12.260 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.079 * * * [progress]: [2/2] Setting up program.
0.081 * [progress]: [Phase 2 of 3] Improving.
0.081 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
0.082 * * [simplify]: iteration  0 :  9  enodes  (cost  14 )
0.083 * * [simplify]: iteration  1 :  20  enodes  (cost  14 )
0.085 * * [simplify]: iteration  2 :  42  enodes  (cost  14 )
0.091 * * [simplify]: iteration  3 :  88  enodes  (cost  14 )
0.107 * * [simplify]: iteration  4 :  159  enodes  (cost  14 )
0.135 * * [simplify]: iteration  5 :  250  enodes  (cost  14 )
0.197 * * [simplify]: iteration  6 :  339  enodes  (cost  14 )
0.292 * * [simplify]: iteration  7 :  499  enodes  (cost  14 )
0.644 * * [simplify]: iteration  8 :  1244  enodes  (cost  14 )
3.336 * * [simplify]: iteration  done :  5001  enodes  (cost  14 )
3.336 * [simplify]: Simplified to:
   (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
3.337 * * [progress]: iteration 1 / 4
3.337 * * * [progress]: picking best candidate
3.338 * * * * [pick]: Picked  #<alt (λ (v) (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))>
3.338 * * * [progress]: localizing error
3.346 * * * [progress]: generating rewritten candidates
3.346 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
3.347 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1 1 2)
3.354 * * * * [progress]: [ 3 / 3 ] rewriting at (2 1)
3.369 * * * [progress]: generating series expansions
3.369 * * * * [progress]: [ 1 / 3 ] generating series at (2)
3.369 * [approximate]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))) in (v) around 0
3.369 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))) in v
3.369 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))) in v
3.370 * [approximate]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in (v) around 0
3.370 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in v
3.370 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in v
3.371 * [approximate]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in (v) around 0
3.371 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in v
3.372 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in v
3.372 * * * * [progress]: [ 2 / 3 ] generating series at (2 1 1 2)
3.372 * [approximate]: Taking taylor expansion of (* 5.0 (pow v 2)) in (v) around 0
3.372 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
3.372 * [taylor]: Taking taylor expansion of 5.0 in v
3.372 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.372 * [taylor]: Taking taylor expansion of v in v
3.373 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
3.373 * [taylor]: Taking taylor expansion of 5.0 in v
3.373 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.373 * [taylor]: Taking taylor expansion of v in v
3.381 * [approximate]: Taking taylor expansion of (/ 5.0 (pow v 2)) in (v) around 0
3.381 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
3.381 * [taylor]: Taking taylor expansion of 5.0 in v
3.381 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.381 * [taylor]: Taking taylor expansion of v in v
3.382 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
3.382 * [taylor]: Taking taylor expansion of 5.0 in v
3.382 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.382 * [taylor]: Taking taylor expansion of v in v
3.389 * [approximate]: Taking taylor expansion of (/ 5.0 (pow v 2)) in (v) around 0
3.389 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
3.389 * [taylor]: Taking taylor expansion of 5.0 in v
3.389 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.389 * [taylor]: Taking taylor expansion of v in v
3.390 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
3.390 * [taylor]: Taking taylor expansion of 5.0 in v
3.390 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.390 * [taylor]: Taking taylor expansion of v in v
3.398 * * * * [progress]: [ 3 / 3 ] generating series at (2 1)
3.398 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)) in (v) around 0
3.398 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)) in v
3.398 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (pow v 2))) in v
3.398 * [taylor]: Taking taylor expansion of 1.0 in v
3.398 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
3.398 * [taylor]: Taking taylor expansion of 5.0 in v
3.398 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.398 * [taylor]: Taking taylor expansion of v in v
3.398 * [taylor]: Taking taylor expansion of (- (pow v 2) 1.0) in v
3.398 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.398 * [taylor]: Taking taylor expansion of v in v
3.398 * [taylor]: Taking taylor expansion of 1.0 in v
3.400 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)) in v
3.400 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (pow v 2))) in v
3.400 * [taylor]: Taking taylor expansion of 1.0 in v
3.400 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
3.400 * [taylor]: Taking taylor expansion of 5.0 in v
3.400 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.400 * [taylor]: Taking taylor expansion of v in v
3.400 * [taylor]: Taking taylor expansion of (- (pow v 2) 1.0) in v
3.400 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.400 * [taylor]: Taking taylor expansion of v in v
3.400 * [taylor]: Taking taylor expansion of 1.0 in v
3.418 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0)) in (v) around 0
3.418 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0)) in v
3.418 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (/ 1 (pow v 2)))) in v
3.418 * [taylor]: Taking taylor expansion of 1.0 in v
3.418 * [taylor]: Taking taylor expansion of (* 5.0 (/ 1 (pow v 2))) in v
3.418 * [taylor]: Taking taylor expansion of 5.0 in v
3.418 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
3.418 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.418 * [taylor]: Taking taylor expansion of v in v
3.419 * [taylor]: Taking taylor expansion of (- (/ 1 (pow v 2)) 1.0) in v
3.419 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
3.419 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.419 * [taylor]: Taking taylor expansion of v in v
3.419 * [taylor]: Taking taylor expansion of 1.0 in v
3.421 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0)) in v
3.421 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (/ 1 (pow v 2)))) in v
3.421 * [taylor]: Taking taylor expansion of 1.0 in v
3.421 * [taylor]: Taking taylor expansion of (* 5.0 (/ 1 (pow v 2))) in v
3.421 * [taylor]: Taking taylor expansion of 5.0 in v
3.421 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
3.421 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.421 * [taylor]: Taking taylor expansion of v in v
3.422 * [taylor]: Taking taylor expansion of (- (/ 1 (pow v 2)) 1.0) in v
3.422 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
3.422 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.422 * [taylor]: Taking taylor expansion of v in v
3.422 * [taylor]: Taking taylor expansion of 1.0 in v
3.451 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0)) in (v) around 0
3.451 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0)) in v
3.451 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (/ 1 (pow v 2)))) in v
3.451 * [taylor]: Taking taylor expansion of 1.0 in v
3.451 * [taylor]: Taking taylor expansion of (* 5.0 (/ 1 (pow v 2))) in v
3.451 * [taylor]: Taking taylor expansion of 5.0 in v
3.451 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
3.451 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.451 * [taylor]: Taking taylor expansion of v in v
3.452 * [taylor]: Taking taylor expansion of (- (/ 1 (pow v 2)) 1.0) in v
3.452 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
3.452 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.452 * [taylor]: Taking taylor expansion of v in v
3.452 * [taylor]: Taking taylor expansion of 1.0 in v
3.454 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0)) in v
3.454 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (/ 1 (pow v 2)))) in v
3.454 * [taylor]: Taking taylor expansion of 1.0 in v
3.454 * [taylor]: Taking taylor expansion of (* 5.0 (/ 1 (pow v 2))) in v
3.454 * [taylor]: Taking taylor expansion of 5.0 in v
3.454 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
3.454 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.454 * [taylor]: Taking taylor expansion of v in v
3.455 * [taylor]: Taking taylor expansion of (- (/ 1 (pow v 2)) 1.0) in v
3.455 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
3.455 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.455 * [taylor]: Taking taylor expansion of v in v
3.455 * [taylor]: Taking taylor expansion of 1.0 in v
3.480 * * * [progress]: simplifying candidates
3.482 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (log1p (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (/ PI 2)
  (asin (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (log (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (exp (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (* (cbrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))) (cbrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))))
