5.672 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.024 * * * [progress]: [2/2] Setting up program.
0.025 * [progress]: [Phase 2 of 3] Improving.
0.026 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (* a a) (* b b))
0.028 * * [simplify]: iteration  0 :  10  enodes  (cost  3 )
0.030 * * [simplify]: iteration  1 :  17  enodes  (cost  3 )
0.031 * * [simplify]: iteration  2 :  32  enodes  (cost  3 )
0.033 * * [simplify]: iteration  3 :  58  enodes  (cost  3 )
0.035 * * [simplify]: iteration  4 :  129  enodes  (cost  3 )
0.037 * * [simplify]: iteration  5 :  207  enodes  (cost  3 )
0.041 * * [simplify]: iteration  6 :  393  enodes  (cost  3 )
0.049 * * [simplify]: iteration  7 :  1794  enodes  (cost  3 )
0.103 * * [simplify]: iteration  8 :  5001  enodes  (cost  3 )
0.103 * [simplify]: Simplified to:
   (- (* a a) (* b b))
0.104 * * [progress]: iteration 1 / 4
0.104 * * * [progress]: picking best candidate
0.105 * * * * [pick]: Picked  #<alt (λ (a b) (- (* a a) (* b b)))>
0.105 * * * [progress]: localizing error
0.109 * * * [progress]: generating rewritten candidates
0.109 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.112 * * * [progress]: generating series expansions
0.112 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.112 * [approximate]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in (a b) around 0
0.112 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in b
0.112 * [taylor]: Taking taylor expansion of (pow a 2) in b
0.112 * [taylor]: Taking taylor expansion of a in b
0.112 * [taylor]: Taking taylor expansion of (pow b 2) in b
0.112 * [taylor]: Taking taylor expansion of b in b
0.112 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in a
0.112 * [taylor]: Taking taylor expansion of (pow a 2) in a
0.112 * [taylor]: Taking taylor expansion of a in a
0.112 * [taylor]: Taking taylor expansion of (pow b 2) in a
0.112 * [taylor]: Taking taylor expansion of b in a
0.112 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in a
0.113 * [taylor]: Taking taylor expansion of (pow a 2) in a
0.113 * [taylor]: Taking taylor expansion of a in a
0.113 * [taylor]: Taking taylor expansion of (pow b 2) in a
0.113 * [taylor]: Taking taylor expansion of b in a
0.113 * [taylor]: Taking taylor expansion of (- (pow b 2)) in b
0.113 * [taylor]: Taking taylor expansion of (pow b 2) in b
0.113 * [taylor]: Taking taylor expansion of b in b
0.114 * [taylor]: Taking taylor expansion of 0 in b
0.115 * [taylor]: Taking taylor expansion of 1 in b
0.117 * [taylor]: Taking taylor expansion of 0 in b
0.119 * [taylor]: Taking taylor expansion of 0 in b
0.119 * [approximate]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in (a b) around 0
0.119 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in b
0.119 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in b
0.119 * [taylor]: Taking taylor expansion of (pow a 2) in b
0.119 * [taylor]: Taking taylor expansion of a in b
0.119 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
0.120 * [taylor]: Taking taylor expansion of (pow b 2) in b
0.120 * [taylor]: Taking taylor expansion of b in b
0.120 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
0.120 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
0.120 * [taylor]: Taking taylor expansion of (pow a 2) in a
0.120 * [taylor]: Taking taylor expansion of a in a
