36.845 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.074 * * * [progress]: [2/2] Setting up program.
0.076 * [progress]: [Phase 2 of 3] Improving.
0.077 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
0.079 * * [simplify]: iteration  0 :  15  enodes  (cost  9 )
0.080 * * [simplify]: iteration  1 :  24  enodes  (cost  9 )
0.081 * * [simplify]: iteration  2 :  32  enodes  (cost  9 )
0.083 * * [simplify]: iteration  3 :  44  enodes  (cost  9 )
0.084 * * [simplify]: iteration  4 :  59  enodes  (cost  9 )
0.086 * * [simplify]: iteration  5 :  174  enodes  (cost  9 )
0.090 * * [simplify]: iteration  6 :  1153  enodes  (cost  9 )
0.120 * * [simplify]: iteration  7 :  5001  enodes  (cost  9 )
0.120 * [simplify]: Simplified to:
   (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
0.120 * * [progress]: iteration 1 / 4
0.120 * * * [progress]: picking best candidate
0.122 * * * * [pick]: Picked  #<alt (λ (x) (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))>
0.122 * * * [progress]: localizing error
0.129 * * * [progress]: generating rewritten candidates
0.129 * * * * [progress]: [ 1 / 3 ] rewriting at (2 1)
0.134 * * * * [progress]: [ 2 / 3 ] rewriting at (2)
0.145 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2)
0.151 * * * [progress]: generating series expansions
0.151 * * * * [progress]: [ 1 / 3 ] generating series at (2 1)
0.152 * [approximate]: Taking taylor expansion of (- (exp x) (exp (- x))) in (x) around 0
0.152 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
0.152 * [taylor]: Taking taylor expansion of (exp x) in x
0.152 * [taylor]: Taking taylor expansion of x in x
0.152 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.152 * [taylor]: Taking taylor expansion of (- x) in x
0.152 * [taylor]: Taking taylor expansion of x in x
0.152 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
0.152 * [taylor]: Taking taylor expansion of (exp x) in x
0.152 * [taylor]: Taking taylor expansion of x in x
0.152 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.152 * [taylor]: Taking taylor expansion of (- x) in x
0.152 * [taylor]: Taking taylor expansion of x in x
0.180 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in (x) around 0
0.180 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.180 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.180 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.180 * [taylor]: Taking taylor expansion of x in x
0.180 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.180 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.180 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.180 * [taylor]: Taking taylor expansion of x in x
0.181 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.181 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.181 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.181 * [taylor]: Taking taylor expansion of x in x
0.181 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.181 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.181 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.181 * [taylor]: Taking taylor expansion of x in x
0.185 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in (x) around 0
0.185 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
0.185 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.185 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.185 * [taylor]: Taking taylor expansion of -1 in x
0.185 * [taylor]: Taking taylor expansion of x in x
0.185 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.185 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.185 * [taylor]: Taking taylor expansion of x in x
0.186 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
0.186 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.186 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.186 * [taylor]: Taking taylor expansion of -1 in x
0.186 * [taylor]: Taking taylor expansion of x in x
0.186 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.186 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.186 * [taylor]: Taking taylor expansion of x in x
0.189 * * * * [progress]: [ 2 / 3 ] generating series at (2)
0.190 * [approximate]: Taking taylor expansion of (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) in (x) around 0
0.190 * [taylor]: Taking taylor expansion of (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) in x
0.190 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
0.190 * [taylor]: Taking taylor expansion of (exp x) in x
0.190 * [taylor]: Taking taylor expansion of x in x
0.190 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.190 * [taylor]: Taking taylor expansion of (- x) in x
0.190 * [taylor]: Taking taylor expansion of x in x
0.190 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
0.190 * [taylor]: Taking taylor expansion of (exp x) in x
0.190 * [taylor]: Taking taylor expansion of x in x
0.190 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.190 * [taylor]: Taking taylor expansion of (- x) in x
0.190 * [taylor]: Taking taylor expansion of x in x
0.193 * [taylor]: Taking taylor expansion of (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) in x
0.193 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
0.193 * [taylor]: Taking taylor expansion of (exp x) in x
0.193 * [taylor]: Taking taylor expansion of x in x
0.193 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.193 * [taylor]: Taking taylor expansion of (- x) in x
0.193 * [taylor]: Taking taylor expansion of x in x
0.194 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
0.194 * [taylor]: Taking taylor expansion of (exp x) in x
0.194 * [taylor]: Taking taylor expansion of x in x
0.194 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.194 * [taylor]: Taking taylor expansion of (- x) in x
0.194 * [taylor]: Taking taylor expansion of x in x
0.233 * [approximate]: Taking taylor expansion of (/ (- (exp (/ 1 x)) (exp (- (/ 1 x)))) (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in (x) around 0
0.233 * [taylor]: Taking taylor expansion of (/ (- (exp (/ 1 x)) (exp (- (/ 1 x)))) (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in x
0.233 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.233 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.233 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.233 * [taylor]: Taking taylor expansion of x in x
0.234 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.234 * [taylor]: Taking taylor expansion of (- (/ 1 x)) 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 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.234 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.234 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.234 * [taylor]: Taking taylor expansion of x in x
0.235 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.235 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.235 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.235 * [taylor]: Taking taylor expansion of x in x
0.236 * [taylor]: Taking taylor expansion of (/ (- (exp (/ 1 x)) (exp (- (/ 1 x)))) (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in x
0.236 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.236 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.236 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.236 * [taylor]: Taking taylor expansion of x in x
0.236 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.236 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.236 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.236 * [taylor]: Taking taylor expansion of x in x
