion of (* -1 (pow z 2)) in z
0.356 * [taylor]: Taking taylor expansion of -1 in z
0.356 * [taylor]: Taking taylor expansion of (pow z 2) in z
0.356 * [taylor]: Taking taylor expansion of z in z
0.360 * [taylor]: Taking taylor expansion of 0 in z
0.363 * [approximate]: Taking taylor expansion of (sqrt (* (- (/ 1 y) (/ 1 z)) (+ (/ 1 z) (/ 1 y)))) in (y z) around 0
0.363 * [taylor]: Taking taylor expansion of (sqrt (* (- (/ 1 y) (/ 1 z)) (+ (/ 1 z) (/ 1 y)))) in z
0.363 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 z)) (+ (/ 1 z) (/ 1 y))) in z
0.363 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 z)) in z
0.363 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.363 * [taylor]: Taking taylor expansion of y in z
0.363 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.363 * [taylor]: Taking taylor expansion of z in z
0.363 * [taylor]: Taking taylor expansion of (+ (/ 1 z) (/ 1 y)) in z
0.363 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.363 * [taylor]: Taking taylor expansion of z in z
0.364 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.364 * [taylor]: Taking taylor expansion of y in z
0.366 * [taylor]: Taking taylor expansion of (sqrt (* (- (/ 1 y) (/ 1 z)) (+ (/ 1 z) (/ 1 y)))) in y
0.366 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 z)) (+ (/ 1 z) (/ 1 y))) in y
0.366 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 z)) in y
0.366 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.366 * [taylor]: Taking taylor expansion of y in y
0.367 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.367 * [taylor]: Taking taylor expansion of z in y
0.367 * [taylor]: Taking taylor expansion of (+ (/ 1 z) (/ 1 y)) in y
0.367 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.367 * [taylor]: Taking taylor expansion of z in y
0.367 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.367 * [taylor]: Taking taylor expansion of y in y
0.369 * [taylor]: Taking taylor expansion of (sqrt (* (- (/ 1 y) (/ 1 z)) (+ (/ 1 z) (/ 1 y)))) in y
0.369 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 z)) (+ (/ 1 z) (/ 1 y))) in y
0.369 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 z)) in y
0.369 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.369 * [taylor]: Taking taylor expansion of y in y
0.370 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.370 * [taylor]: Taking taylor expansion of z in y
0.370 * [taylor]: Taking taylor expansion of (+ (/ 1 z) (/ 1 y)) in y
0.370 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.370 * [taylor]: Taking taylor expansion of z in y
0.370 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.370 * [taylor]: Taking taylor expansion of y in y
0.372 * [taylor]: Taking taylor expansion of 1 in z
0.372 * [taylor]: Taking taylor expansion of 0 in z
0.376 * [taylor]: Taking taylor expansion of (/ -1/2 (pow z 2)) in z
0.376 * [taylor]: Taking taylor expansion of -1/2 in z
0.376 * [taylor]: Taking taylor expansion of (pow z 2) in z
0.376 * [taylor]: Taking taylor expansion of z in z
0.380 * [taylor]: Taking taylor expansion of 0 in z
0.381 * [approximate]: Taking taylor expansion of (sqrt (* -1 (* (+ (/ 1 z) (/ 1 y)) (- (/ 1 z) (/ 1 y))))) in (y z) around 0
0.381 * [taylor]: Taking taylor expansion of (sqrt (* -1 (* (+ (/ 1 z) (/ 1 y)) (- (/ 1 z) (/ 1 y))))) in z
0.381 * [taylor]: Taking taylor expansion of (* -1 (* (+ (/ 1 z) (/ 1 y)) (- (/ 1 z) (/ 1 y)))) in z
