29.283 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.032 * * * [progress]: [2/2] Setting up program.
0.035 * [progress]: [Phase 2 of 3] Improving.
0.035 * [simplify]: Simplifying:
  (- (* a a) (* b b))
0.035 * * [simplify]: iteration 0: 5 enodes
0.036 * * [simplify]: iteration 1: 11 enodes
0.038 * * [simplify]: iteration 2: 18 enodes
0.041 * * [simplify]: iteration 3: 35 enodes
0.047 * * [simplify]: iteration 4: 66 enodes
0.072 * * [simplify]: iteration 5: 159 enodes
0.141 * * [simplify]: iteration 6: 286 enodes
0.280 * * [simplify]: iteration 7: 519 enodes
0.850 * * [simplify]: iteration 8: 1418 enodes
7.900 * * [simplify]: iteration 9: 4794 enodes
9.231 * * [simplify]: iteration complete: 5000 enodes
9.231 * * [simplify]: Extracting #0: cost 1 inf + 0
9.232 * * [simplify]: Extracting #1: cost 191 inf + 0
9.242 * * [simplify]: Extracting #2: cost 574 inf + 3326
9.289 * * [simplify]: Extracting #3: cost 140 inf + 78086
9.341 * * [simplify]: Extracting #4: cost 3 inf + 107323
9.389 * * [simplify]: Extracting #5: cost 0 inf + 106470
9.460 * [simplify]: Simplified to:
  (- (* a a) (* b b))
9.461 * * [progress]: iteration 1 / 4
9.461 * * * [progress]: picking best candidate
9.467 * * * * [pick]: Picked  #<alt (λ (a b) (- (* a a) (* b b)))>
9.467 * * * [progress]: localizing error
9.482 * * * [progress]: generating rewritten candidates
9.482 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
9.494 * * * [progress]: generating series expansions
9.494 * * * * [progress]: [ 1 / 1 ] generating series at (2)
9.495 * [backup-simplify]: Simplify (- (* a a) (* b b)) into (- (pow a 2) (pow b 2))
9.495 * [approximate]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in (a b) around 0
9.495 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in b
9.495 * [taylor]: Taking taylor expansion of (pow a 2) in b
9.495 * [taylor]: Taking taylor expansion of a in b
9.495 * [backup-simplify]: Simplify a into a
9.495 * [taylor]: Taking taylor expansion of (pow b 2) in b
9.495 * [taylor]: Taking taylor expansion of b in b
9.495 * [backup-simplify]: Simplify 0 into 0
9.495 * [backup-simplify]: Simplify 1 into 1
9.495 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in a
9.495 * [taylor]: Taking taylor expansion of (pow a 2) in a
9.495 * [taylor]: Taking taylor expansion of a in a
9.495 * [backup-simplify]: Simplify 0 into 0
9.495 * [backup-simplify]: Simplify 1 into 1
9.495 * [taylor]: Taking taylor expansion of (pow b 2) in a
9.495 * [taylor]: Taking taylor expansion of b in a
9.495 * [backup-simplify]: Simplify b into b
9.495 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in a
9.495 * [taylor]: Taking taylor expansion of (pow a 2) in a
9.495 * [taylor]: Taking taylor expansion of a in a
9.495 * [backup-simplify]: Simplify 0 into 0
9.495 * [backup-simplify]: Simplify 1 into 1
9.495 * [taylor]: Taking taylor expansion of (pow b 2) in a
9.495 * [taylor]: Taking taylor expansion of b in a
9.495 * [backup-simplify]: Simplify b into b
9.495 * [backup-simplify]: Simplify (* b b) into (pow b 2)
9.495 * [backup-simplify]: Simplify (- (pow b 2)) into (- (pow b 2))
9.495 * [backup-simplify]: Simplify (+ 0 (- (pow b 2))) into (- (pow b 2))
9.495 * [taylor]: Taking taylor expansion of (- (pow b 2)) in b
9.495 * [taylor]: Taking taylor expansion of (pow b 2) in b
9.495 * [taylor]: Taking taylor expansion of b in b
9.495 * [backup-simplify]: Simplify 0 into 0
9.495 * [backup-simplify]: Simplify 1 into 1
9.495 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
9.496 * [backup-simplify]: Simplify (- 0) into 0
9.496 * [backup-simplify]: Simplify (+ 0 0) into 0
9.496 * [taylor]: Taking taylor expansion of 0 in b
9.496 * [backup-simplify]: Simplify 0 into 0
9.496 * [backup-simplify]: Simplify 0 into 0
9.496 * [backup-simplify]: Simplify (* 1 1) into 1
9.497 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
9.497 * [backup-simplify]: Simplify (- 0) into 0
