10.402 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.033 * * * [progress]: [2/2] Setting up program.
0.036 * [progress]: [Phase 2 of 3] Improving.
0.036 * [simplify]: Simplifying:
  (- (+ x y) (* x y))
0.036 * * [simplify]: Extracting # 0 : cost  0
0.037 * * [simplify]: Extracting # 1 : cost  0
0.037 * * [simplify]: Extracting # 2 : cost  0
0.037 * * [simplify]: Extracting # 3 : cost  0
0.037 * * [simplify]: Extracting # 4 : cost  0
0.037 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.039 * * [simplify]: Extracting # 0 : cost  0
0.039 * * [simplify]: Extracting # 1 : cost  0
0.039 * * [simplify]: Extracting # 2 : cost  0
0.039 * * [simplify]: iteration  1 :  11  enodes  (cost  7 )
0.043 * * [simplify]: Extracting # 0 : cost  0
0.043 * * [simplify]: Extracting # 1 : cost  0
0.043 * * [simplify]: Extracting # 2 : cost  0
0.043 * * [simplify]: iteration  2 :  25  enodes  (cost  7 )
0.051 * * [simplify]: Extracting # 0 : cost  0
0.051 * * [simplify]: Extracting # 1 : cost  0
0.051 * * [simplify]: Extracting # 2 : cost  0
0.052 * * [simplify]: Extracting # 3 : cost  0
0.052 * * [simplify]: iteration  3 :  38  enodes  (cost  7 )
0.063 * * [simplify]: Extracting # 0 : cost  0
0.063 * * [simplify]: Extracting # 1 : cost  0
0.063 * * [simplify]: Extracting # 2 : cost  0
0.063 * * [simplify]: iteration  4 :  49  enodes  (cost  7 )
0.078 * * [simplify]: Extracting # 0 : cost  0
0.078 * * [simplify]: Extracting # 1 : cost  0
0.078 * * [simplify]: Extracting # 2 : cost  0
0.078 * * [simplify]: iteration  5 :  71  enodes  (cost  7 )
0.108 * * [simplify]: Extracting # 0 : cost  0
0.108 * * [simplify]: Extracting # 1 : cost  0
0.108 * * [simplify]: Extracting # 2 : cost  0
0.108 * * [simplify]: iteration  6 :  273  enodes  (cost  7 )
0.202 * * [simplify]: Extracting # 0 : cost  0
0.203 * * [simplify]: Extracting # 1 : cost  0
0.205 * * [simplify]: Extracting # 2 : cost  0
0.206 * * [simplify]: iteration  7 :  919  enodes  (cost  7 )
1.379 * * [simplify]: Extracting # 0 : cost  0
1.384 * * [simplify]: Extracting # 1 : cost  0
1.392 * * [simplify]: Extracting # 2 : cost  0
1.397 * * [simplify]: iteration  8 :  4694  enodes  (cost  7 )
4.649 * * [simplify]: Extracting # 0 : cost  0
4.654 * * [simplify]: Extracting # 1 : cost  0
4.662 * * [simplify]: Extracting # 2 : cost  0
4.670 * * [simplify]: iteration done:  5000  enodes  (cost  7 )
4.670 * [simplify]: Simplified to:
  (- (+ x y) (* x y))
4.671 * * [progress]: iteration 1 / 4
4.671 * * * [progress]: picking best candidate
4.673 * * * * [pick]: Picked  #<alt (λ (x y) (- (+ x y) (* x y)))>
4.673 * * * [progress]: localizing error
4.681 * * * [progress]: generating rewritten candidates
4.681 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
4.724 * * * [progress]: generating series expansions
4.724 * * * * [progress]: [ 1 / 1 ] generating series at (2)
4.724 * [backup-simplify]: Simplify (- (+ x y) (* x y)) into (- (+ x y) (* x y))
4.725 * [approximate]: Taking taylor expansion of (- (+ x y) (* x y)) in (x y) around 0
4.725 * [taylor]: Taking taylor expansion of (- (+ x y) (* x y)) in y
4.725 * [taylor]: Taking taylor expansion of (+ x y) in y
4.725 * [taylor]: Taking taylor expansion of x in y
4.725 * [backup-simplify]: Simplify x into x
4.725 * [taylor]: Taking taylor expansion of y in y
4.725 * [backup-simplify]: Simplify 0 into 0
4.725 * [backup-simplify]: Simplify 1 into 1
4.725 * [taylor]: Taking taylor expansion of (* x y) in y
4.725 * [taylor]: Taking taylor expansion of x in y
4.725 * [backup-simplify]: Simplify x into x
4.725 * [taylor]: Taking taylor expansion of y in y
4.725 * [backup-simplify]: Simplify 0 into 0
