32.043 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.033 * * * [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]: Extracting # 0 : cost  0
0.035 * * [simplify]: Extracting # 1 : cost  0
0.035 * * [simplify]: Extracting # 2 : cost  0
0.035 * * [simplify]: Extracting # 3 : cost  0
0.035 * * [simplify]: Extracting # 4 : cost  0
0.035 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.037 * * [simplify]: Extracting # 0 : cost  0
0.037 * * [simplify]: Extracting # 1 : cost  0
0.037 * * [simplify]: Extracting # 2 : cost  0
0.037 * * [simplify]: iteration  1 :  11  enodes  (cost  7 )
0.040 * * [simplify]: Extracting # 0 : cost  0
0.040 * * [simplify]: Extracting # 1 : cost  0
0.040 * * [simplify]: Extracting # 2 : cost  0
0.040 * * [simplify]: iteration  2 :  18  enodes  (cost  7 )
0.045 * * [simplify]: Extracting # 0 : cost  0
0.045 * * [simplify]: Extracting # 1 : cost  0
0.045 * * [simplify]: Extracting # 2 : cost  0
0.045 * * [simplify]: iteration  3 :  35  enodes  (cost  7 )
0.054 * * [simplify]: Extracting # 0 : cost  0
0.054 * * [simplify]: Extracting # 1 : cost  0
0.054 * * [simplify]: Extracting # 2 : cost  0
0.054 * * [simplify]: iteration  4 :  67  enodes  (cost  7 )
0.087 * * [simplify]: Extracting # 0 : cost  0
0.087 * * [simplify]: Extracting # 1 : cost  0
0.087 * * [simplify]: Extracting # 2 : cost  0
0.087 * * [simplify]: iteration  5 :  160  enodes  (cost  7 )
0.162 * * [simplify]: Extracting # 0 : cost  0
0.162 * * [simplify]: Extracting # 1 : cost  0
0.163 * * [simplify]: Extracting # 2 : cost  0
0.163 * * [simplify]: iteration  6 :  271  enodes  (cost  7 )
0.324 * * [simplify]: Extracting # 0 : cost  0
0.324 * * [simplify]: Extracting # 1 : cost  0
0.325 * * [simplify]: Extracting # 2 : cost  0
0.325 * * [simplify]: Extracting # 3 : cost  0
0.326 * * [simplify]: iteration  7 :  514  enodes  (cost  7 )
1.282 * * [simplify]: Extracting # 0 : cost  0
1.284 * * [simplify]: Extracting # 1 : cost  0
1.286 * * [simplify]: Extracting # 2 : cost  0
1.287 * * [simplify]: Extracting # 3 : cost  0
1.289 * * [simplify]: Extracting # 4 : cost  0
1.290 * * [simplify]: iteration  8 :  1901  enodes  (cost  7 )
10.651 * * [simplify]: Extracting # 0 : cost  0
10.666 * * [simplify]: Extracting # 1 : cost  0
10.669 * * [simplify]: Extracting # 2 : cost  0
10.672 * * [simplify]: Extracting # 3 : cost  0
10.676 * * [simplify]: Extracting # 4 : cost  0
10.679 * * [simplify]: iteration done:  5001  enodes  (cost  7 )
10.679 * [simplify]: Simplified to:
  (- (* a a) (* b b))
10.679 * * [progress]: iteration 1 / 4
10.679 * * * [progress]: picking best candidate
10.681 * * * * [pick]: Picked  #<alt (λ (a b) (- (* a a) (* b b)))>
10.681 * * * [progress]: localizing error
10.686 * * * [progress]: generating rewritten candidates
10.686 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
10.696 * * * [progress]: generating series expansions
10.696 * * * * [progress]: [ 1 / 1 ] generating series at (2)
10.696 * [backup-simplify]: Simplify (- (* a a) (* b b)) into (- (pow a 2) (pow b 2))
10.696 * [approximate]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in (a b) around 0
10.696 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in b
10.696 * [taylor]: Taking taylor expansion of (pow a 2) in b
10.696 * [taylor]: Taking taylor expansion of a in b
10.696 * [backup-simplify]: Simplify a into a
10.696 * [taylor]: Taking taylor expansion of (pow b 2) in b
10.696 * [taylor]: Taking taylor expansion of b in b
10.696 * [backup-simplify]: Simplify 0 into 0
10.696 * [backup-simplify]: Simplify 1 into 1
10.696 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in a
10.696 * [taylor]: Taking taylor expansion of (pow a 2) in a
