9.675 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.016 * * * [progress]: [2/2] Setting up program.
0.018 * [progress]: [Phase 2 of 3] Improving.
0.018 * [simplify]: Simplifying:
  (- (+ x y) (* x y))
0.018 * * [simplify]: Extracting # 0 : cost  0
0.018 * * [simplify]: Extracting # 1 : cost  0
0.019 * * [simplify]: Extracting # 2 : cost  0
0.019 * * [simplify]: Extracting # 3 : cost  0
0.019 * * [simplify]: Extracting # 4 : cost  0
0.019 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.020 * * [simplify]: Extracting # 0 : cost  0
0.020 * * [simplify]: Extracting # 1 : cost  0
0.020 * * [simplify]: Extracting # 2 : cost  0
0.020 * * [simplify]: iteration  1 :  11  enodes  (cost  7 )
0.022 * * [simplify]: Extracting # 0 : cost  0
0.022 * * [simplify]: Extracting # 1 : cost  0
0.022 * * [simplify]: Extracting # 2 : cost  0
0.022 * * [simplify]: iteration  2 :  25  enodes  (cost  7 )
0.027 * * [simplify]: Extracting # 0 : cost  0
0.027 * * [simplify]: Extracting # 1 : cost  0
0.027 * * [simplify]: Extracting # 2 : cost  0
0.027 * * [simplify]: Extracting # 3 : cost  0
0.027 * * [simplify]: iteration  3 :  38  enodes  (cost  7 )
0.046 * * [simplify]: Extracting # 0 : cost  0
0.046 * * [simplify]: Extracting # 1 : cost  0
0.046 * * [simplify]: Extracting # 2 : cost  0
0.046 * * [simplify]: iteration  4 :  49  enodes  (cost  7 )
0.057 * * [simplify]: Extracting # 0 : cost  0
0.057 * * [simplify]: Extracting # 1 : cost  0
0.057 * * [simplify]: Extracting # 2 : cost  0
0.057 * * [simplify]: iteration  5 :  71  enodes  (cost  7 )
0.075 * * [simplify]: Extracting # 0 : cost  0
0.075 * * [simplify]: Extracting # 1 : cost  0
0.076 * * [simplify]: Extracting # 2 : cost  0
0.076 * * [simplify]: iteration  6 :  273  enodes  (cost  7 )
0.188 * * [simplify]: Extracting # 0 : cost  0
0.189 * * [simplify]: Extracting # 1 : cost  0
0.190 * * [simplify]: Extracting # 2 : cost  0
0.191 * * [simplify]: iteration  7 :  919  enodes  (cost  7 )
1.436 * * [simplify]: Extracting # 0 : cost  0
1.440 * * [simplify]: Extracting # 1 : cost  0
1.444 * * [simplify]: Extracting # 2 : cost  0
1.449 * * [simplify]: iteration  8 :  4694  enodes  (cost  7 )
4.928 * * [simplify]: Extracting # 0 : cost  0
4.933 * * [simplify]: Extracting # 1 : cost  0
4.938 * * [simplify]: Extracting # 2 : cost  0
4.946 * * [simplify]: iteration done:  5000  enodes  (cost  7 )
4.946 * [simplify]: Simplified to:
  (- (+ x y) (* x y))
4.947 * * [progress]: iteration 1 / 4
4.947 * * * [progress]: picking best candidate
4.949 * * * * [pick]: Picked  #<alt (λ (x y) (- (+ x y) (* x y)))>
4.949 * * * [progress]: localizing error
4.956 * * * [progress]: generating rewritten candidates
4.956 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
4.997 * * * [progress]: generating series expansions
4.997 * * * * [progress]: [ 1 / 1 ] generating series at (2)
4.997 * [backup-simplify]: Simplify (- (+ x y) (* x y)) into (- (+ x y) (* x y))
4.997 * [approximate]: Taking taylor expansion of (- (+ x y) (* x y)) in (x y) around 0
4.997 * [taylor]: Taking taylor expansion of (- (+ x y) (* x y)) in y
4.997 * [taylor]: Taking taylor expansion of (+ x y) in y
4.997 * [taylor]: Taking taylor expansion of x in y
4.997 * [backup-simplify]: Simplify x into x
4.997 * [taylor]: Taking taylor expansion of y in y
4.997 * [backup-simplify]: Simplify 0 into 0
4.997 * [backup-simplify]: Simplify 1 into 1
4.997 * [taylor]: Taking taylor expansion of (* x y) in y
