40.782 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.090 * * * [progress]: [2/2] Setting up program.
0.092 * [progress]: [Phase 2 of 3] Improving.
0.092 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (* a a) (* b b))
0.197 * * [simplify]: iteration  0 :  6509  enodes  (cost  7 )
0.197 * [simplify]: Simplified to:
   (- (* a a) (* b b))
0.198 * * [progress]: iteration 1 / 4
0.198 * * * [progress]: picking best candidate
0.200 * * * * [pick]: Picked  #<alt (λ (a b) (- (* a a) (* b b)))>
0.200 * * * [progress]: localizing error
0.204 * * * [progress]: generating rewritten candidates
0.204 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.208 * * * [progress]: generating series expansions
0.208 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.208 * [approximate]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in (a b) around 0
0.208 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in b
0.208 * [taylor]: Taking taylor expansion of (pow a 2) in b
0.208 * [taylor]: Taking taylor expansion of a in b
0.208 * [taylor]: Taking taylor expansion of (pow b 2) in b
0.208 * [taylor]: Taking taylor expansion of b in b
0.208 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in a
0.208 * [taylor]: Taking taylor expansion of (pow a 2) in a
0.208 * [taylor]: Taking taylor expansion of a in a
0.208 * [taylor]: Taking taylor expansion of (pow b 2) in a
0.208 * [taylor]: Taking taylor expansion of b in a
0.208 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in a
0.208 * [taylor]: Taking taylor expansion of (pow a 2) in a
0.208 * [taylor]: Taking taylor expansion of a in a
0.208 * [taylor]: Taking taylor expansion of (pow b 2) in a
0.208 * [taylor]: Taking taylor expansion of b in a
0.208 * [taylor]: Taking taylor expansion of (neg (pow b 2)) in b
0.208 * [taylor]: Taking taylor expansion of (pow b 2) in b
0.208 * [taylor]: Taking taylor expansion of b in b
0.208 * [taylor]: Taking taylor expansion of 0 in b
0.208 * [taylor]: Taking taylor expansion of 1 in b
0.209 * [taylor]: Taking taylor expansion of 0 in b
0.209 * [taylor]: Taking taylor expansion of 0 in b
0.209 * [approximate]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in (a b) around 0
0.209 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in b
0.209 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in b
0.209 * [taylor]: Taking taylor expansion of (pow a 2) in b
0.209 * [taylor]: Taking taylor expansion of a in b
0.209 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
0.209 * [taylor]: Taking taylor expansion of (pow b 2) in b
0.209 * [taylor]: Taking taylor expansion of b in b
0.209 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
0.209 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
0.209 * [taylor]: Taking taylor expansion of (pow a 2) in a
0.209 * [taylor]: Taking taylor expansion of a in a
0.209 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
0.209 * [taylor]: Taking taylor expansion of (pow b 2) in a
0.209 * [taylor]: Taking taylor expansion of b in a
0.209 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
0.209 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
0.209 * [taylor]: Taking taylor expansion of (pow a 2) in a
0.209 * [taylor]: Taking taylor expansion of a in a
0.210 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
0.210 * [taylor]: Taking taylor expansion of (pow b 2) in a
0.210 * [taylor]: Taking taylor expansion of b in a
0.210 * [taylor]: Taking taylor expansion of 1 in b
0.210 * [taylor]: Taking taylor expansion of 0 in b
0.210 * [taylor]: Taking taylor expansion of (neg (/ 1 (pow b 2))) in b
0.210 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
0.210 * [taylor]: Taking taylor expansion of (pow b 2) in b
0.210 * [taylor]: Taking taylor expansion of b in b
0.210 * [taylor]: Taking taylor expansion of 0 in b
0.211 * [taylor]: Taking taylor expansion of 0 in b
0.211 * [approximate]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in (a b) around 0
0.211 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in b
0.211 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in b
0.211 * [taylor]: Taking taylor expansion of (pow a 2) in b
0.211 * [taylor]: Taking taylor expansion of a in b
0.211 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
