23.944 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.070 * * * [progress]: [2/2] Setting up program.
0.073 * [progress]: [Phase 2 of 3] Improving.
0.073 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (sin (pow (sqrt (atan2 b b)) (- b a)))
0.074 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.075 * * [simplify]: iteration  1 :  13  enodes  (cost  9 )
0.076 * * [simplify]: iteration  2 :  22  enodes  (cost  9 )
0.080 * * [simplify]: iteration  3 :  45  enodes  (cost  9 )
0.086 * * [simplify]: iteration  4 :  110  enodes  (cost  9 )
0.113 * * [simplify]: iteration  5 :  255  enodes  (cost  9 )
0.207 * * [simplify]: iteration  6 :  920  enodes  (cost  9 )
1.052 * * [simplify]: iteration  7 :  3707  enodes  (cost  9 )
3.136 * * [simplify]: iteration  done :  5000  enodes  (cost  9 )
3.136 * [simplify]: Simplified to:
   (sin (pow (sqrt (atan2 b b)) (- b a)))
3.137 * * [progress]: iteration 1 / 4
3.137 * * * [progress]: picking best candidate
3.140 * * * * [pick]: Picked  #<alt (λ (a b) (sin (pow (sqrt (atan2 b b)) (- b a))))>
3.140 * * * [progress]: localizing error
3.148 * * * [progress]: generating rewritten candidates
3.148 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1 1)
3.149 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
3.156 * * * [progress]: generating series expansions
3.156 * * * * [progress]: [ 1 / 2 ] generating series at (2 1 1)
3.156 * [approximate]: Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0
3.156 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
3.156 * [taylor]: Taking taylor expansion of (atan2 b b) in b
3.156 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
3.156 * [taylor]: Taking taylor expansion of (atan2 b b) in b
3.159 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0
3.159 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
3.159 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
3.160 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
3.160 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
3.163 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in (b) around 0
3.163 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
3.163 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
3.163 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
3.163 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
3.166 * * * * [progress]: [ 2 / 2 ] generating series at (2)
3.166 * [approximate]: Taking taylor expansion of (sin (pow (sqrt (atan2 b b)) (- b a))) in (b a) around 0
3.166 * [taylor]: Taking taylor expansion of (sin (pow (sqrt (atan2 b b)) (- b a))) in a
3.166 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 b b)) (- b a)) in a
3.166 * [taylor]: Taking taylor expansion of (exp (* (- b a) (log (sqrt (atan2 b b))))) in a
3.166 * [taylor]: Taking taylor expansion of (* (- b a) (log (sqrt (atan2 b b)))) in a
3.166 * [taylor]: Taking taylor expansion of (- b a) in a
3.166 * [taylor]: Taking taylor expansion of b in a
3.166 * [taylor]: Taking taylor expansion of a in a
3.166 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in a
3.166 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in a
3.166 * [taylor]: Taking taylor expansion of (atan2 b b) in a
3.167 * [taylor]: Taking taylor expansion of (sin (pow (sqrt (atan2 b b)) (- b a))) in b
3.167 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 b b)) (- b a)) in b
3.167 * [taylor]: Taking taylor expansion of (exp (* (- b a) (log (sqrt (atan2 b b))))) in b
3.167 * [taylor]: Taking taylor expansion of (* (- b a) (log (sqrt (atan2 b b)))) in b
3.167 * [taylor]: Taking taylor expansion of (- b a) in b
3.167 * [taylor]: Taking taylor expansion of b in b
3.167 * [taylor]: Taking taylor expansion of a in b
3.167 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in b
3.167 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
3.167 * [taylor]: Taking taylor expansion of (atan2 b b) in b
3.168 * [taylor]: Taking taylor expansion of (sin (pow (sqrt (atan2 b b)) (- b a))) in b
3.168 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 b b)) (- b a)) in b
3.168 * [taylor]: Taking taylor expansion of (exp (* (- b a) (log (sqrt (atan2 b b))))) in b
3.168 * [taylor]: Taking taylor expansion of (* (- b a) (log (sqrt (atan2 b b)))) in b
3.168 * [taylor]: Taking taylor expansion of (- b a) in b
3.168 * [taylor]: Taking taylor expansion of b in b
3.168 * [taylor]: Taking taylor expansion of a in b
3.168 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in b