  (cbrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (* (* (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))) (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))) (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (sqrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (sqrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (expm1 (* 5.0 (* v v)))
  (log1p (* 5.0 (* v v)))
  (* 5.0 (* v v))
  (* 5.0 (* v v))
  (+ (log 5.0) (+ (log v) (log v)))
  (+ (log 5.0) (log (* v v)))
  (log (* 5.0 (* v v)))
  (exp (* 5.0 (* v v)))
  (* (* (* 5.0 5.0) 5.0) (* (* (* v v) v) (* (* v v) v)))
  (* (* (* 5.0 5.0) 5.0) (* (* (* v v) (* v v)) (* v v)))
  (* (cbrt (* 5.0 (* v v))) (cbrt (* 5.0 (* v v))))
  (cbrt (* 5.0 (* v v)))
  (* (* (* 5.0 (* v v)) (* 5.0 (* v v))) (* 5.0 (* v v)))
  (sqrt (* 5.0 (* v v)))
  (sqrt (* 5.0 (* v v)))
  (* (sqrt 5.0) v)
  (* (sqrt 5.0) v)
  (* 5.0 v)
  (* (cbrt 5.0) (* v v))
  (* (sqrt 5.0) (* v v))
  (* 5.0 (* v v))
  (expm1 (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (log1p (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (- (log (- 1.0 (* 5.0 (* v v)))) (log (- (* v v) 1.0)))
  (log (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (exp (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (/ (* (* (- 1.0 (* 5.0 (* v v))) (- 1.0 (* 5.0 (* v v)))) (- 1.0 (* 5.0 (* v v)))) (* (* (- (* v v) 1.0) (- (* v v) 1.0)) (- (* v v) 1.0)))
  (* (cbrt (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))) (cbrt (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (cbrt (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (* (* (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)) (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))) (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (sqrt (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (sqrt (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (- (- 1.0 (* 5.0 (* v v))))
  (- (- (* v v) 1.0))
  (/ 1.0 (- (* v v) 1.0))
  (/ (* 5.0 (* v v)) (- (* v v) 1.0))
  (/ (* (cbrt (- 1.0 (* 5.0 (* v v)))) (cbrt (- 1.0 (* 5.0 (* v v))))) (* (cbrt (- (* v v) 1.0)) (cbrt (- (* v v) 1.0))))
  (/ (cbrt (- 1.0 (* 5.0 (* v v)))) (cbrt (- (* v v) 1.0)))
  (/ (* (cbrt (- 1.0 (* 5.0 (* v v)))) (cbrt (- 1.0 (* 5.0 (* v v))))) (sqrt (- (* v v) 1.0)))
  (/ (cbrt (- 1.0 (* 5.0 (* v v)))) (sqrt (- (* v v) 1.0)))
  (/ (* (cbrt (- 1.0 (* 5.0 (* v v)))) (cbrt (- 1.0 (* 5.0 (* v v))))) 1)
  (/ (cbrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0))
  (/ (* (cbrt (- 1.0 (* 5.0 (* v v)))) (cbrt (- 1.0 (* 5.0 (* v v))))) (+ v (sqrt 1.0)))
  (/ (cbrt (- 1.0 (* 5.0 (* v v)))) (- v (sqrt 1.0)))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (* (cbrt (- (* v v) 1.0)) (cbrt (- (* v v) 1.0))))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (cbrt (- (* v v) 1.0)))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (sqrt (- (* v v) 1.0)))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (sqrt (- (* v v) 1.0)))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) 1)
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (+ v (sqrt 1.0)))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- v (sqrt 1.0)))
  (/ 1 (* (cbrt (- (* v v) 1.0)) (cbrt (- (* v v) 1.0))))
  (/ (- 1.0 (* 5.0 (* v v))) (cbrt (- (* v v) 1.0)))
  (/ 1 (sqrt (- (* v v) 1.0)))
  (/ (- 1.0 (* 5.0 (* v v))) (sqrt (- (* v v) 1.0)))
  (/ 1 1)
  (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))
  (/ 1 (+ v (sqrt 1.0)))
  (/ (- 1.0 (* 5.0 (* v v))) (- v (sqrt 1.0)))
  (/ 1 (- (* v v) 1.0))
  (/ (- (* v v) 1.0) (- 1.0 (* 5.0 (* v v))))
  (/ (- 1.0 (* 5.0 (* v v))) (* (cbrt (- (* v v) 1.0)) (cbrt (- (* v v) 1.0))))
  (/ (- 1.0 (* 5.0 (* v v))) (sqrt (- (* v v) 1.0)))
  (/ (- 1.0 (* 5.0 (* v v))) 1)
  (/ (- 1.0 (* 5.0 (* v v))) (+ v (sqrt 1.0)))
  (/ (- (* v v) 1.0) (cbrt (- 1.0 (* 5.0 (* v v)))))
  (/ (- (* v v) 1.0) (sqrt (- 1.0 (* 5.0 (* v v)))))
  (/ (- (* v v) 1.0) (- 1.0 (* 5.0 (* v v))))
  (/ (- 1.0 (* 5.0 (* v v))) (- (pow (* v v) 3) (pow 1.0 3)))
  (/ (- 1.0 (* 5.0 (* v v))) (- (* (* v v) (* v v)) (* 1.0 1.0)))
  (* (- (* v v) 1.0) (+ (* 1.0 1.0) (+ (* (* 5.0 (* v v)) (* 5.0 (* v v))) (* 1.0 (* 5.0 (* v v))))))
  (* (- (* v v) 1.0) (+ 1.0 (* 5.0 (* v v))))
  (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)))
  (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)))
  (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)))
  (* 5.0 (pow v 2))
  (* 5.0 (pow v 2))
  (* 5.0 (pow v 2))
  (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)
  (- (+ (* 4.0 (/ 1 (pow v 2))) (+ (* 4.0 (/ 1 (pow v 4))) 5.0)))
  (- (+ (* 4.0 (/ 1 (pow v 2))) (+ (* 4.0 (/ 1 (pow v 4))) 5.0)))
3.485 * * [simplify]: iteration  0 :  145  enodes  (cost  1268 )
3.516 * * [simplify]: iteration  1 :  345  enodes  (cost  1223 )
3.616 * * [simplify]: iteration  2 :  1043  enodes  (cost  1120 )
4.345 * * [simplify]: iteration  3 :  3930  enodes  (cost  1118 )
5.202 * * [simplify]: iteration  done :  5000  enodes  (cost  1116 )
5.203 * [simplify]: Simplified to:
   (expm1 (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (log1p (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (/ PI 2)
  (asin (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (log (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (exp (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (* (cbrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))) (cbrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))))
  (cbrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (pow (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))) 3)
  (sqrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (sqrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (expm1 (* 5.0 (* v v)))
  (log1p (* 5.0 (* v v)))
  (* (* v v) 5.0)
  (* (* v v) 5.0)
  (log (* 5.0 (* v v)))
  (log (* 5.0 (* v v)))
  (log (* 5.0 (* v v)))
  (exp (* 5.0 (* v v)))
  (pow (* 5.0 (* v v)) 3)
  (pow (* 5.0 (* v v)) 3)
  (* (cbrt (* 5.0 (* v v))) (cbrt (* 5.0 (* v v))))
  (cbrt (* 5.0 (* v v)))
  (pow (* 5.0 (* v v)) 3)
  (sqrt (* 5.0 (* v v)))
  (sqrt (* 5.0 (* v v)))
  (* (sqrt 5.0) v)
  (* (sqrt 5.0) v)
  (* 5.0 v)
  (* (cbrt 5.0) (* v v))
  (* (sqrt 5.0) (* v v))
  (* (* v v) 5.0)
  (expm1 (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (log1p (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (log (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (log (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (exp (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (pow (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)) 3)
  (* (cbrt (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))) (cbrt (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (cbrt (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (pow (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)) 3)
  (sqrt (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (sqrt (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (- (* (* v v) 5.0) 1.0)
  (- 1.0 (pow v 2))
  (/ 1.0 (- (* v v) 1.0))
  (/ 5.0 (- 1 (/ 1.0 (* v v))))
  (/ (* (cbrt (- 1.0 (* 5.0 (* v v)))) (cbrt (- 1.0 (* 5.0 (* v v))))) (* (cbrt (- (* v v) 1.0)) (cbrt (- (* v v) 1.0))))
  (/ (cbrt (- 1.0 (* 5.0 (* v v)))) (cbrt (- (* v v) 1.0)))
  (/ (* (cbrt (- 1.0 (* 5.0 (* v v)))) (cbrt (- 1.0 (* 5.0 (* v v))))) (sqrt (- (* v v) 1.0)))
  (/ (cbrt (- 1.0 (* 5.0 (* v v)))) (sqrt (- (* v v) 1.0)))
  (* (cbrt (- 1.0 (* 5.0 (* v v)))) (cbrt (- 1.0 (* 5.0 (* v v)))))
  (/ (cbrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0))
  (/ (* (cbrt (- 1.0 (* 5.0 (* v v)))) (cbrt (- 1.0 (* 5.0 (* v v))))) (+ v (sqrt 1.0)))
  (/ (cbrt (- 1.0 (* 5.0 (* v v)))) (- v (sqrt 1.0)))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (* (cbrt (- (* v v) 1.0)) (cbrt (- (* v v) 1.0))))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (cbrt (- (* v v) 1.0)))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (sqrt (- (* v v) 1.0)))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (sqrt (- (* v v) 1.0)))
  (sqrt (- 1.0 (* 5.0 (* v v))))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (+ v (sqrt 1.0)))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- v (sqrt 1.0)))
  (/ 1 (* (cbrt (- (* v v) 1.0)) (cbrt (- (* v v) 1.0))))
  (/ (- 1.0 (* 5.0 (* v v))) (cbrt (- (* v v) 1.0)))
  (/ 1 (sqrt (- (* v v) 1.0)))
  (/ (- 1.0 (* 5.0 (* v v))) (sqrt (- (* v v) 1.0)))
  1
  (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))
  (/ 1 (+ v (sqrt 1.0)))
  (/ (- 1.0 (* 5.0 (* v v))) (- v (sqrt 1.0)))
  (/ 1 (- (* v v) 1.0))
  (/ (- (* v v) 1.0) (- 1.0 (* 5.0 (* v v))))
  (/ (- 1.0 (* 5.0 (* v v))) (* (cbrt (- (* v v) 1.0)) (cbrt (- (* v v) 1.0))))
  (/ (- 1.0 (* 5.0 (* v v))) (sqrt (- (* v v) 1.0)))
  (- 1.0 (* 5.0 (* v v)))
  (/ (- 1.0 (* 5.0 (* v v))) (+ v (sqrt 1.0)))
  (/ (- (* v v) 1.0) (cbrt (- 1.0 (* 5.0 (* v v)))))
  (/ (- (* v v) 1.0) (sqrt (- 1.0 (* 5.0 (* v v)))))
  (/ (- (* v v) 1.0) (- 1.0 (* 5.0 (* v v))))
  (/ (- 1.0 (* 5.0 (* v v))) (- (pow v 6) (pow 1.0 3)))
  (/ (- 1.0 (* 5.0 (* v v))) (- (pow v 4) (* 1.0 1.0)))
  (* (fma (* 5.0 (* v v)) (fma (* 5.0 v) v 1.0) (* 1.0 1.0)) (- (* v v) 1.0))
  (* (- (* v v) 1.0) (fma (* 5.0 v) v 1.0))
  (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)))
  (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)))