0.121 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
0.121 * [taylor]: Taking taylor expansion of (pow b 2) in a
0.121 * [taylor]: Taking taylor expansion of b in a
0.121 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
0.121 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
0.121 * [taylor]: Taking taylor expansion of (pow a 2) in a
0.121 * [taylor]: Taking taylor expansion of a in a
0.121 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
0.121 * [taylor]: Taking taylor expansion of (pow b 2) in a
0.121 * [taylor]: Taking taylor expansion of b in a
0.122 * [taylor]: Taking taylor expansion of 1 in b
0.123 * [taylor]: Taking taylor expansion of 0 in b
0.124 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b
0.124 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
0.124 * [taylor]: Taking taylor expansion of (pow b 2) in b
0.124 * [taylor]: Taking taylor expansion of b in b
0.127 * [taylor]: Taking taylor expansion of 0 in b
0.130 * [taylor]: Taking taylor expansion of 0 in b
0.131 * [approximate]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in (a b) around 0
0.131 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in b
0.131 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in b
0.131 * [taylor]: Taking taylor expansion of (pow a 2) in b
0.131 * [taylor]: Taking taylor expansion of a in b
0.132 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
0.132 * [taylor]: Taking taylor expansion of (pow b 2) in b
0.132 * [taylor]: Taking taylor expansion of b in b
0.132 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
0.132 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
0.132 * [taylor]: Taking taylor expansion of (pow a 2) in a
0.132 * [taylor]: Taking taylor expansion of a in a
0.133 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
0.133 * [taylor]: Taking taylor expansion of (pow b 2) in a
0.133 * [taylor]: Taking taylor expansion of b in a
0.133 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
0.133 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
0.133 * [taylor]: Taking taylor expansion of (pow a 2) in a
0.133 * [taylor]: Taking taylor expansion of a in a
0.133 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
0.133 * [taylor]: Taking taylor expansion of (pow b 2) in a
0.133 * [taylor]: Taking taylor expansion of b in a
0.134 * [taylor]: Taking taylor expansion of 1 in b
0.135 * [taylor]: Taking taylor expansion of 0 in b
0.136 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b
0.136 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
0.136 * [taylor]: Taking taylor expansion of (pow b 2) in b
0.136 * [taylor]: Taking taylor expansion of b in b
0.139 * [taylor]: Taking taylor expansion of 0 in b
0.142 * [taylor]: Taking taylor expansion of 0 in b
0.143 * * * [progress]: simplifying candidates
0.143 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (exp (* a a)) (exp (* b b)))
  (log (- (* a a) (* b b)))
  (exp (- (* a a) (* b b)))
  (* (cbrt (- (* a a) (* b b))) (cbrt (- (* a a) (* b b))))
  (cbrt (- (* a a) (* b b)))
  (* (* (- (* a a) (* b b)) (- (* a a) (* b b))) (- (* a a) (* b b)))
  (sqrt (- (* a a) (* b b)))
  (sqrt (- (* a a) (* b b)))
  (- (pow (* a a) 3) (pow (* b b) 3))
  (+ (* (* a a) (* a a)) (+ (* (* b b) (* b b)) (* (* a a) (* b b))))
  (- (* b b))
  (- (* (* a a) (* a a)) (* (* b b) (* b b)))
  (+ (* a a) (* b b))