4.997 * [taylor]: Taking taylor expansion of x in y
4.997 * [backup-simplify]: Simplify x into x
4.997 * [taylor]: Taking taylor expansion of y in y
4.997 * [backup-simplify]: Simplify 0 into 0
4.997 * [backup-simplify]: Simplify 1 into 1
4.997 * [taylor]: Taking taylor expansion of (- (+ x y) (* x y)) in x
4.997 * [taylor]: Taking taylor expansion of (+ x y) in x
4.997 * [taylor]: Taking taylor expansion of x in x
4.997 * [backup-simplify]: Simplify 0 into 0
4.997 * [backup-simplify]: Simplify 1 into 1
4.997 * [taylor]: Taking taylor expansion of y in x
4.997 * [backup-simplify]: Simplify y into y
4.997 * [taylor]: Taking taylor expansion of (* x y) in x
4.997 * [taylor]: Taking taylor expansion of x in x
4.997 * [backup-simplify]: Simplify 0 into 0
4.997 * [backup-simplify]: Simplify 1 into 1
4.997 * [taylor]: Taking taylor expansion of y in x
4.997 * [backup-simplify]: Simplify y into y
4.997 * [taylor]: Taking taylor expansion of (- (+ x y) (* x y)) in x
4.997 * [taylor]: Taking taylor expansion of (+ x y) in x
4.997 * [taylor]: Taking taylor expansion of x in x
4.997 * [backup-simplify]: Simplify 0 into 0
4.997 * [backup-simplify]: Simplify 1 into 1
4.997 * [taylor]: Taking taylor expansion of y in x
4.997 * [backup-simplify]: Simplify y into y
4.997 * [taylor]: Taking taylor expansion of (* x y) in x
4.997 * [taylor]: Taking taylor expansion of x in x
4.997 * [backup-simplify]: Simplify 0 into 0
4.997 * [backup-simplify]: Simplify 1 into 1
4.997 * [taylor]: Taking taylor expansion of y in x
4.998 * [backup-simplify]: Simplify y into y
4.998 * [backup-simplify]: Simplify (+ 0 y) into y
4.998 * [backup-simplify]: Simplify (* 0 y) into 0
4.998 * [backup-simplify]: Simplify (- 0) into 0
4.998 * [backup-simplify]: Simplify (+ y 0) into y
4.998 * [taylor]: Taking taylor expansion of y in y
4.998 * [backup-simplify]: Simplify 0 into 0
4.998 * [backup-simplify]: Simplify 1 into 1
4.998 * [backup-simplify]: Simplify 0 into 0
4.998 * [backup-simplify]: Simplify (+ 1 0) into 1
4.999 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
4.999 * [backup-simplify]: Simplify (- y) into (- y)
4.999 * [backup-simplify]: Simplify (+ 1 (- y)) into (- 1 y)
4.999 * [taylor]: Taking taylor expansion of (- 1 y) in y
4.999 * [taylor]: Taking taylor expansion of 1 in y
4.999 * [backup-simplify]: Simplify 1 into 1
4.999 * [taylor]: Taking taylor expansion of y in y
4.999 * [backup-simplify]: Simplify 0 into 0
4.999 * [backup-simplify]: Simplify 1 into 1
4.999 * [backup-simplify]: Simplify (- 0) into 0
4.999 * [backup-simplify]: Simplify (+ 1 0) into 1
4.999 * [backup-simplify]: Simplify 1 into 1
4.999 * [backup-simplify]: Simplify 1 into 1
5.000 * [backup-simplify]: Simplify (+ 0 0) into 0
5.000 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
5.000 * [backup-simplify]: Simplify (- 0) into 0
5.001 * [backup-simplify]: Simplify (+ 0 0) into 0
5.001 * [taylor]: Taking taylor expansion of 0 in y
5.001 * [backup-simplify]: Simplify 0 into 0
5.001 * [backup-simplify]: Simplify 0 into 0
5.001 * [backup-simplify]: Simplify (- 1) into -1
5.001 * [backup-simplify]: Simplify (+ 0 -1) into -1
5.001 * [backup-simplify]: Simplify -1 into -1
5.001 * [backup-simplify]: Simplify (+ (* -1 (* y x)) (+ (* 1 (* y 1)) (* 1 (* 1 x)))) into (- (+ x y) (* x y))
5.002 * [backup-simplify]: Simplify (- (+ (/ 1 x) (/ 1 y)) (* (/ 1 x) (/ 1 y))) into (- (+ (/ 1 y) (/ 1 x)) (/ 1 (* x y)))