3.168 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
3.168 * [taylor]: Taking taylor expansion of (atan2 b b) in b
3.169 * [taylor]: Taking taylor expansion of (sin (exp (* -1 (* a (log (sqrt (atan2 b b))))))) in a
3.169 * [taylor]: Taking taylor expansion of (exp (* -1 (* a (log (sqrt (atan2 b b)))))) in a
3.169 * [taylor]: Taking taylor expansion of (* -1 (* a (log (sqrt (atan2 b b))))) in a
3.169 * [taylor]: Taking taylor expansion of -1 in a
3.169 * [taylor]: Taking taylor expansion of (* a (log (sqrt (atan2 b b)))) in a
3.169 * [taylor]: Taking taylor expansion of a in a
3.169 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in a
3.169 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in a
3.169 * [taylor]: Taking taylor expansion of (atan2 b b) in a
3.176 * [taylor]: Taking taylor expansion of (* (cos (exp (* -1 (* a (log (sqrt (atan2 b b))))))) (* (exp (* -1 (* a (log (sqrt (atan2 b b)))))) (log (sqrt (atan2 b b))))) in a
3.176 * [taylor]: Taking taylor expansion of (cos (exp (* -1 (* a (log (sqrt (atan2 b b))))))) in a
3.176 * [taylor]: Taking taylor expansion of (exp (* -1 (* a (log (sqrt (atan2 b b)))))) in a
3.176 * [taylor]: Taking taylor expansion of (* -1 (* a (log (sqrt (atan2 b b))))) in a
3.176 * [taylor]: Taking taylor expansion of -1 in a
3.176 * [taylor]: Taking taylor expansion of (* a (log (sqrt (atan2 b b)))) in a
3.176 * [taylor]: Taking taylor expansion of a in a
3.176 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in a
3.176 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in a
3.176 * [taylor]: Taking taylor expansion of (atan2 b b) in a
3.178 * [taylor]: Taking taylor expansion of (* (exp (* -1 (* a (log (sqrt (atan2 b b)))))) (log (sqrt (atan2 b b)))) in a
3.178 * [taylor]: Taking taylor expansion of (exp (* -1 (* a (log (sqrt (atan2 b b)))))) in a
3.178 * [taylor]: Taking taylor expansion of (* -1 (* a (log (sqrt (atan2 b b))))) in a
3.178 * [taylor]: Taking taylor expansion of -1 in a
3.178 * [taylor]: Taking taylor expansion of (* a (log (sqrt (atan2 b b)))) in a
3.178 * [taylor]: Taking taylor expansion of a in a
3.178 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in a
3.178 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in a
3.178 * [taylor]: Taking taylor expansion of (atan2 b b) in a
3.180 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in a
3.180 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in a
3.180 * [taylor]: Taking taylor expansion of (atan2 b b) in a
3.185 * [approximate]: Taking taylor expansion of (sin (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- (/ 1 b) (/ 1 a)))) in (b a) around 0
3.186 * [taylor]: Taking taylor expansion of (sin (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- (/ 1 b) (/ 1 a)))) in a
3.186 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- (/ 1 b) (/ 1 a))) in a
3.186 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b)))))) in a
3.186 * [taylor]: Taking taylor expansion of (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b))))) in a
3.186 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in a
3.186 * [taylor]: Taking taylor expansion of (/ 1 b) in a
3.186 * [taylor]: Taking taylor expansion of b in a
3.186 * [taylor]: Taking taylor expansion of (/ 1 a) in a
3.186 * [taylor]: Taking taylor expansion of a in a
3.186 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) in a
3.186 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in a
3.186 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in a
3.187 * [taylor]: Taking taylor expansion of (sin (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- (/ 1 b) (/ 1 a)))) in b
3.187 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- (/ 1 b) (/ 1 a))) in b
3.187 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b)))))) in b
3.187 * [taylor]: Taking taylor expansion of (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b))))) in b
3.187 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in b
3.187 * [taylor]: Taking taylor expansion of (/ 1 b) in b
3.187 * [taylor]: Taking taylor expansion of b in b
3.188 * [taylor]: Taking taylor expansion of (/ 1 a) in b
3.188 * [taylor]: Taking taylor expansion of a in b
3.188 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) in b
3.188 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
3.188 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
3.193 * [taylor]: Taking taylor expansion of (sin (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- (/ 1 b) (/ 1 a)))) in b