0.236 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.236 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.237 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.237 * [taylor]: Taking taylor expansion of x in x
0.237 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.237 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.237 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.237 * [taylor]: Taking taylor expansion of x in x
0.250 * [approximate]: Taking taylor expansion of (/ (- (exp (/ -1 x)) (exp (/ 1 x))) (+ (exp (/ 1 x)) (exp (/ -1 x)))) in (x) around 0
0.251 * [taylor]: Taking taylor expansion of (/ (- (exp (/ -1 x)) (exp (/ 1 x))) (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x
0.251 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
0.251 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.251 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.251 * [taylor]: Taking taylor expansion of -1 in x
0.251 * [taylor]: Taking taylor expansion of x in x
0.251 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.251 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.251 * [taylor]: Taking taylor expansion of x in x
0.251 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
0.251 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.251 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.251 * [taylor]: Taking taylor expansion of x in x
0.252 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.252 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.252 * [taylor]: Taking taylor expansion of -1 in x
0.252 * [taylor]: Taking taylor expansion of x in x
0.252 * [taylor]: Taking taylor expansion of (/ (- (exp (/ -1 x)) (exp (/ 1 x))) (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x
0.252 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
0.252 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.252 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.252 * [taylor]: Taking taylor expansion of -1 in x
0.252 * [taylor]: Taking taylor expansion of x in x
0.253 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.253 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.253 * [taylor]: Taking taylor expansion of x in x
0.253 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
0.253 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.253 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.253 * [taylor]: Taking taylor expansion of x in x
0.253 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.253 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.253 * [taylor]: Taking taylor expansion of -1 in x
0.253 * [taylor]: Taking taylor expansion of x in x
0.261 * * * * [progress]: [ 3 / 3 ] generating series at (2 2)
0.261 * [approximate]: Taking taylor expansion of (+ (exp x) (exp (- x))) in (x) around 0
0.262 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
0.262 * [taylor]: Taking taylor expansion of (exp x) in x
0.262 * [taylor]: Taking taylor expansion of x in x
0.262 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.262 * [taylor]: Taking taylor expansion of (- x) in x
0.262 * [taylor]: Taking taylor expansion of x in x
0.262 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
0.262 * [taylor]: Taking taylor expansion of (exp x) in x
0.262 * [taylor]: Taking taylor expansion of x in x
0.262 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.262 * [taylor]: Taking taylor expansion of (- x) in x
0.262 * [taylor]: Taking taylor expansion of x in x
0.276 * [approximate]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in (x) around 0
0.276 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.276 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.276 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.276 * [taylor]: Taking taylor expansion of x in x
0.277 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.277 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.277 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.277 * [taylor]: Taking taylor expansion of x in x
0.277 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.277 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.277 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.277 * [taylor]: Taking taylor expansion of x in x
0.278 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.278 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.278 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.278 * [taylor]: Taking taylor expansion of x in x
0.280 * [approximate]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in (x) around 0
0.280 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
0.280 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.280 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.280 * [taylor]: Taking taylor expansion of x in x
0.280 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.280 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.280 * [taylor]: Taking taylor expansion of -1 in x
0.280 * [taylor]: Taking taylor expansion of x in x
0.281 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
0.281 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.281 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.281 * [taylor]: Taking taylor expansion of x in x
0.281 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.281 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.281 * [taylor]: Taking taylor expansion of -1 in x
0.281 * [taylor]: Taking taylor expansion of x in x
0.283 * * * [progress]: simplifying candidates
0.284 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (exp (exp x)) (exp (exp (- x))))
  (log (- (exp x) (exp (- x))))
  (exp (- (exp x) (exp (- x))))
  (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x)))))
  (cbrt (- (exp x) (exp (- x))))
  (* (* (- (exp x) (exp (- x))) (- (exp x) (exp (- x)))) (- (exp x) (exp (- x))))
  (sqrt (- (exp x) (exp (- x))))
  (sqrt (- (exp x) (exp (- x))))
  (- (pow (exp x) 3) (pow (exp (- x)) 3))
  (+ (* (exp x) (exp x)) (+ (* (exp (- x)) (exp (- x))) (* (exp x) (exp (- x)))))
  (- (exp (- x)))
  (- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x))))
  (+ (exp x) (exp (- x)))
  (+ (sqrt (exp x)) (sqrt (exp (- x))))
  (- (sqrt (exp x)) (sqrt (exp (- x))))
  (- (exp x) (exp (- x)))
  (- (exp (- x)))
  (- (log (- (exp x) (exp (- x)))) (log (+ (exp x) (exp (- x)))))
  (log (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (exp (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (/ (* (* (- (exp x) (exp (- x))) (- (exp x) (exp (- x)))) (- (exp x) (exp (- x)))) (* (* (+ (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) (+ (exp x) (exp (- x)))))
  (* (cbrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))) (cbrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))))
  (cbrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (* (* (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))) (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (sqrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (sqrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (- (- (exp x) (exp (- x))))
  (- (+ (exp x) (exp (- x))))
  (/ (exp x) (+ (exp x) (exp (- x))))
  (/ (exp (- x)) (+ (exp x) (exp (- x))))
  (/ (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (cbrt (- (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (/ (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (cbrt (- (exp x) (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) 1)
  (/ (cbrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) 1)