5.002 * [approximate]: Taking taylor expansion of (- (+ (/ 1 y) (/ 1 x)) (/ 1 (* x y))) in (x y) around 0
5.002 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) (/ 1 x)) (/ 1 (* x y))) in y
5.002 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
5.002 * [taylor]: Taking taylor expansion of (/ 1 y) in y
5.002 * [taylor]: Taking taylor expansion of y in y
5.002 * [backup-simplify]: Simplify 0 into 0
5.002 * [backup-simplify]: Simplify 1 into 1
5.002 * [backup-simplify]: Simplify (/ 1 1) into 1
5.002 * [taylor]: Taking taylor expansion of (/ 1 x) in y
5.002 * [taylor]: Taking taylor expansion of x in y
5.002 * [backup-simplify]: Simplify x into x
5.002 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
5.002 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
5.002 * [taylor]: Taking taylor expansion of (* x y) in y
5.002 * [taylor]: Taking taylor expansion of x in y
5.002 * [backup-simplify]: Simplify x into x
5.002 * [taylor]: Taking taylor expansion of y in y
5.002 * [backup-simplify]: Simplify 0 into 0
5.002 * [backup-simplify]: Simplify 1 into 1
5.002 * [backup-simplify]: Simplify (* x 0) into 0
5.003 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
5.003 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
5.003 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) (/ 1 x)) (/ 1 (* x y))) in x
5.003 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
5.003 * [taylor]: Taking taylor expansion of (/ 1 y) in x
5.003 * [taylor]: Taking taylor expansion of y in x
5.003 * [backup-simplify]: Simplify y into y
5.003 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
5.003 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.003 * [taylor]: Taking taylor expansion of x in x
5.003 * [backup-simplify]: Simplify 0 into 0
5.003 * [backup-simplify]: Simplify 1 into 1
5.003 * [backup-simplify]: Simplify (/ 1 1) into 1
5.003 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
5.003 * [taylor]: Taking taylor expansion of (* x y) in x
5.003 * [taylor]: Taking taylor expansion of x in x
5.003 * [backup-simplify]: Simplify 0 into 0
5.003 * [backup-simplify]: Simplify 1 into 1
5.003 * [taylor]: Taking taylor expansion of y in x
5.003 * [backup-simplify]: Simplify y into y
5.003 * [backup-simplify]: Simplify (* 0 y) into 0
5.003 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
5.003 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
5.003 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) (/ 1 x)) (/ 1 (* x y))) in x
5.004 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
5.004 * [taylor]: Taking taylor expansion of (/ 1 y) in x
5.004 * [taylor]: Taking taylor expansion of y in x
5.004 * [backup-simplify]: Simplify y into y
5.004 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
5.004 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.004 * [taylor]: Taking taylor expansion of x in x
5.004 * [backup-simplify]: Simplify 0 into 0
5.004 * [backup-simplify]: Simplify 1 into 1
5.004 * [backup-simplify]: Simplify (/ 1 1) into 1
5.004 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
5.004 * [taylor]: Taking taylor expansion of (* x y) in x
5.004 * [taylor]: Taking taylor expansion of x in x
5.004 * [backup-simplify]: Simplify 0 into 0
5.004 * [backup-simplify]: Simplify 1 into 1
5.004 * [taylor]: Taking taylor expansion of y in x
5.004 * [backup-simplify]: Simplify y into y
5.004 * [backup-simplify]: Simplify (* 0 y) into 0