3.193 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- (/ 1 b) (/ 1 a))) in b
3.193 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b)))))) in b
3.193 * [taylor]: Taking taylor expansion of (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b))))) in b
3.193 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in b
3.193 * [taylor]: Taking taylor expansion of (/ 1 b) in b
3.193 * [taylor]: Taking taylor expansion of b in b
3.193 * [taylor]: Taking taylor expansion of (/ 1 a) in b
3.193 * [taylor]: Taking taylor expansion of a in b
3.193 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) in b
3.193 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
3.193 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
3.195 * [taylor]: Taking taylor expansion of (sin (exp (* (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) (- (/ 1 b) (/ 1 a))))) in a
3.195 * [taylor]: Taking taylor expansion of (exp (* (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) (- (/ 1 b) (/ 1 a)))) in a
3.195 * [taylor]: Taking taylor expansion of (* (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) (- (/ 1 b) (/ 1 a))) in a
3.195 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) in a
3.195 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in a
3.195 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in a
3.195 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in a
3.195 * [taylor]: Taking taylor expansion of (/ 1 b) in a
3.195 * [taylor]: Taking taylor expansion of b in a
3.196 * [taylor]: Taking taylor expansion of (/ 1 a) in a
3.196 * [taylor]: Taking taylor expansion of a in a
3.199 * [taylor]: Taking taylor expansion of 0 in a
3.203 * [taylor]: Taking taylor expansion of 0 in a
3.208 * [taylor]: Taking taylor expansion of 0 in a
3.209 * [approximate]: Taking taylor expansion of (sin (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b)))) in (b a) around 0
3.209 * [taylor]: Taking taylor expansion of (sin (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b)))) in a
3.209 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b))) in a
3.209 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b)))))) in a
3.209 * [taylor]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b))))) in a
3.209 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in a
3.209 * [taylor]: Taking taylor expansion of (/ 1 a) in a
3.209 * [taylor]: Taking taylor expansion of a in a
3.209 * [taylor]: Taking taylor expansion of (/ 1 b) in a
3.209 * [taylor]: Taking taylor expansion of b in a
3.209 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ -1 b) (/ -1 b)))) in a
3.209 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in a
3.209 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in a
3.210 * [taylor]: Taking taylor expansion of (sin (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b)))) in b
3.210 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b))) in b
3.210 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b)))))) in b
3.210 * [taylor]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b))))) in b
3.210 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in b
3.210 * [taylor]: Taking taylor expansion of (/ 1 a) in b
3.210 * [taylor]: Taking taylor expansion of a in b
3.210 * [taylor]: Taking taylor expansion of (/ 1 b) in b
3.210 * [taylor]: Taking taylor expansion of b in b
3.211 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ -1 b) (/ -1 b)))) in b
3.211 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
3.211 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
3.212 * [taylor]: Taking taylor expansion of (sin (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b)))) in b
3.212 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b))) in b
3.212 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b)))))) in b
3.212 * [taylor]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b))))) in b
3.212 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in b
3.212 * [taylor]: Taking taylor expansion of (/ 1 a) in b
3.212 * [taylor]: Taking taylor expansion of a in b
3.212 * [taylor]: Taking taylor expansion of (/ 1 b) in b
3.212 * [taylor]: Taking taylor expansion of b in b
3.212 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ -1 b) (/ -1 b)))) in b
3.212 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
3.212 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
3.214 * [taylor]: Taking taylor expansion of (sin (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b)))) in a