0.211 * [taylor]: Taking taylor expansion of (pow b 2) in b
0.211 * [taylor]: Taking taylor expansion of b in b
0.211 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
0.211 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
0.211 * [taylor]: Taking taylor expansion of (pow a 2) in a
0.211 * [taylor]: Taking taylor expansion of a in a
0.211 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
0.211 * [taylor]: Taking taylor expansion of (pow b 2) in a
0.212 * [taylor]: Taking taylor expansion of b in a
0.212 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
0.212 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
0.212 * [taylor]: Taking taylor expansion of (pow a 2) in a
0.212 * [taylor]: Taking taylor expansion of a in a
0.212 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
0.212 * [taylor]: Taking taylor expansion of (pow b 2) in a
0.212 * [taylor]: Taking taylor expansion of b in a
0.212 * [taylor]: Taking taylor expansion of 1 in b
0.212 * [taylor]: Taking taylor expansion of 0 in b
0.212 * [taylor]: Taking taylor expansion of (neg (/ 1 (pow b 2))) in b
0.212 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
0.212 * [taylor]: Taking taylor expansion of (pow b 2) in b
0.212 * [taylor]: Taking taylor expansion of b in b
0.212 * [taylor]: Taking taylor expansion of 0 in b
0.213 * [taylor]: Taking taylor expansion of 0 in b
0.213 * * * [progress]: simplifying candidates
0.214 * [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))))
  (neg (* b b))
  (- (* (* a a) (* a a)) (* (* b b) (* b b)))
  (+ (* a a) (* b b))
  (+ a b)
  (- a b)
  (- (pow a 2) (pow b 2))
  (- (pow a 2) (pow b 2))
  (- (pow a 2) (pow b 2))
0.263 * * [simplify]: iteration  0 :  4881  enodes  (cost  141 )
0.263 * * [simplify]: iteration  1 :  4881  enodes  (cost  141 )
0.264 * [simplify]: Simplified to:
   (pow (exp (+ a b)) (- a b))
  (log (- (* a a) (* b b)))
  (pow (exp (+ a b)) (- a 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 6) (pow b 6))
  (+ (pow a 4) (+ (pow b 4) (* a (* a (* b b)))))
  (* b (neg b))
  (- (pow a 4) (pow b 4))
  (+ (* a a) (* b b))
  (+ a b)
  (- a b)
  (- (* a a) (* b b))
  (- (* a a) (* b b))
  (- (* a a) (* b b))
0.264 * * * [progress]: adding candidates to table
0.280 * * [progress]: iteration 2 / 4
0.280 * * * [progress]: picking best candidate
0.282 * * * * [pick]: Picked  #<alt (λ (a b) (* (+ a b) (- a b)))>
0.282 * * * [progress]: localizing error
0.286 * * * [progress]: generating rewritten candidates
0.286 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.295 * * * [progress]: generating series expansions
0.295 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.295 * [approximate]: Taking taylor expansion of (* (- a b) (+ a b)) in (a b) around 0
0.295 * [taylor]: Taking taylor expansion of (* (- a b) (+ a b)) in b
0.295 * [taylor]: Taking taylor expansion of (- a b) in b
0.295 * [taylor]: Taking taylor expansion of a in b
0.295 * [taylor]: Taking taylor expansion of b in b
0.295 * [taylor]: Taking taylor expansion of (+ a b) in b
0.295 * [taylor]: Taking taylor expansion of a in b
0.295 * [taylor]: Taking taylor expansion of b in b
0.295 * [taylor]: Taking taylor expansion of (* (- a b) (+ a b)) in a
0.295 * [taylor]: Taking taylor expansion of (- a b) in a
0.295 * [taylor]: Taking taylor expansion of a in a
0.295 * [taylor]: Taking taylor expansion of b in a
0.295 * [taylor]: Taking taylor expansion of (+ a b) in a
0.295 * [taylor]: Taking taylor expansion of a in a
0.295 * [taylor]: Taking taylor expansion of b in a
0.295 * [taylor]: Taking taylor expansion of (* (- a b) (+ a b)) in a
0.295 * [taylor]: Taking taylor expansion of (- a b) in a
0.295 * [taylor]: Taking taylor expansion of a in a
0.295 * [taylor]: Taking taylor expansion of b in a
0.295 * [taylor]: Taking taylor expansion of (+ a b) in a
0.295 * [taylor]: Taking taylor expansion of a in a
0.295 * [taylor]: Taking taylor expansion of b in a
0.295 * [taylor]: Taking taylor expansion of (* -1 (pow b 2)) in b
0.295 * [taylor]: Taking taylor expansion of -1 in b
0.295 * [taylor]: Taking taylor expansion of (pow b 2) in b
0.295 * [taylor]: Taking taylor expansion of b in b
0.295 * [taylor]: Taking taylor expansion of 0 in b
0.295 * [taylor]: Taking taylor expansion of 1 in b