  (/ (cbrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ (sqrt (- (exp x) (exp (- x)))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (sqrt (- (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (/ (sqrt (- (exp x) (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (sqrt (- (exp x) (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (sqrt (- (exp x) (exp (- x)))) 1)
  (/ (sqrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ (sqrt (- (exp x) (exp (- x)))) 1)
  (/ (sqrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ 1 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (exp x) (exp (- x))) (cbrt (+ (exp x) (exp (- x)))))
  (/ 1 (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (exp x) (exp (- x))) (sqrt (+ (exp x) (exp (- x)))))
  (/ 1 1)
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (/ 1 1)
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (/ (+ (sqrt (exp x)) (sqrt (exp (- x)))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (/ (+ (sqrt (exp x)) (sqrt (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (+ (sqrt (exp x)) (sqrt (exp (- x)))) 1)
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ (+ (sqrt (exp x)) (sqrt (exp (- x)))) 1)
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ 1 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (exp x) (exp (- x))) (cbrt (+ (exp x) (exp (- x)))))
  (/ 1 (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (exp x) (exp (- x))) (sqrt (+ (exp x) (exp (- x)))))
  (/ 1 1)
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (/ 1 1)
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (/ 1 (+ (exp x) (exp (- x))))
  (/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x))))
  (/ (- (exp x) (exp (- x))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (exp x) (exp (- x))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (exp x) (exp (- x))) 1)
  (/ (- (exp x) (exp (- x))) 1)
  (/ (+ (exp x) (exp (- x))) (cbrt (- (exp x) (exp (- x)))))
  (/ (+ (exp x) (exp (- x))) (sqrt (- (exp x) (exp (- x)))))
  (/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x))))
  (/ (+ (exp x) (exp (- x))) (- (sqrt (exp x)) (sqrt (exp (- x)))))
  (/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x))))
  (/ (- (exp x) (exp (- x))) (+ (pow (exp x) 3) (pow (exp (- x)) 3)))
  (/ (- (exp x) (exp (- x))) (- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x)))))
  (* (+ (exp x) (exp (- x))) (+ (* (exp x) (exp x)) (+ (* (exp (- x)) (exp (- x))) (* (exp x) (exp (- x))))))
  (* (+ (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (* (exp (exp x)) (exp (exp (- x))))
  (log (+ (exp x) (exp (- x))))
  (exp (+ (exp x) (exp (- x))))
  (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (cbrt (+ (exp x) (exp (- x))))
  (* (* (+ (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (sqrt (+ (exp x) (exp (- x))))
  (sqrt (+ (exp x) (exp (- x))))
  (+ (pow (exp x) 3) (pow (exp (- x)) 3))
  (+ (* (exp x) (exp x)) (- (* (exp (- x)) (exp (- x))) (* (exp x) (exp (- x)))))
  (- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x))))
  (- (exp x) (exp (- x)))
  (+ (exp x) (exp (- x)))
  (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
  (- (exp x) (exp (- x)))
  (- (exp x) (exp (* -1 x)))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))
  (+ (pow x 2) (+ (* 1/12 (pow x 4)) 2))
  (+ (exp x) (exp (- x)))
  (+ (exp (* -1 x)) (exp x))
0.290 * * [simplify]: iteration  0 :  281  enodes  (cost  936 )
0.294 * * [simplify]: iteration  1 :  947  enodes  (cost  870 )
0.315 * * [simplify]: iteration  2 :  4970  enodes  (cost  860 )
0.522 * * [simplify]: iteration  3 :  5003  enodes  (cost  860 )
0.526 * [simplify]: Simplified to:
   (exp (- (exp x) (exp (- x))))
  (log (- (exp x) (exp (- x))))
  (exp (- (exp x) (exp (- x))))
  (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x)))))
  (cbrt (- (exp x) (exp (- x))))
  (pow (- (exp x) (exp (- x))) 3)
  (sqrt (- (exp x) (exp (- x))))
  (sqrt (- (exp x) (exp (- x))))
  (- (pow (exp x) 3) (pow (exp (- x)) 3))
  (+ (+ 1 (exp (+ x x))) (pow (exp -1) (* 2 x)))
  (- (exp (* -1 x)))
  (- (/ (exp (+ x x)) 1) (/ (pow (exp x) -2) 1))
  (+ (exp (* -1 x)) (exp x))
  (+ (sqrt (exp x)) (sqrt (exp (- x))))
  (- (sqrt (exp x)) (sqrt (exp (- x))))
  (- (exp x) (exp (- x)))
  (- (exp (* -1 x)))
  (log (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (log (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (exp (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (pow (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x))) 3)
  (* (cbrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))) (cbrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))))
  (cbrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (pow (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x))) 3)
  (sqrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (sqrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (- (exp (- x)) (exp x))
  (- (+ (exp x) (exp (- x))))
  (/ (exp x) (+ (exp (* -1 x)) (exp x)))
  (/ 1 (+ 1 (exp (+ x x))))
  (/ (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (cbrt (- (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (/ (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (cbrt (- (exp x) (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x)))))
  (/ (cbrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x)))))
  (/ (cbrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ (sqrt (- (exp x) (exp (- x)))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (sqrt (- (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (/ (sqrt (- (exp x) (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (sqrt (- (exp x) (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (sqrt (- (exp x) (exp (- x))))
  (/ (sqrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (sqrt (- (exp x) (exp (- x))))
  (/ (sqrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ 1 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (exp x) (exp (- x))) (cbrt (+ (exp x) (exp (- x)))))
  (/ 1 (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (exp x) (exp (- x))) (sqrt (+ (exp x) (exp (- x)))))
  1
  (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))
  1
  (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))
  (/ (+ (sqrt (exp x)) (sqrt (exp (- x)))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (/ (+ (sqrt (exp x)) (sqrt (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (+ (sqrt (exp x)) (sqrt (exp (- x))))
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (+ (exp x) (exp (- x))))
  (+ (sqrt (exp x)) (sqrt (exp (- x))))
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ 1 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (exp x) (exp (- x))) (cbrt (+ (exp x) (exp (- x)))))
  (/ 1 (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (exp x) (exp (- x))) (sqrt (+ (exp x) (exp (- x)))))
  1
  (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))
  1
  (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))
  (/ 1 (+ (exp x) (exp (- x))))
  (/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x))))
  (/ (- (exp x) (exp (- x))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (exp x) (exp (- x))) (sqrt (+ (exp x) (exp (- x)))))
  (- (exp x) (exp (- x)))
  (- (exp x) (exp (- x)))
  (/ (+ (exp x) (exp (- x))) (cbrt (- (exp x) (exp (- x)))))
  (/ (+ (exp x) (exp (- x))) (sqrt (- (exp x) (exp (- x)))))
  (/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x))))
  (/ (+ (exp x) (exp (- x))) (- (sqrt (exp x)) (sqrt (exp (- x)))))
  (/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x))))
  (/ (- (exp x) (exp (- x))) (+ (pow (exp x) 3) (pow (exp (- x)) 3)))
  (/ (- (exp x) (exp (- x))) (- (/ (exp (+ x x)) 1) (/ (pow (exp x) -2) 1)))