  (+ a b)
  (- a b)
  (- (* b b))
  (- (pow a 2) (pow b 2))
  (- (pow a 2) (pow b 2))
  (- (pow a 2) (pow b 2))
0.146 * * [simplify]: iteration  0 :  93  enodes  (cost  83 )
0.149 * * [simplify]: iteration  1 :  375  enodes  (cost  72 )
0.155 * * [simplify]: iteration  2 :  1243  enodes  (cost  72 )
0.181 * * [simplify]: iteration  3 :  5001  enodes  (cost  72 )
0.182 * [simplify]: Simplified to:
   (exp (- (* a a) (* b b)))
  (log (- (* a a) (* b b)))
  (exp (- (* a a) (* b b)))
  (* (cbrt (- (* a a) (* b b))) (cbrt (- (* a a) (* b b))))
  (cbrt (- (* a a) (* b b)))
  (pow (- (* a a) (* b b)) 3)
  (sqrt (- (* a a) (* b b)))
  (sqrt (- (* a a) (* b b)))
  (- (pow (* a a) 3) (pow (* b b) 3))
  (+ (+ (pow a 4) (* (* a a) (* b b))) (pow b 4))
  (- (* b b))
  (+ (* (- (pow b 3)) b) (pow a 4))
  (+ (* a a) (* b b))
  (+ a b)
  (- a b)
  (- (* b b))
  (- (* a a) (* b b))
  (- (* a a) (* b b))
  (- (* a a) (* b b))
0.182 * * * [progress]: adding candidates to table
0.210 * * [progress]: iteration 2 / 4
0.210 * * * [progress]: picking best candidate
0.211 * * * * [pick]: Picked  #<alt (λ (a b) (* (+ a b) (- a b)))>
0.212 * * * [progress]: localizing error
0.216 * * * [progress]: generating rewritten candidates
0.216 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.233 * * * [progress]: generating series expansions
0.233 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.233 * [approximate]: Taking taylor expansion of (* (- a b) (+ a b)) in (a b) around 0
0.233 * [taylor]: Taking taylor expansion of (* (- a b) (+ a b)) in b
0.233 * [taylor]: Taking taylor expansion of (- a b) in b
0.233 * [taylor]: Taking taylor expansion of a in b
0.233 * [taylor]: Taking taylor expansion of b in b
0.233 * [taylor]: Taking taylor expansion of (+ a b) in b
0.233 * [taylor]: Taking taylor expansion of a in b
0.233 * [taylor]: Taking taylor expansion of b in b
0.233 * [taylor]: Taking taylor expansion of (* (- a b) (+ a b)) in a
0.233 * [taylor]: Taking taylor expansion of (- a b) in a
0.233 * [taylor]: Taking taylor expansion of a in a
0.233 * [taylor]: Taking taylor expansion of b in a
0.233 * [taylor]: Taking taylor expansion of (+ a b) in a
0.233 * [taylor]: Taking taylor expansion of a in a
0.233 * [taylor]: Taking taylor expansion of b in a
0.233 * [taylor]: Taking taylor expansion of (* (- a b) (+ a b)) in a
0.233 * [taylor]: Taking taylor expansion of (- a b) in a
0.233 * [taylor]: Taking taylor expansion of a in a
0.233 * [taylor]: Taking taylor expansion of b in a
0.233 * [taylor]: Taking taylor expansion of (+ a b) in a
0.233 * [taylor]: Taking taylor expansion of a in a
0.233 * [taylor]: Taking taylor expansion of b in a
0.234 * [taylor]: Taking taylor expansion of (* -1 (pow b 2)) in b
0.234 * [taylor]: Taking taylor expansion of -1 in b
0.234 * [taylor]: Taking taylor expansion of (pow b 2) in b
0.234 * [taylor]: Taking taylor expansion of b in b
0.235 * [taylor]: Taking taylor expansion of 0 in b
0.236 * [taylor]: Taking taylor expansion of 1 in b
0.237 * [taylor]: Taking taylor expansion of 0 in b
0.240 * [taylor]: Taking taylor expansion of 0 in b
0.240 * [approximate]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (+ (/ 1 b) (/ 1 a))) in (a b) around 0
0.240 * [taylor]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (+ (/ 1 b) (/ 1 a))) in b
0.240 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in b