  (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)))
  (* (* v v) 5.0)
  (* (* v v) 5.0)
  (* (* v v) 5.0)
  (- (* 4.0 (fma v v (pow v 4))) 1.0)
  (- (- (/ 4.0 (* v v))) (+ (/ 4.0 (pow v 4)) 5.0))
  (- (- (/ 4.0 (* v v))) (+ (/ 4.0 (pow v 4)) 5.0))
5.203 * * * [progress]: adding candidates to table
5.375 * * [progress]: iteration 2 / 4
5.375 * * * [progress]: picking best candidate
5.383 * * * * [pick]: Picked  #<alt (λ (v) (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0)))))>
5.383 * * * [progress]: localizing error
5.393 * * * [progress]: generating rewritten candidates
5.393 * * * * [progress]: [ 1 / 4 ] rewriting at (2)
5.393 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1 2 1 1 2)
5.400 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 1 1 2)
5.406 * * * * [progress]: [ 4 / 4 ] rewriting at (2 1 2 1)
5.411 * * * [progress]: generating series expansions
5.411 * * * * [progress]: [ 1 / 4 ] generating series at (2)
5.412 * [approximate]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))) in (v) around 0
5.412 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))) in v
5.412 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))) in v
5.413 * [approximate]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in (v) around 0
5.413 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in v
5.413 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in v
5.414 * [approximate]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in (v) around 0
5.414 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in v
5.414 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in v
5.415 * * * * [progress]: [ 2 / 4 ] generating series at (2 1 2 1 1 2)
5.415 * [approximate]: Taking taylor expansion of (* 5.0 (pow v 2)) in (v) around 0
5.415 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
5.415 * [taylor]: Taking taylor expansion of 5.0 in v
5.415 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.415 * [taylor]: Taking taylor expansion of v in v
5.415 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
5.415 * [taylor]: Taking taylor expansion of 5.0 in v
5.415 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.415 * [taylor]: Taking taylor expansion of v in v
5.424 * [approximate]: Taking taylor expansion of (/ 5.0 (pow v 2)) in (v) around 0
5.424 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
5.424 * [taylor]: Taking taylor expansion of 5.0 in v
5.424 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.424 * [taylor]: Taking taylor expansion of v in v
5.424 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
5.425 * [taylor]: Taking taylor expansion of 5.0 in v
5.425 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.425 * [taylor]: Taking taylor expansion of v in v
5.432 * [approximate]: Taking taylor expansion of (/ 5.0 (pow v 2)) in (v) around 0
5.432 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
5.432 * [taylor]: Taking taylor expansion of 5.0 in v
5.432 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.432 * [taylor]: Taking taylor expansion of v in v
5.433 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
5.433 * [taylor]: Taking taylor expansion of 5.0 in v
5.433 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.433 * [taylor]: Taking taylor expansion of v in v
5.440 * * * * [progress]: [ 3 / 4 ] generating series at (2 1 1 1 2)
5.440 * [approximate]: Taking taylor expansion of (* 5.0 (pow v 2)) in (v) around 0
5.440 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
5.440 * [taylor]: Taking taylor expansion of 5.0 in v
5.440 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.440 * [taylor]: Taking taylor expansion of v in v
5.440 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
5.440 * [taylor]: Taking taylor expansion of 5.0 in v
5.440 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.440 * [taylor]: Taking taylor expansion of v in v
5.448 * [approximate]: Taking taylor expansion of (/ 5.0 (pow v 2)) in (v) around 0
5.448 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
5.448 * [taylor]: Taking taylor expansion of 5.0 in v
5.448 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.448 * [taylor]: Taking taylor expansion of v in v
5.449 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
5.449 * [taylor]: Taking taylor expansion of 5.0 in v
5.449 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.449 * [taylor]: Taking taylor expansion of v in v
5.457 * [approximate]: Taking taylor expansion of (/ 5.0 (pow v 2)) in (v) around 0
5.457 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
5.457 * [taylor]: Taking taylor expansion of 5.0 in v
5.457 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.457 * [taylor]: Taking taylor expansion of v in v
5.457 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
5.457 * [taylor]: Taking taylor expansion of 5.0 in v
5.457 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.457 * [taylor]: Taking taylor expansion of v in v
5.467 * * * * [progress]: [ 4 / 4 ] generating series at (2 1 2 1)
5.467 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (* 5.0 (pow v 2)))) in (v) around 0
5.467 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (* 5.0 (pow v 2)))) in v
5.467 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (pow v 2))) in v
5.468 * [taylor]: Taking taylor expansion of 1.0 in v
5.468 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
5.468 * [taylor]: Taking taylor expansion of 5.0 in v
5.468 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.468 * [taylor]: Taking taylor expansion of v in v
5.469 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (* 5.0 (pow v 2)))) in v
5.469 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (pow v 2))) in v
5.469 * [taylor]: Taking taylor expansion of 1.0 in v
5.469 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
5.469 * [taylor]: Taking taylor expansion of 5.0 in v
5.469 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.469 * [taylor]: Taking taylor expansion of v in v
5.485 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (* 5.0 (/ 1 (pow v 2))))) in (v) around 0
5.485 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (* 5.0 (/ 1 (pow v 2))))) in v
5.485 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (/ 1 (pow v 2)))) in v
5.485 * [taylor]: Taking taylor expansion of 1.0 in v
5.485 * [taylor]: Taking taylor expansion of (* 5.0 (/ 1 (pow v 2))) in v
5.485 * [taylor]: Taking taylor expansion of 5.0 in v
5.485 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
5.485 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.485 * [taylor]: Taking taylor expansion of v in v
5.489 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (* 5.0 (/ 1 (pow v 2))))) in v
5.489 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (/ 1 (pow v 2)))) in v
5.489 * [taylor]: Taking taylor expansion of 1.0 in v
5.489 * [taylor]: Taking taylor expansion of (* 5.0 (/ 1 (pow v 2))) in v
5.489 * [taylor]: Taking taylor expansion of 5.0 in v
5.489 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
5.489 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.489 * [taylor]: Taking taylor expansion of v in v
5.514 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (* 5.0 (/ 1 (pow v 2))))) in (v) around 0
5.514 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (* 5.0 (/ 1 (pow v 2))))) in v
5.514 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (/ 1 (pow v 2)))) in v
5.514 * [taylor]: Taking taylor expansion of 1.0 in v
5.514 * [taylor]: Taking taylor expansion of (* 5.0 (/ 1 (pow v 2))) in v
5.514 * [taylor]: Taking taylor expansion of 5.0 in v
5.514 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
5.514 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.514 * [taylor]: Taking taylor expansion of v in v
5.518 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (* 5.0 (/ 1 (pow v 2))))) in v
5.518 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (/ 1 (pow v 2)))) in v
5.518 * [taylor]: Taking taylor expansion of 1.0 in v
5.518 * [taylor]: Taking taylor expansion of (* 5.0 (/ 1 (pow v 2))) in v
5.518 * [taylor]: Taking taylor expansion of 5.0 in v
5.519 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
5.519 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.519 * [taylor]: Taking taylor expansion of v in v
5.545 * * * [progress]: simplifying candidates
5.546 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0)))))
  (log1p (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0)))))
  (/ PI 2)
  (asin (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0))))
  (log (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0)))))
  (exp (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0)))))
  (* (cbrt (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0))))) (cbrt (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0))))))
  (cbrt (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0)))))
  (* (* (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0)))) (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0))))) (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0)))))
  (sqrt (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0)))))
