20.783 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.055 * * * [progress]: [2/2] Setting up program.
0.057 * [progress]: [Phase 2 of 3] Improving.
0.057 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (log (+ 1.0 (exp x))) (* x y))
0.058 * * [simplify]: iteration  0 :  8  enodes  (cost  9 )
0.059 * * [simplify]: iteration  1 :  12  enodes  (cost  9 )
0.061 * * [simplify]: iteration  2 :  19  enodes  (cost  9 )
0.063 * * [simplify]: iteration  3 :  23  enodes  (cost  9 )
0.065 * * [simplify]: iteration  done :  23  enodes  (cost  9 )
0.065 * [simplify]: Simplified to:
   (- (log (+ 1.0 (exp x))) (* x y))
0.066 * * [progress]: iteration 1 / 4
0.066 * * * [progress]: picking best candidate
0.068 * * * * [pick]: Picked  #<alt (λ (x y) (- (log (+ 1.0 (exp x))) (* x y)))>
0.068 * * * [progress]: localizing error
0.075 * * * [progress]: generating rewritten candidates
0.075 * * * * [progress]: [ 1 / 3 ] rewriting at (2 1)
0.078 * * * * [progress]: [ 2 / 3 ] rewriting at (2)
0.085 * * * * [progress]: [ 3 / 3 ] rewriting at (2 1 1)
0.089 * * * [progress]: generating series expansions
0.090 * * * * [progress]: [ 1 / 3 ] generating series at (2 1)
0.090 * [approximate]: Taking taylor expansion of (log (+ (exp x) 1.0)) in (x) around 0
0.090 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
0.090 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.090 * [taylor]: Taking taylor expansion of (exp x) in x
0.090 * [taylor]: Taking taylor expansion of x in x
0.090 * [taylor]: Taking taylor expansion of 1.0 in x
0.091 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
0.091 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.091 * [taylor]: Taking taylor expansion of (exp x) in x
0.091 * [taylor]: Taking taylor expansion of x in x
0.091 * [taylor]: Taking taylor expansion of 1.0 in x
0.108 * [approximate]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in (x) around 0
0.108 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
0.108 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.108 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.108 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.108 * [taylor]: Taking taylor expansion of x in x
0.109 * [taylor]: Taking taylor expansion of 1.0 in x
0.109 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
0.109 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.109 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.109 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.109 * [taylor]: Taking taylor expansion of x in x
0.109 * [taylor]: Taking taylor expansion of 1.0 in x
0.131 * [approximate]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in (x) around 0
0.131 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
0.131 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.131 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.131 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.131 * [taylor]: Taking taylor expansion of -1 in x
0.131 * [taylor]: Taking taylor expansion of x in x
0.131 * [taylor]: Taking taylor expansion of 1.0 in x
0.131 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
0.131 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.132 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.132 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.132 * [taylor]: Taking taylor expansion of -1 in x
0.132 * [taylor]: Taking taylor expansion of x in x
0.132 * [taylor]: Taking taylor expansion of 1.0 in x
0.158 * * * * [progress]: [ 2 / 3 ] generating series at (2)
0.158 * [approximate]: Taking taylor expansion of (- (log (+ (exp x) 1.0)) (* x y)) in (x y) around 0
0.158 * [taylor]: Taking taylor expansion of (- (log (+ (exp x) 1.0)) (* x y)) in y
0.158 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in y
0.158 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in y
0.158 * [taylor]: Taking taylor expansion of (exp x) in y
0.158 * [taylor]: Taking taylor expansion of x in y
0.159 * [taylor]: Taking taylor expansion of 1.0 in y
0.159 * [taylor]: Taking taylor expansion of (* x y) in y
0.159 * [taylor]: Taking taylor expansion of x in y
0.159 * [taylor]: Taking taylor expansion of y in y
0.159 * [taylor]: Taking taylor expansion of (- (log (+ (exp x) 1.0)) (* x y)) in x
0.159 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
0.159 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.159 * [taylor]: Taking taylor expansion of (exp x) in x
0.159 * [taylor]: Taking taylor expansion of x in x
0.159 * [taylor]: Taking taylor expansion of 1.0 in x
0.159 * [taylor]: Taking taylor expansion of (* x y) in x
0.159 * [taylor]: Taking taylor expansion of x in x
0.159 * [taylor]: Taking taylor expansion of y in x
0.159 * [taylor]: Taking taylor expansion of (- (log (+ (exp x) 1.0)) (* x y)) in x
0.159 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
0.159 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.159 * [taylor]: Taking taylor expansion of (exp x) in x
0.159 * [taylor]: Taking taylor expansion of x in x
0.160 * [taylor]: Taking taylor expansion of 1.0 in x
0.160 * [taylor]: Taking taylor expansion of (* x y) in x
0.160 * [taylor]: Taking taylor expansion of x in x
0.160 * [taylor]: Taking taylor expansion of y in x
0.161 * [taylor]: Taking taylor expansion of (log 2.0) in y
0.161 * [taylor]: Taking taylor expansion of 2.0 in y
0.166 * [taylor]: Taking taylor expansion of (- 0.5 y) in y
0.166 * [taylor]: Taking taylor expansion of 0.5 in y
0.166 * [taylor]: Taking taylor expansion of y in y
0.179 * [taylor]: Taking taylor expansion of (- 0.25 (* 1/2 (/ 1 (pow 2.0 2)))) in y
0.179 * [taylor]: Taking taylor expansion of 0.25 in y
0.179 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (pow 2.0 2))) in y
0.179 * [taylor]: Taking taylor expansion of 1/2 in y
0.179 * [taylor]: Taking taylor expansion of (/ 1 (pow 2.0 2)) in y
0.179 * [taylor]: Taking taylor expansion of (pow 2.0 2) in y
0.179 * [taylor]: Taking taylor expansion of 2.0 in y
0.181 * [approximate]: Taking taylor expansion of (- (log (+ (exp (/ 1 x)) 1.0)) (/ 1 (* x y))) in (x y) around 0
0.181 * [taylor]: Taking taylor expansion of (- (log (+ (exp (/ 1 x)) 1.0)) (/ 1 (* x y))) in y
0.181 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in y
0.181 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in y
0.181 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in y
0.181 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.181 * [taylor]: Taking taylor expansion of x in y
0.182 * [taylor]: Taking taylor expansion of 1.0 in y
0.182 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.182 * [taylor]: Taking taylor expansion of (* x y) in y
0.182 * [taylor]: Taking taylor expansion of x in y
0.182 * [taylor]: Taking taylor expansion of y in y
0.182 * [taylor]: Taking taylor expansion of (- (log (+ (exp (/ 1 x)) 1.0)) (/ 1 (* x y))) in x
0.182 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
0.182 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.182 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.182 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.182 * [taylor]: Taking taylor expansion of x in x
0.182 * [taylor]: Taking taylor expansion of 1.0 in x
0.183 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.183 * [taylor]: Taking taylor expansion of (* x y) in x
0.183 * [taylor]: Taking taylor expansion of x in x
0.183 * [taylor]: Taking taylor expansion of y in x
0.183 * [taylor]: Taking taylor expansion of (- (log (+ (exp (/ 1 x)) 1.0)) (/ 1 (* x y))) in x
0.183 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
0.183 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.183 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.183 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.183 * [taylor]: Taking taylor expansion of x in x
0.183 * [taylor]: Taking taylor expansion of 1.0 in x
0.183 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.183 * [taylor]: Taking taylor expansion of (* x y) in x
0.183 * [taylor]: Taking taylor expansion of x in x
0.184 * [taylor]: Taking taylor expansion of y in x
0.184 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.184 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.184 * [taylor]: Taking taylor expansion of y in y
0.185 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in y
0.185 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in y
0.185 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in y
0.185 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.186 * [taylor]: Taking taylor expansion of x in y
0.186 * [taylor]: Taking taylor expansion of 1.0 in y
0.189 * [taylor]: Taking taylor expansion of 0 in y
0.193 * [taylor]: Taking taylor expansion of 0 in y
0.198 * [taylor]: Taking taylor expansion of 0 in y
0.199 * [approximate]: Taking taylor expansion of (- (log (+ (exp (/ -1 x)) 1.0)) (/ 1 (* x y))) in (x y) around 0
0.199 * [taylor]: Taking taylor expansion of (- (log (+ (exp (/ -1 x)) 1.0)) (/ 1 (* x y))) in y
0.199 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in y
0.199 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in y
0.199 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in y
0.199 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.199 * [taylor]: Taking taylor expansion of -1 in y
0.199 * [taylor]: Taking taylor expansion of x in y
0.199 * [taylor]: Taking taylor expansion of 1.0 in y
0.199 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.199 * [taylor]: Taking taylor expansion of (* x y) in y
0.199 * [taylor]: Taking taylor expansion of x in y
0.199 * [taylor]: Taking taylor expansion of y in y
0.200 * [taylor]: Taking taylor expansion of (- (log (+ (exp (/ -1 x)) 1.0)) (/ 1 (* x y))) in x
0.200 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
0.200 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.200 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.200 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.200 * [taylor]: Taking taylor expansion of -1 in x
0.200 * [taylor]: Taking taylor expansion of x in x
0.200 * [taylor]: Taking taylor expansion of 1.0 in x
0.200 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.200 * [taylor]: Taking taylor expansion of (* x y) in x
0.200 * [taylor]: Taking taylor expansion of x in x
0.200 * [taylor]: Taking taylor expansion of y in x
0.201 * [taylor]: Taking taylor expansion of (- (log (+ (exp (/ -1 x)) 1.0)) (/ 1 (* x y))) in x
0.201 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
0.201 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.201 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.201 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.201 * [taylor]: Taking taylor expansion of -1 in x
0.201 * [taylor]: Taking taylor expansion of x in x
0.201 * [taylor]: Taking taylor expansion of 1.0 in x
0.201 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.201 * [taylor]: Taking taylor expansion of (* x y) in x
0.201 * [taylor]: Taking taylor expansion of x in x
0.201 * [taylor]: Taking taylor expansion of y in x
0.202 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.202 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.202 * [taylor]: Taking taylor expansion of y in y
0.203 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in y
0.203 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in y
0.203 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in y
0.203 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.203 * [taylor]: Taking taylor expansion of -1 in y
0.203 * [taylor]: Taking taylor expansion of x in y
0.203 * [taylor]: Taking taylor expansion of 1.0 in y
0.206 * [taylor]: Taking taylor expansion of 0 in y
0.210 * [taylor]: Taking taylor expansion of 0 in y
0.216 * [taylor]: Taking taylor expansion of 0 in y
0.216 * * * * [progress]: [ 3 / 3 ] generating series at (2 1 1)
0.216 * [approximate]: Taking taylor expansion of (+ (exp x) 1.0) in (x) around 0
0.216 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.216 * [taylor]: Taking taylor expansion of (exp x) in x
0.216 * [taylor]: Taking taylor expansion of x in x