3.214 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b))) in a
3.214 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b)))))) in a
3.214 * [taylor]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b))))) in a
3.214 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in a
3.214 * [taylor]: Taking taylor expansion of (/ 1 a) in a
3.214 * [taylor]: Taking taylor expansion of a in a
3.215 * [taylor]: Taking taylor expansion of (/ 1 b) in a
3.215 * [taylor]: Taking taylor expansion of b in a
3.215 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ -1 b) (/ -1 b)))) in a
3.215 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in a
3.215 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in a
3.218 * [taylor]: Taking taylor expansion of 0 in a
3.222 * [taylor]: Taking taylor expansion of 0 in a
3.227 * [taylor]: Taking taylor expansion of 0 in a
3.227 * * * [progress]: simplifying candidates
3.228 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (sqrt (atan2 b b)))
  (log1p (sqrt (atan2 b b)))
  (log (sqrt (atan2 b b)))
  (exp (sqrt (atan2 b b)))
  (* (cbrt (sqrt (atan2 b b))) (cbrt (sqrt (atan2 b b))))
  (cbrt (sqrt (atan2 b b)))
  (* (* (sqrt (atan2 b b)) (sqrt (atan2 b b))) (sqrt (atan2 b b)))
  (sqrt (* (cbrt (atan2 b b)) (cbrt (atan2 b b))))
  (sqrt (cbrt (atan2 b b)))
  (sqrt (sqrt (atan2 b b)))
  (sqrt (sqrt (atan2 b b)))
  (sqrt 1)
  (sqrt (atan2 b b))
  (/ 1 2)
  (sqrt (sqrt (atan2 b b)))
  (sqrt (sqrt (atan2 b b)))
  (expm1 (sin (pow (sqrt (atan2 b b)) (- b a))))
  (log1p (sin (pow (sqrt (atan2 b b)) (- b a))))
  (log (sin (pow (sqrt (atan2 b b)) (- b a))))
  (exp (sin (pow (sqrt (atan2 b b)) (- b a))))
  (* (cbrt (sin (pow (sqrt (atan2 b b)) (- b a)))) (cbrt (sin (pow (sqrt (atan2 b b)) (- b a)))))
  (cbrt (sin (pow (sqrt (atan2 b b)) (- b a))))
  (* (* (sin (pow (sqrt (atan2 b b)) (- b a))) (sin (pow (sqrt (atan2 b b)) (- b a)))) (sin (pow (sqrt (atan2 b b)) (- b a))))
  (sqrt (sin (pow (sqrt (atan2 b b)) (- b a))))
  (sqrt (sin (pow (sqrt (atan2 b b)) (- b a))))
  (sqrt (atan2 b b))
  (sqrt (atan2 b b))
  (sqrt (atan2 b b))
  (- (+ (* (cos 1) (* b (log (sqrt (atan2 b b))))) (sin 1)) (* a (* (cos 1) (log (sqrt (atan2 b b))))))
  (sin (pow (sqrt (atan2 b b)) (- b a)))
  (sin (pow (sqrt (atan2 b b)) (- b a)))
3.230 * * [simplify]: iteration  0 :  41  enodes  (cost  268 )
3.236 * * [simplify]: iteration  1 :  66  enodes  (cost  253 )
3.244 * * [simplify]: iteration  2 :  110  enodes  (cost  233 )
3.262 * * [simplify]: iteration  3 :  197  enodes  (cost  225 )
3.291 * * [simplify]: iteration  4 :  346  enodes  (cost  224 )
3.361 * * [simplify]: iteration  5 :  593  enodes  (cost  224 )
3.534 * * [simplify]: iteration  6 :  1452  enodes  (cost  224 )
4.676 * * [simplify]: iteration  7 :  4891  enodes  (cost  224 )
6.840 * * [simplify]: iteration  done :  5000  enodes  (cost  224 )
6.840 * [simplify]: Simplified to:
   (expm1 (sqrt (atan2 b b)))
  (log1p (sqrt (atan2 b b)))
  (log (sqrt (atan2 b b)))
  (exp (sqrt (atan2 b b)))
  (* (cbrt (sqrt (atan2 b b))) (cbrt (sqrt (atan2 b b))))
  (cbrt (sqrt (atan2 b b)))
  (pow (sqrt (atan2 b b)) 3)
  (fabs (cbrt (atan2 b b)))
  (sqrt (cbrt (atan2 b b)))
  (sqrt (sqrt (atan2 b b)))
  (sqrt (sqrt (atan2 b b)))
  1
  (sqrt (atan2 b b))
  1/2
  (sqrt (sqrt (atan2 b b)))
  (sqrt (sqrt (atan2 b b)))
  (expm1 (sin (pow (sqrt (atan2 b b)) (- b a))))
  (log1p (sin (pow (sqrt (atan2 b b)) (- b a))))
  (log (sin (pow (sqrt (atan2 b b)) (- b a))))
  (exp (sin (pow (sqrt (atan2 b b)) (- b a))))
  (* (cbrt (sin (pow (sqrt (atan2 b b)) (- b a)))) (cbrt (sin (pow (sqrt (atan2 b b)) (- b a)))))
  (cbrt (sin (pow (sqrt (atan2 b b)) (- b a))))
  (pow (sin (pow (sqrt (atan2 b b)) (- b a))) 3)
  (sqrt (sin (pow (sqrt (atan2 b b)) (- b a))))
  (sqrt (sin (pow (sqrt (atan2 b b)) (- b a))))
  (sqrt (atan2 b b))
  (sqrt (atan2 b b))
  (sqrt (atan2 b b))
  (fma (* (cos 1) (log (sqrt (atan2 b b)))) (- b a) (sin 1))
  (sin (pow (sqrt (atan2 b b)) (- b a)))
  (sin (pow (sqrt (atan2 b b)) (- b a)))
6.840 * * * [progress]: adding candidates to table
6.917 * * [progress]: iteration 2 / 4
6.917 * * * [progress]: picking best candidate
6.919 * * * * [pick]: Picked  #<alt (λ (a b) (expm1 (log1p (sin (pow (sqrt (atan2 b b)) (- b a))))))>
6.919 * * * [progress]: localizing error
6.931 * * * [progress]: generating rewritten candidates
6.931 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1 1 1 1)
6.932 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1 1)
6.938 * * * [progress]: generating series expansions