  (sqrt (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0)))))
  (expm1 (* 5.0 (* v v)))
  (log1p (* 5.0 (* v v)))
  (* 5.0 (* v v))
  (* 5.0 (* v v))
  (+ (log 5.0) (+ (log v) (log v)))
  (+ (log 5.0) (log (* v v)))
  (log (* 5.0 (* v v)))
  (exp (* 5.0 (* v v)))
  (* (* (* 5.0 5.0) 5.0) (* (* (* v v) v) (* (* v v) v)))
  (* (* (* 5.0 5.0) 5.0) (* (* (* v v) (* v v)) (* v v)))
  (* (cbrt (* 5.0 (* v v))) (cbrt (* 5.0 (* v v))))
  (cbrt (* 5.0 (* v v)))
  (* (* (* 5.0 (* v v)) (* 5.0 (* v v))) (* 5.0 (* v v)))
  (sqrt (* 5.0 (* v v)))
  (sqrt (* 5.0 (* v v)))
  (* (sqrt 5.0) v)
  (* (sqrt 5.0) v)
  (* 5.0 v)
  (* (cbrt 5.0) (* v v))
  (* (sqrt 5.0) (* v v))
  (* 5.0 (* v v))
  (expm1 (* 5.0 (* v v)))
  (log1p (* 5.0 (* v v)))
  (* 5.0 (* v v))
  (* 5.0 (* v v))
  (+ (log 5.0) (+ (log v) (log v)))
  (+ (log 5.0) (log (* v v)))
  (log (* 5.0 (* v v)))
  (exp (* 5.0 (* v v)))
  (* (* (* 5.0 5.0) 5.0) (* (* (* v v) v) (* (* v v) v)))
  (* (* (* 5.0 5.0) 5.0) (* (* (* v v) (* v v)) (* v v)))
  (* (cbrt (* 5.0 (* v v))) (cbrt (* 5.0 (* v v))))
  (cbrt (* 5.0 (* v v)))
  (* (* (* 5.0 (* v v)) (* 5.0 (* v v))) (* 5.0 (* v v)))
  (sqrt (* 5.0 (* v v)))
  (sqrt (* 5.0 (* v v)))
  (* (sqrt 5.0) v)
  (* (sqrt 5.0) v)
  (* 5.0 v)
  (* (cbrt 5.0) (* v v))
  (* (sqrt 5.0) (* v v))
  (* 5.0 (* v v))
  (expm1 (sqrt (- 1.0 (* 5.0 (* v v)))))
  (log1p (sqrt (- 1.0 (* 5.0 (* v v)))))
  (log (sqrt (- 1.0 (* 5.0 (* v v)))))
  (exp (sqrt (- 1.0 (* 5.0 (* v v)))))
  (* (cbrt (sqrt (- 1.0 (* 5.0 (* v v))))) (cbrt (sqrt (- 1.0 (* 5.0 (* v v))))))
  (cbrt (sqrt (- 1.0 (* 5.0 (* v v)))))
  (* (* (sqrt (- 1.0 (* 5.0 (* v v)))) (sqrt (- 1.0 (* 5.0 (* v v))))) (sqrt (- 1.0 (* 5.0 (* v v)))))
  (sqrt (* (cbrt (- 1.0 (* 5.0 (* v v)))) (cbrt (- 1.0 (* 5.0 (* v v))))))
  (sqrt (cbrt (- 1.0 (* 5.0 (* v v)))))
  (sqrt (sqrt (- 1.0 (* 5.0 (* v v)))))
  (sqrt (sqrt (- 1.0 (* 5.0 (* v v)))))
  (sqrt 1)
  (sqrt (- 1.0 (* 5.0 (* v v))))
  (sqrt (- (pow 1.0 3) (pow (* 5.0 (* v v)) 3)))
  (sqrt (+ (* 1.0 1.0) (+ (* (* 5.0 (* v v)) (* 5.0 (* v v))) (* 1.0 (* 5.0 (* v v))))))
  (sqrt (- (* 1.0 1.0) (* (* 5.0 (* v v)) (* 5.0 (* v v)))))
  (sqrt (+ 1.0 (* 5.0 (* v v))))
  (/ 1 2)
  (sqrt (sqrt (- 1.0 (* 5.0 (* v v)))))
  (sqrt (sqrt (- 1.0 (* 5.0 (* v v)))))
  (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)))
  (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)))
  (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)))
  (* 5.0 (pow v 2))
  (* 5.0 (pow v 2))
  (* 5.0 (pow v 2))
  (* 5.0 (pow v 2))
  (* 5.0 (pow v 2))
  (* 5.0 (pow v 2))
  (- (sqrt 1.0) (+ (* 2.5 (/ (pow v 2) (sqrt 1.0))) (* 3.125 (/ (pow v 4) (pow (sqrt 1.0) 3)))))
  (- (+ (* v (sqrt (- 5.0))) (* 0.5 (/ 1 (* v (sqrt (- 5.0)))))) (* 0.125 (/ 1 (* (pow v 3) (pow (sqrt (- 5.0)) 3)))))
  (- (* 0.125 (/ 1 (* (pow v 3) (pow (sqrt (- 5.0)) 3)))) (+ (* v (sqrt (- 5.0))) (* 0.5 (/ 1 (* v (sqrt (- 5.0)))))))
5.550 * * [simplify]: iteration  0 :  116  enodes  (cost  1023 )
5.569 * * [simplify]: iteration  1 :  259  enodes  (cost  815 )
5.632 * * [simplify]: iteration  2 :  756  enodes  (cost  747 )
6.122 * * [simplify]: iteration  3 :  3265  enodes  (cost  747 )
6.981 * * [simplify]: iteration  done :  5000  enodes  (cost  747 )
6.981 * [simplify]: Simplified to:
   (expm1 (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))))
  (log1p (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))))
  (/ PI 2)
  (asin (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)))
  (log (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))))
  (exp (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))))
  (* (cbrt (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)))) (cbrt (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)))))
  (cbrt (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))))
  (pow (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))) 3)
  (sqrt (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))))
  (sqrt (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))))
  (expm1 (* 5.0 (* v v)))
  (log1p (* 5.0 (* v v)))
  (* 5.0 (* v v))
  (* 5.0 (* v v))
  (log (* 5.0 (* v v)))
  (log (* 5.0 (* v v)))
  (log (* 5.0 (* v v)))
  (exp (* 5.0 (* v v)))
  (pow (* 5.0 (pow v 2)) 3)
  (pow (* 5.0 (pow v 2)) 3)
  (* (cbrt (* 5.0 (* v v))) (cbrt (* 5.0 (* v v))))
  (cbrt (* 5.0 (* v v)))
  (pow (* 5.0 (pow v 2)) 3)
  (sqrt (* 5.0 (* v v)))
  (sqrt (* 5.0 (* v v)))
  (* (sqrt 5.0) v)
  (* (sqrt 5.0) v)
  (* 5.0 v)
  (* (cbrt 5.0) (* v v))
  (* (sqrt 5.0) (* v v))
  (* 5.0 (* v v))
  (expm1 (* 5.0 (* v v)))
  (log1p (* 5.0 (* v v)))
  (* 5.0 (* v v))
  (* 5.0 (* v v))
  (log (* 5.0 (* v v)))
  (log (* 5.0 (* v v)))
  (log (* 5.0 (* v v)))
  (exp (* 5.0 (* v v)))
  (pow (* 5.0 (pow v 2)) 3)
  (pow (* 5.0 (pow v 2)) 3)
  (* (cbrt (* 5.0 (* v v))) (cbrt (* 5.0 (* v v))))
  (cbrt (* 5.0 (* v v)))
  (pow (* 5.0 (pow v 2)) 3)
  (sqrt (* 5.0 (* v v)))
  (sqrt (* 5.0 (* v v)))
  (* (sqrt 5.0) v)
  (* (sqrt 5.0) v)
  (* 5.0 v)
  (* (cbrt 5.0) (* v v))
  (* (sqrt 5.0) (* v v))
  (* 5.0 (* v v))
  (expm1 (sqrt (- 1.0 (* 5.0 (* v v)))))
  (log1p (sqrt (- 1.0 (* 5.0 (* v v)))))
  (log (sqrt (- 1.0 (* 5.0 (* v v)))))
  (exp (sqrt (- 1.0 (* 5.0 (* v v)))))
  (* (cbrt (sqrt (- 1.0 (* 5.0 (* v v))))) (cbrt (sqrt (- 1.0 (* 5.0 (* v v))))))
  (cbrt (sqrt (- 1.0 (* 5.0 (* v v)))))
  (pow (sqrt (- 1.0 (* 5.0 (* v v)))) 3)
  (fabs (cbrt (- 1.0 (* 5.0 (* v v)))))
  (sqrt (cbrt (- 1.0 (* 5.0 (* v v)))))
  (sqrt (sqrt (- 1.0 (* 5.0 (* v v)))))
  (sqrt (sqrt (- 1.0 (* 5.0 (* v v)))))
  1
  (sqrt (- 1.0 (* 5.0 (* v v))))
  (sqrt (- (pow 1.0 3) (pow (* 5.0 (* v v)) 3)))
  (sqrt (fma (* 5.0 (* v v)) (fma (* v v) 5.0 1.0) (* 1.0 1.0)))
  (sqrt (- (* 1.0 1.0) (* (* 5.0 5.0) (pow v 4))))
  (sqrt (fma (* v v) 5.0 1.0))
  1/2
  (sqrt (sqrt (- 1.0 (* 5.0 (* v v)))))
  (sqrt (sqrt (- 1.0 (* 5.0 (* v v)))))
  (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)))
  (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)))
  (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)))
  (* 5.0 (* v v))
  (* 5.0 (* v v))
  (* 5.0 (* v v))
  (* 5.0 (* v v))
  (* 5.0 (* v v))
  (* 5.0 (* v v))
  (- (sqrt 1.0) (fma 2.5 (/ (pow v 2) (sqrt 1.0)) (* 3.125 (/ (pow v 4) (pow (sqrt 1.0) 3)))))
  (fma (sqrt (- 5.0)) v (- (/ 0.5 (* v (sqrt (- 5.0)))) (/ 0.125 (* (pow v 3) (pow (sqrt (- 5.0)) 3)))))
  (- (/ 0.125 (* (pow v 3) (pow (sqrt (- 5.0)) 3))) (fma (sqrt (- 5.0)) v (/ 0.5 (* v (sqrt (- 5.0))))))
6.982 * * * [progress]: adding candidates to table
7.178 * * [progress]: iteration 3 / 4
7.178 * * * [progress]: picking best candidate
7.182 * * * * [pick]: Picked  #<alt (λ (v) (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))>
7.182 * * * [progress]: localizing error
7.189 * * * [progress]: generating rewritten candidates
7.189 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
7.190 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1 1)
7.194 * * * [progress]: generating series expansions
7.194 * * * * [progress]: [ 1 / 2 ] generating series at (2)
7.194 * [approximate]: Taking taylor expansion of (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)) in (v) around 0
7.194 * [taylor]: Taking taylor expansion of (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)) in v
7.194 * [taylor]: Taking taylor expansion of (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)) in v
7.195 * [approximate]: Taking taylor expansion of (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0)) in (v) around 0
7.195 * [taylor]: Taking taylor expansion of (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0)) in v
7.195 * [taylor]: Taking taylor expansion of (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0)) in v
7.196 * [approximate]: Taking taylor expansion of (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0)) in (v) around 0
7.196 * [taylor]: Taking taylor expansion of (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0)) in v
7.196 * [taylor]: Taking taylor expansion of (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0)) in v
7.196 * * * * [progress]: [ 2 / 2 ] generating series at (2 1 1)
7.197 * [approximate]: Taking taylor expansion of (* 4.0 (fma v v (pow v 4))) in (v) around 0
7.197 * [taylor]: Taking taylor expansion of (* 4.0 (fma v v (pow v 4))) in v
7.197 * [taylor]: Taking taylor expansion of 4.0 in v
7.197 * [taylor]: Taking taylor expansion of (fma v v (pow v 4)) in v
7.197 * [taylor]: Rewrote expression to (+ (* v v) (pow v 4))
7.197 * [taylor]: Taking taylor expansion of (* v v) in v
7.197 * [taylor]: Taking taylor expansion of v in v
7.197 * [taylor]: Taking taylor expansion of v in v
7.197 * [taylor]: Taking taylor expansion of (pow v 4) in v
7.197 * [taylor]: Taking taylor expansion of v in v
7.197 * [taylor]: Taking taylor expansion of (* 4.0 (fma v v (pow v 4))) in v
7.197 * [taylor]: Taking taylor expansion of 4.0 in v
7.197 * [taylor]: Taking taylor expansion of (fma v v (pow v 4)) in v
7.197 * [taylor]: Rewrote expression to (+ (* v v) (pow v 4))
7.197 * [taylor]: Taking taylor expansion of (* v v) in v
7.197 * [taylor]: Taking taylor expansion of v in v
7.197 * [taylor]: Taking taylor expansion of v in v
7.197 * [taylor]: Taking taylor expansion of (pow v 4) in v