4.725 * [backup-simplify]: Simplify 1 into 1
4.725 * [taylor]: Taking taylor expansion of (- (+ x y) (* x y)) in x
4.725 * [taylor]: Taking taylor expansion of (+ x y) in x
4.725 * [taylor]: Taking taylor expansion of x in x
4.725 * [backup-simplify]: Simplify 0 into 0
4.725 * [backup-simplify]: Simplify 1 into 1
4.725 * [taylor]: Taking taylor expansion of y in x
4.725 * [backup-simplify]: Simplify y into y
4.725 * [taylor]: Taking taylor expansion of (* x y) in x
4.725 * [taylor]: Taking taylor expansion of x in x
4.725 * [backup-simplify]: Simplify 0 into 0
4.725 * [backup-simplify]: Simplify 1 into 1
4.725 * [taylor]: Taking taylor expansion of y in x
4.725 * [backup-simplify]: Simplify y into y
4.725 * [taylor]: Taking taylor expansion of (- (+ x y) (* x y)) in x
4.725 * [taylor]: Taking taylor expansion of (+ x y) in x
4.725 * [taylor]: Taking taylor expansion of x in x
4.725 * [backup-simplify]: Simplify 0 into 0
4.725 * [backup-simplify]: Simplify 1 into 1
4.725 * [taylor]: Taking taylor expansion of y in x
4.725 * [backup-simplify]: Simplify y into y
4.725 * [taylor]: Taking taylor expansion of (* x y) in x
4.725 * [taylor]: Taking taylor expansion of x in x
4.725 * [backup-simplify]: Simplify 0 into 0
4.725 * [backup-simplify]: Simplify 1 into 1
4.725 * [taylor]: Taking taylor expansion of y in x
4.725 * [backup-simplify]: Simplify y into y
4.725 * [backup-simplify]: Simplify (+ 0 y) into y
4.725 * [backup-simplify]: Simplify (* 0 y) into 0
4.726 * [backup-simplify]: Simplify (- 0) into 0
4.726 * [backup-simplify]: Simplify (+ y 0) into y
4.726 * [taylor]: Taking taylor expansion of y in y
4.726 * [backup-simplify]: Simplify 0 into 0
4.726 * [backup-simplify]: Simplify 1 into 1
4.726 * [backup-simplify]: Simplify 0 into 0
4.726 * [backup-simplify]: Simplify (+ 1 0) into 1
4.726 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
4.726 * [backup-simplify]: Simplify (- y) into (- y)
4.726 * [backup-simplify]: Simplify (+ 1 (- y)) into (- 1 y)
4.726 * [taylor]: Taking taylor expansion of (- 1 y) in y
4.726 * [taylor]: Taking taylor expansion of 1 in y
4.726 * [backup-simplify]: Simplify 1 into 1
4.726 * [taylor]: Taking taylor expansion of y in y
4.726 * [backup-simplify]: Simplify 0 into 0
4.726 * [backup-simplify]: Simplify 1 into 1
4.727 * [backup-simplify]: Simplify (- 0) into 0
4.727 * [backup-simplify]: Simplify (+ 1 0) into 1
4.727 * [backup-simplify]: Simplify 1 into 1
4.727 * [backup-simplify]: Simplify 1 into 1
4.727 * [backup-simplify]: Simplify (+ 0 0) into 0
4.728 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
4.728 * [backup-simplify]: Simplify (- 0) into 0
4.728 * [backup-simplify]: Simplify (+ 0 0) into 0
4.728 * [taylor]: Taking taylor expansion of 0 in y
4.728 * [backup-simplify]: Simplify 0 into 0
4.728 * [backup-simplify]: Simplify 0 into 0
4.728 * [backup-simplify]: Simplify (- 1) into -1
4.729 * [backup-simplify]: Simplify (+ 0 -1) into -1
4.729 * [backup-simplify]: Simplify -1 into -1
4.729 * [backup-simplify]: Simplify (+ (* -1 (* y x)) (+ (* 1 (* y 1)) (* 1 (* 1 x)))) into (- (+ x y) (* x y))
4.729 * [backup-simplify]: Simplify (- (+ (/ 1 x) (/ 1 y)) (* (/ 1 x) (/ 1 y))) into (- (+ (/ 1 y) (/ 1 x)) (/ 1 (* x y)))
4.729 * [approximate]: Taking taylor expansion of (- (+ (/ 1 y) (/ 1 x)) (/ 1 (* x y))) in (x y) around 0
4.729 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) (/ 1 x)) (/ 1 (* x y))) in y
4.729 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
4.729 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.729 * [taylor]: Taking taylor expansion of y in y
4.729 * [backup-simplify]: Simplify 0 into 0
4.729 * [backup-simplify]: Simplify 1 into 1