5.004 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
5.004 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
5.005 * [backup-simplify]: Simplify (+ 0 1) into 1
5.005 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
5.005 * [backup-simplify]: Simplify (+ 1 (- (/ 1 y))) into (- 1 (/ 1 y))
5.005 * [taylor]: Taking taylor expansion of (- 1 (/ 1 y)) in y
5.005 * [taylor]: Taking taylor expansion of 1 in y
5.005 * [backup-simplify]: Simplify 1 into 1
5.005 * [taylor]: Taking taylor expansion of (/ 1 y) in y
5.005 * [taylor]: Taking taylor expansion of y in y
5.005 * [backup-simplify]: Simplify 0 into 0
5.005 * [backup-simplify]: Simplify 1 into 1
5.005 * [backup-simplify]: Simplify (/ 1 1) into 1
5.005 * [backup-simplify]: Simplify (- 1) into -1
5.006 * [backup-simplify]: Simplify (+ 0 -1) into -1
5.006 * [backup-simplify]: Simplify -1 into -1
5.006 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
5.006 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
5.007 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
5.007 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
5.007 * [backup-simplify]: Simplify (- 0) into 0
5.007 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
5.007 * [taylor]: Taking taylor expansion of (/ 1 y) in y
5.007 * [taylor]: Taking taylor expansion of y in y
5.007 * [backup-simplify]: Simplify 0 into 0
5.007 * [backup-simplify]: Simplify 1 into 1
5.007 * [backup-simplify]: Simplify (/ 1 1) into 1
5.007 * [backup-simplify]: Simplify 1 into 1
5.008 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
5.008 * [backup-simplify]: Simplify (- 0) into 0
5.008 * [backup-simplify]: Simplify (+ 1 0) into 1
5.008 * [backup-simplify]: Simplify 1 into 1
5.009 * [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))
5.009 * [backup-simplify]: Simplify (- (+ (/ 1 (- x)) (/ 1 (- y))) (* (/ 1 (- x)) (/ 1 (- y)))) into (- (+ (/ 1 (* x y)) (+ (/ 1 y) (/ 1 x))))
5.009 * [approximate]: Taking taylor expansion of (- (+ (/ 1 (* x y)) (+ (/ 1 y) (/ 1 x)))) in (x y) around 0
5.009 * [taylor]: Taking taylor expansion of (- (+ (/ 1 (* x y)) (+ (/ 1 y) (/ 1 x)))) in y
5.009 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (+ (/ 1 y) (/ 1 x))) in y
5.009 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
5.009 * [taylor]: Taking taylor expansion of (* x y) in y
5.009 * [taylor]: Taking taylor expansion of x in y
5.009 * [backup-simplify]: Simplify x into x
5.009 * [taylor]: Taking taylor expansion of y in y
5.009 * [backup-simplify]: Simplify 0 into 0
5.009 * [backup-simplify]: Simplify 1 into 1
5.009 * [backup-simplify]: Simplify (* x 0) into 0
5.009 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
5.009 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
5.009 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
5.009 * [taylor]: Taking taylor expansion of (/ 1 y) in y
5.009 * [taylor]: Taking taylor expansion of y in y
5.009 * [backup-simplify]: Simplify 0 into 0
5.009 * [backup-simplify]: Simplify 1 into 1
5.010 * [backup-simplify]: Simplify (/ 1 1) into 1
5.010 * [taylor]: Taking taylor expansion of (/ 1 x) in y
5.010 * [taylor]: Taking taylor expansion of x in y
5.010 * [backup-simplify]: Simplify x into x
5.010 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
5.010 * [taylor]: Taking taylor expansion of (- (+ (/ 1 (* x y)) (+ (/ 1 y) (/ 1 x)))) in x
5.010 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (+ (/ 1 y) (/ 1 x))) in x