7.197 * [taylor]: Taking taylor expansion of v in v
7.225 * [approximate]: Taking taylor expansion of (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) in (v) around 0
7.225 * [taylor]: Taking taylor expansion of (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) in v
7.225 * [taylor]: Taking taylor expansion of 4.0 in v
7.225 * [taylor]: Taking taylor expansion of (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4)) in v
7.225 * [taylor]: Rewrote expression to (+ (* (/ 1 v) (/ 1 v)) (pow (/ 1 v) 4))
7.225 * [taylor]: Taking taylor expansion of (* (/ 1 v) (/ 1 v)) in v
7.225 * [taylor]: Taking taylor expansion of (/ 1 v) in v
7.225 * [taylor]: Taking taylor expansion of v in v
7.225 * [taylor]: Taking taylor expansion of (/ 1 v) in v
7.225 * [taylor]: Taking taylor expansion of v in v
7.226 * [taylor]: Taking taylor expansion of (pow (/ 1 v) 4) in v
7.226 * [taylor]: Taking taylor expansion of (/ 1 v) in v
7.226 * [taylor]: Taking taylor expansion of v in v
7.226 * [taylor]: Taking taylor expansion of (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) in v
7.226 * [taylor]: Taking taylor expansion of 4.0 in v
7.226 * [taylor]: Taking taylor expansion of (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4)) in v
7.226 * [taylor]: Rewrote expression to (+ (* (/ 1 v) (/ 1 v)) (pow (/ 1 v) 4))
7.226 * [taylor]: Taking taylor expansion of (* (/ 1 v) (/ 1 v)) in v
7.226 * [taylor]: Taking taylor expansion of (/ 1 v) in v
7.226 * [taylor]: Taking taylor expansion of v in v
7.226 * [taylor]: Taking taylor expansion of (/ 1 v) in v
7.227 * [taylor]: Taking taylor expansion of v in v
7.227 * [taylor]: Taking taylor expansion of (pow (/ 1 v) 4) in v
7.227 * [taylor]: Taking taylor expansion of (/ 1 v) in v
7.227 * [taylor]: Taking taylor expansion of v in v
7.263 * [approximate]: Taking taylor expansion of (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) in (v) around 0
7.263 * [taylor]: Taking taylor expansion of (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) in v
7.263 * [taylor]: Taking taylor expansion of 4.0 in v
7.263 * [taylor]: Taking taylor expansion of (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4)) in v
7.263 * [taylor]: Rewrote expression to (+ (* (/ -1 v) (/ -1 v)) (pow (/ -1 v) 4))
7.263 * [taylor]: Taking taylor expansion of (* (/ -1 v) (/ -1 v)) in v
7.263 * [taylor]: Taking taylor expansion of (/ -1 v) in v
7.263 * [taylor]: Taking taylor expansion of -1 in v
7.263 * [taylor]: Taking taylor expansion of v in v
7.264 * [taylor]: Taking taylor expansion of (/ -1 v) in v
7.264 * [taylor]: Taking taylor expansion of -1 in v
7.264 * [taylor]: Taking taylor expansion of v in v
7.264 * [taylor]: Taking taylor expansion of (pow (/ -1 v) 4) in v
7.264 * [taylor]: Taking taylor expansion of (/ -1 v) in v
7.264 * [taylor]: Taking taylor expansion of -1 in v
7.264 * [taylor]: Taking taylor expansion of v in v
7.264 * [taylor]: Taking taylor expansion of (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) in v
7.264 * [taylor]: Taking taylor expansion of 4.0 in v
7.264 * [taylor]: Taking taylor expansion of (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4)) in v
7.265 * [taylor]: Rewrote expression to (+ (* (/ -1 v) (/ -1 v)) (pow (/ -1 v) 4))
7.265 * [taylor]: Taking taylor expansion of (* (/ -1 v) (/ -1 v)) in v
7.265 * [taylor]: Taking taylor expansion of (/ -1 v) in v
7.265 * [taylor]: Taking taylor expansion of -1 in v
7.265 * [taylor]: Taking taylor expansion of v in v
7.265 * [taylor]: Taking taylor expansion of (/ -1 v) in v
7.265 * [taylor]: Taking taylor expansion of -1 in v
7.265 * [taylor]: Taking taylor expansion of v in v
7.265 * [taylor]: Taking taylor expansion of (pow (/ -1 v) 4) in v
7.265 * [taylor]: Taking taylor expansion of (/ -1 v) in v
7.265 * [taylor]: Taking taylor expansion of -1 in v
7.265 * [taylor]: Taking taylor expansion of v in v
7.300 * * * [progress]: simplifying candidates
7.300 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (/ PI 2)
  (asin (- (* 4.0 (fma v v (pow v 4))) 1.0))
  (log (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (exp (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (* (cbrt (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))) (cbrt (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))
  (cbrt (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (* (* (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)) (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))) (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (expm1 (* 4.0 (fma v v (pow v 4))))
  (log1p (* 4.0 (fma v v (pow v 4))))
  (* 4.0 (fma v v (pow v 4)))
  (+ (log 4.0) (log (fma v v (pow v 4))))
  (log (* 4.0 (fma v v (pow v 4))))
  (exp (* 4.0 (fma v v (pow v 4))))
  (* (* (* 4.0 4.0) 4.0) (* (* (fma v v (pow v 4)) (fma v v (pow v 4))) (fma v v (pow v 4))))
  (* (cbrt (* 4.0 (fma v v (pow v 4)))) (cbrt (* 4.0 (fma v v (pow v 4)))))
  (cbrt (* 4.0 (fma v v (pow v 4))))
  (* (* (* 4.0 (fma v v (pow v 4))) (* 4.0 (fma v v (pow v 4)))) (* 4.0 (fma v v (pow v 4))))
  (sqrt (* 4.0 (fma v v (pow v 4))))
  (sqrt (* 4.0 (fma v v (pow v 4))))
  (* (sqrt 4.0) (sqrt (fma v v (pow v 4))))
  (* (sqrt 4.0) (sqrt (fma v v (pow v 4))))
  (* 4.0 (* v v))
  (* 4.0 (pow v 4))
  (* (* v v) 4.0)
  (* (pow v 4) 4.0)
  (* 4.0 (* (cbrt (fma v v (pow v 4))) (cbrt (fma v v (pow v 4)))))
  (* 4.0 (sqrt (fma v v (pow v 4))))
  (* 4.0 1)
  (* (cbrt 4.0) (fma v v (pow v 4)))
  (* (sqrt 4.0) (fma v v (pow v 4)))
  (* 4.0 (fma v v (pow v 4)))
  (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))
  (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))
  (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))
  (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4)))
  (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4)))
  (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4)))
7.302 * * [simplify]: iteration  0 :  59  enodes  (cost  471 )
7.314 * * [simplify]: iteration  1 :  107  enodes  (cost  459 )
7.332 * * [simplify]: iteration  2 :  273  enodes  (cost  399 )
7.441 * * [simplify]: iteration  3 :  979  enodes  (cost  399 )
9.146 * * [simplify]: iteration  done :  5000  enodes  (cost  399 )
9.146 * [simplify]: Simplified to:
   (expm1 (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (/ PI 2)
  (asin (- (* 4.0 (fma v v (pow v 4))) 1.0))
  (log (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (exp (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (* (cbrt (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))) (cbrt (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))
  (cbrt (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (pow (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)) 3)
  (sqrt (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (expm1 (* 4.0 (fma v v (pow v 4))))
  (log1p (* 4.0 (fma v v (pow v 4))))
  (* 4.0 (fma v v (pow v 4)))
  (log (* 4.0 (fma v v (pow v 4))))
  (log (* 4.0 (fma v v (pow v 4))))
  (exp (* 4.0 (fma v v (pow v 4))))
  (pow (* 4.0 (fma v v (pow v 4))) 3)
  (* (cbrt (* 4.0 (fma v v (pow v 4)))) (cbrt (* 4.0 (fma v v (pow v 4)))))
  (cbrt (* 4.0 (fma v v (pow v 4))))
  (pow (* 4.0 (fma v v (pow v 4))) 3)
  (sqrt (* 4.0 (fma v v (pow v 4))))
  (sqrt (* 4.0 (fma v v (pow v 4))))
  (* (hypot v (* v v)) (sqrt 4.0))
  (* (hypot v (* v v)) (sqrt 4.0))
  (* 4.0 (* v v))
  (* (pow v 4) 4.0)
  (* 4.0 (* v v))
  (* (pow v 4) 4.0)
  (* 4.0 (* (cbrt (fma v v (pow v 4))) (cbrt (fma v v (pow v 4)))))
  (* (hypot v (* v v)) 4.0)
  4.0
  (* (cbrt 4.0) (fma v v (pow v 4)))
  (* (sqrt 4.0) (fma v v (pow v 4)))
  (* 4.0 (fma v v (pow v 4)))
  (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))
  (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))
  (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))
  (* 4.0 (fma v v (pow v 4)))
  (* 4.0 (fma v v (pow v 4)))
  (* 4.0 (fma v v (pow v 4)))
9.146 * * * [progress]: adding candidates to table
9.225 * * [progress]: iteration 4 / 4
9.225 * * * [progress]: picking best candidate
9.230 * * * * [pick]: Picked  #<alt (λ (v) (expm1 (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))))>
9.230 * * * [progress]: localizing error
9.241 * * * [progress]: generating rewritten candidates
9.241 * * * * [progress]: [ 1 / 4 ] rewriting at (2 1 1)
9.242 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1 1 1 1)
9.245 * * * * [progress]: [ 3 / 4 ] rewriting at (2)
9.245 * * * * [progress]: [ 4 / 4 ] rewriting at (2 1)
9.246 * * * [progress]: generating series expansions
9.246 * * * * [progress]: [ 1 / 4 ] generating series at (2 1 1)
9.247 * [approximate]: Taking taylor expansion of (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)) in (v) around 0
9.247 * [taylor]: Taking taylor expansion of (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)) in v
9.247 * [taylor]: Taking taylor expansion of (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)) in v
9.247 * [approximate]: Taking taylor expansion of (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0)) in (v) around 0
9.247 * [taylor]: Taking taylor expansion of (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0)) in v