10.696 * [taylor]: Taking taylor expansion of a in a
10.696 * [backup-simplify]: Simplify 0 into 0
10.696 * [backup-simplify]: Simplify 1 into 1
10.696 * [taylor]: Taking taylor expansion of (pow b 2) in a
10.696 * [taylor]: Taking taylor expansion of b in a
10.696 * [backup-simplify]: Simplify b into b
10.696 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in a
10.697 * [taylor]: Taking taylor expansion of (pow a 2) in a
10.697 * [taylor]: Taking taylor expansion of a in a
10.697 * [backup-simplify]: Simplify 0 into 0
10.697 * [backup-simplify]: Simplify 1 into 1
10.697 * [taylor]: Taking taylor expansion of (pow b 2) in a
10.697 * [taylor]: Taking taylor expansion of b in a
10.697 * [backup-simplify]: Simplify b into b
10.697 * [backup-simplify]: Simplify (* b b) into (pow b 2)
10.697 * [backup-simplify]: Simplify (- (pow b 2)) into (- (pow b 2))
10.697 * [backup-simplify]: Simplify (+ 0 (- (pow b 2))) into (- (pow b 2))
10.697 * [taylor]: Taking taylor expansion of (- (pow b 2)) in b
10.697 * [taylor]: Taking taylor expansion of (pow b 2) in b
10.697 * [taylor]: Taking taylor expansion of b in b
10.697 * [backup-simplify]: Simplify 0 into 0
10.697 * [backup-simplify]: Simplify 1 into 1
10.697 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
10.698 * [backup-simplify]: Simplify (- 0) into 0
10.698 * [backup-simplify]: Simplify (+ 0 0) into 0
10.698 * [taylor]: Taking taylor expansion of 0 in b
10.698 * [backup-simplify]: Simplify 0 into 0
10.698 * [backup-simplify]: Simplify 0 into 0
10.698 * [backup-simplify]: Simplify (* 1 1) into 1
10.698 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
10.699 * [backup-simplify]: Simplify (- 0) into 0
10.699 * [backup-simplify]: Simplify (+ 1 0) into 1
10.699 * [taylor]: Taking taylor expansion of 1 in b
10.699 * [backup-simplify]: Simplify 1 into 1
10.699 * [backup-simplify]: Simplify 1 into 1
10.699 * [backup-simplify]: Simplify 0 into 0
10.699 * [backup-simplify]: Simplify (* 1 1) into 1
10.700 * [backup-simplify]: Simplify (- 1) into -1
10.700 * [backup-simplify]: Simplify -1 into -1
10.700 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
10.700 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (+ (* 0 0) (* 0 b)))) into 0
10.701 * [backup-simplify]: Simplify (- 0) into 0
10.701 * [backup-simplify]: Simplify (+ 0 0) into 0
10.701 * [taylor]: Taking taylor expansion of 0 in b
10.701 * [backup-simplify]: Simplify 0 into 0
10.701 * [backup-simplify]: Simplify 0 into 0
10.701 * [backup-simplify]: Simplify 0 into 0
10.701 * [backup-simplify]: Simplify 0 into 0
10.701 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
10.702 * [backup-simplify]: Simplify (- 0) into 0
10.702 * [backup-simplify]: Simplify 0 into 0
10.702 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
10.703 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 b))))) into 0
10.703 * [backup-simplify]: Simplify (- 0) into 0
10.703 * [backup-simplify]: Simplify (+ 0 0) into 0
10.703 * [taylor]: Taking taylor expansion of 0 in b
10.703 * [backup-simplify]: Simplify 0 into 0
10.703 * [backup-simplify]: Simplify 0 into 0
10.703 * [backup-simplify]: Simplify 0 into 0
10.704 * [backup-simplify]: Simplify (+ (* -1 (pow (* b 1) 2)) (* 1 (pow (* 1 a) 2))) into (- (pow a 2) (pow b 2))
10.704 * [backup-simplify]: Simplify (- (* (/ 1 a) (/ 1 a)) (* (/ 1 b) (/ 1 b))) into (- (/ 1 (pow a 2)) (/ 1 (pow b 2)))
10.704 * [approximate]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in (a b) around 0
10.704 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in b
10.704 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in b
10.704 * [taylor]: Taking taylor expansion of (pow a 2) in b