6.938 * * * * [progress]: [ 1 / 2 ] generating series at (2 1 1 1 1)
6.938 * [approximate]: Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0
6.938 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
6.938 * [taylor]: Taking taylor expansion of (atan2 b b) in b
6.939 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
6.939 * [taylor]: Taking taylor expansion of (atan2 b b) in b
6.942 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0
6.942 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
6.942 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
6.942 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
6.942 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
6.945 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in (b) around 0
6.945 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
6.945 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
6.945 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
6.945 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
6.948 * * * * [progress]: [ 2 / 2 ] generating series at (2 1 1)
6.949 * [approximate]: Taking taylor expansion of (sin (pow (sqrt (atan2 b b)) (- b a))) in (b a) around 0
6.949 * [taylor]: Taking taylor expansion of (sin (pow (sqrt (atan2 b b)) (- b a))) in a
6.949 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 b b)) (- b a)) in a
6.949 * [taylor]: Taking taylor expansion of (exp (* (- b a) (log (sqrt (atan2 b b))))) in a
6.949 * [taylor]: Taking taylor expansion of (* (- b a) (log (sqrt (atan2 b b)))) in a
6.949 * [taylor]: Taking taylor expansion of (- b a) in a
6.949 * [taylor]: Taking taylor expansion of b in a
6.949 * [taylor]: Taking taylor expansion of a in a
6.949 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in a
6.949 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in a
6.949 * [taylor]: Taking taylor expansion of (atan2 b b) in a
6.949 * [taylor]: Taking taylor expansion of (sin (pow (sqrt (atan2 b b)) (- b a))) in b
6.949 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 b b)) (- b a)) in b
6.949 * [taylor]: Taking taylor expansion of (exp (* (- b a) (log (sqrt (atan2 b b))))) in b
6.950 * [taylor]: Taking taylor expansion of (* (- b a) (log (sqrt (atan2 b b)))) in b
6.950 * [taylor]: Taking taylor expansion of (- b a) in b
6.950 * [taylor]: Taking taylor expansion of b in b
6.950 * [taylor]: Taking taylor expansion of a in b
6.950 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in b
6.950 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
6.950 * [taylor]: Taking taylor expansion of (atan2 b b) in b
6.950 * [taylor]: Taking taylor expansion of (sin (pow (sqrt (atan2 b b)) (- b a))) in b
6.950 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 b b)) (- b a)) in b
6.950 * [taylor]: Taking taylor expansion of (exp (* (- b a) (log (sqrt (atan2 b b))))) in b
6.950 * [taylor]: Taking taylor expansion of (* (- b a) (log (sqrt (atan2 b b)))) in b
6.950 * [taylor]: Taking taylor expansion of (- b a) in b
6.950 * [taylor]: Taking taylor expansion of b in b
6.950 * [taylor]: Taking taylor expansion of a in b
6.950 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in b
6.950 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
6.950 * [taylor]: Taking taylor expansion of (atan2 b b) in b
6.951 * [taylor]: Taking taylor expansion of (sin (exp (* -1 (* a (log (sqrt (atan2 b b))))))) in a
6.951 * [taylor]: Taking taylor expansion of (exp (* -1 (* a (log (sqrt (atan2 b b)))))) in a
6.951 * [taylor]: Taking taylor expansion of (* -1 (* a (log (sqrt (atan2 b b))))) in a
6.951 * [taylor]: Taking taylor expansion of -1 in a
6.951 * [taylor]: Taking taylor expansion of (* a (log (sqrt (atan2 b b)))) in a
6.951 * [taylor]: Taking taylor expansion of a in a
6.951 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in a
6.951 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in a
6.951 * [taylor]: Taking taylor expansion of (atan2 b b) in a
6.958 * [taylor]: Taking taylor expansion of (* (cos (exp (* -1 (* a (log (sqrt (atan2 b b))))))) (* (exp (* -1 (* a (log (sqrt (atan2 b b)))))) (log (sqrt (atan2 b b))))) in a
6.958 * [taylor]: Taking taylor expansion of (cos (exp (* -1 (* a (log (sqrt (atan2 b b))))))) in a
6.958 * [taylor]: Taking taylor expansion of (exp (* -1 (* a (log (sqrt (atan2 b b)))))) in a
6.958 * [taylor]: Taking taylor expansion of (* -1 (* a (log (sqrt (atan2 b b))))) in a
6.958 * [taylor]: Taking taylor expansion of -1 in a
6.958 * [taylor]: Taking taylor expansion of (* a (log (sqrt (atan2 b b)))) in a