9.248 * [taylor]: Taking taylor expansion of (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0)) in v
9.248 * [approximate]: Taking taylor expansion of (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0)) in (v) around 0
9.248 * [taylor]: Taking taylor expansion of (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0)) in v
9.248 * [taylor]: Taking taylor expansion of (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0)) in v
9.249 * * * * [progress]: [ 2 / 4 ] generating series at (2 1 1 1 1)
9.249 * [approximate]: Taking taylor expansion of (* 4.0 (fma v v (pow v 4))) in (v) around 0
9.249 * [taylor]: Taking taylor expansion of (* 4.0 (fma v v (pow v 4))) in v
9.249 * [taylor]: Taking taylor expansion of 4.0 in v
9.249 * [taylor]: Taking taylor expansion of (fma v v (pow v 4)) in v
9.249 * [taylor]: Rewrote expression to (+ (* v v) (pow v 4))
9.249 * [taylor]: Taking taylor expansion of (* v v) in v
9.249 * [taylor]: Taking taylor expansion of v in v
9.249 * [taylor]: Taking taylor expansion of v in v
9.249 * [taylor]: Taking taylor expansion of (pow v 4) in v
9.249 * [taylor]: Taking taylor expansion of v in v
9.249 * [taylor]: Taking taylor expansion of (* 4.0 (fma v v (pow v 4))) in v
9.249 * [taylor]: Taking taylor expansion of 4.0 in v
9.249 * [taylor]: Taking taylor expansion of (fma v v (pow v 4)) in v
9.250 * [taylor]: Rewrote expression to (+ (* v v) (pow v 4))
9.250 * [taylor]: Taking taylor expansion of (* v v) in v
9.250 * [taylor]: Taking taylor expansion of v in v
9.250 * [taylor]: Taking taylor expansion of v in v
9.250 * [taylor]: Taking taylor expansion of (pow v 4) in v
9.250 * [taylor]: Taking taylor expansion of v in v
9.280 * [approximate]: Taking taylor expansion of (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) in (v) around 0
9.280 * [taylor]: Taking taylor expansion of (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) in v
9.280 * [taylor]: Taking taylor expansion of 4.0 in v
9.280 * [taylor]: Taking taylor expansion of (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4)) in v
9.280 * [taylor]: Rewrote expression to (+ (* (/ 1 v) (/ 1 v)) (pow (/ 1 v) 4))
9.280 * [taylor]: Taking taylor expansion of (* (/ 1 v) (/ 1 v)) in v
9.280 * [taylor]: Taking taylor expansion of (/ 1 v) in v
9.280 * [taylor]: Taking taylor expansion of v in v
9.281 * [taylor]: Taking taylor expansion of (/ 1 v) in v
9.281 * [taylor]: Taking taylor expansion of v in v
9.281 * [taylor]: Taking taylor expansion of (pow (/ 1 v) 4) in v
9.281 * [taylor]: Taking taylor expansion of (/ 1 v) in v
9.281 * [taylor]: Taking taylor expansion of v in v
9.281 * [taylor]: Taking taylor expansion of (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) in v
9.281 * [taylor]: Taking taylor expansion of 4.0 in v
9.281 * [taylor]: Taking taylor expansion of (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4)) in v
9.281 * [taylor]: Rewrote expression to (+ (* (/ 1 v) (/ 1 v)) (pow (/ 1 v) 4))
9.281 * [taylor]: Taking taylor expansion of (* (/ 1 v) (/ 1 v)) in v
9.281 * [taylor]: Taking taylor expansion of (/ 1 v) in v
9.281 * [taylor]: Taking taylor expansion of v in v
9.282 * [taylor]: Taking taylor expansion of (/ 1 v) in v
9.282 * [taylor]: Taking taylor expansion of v in v
9.282 * [taylor]: Taking taylor expansion of (pow (/ 1 v) 4) in v
9.282 * [taylor]: Taking taylor expansion of (/ 1 v) in v
9.282 * [taylor]: Taking taylor expansion of v in v
9.315 * [approximate]: Taking taylor expansion of (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) in (v) around 0
9.315 * [taylor]: Taking taylor expansion of (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) in v
9.315 * [taylor]: Taking taylor expansion of 4.0 in v
9.315 * [taylor]: Taking taylor expansion of (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4)) in v
9.315 * [taylor]: Rewrote expression to (+ (* (/ -1 v) (/ -1 v)) (pow (/ -1 v) 4))
9.315 * [taylor]: Taking taylor expansion of (* (/ -1 v) (/ -1 v)) in v
9.315 * [taylor]: Taking taylor expansion of (/ -1 v) in v
9.315 * [taylor]: Taking taylor expansion of -1 in v
9.315 * [taylor]: Taking taylor expansion of v in v
9.316 * [taylor]: Taking taylor expansion of (/ -1 v) in v
9.316 * [taylor]: Taking taylor expansion of -1 in v
9.316 * [taylor]: Taking taylor expansion of v in v
9.316 * [taylor]: Taking taylor expansion of (pow (/ -1 v) 4) in v
9.316 * [taylor]: Taking taylor expansion of (/ -1 v) in v
9.316 * [taylor]: Taking taylor expansion of -1 in v
9.316 * [taylor]: Taking taylor expansion of v in v
9.316 * [taylor]: Taking taylor expansion of (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) in v
9.316 * [taylor]: Taking taylor expansion of 4.0 in v
9.316 * [taylor]: Taking taylor expansion of (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4)) in v
9.316 * [taylor]: Rewrote expression to (+ (* (/ -1 v) (/ -1 v)) (pow (/ -1 v) 4))
9.316 * [taylor]: Taking taylor expansion of (* (/ -1 v) (/ -1 v)) in v
9.317 * [taylor]: Taking taylor expansion of (/ -1 v) in v
9.317 * [taylor]: Taking taylor expansion of -1 in v
9.317 * [taylor]: Taking taylor expansion of v in v
9.317 * [taylor]: Taking taylor expansion of (/ -1 v) in v
9.317 * [taylor]: Taking taylor expansion of -1 in v
9.317 * [taylor]: Taking taylor expansion of v in v
9.317 * [taylor]: Taking taylor expansion of (pow (/ -1 v) 4) in v
9.317 * [taylor]: Taking taylor expansion of (/ -1 v) in v
9.317 * [taylor]: Taking taylor expansion of -1 in v
9.317 * [taylor]: Taking taylor expansion of v in v
9.354 * * * * [progress]: [ 3 / 4 ] generating series at (2)
9.354 * [approximate]: Taking taylor expansion of (expm1 (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))) in (v) around 0
9.354 * [taylor]: Taking taylor expansion of (expm1 (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))) in v
9.354 * [taylor]: Rewrote expression to (- (exp (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))) 1)
9.354 * [taylor]: Taking taylor expansion of (exp (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))) in v
9.354 * [taylor]: Taking taylor expansion of (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))) in v
9.354 * [taylor]: Rewrote expression to (log (+ 1 (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))
9.354 * [taylor]: Taking taylor expansion of (+ 1 (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))) in v
9.354 * [taylor]: Taking taylor expansion of 1 in v
9.354 * [taylor]: Taking taylor expansion of (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)) in v
9.355 * [taylor]: Taking taylor expansion of 1 in v
9.355 * [taylor]: Taking taylor expansion of (expm1 (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))) in v
9.355 * [taylor]: Rewrote expression to (- (exp (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))) 1)
9.355 * [taylor]: Taking taylor expansion of (exp (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))) in v
9.355 * [taylor]: Taking taylor expansion of (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))) in v
9.355 * [taylor]: Rewrote expression to (log (+ 1 (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))
9.355 * [taylor]: Taking taylor expansion of (+ 1 (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))) in v
9.355 * [taylor]: Taking taylor expansion of 1 in v
9.355 * [taylor]: Taking taylor expansion of (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)) in v
9.355 * [taylor]: Taking taylor expansion of 1 in v
9.391 * [approximate]: Taking taylor expansion of (expm1 (log1p (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0)))) in (v) around 0
9.391 * [taylor]: Taking taylor expansion of (expm1 (log1p (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0)))) in v
9.391 * [taylor]: Rewrote expression to (- (exp (log1p (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0)))) 1)
9.391 * [taylor]: Taking taylor expansion of (exp (log1p (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0)))) in v
9.391 * [taylor]: Taking taylor expansion of (log1p (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0))) in v
9.391 * [taylor]: Rewrote expression to (log (+ 1 (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0))))
9.391 * [taylor]: Taking taylor expansion of (+ 1 (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0))) in v
9.391 * [taylor]: Taking taylor expansion of 1 in v
9.391 * [taylor]: Taking taylor expansion of (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0)) in v
9.392 * [taylor]: Taking taylor expansion of 1 in v
9.392 * [taylor]: Taking taylor expansion of (expm1 (log1p (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0)))) in v
9.392 * [taylor]: Rewrote expression to (- (exp (log1p (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0)))) 1)
9.392 * [taylor]: Taking taylor expansion of (exp (log1p (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0)))) in v
9.392 * [taylor]: Taking taylor expansion of (log1p (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0))) in v
9.392 * [taylor]: Rewrote expression to (log (+ 1 (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0))))
9.392 * [taylor]: Taking taylor expansion of (+ 1 (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0))) in v