4.729 * [backup-simplify]: Simplify (/ 1 1) into 1
4.729 * [taylor]: Taking taylor expansion of (/ 1 x) in y
4.729 * [taylor]: Taking taylor expansion of x in y
4.729 * [backup-simplify]: Simplify x into x
4.729 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.730 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
4.730 * [taylor]: Taking taylor expansion of (* x y) in y
4.730 * [taylor]: Taking taylor expansion of x in y
4.730 * [backup-simplify]: Simplify x into x
4.730 * [taylor]: Taking taylor expansion of y in y
4.730 * [backup-simplify]: Simplify 0 into 0
4.730 * [backup-simplify]: Simplify 1 into 1
4.730 * [backup-simplify]: Simplify (* x 0) into 0
4.730 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
4.730 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.730 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) (/ 1 x)) (/ 1 (* x y))) in x
4.730 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
4.730 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.730 * [taylor]: Taking taylor expansion of y in x
4.730 * [backup-simplify]: Simplify y into y
4.730 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.730 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.730 * [taylor]: Taking taylor expansion of x in x
4.730 * [backup-simplify]: Simplify 0 into 0
4.730 * [backup-simplify]: Simplify 1 into 1
4.730 * [backup-simplify]: Simplify (/ 1 1) into 1
4.730 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
4.730 * [taylor]: Taking taylor expansion of (* x y) in x
4.730 * [taylor]: Taking taylor expansion of x in x
4.730 * [backup-simplify]: Simplify 0 into 0
4.730 * [backup-simplify]: Simplify 1 into 1
4.730 * [taylor]: Taking taylor expansion of y in x
4.730 * [backup-simplify]: Simplify y into y
4.730 * [backup-simplify]: Simplify (* 0 y) into 0
4.731 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
4.731 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.731 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) (/ 1 x)) (/ 1 (* x y))) in x
4.731 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
4.731 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.731 * [taylor]: Taking taylor expansion of y in x
4.731 * [backup-simplify]: Simplify y into y
4.731 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.731 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.731 * [taylor]: Taking taylor expansion of x in x
4.731 * [backup-simplify]: Simplify 0 into 0
4.731 * [backup-simplify]: Simplify 1 into 1
4.731 * [backup-simplify]: Simplify (/ 1 1) into 1
4.731 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
4.731 * [taylor]: Taking taylor expansion of (* x y) in x
4.731 * [taylor]: Taking taylor expansion of x in x
4.731 * [backup-simplify]: Simplify 0 into 0
4.731 * [backup-simplify]: Simplify 1 into 1
4.731 * [taylor]: Taking taylor expansion of y in x
4.731 * [backup-simplify]: Simplify y into y
4.731 * [backup-simplify]: Simplify (* 0 y) into 0
4.732 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
4.732 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.732 * [backup-simplify]: Simplify (+ 0 1) into 1
4.732 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
4.732 * [backup-simplify]: Simplify (+ 1 (- (/ 1 y))) into (- 1 (/ 1 y))
4.732 * [taylor]: Taking taylor expansion of (- 1 (/ 1 y)) in y
4.732 * [taylor]: Taking taylor expansion of 1 in y
4.732 * [backup-simplify]: Simplify 1 into 1
4.732 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.732 * [taylor]: Taking taylor expansion of y in y
4.732 * [backup-simplify]: Simplify 0 into 0
4.732 * [backup-simplify]: Simplify 1 into 1