6.958 * [taylor]: Taking taylor expansion of a in a
6.958 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in a
6.958 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in a
6.958 * [taylor]: Taking taylor expansion of (atan2 b b) in a
6.960 * [taylor]: Taking taylor expansion of (* (exp (* -1 (* a (log (sqrt (atan2 b b)))))) (log (sqrt (atan2 b b)))) in a
6.960 * [taylor]: Taking taylor expansion of (exp (* -1 (* a (log (sqrt (atan2 b b)))))) in a
6.960 * [taylor]: Taking taylor expansion of (* -1 (* a (log (sqrt (atan2 b b))))) in a
6.963 * [taylor]: Taking taylor expansion of -1 in a
6.963 * [taylor]: Taking taylor expansion of (* a (log (sqrt (atan2 b b)))) in a
6.963 * [taylor]: Taking taylor expansion of a in a
6.963 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in a
6.963 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in a
6.963 * [taylor]: Taking taylor expansion of (atan2 b b) in a
6.965 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in a
6.965 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in a
6.965 * [taylor]: Taking taylor expansion of (atan2 b b) in a
6.970 * [approximate]: Taking taylor expansion of (sin (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- (/ 1 b) (/ 1 a)))) in (b a) around 0
6.970 * [taylor]: Taking taylor expansion of (sin (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- (/ 1 b) (/ 1 a)))) in a
6.970 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- (/ 1 b) (/ 1 a))) in a
6.970 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b)))))) in a
6.970 * [taylor]: Taking taylor expansion of (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b))))) in a
6.970 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in a
6.970 * [taylor]: Taking taylor expansion of (/ 1 b) in a
6.971 * [taylor]: Taking taylor expansion of b in a
6.971 * [taylor]: Taking taylor expansion of (/ 1 a) in a
6.971 * [taylor]: Taking taylor expansion of a in a
6.971 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) in a
6.971 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in a
6.971 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in a
6.972 * [taylor]: Taking taylor expansion of (sin (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- (/ 1 b) (/ 1 a)))) in b
6.972 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- (/ 1 b) (/ 1 a))) in b
6.972 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b)))))) in b
6.972 * [taylor]: Taking taylor expansion of (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b))))) in b
6.972 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in b
6.972 * [taylor]: Taking taylor expansion of (/ 1 b) in b
6.972 * [taylor]: Taking taylor expansion of b in b
6.973 * [taylor]: Taking taylor expansion of (/ 1 a) in b
6.973 * [taylor]: Taking taylor expansion of a in b
6.973 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) in b
6.973 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
6.973 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
6.974 * [taylor]: Taking taylor expansion of (sin (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- (/ 1 b) (/ 1 a)))) in b
6.974 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- (/ 1 b) (/ 1 a))) in b
6.974 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b)))))) in b
6.974 * [taylor]: Taking taylor expansion of (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b))))) in b
6.974 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in b
6.974 * [taylor]: Taking taylor expansion of (/ 1 b) in b
6.974 * [taylor]: Taking taylor expansion of b in b
6.974 * [taylor]: Taking taylor expansion of (/ 1 a) in b
6.974 * [taylor]: Taking taylor expansion of a in b
6.974 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) in b
6.974 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
6.974 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
6.976 * [taylor]: Taking taylor expansion of (sin (exp (* (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) (- (/ 1 b) (/ 1 a))))) in a
6.976 * [taylor]: Taking taylor expansion of (exp (* (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) (- (/ 1 b) (/ 1 a)))) in a
6.976 * [taylor]: Taking taylor expansion of (* (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) (- (/ 1 b) (/ 1 a))) in a
6.976 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) in a
6.976 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in a
6.976 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in a