0.240 * [taylor]: Taking taylor expansion of (/ 1 a) in b
0.240 * [taylor]: Taking taylor expansion of a in b
0.240 * [taylor]: Taking taylor expansion of (/ 1 b) in b
0.240 * [taylor]: Taking taylor expansion of b in b
0.240 * [taylor]: Taking taylor expansion of (+ (/ 1 b) (/ 1 a)) in b
0.240 * [taylor]: Taking taylor expansion of (/ 1 b) in b
0.240 * [taylor]: Taking taylor expansion of b in b
0.241 * [taylor]: Taking taylor expansion of (/ 1 a) in b
0.241 * [taylor]: Taking taylor expansion of a in b
0.241 * [taylor]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (+ (/ 1 b) (/ 1 a))) in a
0.241 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in a
0.241 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.241 * [taylor]: Taking taylor expansion of a in a
0.241 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.241 * [taylor]: Taking taylor expansion of b in a
0.241 * [taylor]: Taking taylor expansion of (+ (/ 1 b) (/ 1 a)) in a
0.241 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.241 * [taylor]: Taking taylor expansion of b in a
0.241 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.241 * [taylor]: Taking taylor expansion of a in a
0.241 * [taylor]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (+ (/ 1 b) (/ 1 a))) in a
0.242 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in a
0.242 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.242 * [taylor]: Taking taylor expansion of a in a
0.242 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.242 * [taylor]: Taking taylor expansion of b in a
0.242 * [taylor]: Taking taylor expansion of (+ (/ 1 b) (/ 1 a)) in a
0.242 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.242 * [taylor]: Taking taylor expansion of b in a
0.242 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.242 * [taylor]: Taking taylor expansion of a in a
0.243 * [taylor]: Taking taylor expansion of 1 in b
0.244 * [taylor]: Taking taylor expansion of 0 in b
0.246 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b
0.246 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
0.246 * [taylor]: Taking taylor expansion of (pow b 2) in b
0.246 * [taylor]: Taking taylor expansion of b in b
0.250 * [taylor]: Taking taylor expansion of 0 in b
0.253 * [taylor]: Taking taylor expansion of 0 in b
0.258 * [approximate]: Taking taylor expansion of (* -1 (* (- (/ 1 b) (/ 1 a)) (+ (/ 1 b) (/ 1 a)))) in (a b) around 0
0.259 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 b) (/ 1 a)) (+ (/ 1 b) (/ 1 a)))) in b
0.259 * [taylor]: Taking taylor expansion of -1 in b
0.259 * [taylor]: Taking taylor expansion of (* (- (/ 1 b) (/ 1 a)) (+ (/ 1 b) (/ 1 a))) in b
0.259 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in b
0.259 * [taylor]: Taking taylor expansion of (/ 1 b) in b
0.259 * [taylor]: Taking taylor expansion of b in b
0.259 * [taylor]: Taking taylor expansion of (/ 1 a) in b
0.259 * [taylor]: Taking taylor expansion of a in b
0.259 * [taylor]: Taking taylor expansion of (+ (/ 1 b) (/ 1 a)) in b
0.259 * [taylor]: Taking taylor expansion of (/ 1 b) in b
0.259 * [taylor]: Taking taylor expansion of b in b
0.259 * [taylor]: Taking taylor expansion of (/ 1 a) in b
0.259 * [taylor]: Taking taylor expansion of a in b
0.259 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 b) (/ 1 a)) (+ (/ 1 b) (/ 1 a)))) in a