0.381 * [taylor]: Taking taylor expansion of -1 in z
0.381 * [taylor]: Taking taylor expansion of (* (+ (/ 1 z) (/ 1 y)) (- (/ 1 z) (/ 1 y))) in z
0.381 * [taylor]: Taking taylor expansion of (+ (/ 1 z) (/ 1 y)) in z
0.381 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.381 * [taylor]: Taking taylor expansion of z in z
0.382 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.382 * [taylor]: Taking taylor expansion of y in z
0.382 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 y)) in z
0.382 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.382 * [taylor]: Taking taylor expansion of z in z
0.382 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.382 * [taylor]: Taking taylor expansion of y in z
0.385 * [taylor]: Taking taylor expansion of (sqrt (* -1 (* (+ (/ 1 z) (/ 1 y)) (- (/ 1 z) (/ 1 y))))) in y
0.385 * [taylor]: Taking taylor expansion of (* -1 (* (+ (/ 1 z) (/ 1 y)) (- (/ 1 z) (/ 1 y)))) in y
0.385 * [taylor]: Taking taylor expansion of -1 in y
0.385 * [taylor]: Taking taylor expansion of (* (+ (/ 1 z) (/ 1 y)) (- (/ 1 z) (/ 1 y))) in y
0.385 * [taylor]: Taking taylor expansion of (+ (/ 1 z) (/ 1 y)) in y
0.385 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.385 * [taylor]: Taking taylor expansion of z in y
0.385 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.385 * [taylor]: Taking taylor expansion of y in y
0.385 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 y)) in y
0.386 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.386 * [taylor]: Taking taylor expansion of z in y
0.386 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.386 * [taylor]: Taking taylor expansion of y in y
0.389 * [taylor]: Taking taylor expansion of (sqrt (* -1 (* (+ (/ 1 z) (/ 1 y)) (- (/ 1 z) (/ 1 y))))) in y
0.389 * [taylor]: Taking taylor expansion of (* -1 (* (+ (/ 1 z) (/ 1 y)) (- (/ 1 z) (/ 1 y)))) in y
0.389 * [taylor]: Taking taylor expansion of -1 in y
0.389 * [taylor]: Taking taylor expansion of (* (+ (/ 1 z) (/ 1 y)) (- (/ 1 z) (/ 1 y))) in y
0.389 * [taylor]: Taking taylor expansion of (+ (/ 1 z) (/ 1 y)) in y
0.389 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.389 * [taylor]: Taking taylor expansion of z in y
0.389 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.389 * [taylor]: Taking taylor expansion of y in y
0.389 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 y)) in y
0.389 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.390 * [taylor]: Taking taylor expansion of z in y
0.390 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.390 * [taylor]: Taking taylor expansion of y in y
0.393 * [taylor]: Taking taylor expansion of 1 in z
0.393 * [taylor]: Taking taylor expansion of 0 in z
0.397 * [taylor]: Taking taylor expansion of (/ -1/2 (pow z 2)) in z
0.397 * [taylor]: Taking taylor expansion of -1/2 in z
0.397 * [taylor]: Taking taylor expansion of (pow z 2) in z
0.397 * [taylor]: Taking taylor expansion of z in z
0.402 * [taylor]: Taking taylor expansion of 0 in z
0.403 * * * [progress]: simplifying candidates
0.403 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (sqrt (* (+ y z) (- y z))))
  (exp (sqrt (* (+ y z) (- y z))))
  (* (cbrt (sqrt (* (+ y z) (- y z)))) (cbrt (sqrt (* (+ y z) (- y z)))))
  (cbrt (sqrt (* (+ y z) (- y z))))
  (* (* (sqrt (* (+ y z) (- y z))) (sqrt (* (+ y z) (- y z)))) (sqrt (* (+ y z) (- y z))))
  (sqrt (+ y z))
  (sqrt (- y z))