0.216 * [taylor]: Taking taylor expansion of 1.0 in x
0.216 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.216 * [taylor]: Taking taylor expansion of (exp x) in x
0.216 * [taylor]: Taking taylor expansion of x in x
0.216 * [taylor]: Taking taylor expansion of 1.0 in x
0.219 * [approximate]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in (x) around 0
0.219 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.219 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.219 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.219 * [taylor]: Taking taylor expansion of x in x
0.220 * [taylor]: Taking taylor expansion of 1.0 in x
0.220 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.220 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.220 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.220 * [taylor]: Taking taylor expansion of x in x
0.220 * [taylor]: Taking taylor expansion of 1.0 in x
0.222 * [approximate]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in (x) around 0
0.222 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.222 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.222 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.222 * [taylor]: Taking taylor expansion of -1 in x
0.222 * [taylor]: Taking taylor expansion of x in x
0.222 * [taylor]: Taking taylor expansion of 1.0 in x
0.222 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.222 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.222 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.222 * [taylor]: Taking taylor expansion of -1 in x
0.222 * [taylor]: Taking taylor expansion of x in x
0.222 * [taylor]: Taking taylor expansion of 1.0 in x
0.224 * * * [progress]: simplifying candidates
0.230 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (log (+ 1.0 (exp x))))
  (log1p (log (+ 1.0 (exp x))))
  (log (* (cbrt (+ 1.0 (exp x))) (cbrt (+ 1.0 (exp x)))))
  (log (cbrt (+ 1.0 (exp x))))
  (log (sqrt (+ 1.0 (exp x))))
  (log (sqrt (+ 1.0 (exp x))))
  (log 1)
  (log (+ 1.0 (exp x)))
  (log 1)
  (log (+ 1.0 (exp x)))
  (log (+ (pow 1.0 3) (pow (exp x) 3)))
  (log (+ (* 1.0 1.0) (- (* (exp x) (exp x)) (* 1.0 (exp x)))))
  (log (- (* 1.0 1.0) (* (exp x) (exp x))))
  (log (- 1.0 (exp x)))
  (log (+ 1.0 (exp x)))
  (log (log (+ 1.0 (exp x))))
  (exp (log (+ 1.0 (exp x))))
  (* (cbrt (log (+ 1.0 (exp x)))) (cbrt (log (+ 1.0 (exp x)))))
  (cbrt (log (+ 1.0 (exp x))))
  (* (* (log (+ 1.0 (exp x))) (log (+ 1.0 (exp x)))) (log (+ 1.0 (exp x))))
  (sqrt (log (+ 1.0 (exp x))))
  (sqrt (log (+ 1.0 (exp x))))
  (fma 1 (log (+ 1.0 (exp x))) (- (* y x)))
  (fma (- y) x (* y x))
  (fma (* (cbrt (log (+ 1.0 (exp x)))) (cbrt (log (+ 1.0 (exp x))))) (cbrt (log (+ 1.0 (exp x)))) (- (* y x)))
  (fma (- y) x (* y x))
  (fma (sqrt (log (+ 1.0 (exp x)))) (sqrt (log (+ 1.0 (exp x)))) (- (* y x)))
  (fma (- y) x (* y x))
  (fma 1 (log (+ 1.0 (exp x))) (- (* y x)))
  (fma (- y) x (* y x))
  (expm1 (- (log (+ 1.0 (exp x))) (* x y)))
  (log1p (- (log (+ 1.0 (exp x))) (* x y)))
  (- (* x y))
  (- (* x y))
  (- (* x y))
  (- (* x y))
  (/ (+ 1.0 (exp x)) (exp (* x y)))
  (log (- (log (+ 1.0 (exp x))) (* x y)))
  (exp (- (log (+ 1.0 (exp x))) (* x y)))
  (* (cbrt (- (log (+ 1.0 (exp x))) (* x y))) (cbrt (- (log (+ 1.0 (exp x))) (* x y))))
  (cbrt (- (log (+ 1.0 (exp x))) (* x y)))
  (* (* (- (log (+ 1.0 (exp x))) (* x y)) (- (log (+ 1.0 (exp x))) (* x y))) (- (log (+ 1.0 (exp x))) (* x y)))
  (sqrt (- (log (+ 1.0 (exp x))) (* x y)))
  (sqrt (- (log (+ 1.0 (exp x))) (* x y)))
  (- (pow (log (+ 1.0 (exp x))) 3) (pow (* x y) 3))
  (+ (* (log (+ 1.0 (exp x))) (log (+ 1.0 (exp x)))) (+ (* (* x y) (* x y)) (* (log (+ 1.0 (exp x))) (* x y))))
  (- (* x y))
  (- (* (log (+ 1.0 (exp x))) (log (+ 1.0 (exp x)))) (* (* x y) (* x y)))
  (+ (log (+ 1.0 (exp x))) (* x y))
  (- (log (cbrt (+ 1.0 (exp x)))) (* x y))
  (- (log (sqrt (+ 1.0 (exp x)))) (* x y))
  (- (log (+ 1.0 (exp x))) (* x y))
  (- (log (+ 1.0 (exp x))) (* x y))
  (+ (log (+ (* 1.0 1.0) (- (* (exp x) (exp x)) (* 1.0 (exp x))))) (* x y))
  (+ (log (- 1.0 (exp x))) (* x y))
  (- (* x y))
  (expm1 (+ 1.0 (exp x)))
  (log1p (+ 1.0 (exp x)))
  (* (exp 1.0) (exp (exp x)))
  (log (+ 1.0 (exp x)))
  (exp (+ 1.0 (exp x)))
  (* (cbrt (+ 1.0 (exp x))) (cbrt (+ 1.0 (exp x))))
  (cbrt (+ 1.0 (exp x)))
  (* (* (+ 1.0 (exp x)) (+ 1.0 (exp x))) (+ 1.0 (exp x)))
  (sqrt (+ 1.0 (exp x)))
  (sqrt (+ 1.0 (exp x)))
  (+ (pow 1.0 3) (pow (exp x) 3))
  (+ (* 1.0 1.0) (- (* (exp x) (exp x)) (* 1.0 (exp x))))
  (- (* 1.0 1.0) (* (exp x) (exp x)))
  (- 1.0 (exp x))
  (+ 1.0 (exp x))
  (- (+ (log 2.0) (+ (* 0.25 (pow x 2)) (* 0.5 x))) (* 1/2 (/ (pow x 2) (pow 2.0 2))))
  (log (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (+ (log 2.0) (+ (* 0.125 (pow x 2)) (* 0.5 x)))
  (- (log (+ (exp x) 1.0)) (* x y))
  (- (log (+ (exp x) 1.0)) (* x y))
  (+ (* 1/2 (pow x 2)) (+ x 2.0))
  (+ (exp x) 1.0)
  (+ (exp x) 1.0)
0.233 * * [simplify]: iteration  0 :  105  enodes  (cost  724 )
0.251 * * [simplify]: iteration  1 :  236  enodes  (cost  686 )
0.300 * * [simplify]: iteration  2 :  586  enodes  (cost  635 )
0.470 * * [simplify]: iteration  3 :  1770  enodes  (cost  618 )
1.497 * * [simplify]: iteration  done :  5001  enodes  (cost  596 )
1.498 * [simplify]: Simplified to:
   (expm1 (log (+ 1.0 (exp x))))
  (log1p (log (+ 1.0 (exp x))))
  (* 2 (log (cbrt (+ 1.0 (exp x)))))
  (log (cbrt (+ 1.0 (exp x))))
  (log (sqrt (+ 1.0 (exp x))))
  (log (sqrt (+ 1.0 (exp x))))
  0
  (log (+ (exp x) 1.0))
  0
  (log (+ (exp x) 1.0))
  (log (+ (pow 1.0 3) (pow (exp x) 3)))
  (log (fma 1.0 1.0 (* (exp x) (- (exp x) 1.0))))
  (log (- (* 1.0 1.0) (exp (+ x x))))
  (log (- 1.0 (exp x)))
  (log (+ (exp x) 1.0))
  (log (log (+ 1.0 (exp x))))
  (+ (exp x) 1.0)
  (* (cbrt (log (+ 1.0 (exp x)))) (cbrt (log (+ 1.0 (exp x)))))
  (cbrt (log (+ 1.0 (exp x))))
  (pow (log (+ 1.0 (exp x))) 3)
  (sqrt (log (+ 1.0 (exp x))))
  (sqrt (log (+ 1.0 (exp x))))
  (fma y (- x) (log (+ (exp x) 1.0)))
  0
  (fma y (- x) (pow (cbrt (log (+ 1.0 (exp x)))) 3))
  0
  (fma y (- x) (log (+ (exp x) 1.0)))
  0
  (fma y (- x) (log (+ (exp x) 1.0)))
  0
  (expm1 (- (log (+ 1.0 (exp x))) (* x y)))
  (log1p (- (log (+ 1.0 (exp x))) (* x y)))
  (- (* x y))
  (- (* x y))
  (- (* x y))
  (- (* x y))
  (/ (+ 1.0 (exp x)) (exp (* x y)))
  (log (- (log (+ 1.0 (exp x))) (* x y)))
  (/ (+ 1.0 (exp x)) (exp (* x y)))
  (* (cbrt (- (log (+ 1.0 (exp x))) (* x y))) (cbrt (- (log (+ 1.0 (exp x))) (* x y))))
  (cbrt (- (log (+ 1.0 (exp x))) (* x y)))
  (pow (- (log (+ (exp x) 1.0)) (* x y)) 3)
  (sqrt (- (log (+ 1.0 (exp x))) (* x y)))
  (sqrt (- (log (+ 1.0 (exp x))) (* x y)))
  (- (pow (log (+ 1.0 (exp x))) 3) (pow (* x y) 3))
  (fma (* y (* x y)) x (* (log (+ (exp x) 1.0)) (fma y x (log (+ (exp x) 1.0)))))
  (- (* x y))
  (* (- (log (+ (exp x) 1.0)) (* x y)) (fma y x (log (+ (exp x) 1.0))))
  (fma x y (log (+ (exp x) 1.0)))
  (- (log (cbrt (+ 1.0 (exp x)))) (* x y))
  (- (log (sqrt (+ 1.0 (exp x)))) (* x y))
  (fma y (- x) (log (+ (exp x) 1.0)))
  (fma y (- x) (log (+ (exp x) 1.0)))
  (fma x y (log (fma 1.0 1.0 (* (exp x) (- (exp x) 1.0)))))
  (fma x y (log (- 1.0 (exp x))))
  (- (* x y))
  (expm1 (+ 1.0 (exp x)))
  (log1p (+ 1.0 (exp x)))
  (exp (+ 1.0 (exp x)))
  (log (+ (exp x) 1.0))
  (exp (+ 1.0 (exp x)))
  (* (cbrt (+ 1.0 (exp x))) (cbrt (+ 1.0 (exp x))))
  (cbrt (+ 1.0 (exp x)))
  (pow (+ (exp x) 1.0) 3)
  (sqrt (+ 1.0 (exp x)))
  (sqrt (+ 1.0 (exp x)))
  (+ (pow 1.0 3) (pow (exp x) 3))
  (fma 1.0 1.0 (* (exp x) (- (exp x) 1.0)))
  (- (* 1.0 1.0) (exp (+ x x)))
  (- 1.0 (exp x))
  (+ (exp x) 1.0)
  (+ (fma 0.5 x (log 2.0)) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))))
  (log (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (fma 0.125 (pow x 2) (fma 0.5 x (log 2.0)))
  (fma y (- x) (log (+ (exp x) 1.0)))
  (fma y (- x) (log (+ (exp x) 1.0)))
  (fma 1/2 (pow x 2) (+ x 2.0))
  (+ (exp x) 1.0)
  (+ (exp x) 1.0)
1.498 * * * [progress]: adding candidates to table
1.671 * * [progress]: iteration 2 / 4
1.671 * * * [progress]: picking best candidate
1.680 * * * * [pick]: Picked  #<alt (λ (x y) (+ (fma y (- x) (log (+ (exp x) 1.0))) 0))>
1.680 * * * [progress]: localizing error
1.689 * * * [progress]: generating rewritten candidates
1.689 * * * * [progress]: [ 1 / 3 ] rewriting at (2 1 3)
1.693 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1)
1.693 * * * * [progress]: [ 3 / 3 ] rewriting at (2 1 3 1)
1.698 * * * [progress]: generating series expansions
1.698 * * * * [progress]: [ 1 / 3 ] generating series at (2 1 3)
1.698 * [approximate]: Taking taylor expansion of (log (+ (exp x) 1.0)) in (x) around 0
1.698 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
1.698 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
1.699 * [taylor]: Taking taylor expansion of (exp x) in x
1.699 * [taylor]: Taking taylor expansion of x in x
1.699 * [taylor]: Taking taylor expansion of 1.0 in x
1.699 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
1.700 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
1.700 * [taylor]: Taking taylor expansion of (exp x) in x
1.700 * [taylor]: Taking taylor expansion of x in x
1.700 * [taylor]: Taking taylor expansion of 1.0 in x
1.717 * [approximate]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in (x) around 0
1.717 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
1.717 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
1.717 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.717 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.717 * [taylor]: Taking taylor expansion of x in x
1.717 * [taylor]: Taking taylor expansion of 1.0 in x
1.717 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
1.717 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
1.717 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.717 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.717 * [taylor]: Taking taylor expansion of x in x
1.718 * [taylor]: Taking taylor expansion of 1.0 in x
1.738 * [approximate]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in (x) around 0
1.738 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
1.738 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
1.738 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.738 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.738 * [taylor]: Taking taylor expansion of -1 in x
1.738 * [taylor]: Taking taylor expansion of x in x
1.738 * [taylor]: Taking taylor expansion of 1.0 in x
1.739 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
1.739 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
1.739 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.739 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.739 * [taylor]: Taking taylor expansion of -1 in x
1.739 * [taylor]: Taking taylor expansion of x in x
1.739 * [taylor]: Taking taylor expansion of 1.0 in x
1.765 * * * * [progress]: [ 2 / 3 ] generating series at (2 1)
1.765 * [approximate]: Taking taylor expansion of (fma y (- x) (log (+ (exp x) 1.0))) in (y x) around 0
1.765 * [taylor]: Taking taylor expansion of (fma y (- x) (log (+ (exp x) 1.0))) in x
1.765 * [taylor]: Rewrote expression to (+ (* y (- x)) (log (+ (exp x) 1.0)))
1.765 * [taylor]: Taking taylor expansion of (* y (- x)) in x
1.765 * [taylor]: Taking taylor expansion of y in x
1.765 * [taylor]: Taking taylor expansion of (- x) in x
1.765 * [taylor]: Taking taylor expansion of x in x
1.765 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
1.765 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
1.765 * [taylor]: Taking taylor expansion of (exp x) in x
1.765 * [taylor]: Taking taylor expansion of x in x
1.766 * [taylor]: Taking taylor expansion of 1.0 in x
1.766 * [taylor]: Taking taylor expansion of (fma y (- x) (log (+ (exp x) 1.0))) in y
1.766 * [taylor]: Rewrote expression to (+ (* y (- x)) (log (+ (exp x) 1.0)))
1.766 * [taylor]: Taking taylor expansion of (* y (- x)) in y
1.766 * [taylor]: Taking taylor expansion of y in y
1.766 * [taylor]: Taking taylor expansion of (- x) in y