9.497 * [backup-simplify]: Simplify (+ 1 0) into 1
9.497 * [taylor]: Taking taylor expansion of 1 in b
9.497 * [backup-simplify]: Simplify 1 into 1
9.497 * [backup-simplify]: Simplify 1 into 1
9.497 * [backup-simplify]: Simplify 0 into 0
9.498 * [backup-simplify]: Simplify (* 1 1) into 1
9.498 * [backup-simplify]: Simplify (- 1) into -1
9.498 * [backup-simplify]: Simplify -1 into -1
9.498 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
9.499 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (+ (* 0 0) (* 0 b)))) into 0
9.499 * [backup-simplify]: Simplify (- 0) into 0
9.500 * [backup-simplify]: Simplify (+ 0 0) into 0
9.500 * [taylor]: Taking taylor expansion of 0 in b
9.500 * [backup-simplify]: Simplify 0 into 0
9.500 * [backup-simplify]: Simplify 0 into 0
9.500 * [backup-simplify]: Simplify 0 into 0
9.500 * [backup-simplify]: Simplify 0 into 0
9.501 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
9.501 * [backup-simplify]: Simplify (- 0) into 0
9.501 * [backup-simplify]: Simplify 0 into 0
9.502 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
9.503 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 b))))) into 0
9.503 * [backup-simplify]: Simplify (- 0) into 0
9.503 * [backup-simplify]: Simplify (+ 0 0) into 0
9.503 * [taylor]: Taking taylor expansion of 0 in b
9.503 * [backup-simplify]: Simplify 0 into 0
9.503 * [backup-simplify]: Simplify 0 into 0
9.503 * [backup-simplify]: Simplify 0 into 0
9.503 * [backup-simplify]: Simplify (+ (* -1 (pow (* b 1) 2)) (* 1 (pow (* 1 a) 2))) into (- (pow a 2) (pow b 2))
9.504 * [backup-simplify]: Simplify (- (* (/ 1 a) (/ 1 a)) (* (/ 1 b) (/ 1 b))) into (- (/ 1 (pow a 2)) (/ 1 (pow b 2)))
9.504 * [approximate]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in (a b) around 0
9.504 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in b
9.504 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in b
9.504 * [taylor]: Taking taylor expansion of (pow a 2) in b
9.504 * [taylor]: Taking taylor expansion of a in b
9.504 * [backup-simplify]: Simplify a into a
9.504 * [backup-simplify]: Simplify (* a a) into (pow a 2)
9.504 * [backup-simplify]: Simplify (/ 1 (pow a 2)) into (/ 1 (pow a 2))
9.504 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
9.504 * [taylor]: Taking taylor expansion of (pow b 2) in b
9.504 * [taylor]: Taking taylor expansion of b in b
9.504 * [backup-simplify]: Simplify 0 into 0
9.504 * [backup-simplify]: Simplify 1 into 1
9.504 * [backup-simplify]: Simplify (* 1 1) into 1
9.504 * [backup-simplify]: Simplify (/ 1 1) into 1
9.504 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
9.504 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
9.504 * [taylor]: Taking taylor expansion of (pow a 2) in a
9.504 * [taylor]: Taking taylor expansion of a in a
9.504 * [backup-simplify]: Simplify 0 into 0
9.505 * [backup-simplify]: Simplify 1 into 1
9.505 * [backup-simplify]: Simplify (* 1 1) into 1
9.505 * [backup-simplify]: Simplify (/ 1 1) into 1
9.505 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
9.505 * [taylor]: Taking taylor expansion of (pow b 2) in a
9.505 * [taylor]: Taking taylor expansion of b in a
9.505 * [backup-simplify]: Simplify b into b
9.505 * [backup-simplify]: Simplify (* b b) into (pow b 2)
9.505 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
9.505 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
9.505 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
9.505 * [taylor]: Taking taylor expansion of (pow a 2) in a
9.505 * [taylor]: Taking taylor expansion of a in a
9.505 * [backup-simplify]: Simplify 0 into 0
9.505 * [backup-simplify]: Simplify 1 into 1
9.506 * [backup-simplify]: Simplify (* 1 1) into 1
9.506 * [backup-simplify]: Simplify (/ 1 1) into 1
9.506 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
9.506 * [taylor]: Taking taylor expansion of (pow b 2) in a
9.506 * [taylor]: Taking taylor expansion of b in a
9.506 * [backup-simplify]: Simplify b into b