  (sqrt (* (+ (pow y 3) (pow z 3)) (- (pow y 3) (pow z 3))))
  (sqrt (* (+ (* y y) (- (* z z) (* y z))) (+ (* y y) (+ (* z z) (* y z)))))
  (sqrt (* (+ (pow y 3) (pow z 3)) (- (* y y) (* z z))))
  (sqrt (* (+ (* y y) (- (* z z) (* y z))) (+ y z)))
  (sqrt (* (- (* y y) (* z z)) (- (pow y 3) (pow z 3))))
  (sqrt (* (- y z) (+ (* y y) (+ (* z z) (* y z)))))
  (sqrt (* (- (* y y) (* z z)) (- (* y y) (* z z))))
  (sqrt (* (- y z) (+ y z)))
  (sqrt (* (+ y z) (- (pow y 3) (pow z 3))))
  (sqrt (+ (* y y) (+ (* z z) (* y z))))
  (sqrt (* (+ y z) (- (* y y) (* z z))))
  (sqrt (+ y z))
  (sqrt (* (+ (pow y 3) (pow z 3)) (- y z)))
  (sqrt (+ (* y y) (- (* z z) (* y z))))
  (sqrt (* (- (* y y) (* z z)) (- y z)))
  (sqrt (- y z))
  (/ 1 2)
  (/ 1 2)
  (sqrt (sqrt (* (+ y z) (- y z))))
  (sqrt (sqrt (* (+ y z) (- y z))))
  (* z (sqrt -1))
  y
  (* -1 y)
0.406 * * [simplify]: iteration  0 :  131  enodes  (cost  151 )
0.409 * * [simplify]: iteration  1 :  516  enodes  (cost  148 )
0.419 * * [simplify]: iteration  2 :  2234  enodes  (cost  148 )
0.458 * * [simplify]: iteration  3 :  5002  enodes  (cost  148 )
0.459 * [simplify]: Simplified to:
   (log (sqrt (* (+ y z) (- y z))))
  (exp (sqrt (* (+ y z) (- y z))))
  (* (cbrt (sqrt (* (+ y z) (- y z)))) (cbrt (sqrt (* (+ y z) (- y z)))))
  (cbrt (sqrt (* (+ y z) (- y z))))
  (pow (sqrt (* (- y z) (+ y z))) 3)
  (sqrt (+ y z))
  (sqrt (- y z))
  (sqrt (* (+ (pow y 3) (pow z 3)) (- (pow y 3) (pow z 3))))
  (sqrt (* (+ (* y y) (- (* z z) (* y z))) (+ (* y y) (+ (* z z) (* y z)))))
  (sqrt (* (+ (pow y 3) (pow z 3)) (- (* y y) (* z z))))
  (sqrt (* (+ (* y y) (- (* z z) (* y z))) (+ y z)))
  (sqrt (* (- (* y y) (* z z)) (- (pow y 3) (pow z 3))))
  (sqrt (* (- y z) (+ (* y y) (+ (* z z) (* y z)))))
  (fabs (- (* y y) (* z z)))
  (sqrt (* (- y z) (+ y z)))
  (sqrt (* (+ y z) (- (pow y 3) (pow z 3))))
  (sqrt (+ (* y y) (+ (* z z) (* y z))))
  (sqrt (* (+ y z) (- (* y y) (* z z))))
  (sqrt (+ y z))
  (sqrt (* (+ (pow y 3) (pow z 3)) (- y z)))
  (sqrt (+ (* y y) (- (* z z) (* y z))))
  (sqrt (* (- (* y y) (* z z)) (- y z)))
  (sqrt (- y z))
  1/2
  1/2
  (sqrt (sqrt (* (+ y z) (- y z))))
  (sqrt (sqrt (* (+ y z) (- y z))))
  (* z (sqrt -1))
  y
  (* -1 y)
0.459 * * * [progress]: adding candidates to table
0.518 * * [progress]: iteration 3 / 4
0.518 * * * [progress]: picking best candidate
0.522 * * * * [pick]: Picked  #<alt (λ (x y z) (* x y))>
0.522 * * * [progress]: localizing error
0.524 * * * [progress]: generating rewritten candidates
0.524 * * * [progress]: generating series expansions
0.524 * * * [progress]: simplifying candidates
0.525 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.527 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.527 * [simplify]: Simplified to:
   
0.527 * * * [progress]: adding candidates to table
0.527 * * [progress]: iteration 4 / 4
0.527 * * * [progress]: picking best candidate
0.530 * * * * [pick]: Picked  #<alt (λ (x y z) (* x (* -1 y)))>
0.531 * * * [progress]: localizing error
0.534 * * * [progress]: generating rewritten candidates
0.534 * * * [progress]: generating series expansions
0.534 * * * [progress]: simplifying candidates
0.534 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.536 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.536 * [simplify]: Simplified to:
   
0.536 * * * [progress]: adding candidates to table
0.537 * [progress]: [Phase 3 of 3] Extracting.