  (* (+ (+ 1 (exp (+ x x))) (pow (exp -1) (* 2 x))) (+ (exp (* -1 x)) (exp x)))
  (+ (pow (exp x) -2) (+ 1 (+ 1 (exp (+ x x)))))
  (exp (+ (exp x) (exp (- x))))
  (log (+ (exp (* -1 x)) (exp x)))
  (exp (+ (exp x) (exp (- x))))
  (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (cbrt (+ (exp x) (exp (- x))))
  (pow (+ (exp (* -1 x)) (exp x)) 3)
  (sqrt (+ (exp x) (exp (- x))))
  (sqrt (+ (exp x) (exp (- x))))
  (+ (pow (exp x) 3) (pow (exp (- x)) 3))
  (+ (pow (exp x) -2) (- (exp (+ x x)) 1))
  (- (/ (exp (+ x x)) 1) (/ (pow (exp x) -2) 1))
  (- (exp x) (exp (- x)))
  (+ (exp (* -1 x)) (exp x))
  (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
  (- (exp x) (exp (- x)))
  (- (exp x) (exp (- x)))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))
  (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))
  (+ (pow x 2) (+ (* 1/12 (pow x 4)) 2))
  (+ (exp (* -1 x)) (exp x))
  (+ (exp (* -1 x)) (exp x))
0.527 * * * [progress]: adding candidates to table
0.680 * * [progress]: iteration 2 / 4
0.680 * * * [progress]: picking best candidate
0.684 * * * * [pick]: Picked  #<alt (λ (x) (tanh x))>
0.684 * * * [progress]: localizing error
0.686 * * * [progress]: generating rewritten candidates
0.686 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.687 * * * [progress]: generating series expansions
0.687 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.687 * [approximate]: Taking taylor expansion of (tanh x) in (x) around 0
0.687 * [taylor]: Taking taylor expansion of (tanh x) in x
0.687 * [taylor]: Rewrote expression to (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
0.687 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
0.687 * [taylor]: Taking taylor expansion of (exp x) in x
0.687 * [taylor]: Taking taylor expansion of x in x
0.687 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.687 * [taylor]: Taking taylor expansion of (- x) in x
0.688 * [taylor]: Taking taylor expansion of x in x
0.688 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
0.688 * [taylor]: Taking taylor expansion of (exp x) in x
0.688 * [taylor]: Taking taylor expansion of x in x
0.688 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.688 * [taylor]: Taking taylor expansion of (- x) in x
0.688 * [taylor]: Taking taylor expansion of x in x
0.695 * [taylor]: Taking taylor expansion of (tanh x) in x
0.695 * [taylor]: Rewrote expression to (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
0.695 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
0.695 * [taylor]: Taking taylor expansion of (exp x) in x
0.695 * [taylor]: Taking taylor expansion of x in x
0.695 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.695 * [taylor]: Taking taylor expansion of (- x) in x
0.695 * [taylor]: Taking taylor expansion of x in x
0.696 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
0.696 * [taylor]: Taking taylor expansion of (exp x) in x
0.696 * [taylor]: Taking taylor expansion of x in x
0.696 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.696 * [taylor]: Taking taylor expansion of (- x) in x
0.696 * [taylor]: Taking taylor expansion of x in x
0.735 * [approximate]: Taking taylor expansion of (tanh (/ 1 x)) in (x) around 0
0.735 * [taylor]: Taking taylor expansion of (tanh (/ 1 x)) in x
0.735 * [taylor]: Rewrote expression to (/ (- (exp (/ 1 x)) (exp (- (/ 1 x)))) (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))
0.735 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.735 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.735 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.735 * [taylor]: Taking taylor expansion of x in x
0.735 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.736 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.736 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.736 * [taylor]: Taking taylor expansion of x in x
0.736 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.736 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.736 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.736 * [taylor]: Taking taylor expansion of x in x
0.736 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.736 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.736 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.736 * [taylor]: Taking taylor expansion of x in x
0.737 * [taylor]: Taking taylor expansion of (tanh (/ 1 x)) in x
0.737 * [taylor]: Rewrote expression to (/ (- (exp (/ 1 x)) (exp (- (/ 1 x)))) (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))
0.737 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.737 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.737 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.737 * [taylor]: Taking taylor expansion of x in x
0.738 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.738 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.738 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.738 * [taylor]: Taking taylor expansion of x in x
0.738 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.738 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.738 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.738 * [taylor]: Taking taylor expansion of x in x
0.739 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.739 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.739 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.739 * [taylor]: Taking taylor expansion of x in x
0.748 * [approximate]: Taking taylor expansion of (tanh (/ -1 x)) in (x) around 0
0.748 * [taylor]: Taking taylor expansion of (tanh (/ -1 x)) in x
0.748 * [taylor]: Rewrote expression to (/ (- (exp (/ -1 x)) (exp (- (/ -1 x)))) (+ (exp (/ -1 x)) (exp (- (/ -1 x)))))
0.748 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (- (/ -1 x)))) in x
0.748 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.748 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.748 * [taylor]: Taking taylor expansion of -1 in x
0.748 * [taylor]: Taking taylor expansion of x in x
0.748 * [taylor]: Taking taylor expansion of (exp (- (/ -1 x))) in x
0.748 * [taylor]: Taking taylor expansion of (- (/ -1 x)) in x
0.748 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.748 * [taylor]: Taking taylor expansion of -1 in x
0.748 * [taylor]: Taking taylor expansion of x in x
0.749 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) (exp (- (/ -1 x)))) in x
0.749 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.749 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.749 * [taylor]: Taking taylor expansion of -1 in x
0.749 * [taylor]: Taking taylor expansion of x in x
0.749 * [taylor]: Taking taylor expansion of (exp (- (/ -1 x))) in x
0.749 * [taylor]: Taking taylor expansion of (- (/ -1 x)) in x
0.749 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.749 * [taylor]: Taking taylor expansion of -1 in x
0.749 * [taylor]: Taking taylor expansion of x in x
0.750 * [taylor]: Taking taylor expansion of (tanh (/ -1 x)) in x
0.750 * [taylor]: Rewrote expression to (/ (- (exp (/ -1 x)) (exp (- (/ -1 x)))) (+ (exp (/ -1 x)) (exp (- (/ -1 x)))))
0.750 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (- (/ -1 x)))) in x
0.750 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.750 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.750 * [taylor]: Taking taylor expansion of -1 in x
0.750 * [taylor]: Taking taylor expansion of x in x
0.751 * [taylor]: Taking taylor expansion of (exp (- (/ -1 x))) in x
0.751 * [taylor]: Taking taylor expansion of (- (/ -1 x)) in x
0.751 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.751 * [taylor]: Taking taylor expansion of -1 in x
