0.573 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.145 * * * [progress]: [2/2] Setting up program.
0.147 * [progress]: [Phase 2 of 3] Improving.
0.147 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (log (- 1.0 x)) (log (+ 1.0 x)))
0.148 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.148 * * [simplify]: iteration  1 :  10  enodes  (cost  9 )
0.150 * * [simplify]: iteration  2 :  11  enodes  (cost  9 )
0.151 * * [simplify]: iteration  done :  11  enodes  (cost  9 )
0.151 * [simplify]: Simplified to:
   (/ (log (- 1.0 x)) (log (+ 1.0 x)))
0.151 * * [progress]: iteration 1 / 4
0.151 * * * [progress]: picking best candidate
0.153 * * * * [pick]: Picked  #<alt (λ (x) (/ (log (- 1.0 x)) (log (+ 1.0 x))))>
0.153 * * * [progress]: localizing error
0.159 * * * [progress]: generating rewritten candidates
0.159 * * * * [progress]: [ 1 / 3 ] rewriting at (2 1)
0.162 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2)
0.165 * * * * [progress]: [ 3 / 3 ] rewriting at (2)
0.175 * * * [progress]: generating series expansions
0.175 * * * * [progress]: [ 1 / 3 ] generating series at (2 1)
0.175 * [approximate]: Taking taylor expansion of (log (- 1.0 x)) in (x) around 0
0.175 * [taylor]: Taking taylor expansion of (log (- 1.0 x)) in x
0.175 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.175 * [taylor]: Taking taylor expansion of 1.0 in x
0.175 * [taylor]: Taking taylor expansion of x in x
0.176 * [taylor]: Taking taylor expansion of (log (- 1.0 x)) in x
0.176 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.176 * [taylor]: Taking taylor expansion of 1.0 in x
0.176 * [taylor]: Taking taylor expansion of x in x
0.193 * [approximate]: Taking taylor expansion of (log (- 1.0 (/ 1 x))) in (x) around 0
0.193 * [taylor]: Taking taylor expansion of (log (- 1.0 (/ 1 x))) in x
0.193 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.193 * [taylor]: Taking taylor expansion of 1.0 in x
0.193 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.193 * [taylor]: Taking taylor expansion of x in x
0.194 * [taylor]: Taking taylor expansion of (log (- 1.0 (/ 1 x))) in x
0.194 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.194 * [taylor]: Taking taylor expansion of 1.0 in x
0.194 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.194 * [taylor]: Taking taylor expansion of x in x
0.208 * [approximate]: Taking taylor expansion of (log (+ (/ 1 x) 1.0)) in (x) around 0
0.208 * [taylor]: Taking taylor expansion of (log (+ (/ 1 x) 1.0)) in x
0.208 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.208 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.208 * [taylor]: Taking taylor expansion of x in x
0.209 * [taylor]: Taking taylor expansion of 1.0 in x
0.209 * [taylor]: Taking taylor expansion of (log (+ (/ 1 x) 1.0)) in x
0.209 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.209 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.209 * [taylor]: Taking taylor expansion of x in x