6.976 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in a
6.976 * [taylor]: Taking taylor expansion of (/ 1 b) in a
6.976 * [taylor]: Taking taylor expansion of b in a
6.976 * [taylor]: Taking taylor expansion of (/ 1 a) in a
6.976 * [taylor]: Taking taylor expansion of a in a
6.980 * [taylor]: Taking taylor expansion of 0 in a
6.984 * [taylor]: Taking taylor expansion of 0 in a
6.989 * [taylor]: Taking taylor expansion of 0 in a
6.990 * [approximate]: Taking taylor expansion of (sin (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b)))) in (b a) around 0
6.990 * [taylor]: Taking taylor expansion of (sin (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b)))) in a
6.990 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b))) in a
6.990 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b)))))) in a
6.990 * [taylor]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b))))) in a
6.990 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in a
6.990 * [taylor]: Taking taylor expansion of (/ 1 a) in a
6.990 * [taylor]: Taking taylor expansion of a in a
6.990 * [taylor]: Taking taylor expansion of (/ 1 b) in a
6.990 * [taylor]: Taking taylor expansion of b in a
6.990 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ -1 b) (/ -1 b)))) in a
6.990 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in a
6.990 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in a
6.991 * [taylor]: Taking taylor expansion of (sin (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b)))) in b
6.991 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b))) in b
6.991 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b)))))) in b
6.991 * [taylor]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b))))) in b
6.991 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in b
6.991 * [taylor]: Taking taylor expansion of (/ 1 a) in b
6.991 * [taylor]: Taking taylor expansion of a in b
6.991 * [taylor]: Taking taylor expansion of (/ 1 b) in b
6.991 * [taylor]: Taking taylor expansion of b in b
6.992 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ -1 b) (/ -1 b)))) in b
6.992 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
6.992 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
6.993 * [taylor]: Taking taylor expansion of (sin (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b)))) in b
6.993 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b))) in b
6.993 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b)))))) in b
6.993 * [taylor]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b))))) in b
6.993 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in b
6.993 * [taylor]: Taking taylor expansion of (/ 1 a) in b
6.993 * [taylor]: Taking taylor expansion of a in b
6.993 * [taylor]: Taking taylor expansion of (/ 1 b) in b
6.993 * [taylor]: Taking taylor expansion of b in b
6.993 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ -1 b) (/ -1 b)))) in b
6.993 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
6.993 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
6.995 * [taylor]: Taking taylor expansion of (sin (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b)))) in a
6.995 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b))) in a
6.995 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b)))))) in a
6.995 * [taylor]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b))))) in a
6.995 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in a
6.995 * [taylor]: Taking taylor expansion of (/ 1 a) in a
6.995 * [taylor]: Taking taylor expansion of a in a
6.996 * [taylor]: Taking taylor expansion of (/ 1 b) in a
6.996 * [taylor]: Taking taylor expansion of b in a
6.996 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ -1 b) (/ -1 b)))) in a
6.996 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in a
6.996 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in a
6.999 * [taylor]: Taking taylor expansion of 0 in a
7.003 * [taylor]: Taking taylor expansion of 0 in a
7.009 * [taylor]: Taking taylor expansion of 0 in a
7.009 * * * [progress]: simplifying candidates
7.010 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (sqrt (atan2 b b)))
  (log1p (sqrt (atan2 b b)))
  (log (sqrt (atan2 b b)))
  (exp (sqrt (atan2 b b)))
  (* (cbrt (sqrt (atan2 b b))) (cbrt (sqrt (atan2 b b))))
  (cbrt (sqrt (atan2 b b)))
  (* (* (sqrt (atan2 b b)) (sqrt (atan2 b b))) (sqrt (atan2 b b)))
  (sqrt (* (cbrt (atan2 b b)) (cbrt (atan2 b b))))
  (sqrt (cbrt (atan2 b b)))