9.392 * [taylor]: Taking taylor expansion of 1 in v
9.392 * [taylor]: Taking taylor expansion of (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0)) in v
9.393 * [taylor]: Taking taylor expansion of 1 in v
9.433 * [approximate]: Taking taylor expansion of (expm1 (log1p (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0)))) in (v) around 0
9.433 * [taylor]: Taking taylor expansion of (expm1 (log1p (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0)))) in v
9.433 * [taylor]: Rewrote expression to (- (exp (log1p (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0)))) 1)
9.433 * [taylor]: Taking taylor expansion of (exp (log1p (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0)))) in v
9.433 * [taylor]: Taking taylor expansion of (log1p (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0))) in v
9.433 * [taylor]: Rewrote expression to (log (+ 1 (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0))))
9.433 * [taylor]: Taking taylor expansion of (+ 1 (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0))) in v
9.433 * [taylor]: Taking taylor expansion of 1 in v
9.433 * [taylor]: Taking taylor expansion of (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0)) in v
9.434 * [taylor]: Taking taylor expansion of 1 in v
9.434 * [taylor]: Taking taylor expansion of (expm1 (log1p (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0)))) in v
9.434 * [taylor]: Rewrote expression to (- (exp (log1p (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0)))) 1)
9.434 * [taylor]: Taking taylor expansion of (exp (log1p (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0)))) in v
9.434 * [taylor]: Taking taylor expansion of (log1p (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0))) in v
9.434 * [taylor]: Rewrote expression to (log (+ 1 (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0))))
9.434 * [taylor]: Taking taylor expansion of (+ 1 (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0))) in v
9.434 * [taylor]: Taking taylor expansion of 1 in v
9.434 * [taylor]: Taking taylor expansion of (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0)) in v
9.435 * [taylor]: Taking taylor expansion of 1 in v
9.472 * * * * [progress]: [ 4 / 4 ] generating series at (2 1)
9.472 * [approximate]: Taking taylor expansion of (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))) in (v) around 0
9.472 * [taylor]: Taking taylor expansion of (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))) in v
9.472 * [taylor]: Rewrote expression to (log (+ 1 (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))
9.472 * [taylor]: Taking taylor expansion of (+ 1 (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))) in v
9.472 * [taylor]: Taking taylor expansion of 1 in v
9.472 * [taylor]: Taking taylor expansion of (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)) in v
9.472 * [taylor]: Taking taylor expansion of (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))) in v
9.472 * [taylor]: Rewrote expression to (log (+ 1 (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))
9.472 * [taylor]: Taking taylor expansion of (+ 1 (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))) in v
9.472 * [taylor]: Taking taylor expansion of 1 in v
9.472 * [taylor]: Taking taylor expansion of (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)) in v
9.499 * [approximate]: Taking taylor expansion of (log1p (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0))) in (v) around 0
9.499 * [taylor]: Taking taylor expansion of (log1p (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0))) in v
9.499 * [taylor]: Rewrote expression to (log (+ 1 (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0))))
9.499 * [taylor]: Taking taylor expansion of (+ 1 (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0))) in v
9.499 * [taylor]: Taking taylor expansion of 1 in v
9.499 * [taylor]: Taking taylor expansion of (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0)) in v
9.499 * [taylor]: Taking taylor expansion of (log1p (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0))) in v
9.499 * [taylor]: Rewrote expression to (log (+ 1 (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0))))
9.499 * [taylor]: Taking taylor expansion of (+ 1 (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0))) in v
9.499 * [taylor]: Taking taylor expansion of 1 in v
9.500 * [taylor]: Taking taylor expansion of (acos (- (* 4.0 (fma (/ 1 v) (/ 1 v) (pow (/ 1 v) 4))) 1.0)) in v
9.525 * [approximate]: Taking taylor expansion of (log1p (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0))) in (v) around 0
9.525 * [taylor]: Taking taylor expansion of (log1p (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0))) in v
9.525 * [taylor]: Rewrote expression to (log (+ 1 (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0))))
9.525 * [taylor]: Taking taylor expansion of (+ 1 (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0))) in v
9.525 * [taylor]: Taking taylor expansion of 1 in v
9.525 * [taylor]: Taking taylor expansion of (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0)) in v
9.526 * [taylor]: Taking taylor expansion of (log1p (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0))) in v
9.526 * [taylor]: Rewrote expression to (log (+ 1 (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0))))
9.526 * [taylor]: Taking taylor expansion of (+ 1 (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0))) in v
9.526 * [taylor]: Taking taylor expansion of 1 in v
9.526 * [taylor]: Taking taylor expansion of (acos (- (* 4.0 (fma (/ -1 v) (/ -1 v) (pow (/ -1 v) 4))) 1.0)) in v
9.551 * * * [progress]: simplifying candidates
9.552 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (/ PI 2)
  (asin (- (* 4.0 (fma v v (pow v 4))) 1.0))
  (log (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (exp (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (* (cbrt (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))) (cbrt (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))
  (cbrt (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (* (* (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)) (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))) (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (expm1 (* 4.0 (fma v v (pow v 4))))
  (log1p (* 4.0 (fma v v (pow v 4))))
  (* 4.0 (fma v v (pow v 4)))
  (+ (log 4.0) (log (fma v v (pow v 4))))
  (log (* 4.0 (fma v v (pow v 4))))
  (exp (* 4.0 (fma v v (pow v 4))))
  (* (* (* 4.0 4.0) 4.0) (* (* (fma v v (pow v 4)) (fma v v (pow v 4))) (fma v v (pow v 4))))
  (* (cbrt (* 4.0 (fma v v (pow v 4)))) (cbrt (* 4.0 (fma v v (pow v 4)))))
  (cbrt (* 4.0 (fma v v (pow v 4))))
  (* (* (* 4.0 (fma v v (pow v 4))) (* 4.0 (fma v v (pow v 4)))) (* 4.0 (fma v v (pow v 4))))
  (sqrt (* 4.0 (fma v v (pow v 4))))
  (sqrt (* 4.0 (fma v v (pow v 4))))
  (* (sqrt 4.0) (sqrt (fma v v (pow v 4))))
  (* (sqrt 4.0) (sqrt (fma v v (pow v 4))))
  (* 4.0 (* v v))
  (* 4.0 (pow v 4))
  (* (* v v) 4.0)
  (* (pow v 4) 4.0)
  (* 4.0 (* (cbrt (fma v v (pow v 4))) (cbrt (fma v v (pow v 4)))))
  (* 4.0 (sqrt (fma v v (pow v 4))))
  (* 4.0 1)
  (* (cbrt 4.0) (fma v v (pow v 4)))
  (* (sqrt 4.0) (fma v v (pow v 4)))
  (* 4.0 (fma v v (pow v 4)))
  (exp (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))
  (expm1 (expm1 (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))))
  (log1p (expm1 (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))))
  (log (expm1 (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))))
  (exp (expm1 (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))))
  (* (cbrt (expm1 (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))) (cbrt (expm1 (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))))
  (cbrt (expm1 (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))))
  (* (* (expm1 (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))) (expm1 (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))) (expm1 (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))))
  (sqrt (expm1 (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))))
  (sqrt (expm1 (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))))
  (+ 1 (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (expm1 (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))
  (log1p (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))
  (log (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))
  (exp (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))
  (* (cbrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))) (cbrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))))
  (cbrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))
  (* (* (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))) (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))) (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))
  (sqrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))
  (sqrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))
  (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))
  (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))
  (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))