0.751 * [taylor]: Taking taylor expansion of x in x
0.751 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) (exp (- (/ -1 x)))) in x
0.751 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.751 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.751 * [taylor]: Taking taylor expansion of -1 in x
0.751 * [taylor]: Taking taylor expansion of x in x
0.752 * [taylor]: Taking taylor expansion of (exp (- (/ -1 x))) in x
0.752 * [taylor]: Taking taylor expansion of (- (/ -1 x)) in x
0.752 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.752 * [taylor]: Taking taylor expansion of -1 in x
0.752 * [taylor]: Taking taylor expansion of x in x
0.760 * * * [progress]: simplifying candidates
0.761 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (exp x) (exp (- x)))
  (+ (exp x) (exp (- x)))
  (- (exp (* 2 x)) 1)
  (+ (exp (* 2 x)) 1)
  (- 1 (exp (* -2 x)))
  (+ 1 (exp (* -2 x)))
  (log (tanh x))
  (exp (tanh x))
  (* (cbrt (tanh x)) (cbrt (tanh x)))
  (cbrt (tanh x))
  (* (* (tanh x) (tanh x)) (tanh x))
  (sqrt (tanh x))
  (sqrt (tanh x))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))
0.763 * * [simplify]: iteration  0 :  91  enodes  (cost  48 )
0.765 * * [simplify]: iteration  1 :  195  enodes  (cost  45 )
0.769 * * [simplify]: iteration  2 :  599  enodes  (cost  45 )
0.780 * * [simplify]: iteration  3 :  2891  enodes  (cost  45 )
0.831 * * [simplify]: iteration  4 :  5002  enodes  (cost  45 )
0.832 * [simplify]: Simplified to:
   (- (exp x) (exp (* -1 x)))
  (+ (exp (* -1 x)) (exp x))
  (- (exp (* 2 x)) 1)
  (+ (exp (* 2 x)) 1)
  (- 1 (exp (* -2 x)))
  (+ 1 (exp (* -2 x)))
  (log (tanh x))
  (exp (tanh x))
  (* (cbrt (tanh x)) (cbrt (tanh x)))
  (cbrt (tanh x))
  (pow (tanh x) 3)
  (sqrt (tanh x))
  (sqrt (tanh x))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (tanh x)
  (tanh x)
0.832 * * * [progress]: adding candidates to table
0.853 * * [progress]: iteration 3 / 4
0.853 * * * [progress]: picking best candidate
0.856 * * * * [pick]: Picked  #<alt (λ (x) (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (+ (exp x) (exp (- x)))))>
0.856 * * * [progress]: localizing error
0.871 * * * [progress]: generating rewritten candidates
0.871 * * * * [progress]: [ 1 / 4 ] rewriting at (2 1 1)
0.877 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1 2 1)
0.882 * * * * [progress]: [ 3 / 4 ] rewriting at (2 2)
0.887 * * * * [progress]: [ 4 / 4 ] rewriting at (2)
0.904 * * * [progress]: generating series expansions
0.904 * * * * [progress]: [ 1 / 4 ] generating series at (2 1 1)
0.904 * [approximate]: Taking taylor expansion of (* 1/3 (pow x 3)) in (x) around 0
0.904 * [taylor]: Taking taylor expansion of (* 1/3 (pow x 3)) in x
0.904 * [taylor]: Taking taylor expansion of 1/3 in x
0.904 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.904 * [taylor]: Taking taylor expansion of x in x
0.904 * [taylor]: Taking taylor expansion of (* 1/3 (pow x 3)) in x
0.904 * [taylor]: Taking taylor expansion of 1/3 in x
0.904 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.904 * [taylor]: Taking taylor expansion of x in x
0.915 * [approximate]: Taking taylor expansion of (/ 1/3 (pow x 3)) in (x) around 0
0.915 * [taylor]: Taking taylor expansion of (/ 1/3 (pow x 3)) in x
0.915 * [taylor]: Taking taylor expansion of 1/3 in x
0.915 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.915 * [taylor]: Taking taylor expansion of x in x
0.916 * [taylor]: Taking taylor expansion of (/ 1/3 (pow x 3)) in x
0.916 * [taylor]: Taking taylor expansion of 1/3 in x
0.916 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.916 * [taylor]: Taking taylor expansion of x in x
0.930 * [approximate]: Taking taylor expansion of (/ -1/3 (pow x 3)) in (x) around 0
0.930 * [taylor]: Taking taylor expansion of (/ -1/3 (pow x 3)) in x
0.930 * [taylor]: Taking taylor expansion of -1/3 in x
0.930 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.931 * [taylor]: Taking taylor expansion of x in x
0.931 * [taylor]: Taking taylor expansion of (/ -1/3 (pow x 3)) in x
0.931 * [taylor]: Taking taylor expansion of -1/3 in x
0.931 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.931 * [taylor]: Taking taylor expansion of x in x
0.942 * * * * [progress]: [ 2 / 4 ] generating series at (2 1 2 1)
0.942 * [approximate]: Taking taylor expansion of (* 1/60 (pow x 5)) in (x) around 0
0.942 * [taylor]: Taking taylor expansion of (* 1/60 (pow x 5)) in x
0.942 * [taylor]: Taking taylor expansion of 1/60 in x
0.942 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.942 * [taylor]: Taking taylor expansion of x in x
0.942 * [taylor]: Taking taylor expansion of (* 1/60 (pow x 5)) in x
0.942 * [taylor]: Taking taylor expansion of 1/60 in x
0.942 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.942 * [taylor]: Taking taylor expansion of x in x
0.957 * [approximate]: Taking taylor expansion of (/ 1/60 (pow x 5)) in (x) around 0
0.957 * [taylor]: Taking taylor expansion of (/ 1/60 (pow x 5)) in x
0.957 * [taylor]: Taking taylor expansion of 1/60 in x
0.957 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.957 * [taylor]: Taking taylor expansion of x in x
0.958 * [taylor]: Taking taylor expansion of (/ 1/60 (pow x 5)) in x
0.958 * [taylor]: Taking taylor expansion of 1/60 in x
0.958 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.958 * [taylor]: Taking taylor expansion of x in x
0.972 * [approximate]: Taking taylor expansion of (/ -1/60 (pow x 5)) in (x) around 0
0.972 * [taylor]: Taking taylor expansion of (/ -1/60 (pow x 5)) in x
0.972 * [taylor]: Taking taylor expansion of -1/60 in x
0.972 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.972 * [taylor]: Taking taylor expansion of x in x
0.973 * [taylor]: Taking taylor expansion of (/ -1/60 (pow x 5)) in x
0.973 * [taylor]: Taking taylor expansion of -1/60 in x
0.973 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.973 * [taylor]: Taking taylor expansion of x in x
0.987 * * * * [progress]: [ 3 / 4 ] generating series at (2 2)
0.987 * [approximate]: Taking taylor expansion of (+ (exp x) (exp (- x))) in (x) around 0
0.987 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
0.987 * [taylor]: Taking taylor expansion of (exp x) in x
0.987 * [taylor]: Taking taylor expansion of x in x
0.987 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.987 * [taylor]: Taking taylor expansion of (- x) in x
0.987 * [taylor]: Taking taylor expansion of x in x
0.987 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
0.987 * [taylor]: Taking taylor expansion of (exp x) in x
0.987 * [taylor]: Taking taylor expansion of x in x
0.987 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.987 * [taylor]: Taking taylor expansion of (- x) in x
0.987 * [taylor]: Taking taylor expansion of x in x
1.007 * [approximate]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in (x) around 0
1.007 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
1.007 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.007 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.007 * [taylor]: Taking taylor expansion of x in x
1.007 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
1.007 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
1.007 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.007 * [taylor]: Taking taylor expansion of x in x
1.008 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
1.008 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.008 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.008 * [taylor]: Taking taylor expansion of x in x
1.008 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