10.704 * [taylor]: Taking taylor expansion of a in b
10.704 * [backup-simplify]: Simplify a into a
10.704 * [backup-simplify]: Simplify (* a a) into (pow a 2)
10.704 * [backup-simplify]: Simplify (/ 1 (pow a 2)) into (/ 1 (pow a 2))
10.704 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
10.704 * [taylor]: Taking taylor expansion of (pow b 2) in b
10.704 * [taylor]: Taking taylor expansion of b in b
10.704 * [backup-simplify]: Simplify 0 into 0
10.704 * [backup-simplify]: Simplify 1 into 1
10.704 * [backup-simplify]: Simplify (* 1 1) into 1
10.705 * [backup-simplify]: Simplify (/ 1 1) into 1
10.705 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
10.705 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
10.705 * [taylor]: Taking taylor expansion of (pow a 2) in a
10.705 * [taylor]: Taking taylor expansion of a in a
10.705 * [backup-simplify]: Simplify 0 into 0
10.705 * [backup-simplify]: Simplify 1 into 1
10.705 * [backup-simplify]: Simplify (* 1 1) into 1
10.705 * [backup-simplify]: Simplify (/ 1 1) into 1
10.705 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
10.705 * [taylor]: Taking taylor expansion of (pow b 2) in a
10.705 * [taylor]: Taking taylor expansion of b in a
10.705 * [backup-simplify]: Simplify b into b
10.705 * [backup-simplify]: Simplify (* b b) into (pow b 2)
10.705 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
10.705 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
10.705 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
10.705 * [taylor]: Taking taylor expansion of (pow a 2) in a
10.705 * [taylor]: Taking taylor expansion of a in a
10.706 * [backup-simplify]: Simplify 0 into 0
10.706 * [backup-simplify]: Simplify 1 into 1
10.706 * [backup-simplify]: Simplify (* 1 1) into 1
10.706 * [backup-simplify]: Simplify (/ 1 1) into 1
10.706 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
10.706 * [taylor]: Taking taylor expansion of (pow b 2) in a
10.706 * [taylor]: Taking taylor expansion of b in a
10.706 * [backup-simplify]: Simplify b into b
10.706 * [backup-simplify]: Simplify (* b b) into (pow b 2)
10.706 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
10.707 * [backup-simplify]: Simplify (+ 1 0) into 1
10.707 * [taylor]: Taking taylor expansion of 1 in b
10.707 * [backup-simplify]: Simplify 1 into 1
10.707 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
10.707 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
10.708 * [backup-simplify]: Simplify (+ 0 0) into 0
10.708 * [taylor]: Taking taylor expansion of 0 in b
10.708 * [backup-simplify]: Simplify 0 into 0
10.708 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
10.709 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.709 * [backup-simplify]: Simplify (- (/ 1 (pow b 2))) into (- (/ 1 (pow b 2)))
10.709 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow b 2)))) into (- (/ 1 (pow b 2)))
10.709 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b
10.709 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
10.709 * [taylor]: Taking taylor expansion of (pow b 2) in b
10.709 * [taylor]: Taking taylor expansion of b in b
10.709 * [backup-simplify]: Simplify 0 into 0
10.709 * [backup-simplify]: Simplify 1 into 1
10.709 * [backup-simplify]: Simplify (* 1 1) into 1
10.709 * [backup-simplify]: Simplify (/ 1 1) into 1
10.710 * [backup-simplify]: Simplify (- 1) into -1
10.710 * [backup-simplify]: Simplify -1 into -1
10.710 * [backup-simplify]: Simplify 1 into 1
10.710 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
10.711 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.711 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
10.711 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))))) into 0