0.259 * [taylor]: Taking taylor expansion of -1 in a
0.259 * [taylor]: Taking taylor expansion of (* (- (/ 1 b) (/ 1 a)) (+ (/ 1 b) (/ 1 a))) in a
0.259 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in a
0.259 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.259 * [taylor]: Taking taylor expansion of b in a
0.259 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.259 * [taylor]: Taking taylor expansion of a in a
0.260 * [taylor]: Taking taylor expansion of (+ (/ 1 b) (/ 1 a)) in a
0.260 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.260 * [taylor]: Taking taylor expansion of b in a
0.260 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.260 * [taylor]: Taking taylor expansion of a in a
0.260 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 b) (/ 1 a)) (+ (/ 1 b) (/ 1 a)))) in a
0.260 * [taylor]: Taking taylor expansion of -1 in a
0.260 * [taylor]: Taking taylor expansion of (* (- (/ 1 b) (/ 1 a)) (+ (/ 1 b) (/ 1 a))) in a
0.260 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in a
0.260 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.260 * [taylor]: Taking taylor expansion of b in a
0.260 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.260 * [taylor]: Taking taylor expansion of a in a
0.260 * [taylor]: Taking taylor expansion of (+ (/ 1 b) (/ 1 a)) in a
0.261 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.261 * [taylor]: Taking taylor expansion of b in a
0.261 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.261 * [taylor]: Taking taylor expansion of a in a
0.262 * [taylor]: Taking taylor expansion of 1 in b
0.264 * [taylor]: Taking taylor expansion of 0 in b
0.267 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b
0.267 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
0.267 * [taylor]: Taking taylor expansion of (pow b 2) in b
0.267 * [taylor]: Taking taylor expansion of b in b
0.271 * [taylor]: Taking taylor expansion of 0 in b
0.276 * [taylor]: Taking taylor expansion of 0 in b
0.277 * * * [progress]: simplifying candidates
0.278 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (+ a b) (- a b))
  (+ (log (+ a b)) (log (- a b)))
  (log (* (+ a b) (- a b)))
  (exp (* (+ a b) (- a b)))
  (* (* (* (+ a b) (+ a b)) (+ a b)) (* (* (- a b) (- a b)) (- a b)))
  (* (cbrt (* (+ a b) (- a b))) (cbrt (* (+ a b) (- a b))))
  (cbrt (* (+ a b) (- a b)))
  (* (* (* (+ a b) (- a b)) (* (+ a b) (- a b))) (* (+ a b) (- a b)))
  (sqrt (* (+ a b) (- a b)))
  (sqrt (* (+ a b) (- a b)))
  (* (+ (pow a 3) (pow b 3)) (- (pow a 3) (pow b 3)))
  (* (+ (* a a) (- (* b b) (* a b))) (+ (* a a) (+ (* b b) (* a b))))
  (* (+ (pow a 3) (pow b 3)) (- (* a a) (* b b)))
  (* (+ (* a a) (- (* b b) (* a b))) (+ a b))
  (* (- (* a a) (* b b)) (- (pow a 3) (pow b 3)))
  (* (- a b) (+ (* a a) (+ (* b b) (* a b))))
  (* (- (* a a) (* b b)) (- (* a a) (* b b)))
  (* (- a b) (+ a b))
  (* (sqrt (+ a b)) (sqrt (- a b)))
  (* (sqrt (+ a b)) (sqrt (- a b)))
  (* (+ a b) a)
  (* (+ a b) (- b))
  (* (+ a b) a)
  (* (+ a b) (- b))
  (* a (+ a b))
  (* (- b) (+ a b))
  (* a (+ a b))
  (* (- b) (+ a b))
  (* (+ a b) (* (cbrt (- a b)) (cbrt (- a b))))
  (* (+ a b) (sqrt (- a b)))
  (* (+ a b) 1)
  (* (+ a b) (+ (sqrt a) (sqrt b)))
  (* (+ a b) 1)
  (* (cbrt (+ a b)) (- a b))
  (* (sqrt (+ a b)) (- a b))
  (* (+ a b) (- a b))
  (* (+ a b) (- a b))
  (* (+ a b) (- (pow a 3) (pow b 3)))