0.210 * [taylor]: Taking taylor expansion of 1.0 in x
0.222 * * * * [progress]: [ 2 / 3 ] generating series at (2 2)
0.222 * [approximate]: Taking taylor expansion of (log (+ x 1.0)) in (x) around 0
0.222 * [taylor]: Taking taylor expansion of (log (+ x 1.0)) in x
0.222 * [taylor]: Taking taylor expansion of (+ x 1.0) 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 (log (+ x 1.0)) in x
0.222 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.222 * [taylor]: Taking taylor expansion of x in x
0.222 * [taylor]: Taking taylor expansion of 1.0 in x
0.234 * [approximate]: Taking taylor expansion of (log (+ (/ 1 x) 1.0)) in (x) around 0
0.234 * [taylor]: Taking taylor expansion of (log (+ (/ 1 x) 1.0)) in x
0.234 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.234 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.234 * [taylor]: Taking taylor expansion of x in x
0.234 * [taylor]: Taking taylor expansion of 1.0 in x
0.235 * [taylor]: Taking taylor expansion of (log (+ (/ 1 x) 1.0)) in x
0.235 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.235 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.235 * [taylor]: Taking taylor expansion of x in x
0.235 * [taylor]: Taking taylor expansion of 1.0 in x
0.247 * [approximate]: Taking taylor expansion of (log (- 1.0 (/ 1 x))) in (x) around 0
0.247 * [taylor]: Taking taylor expansion of (log (- 1.0 (/ 1 x))) in x
0.247 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.247 * [taylor]: Taking taylor expansion of 1.0 in x
0.247 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.247 * [taylor]: Taking taylor expansion of x in x
0.248 * [taylor]: Taking taylor expansion of (log (- 1.0 (/ 1 x))) in x
0.248 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.248 * [taylor]: Taking taylor expansion of 1.0 in x
0.248 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.249 * [taylor]: Taking taylor expansion of x in x
0.262 * * * * [progress]: [ 3 / 3 ] generating series at (2)
0.262 * [approximate]: Taking taylor expansion of (/ (log (- 1.0 x)) (log (+ x 1.0))) in (x) around 0
0.263 * [taylor]: Taking taylor expansion of (/ (log (- 1.0 x)) (log (+ x 1.0))) in x
0.263 * [taylor]: Taking taylor expansion of (log (- 1.0 x)) in x
0.263 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.263 * [taylor]: Taking taylor expansion of 1.0 in x
0.263 * [taylor]: Taking taylor expansion of x in x
0.263 * [taylor]: Taking taylor expansion of (log (+ x 1.0)) in x
0.263 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.263 * [taylor]: Taking taylor expansion of x in x
0.263 * [taylor]: Taking taylor expansion of 1.0 in x
0.265 * [taylor]: Taking taylor expansion of (/ (log (- 1.0 x)) (log (+ x 1.0))) in x
0.265 * [taylor]: Taking taylor expansion of (log (- 1.0 x)) in x
0.265 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.265 * [taylor]: Taking taylor expansion of 1.0 in x