1.766 * [taylor]: Taking taylor expansion of x in y
1.766 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in y
1.766 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in y
1.766 * [taylor]: Taking taylor expansion of (exp x) in y
1.766 * [taylor]: Taking taylor expansion of x in y
1.766 * [taylor]: Taking taylor expansion of 1.0 in y
1.766 * [taylor]: Taking taylor expansion of (fma y (- x) (log (+ (exp x) 1.0))) in y
1.767 * [taylor]: Rewrote expression to (+ (* y (- x)) (log (+ (exp x) 1.0)))
1.767 * [taylor]: Taking taylor expansion of (* y (- x)) in y
1.767 * [taylor]: Taking taylor expansion of y in y
1.767 * [taylor]: Taking taylor expansion of (- x) in y
1.767 * [taylor]: Taking taylor expansion of x in y
1.767 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in y
1.767 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in y
1.767 * [taylor]: Taking taylor expansion of (exp x) in y
1.767 * [taylor]: Taking taylor expansion of x in y
1.767 * [taylor]: Taking taylor expansion of 1.0 in y
1.767 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
1.767 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
1.767 * [taylor]: Taking taylor expansion of (exp x) in x
1.767 * [taylor]: Taking taylor expansion of x in x
1.767 * [taylor]: Taking taylor expansion of 1.0 in x
1.770 * [taylor]: Taking taylor expansion of (- x) in x
1.770 * [taylor]: Taking taylor expansion of x in x
1.777 * [taylor]: Taking taylor expansion of 0 in x
1.778 * [approximate]: Taking taylor expansion of (fma (/ 1 y) (- (/ 1 x)) (log (+ (exp (/ 1 x)) 1.0))) in (y x) around 0
1.778 * [taylor]: Taking taylor expansion of (fma (/ 1 y) (- (/ 1 x)) (log (+ (exp (/ 1 x)) 1.0))) in x
1.778 * [taylor]: Rewrote expression to (+ (* (/ 1 y) (- (/ 1 x))) (log (+ (exp (/ 1 x)) 1.0)))
1.778 * [taylor]: Taking taylor expansion of (* (/ 1 y) (- (/ 1 x))) in x
1.778 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.778 * [taylor]: Taking taylor expansion of y in x
1.778 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
1.778 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.778 * [taylor]: Taking taylor expansion of x in x
1.778 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
1.778 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
1.778 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.778 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.778 * [taylor]: Taking taylor expansion of x in x
1.779 * [taylor]: Taking taylor expansion of 1.0 in x
1.779 * [taylor]: Taking taylor expansion of (fma (/ 1 y) (- (/ 1 x)) (log (+ (exp (/ 1 x)) 1.0))) in y
1.779 * [taylor]: Rewrote expression to (+ (* (/ 1 y) (- (/ 1 x))) (log (+ (exp (/ 1 x)) 1.0)))
1.779 * [taylor]: Taking taylor expansion of (* (/ 1 y) (- (/ 1 x))) in y
1.779 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.779 * [taylor]: Taking taylor expansion of y in y
1.779 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in y
1.779 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.779 * [taylor]: Taking taylor expansion of x in y
1.779 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in y
1.779 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in y
1.779 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in y
1.779 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.779 * [taylor]: Taking taylor expansion of x in y
1.779 * [taylor]: Taking taylor expansion of 1.0 in y
1.780 * [taylor]: Taking taylor expansion of (fma (/ 1 y) (- (/ 1 x)) (log (+ (exp (/ 1 x)) 1.0))) in y
1.780 * [taylor]: Rewrote expression to (+ (* (/ 1 y) (- (/ 1 x))) (log (+ (exp (/ 1 x)) 1.0)))
1.780 * [taylor]: Taking taylor expansion of (* (/ 1 y) (- (/ 1 x))) in y
1.780 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.780 * [taylor]: Taking taylor expansion of y in y
1.780 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in y
1.780 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.780 * [taylor]: Taking taylor expansion of x in y
1.780 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in y
1.780 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in y
1.780 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in y
1.780 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.780 * [taylor]: Taking taylor expansion of x in y
1.780 * [taylor]: Taking taylor expansion of 1.0 in y
1.780 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
1.780 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.780 * [taylor]: Taking taylor expansion of x in x
1.782 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
1.782 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
1.782 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.782 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.782 * [taylor]: Taking taylor expansion of x in x
1.782 * [taylor]: Taking taylor expansion of 1.0 in x
1.786 * [taylor]: Taking taylor expansion of 0 in x
1.792 * [taylor]: Taking taylor expansion of 0 in x
1.799 * [taylor]: Taking taylor expansion of 0 in x
1.799 * [approximate]: Taking taylor expansion of (fma (/ -1 y) (/ 1 x) (log (+ (exp (/ -1 x)) 1.0))) in (y x) around 0
1.799 * [taylor]: Taking taylor expansion of (fma (/ -1 y) (/ 1 x) (log (+ (exp (/ -1 x)) 1.0))) in x
1.799 * [taylor]: Rewrote expression to (+ (* (/ -1 y) (/ 1 x)) (log (+ (exp (/ -1 x)) 1.0)))
1.800 * [taylor]: Taking taylor expansion of (* (/ -1 y) (/ 1 x)) in x
1.800 * [taylor]: Taking taylor expansion of (/ -1 y) in x
1.800 * [taylor]: Taking taylor expansion of -1 in x
1.800 * [taylor]: Taking taylor expansion of y in x
1.800 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.800 * [taylor]: Taking taylor expansion of x in x
1.800 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
1.800 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
1.800 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.800 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.800 * [taylor]: Taking taylor expansion of -1 in x
1.800 * [taylor]: Taking taylor expansion of x in x
1.800 * [taylor]: Taking taylor expansion of 1.0 in x
1.800 * [taylor]: Taking taylor expansion of (fma (/ -1 y) (/ 1 x) (log (+ (exp (/ -1 x)) 1.0))) in y
1.801 * [taylor]: Rewrote expression to (+ (* (/ -1 y) (/ 1 x)) (log (+ (exp (/ -1 x)) 1.0)))
1.801 * [taylor]: Taking taylor expansion of (* (/ -1 y) (/ 1 x)) in y
1.801 * [taylor]: Taking taylor expansion of (/ -1 y) in y
1.801 * [taylor]: Taking taylor expansion of -1 in y
1.801 * [taylor]: Taking taylor expansion of y in y
1.801 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.801 * [taylor]: Taking taylor expansion of x in y
1.801 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in y
1.801 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in y
1.801 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in y
1.801 * [taylor]: Taking taylor expansion of (/ -1 x) in y
1.801 * [taylor]: Taking taylor expansion of -1 in y
1.801 * [taylor]: Taking taylor expansion of x in y
1.801 * [taylor]: Taking taylor expansion of 1.0 in y
1.801 * [taylor]: Taking taylor expansion of (fma (/ -1 y) (/ 1 x) (log (+ (exp (/ -1 x)) 1.0))) in y
1.802 * [taylor]: Rewrote expression to (+ (* (/ -1 y) (/ 1 x)) (log (+ (exp (/ -1 x)) 1.0)))
1.802 * [taylor]: Taking taylor expansion of (* (/ -1 y) (/ 1 x)) in y
1.802 * [taylor]: Taking taylor expansion of (/ -1 y) in y
1.802 * [taylor]: Taking taylor expansion of -1 in y
1.802 * [taylor]: Taking taylor expansion of y in y
1.802 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.802 * [taylor]: Taking taylor expansion of x in y
1.802 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in y
1.802 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in y
1.802 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in y
1.802 * [taylor]: Taking taylor expansion of (/ -1 x) in y
1.802 * [taylor]: Taking taylor expansion of -1 in y
1.802 * [taylor]: Taking taylor expansion of x in y
1.802 * [taylor]: Taking taylor expansion of 1.0 in y
1.802 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
1.802 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.802 * [taylor]: Taking taylor expansion of x in x
1.804 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
1.804 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
1.804 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.804 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.804 * [taylor]: Taking taylor expansion of -1 in x
1.804 * [taylor]: Taking taylor expansion of x in x
1.804 * [taylor]: Taking taylor expansion of 1.0 in x
1.808 * [taylor]: Taking taylor expansion of 0 in x
1.813 * [taylor]: Taking taylor expansion of 0 in x
1.819 * [taylor]: Taking taylor expansion of 0 in x
1.820 * * * * [progress]: [ 3 / 3 ] generating series at (2 1 3 1)
1.820 * [approximate]: Taking taylor expansion of (+ (exp x) 1.0) in (x) around 0
1.820 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
1.820 * [taylor]: Taking taylor expansion of (exp x) in x
1.820 * [taylor]: Taking taylor expansion of x in x
1.820 * [taylor]: Taking taylor expansion of 1.0 in x
1.820 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
1.820 * [taylor]: Taking taylor expansion of (exp x) in x
1.820 * [taylor]: Taking taylor expansion of x in x
1.820 * [taylor]: Taking taylor expansion of 1.0 in x
1.823 * [approximate]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in (x) around 0
1.823 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
1.823 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.823 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.823 * [taylor]: Taking taylor expansion of x in x
1.823 * [taylor]: Taking taylor expansion of 1.0 in x
1.823 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
1.823 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.823 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.823 * [taylor]: Taking taylor expansion of x in x
1.823 * [taylor]: Taking taylor expansion of 1.0 in x
1.825 * [approximate]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in (x) around 0
1.825 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
1.825 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.825 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.825 * [taylor]: Taking taylor expansion of -1 in x
1.825 * [taylor]: Taking taylor expansion of x in x
1.825 * [taylor]: Taking taylor expansion of 1.0 in x
1.825 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
1.825 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.825 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.825 * [taylor]: Taking taylor expansion of -1 in x
1.826 * [taylor]: Taking taylor expansion of x in x
1.826 * [taylor]: Taking taylor expansion of 1.0 in x
1.828 * * * [progress]: simplifying candidates
1.829 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (log (+ (exp x) 1.0)))
  (log1p (log (+ (exp x) 1.0)))
  (log (* (cbrt (+ (exp x) 1.0)) (cbrt (+ (exp x) 1.0))))
  (log (cbrt (+ (exp x) 1.0)))
  (log (sqrt (+ (exp x) 1.0)))
  (log (sqrt (+ (exp x) 1.0)))
  (log 1)
  (log (+ (exp x) 1.0))
  (log 1)
  (log (+ (exp x) 1.0))
  (log (+ (pow (exp x) 3) (pow 1.0 3)))
  (log (+ (* (exp x) (exp x)) (- (* 1.0 1.0) (* (exp x) 1.0))))
  (log (- (* (exp x) (exp x)) (* 1.0 1.0)))
  (log (- (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (log (log (+ (exp x) 1.0)))
  (exp (log (+ (exp x) 1.0)))
  (* (cbrt (log (+ (exp x) 1.0))) (cbrt (log (+ (exp x) 1.0))))
  (cbrt (log (+ (exp x) 1.0)))
  (* (* (log (+ (exp x) 1.0)) (log (+ (exp x) 1.0))) (log (+ (exp x) 1.0)))
  (sqrt (log (+ (exp x) 1.0)))
  (sqrt (log (+ (exp x) 1.0)))
  (expm1 (fma y (- x) (log (+ (exp x) 1.0))))
  (log1p (fma y (- x) (log (+ (exp x) 1.0))))
  (* y (- x))
  (log (fma y (- x) (log (+ (exp x) 1.0))))
  (exp (fma y (- x) (log (+ (exp x) 1.0))))
  (* (cbrt (fma y (- x) (log (+ (exp x) 1.0)))) (cbrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (cbrt (fma y (- x) (log (+ (exp x) 1.0))))
  (* (* (fma y (- x) (log (+ (exp x) 1.0))) (fma y (- x) (log (+ (exp x) 1.0)))) (fma y (- x) (log (+ (exp x) 1.0))))
  (sqrt (fma y (- x) (log (+ (exp x) 1.0))))