4.732 * [backup-simplify]: Simplify (/ 1 1) into 1
4.733 * [backup-simplify]: Simplify (- 1) into -1
4.733 * [backup-simplify]: Simplify (+ 0 -1) into -1
4.733 * [backup-simplify]: Simplify -1 into -1
4.733 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.733 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
4.734 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
4.734 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
4.734 * [backup-simplify]: Simplify (- 0) into 0
4.734 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
4.734 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.734 * [taylor]: Taking taylor expansion of y in y
4.734 * [backup-simplify]: Simplify 0 into 0
4.734 * [backup-simplify]: Simplify 1 into 1
4.735 * [backup-simplify]: Simplify (/ 1 1) into 1
4.735 * [backup-simplify]: Simplify 1 into 1
4.735 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.735 * [backup-simplify]: Simplify (- 0) into 0
4.735 * [backup-simplify]: Simplify (+ 1 0) into 1
4.736 * [backup-simplify]: Simplify 1 into 1
4.736 * [backup-simplify]: Simplify (+ (* 1 (* 1 (/ 1 (/ 1 x)))) (+ (* 1 (* (/ 1 (/ 1 y)) 1)) (* -1 (* (/ 1 (/ 1 y)) (/ 1 (/ 1 x)))))) into (- (+ x y) (* x y))
4.736 * [backup-simplify]: Simplify (- (+ (/ 1 (- x)) (/ 1 (- y))) (* (/ 1 (- x)) (/ 1 (- y)))) into (- (+ (/ 1 (* x y)) (+ (/ 1 y) (/ 1 x))))
4.736 * [approximate]: Taking taylor expansion of (- (+ (/ 1 (* x y)) (+ (/ 1 y) (/ 1 x)))) in (x y) around 0
4.736 * [taylor]: Taking taylor expansion of (- (+ (/ 1 (* x y)) (+ (/ 1 y) (/ 1 x)))) in y
4.736 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (+ (/ 1 y) (/ 1 x))) in y
4.736 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
4.736 * [taylor]: Taking taylor expansion of (* x y) in y
4.736 * [taylor]: Taking taylor expansion of x in y
4.736 * [backup-simplify]: Simplify x into x
4.736 * [taylor]: Taking taylor expansion of y in y
4.736 * [backup-simplify]: Simplify 0 into 0
4.736 * [backup-simplify]: Simplify 1 into 1
4.736 * [backup-simplify]: Simplify (* x 0) into 0
4.736 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
4.736 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.736 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
4.736 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.737 * [taylor]: Taking taylor expansion of y in y
4.737 * [backup-simplify]: Simplify 0 into 0
4.737 * [backup-simplify]: Simplify 1 into 1
4.737 * [backup-simplify]: Simplify (/ 1 1) into 1
4.737 * [taylor]: Taking taylor expansion of (/ 1 x) in y
4.737 * [taylor]: Taking taylor expansion of x in y
4.737 * [backup-simplify]: Simplify x into x
4.737 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.737 * [taylor]: Taking taylor expansion of (- (+ (/ 1 (* x y)) (+ (/ 1 y) (/ 1 x)))) in x
4.737 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (+ (/ 1 y) (/ 1 x))) in x
4.737 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
4.737 * [taylor]: Taking taylor expansion of (* x y) in x
4.737 * [taylor]: Taking taylor expansion of x in x
4.737 * [backup-simplify]: Simplify 0 into 0
4.737 * [backup-simplify]: Simplify 1 into 1
4.737 * [taylor]: Taking taylor expansion of y in x
4.737 * [backup-simplify]: Simplify y into y
4.737 * [backup-simplify]: Simplify (* 0 y) into 0
4.737 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
4.737 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.737 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
4.737 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.737 * [taylor]: Taking taylor expansion of y in x
4.737 * [backup-simplify]: Simplify y into y