10.711 * [backup-simplify]: Simplify (- 0) into 0
10.712 * [backup-simplify]: Simplify (+ 0 0) into 0
10.712 * [taylor]: Taking taylor expansion of 0 in b
10.712 * [backup-simplify]: Simplify 0 into 0
10.712 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
10.712 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
10.713 * [backup-simplify]: Simplify (- 0) into 0
10.713 * [backup-simplify]: Simplify 0 into 0
10.713 * [backup-simplify]: Simplify 0 into 0
10.713 * [backup-simplify]: Simplify 0 into 0
10.713 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
10.714 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.714 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
10.715 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))) (* 0 (/ 0 (pow b 2))))) into 0
10.715 * [backup-simplify]: Simplify (- 0) into 0
10.715 * [backup-simplify]: Simplify (+ 0 0) into 0
10.715 * [taylor]: Taking taylor expansion of 0 in b
10.715 * [backup-simplify]: Simplify 0 into 0
10.716 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
10.716 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.716 * [backup-simplify]: Simplify (- 0) into 0
10.717 * [backup-simplify]: Simplify 0 into 0
10.717 * [backup-simplify]: Simplify 0 into 0
10.717 * [backup-simplify]: Simplify 0 into 0
10.717 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 a))) 2)) (* -1 (pow (* (/ 1 (/ 1 b)) 1) 2))) into (- (pow a 2) (pow b 2))
10.717 * [backup-simplify]: Simplify (- (* (/ 1 (- a)) (/ 1 (- a))) (* (/ 1 (- b)) (/ 1 (- b)))) into (- (/ 1 (pow a 2)) (/ 1 (pow b 2)))
10.717 * [approximate]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in (a b) around 0
10.717 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in b
10.717 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in b
10.717 * [taylor]: Taking taylor expansion of (pow a 2) in b
10.717 * [taylor]: Taking taylor expansion of a in b
10.717 * [backup-simplify]: Simplify a into a
10.717 * [backup-simplify]: Simplify (* a a) into (pow a 2)
10.717 * [backup-simplify]: Simplify (/ 1 (pow a 2)) into (/ 1 (pow a 2))
10.717 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
10.717 * [taylor]: Taking taylor expansion of (pow b 2) in b
10.717 * [taylor]: Taking taylor expansion of b in b
10.717 * [backup-simplify]: Simplify 0 into 0
10.717 * [backup-simplify]: Simplify 1 into 1
10.718 * [backup-simplify]: Simplify (* 1 1) into 1
10.718 * [backup-simplify]: Simplify (/ 1 1) into 1
10.718 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
10.718 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
10.718 * [taylor]: Taking taylor expansion of (pow a 2) in a
10.718 * [taylor]: Taking taylor expansion of a in a
10.718 * [backup-simplify]: Simplify 0 into 0
10.718 * [backup-simplify]: Simplify 1 into 1
10.718 * [backup-simplify]: Simplify (* 1 1) into 1
10.718 * [backup-simplify]: Simplify (/ 1 1) into 1
10.718 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
10.718 * [taylor]: Taking taylor expansion of (pow b 2) in a
10.718 * [taylor]: Taking taylor expansion of b in a
10.719 * [backup-simplify]: Simplify b into b
10.719 * [backup-simplify]: Simplify (* b b) into (pow b 2)
10.719 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
10.719 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
10.719 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
10.719 * [taylor]: Taking taylor expansion of (pow a 2) in a
10.719 * [taylor]: Taking taylor expansion of a in a
10.719 * [backup-simplify]: Simplify 0 into 0
10.719 * [backup-simplify]: Simplify 1 into 1
10.719 * [backup-simplify]: Simplify (* 1 1) into 1
10.723 * [backup-simplify]: Simplify (/ 1 1) into 1
10.723 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