  (sqrt (fma y (- x) (log (+ (exp x) 1.0))))
  (expm1 (+ (exp x) 1.0))
  (log1p (+ (exp x) 1.0))
  (* (exp (exp x)) (exp 1.0))
  (log (+ (exp x) 1.0))
  (exp (+ (exp x) 1.0))
  (* (cbrt (+ (exp x) 1.0)) (cbrt (+ (exp x) 1.0)))
  (cbrt (+ (exp x) 1.0))
  (* (* (+ (exp x) 1.0) (+ (exp x) 1.0)) (+ (exp x) 1.0))
  (sqrt (+ (exp x) 1.0))
  (sqrt (+ (exp x) 1.0))
  (+ (pow (exp x) 3) (pow 1.0 3))
  (+ (* (exp x) (exp x)) (- (* 1.0 1.0) (* (exp x) 1.0)))
  (- (* (exp x) (exp x)) (* 1.0 1.0))
  (- (exp x) 1.0)
  (+ (exp x) 1.0)
  (- (+ (log 2.0) (+ (* 0.25 (pow x 2)) (* 0.5 x))) (* 1/2 (/ (pow x 2) (pow 2.0 2))))
  (log (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (- (+ (log 2.0) (* 0.5 x)) (* x y))
  (- (log (+ (exp x) 1.0)) (* x y))
  (- (log (+ (exp x) 1.0)) (* x y))
  (+ (* 1/2 (pow x 2)) (+ x 2.0))
  (+ (exp x) 1.0)
  (+ (exp x) 1.0)
1.831 * * [simplify]: iteration  0 :  80  enodes  (cost  466 )
1.848 * * [simplify]: iteration  1 :  164  enodes  (cost  451 )
1.874 * * [simplify]: iteration  2 :  370  enodes  (cost  407 )
1.952 * * [simplify]: iteration  3 :  1023  enodes  (cost  403 )
2.650 * * [simplify]: iteration  4 :  3348  enodes  (cost  400 )
4.121 * * [simplify]: iteration  done :  5001  enodes  (cost  400 )
4.122 * [simplify]: Simplified to:
   (expm1 (log (+ (exp x) 1.0)))
  (log1p (log (+ (exp x) 1.0)))
  (* 2 (log (cbrt (+ (exp x) 1.0))))
  (log (cbrt (+ (exp x) 1.0)))
  (log (sqrt (+ (exp x) 1.0)))
  (log (sqrt (+ (exp x) 1.0)))
  0
  (log (+ (exp x) 1.0))
  0
  (log (+ (exp x) 1.0))
  (log (+ (pow (exp x) 3) (pow 1.0 3)))
  (log (fma 1.0 (- 1.0 (exp x)) (exp (+ x x))))
  (log (- (exp (+ x x)) (* 1.0 1.0)))
  (log (- (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (log (log (+ (exp x) 1.0)))
  (+ 1.0 (exp x))
  (* (cbrt (log (+ (exp x) 1.0))) (cbrt (log (+ (exp x) 1.0))))
  (cbrt (log (+ (exp x) 1.0)))
  (pow (log (+ (exp x) 1.0)) 3)
  (sqrt (log (+ (exp x) 1.0)))
  (sqrt (log (+ (exp x) 1.0)))
  (expm1 (fma y (- x) (log (+ (exp x) 1.0))))
  (log1p (fma y (- x) (log (+ (exp x) 1.0))))
  (* y (- x))
  (log (fma y (- x) (log (+ (exp x) 1.0))))
  (/ (+ 1.0 (exp x)) (exp (* x y)))
  (* (cbrt (fma y (- x) (log (+ (exp x) 1.0)))) (cbrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (cbrt (fma y (- x) (log (+ (exp x) 1.0))))
  (pow (- (log (+ (exp x) 1.0)) (* x y)) 3)
  (sqrt (fma y (- x) (log (+ (exp x) 1.0))))
  (sqrt (fma y (- x) (log (+ (exp x) 1.0))))
  (expm1 (+ (exp x) 1.0))
  (log1p (+ (exp x) 1.0))
  (exp (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (exp (+ (exp x) 1.0))
  (* (cbrt (+ (exp x) 1.0)) (cbrt (+ (exp x) 1.0)))
  (cbrt (+ (exp x) 1.0))
  (pow (+ 1.0 (exp x)) 3)
  (sqrt (+ (exp x) 1.0))
  (sqrt (+ (exp x) 1.0))
  (+ (pow (exp x) 3) (pow 1.0 3))
  (fma 1.0 (- 1.0 (exp x)) (exp (+ x x)))
  (- (exp (+ x x)) (* 1.0 1.0))
  (- (exp x) 1.0)
  (+ 1.0 (exp x))
  (fma x (fma x 0.25 0.5) (fma (/ x (/ 2.0 x)) (/ -1/2 2.0) (log 2.0)))
  (log (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (fma x (- 0.5 y) (log 2.0))
  (fma y (- x) (log (+ (exp x) 1.0)))
  (fma y (- x) (log (+ (exp x) 1.0)))
  (fma (fma 1/2 x 1) x 2.0)
  (+ 1.0 (exp x))
  (+ 1.0 (exp x))
4.122 * * * [progress]: adding candidates to table
4.261 * * [progress]: iteration 3 / 4
4.261 * * * [progress]: picking best candidate
4.269 * * * * [pick]: Picked  #<alt (λ (x y) (+ (fma x (- 0.5 y) (log 2.0)) 0))>
4.270 * * * [progress]: localizing error
4.277 * * * [progress]: generating rewritten candidates
4.277 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
4.278 * * * [progress]: generating series expansions
4.278 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
4.278 * [approximate]: Taking taylor expansion of (fma x (- 0.5 y) (log 2.0)) in (x y) around 0
4.278 * [taylor]: Taking taylor expansion of (fma x (- 0.5 y) (log 2.0)) in y
4.279 * [taylor]: Rewrote expression to (+ (* x (- 0.5 y)) (log 2.0))
4.279 * [taylor]: Taking taylor expansion of (* x (- 0.5 y)) in y
4.279 * [taylor]: Taking taylor expansion of x in y
4.279 * [taylor]: Taking taylor expansion of (- 0.5 y) in y
4.279 * [taylor]: Taking taylor expansion of 0.5 in y
4.279 * [taylor]: Taking taylor expansion of y in y
4.279 * [taylor]: Taking taylor expansion of (log 2.0) in y
4.279 * [taylor]: Taking taylor expansion of 2.0 in y
4.279 * [taylor]: Taking taylor expansion of (fma x (- 0.5 y) (log 2.0)) in x
4.279 * [taylor]: Rewrote expression to (+ (* x (- 0.5 y)) (log 2.0))
4.279 * [taylor]: Taking taylor expansion of (* x (- 0.5 y)) in x
4.279 * [taylor]: Taking taylor expansion of x in x
4.279 * [taylor]: Taking taylor expansion of (- 0.5 y) in x
4.279 * [taylor]: Taking taylor expansion of 0.5 in x
4.279 * [taylor]: Taking taylor expansion of y in x
4.279 * [taylor]: Taking taylor expansion of (log 2.0) in x
4.279 * [taylor]: Taking taylor expansion of 2.0 in x
4.280 * [taylor]: Taking taylor expansion of (fma x (- 0.5 y) (log 2.0)) in x
4.280 * [taylor]: Rewrote expression to (+ (* x (- 0.5 y)) (log 2.0))
4.280 * [taylor]: Taking taylor expansion of (* x (- 0.5 y)) in x
4.280 * [taylor]: Taking taylor expansion of x in x
4.280 * [taylor]: Taking taylor expansion of (- 0.5 y) in x
4.280 * [taylor]: Taking taylor expansion of 0.5 in x
4.280 * [taylor]: Taking taylor expansion of y in x
4.280 * [taylor]: Taking taylor expansion of (log 2.0) in x
4.280 * [taylor]: Taking taylor expansion of 2.0 in x
4.281 * [taylor]: Taking taylor expansion of (log 2.0) in y
4.281 * [taylor]: Taking taylor expansion of 2.0 in y
4.283 * [taylor]: Taking taylor expansion of (- 0.5 y) in y
4.283 * [taylor]: Taking taylor expansion of 0.5 in y
4.283 * [taylor]: Taking taylor expansion of y in y
4.288 * [taylor]: Taking taylor expansion of 0 in y
4.289 * [approximate]: Taking taylor expansion of (fma (/ 1 x) (- 0.5 (/ 1 y)) (log 2.0)) in (x y) around 0
4.289 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (- 0.5 (/ 1 y)) (log 2.0)) in y
4.289 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (- 0.5 (/ 1 y))) (log 2.0))
4.289 * [taylor]: Taking taylor expansion of (* (/ 1 x) (- 0.5 (/ 1 y))) in y
4.289 * [taylor]: Taking taylor expansion of (/ 1 x) in y
4.289 * [taylor]: Taking taylor expansion of x in y
4.290 * [taylor]: Taking taylor expansion of (- 0.5 (/ 1 y)) in y
4.290 * [taylor]: Taking taylor expansion of 0.5 in y
4.290 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.290 * [taylor]: Taking taylor expansion of y in y
4.290 * [taylor]: Taking taylor expansion of (log 2.0) in y
4.290 * [taylor]: Taking taylor expansion of 2.0 in y
4.290 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (- 0.5 (/ 1 y)) (log 2.0)) in x
4.290 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (- 0.5 (/ 1 y))) (log 2.0))
4.290 * [taylor]: Taking taylor expansion of (* (/ 1 x) (- 0.5 (/ 1 y))) in x
4.290 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.290 * [taylor]: Taking taylor expansion of x in x
4.291 * [taylor]: Taking taylor expansion of (- 0.5 (/ 1 y)) in x
4.291 * [taylor]: Taking taylor expansion of 0.5 in x
4.291 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.291 * [taylor]: Taking taylor expansion of y in x
4.291 * [taylor]: Taking taylor expansion of (log 2.0) in x
4.291 * [taylor]: Taking taylor expansion of 2.0 in x
4.291 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (- 0.5 (/ 1 y)) (log 2.0)) in x
4.291 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (- 0.5 (/ 1 y))) (log 2.0))
4.291 * [taylor]: Taking taylor expansion of (* (/ 1 x) (- 0.5 (/ 1 y))) in x
4.291 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.291 * [taylor]: Taking taylor expansion of x in x
4.291 * [taylor]: Taking taylor expansion of (- 0.5 (/ 1 y)) in x
4.292 * [taylor]: Taking taylor expansion of 0.5 in x
4.292 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.292 * [taylor]: Taking taylor expansion of y in x
4.292 * [taylor]: Taking taylor expansion of (log 2.0) in x
4.292 * [taylor]: Taking taylor expansion of 2.0 in x
4.292 * [taylor]: Taking taylor expansion of (- 0.5 (/ 1 y)) in y
4.292 * [taylor]: Taking taylor expansion of 0.5 in y
4.292 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.292 * [taylor]: Taking taylor expansion of y in y
4.295 * [taylor]: Taking taylor expansion of (log 2.0) in y
4.295 * [taylor]: Taking taylor expansion of 2.0 in y
4.298 * [taylor]: Taking taylor expansion of 0 in y
4.299 * [approximate]: Taking taylor expansion of (fma (/ -1 x) (+ (/ 1 y) 0.5) (log 2.0)) in (x y) around 0
4.300 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (+ (/ 1 y) 0.5) (log 2.0)) in y
4.300 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (+ (/ 1 y) 0.5)) (log 2.0))
4.300 * [taylor]: Taking taylor expansion of (* (/ -1 x) (+ (/ 1 y) 0.5)) in y
4.300 * [taylor]: Taking taylor expansion of (/ -1 x) in y
4.300 * [taylor]: Taking taylor expansion of -1 in y
4.300 * [taylor]: Taking taylor expansion of x in y
4.300 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in y
4.300 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.300 * [taylor]: Taking taylor expansion of y in y
4.300 * [taylor]: Taking taylor expansion of 0.5 in y
4.300 * [taylor]: Taking taylor expansion of (log 2.0) in y
4.300 * [taylor]: Taking taylor expansion of 2.0 in y
4.300 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (+ (/ 1 y) 0.5) (log 2.0)) in x
4.301 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (+ (/ 1 y) 0.5)) (log 2.0))
4.301 * [taylor]: Taking taylor expansion of (* (/ -1 x) (+ (/ 1 y) 0.5)) in x
4.301 * [taylor]: Taking taylor expansion of (/ -1 x) in x
4.301 * [taylor]: Taking taylor expansion of -1 in x
4.301 * [taylor]: Taking taylor expansion of x in x
4.301 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in x
4.301 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.301 * [taylor]: Taking taylor expansion of y in x
4.301 * [taylor]: Taking taylor expansion of 0.5 in x
4.301 * [taylor]: Taking taylor expansion of (log 2.0) in x
4.301 * [taylor]: Taking taylor expansion of 2.0 in x
4.301 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (+ (/ 1 y) 0.5) (log 2.0)) in x
4.301 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (+ (/ 1 y) 0.5)) (log 2.0))
4.301 * [taylor]: Taking taylor expansion of (* (/ -1 x) (+ (/ 1 y) 0.5)) in x
4.301 * [taylor]: Taking taylor expansion of (/ -1 x) in x
4.301 * [taylor]: Taking taylor expansion of -1 in x
4.301 * [taylor]: Taking taylor expansion of x in x
4.302 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in x
4.302 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.302 * [taylor]: Taking taylor expansion of y in x
4.302 * [taylor]: Taking taylor expansion of 0.5 in x
4.302 * [taylor]: Taking taylor expansion of (log 2.0) in x
4.302 * [taylor]: Taking taylor expansion of 2.0 in x
4.302 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) 0.5)) in y
4.302 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in y
4.302 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.302 * [taylor]: Taking taylor expansion of y in y
4.303 * [taylor]: Taking taylor expansion of 0.5 in y
4.305 * [taylor]: Taking taylor expansion of (log 2.0) in y
4.305 * [taylor]: Taking taylor expansion of 2.0 in y
4.309 * [taylor]: Taking taylor expansion of 0 in y
4.310 * * * [progress]: simplifying candidates
4.310 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (fma x (- 0.5 y) (log 2.0)))
  (log1p (fma x (- 0.5 y) (log 2.0)))
  (* x (- 0.5 y))
  (log (fma x (- 0.5 y) (log 2.0)))
  (exp (fma x (- 0.5 y) (log 2.0)))
  (* (cbrt (fma x (- 0.5 y) (log 2.0))) (cbrt (fma x (- 0.5 y) (log 2.0))))
  (cbrt (fma x (- 0.5 y) (log 2.0)))
  (* (* (fma x (- 0.5 y) (log 2.0)) (fma x (- 0.5 y) (log 2.0))) (fma x (- 0.5 y) (log 2.0)))
  (sqrt (fma x (- 0.5 y) (log 2.0)))
  (sqrt (fma x (- 0.5 y) (log 2.0)))
  (- (+ (log 2.0) (* 0.5 x)) (* x y))
  (- (+ (log 2.0) (* 0.5 x)) (* x y))
  (- (+ (log 2.0) (* 0.5 x)) (* x y))
4.311 * * [simplify]: iteration  0 :  21  enodes  (cost  131 )
4.313 * * [simplify]: iteration  1 :  33  enodes  (cost  131 )