  (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4)))
  (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4)))
  (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4)))
  (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))
  (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))
  (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))
  (log (+ (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)) 1))
  (log (+ (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)) 1))
  (log (+ (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)) 1))
9.554 * * [simplify]: iteration  0 :  80  enodes  (cost  896 )
9.567 * * [simplify]: iteration  1 :  130  enodes  (cost  858 )
9.589 * * [simplify]: iteration  2 :  299  enodes  (cost  746 )
9.702 * * [simplify]: iteration  3 :  1013  enodes  (cost  746 )
11.555 * * [simplify]: iteration  4 :  4983  enodes  (cost  746 )
13.240 * * [simplify]: iteration  done :  5000  enodes  (cost  746 )
13.240 * [simplify]: Simplified to:
   (expm1 (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (/ PI 2)
  (asin (- (* 4.0 (fma v v (pow v 4))) 1.0))
  (log (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (exp (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (* (cbrt (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))) (cbrt (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))
  (cbrt (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (pow (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)) 3)
  (sqrt (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (expm1 (* 4.0 (fma v v (pow v 4))))
  (log1p (* 4.0 (fma v v (pow v 4))))
  (* (fma v v (pow v 4)) 4.0)
  (log (* 4.0 (fma v v (pow v 4))))
  (log (* 4.0 (fma v v (pow v 4))))
  (exp (* 4.0 (fma v v (pow v 4))))
  (pow (* (fma v v (pow v 4)) 4.0) 3)
  (* (cbrt (* 4.0 (fma v v (pow v 4)))) (cbrt (* 4.0 (fma v v (pow v 4)))))
  (cbrt (* 4.0 (fma v v (pow v 4))))
  (pow (* (fma v v (pow v 4)) 4.0) 3)
  (sqrt (* 4.0 (fma v v (pow v 4))))
  (sqrt (* 4.0 (fma v v (pow v 4))))
  (* (hypot v (* v v)) (sqrt 4.0))
  (* (hypot v (* v v)) (sqrt 4.0))
  (* 4.0 (* v v))
  (* (pow v 4) 4.0)
  (* 4.0 (* v v))
  (* (pow v 4) 4.0)
  (* 4.0 (* (cbrt (fma v v (pow v 4))) (cbrt (fma v v (pow v 4)))))
  (* (hypot v (* v v)) 4.0)
  4.0
  (* (cbrt 4.0) (fma v v (pow v 4)))
  (* (sqrt 4.0) (fma v v (pow v 4)))
  (* (fma v v (pow v 4)) 4.0)
  (exp (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))
  (expm1 (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (log (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (exp (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (* (cbrt (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))) (cbrt (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))
  (cbrt (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (pow (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)) 3)
  (sqrt (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (exp (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))
  (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))
  (log1p (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))
  (log (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))
  (exp (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))
  (* (cbrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))) (cbrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))))
  (cbrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))
  (pow (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))) 3)
  (sqrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))
  (sqrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))
  (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))
  (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))
  (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))
  (* (fma v v (pow v 4)) 4.0)
  (* (fma v v (pow v 4)) 4.0)
  (* (fma v v (pow v 4)) 4.0)
  (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))
  (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))
  (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))
  (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
  (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))
13.241 * * * [progress]: adding candidates to table
13.410 * [progress]: [Phase 3 of 3] Extracting.
13.410 * * [regime]: Finding splitpoints for: (#<alt (λ (v) (expm1 (* (* (cbrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))) (cbrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))) (cbrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))))))> #<alt (λ (v) (expm1 (* (sqrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))) (sqrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))))))> #<alt (λ (v) (expm1 (expm1 (log1p (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))))))> #<alt (λ (v) (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0)))))> #<alt (λ (v) (* (* (cbrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))) (cbrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))) (cbrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))))>)
13.411 * * * [regime-changes]: Trying 4 branch expressions: ((* v v) (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)) (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))) v)
13.412 * * * * [regimes]: Trying to branch on (* v v) from (#<alt (λ (v) (expm1 (* (* (cbrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))) (cbrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))) (cbrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))))))> #<alt (λ (v) (expm1 (* (sqrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))) (sqrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))))))> #<alt (λ (v) (expm1 (expm1 (log1p (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))))))> #<alt (λ (v) (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0)))))> #<alt (λ (v) (* (* (cbrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))) (cbrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))) (cbrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))))>)
13.431 * * * * [regimes]: Trying to branch on (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)) from (#<alt (λ (v) (expm1 (* (* (cbrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))) (cbrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))) (cbrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))))))> #<alt (λ (v) (expm1 (* (sqrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))) (sqrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))))))> #<alt (λ (v) (expm1 (expm1 (log1p (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))))))> #<alt (λ (v) (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0)))))> #<alt (λ (v) (* (* (cbrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))) (cbrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))) (cbrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))))>)
13.449 * * * * [regimes]: Trying to branch on (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))) from (#<alt (λ (v) (expm1 (* (* (cbrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))) (cbrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))) (cbrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))))))> #<alt (λ (v) (expm1 (* (sqrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))) (sqrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))))))> #<alt (λ (v) (expm1 (expm1 (log1p (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))))))> #<alt (λ (v) (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0)))))> #<alt (λ (v) (* (* (cbrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))) (cbrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))) (cbrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))))>)
13.472 * * * * [regimes]: Trying to branch on v from (#<alt (λ (v) (expm1 (* (* (cbrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))) (cbrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0))))) (cbrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))))))> #<alt (λ (v) (expm1 (* (sqrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))) (sqrt (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))))))> #<alt (λ (v) (expm1 (expm1 (log1p (log1p (acos (- (* 4.0 (fma v v (pow v 4))) 1.0)))))))> #<alt (λ (v) (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0)))))> #<alt (λ (v) (* (* (cbrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))) (cbrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))) (cbrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))))>)
13.493 * * * [regime]: Found split indices: #<option (#s(si 3 255))>
13.493 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0))))
13.493 * * [simplify]: iteration  0 :  11  enodes  (cost  24 )
13.494 * * [simplify]: iteration  1 :  13  enodes  (cost  24 )
13.494 * * [simplify]: iteration  done :  13  enodes  (cost  24 )
13.494 * [simplify]: Simplified to:
   (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0))))
16.122 * [regime-testing]: Baseline error score: 0.5774905486246754
16.122 * [regime-testing]: Oracle error score: 0.5023050036128868
16.123 * [regime-testing]: End program error score: 0.5774905486246754