9.506 * [backup-simplify]: Simplify (* b b) into (pow b 2)
9.506 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
9.506 * [backup-simplify]: Simplify (+ 1 0) into 1
9.506 * [taylor]: Taking taylor expansion of 1 in b
9.506 * [backup-simplify]: Simplify 1 into 1
9.507 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
9.507 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
9.508 * [backup-simplify]: Simplify (+ 0 0) into 0
9.508 * [taylor]: Taking taylor expansion of 0 in b
9.508 * [backup-simplify]: Simplify 0 into 0
9.508 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
9.509 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
9.509 * [backup-simplify]: Simplify (- (/ 1 (pow b 2))) into (- (/ 1 (pow b 2)))
9.509 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow b 2)))) into (- (/ 1 (pow b 2)))
9.509 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b
9.509 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
9.509 * [taylor]: Taking taylor expansion of (pow b 2) in b
9.509 * [taylor]: Taking taylor expansion of b in b
9.509 * [backup-simplify]: Simplify 0 into 0
9.509 * [backup-simplify]: Simplify 1 into 1
9.510 * [backup-simplify]: Simplify (* 1 1) into 1
9.510 * [backup-simplify]: Simplify (/ 1 1) into 1
9.510 * [backup-simplify]: Simplify (- 1) into -1
9.510 * [backup-simplify]: Simplify -1 into -1
9.510 * [backup-simplify]: Simplify 1 into 1
9.511 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
9.511 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
9.512 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
9.512 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))))) into 0
9.512 * [backup-simplify]: Simplify (- 0) into 0
9.512 * [backup-simplify]: Simplify (+ 0 0) into 0
9.512 * [taylor]: Taking taylor expansion of 0 in b
9.512 * [backup-simplify]: Simplify 0 into 0
9.513 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
9.513 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
9.513 * [backup-simplify]: Simplify (- 0) into 0
9.513 * [backup-simplify]: Simplify 0 into 0
9.514 * [backup-simplify]: Simplify 0 into 0
9.514 * [backup-simplify]: Simplify 0 into 0
9.514 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
9.515 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
9.515 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
9.516 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))) (* 0 (/ 0 (pow b 2))))) into 0
9.516 * [backup-simplify]: Simplify (- 0) into 0
9.516 * [backup-simplify]: Simplify (+ 0 0) into 0
9.516 * [taylor]: Taking taylor expansion of 0 in b
9.516 * [backup-simplify]: Simplify 0 into 0
9.517 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
9.517 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
9.518 * [backup-simplify]: Simplify (- 0) into 0
9.518 * [backup-simplify]: Simplify 0 into 0
9.518 * [backup-simplify]: Simplify 0 into 0
9.518 * [backup-simplify]: Simplify 0 into 0
9.518 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 a))) 2)) (* -1 (pow (* (/ 1 (/ 1 b)) 1) 2))) into (- (pow a 2) (pow b 2))
9.518 * [backup-simplify]: Simplify (- (* (/ 1 (- a)) (/ 1 (- a))) (* (/ 1 (- b)) (/ 1 (- b)))) into (- (/ 1 (pow a 2)) (/ 1 (pow b 2)))
9.518 * [approximate]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in (a b) around 0
9.518 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in b
9.518 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in b
9.518 * [taylor]: Taking taylor expansion of (pow a 2) in b
9.518 * [taylor]: Taking taylor expansion of a in b
9.518 * [backup-simplify]: Simplify a into a
9.518 * [backup-simplify]: Simplify (* a a) into (pow a 2)
9.518 * [backup-simplify]: Simplify (/ 1 (pow a 2)) into (/ 1 (pow a 2))
9.518 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
9.519 * [taylor]: Taking taylor expansion of (pow b 2) in b
9.519 * [taylor]: Taking taylor expansion of b in b
9.519 * [backup-simplify]: Simplify 0 into 0