5.010 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
5.010 * [taylor]: Taking taylor expansion of (* x y) in x
5.010 * [taylor]: Taking taylor expansion of x in x
5.010 * [backup-simplify]: Simplify 0 into 0
5.010 * [backup-simplify]: Simplify 1 into 1
5.010 * [taylor]: Taking taylor expansion of y in x
5.010 * [backup-simplify]: Simplify y into y
5.010 * [backup-simplify]: Simplify (* 0 y) into 0
5.010 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
5.010 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
5.010 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
5.010 * [taylor]: Taking taylor expansion of (/ 1 y) in x
5.010 * [taylor]: Taking taylor expansion of y in x
5.010 * [backup-simplify]: Simplify y into y
5.010 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
5.010 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.010 * [taylor]: Taking taylor expansion of x in x
5.010 * [backup-simplify]: Simplify 0 into 0
5.010 * [backup-simplify]: Simplify 1 into 1
5.011 * [backup-simplify]: Simplify (/ 1 1) into 1
5.011 * [taylor]: Taking taylor expansion of (- (+ (/ 1 (* x y)) (+ (/ 1 y) (/ 1 x)))) in x
5.011 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (+ (/ 1 y) (/ 1 x))) in x
5.011 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
5.011 * [taylor]: Taking taylor expansion of (* x y) in x
5.011 * [taylor]: Taking taylor expansion of x in x
5.011 * [backup-simplify]: Simplify 0 into 0
5.011 * [backup-simplify]: Simplify 1 into 1
5.011 * [taylor]: Taking taylor expansion of y in x
5.011 * [backup-simplify]: Simplify y into y
5.011 * [backup-simplify]: Simplify (* 0 y) into 0
5.011 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
5.011 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
5.011 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
5.011 * [taylor]: Taking taylor expansion of (/ 1 y) in x
5.011 * [taylor]: Taking taylor expansion of y in x
5.011 * [backup-simplify]: Simplify y into y
5.011 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
5.011 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.011 * [taylor]: Taking taylor expansion of x in x
5.011 * [backup-simplify]: Simplify 0 into 0
5.011 * [backup-simplify]: Simplify 1 into 1
5.012 * [backup-simplify]: Simplify (/ 1 1) into 1
5.012 * [backup-simplify]: Simplify (+ 0 1) into 1
5.012 * [backup-simplify]: Simplify (+ (/ 1 y) 1) into (+ (/ 1 y) 1)
5.012 * [backup-simplify]: Simplify (- (+ (/ 1 y) 1)) into (- (+ (/ 1 y) 1))
5.012 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) 1)) in y
5.012 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1) in y
5.012 * [taylor]: Taking taylor expansion of (/ 1 y) in y
5.012 * [taylor]: Taking taylor expansion of y in y
5.012 * [backup-simplify]: Simplify 0 into 0
5.012 * [backup-simplify]: Simplify 1 into 1
5.012 * [backup-simplify]: Simplify (/ 1 1) into 1
5.012 * [taylor]: Taking taylor expansion of 1 in y
5.013 * [backup-simplify]: Simplify 1 into 1
5.013 * [backup-simplify]: Simplify (+ 1 0) into 1
5.013 * [backup-simplify]: Simplify (- 1) into -1
5.013 * [backup-simplify]: Simplify -1 into -1
5.014 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
5.014 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
5.014 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
5.014 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
5.014 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