4.737 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.737 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.737 * [taylor]: Taking taylor expansion of x in x
4.737 * [backup-simplify]: Simplify 0 into 0
4.738 * [backup-simplify]: Simplify 1 into 1
4.738 * [backup-simplify]: Simplify (/ 1 1) into 1
4.738 * [taylor]: Taking taylor expansion of (- (+ (/ 1 (* x y)) (+ (/ 1 y) (/ 1 x)))) in x
4.738 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (+ (/ 1 y) (/ 1 x))) in x
4.738 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
4.738 * [taylor]: Taking taylor expansion of (* x y) in x
4.738 * [taylor]: Taking taylor expansion of x in x
4.738 * [backup-simplify]: Simplify 0 into 0
4.738 * [backup-simplify]: Simplify 1 into 1
4.738 * [taylor]: Taking taylor expansion of y in x
4.738 * [backup-simplify]: Simplify y into y
4.738 * [backup-simplify]: Simplify (* 0 y) into 0
4.738 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
4.738 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.738 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
4.738 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.738 * [taylor]: Taking taylor expansion of y in x
4.738 * [backup-simplify]: Simplify y into y
4.738 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.738 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.738 * [taylor]: Taking taylor expansion of x in x
4.738 * [backup-simplify]: Simplify 0 into 0
4.738 * [backup-simplify]: Simplify 1 into 1
4.739 * [backup-simplify]: Simplify (/ 1 1) into 1
4.739 * [backup-simplify]: Simplify (+ 0 1) into 1
4.743 * [backup-simplify]: Simplify (+ (/ 1 y) 1) into (+ (/ 1 y) 1)
4.743 * [backup-simplify]: Simplify (- (+ (/ 1 y) 1)) into (- (+ (/ 1 y) 1))
4.743 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) 1)) in y
4.743 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1) in y
4.743 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.743 * [taylor]: Taking taylor expansion of y in y
4.743 * [backup-simplify]: Simplify 0 into 0
4.743 * [backup-simplify]: Simplify 1 into 1
4.745 * [backup-simplify]: Simplify (/ 1 1) into 1
4.745 * [taylor]: Taking taylor expansion of 1 in y
4.745 * [backup-simplify]: Simplify 1 into 1
4.745 * [backup-simplify]: Simplify (+ 1 0) into 1
4.745 * [backup-simplify]: Simplify (- 1) into -1
4.745 * [backup-simplify]: Simplify -1 into -1
4.746 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
4.746 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
4.747 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.747 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
4.747 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
4.747 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
4.747 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
4.747 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.747 * [taylor]: Taking taylor expansion of y in y
4.747 * [backup-simplify]: Simplify 0 into 0
4.747 * [backup-simplify]: Simplify 1 into 1
4.747 * [backup-simplify]: Simplify (/ 1 1) into 1
4.748 * [backup-simplify]: Simplify (- 1) into -1
4.748 * [backup-simplify]: Simplify -1 into -1
4.748 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.749 * [backup-simplify]: Simplify (+ 0 1) into 1
4.749 * [backup-simplify]: Simplify (- 1) into -1
4.749 * [backup-simplify]: Simplify -1 into -1
4.750 * [backup-simplify]: Simplify (+ (* -1 (* 1 (/ 1 (/ 1 (- x))))) (+ (* -1 (* (/ 1 (/ 1 (- y))) 1)) (* -1 (* (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x))))))) into (- (+ x y) (* x y))
4.750 * * * [progress]: simplifying candidates
4.750 * [simplify]: Simplifying:
  (/ (* (exp x) (exp y)) (exp (* x y)))
  (/ (exp (+ x y)) (exp (* x y)))
  (log (- (+ x y) (* x y)))