1.008 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
1.008 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.008 * [taylor]: Taking taylor expansion of x in x
1.010 * [approximate]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in (x) around 0
1.010 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
1.010 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.010 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.010 * [taylor]: Taking taylor expansion of x in x
1.011 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.011 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.011 * [taylor]: Taking taylor expansion of -1 in x
1.011 * [taylor]: Taking taylor expansion of x in x
1.011 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
1.011 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.011 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.011 * [taylor]: Taking taylor expansion of x in x
1.011 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.011 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.011 * [taylor]: Taking taylor expansion of -1 in x
1.011 * [taylor]: Taking taylor expansion of x in x
1.013 * * * * [progress]: [ 4 / 4 ] generating series at (2)
1.014 * [approximate]: Taking taylor expansion of (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (+ (exp x) (exp (- x)))) in (x) around 0
1.014 * [taylor]: Taking taylor expansion of (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (+ (exp x) (exp (- x)))) in x
1.014 * [taylor]: Taking taylor expansion of (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) in x
1.014 * [taylor]: Taking taylor expansion of (* 1/3 (pow x 3)) in x
1.014 * [taylor]: Taking taylor expansion of 1/3 in x
1.014 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.014 * [taylor]: Taking taylor expansion of x in x
1.014 * [taylor]: Taking taylor expansion of (+ (* 1/60 (pow x 5)) (* 2 x)) in x
1.014 * [taylor]: Taking taylor expansion of (* 1/60 (pow x 5)) in x
1.014 * [taylor]: Taking taylor expansion of 1/60 in x
1.014 * [taylor]: Taking taylor expansion of (pow x 5) in x
1.014 * [taylor]: Taking taylor expansion of x in x
1.014 * [taylor]: Taking taylor expansion of (* 2 x) in x
1.014 * [taylor]: Taking taylor expansion of 2 in x
1.014 * [taylor]: Taking taylor expansion of x in x
1.014 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
1.014 * [taylor]: Taking taylor expansion of (exp x) in x
1.014 * [taylor]: Taking taylor expansion of x in x
1.014 * [taylor]: Taking taylor expansion of (exp (- x)) in x
1.014 * [taylor]: Taking taylor expansion of (- x) in x
1.014 * [taylor]: Taking taylor expansion of x in x
1.017 * [taylor]: Taking taylor expansion of (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (+ (exp x) (exp (- x)))) in x
1.017 * [taylor]: Taking taylor expansion of (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) in x
1.017 * [taylor]: Taking taylor expansion of (* 1/3 (pow x 3)) in x
1.017 * [taylor]: Taking taylor expansion of 1/3 in x
1.017 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.017 * [taylor]: Taking taylor expansion of x in x
1.017 * [taylor]: Taking taylor expansion of (+ (* 1/60 (pow x 5)) (* 2 x)) in x
1.017 * [taylor]: Taking taylor expansion of (* 1/60 (pow x 5)) in x
1.017 * [taylor]: Taking taylor expansion of 1/60 in x
1.017 * [taylor]: Taking taylor expansion of (pow x 5) in x
1.017 * [taylor]: Taking taylor expansion of x in x
1.017 * [taylor]: Taking taylor expansion of (* 2 x) in x
1.017 * [taylor]: Taking taylor expansion of 2 in x
1.017 * [taylor]: Taking taylor expansion of x in x
1.017 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
1.017 * [taylor]: Taking taylor expansion of (exp x) in x
1.017 * [taylor]: Taking taylor expansion of x in x
1.017 * [taylor]: Taking taylor expansion of (exp (- x)) in x
1.017 * [taylor]: Taking taylor expansion of (- x) in x
1.017 * [taylor]: Taking taylor expansion of x in x
1.044 * [approximate]: Taking taylor expansion of (/ (+ (* 2 (/ 1 x)) (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3))))) (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in (x) around 0
1.044 * [taylor]: Taking taylor expansion of (/ (+ (* 2 (/ 1 x)) (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3))))) (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in x
1.044 * [taylor]: Taking taylor expansion of (+ (* 2 (/ 1 x)) (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3))))) in x
1.044 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
1.044 * [taylor]: Taking taylor expansion of 2 in x
1.044 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.044 * [taylor]: Taking taylor expansion of x in x
1.044 * [taylor]: Taking taylor expansion of (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3)))) in x
1.044 * [taylor]: Taking taylor expansion of (* 1/60 (/ 1 (pow x 5))) in x
1.044 * [taylor]: Taking taylor expansion of 1/60 in x
1.044 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
1.044 * [taylor]: Taking taylor expansion of (pow x 5) in x
1.044 * [taylor]: Taking taylor expansion of x in x
1.045 * [taylor]: Taking taylor expansion of (* 1/3 (/ 1 (pow x 3))) in x
1.045 * [taylor]: Taking taylor expansion of 1/3 in x
1.045 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
1.045 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.045 * [taylor]: Taking taylor expansion of x in x
1.046 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
1.046 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.046 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.046 * [taylor]: Taking taylor expansion of x in x
1.046 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
1.046 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
1.046 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.046 * [taylor]: Taking taylor expansion of x in x
1.048 * [taylor]: Taking taylor expansion of (/ (+ (* 2 (/ 1 x)) (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3))))) (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in x
1.048 * [taylor]: Taking taylor expansion of (+ (* 2 (/ 1 x)) (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3))))) in x
1.048 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
1.048 * [taylor]: Taking taylor expansion of 2 in x
1.048 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.048 * [taylor]: Taking taylor expansion of x in x
1.048 * [taylor]: Taking taylor expansion of (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3)))) in x
1.048 * [taylor]: Taking taylor expansion of (* 1/60 (/ 1 (pow x 5))) in x
1.048 * [taylor]: Taking taylor expansion of 1/60 in x
1.048 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
1.048 * [taylor]: Taking taylor expansion of (pow x 5) in x
1.048 * [taylor]: Taking taylor expansion of x in x
1.049 * [taylor]: Taking taylor expansion of (* 1/3 (/ 1 (pow x 3))) in x
1.049 * [taylor]: Taking taylor expansion of 1/3 in x
1.049 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
1.049 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.049 * [taylor]: Taking taylor expansion of x in x
1.050 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
1.050 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.050 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.050 * [taylor]: Taking taylor expansion of x in x
1.050 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
1.050 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
1.050 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.050 * [taylor]: Taking taylor expansion of x in x