4.318 * * [simplify]: iteration  2 :  71  enodes  (cost  108 )
4.334 * * [simplify]: iteration  3 :  214  enodes  (cost  108 )
4.405 * * [simplify]: iteration  4 :  1018  enodes  (cost  108 )
5.118 * * [simplify]: iteration  done :  5000  enodes  (cost  108 )
5.118 * [simplify]: Simplified to:
   (expm1 (fma x (- 0.5 y) (log 2.0)))
  (log1p (fma x (- 0.5 y) (log 2.0)))
  (* x (- 0.5 y))
  (log (fma x (- 0.5 y) (log 2.0)))
  (exp (fma x (- 0.5 y) (log 2.0)))
  (* (cbrt (fma x (- 0.5 y) (log 2.0))) (cbrt (fma x (- 0.5 y) (log 2.0))))
  (cbrt (fma x (- 0.5 y) (log 2.0)))
  (pow (fma x (- 0.5 y) (log 2.0)) 3)
  (sqrt (fma x (- 0.5 y) (log 2.0)))
  (sqrt (fma x (- 0.5 y) (log 2.0)))
  (fma x (- 0.5 y) (log 2.0))
  (fma x (- 0.5 y) (log 2.0))
  (fma x (- 0.5 y) (log 2.0))
5.119 * * * [progress]: adding candidates to table
5.145 * * [progress]: iteration 4 / 4
5.145 * * * [progress]: picking best candidate
5.152 * * * * [pick]: Picked  #<alt (λ (x y) (+ (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) 0))>
5.152 * * * [progress]: localizing error
5.163 * * * [progress]: generating rewritten candidates
5.164 * * * * [progress]: [ 1 / 4 ] rewriting at (2 1 2 1 3)
5.169 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1 1 1 3)
5.173 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1)
5.180 * * * * [progress]: [ 4 / 4 ] rewriting at (2 1 2)
5.183 * * * [progress]: generating series expansions
5.183 * * * * [progress]: [ 1 / 4 ] generating series at (2 1 2 1 3)
5.183 * [approximate]: Taking taylor expansion of (log (+ (exp x) 1.0)) in (x) around 0
5.183 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
5.183 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
5.183 * [taylor]: Taking taylor expansion of (exp x) in x
5.183 * [taylor]: Taking taylor expansion of x in x
5.183 * [taylor]: Taking taylor expansion of 1.0 in x
5.184 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
5.184 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
5.184 * [taylor]: Taking taylor expansion of (exp x) in x
5.184 * [taylor]: Taking taylor expansion of x in x
5.184 * [taylor]: Taking taylor expansion of 1.0 in x
5.201 * [approximate]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in (x) around 0
5.201 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
5.201 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
5.201 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
5.201 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.201 * [taylor]: Taking taylor expansion of x in x
5.201 * [taylor]: Taking taylor expansion of 1.0 in x
5.201 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
5.201 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
5.201 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
5.201 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.201 * [taylor]: Taking taylor expansion of x in x
5.202 * [taylor]: Taking taylor expansion of 1.0 in x
5.222 * [approximate]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in (x) around 0
5.222 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
5.222 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
5.222 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
5.222 * [taylor]: Taking taylor expansion of (/ -1 x) in x
5.222 * [taylor]: Taking taylor expansion of -1 in x
5.222 * [taylor]: Taking taylor expansion of x in x
5.222 * [taylor]: Taking taylor expansion of 1.0 in x
5.222 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
5.222 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
5.222 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
5.222 * [taylor]: Taking taylor expansion of (/ -1 x) in x
5.222 * [taylor]: Taking taylor expansion of -1 in x
5.222 * [taylor]: Taking taylor expansion of x in x
5.223 * [taylor]: Taking taylor expansion of 1.0 in x
5.243 * * * * [progress]: [ 2 / 4 ] generating series at (2 1 1 1 3)
5.243 * [approximate]: Taking taylor expansion of (log (+ (exp x) 1.0)) in (x) around 0
5.243 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
5.243 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
5.243 * [taylor]: Taking taylor expansion of (exp x) in x
5.243 * [taylor]: Taking taylor expansion of x in x
5.243 * [taylor]: Taking taylor expansion of 1.0 in x
5.244 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
5.244 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
5.244 * [taylor]: Taking taylor expansion of (exp x) in x
5.244 * [taylor]: Taking taylor expansion of x in x
5.244 * [taylor]: Taking taylor expansion of 1.0 in x
5.263 * [approximate]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in (x) around 0
5.263 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
5.263 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
5.263 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
5.263 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.263 * [taylor]: Taking taylor expansion of x in x
5.263 * [taylor]: Taking taylor expansion of 1.0 in x
5.264 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
5.264 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
5.264 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
5.264 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.264 * [taylor]: Taking taylor expansion of x in x
5.264 * [taylor]: Taking taylor expansion of 1.0 in x
5.284 * [approximate]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in (x) around 0
5.284 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
5.284 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
5.284 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
5.284 * [taylor]: Taking taylor expansion of (/ -1 x) in x
5.284 * [taylor]: Taking taylor expansion of -1 in x
5.284 * [taylor]: Taking taylor expansion of x in x
5.284 * [taylor]: Taking taylor expansion of 1.0 in x
5.284 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
5.284 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
5.284 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
5.284 * [taylor]: Taking taylor expansion of (/ -1 x) in x
5.284 * [taylor]: Taking taylor expansion of -1 in x
5.284 * [taylor]: Taking taylor expansion of x in x
5.285 * [taylor]: Taking taylor expansion of 1.0 in x
5.305 * * * * [progress]: [ 3 / 4 ] generating series at (2 1)
5.305 * [approximate]: Taking taylor expansion of (fma y (- x) (log (+ (exp x) 1.0))) in (y x) around 0
5.305 * [taylor]: Taking taylor expansion of (fma y (- x) (log (+ (exp x) 1.0))) in x
5.305 * [taylor]: Rewrote expression to (+ (* y (- x)) (log (+ (exp x) 1.0)))
5.305 * [taylor]: Taking taylor expansion of (* y (- x)) in x
5.305 * [taylor]: Taking taylor expansion of y in x
5.305 * [taylor]: Taking taylor expansion of (- x) in x
5.305 * [taylor]: Taking taylor expansion of x in x
5.305 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
5.305 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
5.305 * [taylor]: Taking taylor expansion of (exp x) in x
5.305 * [taylor]: Taking taylor expansion of x in x
5.305 * [taylor]: Taking taylor expansion of 1.0 in x
5.306 * [taylor]: Taking taylor expansion of (fma y (- x) (log (+ (exp x) 1.0))) in y
5.306 * [taylor]: Rewrote expression to (+ (* y (- x)) (log (+ (exp x) 1.0)))
5.306 * [taylor]: Taking taylor expansion of (* y (- x)) in y
5.306 * [taylor]: Taking taylor expansion of y in y
5.306 * [taylor]: Taking taylor expansion of (- x) in y
5.306 * [taylor]: Taking taylor expansion of x in y
5.306 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in y
5.306 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in y
5.306 * [taylor]: Taking taylor expansion of (exp x) in y
5.306 * [taylor]: Taking taylor expansion of x in y
5.306 * [taylor]: Taking taylor expansion of 1.0 in y
5.306 * [taylor]: Taking taylor expansion of (fma y (- x) (log (+ (exp x) 1.0))) in y
5.306 * [taylor]: Rewrote expression to (+ (* y (- x)) (log (+ (exp x) 1.0)))
5.307 * [taylor]: Taking taylor expansion of (* y (- x)) in y
5.307 * [taylor]: Taking taylor expansion of y in y
5.307 * [taylor]: Taking taylor expansion of (- x) in y
5.307 * [taylor]: Taking taylor expansion of x in y
5.307 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in y
5.307 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in y
5.307 * [taylor]: Taking taylor expansion of (exp x) in y
5.307 * [taylor]: Taking taylor expansion of x in y
5.307 * [taylor]: Taking taylor expansion of 1.0 in y
5.307 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
5.307 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
5.307 * [taylor]: Taking taylor expansion of (exp x) in x
5.307 * [taylor]: Taking taylor expansion of x in x
5.307 * [taylor]: Taking taylor expansion of 1.0 in x
5.309 * [taylor]: Taking taylor expansion of (- x) in x
5.309 * [taylor]: Taking taylor expansion of x in x
5.317 * [taylor]: Taking taylor expansion of 0 in x
5.318 * [approximate]: Taking taylor expansion of (fma (/ 1 y) (- (/ 1 x)) (log (+ (exp (/ 1 x)) 1.0))) in (y x) around 0
5.318 * [taylor]: Taking taylor expansion of (fma (/ 1 y) (- (/ 1 x)) (log (+ (exp (/ 1 x)) 1.0))) in x
5.318 * [taylor]: Rewrote expression to (+ (* (/ 1 y) (- (/ 1 x))) (log (+ (exp (/ 1 x)) 1.0)))
5.318 * [taylor]: Taking taylor expansion of (* (/ 1 y) (- (/ 1 x))) in x
5.318 * [taylor]: Taking taylor expansion of (/ 1 y) in x
5.318 * [taylor]: Taking taylor expansion of y in x
5.318 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
5.318 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.318 * [taylor]: Taking taylor expansion of x in x
5.318 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
5.318 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
5.318 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
5.318 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.318 * [taylor]: Taking taylor expansion of x in x
5.319 * [taylor]: Taking taylor expansion of 1.0 in x
5.319 * [taylor]: Taking taylor expansion of (fma (/ 1 y) (- (/ 1 x)) (log (+ (exp (/ 1 x)) 1.0))) in y
5.319 * [taylor]: Rewrote expression to (+ (* (/ 1 y) (- (/ 1 x))) (log (+ (exp (/ 1 x)) 1.0)))
5.319 * [taylor]: Taking taylor expansion of (* (/ 1 y) (- (/ 1 x))) in y
5.319 * [taylor]: Taking taylor expansion of (/ 1 y) in y
5.319 * [taylor]: Taking taylor expansion of y in y
5.319 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in y
5.319 * [taylor]: Taking taylor expansion of (/ 1 x) in y
5.319 * [taylor]: Taking taylor expansion of x in y
5.319 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in y
5.319 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in y
5.319 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in y
5.319 * [taylor]: Taking taylor expansion of (/ 1 x) in y
5.319 * [taylor]: Taking taylor expansion of x in y
5.319 * [taylor]: Taking taylor expansion of 1.0 in y
5.320 * [taylor]: Taking taylor expansion of (fma (/ 1 y) (- (/ 1 x)) (log (+ (exp (/ 1 x)) 1.0))) in y
5.320 * [taylor]: Rewrote expression to (+ (* (/ 1 y) (- (/ 1 x))) (log (+ (exp (/ 1 x)) 1.0)))
5.320 * [taylor]: Taking taylor expansion of (* (/ 1 y) (- (/ 1 x))) in y
5.320 * [taylor]: Taking taylor expansion of (/ 1 y) in y
5.320 * [taylor]: Taking taylor expansion of y in y
5.320 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in y
5.320 * [taylor]: Taking taylor expansion of (/ 1 x) in y
5.320 * [taylor]: Taking taylor expansion of x in y
5.320 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in y
5.320 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in y
5.320 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in y
5.320 * [taylor]: Taking taylor expansion of (/ 1 x) in y
5.320 * [taylor]: Taking taylor expansion of x in y
5.320 * [taylor]: Taking taylor expansion of 1.0 in y
5.320 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
5.320 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.320 * [taylor]: Taking taylor expansion of x in x
5.322 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
5.322 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
5.322 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