9.519 * [backup-simplify]: Simplify 1 into 1
9.519 * [backup-simplify]: Simplify (* 1 1) into 1
9.519 * [backup-simplify]: Simplify (/ 1 1) into 1
9.519 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
9.519 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
9.519 * [taylor]: Taking taylor expansion of (pow a 2) in a
9.519 * [taylor]: Taking taylor expansion of a in a
9.519 * [backup-simplify]: Simplify 0 into 0
9.519 * [backup-simplify]: Simplify 1 into 1
9.519 * [backup-simplify]: Simplify (* 1 1) into 1
9.520 * [backup-simplify]: Simplify (/ 1 1) into 1
9.520 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
9.520 * [taylor]: Taking taylor expansion of (pow b 2) in a
9.520 * [taylor]: Taking taylor expansion of b in a
9.520 * [backup-simplify]: Simplify b into b
9.520 * [backup-simplify]: Simplify (* b b) into (pow b 2)
9.520 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
9.520 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
9.520 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
9.520 * [taylor]: Taking taylor expansion of (pow a 2) in a
9.520 * [taylor]: Taking taylor expansion of a in a
9.520 * [backup-simplify]: Simplify 0 into 0
9.520 * [backup-simplify]: Simplify 1 into 1
9.520 * [backup-simplify]: Simplify (* 1 1) into 1
9.520 * [backup-simplify]: Simplify (/ 1 1) into 1
9.521 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
9.521 * [taylor]: Taking taylor expansion of (pow b 2) in a
9.521 * [taylor]: Taking taylor expansion of b in a
9.521 * [backup-simplify]: Simplify b into b
9.521 * [backup-simplify]: Simplify (* b b) into (pow b 2)
9.521 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
9.521 * [backup-simplify]: Simplify (+ 1 0) into 1
9.521 * [taylor]: Taking taylor expansion of 1 in b
9.521 * [backup-simplify]: Simplify 1 into 1
9.521 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
9.522 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
9.522 * [backup-simplify]: Simplify (+ 0 0) into 0
9.522 * [taylor]: Taking taylor expansion of 0 in b
9.522 * [backup-simplify]: Simplify 0 into 0
9.523 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
9.523 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
9.523 * [backup-simplify]: Simplify (- (/ 1 (pow b 2))) into (- (/ 1 (pow b 2)))
9.524 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow b 2)))) into (- (/ 1 (pow b 2)))
9.524 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b
9.524 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
9.524 * [taylor]: Taking taylor expansion of (pow b 2) in b
9.524 * [taylor]: Taking taylor expansion of b in b
9.524 * [backup-simplify]: Simplify 0 into 0
9.524 * [backup-simplify]: Simplify 1 into 1
9.524 * [backup-simplify]: Simplify (* 1 1) into 1
9.524 * [backup-simplify]: Simplify (/ 1 1) into 1
9.524 * [backup-simplify]: Simplify (- 1) into -1
9.524 * [backup-simplify]: Simplify -1 into -1
9.524 * [backup-simplify]: Simplify 1 into 1
9.525 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
9.526 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
9.526 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
9.526 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))))) into 0
9.526 * [backup-simplify]: Simplify (- 0) into 0
9.526 * [backup-simplify]: Simplify (+ 0 0) into 0
9.526 * [taylor]: Taking taylor expansion of 0 in b
9.526 * [backup-simplify]: Simplify 0 into 0
9.527 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
9.527 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
9.528 * [backup-simplify]: Simplify (- 0) into 0
9.528 * [backup-simplify]: Simplify 0 into 0
9.528 * [backup-simplify]: Simplify 0 into 0
9.528 * [backup-simplify]: Simplify 0 into 0
9.528 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
9.529 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
9.529 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
9.530 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))) (* 0 (/ 0 (pow b 2))))) into 0