1.071 * [approximate]: Taking taylor expansion of (* -1 (/ (+ (* 2 (/ 1 x)) (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3))))) (+ (exp (/ 1 x)) (exp (/ -1 x))))) in (x) around 0
1.071 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 2 (/ 1 x)) (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3))))) (+ (exp (/ 1 x)) (exp (/ -1 x))))) in x
1.071 * [taylor]: Taking taylor expansion of -1 in x
1.071 * [taylor]: Taking taylor expansion of (/ (+ (* 2 (/ 1 x)) (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3))))) (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x
1.071 * [taylor]: Taking taylor expansion of (+ (* 2 (/ 1 x)) (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3))))) in x
1.071 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
1.071 * [taylor]: Taking taylor expansion of 2 in x
1.071 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.071 * [taylor]: Taking taylor expansion of x in x
1.072 * [taylor]: Taking taylor expansion of (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3)))) in x
1.072 * [taylor]: Taking taylor expansion of (* 1/60 (/ 1 (pow x 5))) in x
1.072 * [taylor]: Taking taylor expansion of 1/60 in x
1.072 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
1.072 * [taylor]: Taking taylor expansion of (pow x 5) in x
1.072 * [taylor]: Taking taylor expansion of x in x
1.073 * [taylor]: Taking taylor expansion of (* 1/3 (/ 1 (pow x 3))) in x
1.073 * [taylor]: Taking taylor expansion of 1/3 in x
1.073 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
1.073 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.073 * [taylor]: Taking taylor expansion of x in x
1.073 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
1.073 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.073 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.073 * [taylor]: Taking taylor expansion of x in x
1.074 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.074 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.074 * [taylor]: Taking taylor expansion of -1 in x
1.074 * [taylor]: Taking taylor expansion of x in x
1.075 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 2 (/ 1 x)) (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3))))) (+ (exp (/ 1 x)) (exp (/ -1 x))))) in x
1.075 * [taylor]: Taking taylor expansion of -1 in x
1.075 * [taylor]: Taking taylor expansion of (/ (+ (* 2 (/ 1 x)) (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3))))) (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x
1.075 * [taylor]: Taking taylor expansion of (+ (* 2 (/ 1 x)) (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3))))) in x
1.075 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
1.075 * [taylor]: Taking taylor expansion of 2 in x
1.075 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.075 * [taylor]: Taking taylor expansion of x in x
1.075 * [taylor]: Taking taylor expansion of (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3)))) in x
1.075 * [taylor]: Taking taylor expansion of (* 1/60 (/ 1 (pow x 5))) in x
1.075 * [taylor]: Taking taylor expansion of 1/60 in x
1.075 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
1.075 * [taylor]: Taking taylor expansion of (pow x 5) in x
1.075 * [taylor]: Taking taylor expansion of x in x
1.081 * [taylor]: Taking taylor expansion of (* 1/3 (/ 1 (pow x 3))) in x
1.081 * [taylor]: Taking taylor expansion of 1/3 in x
1.081 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
1.081 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.081 * [taylor]: Taking taylor expansion of x in x
1.081 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
1.081 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.081 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.081 * [taylor]: Taking taylor expansion of x in x
1.082 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.082 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.082 * [taylor]: Taking taylor expansion of -1 in x
1.082 * [taylor]: Taking taylor expansion of x in x
1.104 * * * [progress]: simplifying candidates
1.106 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (log 1/3) (* (log x) 3))
  (+ (log 1/3) (* (log x) 3))
  (+ (log 1/3) (log (pow x 3)))
  (log (* 1/3 (pow x 3)))
  (exp (* 1/3 (pow x 3)))
  (* (* (* 1/3 1/3) 1/3) (* (* (pow x 3) (pow x 3)) (pow x 3)))
  (* (cbrt (* 1/3 (pow x 3))) (cbrt (* 1/3 (pow x 3))))
  (cbrt (* 1/3 (pow x 3)))
  (* (* (* 1/3 (pow x 3)) (* 1/3 (pow x 3))) (* 1/3 (pow x 3)))
  (sqrt (* 1/3 (pow x 3)))
  (sqrt (* 1/3 (pow x 3)))
  (* (sqrt 1/3) (pow (sqrt x) 3))
  (* (sqrt 1/3) (pow (sqrt x) 3))
  (* (sqrt 1/3) (pow (sqrt x) 3))
  (* (sqrt 1/3) (pow (sqrt x) 3))
  (* (sqrt 1/3) (sqrt (pow x 3)))
  (* (sqrt 1/3) (sqrt (pow x 3)))
  (* (sqrt 1/3) (pow x (/ 3 2)))
  (* (sqrt 1/3) (pow x (/ 3 2)))
  (* 1/3 (pow (* (cbrt x) (cbrt x)) 3))
  (* 1/3 (pow (sqrt x) 3))
  (* 1/3 (pow 1 3))
  (* 1/3 (* x x))
  (* 1/3 (* (cbrt (pow x 3)) (cbrt (pow x 3))))
  (* 1/3 (pow (* (cbrt x) (cbrt x)) 3))
  (* 1/3 (pow (sqrt x) 3))
  (* 1/3 (pow 1 3))
  (* 1/3 x)
  (* 1/3 (sqrt (pow x 3)))
  (* 1/3 1)
  (* 1/3 (pow x (/ 3 2)))
  (* (cbrt 1/3) (pow x 3))
  (* (sqrt 1/3) (pow x 3))
  (* 1/3 (pow x 3))
  (+ (log 1/60) (* (log x) 5))
  (+ (log 1/60) (* (log x) 5))
  (+ (log 1/60) (log (pow x 5)))
  (log (* 1/60 (pow x 5)))
  (exp (* 1/60 (pow x 5)))
  (* (* (* 1/60 1/60) 1/60) (* (* (pow x 5) (pow x 5)) (pow x 5)))
  (* (cbrt (* 1/60 (pow x 5))) (cbrt (* 1/60 (pow x 5))))
  (cbrt (* 1/60 (pow x 5)))
  (* (* (* 1/60 (pow x 5)) (* 1/60 (pow x 5))) (* 1/60 (pow x 5)))
  (sqrt (* 1/60 (pow x 5)))
  (sqrt (* 1/60 (pow x 5)))
  (* (sqrt 1/60) (pow (sqrt x) 5))
  (* (sqrt 1/60) (pow (sqrt x) 5))
  (* (sqrt 1/60) (sqrt (pow x 5)))
  (* (sqrt 1/60) (sqrt (pow x 5)))
  (* (sqrt 1/60) (pow x (/ 5 2)))
  (* (sqrt 1/60) (pow x (/ 5 2)))
  (* 1/60 (pow (* (cbrt x) (cbrt x)) 5))
  (* 1/60 (pow (sqrt x) 5))
  (* 1/60 (pow 1 5))
  (* 1/60 (* (cbrt (pow x 5)) (cbrt (pow x 5))))
  (* 1/60 (sqrt (pow x 5)))
  (* 1/60 1)
  (* 1/60 (pow x (/ 5 2)))
  (* (cbrt 1/60) (pow x 5))
  (* (sqrt 1/60) (pow x 5))
  (* 1/60 (pow x 5))
  (* (exp (exp x)) (exp (exp (- x))))
  (log (+ (exp x) (exp (- x))))
  (exp (+ (exp x) (exp (- x))))
  (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (cbrt (+ (exp x) (exp (- x))))
  (* (* (+ (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (sqrt (+ (exp x) (exp (- x))))
  (sqrt (+ (exp x) (exp (- x))))
  (+ (pow (exp x) 3) (pow (exp (- x)) 3))
  (+ (* (exp x) (exp x)) (- (* (exp (- x)) (exp (- x))) (* (exp x) (exp (- x)))))
  (- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x))))
  (- (exp x) (exp (- x)))
  (+ (exp x) (exp (- x)))
  (- (log (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))) (log (+ (exp x) (exp (- x)))))
  (log (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (+ (exp x) (exp (- x)))))
  (exp (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (+ (exp x) (exp (- x)))))
  (/ (* (* (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))) (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))) (* (* (+ (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) (+ (exp x) (exp (- x)))))
  (* (cbrt (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (+ (exp x) (exp (- x))))) (cbrt (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (+ (exp x) (exp (- x))))))
  (cbrt (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (+ (exp x) (exp (- x)))))
  (* (* (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (+ (exp x) (exp (- x)))) (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (+ (exp x) (exp (- x))))) (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (+ (exp x) (exp (- x)))))