5.322 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.322 * [taylor]: Taking taylor expansion of x in x
5.322 * [taylor]: Taking taylor expansion of 1.0 in x
5.326 * [taylor]: Taking taylor expansion of 0 in x
5.334 * [taylor]: Taking taylor expansion of 0 in x
5.341 * [taylor]: Taking taylor expansion of 0 in x
5.342 * [approximate]: Taking taylor expansion of (fma (/ -1 y) (/ 1 x) (log (+ (exp (/ -1 x)) 1.0))) in (y x) around 0
5.342 * [taylor]: Taking taylor expansion of (fma (/ -1 y) (/ 1 x) (log (+ (exp (/ -1 x)) 1.0))) in x
5.342 * [taylor]: Rewrote expression to (+ (* (/ -1 y) (/ 1 x)) (log (+ (exp (/ -1 x)) 1.0)))
5.342 * [taylor]: Taking taylor expansion of (* (/ -1 y) (/ 1 x)) in x
5.342 * [taylor]: Taking taylor expansion of (/ -1 y) in x
5.342 * [taylor]: Taking taylor expansion of -1 in x
5.342 * [taylor]: Taking taylor expansion of y in x
5.342 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.342 * [taylor]: Taking taylor expansion of x in x
5.343 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
5.343 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
5.343 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
5.343 * [taylor]: Taking taylor expansion of (/ -1 x) in x
5.343 * [taylor]: Taking taylor expansion of -1 in x
5.343 * [taylor]: Taking taylor expansion of x in x
5.343 * [taylor]: Taking taylor expansion of 1.0 in x
5.343 * [taylor]: Taking taylor expansion of (fma (/ -1 y) (/ 1 x) (log (+ (exp (/ -1 x)) 1.0))) in y
5.343 * [taylor]: Rewrote expression to (+ (* (/ -1 y) (/ 1 x)) (log (+ (exp (/ -1 x)) 1.0)))
5.343 * [taylor]: Taking taylor expansion of (* (/ -1 y) (/ 1 x)) in y
5.343 * [taylor]: Taking taylor expansion of (/ -1 y) in y
5.343 * [taylor]: Taking taylor expansion of -1 in y
5.343 * [taylor]: Taking taylor expansion of y in y
5.344 * [taylor]: Taking taylor expansion of (/ 1 x) in y
5.344 * [taylor]: Taking taylor expansion of x in y
5.344 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in y
5.344 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in y
5.344 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in y
5.344 * [taylor]: Taking taylor expansion of (/ -1 x) in y
5.344 * [taylor]: Taking taylor expansion of -1 in y
5.344 * [taylor]: Taking taylor expansion of x in y
5.344 * [taylor]: Taking taylor expansion of 1.0 in y
5.344 * [taylor]: Taking taylor expansion of (fma (/ -1 y) (/ 1 x) (log (+ (exp (/ -1 x)) 1.0))) in y
5.344 * [taylor]: Rewrote expression to (+ (* (/ -1 y) (/ 1 x)) (log (+ (exp (/ -1 x)) 1.0)))
5.344 * [taylor]: Taking taylor expansion of (* (/ -1 y) (/ 1 x)) in y
5.344 * [taylor]: Taking taylor expansion of (/ -1 y) in y
5.344 * [taylor]: Taking taylor expansion of -1 in y
5.344 * [taylor]: Taking taylor expansion of y in y
5.344 * [taylor]: Taking taylor expansion of (/ 1 x) in y
5.344 * [taylor]: Taking taylor expansion of x in y
5.344 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in y
5.344 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in y
5.344 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in y
5.345 * [taylor]: Taking taylor expansion of (/ -1 x) in y
5.345 * [taylor]: Taking taylor expansion of -1 in y
5.345 * [taylor]: Taking taylor expansion of x in y
5.345 * [taylor]: Taking taylor expansion of 1.0 in y
5.345 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
5.345 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.345 * [taylor]: Taking taylor expansion of x in x
5.346 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
5.346 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
5.346 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
5.346 * [taylor]: Taking taylor expansion of (/ -1 x) in x
5.346 * [taylor]: Taking taylor expansion of -1 in x
5.346 * [taylor]: Taking taylor expansion of x in x
5.347 * [taylor]: Taking taylor expansion of 1.0 in x
5.350 * [taylor]: Taking taylor expansion of 0 in x
5.355 * [taylor]: Taking taylor expansion of 0 in x
5.362 * [taylor]: Taking taylor expansion of 0 in x
5.362 * * * * [progress]: [ 4 / 4 ] generating series at (2 1 2)
5.362 * [approximate]: Taking taylor expansion of (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) in (y x) around 0
5.362 * [taylor]: Taking taylor expansion of (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) in x
5.362 * [taylor]: Taking taylor expansion of (fma y (- x) (log (+ (exp x) 1.0))) in x
5.362 * [taylor]: Rewrote expression to (+ (* y (- x)) (log (+ (exp x) 1.0)))
5.362 * [taylor]: Taking taylor expansion of (* y (- x)) in x
5.362 * [taylor]: Taking taylor expansion of y in x
5.362 * [taylor]: Taking taylor expansion of (- x) in x
5.362 * [taylor]: Taking taylor expansion of x in x
5.362 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
5.362 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
5.363 * [taylor]: Taking taylor expansion of (exp x) in x
5.363 * [taylor]: Taking taylor expansion of x in x
5.363 * [taylor]: Taking taylor expansion of 1.0 in x
5.370 * [taylor]: Taking taylor expansion of (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) in y
5.370 * [taylor]: Taking taylor expansion of (fma y (- x) (log (+ (exp x) 1.0))) in y
5.371 * [taylor]: Rewrote expression to (+ (* y (- x)) (log (+ (exp x) 1.0)))
5.371 * [taylor]: Taking taylor expansion of (* y (- x)) in y
5.371 * [taylor]: Taking taylor expansion of y in y
5.371 * [taylor]: Taking taylor expansion of (- x) in y
5.371 * [taylor]: Taking taylor expansion of x in y
5.371 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in y
5.371 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in y
5.371 * [taylor]: Taking taylor expansion of (exp x) in y
5.371 * [taylor]: Taking taylor expansion of x in y
5.371 * [taylor]: Taking taylor expansion of 1.0 in y
5.373 * [taylor]: Taking taylor expansion of (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) in y
5.373 * [taylor]: Taking taylor expansion of (fma y (- x) (log (+ (exp x) 1.0))) in y
5.373 * [taylor]: Rewrote expression to (+ (* y (- x)) (log (+ (exp x) 1.0)))
5.373 * [taylor]: Taking taylor expansion of (* y (- x)) in y
5.373 * [taylor]: Taking taylor expansion of y in y
5.373 * [taylor]: Taking taylor expansion of (- x) in y
5.373 * [taylor]: Taking taylor expansion of x in y
5.373 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in y
5.373 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in y
5.373 * [taylor]: Taking taylor expansion of (exp x) in y
5.373 * [taylor]: Taking taylor expansion of x in y
5.373 * [taylor]: Taking taylor expansion of 1.0 in y
5.375 * [taylor]: Taking taylor expansion of (sqrt (log (+ (exp x) 1.0))) in x
5.375 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
5.375 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
5.375 * [taylor]: Taking taylor expansion of (exp x) in x
5.375 * [taylor]: Taking taylor expansion of x in x
5.375 * [taylor]: Taking taylor expansion of 1.0 in x
5.382 * [taylor]: Taking taylor expansion of (* -1/2 (* x (sqrt (/ 1 (log (+ (exp x) 1.0)))))) in x
5.382 * [taylor]: Taking taylor expansion of -1/2 in x
5.382 * [taylor]: Taking taylor expansion of (* x (sqrt (/ 1 (log (+ (exp x) 1.0))))) in x
5.382 * [taylor]: Taking taylor expansion of x in x
5.382 * [taylor]: Taking taylor expansion of (sqrt (/ 1 (log (+ (exp x) 1.0)))) in x
5.382 * [taylor]: Taking taylor expansion of (/ 1 (log (+ (exp x) 1.0))) in x
5.382 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
5.382 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
5.383 * [taylor]: Taking taylor expansion of (exp x) in x
5.383 * [taylor]: Taking taylor expansion of x in x
5.383 * [taylor]: Taking taylor expansion of 1.0 in x
5.402 * [taylor]: Taking taylor expansion of (* -1/8 (* (pow x 2) (sqrt (/ 1 (pow (log (+ (exp x) 1.0)) 3))))) in x
5.402 * [taylor]: Taking taylor expansion of -1/8 in x
5.402 * [taylor]: Taking taylor expansion of (* (pow x 2) (sqrt (/ 1 (pow (log (+ (exp x) 1.0)) 3)))) in x
5.402 * [taylor]: Taking taylor expansion of (pow x 2) in x
5.402 * [taylor]: Taking taylor expansion of x in x
5.402 * [taylor]: Taking taylor expansion of (sqrt (/ 1 (pow (log (+ (exp x) 1.0)) 3))) in x
5.402 * [taylor]: Taking taylor expansion of (/ 1 (pow (log (+ (exp x) 1.0)) 3)) in x
5.402 * [taylor]: Taking taylor expansion of (pow (log (+ (exp x) 1.0)) 3) in x
5.402 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
5.402 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
5.402 * [taylor]: Taking taylor expansion of (exp x) in x
5.402 * [taylor]: Taking taylor expansion of x in x
5.402 * [taylor]: Taking taylor expansion of 1.0 in x
5.443 * [approximate]: Taking taylor expansion of (sqrt (fma (/ 1 y) (- (/ 1 x)) (log (+ (exp (/ 1 x)) 1.0)))) in (y x) around 0
5.444 * [taylor]: Taking taylor expansion of (sqrt (fma (/ 1 y) (- (/ 1 x)) (log (+ (exp (/ 1 x)) 1.0)))) in x
5.444 * [taylor]: Taking taylor expansion of (fma (/ 1 y) (- (/ 1 x)) (log (+ (exp (/ 1 x)) 1.0))) in x
5.444 * [taylor]: Rewrote expression to (+ (* (/ 1 y) (- (/ 1 x))) (log (+ (exp (/ 1 x)) 1.0)))
5.444 * [taylor]: Taking taylor expansion of (* (/ 1 y) (- (/ 1 x))) in x
5.444 * [taylor]: Taking taylor expansion of (/ 1 y) in x
5.444 * [taylor]: Taking taylor expansion of y in x
5.444 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
5.444 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.444 * [taylor]: Taking taylor expansion of x in x
5.444 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
5.444 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
5.444 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
5.444 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.444 * [taylor]: Taking taylor expansion of x in x
5.445 * [taylor]: Taking taylor expansion of 1.0 in x
5.446 * [taylor]: Taking taylor expansion of (sqrt (fma (/ 1 y) (- (/ 1 x)) (log (+ (exp (/ 1 x)) 1.0)))) in y
5.446 * [taylor]: Taking taylor expansion of (fma (/ 1 y) (- (/ 1 x)) (log (+ (exp (/ 1 x)) 1.0))) in y
5.446 * [taylor]: Rewrote expression to (+ (* (/ 1 y) (- (/ 1 x))) (log (+ (exp (/ 1 x)) 1.0)))
5.446 * [taylor]: Taking taylor expansion of (* (/ 1 y) (- (/ 1 x))) in y
5.446 * [taylor]: Taking taylor expansion of (/ 1 y) in y
5.446 * [taylor]: Taking taylor expansion of y in y
5.446 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in y
5.446 * [taylor]: Taking taylor expansion of (/ 1 x) in y
5.446 * [taylor]: Taking taylor expansion of x in y
5.446 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in y
5.446 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in y
5.446 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in y
5.446 * [taylor]: Taking taylor expansion of (/ 1 x) in y
5.446 * [taylor]: Taking taylor expansion of x in y
5.446 * [taylor]: Taking taylor expansion of 1.0 in y
5.447 * [taylor]: Taking taylor expansion of (sqrt (fma (/ 1 y) (- (/ 1 x)) (log (+ (exp (/ 1 x)) 1.0)))) in y
5.447 * [taylor]: Taking taylor expansion of (fma (/ 1 y) (- (/ 1 x)) (log (+ (exp (/ 1 x)) 1.0))) in y
5.447 * [taylor]: Rewrote expression to (+ (* (/ 1 y) (- (/ 1 x))) (log (+ (exp (/ 1 x)) 1.0)))
5.447 * [taylor]: Taking taylor expansion of (* (/ 1 y) (- (/ 1 x))) in y
5.448 * [taylor]: Taking taylor expansion of (/ 1 y) in y
5.448 * [taylor]: Taking taylor expansion of y in y
5.448 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in y
5.448 * [taylor]: Taking taylor expansion of (/ 1 x) in y
5.448 * [taylor]: Taking taylor expansion of x in y
5.448 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in y
5.448 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in y
5.448 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in y
5.448 * [taylor]: Taking taylor expansion of (/ 1 x) in y
5.448 * [taylor]: Taking taylor expansion of x in y
5.448 * [taylor]: Taking taylor expansion of 1.0 in y
5.449 * [taylor]: Taking taylor expansion of 0 in x
5.449 * [taylor]: Taking taylor expansion of (/ +nan.0 x) in x
5.449 * [taylor]: Taking taylor expansion of +nan.0 in x
5.449 * [taylor]: Taking taylor expansion of x in x
5.451 * [taylor]: Taking taylor expansion of (* +nan.0 (- (log (+ (exp (/ 1 x)) 1.0)) (* +nan.0 (/ 1 (pow x 2))))) in x