0.265 * [taylor]: Taking taylor expansion of x in x
0.266 * [taylor]: Taking taylor expansion of (log (+ x 1.0)) in x
0.266 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.266 * [taylor]: Taking taylor expansion of x in x
0.266 * [taylor]: Taking taylor expansion of 1.0 in x
0.307 * [approximate]: Taking taylor expansion of (/ (log (- 1.0 (/ 1 x))) (log (+ (/ 1 x) 1.0))) in (x) around 0
0.307 * [taylor]: Taking taylor expansion of (/ (log (- 1.0 (/ 1 x))) (log (+ (/ 1 x) 1.0))) in x
0.307 * [taylor]: Taking taylor expansion of (log (- 1.0 (/ 1 x))) in x
0.307 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.307 * [taylor]: Taking taylor expansion of 1.0 in x
0.307 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.307 * [taylor]: Taking taylor expansion of x in x
0.308 * [taylor]: Taking taylor expansion of (log (+ (/ 1 x) 1.0)) in x
0.308 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.308 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.308 * [taylor]: Taking taylor expansion of x in x
0.308 * [taylor]: Taking taylor expansion of 1.0 in x
0.310 * [taylor]: Taking taylor expansion of (/ (log (- 1.0 (/ 1 x))) (log (+ (/ 1 x) 1.0))) in x
0.310 * [taylor]: Taking taylor expansion of (log (- 1.0 (/ 1 x))) in x
0.310 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.310 * [taylor]: Taking taylor expansion of 1.0 in x
0.310 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.310 * [taylor]: Taking taylor expansion of x in x
0.311 * [taylor]: Taking taylor expansion of (log (+ (/ 1 x) 1.0)) in x
0.311 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.311 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.311 * [taylor]: Taking taylor expansion of x in x
0.312 * [taylor]: Taking taylor expansion of 1.0 in x
0.344 * [approximate]: Taking taylor expansion of (/ (log (+ (/ 1 x) 1.0)) (log (- 1.0 (/ 1 x)))) in (x) around 0
0.344 * [taylor]: Taking taylor expansion of (/ (log (+ (/ 1 x) 1.0)) (log (- 1.0 (/ 1 x)))) in x
0.344 * [taylor]: Taking taylor expansion of (log (+ (/ 1 x) 1.0)) in x
0.344 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.344 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.344 * [taylor]: Taking taylor expansion of x in x
0.344 * [taylor]: Taking taylor expansion of 1.0 in x
0.345 * [taylor]: Taking taylor expansion of (log (- 1.0 (/ 1 x))) in x
0.345 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.345 * [taylor]: Taking taylor expansion of 1.0 in x
0.345 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.345 * [taylor]: Taking taylor expansion of x in x
0.348 * [taylor]: Taking taylor expansion of (/ (log (+ (/ 1 x) 1.0)) (log (- 1.0 (/ 1 x)))) in x
0.348 * [taylor]: Taking taylor expansion of (log (+ (/ 1 x) 1.0)) in x
0.348 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.348 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.348 * [taylor]: Taking taylor expansion of x in x
0.348 * [taylor]: Taking taylor expansion of 1.0 in x