10.723 * [taylor]: Taking taylor expansion of (pow b 2) in a
10.723 * [taylor]: Taking taylor expansion of b in a
10.723 * [backup-simplify]: Simplify b into b
10.723 * [backup-simplify]: Simplify (* b b) into (pow b 2)
10.724 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
10.724 * [backup-simplify]: Simplify (+ 1 0) into 1
10.724 * [taylor]: Taking taylor expansion of 1 in b
10.724 * [backup-simplify]: Simplify 1 into 1
10.725 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
10.725 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
10.726 * [backup-simplify]: Simplify (+ 0 0) into 0
10.726 * [taylor]: Taking taylor expansion of 0 in b
10.726 * [backup-simplify]: Simplify 0 into 0
10.726 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
10.727 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.727 * [backup-simplify]: Simplify (- (/ 1 (pow b 2))) into (- (/ 1 (pow b 2)))
10.727 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow b 2)))) into (- (/ 1 (pow b 2)))
10.727 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b
10.727 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
10.727 * [taylor]: Taking taylor expansion of (pow b 2) in b
10.727 * [taylor]: Taking taylor expansion of b in b
10.727 * [backup-simplify]: Simplify 0 into 0
10.727 * [backup-simplify]: Simplify 1 into 1
10.727 * [backup-simplify]: Simplify (* 1 1) into 1
10.728 * [backup-simplify]: Simplify (/ 1 1) into 1
10.728 * [backup-simplify]: Simplify (- 1) into -1
10.728 * [backup-simplify]: Simplify -1 into -1
10.728 * [backup-simplify]: Simplify 1 into 1
10.728 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
10.729 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.729 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
10.729 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))))) into 0
10.729 * [backup-simplify]: Simplify (- 0) into 0
10.730 * [backup-simplify]: Simplify (+ 0 0) into 0
10.730 * [taylor]: Taking taylor expansion of 0 in b
10.730 * [backup-simplify]: Simplify 0 into 0
10.730 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
10.731 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
10.731 * [backup-simplify]: Simplify (- 0) into 0
10.731 * [backup-simplify]: Simplify 0 into 0
10.731 * [backup-simplify]: Simplify 0 into 0
10.731 * [backup-simplify]: Simplify 0 into 0
10.732 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
10.732 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.732 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
10.733 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))) (* 0 (/ 0 (pow b 2))))) into 0
10.733 * [backup-simplify]: Simplify (- 0) into 0
10.733 * [backup-simplify]: Simplify (+ 0 0) into 0
10.733 * [taylor]: Taking taylor expansion of 0 in b
10.733 * [backup-simplify]: Simplify 0 into 0
10.734 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
10.734 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.735 * [backup-simplify]: Simplify (- 0) into 0
10.735 * [backup-simplify]: Simplify 0 into 0
10.735 * [backup-simplify]: Simplify 0 into 0
10.735 * [backup-simplify]: Simplify 0 into 0
10.735 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- a)))) 2)) (* -1 (pow (* (/ 1 (/ 1 (- b))) 1) 2))) into (- (pow a 2) (pow b 2))
10.735 * * * [progress]: simplifying candidates
10.735 * [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))
10.736 * * [simplify]: Extracting # 0 : cost  0
10.736 * * [simplify]: Extracting # 1 : cost  0
10.736 * * [simplify]: Extracting # 2 : cost  0
10.736 * * [simplify]: Extracting # 3 : cost  0
10.736 * * [simplify]: Extracting # 4 : cost  0
10.736 * * [simplify]: Extracting # 5 : cost  0