  (* (+ a b) (- (* a a) (* b b)))
  (* (+ (pow a 3) (pow b 3)) (- a b))
  (* (- (* a a) (* b b)) (- a b))
  (- (pow a 2) (pow b 2))
  (- (pow a 2) (pow b 2))
  (- (pow a 2) (pow b 2))
0.281 * * [simplify]: iteration  0 :  196  enodes  (cost  201 )
0.285 * * [simplify]: iteration  1 :  986  enodes  (cost  187 )
0.306 * * [simplify]: iteration  2 :  5001  enodes  (cost  187 )
0.307 * [simplify]: Simplified to:
   (* (- a b) (+ a b))
  (log (* (+ a b) (- a b)))
  (log (* (+ a b) (- a b)))
  (exp (* (+ a b) (- a b)))
  (pow (* (- a b) (+ a b)) 3)
  (* (cbrt (* (+ a b) (- a b))) (cbrt (* (+ a b) (- a b))))
  (cbrt (* (+ a b) (- a b)))
  (pow (* (- a b) (+ a b)) 3)
  (sqrt (* (+ a b) (- a b)))
  (sqrt (* (+ a b) (- a b)))
  (* (+ (pow a 3) (pow b 3)) (- (pow a 3) (pow b 3)))
  (* (+ (* b (+ b a)) (pow a 2)) (+ (* b (- b a)) (pow a 2)))
  (* (+ (pow a 3) (pow b 3)) (- (* a a) (* b b)))
  (* (+ a b) (+ (* b (- b a)) (pow a 2)))
  (* (- (* a a) (* b b)) (- (pow a 3) (pow b 3)))
  (* (+ (* b (+ b a)) (pow a 2)) (- a b))
  (* (* (+ a b) (- a b)) (* (+ a b) (- a b)))
  (* (- a b) (+ a b))
  (* (sqrt (+ a b)) (sqrt (- a b)))
  (* (sqrt (+ a b)) (sqrt (- a b)))
  (* a (+ a b))
  (* (- b) (+ a b))
  (* a (+ a b))
  (* (- b) (+ a b))
  (* a (+ a b))
  (* (- b) (+ a b))
  (* a (+ a b))
  (* (- b) (+ a b))
  (* (+ a b) (* (cbrt (- a b)) (cbrt (- a b))))
  (* (+ a b) (sqrt (- a b)))
  (+ a b)
  (* (+ a b) (+ (sqrt a) (sqrt b)))
  (+ a b)
  (* (cbrt (+ a b)) (- a b))
  (* (sqrt (+ a b)) (- a b))
  (* (- a b) (+ a b))
  (* (- a b) (+ a b))
  (* (+ a b) (- (pow a 3) (pow b 3)))
  (* (+ a b) (- (* a a) (* b b)))
  (* (+ (pow a 3) (pow b 3)) (- a b))
  (* (- (* a a) (* b b)) (- a b))
  (* (- a b) (+ a b))
  (* (- a b) (+ a b))
  (* (- a b) (+ a b))
0.307 * * * [progress]: adding candidates to table
0.366 * [progress]: [Phase 3 of 3] Extracting.
0.366 * * [regime]: Finding splitpoints for: (#<alt (λ (a b) (* (+ a b) (- a b)))> #<alt (λ (a b) (- (* a a) (* b b)))>)
0.366 * * * [regime-changes]: Trying 5 branch expressions: ((* b b) (* a a) (- (* a a) (* b b)) b a)
0.366 * * * * [regimes]: Trying to branch on (* b b) from (#<alt (λ (a b) (* (+ a b) (- a b)))> #<alt (λ (a b) (- (* a a) (* b b)))>)
0.376 * * * * [regimes]: Trying to branch on (* a a) from (#<alt (λ (a b) (* (+ a b) (- a b)))> #<alt (λ (a b) (- (* a a) (* b b)))>)
0.388 * * * * [regimes]: Trying to branch on (- (* a a) (* b b)) from (#<alt (λ (a b) (* (+ a b) (- a b)))> #<alt (λ (a b) (- (* a a) (* b b)))>)
0.399 * * * * [regimes]: Trying to branch on b from (#<alt (λ (a b) (* (+ a b) (- a b)))> #<alt (λ (a b) (- (* a a) (* b b)))>)
0.409 * * * * [regimes]: Trying to branch on a from (#<alt (λ (a b) (* (+ a b) (- a b)))> #<alt (λ (a b) (- (* a a) (* b b)))>)
0.420 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.420 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (+ a b) (- a b))
0.421 * * [simplify]: iteration  0 :  7  enodes  (cost  3 )
0.421 * * [simplify]: iteration  1 :  7  enodes  (cost  3 )
0.421 * [simplify]: Simplified to:
   (* (+ a b) (- a b))
1.149 * [regime-testing]: Baseline error score: 0.0010001250156269534
1.149 * [regime-testing]: Oracle error score: 0.00037504688086010754
1.150 * [regime-testing]: End program error score: 0.0010001250156269534
1.167 * [regime-testing]: Target error score: 0.0010001250156269534