5.014 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
5.014 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
5.014 * [taylor]: Taking taylor expansion of (/ 1 y) in y
5.014 * [taylor]: Taking taylor expansion of y in y
5.014 * [backup-simplify]: Simplify 0 into 0
5.014 * [backup-simplify]: Simplify 1 into 1
5.015 * [backup-simplify]: Simplify (/ 1 1) into 1
5.015 * [backup-simplify]: Simplify (- 1) into -1
5.015 * [backup-simplify]: Simplify -1 into -1
5.015 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
5.016 * [backup-simplify]: Simplify (+ 0 1) into 1
5.016 * [backup-simplify]: Simplify (- 1) into -1
5.016 * [backup-simplify]: Simplify -1 into -1
5.016 * [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))
5.016 * * * [progress]: simplifying candidates
5.016 * [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))
5.020 * * [simplify]: Extracting # 0 : cost  0
5.020 * * [simplify]: Extracting # 1 : cost  0
5.020 * * [simplify]: Extracting # 2 : cost  0
5.020 * * [simplify]: Extracting # 3 : cost  0
5.020 * * [simplify]: Extracting # 4 : cost  0
5.020 * * [simplify]: Extracting # 5 : cost  0
5.020 * * [simplify]: Extracting # 6 : cost  0
5.020 * * [simplify]: iteration  0 :  32  enodes  (cost  189 )
5.032 * * [simplify]: Extracting # 0 : cost  0
5.032 * * [simplify]: Extracting # 1 : cost  0
5.032 * * [simplify]: Extracting # 2 : cost  0
5.032 * * [simplify]: Extracting # 3 : cost  0
5.033 * * [simplify]: iteration  1 :  88  enodes  (cost  182 )
5.063 * * [simplify]: Extracting # 0 : cost  0
5.064 * * [simplify]: Extracting # 1 : cost  0
5.064 * * [simplify]: Extracting # 2 : cost  0
5.065 * * [simplify]: Extracting # 3 : cost  0
5.065 * * [simplify]: Extracting # 4 : cost  0
5.066 * * [simplify]: Extracting # 5 : cost  0
5.066 * * [simplify]: iteration  2 :  314  enodes  (cost  168 )
5.242 * * [simplify]: Extracting # 0 : cost  0
5.245 * * [simplify]: Extracting # 1 : cost  0
5.247 * * [simplify]: Extracting # 2 : cost  0
5.250 * * [simplify]: Extracting # 3 : cost  0
5.252 * * [simplify]: Extracting # 4 : cost  0
5.254 * * [simplify]: iteration  3 :  1416  enodes  (cost  168 )
5.908 * * [simplify]: Extracting # 0 : cost  0
5.918 * * [simplify]: Extracting # 1 : cost  0
5.927 * * [simplify]: Extracting # 2 : cost  0
5.938 * * [simplify]: Extracting # 3 : cost  0
5.949 * * [simplify]: Extracting # 4 : cost  0
5.959 * * [simplify]: iteration done:  5001  enodes  (cost  168 )
5.960 * [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))
5.960 * * * [progress]: adding candidates to table
6.028 * [progress]: [Phase 3 of 3] Extracting.
6.033 * [simplify]: Simplifying:
  (- (+ x y) (* x y))
6.033 * * [simplify]: Extracting # 0 : cost  0
6.033 * * [simplify]: Extracting # 1 : cost  0
6.033 * * [simplify]: Extracting # 2 : cost  0
6.033 * * [simplify]: Extracting # 3 : cost  0
6.033 * * [simplify]: Extracting # 4 : cost  0
6.033 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
6.034 * * [simplify]: Extracting # 0 : cost  0
6.034 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
6.034 * * [simplify]: Extracting # 0 : cost  0
6.034 * * [simplify]: iteration done:  7  enodes  (cost  7 )
6.034 * [simplify]: Simplified to:
  (- (+ x y) (* x y))
6.794 * [regime-testing]: Baseline error score: 0.010126265783222902
6.798 * [regime-testing]: Oracle error score: 0.010126265783222902
6.798 * [regime-testing]: End program error score: 0.010126265783222902