  (sqrt (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (+ (exp x) (exp (- x)))))
  (sqrt (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (+ (exp x) (exp (- x)))))
  (- (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))))
  (- (+ (exp x) (exp (- x))))
  (/ (* (cbrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))) (cbrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (cbrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))) (cbrt (+ (exp x) (exp (- x)))))
  (/ (* (cbrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))) (cbrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (cbrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (* (cbrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))) (cbrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))))) 1)
  (/ (cbrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))) (+ (exp x) (exp (- x))))
  (/ (* (cbrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))) (cbrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))))) 1)
  (/ (cbrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))) (+ (exp x) (exp (- x))))
  (/ (sqrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (sqrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))) (cbrt (+ (exp x) (exp (- x)))))
  (/ (sqrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (sqrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (sqrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))) 1)
  (/ (sqrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))) (+ (exp x) (exp (- x))))
  (/ (sqrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))) 1)
  (/ (sqrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))) (+ (exp x) (exp (- x))))
  (/ 1 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (cbrt (+ (exp x) (exp (- x)))))
  (/ 1 (sqrt (+ (exp x) (exp (- x)))))
  (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (sqrt (+ (exp x) (exp (- x)))))
  (/ 1 1)
  (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (+ (exp x) (exp (- x))))
  (/ 1 1)
  (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (+ (exp x) (exp (- x))))
  (/ 1 (+ (exp x) (exp (- x))))
  (/ (+ (exp x) (exp (- x))) (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))))
  (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) 1)
  (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) 1)
  (/ (+ (exp x) (exp (- x))) (cbrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))))
  (/ (+ (exp x) (exp (- x))) (sqrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))))
  (/ (+ (exp x) (exp (- x))) (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))))
  (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (+ (pow (exp x) 3) (pow (exp (- x)) 3)))
  (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x)))))
  (* (+ (exp x) (exp (- x))) (+ (* (* 1/3 (pow x 3)) (* 1/3 (pow x 3))) (- (* (+ (* 1/60 (pow x 5)) (* 2 x)) (+ (* 1/60 (pow x 5)) (* 2 x))) (* (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))))))
  (* (+ (exp x) (exp (- x))) (- (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))))
  (* 1/3 (pow x 3))
  (* 1/3 (pow x 3))
  (* 1/3 (pow x 3))
  (* 1/60 (pow x 5))
  (* 1/60 (pow x 5))
  (* 1/60 (pow x 5))
  (+ (pow x 2) (+ (* 1/12 (pow x 4)) 2))
  (+ (exp x) (exp (- x)))
  (+ (exp (* -1 x)) (exp x))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (+ (* 1/3 (/ (pow x 3) (+ (exp x) (exp (- x))))) (+ (* 1/60 (/ (pow x 5) (+ (exp x) (exp (- x))))) (* 2 (/ x (+ (exp x) (exp (- x)))))))
  (+ (* 2 (/ x (+ (exp (* -1 x)) (exp x)))) (+ (* 1/3 (/ (pow x 3) (+ (exp (* -1 x)) (exp x)))) (* 1/60 (/ (pow x 5) (+ (exp (* -1 x)) (exp x))))))
1.114 * * [simplify]: iteration  0 :  483  enodes  (cost  1031 )
1.123 * * [simplify]: iteration  1 :  2122  enodes  (cost  953 )
1.163 * * [simplify]: iteration  2 :  5001  enodes  (cost  952 )
1.168 * [simplify]: Simplified to:
   (log (* 1/3 (pow x 3)))
  (log (* 1/3 (pow x 3)))
  (log (* 1/3 (pow x 3)))
  (log (* 1/3 (pow x 3)))
  (exp (* 1/3 (pow x 3)))
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  (* (cbrt (* 1/3 (pow x 3))) (cbrt (* 1/3 (pow x 3))))
  (cbrt (* 1/3 (pow x 3)))
  (pow (* 1/3 (pow x 3)) 3)
  (sqrt (* 1/3 (pow x 3)))
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  (* 1/3 (pow (sqrt x) 3))
  1/3
  (* (* 1/3 x) x)
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  (* (* 1/3 x) x)
  (* 1/3 (pow (sqrt x) 3))
  1/3
  (* 1/3 x)
  (* 1/3 (sqrt (pow x 3)))
  1/3
  (* 1/3 (pow x 3/2))
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  (* 1/60 (pow (sqrt x) 5))
  1/60
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  1/60
  (* 1/60 (pow x 5/2))
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  (/ (cbrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))) (cbrt (+ (exp x) (exp (- x)))))
  (/ (* (cbrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))) (cbrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (cbrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))) (sqrt (+ (exp x) (exp (- x)))))
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  (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (sqrt (+ (exp x) (exp (- x)))))
  1
  (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (+ (exp x) (exp (- x))))
  1
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  (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (sqrt (+ (exp x) (exp (- x)))))
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  (/ (+ (exp x) (exp (- x))) (cbrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))))
  (/ (+ (exp x) (exp (- x))) (sqrt (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))))
  (/ (+ (exp x) (exp (- x))) (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))))
  (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (+ (pow (exp x) 3) (pow (exp (- x)) 3)))
  (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (+ (exp (+ x x)) (- (exp (+ (- x) (- x))))))
  (* (+ (* (+ (* 1/60 (pow x 5)) (* 2 x)) (- (+ (* 1/60 (pow x 5)) (* 2 x)) (* 1/3 (pow x 3)))) (* 1/9 (* (pow x 3) (pow x 3)))) (+ (exp x) (exp (- x))))
  (* (+ (exp x) (exp (- x))) (- (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))))
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  (* 1/60 (pow x 5))
  (* 1/60 (pow x 5))
  (* 1/60 (pow x 5))
  (+ (pow x 2) (+ (* 1/12 (pow x 4)) 2))
  (+ (exp (* -1 x)) (exp x))
  (+ (exp (* -1 x)) (exp x))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (+ (* 2 (/ x (+ (exp (* -1 x)) (exp x)))) (+ (* 1/3 (/ (pow x 3) (+ (exp (* -1 x)) (exp x)))) (* 1/60 (/ (pow x 5) (+ (exp (* -1 x)) (exp x))))))
  (+ (* 2 (/ x (+ (exp (* -1 x)) (exp x)))) (+ (* 1/3 (/ (pow x 3) (+ (exp (* -1 x)) (exp x)))) (* 1/60 (/ (pow x 5) (+ (exp (* -1 x)) (exp x))))))
1.169 * * * [progress]: adding candidates to table
1.453 * [progress]: [Phase 3 of 3] Extracting.
1.453 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (+ (exp x) (exp (- x)))))> #<alt (λ (x) (tanh x))>)
1.453 * * * [regime-changes]: Trying 1 branch expressions: (x)
1.453 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (+ (exp x) (exp (- x)))))> #<alt (λ (x) (tanh x))>)
1.464 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
1.464 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (tanh x)
1.464 * * [simplify]: iteration  0 :  2  enodes  (cost  1 )
1.465 * [simplify]: Simplified to:
   (tanh x)
3.869 * [regime-testing]: Baseline error score: 0.015200020315129537
3.870 * [regime-testing]: Oracle error score: 0.00557381703972011
3.872 * [regime-testing]: End program error score: 0.015200020315129537