  (exp (- (+ x y) (* x y)))
  (* (cbrt (- (+ x y) (* x y))) (cbrt (- (+ x y) (* x y))))
  (cbrt (- (+ x y) (* x y)))
  (* (* (- (+ x y) (* x y)) (- (+ x y) (* x y))) (- (+ x y) (* x y)))
  (sqrt (- (+ x y) (* x y)))
  (sqrt (- (+ x y) (* x y)))
  (- (pow (+ x y) 3) (pow (* x y) 3))
  (+ (* (+ x y) (+ x y)) (+ (* (* x y) (* x y)) (* (+ x y) (* x y))))
  (- (* x y))
  (- (* (+ x y) (+ x y)) (* (* x y) (* x y)))
  (+ (+ x y) (* x y))
  (- y (* x y))
  (- (* x y))
  (- (+ x y) (* x y))
  (- (+ x y) (* x y))
  (- (+ x y) (* x y))
4.751 * * [simplify]: Extracting # 0 : cost  0
4.751 * * [simplify]: Extracting # 1 : cost  0
4.751 * * [simplify]: Extracting # 2 : cost  0
4.751 * * [simplify]: Extracting # 3 : cost  0
4.751 * * [simplify]: Extracting # 4 : cost  0
4.751 * * [simplify]: Extracting # 5 : cost  0
4.752 * * [simplify]: Extracting # 6 : cost  0
4.752 * * [simplify]: iteration  0 :  32  enodes  (cost  189 )
4.762 * * [simplify]: Extracting # 0 : cost  0
4.762 * * [simplify]: Extracting # 1 : cost  0
4.762 * * [simplify]: Extracting # 2 : cost  0
4.762 * * [simplify]: Extracting # 3 : cost  0
4.763 * * [simplify]: iteration  1 :  88  enodes  (cost  182 )
4.793 * * [simplify]: Extracting # 0 : cost  0
4.794 * * [simplify]: Extracting # 1 : cost  0
4.794 * * [simplify]: Extracting # 2 : cost  0
4.794 * * [simplify]: Extracting # 3 : cost  0
4.794 * * [simplify]: Extracting # 4 : cost  0
4.795 * * [simplify]: Extracting # 5 : cost  0
4.795 * * [simplify]: iteration  2 :  314  enodes  (cost  168 )
4.951 * * [simplify]: Extracting # 0 : cost  0
4.954 * * [simplify]: Extracting # 1 : cost  0
4.956 * * [simplify]: Extracting # 2 : cost  0
4.958 * * [simplify]: Extracting # 3 : cost  0
4.960 * * [simplify]: Extracting # 4 : cost  0
4.962 * * [simplify]: iteration  3 :  1416  enodes  (cost  168 )
5.640 * * [simplify]: Extracting # 0 : cost  0
5.649 * * [simplify]: Extracting # 1 : cost  0
5.656 * * [simplify]: Extracting # 2 : cost  0
5.663 * * [simplify]: Extracting # 3 : cost  0
5.670 * * [simplify]: Extracting # 4 : cost  0
5.678 * * [simplify]: iteration done:  5001  enodes  (cost  168 )
5.678 * [simplify]: Simplified to:
  (exp (- (+ x y) (* x y)))
  (exp (- (+ x y) (* x y)))
  (log (- (+ x y) (* x y)))
  (exp (- (+ x y) (* x y)))
  (* (cbrt (- (+ x y) (* x y))) (cbrt (- (+ x y) (* x y))))
  (cbrt (- (+ x y) (* x y)))
  (pow (- (+ x y) (* x y)) 3)
  (sqrt (- (+ x y) (* x y)))
  (sqrt (- (+ x y) (* x y)))
  (- (pow (+ x y) 3) (pow (* x y) 3))
  (+ (* (+ x y) (+ x y)) (* (* x y) (+ (+ x y) (* x y))))
  (- (* x y))
  (- (* (+ x y) (+ x y)) (* (* x y) (* x y)))
  (+ (+ x y) (* x y))
  (- y (* x y))
  (- (* x y))
  (- (+ x y) (* x y))
  (- (+ x y) (* x y))
  (- (+ x y) (* x y))
5.678 * * * [progress]: adding candidates to table
5.716 * [progress]: [Phase 3 of 3] Extracting.
5.717 * [simplify]: Simplifying:
  (- (+ x y) (* x y))
5.718 * * [simplify]: Extracting # 0 : cost  0
5.718 * * [simplify]: Extracting # 1 : cost  0
5.718 * * [simplify]: Extracting # 2 : cost  0
5.718 * * [simplify]: Extracting # 3 : cost  0
5.718 * * [simplify]: Extracting # 4 : cost  0
5.718 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
5.718 * * [simplify]: Extracting # 0 : cost  0
5.718 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
5.719 * * [simplify]: Extracting # 0 : cost  0
5.719 * * [simplify]: iteration done:  7  enodes  (cost  7 )
5.719 * [simplify]: Simplified to:
  (- (+ x y) (* x y))
6.440 * [regime-testing]: Baseline error score: 0.008074129578787493
6.442 * [regime-testing]: Oracle error score: 0.008074129578787493
6.442 * [regime-testing]: End program error score: 0.008074129578787493