5.452 * [taylor]: Taking taylor expansion of +nan.0 in x
5.452 * [taylor]: Taking taylor expansion of (- (log (+ (exp (/ 1 x)) 1.0)) (* +nan.0 (/ 1 (pow x 2)))) in x
5.452 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
5.452 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
5.452 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
5.452 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.452 * [taylor]: Taking taylor expansion of x in x
5.452 * [taylor]: Taking taylor expansion of 1.0 in x
5.452 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 (pow x 2))) in x
5.452 * [taylor]: Taking taylor expansion of +nan.0 in x
5.452 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
5.452 * [taylor]: Taking taylor expansion of (pow x 2) in x
5.452 * [taylor]: Taking taylor expansion of x in x
5.460 * [taylor]: Taking taylor expansion of (* +nan.0 (+ (* +nan.0 (/ (log (+ (exp (/ 1 x)) 1.0)) x)) (- (* +nan.0 (/ 1 (pow x 3)))))) in x
5.460 * [taylor]: Taking taylor expansion of +nan.0 in x
5.460 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ (log (+ (exp (/ 1 x)) 1.0)) x)) (- (* +nan.0 (/ 1 (pow x 3))))) in x
5.460 * [taylor]: Taking taylor expansion of (* +nan.0 (/ (log (+ (exp (/ 1 x)) 1.0)) x)) in x
5.460 * [taylor]: Taking taylor expansion of +nan.0 in x
5.460 * [taylor]: Taking taylor expansion of (/ (log (+ (exp (/ 1 x)) 1.0)) x) in x
5.460 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
5.460 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
5.460 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
5.461 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.461 * [taylor]: Taking taylor expansion of x in x
5.461 * [taylor]: Taking taylor expansion of 1.0 in x
5.461 * [taylor]: Taking taylor expansion of x in x
5.461 * [taylor]: Taking taylor expansion of (- (* +nan.0 (/ 1 (pow x 3)))) in x
5.461 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 (pow x 3))) in x
5.461 * [taylor]: Taking taylor expansion of +nan.0 in x
5.461 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
5.461 * [taylor]: Taking taylor expansion of (pow x 3) in x
5.461 * [taylor]: Taking taylor expansion of x in x
5.471 * [approximate]: Taking taylor expansion of (sqrt (fma (/ -1 y) (/ 1 x) (log (+ (exp (/ -1 x)) 1.0)))) in (y x) around 0
5.471 * [taylor]: Taking taylor expansion of (sqrt (fma (/ -1 y) (/ 1 x) (log (+ (exp (/ -1 x)) 1.0)))) in x
5.471 * [taylor]: Taking taylor expansion of (fma (/ -1 y) (/ 1 x) (log (+ (exp (/ -1 x)) 1.0))) in x
5.472 * [taylor]: Rewrote expression to (+ (* (/ -1 y) (/ 1 x)) (log (+ (exp (/ -1 x)) 1.0)))
5.472 * [taylor]: Taking taylor expansion of (* (/ -1 y) (/ 1 x)) in x
5.472 * [taylor]: Taking taylor expansion of (/ -1 y) in x
5.472 * [taylor]: Taking taylor expansion of -1 in x
5.472 * [taylor]: Taking taylor expansion of y in x
5.472 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.472 * [taylor]: Taking taylor expansion of x in x
5.472 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
5.472 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
5.472 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
5.472 * [taylor]: Taking taylor expansion of (/ -1 x) in x
5.472 * [taylor]: Taking taylor expansion of -1 in x
5.472 * [taylor]: Taking taylor expansion of x in x
5.472 * [taylor]: Taking taylor expansion of 1.0 in x
5.473 * [taylor]: Taking taylor expansion of (sqrt (fma (/ -1 y) (/ 1 x) (log (+ (exp (/ -1 x)) 1.0)))) in y
5.473 * [taylor]: Taking taylor expansion of (fma (/ -1 y) (/ 1 x) (log (+ (exp (/ -1 x)) 1.0))) in y
5.473 * [taylor]: Rewrote expression to (+ (* (/ -1 y) (/ 1 x)) (log (+ (exp (/ -1 x)) 1.0)))
5.473 * [taylor]: Taking taylor expansion of (* (/ -1 y) (/ 1 x)) in y
5.473 * [taylor]: Taking taylor expansion of (/ -1 y) in y
5.473 * [taylor]: Taking taylor expansion of -1 in y
5.473 * [taylor]: Taking taylor expansion of y in y
5.474 * [taylor]: Taking taylor expansion of (/ 1 x) in y
5.474 * [taylor]: Taking taylor expansion of x in y
5.474 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in y
5.474 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in y
5.474 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in y
5.474 * [taylor]: Taking taylor expansion of (/ -1 x) in y
5.474 * [taylor]: Taking taylor expansion of -1 in y
5.474 * [taylor]: Taking taylor expansion of x in y
5.474 * [taylor]: Taking taylor expansion of 1.0 in y
5.475 * [taylor]: Taking taylor expansion of (sqrt (fma (/ -1 y) (/ 1 x) (log (+ (exp (/ -1 x)) 1.0)))) in y
5.475 * [taylor]: Taking taylor expansion of (fma (/ -1 y) (/ 1 x) (log (+ (exp (/ -1 x)) 1.0))) in y
5.475 * [taylor]: Rewrote expression to (+ (* (/ -1 y) (/ 1 x)) (log (+ (exp (/ -1 x)) 1.0)))
5.475 * [taylor]: Taking taylor expansion of (* (/ -1 y) (/ 1 x)) in y
5.475 * [taylor]: Taking taylor expansion of (/ -1 y) in y
5.475 * [taylor]: Taking taylor expansion of -1 in y
5.475 * [taylor]: Taking taylor expansion of y in y
5.475 * [taylor]: Taking taylor expansion of (/ 1 x) in y
5.475 * [taylor]: Taking taylor expansion of x in y
5.475 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in y
5.475 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in y
5.475 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in y
5.475 * [taylor]: Taking taylor expansion of (/ -1 x) in y
5.475 * [taylor]: Taking taylor expansion of -1 in y
5.475 * [taylor]: Taking taylor expansion of x in y
5.475 * [taylor]: Taking taylor expansion of 1.0 in y
5.476 * [taylor]: Taking taylor expansion of 0 in x
5.476 * [taylor]: Taking taylor expansion of (/ +nan.0 x) in x
5.476 * [taylor]: Taking taylor expansion of +nan.0 in x
5.476 * [taylor]: Taking taylor expansion of x in x
5.478 * [taylor]: Taking taylor expansion of (* +nan.0 (- (log (+ (exp (/ -1 x)) 1.0)) (* +nan.0 (/ 1 (pow x 2))))) in x
5.478 * [taylor]: Taking taylor expansion of +nan.0 in x
5.478 * [taylor]: Taking taylor expansion of (- (log (+ (exp (/ -1 x)) 1.0)) (* +nan.0 (/ 1 (pow x 2)))) in x
5.478 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
5.478 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
5.478 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
5.478 * [taylor]: Taking taylor expansion of (/ -1 x) in x
5.478 * [taylor]: Taking taylor expansion of -1 in x
5.478 * [taylor]: Taking taylor expansion of x in x
5.479 * [taylor]: Taking taylor expansion of 1.0 in x
5.479 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 (pow x 2))) in x
5.479 * [taylor]: Taking taylor expansion of +nan.0 in x
5.479 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
5.479 * [taylor]: Taking taylor expansion of (pow x 2) in x
5.479 * [taylor]: Taking taylor expansion of x in x
5.486 * [taylor]: Taking taylor expansion of (* +nan.0 (+ (* +nan.0 (/ 1 (pow x 3))) (- (* +nan.0 (/ (log (+ (exp (/ -1 x)) 1.0)) x))))) in x
5.486 * [taylor]: Taking taylor expansion of +nan.0 in x
5.486 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 (pow x 3))) (- (* +nan.0 (/ (log (+ (exp (/ -1 x)) 1.0)) x)))) in x
5.486 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 (pow x 3))) in x
5.486 * [taylor]: Taking taylor expansion of +nan.0 in x
5.486 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
5.486 * [taylor]: Taking taylor expansion of (pow x 3) in x
5.486 * [taylor]: Taking taylor expansion of x in x
5.487 * [taylor]: Taking taylor expansion of (- (* +nan.0 (/ (log (+ (exp (/ -1 x)) 1.0)) x))) in x
5.487 * [taylor]: Taking taylor expansion of (* +nan.0 (/ (log (+ (exp (/ -1 x)) 1.0)) x)) in x
5.487 * [taylor]: Taking taylor expansion of +nan.0 in x
5.487 * [taylor]: Taking taylor expansion of (/ (log (+ (exp (/ -1 x)) 1.0)) x) in x
5.487 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
5.487 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
5.487 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
5.487 * [taylor]: Taking taylor expansion of (/ -1 x) in x
5.487 * [taylor]: Taking taylor expansion of -1 in x
5.487 * [taylor]: Taking taylor expansion of x in x
5.488 * [taylor]: Taking taylor expansion of 1.0 in x
5.488 * [taylor]: Taking taylor expansion of x in x
5.496 * * * [progress]: simplifying candidates
5.498 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (log (+ (exp x) 1.0)))
  (log1p (log (+ (exp x) 1.0)))
  (log (* (cbrt (+ (exp x) 1.0)) (cbrt (+ (exp x) 1.0))))
  (log (cbrt (+ (exp x) 1.0)))
  (log (sqrt (+ (exp x) 1.0)))
  (log (sqrt (+ (exp x) 1.0)))
  (log 1)
  (log (+ (exp x) 1.0))
  (log 1)
  (log (+ (exp x) 1.0))
  (log (+ (pow (exp x) 3) (pow 1.0 3)))
  (log (+ (* (exp x) (exp x)) (- (* 1.0 1.0) (* (exp x) 1.0))))
  (log (- (* (exp x) (exp x)) (* 1.0 1.0)))
  (log (- (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (log (log (+ (exp x) 1.0)))
  (exp (log (+ (exp x) 1.0)))
  (* (cbrt (log (+ (exp x) 1.0))) (cbrt (log (+ (exp x) 1.0))))
  (cbrt (log (+ (exp x) 1.0)))
  (* (* (log (+ (exp x) 1.0)) (log (+ (exp x) 1.0))) (log (+ (exp x) 1.0)))
  (sqrt (log (+ (exp x) 1.0)))
  (sqrt (log (+ (exp x) 1.0)))
  (expm1 (log (+ (exp x) 1.0)))
  (log1p (log (+ (exp x) 1.0)))
  (log (* (cbrt (+ (exp x) 1.0)) (cbrt (+ (exp x) 1.0))))
  (log (cbrt (+ (exp x) 1.0)))
  (log (sqrt (+ (exp x) 1.0)))
  (log (sqrt (+ (exp x) 1.0)))
  (log 1)
  (log (+ (exp x) 1.0))
  (log 1)
  (log (+ (exp x) 1.0))
  (log (+ (pow (exp x) 3) (pow 1.0 3)))
  (log (+ (* (exp x) (exp x)) (- (* 1.0 1.0) (* (exp x) 1.0))))
  (log (- (* (exp x) (exp x)) (* 1.0 1.0)))
  (log (- (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (log (log (+ (exp x) 1.0)))
  (exp (log (+ (exp x) 1.0)))
  (* (cbrt (log (+ (exp x) 1.0))) (cbrt (log (+ (exp x) 1.0))))
  (cbrt (log (+ (exp x) 1.0)))
  (* (* (log (+ (exp x) 1.0)) (log (+ (exp x) 1.0))) (log (+ (exp x) 1.0)))
  (sqrt (log (+ (exp x) 1.0)))
  (sqrt (log (+ (exp x) 1.0)))
  (expm1 (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (log1p (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (+ 1/2 1/2)
  (+ 1/2 (/ 1 2))
  (+ 1 1)
  (+ (/ 1 2) 1/2)
  (+ (/ 1 2) (/ 1 2))
  (* (fma y (- x) (log (+ (exp x) 1.0))) (fma y (- x) (log (+ (exp x) 1.0))))
  (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (* (fma y (- x) (log (+ (exp x) 1.0))) (fma y (- x) (log (+ (exp x) 1.0))))
  (+ 1 1)
  (+ (log (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (log (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (log (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (exp (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (* (* (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (* (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (* (cbrt (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))) (cbrt (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))))
  (cbrt (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (* (* (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))) (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (* (fma y (- x) (log (+ (exp x) 1.0))) (fma y (- x) (log (+ (exp x) 1.0))))
  (sqrt (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (sqrt (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (* (* (cbrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (cbrt (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))) (* (cbrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (cbrt (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))))
  (* (cbrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (cbrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (* (sqrt (* (cbrt (fma y (- x) (log (+ (exp x) 1.0)))) (cbrt (fma y (- x) (log (+ (exp x) 1.0)))))) (sqrt (* (cbrt (fma y (- x) (log (+ (exp x) 1.0)))) (cbrt (fma y (- x) (log (+ (exp x) 1.0)))))))
  (* (sqrt (cbrt (fma y (- x) (log (+ (exp x) 1.0))))) (sqrt (cbrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (* (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (* (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (* (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (* (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (* (sqrt 1) (sqrt 1))