0.349 * [taylor]: Taking taylor expansion of (log (- 1.0 (/ 1 x))) in x
0.349 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.349 * [taylor]: Taking taylor expansion of 1.0 in x
0.349 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.349 * [taylor]: Taking taylor expansion of x in x
0.392 * * * [progress]: simplifying candidates
0.393 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (log (- 1.0 x)))
  (log1p (log (- 1.0 x)))
  (log (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (log (cbrt (- 1.0 x)))
  (log (sqrt (- 1.0 x)))
  (log (sqrt (- 1.0 x)))
  (log 1)
  (log (- 1.0 x))
  (log (+ (sqrt 1.0) (sqrt x)))
  (log (- (sqrt 1.0) (sqrt x)))
  (log 1)
  (log (- 1.0 x))
  (log (- (pow 1.0 3) (pow x 3)))
  (log (+ (* 1.0 1.0) (+ (* x x) (* 1.0 x))))
  (log (- (* 1.0 1.0) (* x x)))
  (log (+ 1.0 x))
  (log (- 1.0 x))
  (log (log (- 1.0 x)))
  (exp (log (- 1.0 x)))
  (* (cbrt (log (- 1.0 x))) (cbrt (log (- 1.0 x))))
  (cbrt (log (- 1.0 x)))
  (* (* (log (- 1.0 x)) (log (- 1.0 x))) (log (- 1.0 x)))
  (sqrt (log (- 1.0 x)))
  (sqrt (log (- 1.0 x)))
  (expm1 (log (+ 1.0 x)))
  (log1p (log (+ 1.0 x)))
  (log (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (log (cbrt (+ 1.0 x)))
  (log (sqrt (+ 1.0 x)))
  (log (sqrt (+ 1.0 x)))
  (log 1)
  (log (+ 1.0 x))
  (log 1)
  (log (+ 1.0 x))
  (log (+ (pow 1.0 3) (pow x 3)))
  (log (+ (* 1.0 1.0) (- (* x x) (* 1.0 x))))
  (log (- (* 1.0 1.0) (* x x)))
  (log (- 1.0 x))
  (log (+ 1.0 x))
  (log (log (+ 1.0 x)))
  (exp (log (+ 1.0 x)))
  (* (cbrt (log (+ 1.0 x))) (cbrt (log (+ 1.0 x))))
  (cbrt (log (+ 1.0 x)))
  (* (* (log (+ 1.0 x)) (log (+ 1.0 x))) (log (+ 1.0 x)))
  (sqrt (log (+ 1.0 x)))
  (sqrt (log (+ 1.0 x)))
  (expm1 (/ (log (- 1.0 x)) (log (+ 1.0 x))))
  (log1p (/ (log (- 1.0 x)) (log (+ 1.0 x))))
  (- (log (log (- 1.0 x))) (log (log (+ 1.0 x))))
  (log (/ (log (- 1.0 x)) (log (+ 1.0 x))))
  (exp (/ (log (- 1.0 x)) (log (+ 1.0 x))))
  (/ (* (* (log (- 1.0 x)) (log (- 1.0 x))) (log (- 1.0 x))) (* (* (log (+ 1.0 x)) (log (+ 1.0 x))) (log (+ 1.0 x))))
  (* (cbrt (/ (log (- 1.0 x)) (log (+ 1.0 x)))) (cbrt (/ (log (- 1.0 x)) (log (+ 1.0 x)))))
  (cbrt (/ (log (- 1.0 x)) (log (+ 1.0 x))))
  (* (* (/ (log (- 1.0 x)) (log (+ 1.0 x))) (/ (log (- 1.0 x)) (log (+ 1.0 x)))) (/ (log (- 1.0 x)) (log (+ 1.0 x))))
  (sqrt (/ (log (- 1.0 x)) (log (+ 1.0 x))))
  (sqrt (/ (log (- 1.0 x)) (log (+ 1.0 x))))
  (- (log (- 1.0 x)))
  (- (log (+ 1.0 x)))
  (/ (log (- (pow 1.0 3) (pow x 3))) (log (+ 1.0 x)))
  (/ (log (+ (* 1.0 1.0) (+ (* x x) (* 1.0 x)))) (log (+ 1.0 x)))
  (/ (log (- (* 1.0 1.0) (* x x))) (log (+ 1.0 x)))
  (/ (log (+ 1.0 x)) (log (+ 1.0 x)))
  (/ 1 1)
  (/ (log (- 1.0 x)) (log (+ 1.0 x)))
  (/ 1 (* (cbrt (log (+ 1.0 x))) (cbrt (log (+ 1.0 x)))))
  (/ (log (- 1.0 x)) (cbrt (log (+ 1.0 x))))
  (/ 1 (sqrt (log (+ 1.0 x))))
  (/ (log (- 1.0 x)) (sqrt (log (+ 1.0 x))))
  (/ 1 1)
  (/ (log (- 1.0 x)) (log (+ 1.0 x)))