0.296 * [taylor]: Taking taylor expansion of 0 in b
0.296 * [taylor]: Taking taylor expansion of 0 in b
0.296 * [approximate]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (+ (/ 1 b) (/ 1 a))) in (a b) around 0
0.296 * [taylor]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (+ (/ 1 b) (/ 1 a))) in b
0.296 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in b
0.296 * [taylor]: Taking taylor expansion of (/ 1 a) in b
0.296 * [taylor]: Taking taylor expansion of a in b
0.296 * [taylor]: Taking taylor expansion of (/ 1 b) in b
0.296 * [taylor]: Taking taylor expansion of b in b
0.296 * [taylor]: Taking taylor expansion of (+ (/ 1 b) (/ 1 a)) in b
0.296 * [taylor]: Taking taylor expansion of (/ 1 b) in b
0.296 * [taylor]: Taking taylor expansion of b in b
0.296 * [taylor]: Taking taylor expansion of (/ 1 a) in b
0.296 * [taylor]: Taking taylor expansion of a in b
0.296 * [taylor]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (+ (/ 1 b) (/ 1 a))) in a
0.296 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in a
0.296 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.296 * [taylor]: Taking taylor expansion of a in a
0.296 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.296 * [taylor]: Taking taylor expansion of b in a
0.296 * [taylor]: Taking taylor expansion of (+ (/ 1 b) (/ 1 a)) in a
0.296 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.296 * [taylor]: Taking taylor expansion of b in a
0.297 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.297 * [taylor]: Taking taylor expansion of a in a
0.297 * [taylor]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (+ (/ 1 b) (/ 1 a))) in a
0.297 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in a
0.297 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.297 * [taylor]: Taking taylor expansion of a in a
0.297 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.297 * [taylor]: Taking taylor expansion of b in a
0.297 * [taylor]: Taking taylor expansion of (+ (/ 1 b) (/ 1 a)) in a
0.297 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.297 * [taylor]: Taking taylor expansion of b in a
0.297 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.297 * [taylor]: Taking taylor expansion of a in a
0.297 * [taylor]: Taking taylor expansion of 1 in b
0.297 * [taylor]: Taking taylor expansion of 0 in b
0.297 * [taylor]: Taking taylor expansion of (neg (/ 1 (pow b 2))) in b
0.297 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
0.297 * [taylor]: Taking taylor expansion of (pow b 2) in b
0.297 * [taylor]: Taking taylor expansion of b in b
0.298 * [taylor]: Taking taylor expansion of 0 in b
0.298 * [taylor]: Taking taylor expansion of 0 in b
0.299 * [approximate]: Taking taylor expansion of (* -1 (* (- (/ 1 b) (/ 1 a)) (+ (/ 1 b) (/ 1 a)))) in (a b) around 0
0.299 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 b) (/ 1 a)) (+ (/ 1 b) (/ 1 a)))) in b
0.299 * [taylor]: Taking taylor expansion of -1 in b
0.299 * [taylor]: Taking taylor expansion of (* (- (/ 1 b) (/ 1 a)) (+ (/ 1 b) (/ 1 a))) in b
0.299 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in b
0.299 * [taylor]: Taking taylor expansion of (/ 1 b) in b
0.299 * [taylor]: Taking taylor expansion of b in b
0.299 * [taylor]: Taking taylor expansion of (/ 1 a) in b
0.299 * [taylor]: Taking taylor expansion of a in b
0.299 * [taylor]: Taking taylor expansion of (+ (/ 1 b) (/ 1 a)) in b
0.299 * [taylor]: Taking taylor expansion of (/ 1 b) in b
0.299 * [taylor]: Taking taylor expansion of b in b
0.299 * [taylor]: Taking taylor expansion of (/ 1 a) in b
0.299 * [taylor]: Taking taylor expansion of a in b
0.299 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 b) (/ 1 a)) (+ (/ 1 b) (/ 1 a)))) in a
0.299 * [taylor]: Taking taylor expansion of -1 in a
0.299 * [taylor]: Taking taylor expansion of (* (- (/ 1 b) (/ 1 a)) (+ (/ 1 b) (/ 1 a))) in a
0.299 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in a
0.299 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.299 * [taylor]: Taking taylor expansion of b in a
0.299 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.299 * [taylor]: Taking taylor expansion of a in a
0.299 * [taylor]: Taking taylor expansion of (+ (/ 1 b) (/ 1 a)) in a