9.530 * [backup-simplify]: Simplify (- 0) into 0
9.530 * [backup-simplify]: Simplify (+ 0 0) into 0
9.530 * [taylor]: Taking taylor expansion of 0 in b
9.530 * [backup-simplify]: Simplify 0 into 0
9.531 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
9.531 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
9.531 * [backup-simplify]: Simplify (- 0) into 0
9.531 * [backup-simplify]: Simplify 0 into 0
9.531 * [backup-simplify]: Simplify 0 into 0
9.531 * [backup-simplify]: Simplify 0 into 0
9.532 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- a)))) 2)) (* -1 (pow (* (/ 1 (/ 1 (- b))) 1) 2))) into (- (pow a 2) (pow b 2))
9.532 * * * [progress]: simplifying candidates
9.532 * [simplify]: Simplifying:
  (fma a a (- (* b b)))
  (fma (- b) b (* b b))
  (expm1 (- (* a a) (* b b)))
  (log1p (- (* a a) (* b b)))
  (- (* b b))
  (/ (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))
9.533 * * [simplify]: iteration 0: 38 enodes
9.541 * * [simplify]: iteration 1: 101 enodes
9.593 * * [simplify]: iteration 2: 298 enodes
9.743 * * [simplify]: iteration 3: 1311 enodes
10.462 * * [simplify]: iteration complete: 5000 enodes
10.462 * * [simplify]: Extracting #0: cost 17 inf + 0
10.463 * * [simplify]: Extracting #1: cost 338 inf + 1
10.475 * * [simplify]: Extracting #2: cost 1282 inf + 10564
10.509 * * [simplify]: Extracting #3: cost 982 inf + 110959
10.602 * * [simplify]: Extracting #4: cost 243 inf + 281921
10.736 * * [simplify]: Extracting #5: cost 43 inf + 339752
10.847 * * [simplify]: Extracting #6: cost 6 inf + 350585
10.942 * * [simplify]: Extracting #7: cost 0 inf + 352343
11.052 * [simplify]: Simplified to:
  (* (+ b a) (- a b))
  0
  (expm1 (* (+ b a) (- a b)))
  (log1p (* (+ b a) (- a b)))
  (- (* b b))
  (exp (* (+ b a) (- a b)))
  (log (* (+ b a) (- a b)))
  (exp (* (+ b a) (- a b)))
  (* (cbrt (* (+ b a) (- a b))) (cbrt (* (+ b a) (- a b))))
  (cbrt (* (+ b a) (- a b)))
  (* (* (* (+ b a) (- a b)) (* (+ b a) (- a b))) (* (+ b a) (- a b)))
  (sqrt (* (+ b a) (- a b)))
  (sqrt (* (+ b a) (- a b)))
  (- (* (* a (* a a)) (* a (* a a))) (* (* (* b b) (* b b)) (* b b)))
  (fma (* a a) (* a a) (* (* b b) (fma a a (* b b))))
  (- (* b b))
  (- (* (* a a) (* a a)) (* (* b b) (* b b)))
  (fma a a (* b b))
  (+ b a)
  (- a b)
  (- (* b b))
  (* (+ b a) (- a b))
  (* (+ b a) (- a b))
  (* (+ b a) (- a b))
11.054 * * * [progress]: adding candidates to table
11.154 * * [progress]: iteration 2 / 4
11.154 * * * [progress]: picking best candidate
11.157 * * * * [pick]: Picked  #<alt (λ (a b) (* (+ a b) (- a b)))>
11.158 * * * [progress]: localizing error
11.164 * * * [progress]: generating rewritten candidates
11.164 * * * [progress]: generating series expansions
11.164 * * * [progress]: simplifying candidates
11.164 * [simplify]: Simplifying:
  
11.164 * * [simplify]: iteration 0: 0 enodes
11.165 * * [simplify]: iteration complete: 0 enodes
11.165 * * [simplify]: Extracting #0: cost 0 inf + 0
11.165 * [simplify]: Simplified to:
  
11.165 * * * [progress]: adding candidates to table
11.165 * [progress]: [Phase 3 of 3] Extracting.
11.168 * [simplify]: Simplifying:
  (* (+ a b) (- a b))
11.168 * * [simplify]: iteration 0: 5 enodes
11.169 * * [simplify]: iteration 1: 7 enodes
11.169 * * [simplify]: iteration complete: 7 enodes
11.169 * * [simplify]: Extracting #0: cost 1 inf + 0
11.169 * * [simplify]: Extracting #1: cost 3 inf + 0
11.169 * * [simplify]: Extracting #2: cost 5 inf + 0
11.169 * * [simplify]: Extracting #3: cost 3 inf + 2
11.169 * * [simplify]: Extracting #4: cost 0 inf + 208
11.169 * [simplify]: Simplified to:
  (* (+ b a) (- a b))
12.563 * [regime-testing]: Baseline error score: 0.0012501562695336917
12.572 * [regime-testing]: Oracle error score: 0.0012501562695336917
12.572 * [regime-testing]: End program error score: 0.0012501562695336917
12.676 * [regime-testing]: Target error score: 0.0012501562695336917