  (/ (* (cbrt (log (- 1.0 x))) (cbrt (log (- 1.0 x)))) 1)
  (/ (cbrt (log (- 1.0 x))) (log (+ 1.0 x)))
  (/ (* (cbrt (log (- 1.0 x))) (cbrt (log (- 1.0 x)))) (* (cbrt (log (+ 1.0 x))) (cbrt (log (+ 1.0 x)))))
  (/ (cbrt (log (- 1.0 x))) (cbrt (log (+ 1.0 x))))
  (/ (* (cbrt (log (- 1.0 x))) (cbrt (log (- 1.0 x)))) (sqrt (log (+ 1.0 x))))
  (/ (cbrt (log (- 1.0 x))) (sqrt (log (+ 1.0 x))))
  (/ (* (cbrt (log (- 1.0 x))) (cbrt (log (- 1.0 x)))) 1)
  (/ (cbrt (log (- 1.0 x))) (log (+ 1.0 x)))
  (/ (sqrt (log (- 1.0 x))) 1)
  (/ (sqrt (log (- 1.0 x))) (log (+ 1.0 x)))
  (/ (sqrt (log (- 1.0 x))) (* (cbrt (log (+ 1.0 x))) (cbrt (log (+ 1.0 x)))))
  (/ (sqrt (log (- 1.0 x))) (cbrt (log (+ 1.0 x))))
  (/ (sqrt (log (- 1.0 x))) (sqrt (log (+ 1.0 x))))
  (/ (sqrt (log (- 1.0 x))) (sqrt (log (+ 1.0 x))))
  (/ (sqrt (log (- 1.0 x))) 1)
  (/ (sqrt (log (- 1.0 x))) (log (+ 1.0 x)))
  (/ 1 1)
  (/ (log (- 1.0 x)) (log (+ 1.0 x)))
  (/ 1 (* (cbrt (log (+ 1.0 x))) (cbrt (log (+ 1.0 x)))))
  (/ (log (- 1.0 x)) (cbrt (log (+ 1.0 x))))
  (/ 1 (sqrt (log (+ 1.0 x))))
  (/ (log (- 1.0 x)) (sqrt (log (+ 1.0 x))))
  (/ 1 1)
  (/ (log (- 1.0 x)) (log (+ 1.0 x)))
  (/ 1 (log (+ 1.0 x)))
  (/ (log (+ 1.0 x)) (log (- 1.0 x)))
  (/ (log (- 1.0 x)) 1)
  (/ (log (- 1.0 x)) (* (cbrt (log (+ 1.0 x))) (cbrt (log (+ 1.0 x)))))
  (/ (log (- 1.0 x)) (sqrt (log (+ 1.0 x))))
  (/ (log (- 1.0 x)) 1)
  (/ (log (+ 1.0 x)) (log (- 1.0 x)))
  (/ (log (+ 1.0 x)) (cbrt (log (- 1.0 x))))
  (/ (log (+ 1.0 x)) (sqrt (log (- 1.0 x))))
  (/ (log (+ 1.0 x)) (log (- 1.0 x)))
  (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
  (- (log -1) (+ (* 0.5 (/ 1 (pow x 2))) (+ (log (/ 1 x)) (* 1.0 (/ 1 x)))))
  (- (+ (* 0.5 (/ 1 (pow x 2))) (+ (* 1.0 (/ 1 x)) (log (/ -1 x)))))
  (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))
  (- (* 1.0 (/ 1 x)) (+ (* 0.5 (/ 1 (pow x 2))) (log (/ 1 x))))
  (- (+ (log -1) (* 1.0 (/ 1 x))) (+ (* 0.5 (/ 1 (pow x 2))) (log (/ -1 x))))
  (- (+ 1 (* 2.0 (/ (pow x 2) (pow (log 1.0) 2)))) (* 2.0 (/ x (log 1.0))))
  (- (+ (* 2.0 (/ 1 (* x (log (/ 1 x))))) (+ (* 0.5 (/ (log -1) (* (pow x 2) (pow (log (/ 1 x)) 2)))) (+ (* 2.0 (/ 1 (* (pow x 2) (pow (log (/ 1 x)) 2)))) 1))) (+ (* 1.0 (/ (log -1) (* (pow x 2) (pow (log (/ 1 x)) 3)))) (+ (/ (log -1) (log (/ 1 x))) (* 1.0 (/ (log -1) (* x (pow (log (/ 1 x)) 2)))))))
  (- (+ (* 1.0 (/ (log (/ -1 x)) (* x (pow (- (log -1) (log (/ -1 x))) 2)))) (* 1.0 (/ 1 (* (pow x 2) (pow (- (log -1) (log (/ -1 x))) 2))))) (+ (* 0.5 (/ (log (/ -1 x)) (* (pow x 2) (pow (- (log -1) (log (/ -1 x))) 2)))) (+ (/ (log (/ -1 x)) (- (log -1) (log (/ -1 x)))) (+ (* 1.0 (/ 1 (* x (- (log -1) (log (/ -1 x)))))) (+ (* 1.0 (/ (log (/ -1 x)) (* (pow x 2) (pow (- (log -1) (log (/ -1 x))) 3)))) (* 0.5 (/ 1 (* (pow x 2) (- (log -1) (log (/ -1 x)))))))))))
0.399 * * [simplify]: iteration  0 :  192  enodes  (cost  1243 )
0.435 * * [simplify]: iteration  1 :  458  enodes  (cost  1173 )