0.299 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.299 * [taylor]: Taking taylor expansion of b in a
0.299 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.299 * [taylor]: Taking taylor expansion of a in a
0.299 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 b) (/ 1 a)) (+ (/ 1 b) (/ 1 a)))) in a
0.299 * [taylor]: Taking taylor expansion of -1 in a
0.299 * [taylor]: Taking taylor expansion of (* (- (/ 1 b) (/ 1 a)) (+ (/ 1 b) (/ 1 a))) in a
0.299 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in a
0.299 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.299 * [taylor]: Taking taylor expansion of b in a
0.299 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.299 * [taylor]: Taking taylor expansion of a in a
0.299 * [taylor]: Taking taylor expansion of (+ (/ 1 b) (/ 1 a)) in a
0.299 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.299 * [taylor]: Taking taylor expansion of b in a
0.299 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.299 * [taylor]: Taking taylor expansion of a in a
0.300 * [taylor]: Taking taylor expansion of 1 in b
0.300 * [taylor]: Taking taylor expansion of 0 in b
0.300 * [taylor]: Taking taylor expansion of (neg (/ 1 (pow b 2))) in b
0.300 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
0.300 * [taylor]: Taking taylor expansion of (pow b 2) in b
0.300 * [taylor]: Taking taylor expansion of b in b
0.301 * [taylor]: Taking taylor expansion of 0 in b
0.301 * [taylor]: Taking taylor expansion of 0 in b
0.301 * * * [progress]: simplifying candidates
0.302 * [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) (neg b))
  (* a (+ a b))
  (* (neg 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))
0.343 * * [simplify]: iteration  0 :  5281  enodes  (cost  373 )
0.345 * [simplify]: Simplified to:
   (- (* a a) (* b b))
  (log (- (* a a) (* b b)))
  (log (- (* a a) (* b b)))
  (pow (exp (+ a b)) (- a b))
  (pow (- (* a a) (* b b)) 3)
  (* (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 3) (pow b 3)) (- (pow a 3) (pow b 3)))
  (* (+ (* a a) (* b (- b a))) (+ (* a a) (* b (+ a b))))
  (* (+ a b) (* (- a b) (+ (pow a 3) (pow b 3))))
  (* (+ a b) (+ (* a a) (* b (- b a))))
  (* (+ a b) (* (- a b) (- (pow a 3) (pow b 3))))
  (* (- a b) (+ (* a a) (* b (+ a b))))
  (* (+ a b) (* (+ a b) (* (- a b) (- a b))))
  (- (* a a) (* b b))
  (* (sqrt (+ a b)) (sqrt (- a b)))
  (* (sqrt (+ a b)) (sqrt (- a b)))
  (* a (+ a b))
  (* b (- (neg b) a))
  (* a (+ a b))
  (* b (- (neg b) a))
  (* (+ a b) (* (cbrt (- a b)) (cbrt (- a b))))
  (* (+ a b) (sqrt (- a b)))
  (+ a b)
  (* (+ a b) (+ (sqrt a) (sqrt b)))
  (+ a b)
  (* (- a b) (cbrt (+ a b)))
  (* (- a b) (sqrt (+ a b)))
  (- (* a a) (* b b))
  (- (* a a) (* b b))
  (* (+ a b) (- (pow a 3) (pow b 3)))
  (* (+ a b) (- (* a a) (* b b)))
  (* (- a b) (+ (pow a 3) (pow b 3)))
  (* (+ a b) (* (- a b) (- a b)))
  (- (* a a) (* b b))
  (- (* a a) (* b b))
  (- (* a a) (* b b))
0.345 * * * [progress]: adding candidates to table
0.375 * [progress]: [Phase 3 of 3] Extracting.
0.375 * * [regime]: Finding splitpoints for: (#<alt (λ (a b) (* (+ a b) (- a b)))> #<alt (λ (a b) (- (* a a) (* b b)))>)
0.375 * * * [regime-changes]: Trying 5 branch expressions: ((* b b) (* a a) (- (* a a) (* b b)) b a)
0.375 * * * * [regimes]: Trying to branch on (* b b) from (#<alt (λ (a b) (* (+ a b) (- a b)))> #<alt (λ (a b) (- (* a a) (* b b)))>)
0.404 * * * * [regimes]: Trying to branch on (* a a) from (#<alt (λ (a b) (* (+ a b) (- a b)))> #<alt (λ (a b) (- (* a a) (* b b)))>)
0.434 * * * * [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)))>)
0.465 * * * * [regimes]: Trying to branch on b from (#<alt (λ (a b) (* (+ a b) (- a b)))> #<alt (λ (a b) (- (* a a) (* b b)))>)
0.494 * * * * [regimes]: Trying to branch on a from (#<alt (λ (a b) (* (+ a b) (- a b)))> #<alt (λ (a b) (- (* a a) (* b b)))>)
0.524 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.524 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (+ a b) (- a b))
0.525 * * [simplify]: iteration  0 :  17  enodes  (cost  7 )
0.525 * * [simplify]: iteration  1 :  17  enodes  (cost  7 )
0.525 * [simplify]: Simplified to:
   (* (+ a b) (- a b))
1.055 * [regime-testing]: End program error score: 0.0007500937617202151
1.117 * [regime-testing]: Target error score: 0.0007500937617202151