  (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (* (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (* (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (* (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (* (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (* 1 1)
  (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (* (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (* (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (* (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (* (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (* (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (* (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (* (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (* (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (* 2 1/2)
  (* 2 1)
  (* 2 (/ 1 2))
  (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (* (cbrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (cbrt (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))))
  (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (sqrt (* (cbrt (fma y (- x) (log (+ (exp x) 1.0)))) (cbrt (fma y (- x) (log (+ (exp x) 1.0)))))))
  (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (sqrt 1))
  (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) 1)
  (* (cbrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (* (sqrt (cbrt (fma y (- x) (log (+ (exp x) 1.0))))) (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (* (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (* (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (expm1 (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (log1p (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (log (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (exp (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (* (cbrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (cbrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (cbrt (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (* (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (sqrt (* (cbrt (fma y (- x) (log (+ (exp x) 1.0)))) (cbrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (sqrt (cbrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (sqrt 1)
  (sqrt (fma y (- x) (log (+ (exp x) 1.0))))
  (/ 1 2)
  (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (- (+ (log 2.0) (+ (* 0.25 (pow x 2)) (* 0.5 x))) (* 1/2 (/ (pow x 2) (pow 2.0 2))))
  (log (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (- (+ (log 2.0) (+ (* 0.25 (pow x 2)) (* 0.5 x))) (* 1/2 (/ (pow x 2) (pow 2.0 2))))
  (log (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (- (+ (log 2.0) (* 0.5 x)) (* x y))
  (- (log (+ (exp x) 1.0)) (* x y))
  (- (log (+ (exp x) 1.0)) (* x y))
  (- (+ (* 0.25 (* (sqrt (/ 1 (log 2.0))) x)) (sqrt (log 2.0))) (* 1/2 (* (sqrt (/ 1 (log 2.0))) (* x y))))
  (- (+ (* +nan.0 (/ (* x (log (+ (exp x) 1.0))) (pow y 2))) (- (+ (* +nan.0 (/ (log (+ (exp x) 1.0)) y)) (- (* +nan.0 x))))))
  (- (+ (* +nan.0 (/ (* x (log (+ (exp x) 1.0))) (pow y 2))) (- (+ (* +nan.0 (/ (log (+ (exp x) 1.0)) y)) (- (* +nan.0 x))))))
5.503 * * [simplify]: iteration  0 :  131  enodes  (cost  1988 )
5.538 * * [simplify]: iteration  1 :  266  enodes  (cost  1393 )
5.584 * * [simplify]: iteration  2 :  667  enodes  (cost  1253 )
5.883 * * [simplify]: iteration  3 :  2115  enodes  (cost  1185 )
6.589 * * [simplify]: iteration  done :  5000  enodes  (cost  1183 )
6.590 * [simplify]: Simplified to:
   (expm1 (log (+ (exp x) 1.0)))
  (log1p (log (+ (exp x) 1.0)))
  (* 2 (log (cbrt (+ (exp x) 1.0))))
  (log (cbrt (+ (exp x) 1.0)))
  (log (sqrt (+ (exp x) 1.0)))
  (log (sqrt (+ (exp x) 1.0)))
  0
  (log (+ (exp x) 1.0))
  0
  (log (+ (exp x) 1.0))
  (log (+ (pow (exp x) 3) (pow 1.0 3)))
  (log (fma 1.0 (- 1.0 (exp x)) (exp (+ x x))))
  (log (- (exp (+ x x)) (* 1.0 1.0)))
  (log (- (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (log (log (+ (exp x) 1.0)))
  (+ 1.0 (exp x))
  (* (cbrt (log (+ (exp x) 1.0))) (cbrt (log (+ (exp x) 1.0))))
  (cbrt (log (+ (exp x) 1.0)))
  (pow (log (+ (exp x) 1.0)) 3)
  (sqrt (log (+ (exp x) 1.0)))
  (sqrt (log (+ (exp x) 1.0)))
  (expm1 (log (+ (exp x) 1.0)))
  (log1p (log (+ (exp x) 1.0)))
  (* 2 (log (cbrt (+ (exp x) 1.0))))
  (log (cbrt (+ (exp x) 1.0)))
  (log (sqrt (+ (exp x) 1.0)))
  (log (sqrt (+ (exp x) 1.0)))
  0
  (log (+ (exp x) 1.0))
  0
  (log (+ (exp x) 1.0))
  (log (+ (pow (exp x) 3) (pow 1.0 3)))
  (log (fma 1.0 (- 1.0 (exp x)) (exp (+ x x))))
  (log (- (exp (+ x x)) (* 1.0 1.0)))
  (log (- (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (log (log (+ (exp x) 1.0)))
  (+ 1.0 (exp x))
  (* (cbrt (log (+ (exp x) 1.0))) (cbrt (log (+ (exp x) 1.0))))
  (cbrt (log (+ (exp x) 1.0)))
  (pow (log (+ (exp x) 1.0)) 3)
  (sqrt (log (+ (exp x) 1.0)))
  (sqrt (log (+ (exp x) 1.0)))
  (expm1 (fma y (- x) (log (+ (exp x) 1.0))))
  (log1p (fma y (- x) (log (+ (exp x) 1.0))))
  1
  1
  2
  1
  1
  (pow (sqrt (- (log (+ (exp x) 1.0)) (* x y))) 4)
  (- (log (+ (exp x) 1.0)) (* x y))
  (pow (sqrt (- (log (+ (exp x) 1.0)) (* x y))) 4)
  2
  (log (fma y (- x) (log (+ (exp x) 1.0))))
  (log (fma y (- x) (log (+ (exp x) 1.0))))
  (/ (+ 1.0 (exp x)) (exp (* x y)))
  (pow (- (log (+ (exp x) 1.0)) (* x y)) 3)
  (* (cbrt (fma y (- x) (log (+ (exp x) 1.0)))) (cbrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (cbrt (fma y (- x) (log (+ (exp x) 1.0))))
  (pow (- (log (+ (exp x) 1.0)) (* x y)) 3)
  (pow (sqrt (- (log (+ (exp x) 1.0)) (* x y))) 4)
  (sqrt (- (log (+ (exp x) 1.0)) (* x y)))
  (sqrt (- (log (+ (exp x) 1.0)) (* x y)))
  (pow (cbrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) 4)
  (* (cbrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (cbrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (* (cbrt (fma y (- x) (log (+ (exp x) 1.0)))) (cbrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (cbrt (fma y (- x) (log (+ (exp x) 1.0))))
  (sqrt (- (log (+ (exp x) 1.0)) (* x y)))
  (sqrt (- (log (+ (exp x) 1.0)) (* x y)))
  (sqrt (- (log (+ (exp x) 1.0)) (* x y)))
  (sqrt (- (log (+ (exp x) 1.0)) (* x y)))
  1
  (- (log (+ (exp x) 1.0)) (* x y))
  (sqrt (- (log (+ (exp x) 1.0)) (* x y)))
  (sqrt (- (log (+ (exp x) 1.0)) (* x y)))
  (sqrt (- (log (+ (exp x) 1.0)) (* x y)))
  (sqrt (- (log (+ (exp x) 1.0)) (* x y)))
  1
  (- (log (+ (exp x) 1.0)) (* x y))
  (sqrt (- (log (+ (exp x) 1.0)) (* x y)))
  (sqrt (- (log (+ (exp x) 1.0)) (* x y)))
  (sqrt (- (log (+ (exp x) 1.0)) (* x y)))
  (sqrt (- (log (+ (exp x) 1.0)) (* x y)))
  (sqrt (- (log (+ (exp x) 1.0)) (* x y)))
  (sqrt (- (log (+ (exp x) 1.0)) (* x y)))
  (sqrt (- (log (+ (exp x) 1.0)) (* x y)))
  (sqrt (- (log (+ (exp x) 1.0)) (* x y)))
  1
  2
  1
  (* (pow (cbrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) 4) (cbrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (* (fabs (cbrt (fma y (- x) (log (+ (exp x) 1.0))))) (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (pow (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) 3)
  (sqrt (- (log (+ (exp x) 1.0)) (* x y)))
  (pow (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) 3)
  (sqrt (- (log (+ (exp x) 1.0)) (* x y)))
  (pow (cbrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) 4)
  (* (sqrt (cbrt (fma y (- x) (log (+ (exp x) 1.0))))) (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (pow (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) 3)
  (- (log (+ (exp x) 1.0)) (* x y))
  (pow (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) 3)
  (- (log (+ (exp x) 1.0)) (* x y))
  (expm1 (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (log1p (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (log (sqrt (- (log (+ (exp x) 1.0)) (* x y))))
  (exp (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (* (cbrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))) (cbrt (sqrt (fma y (- x) (log (+ (exp x) 1.0))))))
  (cbrt (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (pow (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) 3)
  (fabs (cbrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (sqrt (cbrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  1
  (sqrt (- (log (+ (exp x) 1.0)) (* x y)))
  1/2
  (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (sqrt (sqrt (fma y (- x) (log (+ (exp x) 1.0)))))
  (fma (/ (pow x 2) (pow 2.0 2)) -1/2 (fma x (* x 0.25) (fma x 0.5 (log 2.0))))
  (log (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (fma (/ (pow x 2) (pow 2.0 2)) -1/2 (fma x (* x 0.25) (fma x 0.5 (log 2.0))))
  (log (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (fma x (- 0.5 y) (log 2.0))
  (- (log (+ (exp x) 1.0)) (* x y))
  (- (log (+ (exp x) 1.0)) (* x y))
  (+ (sqrt (log 2.0)) (* (* (sqrt (/ 1 (log 2.0))) x) (- 0.25 (* y 1/2))))
  (* (- (- (/ (log (+ (exp x) 1.0)) y) x) (/ (* x (log (+ (exp x) 1.0))) (pow y 2))) +nan.0)
  (* (- (- (/ (log (+ (exp x) 1.0)) y) x) (/ (* x (log (+ (exp x) 1.0))) (pow y 2))) +nan.0)
6.591 * * * [progress]: adding candidates to table
6.857 * [progress]: [Phase 3 of 3] Extracting.
6.857 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (- (log (- (* 1.0 1.0) (* (exp x) (exp x)))) (fma x y (log (- 1.0 (exp x))))))> #<alt (λ (x y) (+ (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (exp (log (sqrt (- (log (+ (exp x) 1.0)) (* x y)))))) 0))> #<alt (λ (x y) (+ (log (/ (+ 1.0 (exp x)) (exp (* x y)))) 0))> #<alt (λ (x y) (+ (fma x (- 0.5 y) (log 2.0)) 0))>)
6.858 * * * [regime-changes]: Trying 2 branch expressions: (y x)
6.858 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (- (log (- (* 1.0 1.0) (* (exp x) (exp x)))) (fma x y (log (- 1.0 (exp x))))))> #<alt (λ (x y) (+ (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (exp (log (sqrt (- (log (+ (exp x) 1.0)) (* x y)))))) 0))> #<alt (λ (x y) (+ (log (/ (+ 1.0 (exp x)) (exp (* x y)))) 0))> #<alt (λ (x y) (+ (fma x (- 0.5 y) (log 2.0)) 0))>)
6.892 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (- (log (- (* 1.0 1.0) (* (exp x) (exp x)))) (fma x y (log (- 1.0 (exp x))))))> #<alt (λ (x y) (+ (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (exp (log (sqrt (- (log (+ (exp x) 1.0)) (* x y)))))) 0))> #<alt (λ (x y) (+ (log (/ (+ 1.0 (exp x)) (exp (* x y)))) 0))> #<alt (λ (x y) (+ (fma x (- 0.5 y) (log 2.0)) 0))>)
6.918 * * * [regime]: Found split indices: #<option (#s(si 0 79) #s(si 3 255))>
6.918 * [binary-search]: Improving bounds with binary search for x and (#<alt (λ (x y) (- (log (- (* 1.0 1.0) (* (exp x) (exp x)))) (fma x y (log (- 1.0 (exp x))))))> #<alt (λ (x y) (+ (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (exp (log (sqrt (- (log (+ (exp x) 1.0)) (* x y)))))) 0))> #<alt (λ (x y) (+ (log (/ (+ 1.0 (exp x)) (exp (* x y)))) 0))> #<alt (λ (x y) (+ (fma x (- 0.5 y) (log 2.0)) 0))>)
6.950 * [regimes]: Found splitpoints: (#s(sp 0 x -1.694724557776266e-05) #s(sp 3 x +nan.0)) , with alts (#<alt (λ (x y) (- (log (- (* 1.0 1.0) (* (exp x) (exp x)))) (fma x y (log (- 1.0 (exp x))))))> #<alt (λ (x y) (+ (* (sqrt (fma y (- x) (log (+ (exp x) 1.0)))) (exp (log (sqrt (- (log (+ (exp x) 1.0)) (* x y)))))) 0))> #<alt (λ (x y) (+ (log (/ (+ 1.0 (exp x)) (exp (* x y)))) 0))> #<alt (λ (x y) (+ (fma x (- 0.5 y) (log 2.0)) 0))>)
6.950 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (if (<= x -1.694724557776266e-05) (- (log (- (* 1.0 1.0) (* (exp x) (exp x)))) (fma x y (log (- 1.0 (exp x))))) (+ (fma x (- 0.5 y) (log 2.0)) 0))
6.951 * * [simplify]: iteration  0 :  22  enodes  (cost  32 )
6.952 * * [simplify]: iteration  1 :  23  enodes  (cost  32 )
6.952 * * [simplify]: iteration  done :  23  enodes  (cost  30 )
6.952 * [simplify]: Simplified to:
   (if (<= x -1.694724557776266e-05) (- (log (- (* 1.0 1.0) (* (exp x) (exp x)))) (fma x y (log (- 1.0 (exp x))))) (fma x (- 0.5 y) (log 2.0)))
8.863 * [regime-testing]: Baseline error score: 11.625130735357427
8.863 * [regime-testing]: Oracle error score: 0.2266408580438497
8.865 * [regime-testing]: End program error score: 0.48491848622863704
8.913 * [regime-testing]: Target error score: 0.06704252174052414