0.537 * * [regime]: Finding splitpoints for: (#<alt (λ (x y z) (* x y))> #<alt (λ (x y z) (* x (sqrt (* (+ y z) (- y z)))))> #<alt (λ (x y z) (* x (* (sqrt (+ y z)) (sqrt (- y z)))))> #<alt (λ (x y z) (* x (* -1 y)))>)
0.537 * * * [regime-changes]: Trying 3 branch expressions: (z y x)
0.537 * * * * [regimes]: Trying to branch on z from (#<alt (λ (x y z) (* x y))> #<alt (λ (x y z) (* x (sqrt (* (+ y z) (- y z)))))> #<alt (λ (x y z) (* x (* (sqrt (+ y z)) (sqrt (- y z)))))> #<alt (λ (x y z) (* x (* -1 y)))>)
0.577 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y z) (* x y))> #<alt (λ (x y z) (* x (sqrt (* (+ y z) (- y z)))))> #<alt (λ (x y z) (* x (* (sqrt (+ y z)) (sqrt (- y z)))))> #<alt (λ (x y z) (* x (* -1 y)))>)
0.599 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y z) (* x y))> #<alt (λ (x y z) (* x (sqrt (* (+ y z) (- y z)))))> #<alt (λ (x y z) (* x (* (sqrt (+ y z)) (sqrt (- y z)))))> #<alt (λ (x y z) (* x (* -1 y)))>)
0.655 * * * [regime]: Found split indices: #<option (#s(si 3 127) #s(si 0 255))>
0.656 * [binary-search]: Improving bounds with binary search for y and (#<alt (λ (x y z) (* x y))> #<alt (λ (x y z) (* x (sqrt (* (+ y z) (- y z)))))> #<alt (λ (x y z) (* x (* (sqrt (+ y z)) (sqrt (- y z)))))> #<alt (λ (x y z) (* x (* -1 y)))>)
0.756 * [regimes]: Found splitpoints: (#s(sp 3 y -4.172866582314813e-249) #s(sp 0 y +nan.0)) , with alts (#<alt (λ (x y z) (* x y))> #<alt (λ (x y z) (* x (sqrt (* (+ y z) (- y z)))))> #<alt (λ (x y z) (* x (* (sqrt (+ y z)) (sqrt (- y z)))))> #<alt (λ (x y z) (* x (* -1 y)))>)
0.758 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (if (<= y -4.172866582314813e-249) (* x (* -1 y)) (* x y))
0.759 * * [simplify]: iteration  0 :  13  enodes  (cost  3 )
0.759 * * [simplify]: iteration  1 :  14  enodes  (cost  3 )
0.760 * * [simplify]: iteration  2 :  17  enodes  (cost  3 )
0.760 * * [simplify]: iteration  3 :  17  enodes  (cost  3 )
0.760 * [simplify]: Simplified to:
   (if (<= y -4.172866582314813e-249) (* x (* -1 y)) (* x y))
1.837 * [regime-testing]: Baseline error score: 25.26572961220828
1.838 * [regime-testing]: Oracle error score: 0.14656121734005187
1.839 * [regime-testing]: End program error score: 0.8436621822631596
1.880 * [regime-testing]: Target error score: 0.5654201153408683