  (sqrt (sqrt (atan2 b b)))
  (sqrt (sqrt (atan2 b b)))
  (sqrt 1)
  (sqrt (atan2 b b))
  (/ 1 2)
  (sqrt (sqrt (atan2 b b)))
  (sqrt (sqrt (atan2 b b)))
  (expm1 (sin (pow (sqrt (atan2 b b)) (- b a))))
  (log1p (sin (pow (sqrt (atan2 b b)) (- b a))))
  (log (sin (pow (sqrt (atan2 b b)) (- b a))))
  (exp (sin (pow (sqrt (atan2 b b)) (- b a))))
  (* (cbrt (sin (pow (sqrt (atan2 b b)) (- b a)))) (cbrt (sin (pow (sqrt (atan2 b b)) (- b a)))))
  (cbrt (sin (pow (sqrt (atan2 b b)) (- b a))))
  (* (* (sin (pow (sqrt (atan2 b b)) (- b a))) (sin (pow (sqrt (atan2 b b)) (- b a)))) (sin (pow (sqrt (atan2 b b)) (- b a))))
  (sqrt (sin (pow (sqrt (atan2 b b)) (- b a))))
  (sqrt (sin (pow (sqrt (atan2 b b)) (- b a))))
  (sqrt (atan2 b b))
  (sqrt (atan2 b b))
  (sqrt (atan2 b b))
  (- (+ (* (cos 1) (* b (log (sqrt (atan2 b b))))) (sin 1)) (* a (* (cos 1) (log (sqrt (atan2 b b))))))
  (sin (pow (sqrt (atan2 b b)) (- b a)))
  (sin (pow (sqrt (atan2 b b)) (- b a)))
7.011 * * [simplify]: iteration  0 :  41  enodes  (cost  268 )
7.017 * * [simplify]: iteration  1 :  66  enodes  (cost  253 )
7.026 * * [simplify]: iteration  2 :  110  enodes  (cost  233 )
7.044 * * [simplify]: iteration  3 :  197  enodes  (cost  225 )
7.075 * * [simplify]: iteration  4 :  346  enodes  (cost  224 )
7.144 * * [simplify]: iteration  5 :  593  enodes  (cost  224 )
7.317 * * [simplify]: iteration  6 :  1452  enodes  (cost  224 )
8.482 * * [simplify]: iteration  7 :  4891  enodes  (cost  224 )
10.643 * * [simplify]: iteration  done :  5000  enodes  (cost  224 )
10.643 * [simplify]: Simplified to:
   (expm1 (sqrt (atan2 b b)))
  (log1p (sqrt (atan2 b b)))
  (log (sqrt (atan2 b b)))
  (exp (sqrt (atan2 b b)))
  (* (cbrt (sqrt (atan2 b b))) (cbrt (sqrt (atan2 b b))))
  (cbrt (sqrt (atan2 b b)))
  (pow (sqrt (atan2 b b)) 3)
  (fabs (cbrt (atan2 b b)))
  (sqrt (cbrt (atan2 b b)))
  (sqrt (sqrt (atan2 b b)))
  (sqrt (sqrt (atan2 b b)))
  1
  (sqrt (atan2 b b))
  1/2
  (sqrt (sqrt (atan2 b b)))
  (sqrt (sqrt (atan2 b b)))
  (expm1 (sin (pow (sqrt (atan2 b b)) (- b a))))
  (log1p (sin (pow (sqrt (atan2 b b)) (- b a))))
  (log (sin (pow (sqrt (atan2 b b)) (- b a))))
  (exp (sin (pow (sqrt (atan2 b b)) (- b a))))
  (* (cbrt (sin (pow (sqrt (atan2 b b)) (- b a)))) (cbrt (sin (pow (sqrt (atan2 b b)) (- b a)))))
  (cbrt (sin (pow (sqrt (atan2 b b)) (- b a))))
  (pow (sin (pow (sqrt (atan2 b b)) (- b a))) 3)
  (sqrt (sin (pow (sqrt (atan2 b b)) (- b a))))
  (sqrt (sin (pow (sqrt (atan2 b b)) (- b a))))
  (sqrt (atan2 b b))
  (sqrt (atan2 b b))
  (sqrt (atan2 b b))
  (fma (* (cos 1) (log (sqrt (atan2 b b)))) (- b a) (sin 1))
  (sin (pow (sqrt (atan2 b b)) (- b a)))
  (sin (pow (sqrt (atan2 b b)) (- b a)))
10.643 * * * [progress]: adding candidates to table
10.727 * [progress]: [Phase 3 of 3] Extracting.
10.727 * * [regime]: Finding splitpoints for: (#<alt (λ (a b) (expm1 (log1p (sin (pow (sqrt (atan2 b b)) (- b a))))))> #<alt (λ (a b) (sin (pow (sqrt (atan2 b b)) (- b a))))>)
10.727 * * * [regime-changes]: Trying 4 branch expressions: ((pow (sqrt (atan2 b b)) (- b a)) (sin (pow (sqrt (atan2 b b)) (- b a))) b a)
10.728 * * * * [regimes]: Trying to branch on (pow (sqrt (atan2 b b)) (- b a)) from (#<alt (λ (a b) (expm1 (log1p (sin (pow (sqrt (atan2 b b)) (- b a))))))> #<alt (λ (a b) (sin (pow (sqrt (atan2 b b)) (- b a))))>)
10.750 * * * * [regimes]: Trying to branch on (sin (pow (sqrt (atan2 b b)) (- b a))) from (#<alt (λ (a b) (expm1 (log1p (sin (pow (sqrt (atan2 b b)) (- b a))))))> #<alt (λ (a b) (sin (pow (sqrt (atan2 b b)) (- b a))))>)
10.772 * * * * [regimes]: Trying to branch on b from (#<alt (λ (a b) (expm1 (log1p (sin (pow (sqrt (atan2 b b)) (- b a))))))> #<alt (λ (a b) (sin (pow (sqrt (atan2 b b)) (- b a))))>)
10.785 * * * * [regimes]: Trying to branch on a from (#<alt (λ (a b) (expm1 (log1p (sin (pow (sqrt (atan2 b b)) (- b a))))))> #<alt (λ (a b) (sin (pow (sqrt (atan2 b b)) (- b a))))>)
10.799 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
10.800 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (log1p (sin (pow (sqrt (atan2 b b)) (- b a)))))
10.800 * * [simplify]: iteration  0 :  9  enodes  (cost  11 )
10.800 * * [simplify]: iteration  done :  9  enodes  (cost  11 )
10.800 * [simplify]: Simplified to:
   (expm1 (log1p (sin (pow (sqrt (atan2 b b)) (- b a)))))
13.072 * [regime-testing]: Baseline error score: 0.16196550304890883
13.072 * [regime-testing]: Oracle error score: 0.15028471951247524
13.073 * [regime-testing]: End program error score: 0.16196550304890883