10.736 * * [simplify]: iteration  0 :  38  enodes  (cost  214 )
10.745 * * [simplify]: Extracting # 0 : cost  0
10.745 * * [simplify]: Extracting # 1 : cost  0
10.745 * * [simplify]: Extracting # 2 : cost  0
10.745 * * [simplify]: Extracting # 3 : cost  0
10.745 * * [simplify]: Extracting # 4 : cost  0
10.745 * * [simplify]: iteration  1 :  100  enodes  (cost  205 )
10.795 * * [simplify]: Extracting # 0 : cost  0
10.796 * * [simplify]: Extracting # 1 : cost  0
10.796 * * [simplify]: Extracting # 2 : cost  0
10.796 * * [simplify]: Extracting # 3 : cost  0
10.797 * * [simplify]: Extracting # 4 : cost  0
10.797 * * [simplify]: iteration  2 :  291  enodes  (cost  175 )
10.918 * * [simplify]: Extracting # 0 : cost  0
10.920 * * [simplify]: Extracting # 1 : cost  0
10.921 * * [simplify]: Extracting # 2 : cost  0
10.923 * * [simplify]: Extracting # 3 : cost  0
10.924 * * [simplify]: Extracting # 4 : cost  0
10.925 * * [simplify]: iteration  3 :  922  enodes  (cost  175 )
11.944 * * [simplify]: Extracting # 0 : cost  0
11.951 * * [simplify]: Extracting # 1 : cost  0
11.956 * * [simplify]: Extracting # 2 : cost  0
11.961 * * [simplify]: Extracting # 3 : cost  0
11.967 * * [simplify]: Extracting # 4 : cost  0
11.973 * * [simplify]: iteration  4 :  4017  enodes  (cost  170 )
13.217 * * [simplify]: Extracting # 0 : cost  0
13.222 * * [simplify]: Extracting # 1 : cost  0
13.233 * * [simplify]: iteration done:  5000  enodes  (cost  170 )
13.233 * [simplify]: Simplified to:
  (fma a a (- (* b b)))
  0
  (expm1 (- (* a a) (* b b)))
  (log1p (- (* a a) (* b b)))
  (- (* b b))
  (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 (fma a a (- (* b b))) 3)
  (sqrt (- (* a a) (* b b)))
  (sqrt (- (* a a) (* b b)))
  (- (pow a 6) (pow b 6))
  (fma (* b b) (fma a a (pow b 2)) (pow a 4))
  (- (* b b))
  (- (pow a 4) (pow b 4))
  (fma a a (pow b 2))
  (+ a b)
  (- a b)
  (- (* b b))
  (fma a a (- (* b b)))
  (fma a a (- (* b b)))
  (fma a a (- (* b b)))
13.233 * * * [progress]: adding candidates to table
13.277 * * [progress]: iteration 2 / 4
13.277 * * * [progress]: picking best candidate
13.279 * * * * [pick]: Picked  #<alt (λ (a b) (* (+ a b) (- a b)))>
13.279 * * * [progress]: localizing error
13.288 * * * [progress]: generating rewritten candidates
13.288 * * * [progress]: generating series expansions
13.288 * * * [progress]: simplifying candidates
13.288 * [simplify]: Simplifying:
  
13.288 * * [simplify]: Extracting # 0 : cost  0
13.289 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
13.289 * * [simplify]: Extracting # 0 : cost  0
13.289 * * [simplify]: iteration done:  0  enodes  (cost  0 )
13.289 * [simplify]: Simplified to:
  
13.289 * * * [progress]: adding candidates to table
13.289 * [progress]: [Phase 3 of 3] Extracting.
13.291 * [simplify]: Simplifying:
  (* (+ a b) (- a b))
13.291 * * [simplify]: Extracting # 0 : cost  0
13.291 * * [simplify]: Extracting # 1 : cost  0
13.292 * * [simplify]: Extracting # 2 : cost  0
13.292 * * [simplify]: Extracting # 3 : cost  0
13.292 * * [simplify]: Extracting # 4 : cost  0
13.292 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
13.292 * * [simplify]: Extracting # 0 : cost  0
13.292 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
13.293 * * [simplify]: Extracting # 0 : cost  0
13.293 * * [simplify]: iteration done:  7  enodes  (cost  7 )
13.293 * [simplify]: Simplified to:
  (* (+ a b) (- a b))
14.812 * [regime-testing]: Baseline error score: 0.0010001250156269534
14.814 * [regime-testing]: Oracle error score: 0.0010001250156269534
14.814 * [regime-testing]: End program error score: 0.0010001250156269534
14.848 * [regime-testing]: Target error score: 0.0010001250156269534