0.020 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.028 * * * [progress]: [2/2] Setting up program.
0.030 * [progress]: [Phase 2 of 3] Improving.
0.030 * [simplify]: Simplifying:
  (/ (- x lo) (- hi lo))
0.030 * * [simplify]: Extracting # 0 : cost  0
0.030 * * [simplify]: Extracting # 1 : cost  0
0.030 * * [simplify]: Extracting # 2 : cost  0
0.030 * * [simplify]: Extracting # 3 : cost  0
0.030 * * [simplify]: Extracting # 4 : cost  0
0.031 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.031 * * [simplify]: Extracting # 0 : cost  0
0.031 * * [simplify]: Extracting # 1 : cost  0
0.031 * * [simplify]: Extracting # 2 : cost  0
0.031 * * [simplify]: iteration  1 :  12  enodes  (cost  7 )
0.033 * * [simplify]: Extracting # 0 : cost  0
0.033 * * [simplify]: Extracting # 1 : cost  0
0.033 * * [simplify]: Extracting # 2 : cost  0
0.033 * * [simplify]: iteration  2 :  16  enodes  (cost  7 )
0.035 * * [simplify]: Extracting # 0 : cost  0
0.035 * * [simplify]: iteration  3 :  18  enodes  (cost  7 )
0.037 * * [simplify]: Extracting # 0 : cost  0
0.037 * * [simplify]: iteration done:  18  enodes  (cost  7 )
0.037 * [simplify]: Simplified to:
  (/ (- x lo) (- hi lo))
0.038 * * [progress]: iteration 1 / 4
0.038 * * * [progress]: picking best candidate
0.039 * * * * [pick]: Picked  #<alt (λ (lo hi x) (/ (- x lo) (- hi lo)))>
0.039 * * * [progress]: localizing error
0.045 * * * [progress]: generating rewritten candidates
0.045 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.116 * * * [progress]: generating series expansions
0.116 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.117 * [backup-simplify]: Simplify (/ (- x lo) (- hi lo)) into (/ (- x lo) (- hi lo))
0.117 * [approximate]: Taking taylor expansion of (/ (- x lo) (- hi lo)) in (x lo hi) around 0
0.117 * [taylor]: Taking taylor expansion of (/ (- x lo) (- hi lo)) in hi
0.117 * [taylor]: Taking taylor expansion of (- x lo) in hi
0.117 * [taylor]: Taking taylor expansion of x in hi
0.117 * [backup-simplify]: Simplify x into x
0.117 * [taylor]: Taking taylor expansion of lo in hi
0.117 * [backup-simplify]: Simplify lo into lo
0.117 * [taylor]: Taking taylor expansion of (- hi lo) in hi
0.117 * [taylor]: Taking taylor expansion of hi in hi
0.117 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify 1 into 1
0.117 * [taylor]: Taking taylor expansion of lo in hi
0.117 * [backup-simplify]: Simplify lo into lo
0.118 * [backup-simplify]: Simplify (- lo) into (- lo)
0.118 * [backup-simplify]: Simplify (+ x (- lo)) into (- x lo)
0.118 * [backup-simplify]: Simplify (- lo) into (- lo)
0.118 * [backup-simplify]: Simplify (+ 0 (- lo)) into (- lo)
0.118 * [backup-simplify]: Simplify (/ (- x lo) (- lo)) into (* -1 (/ (- x lo) lo))
0.118 * [taylor]: Taking taylor expansion of (/ (- x lo) (- hi lo)) in lo
0.118 * [taylor]: Taking taylor expansion of (- x lo) in lo
0.118 * [taylor]: Taking taylor expansion of x in lo
0.118 * [backup-simplify]: Simplify x into x
0.118 * [taylor]: Taking taylor expansion of lo in lo
0.118 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify 1 into 1
0.118 * [taylor]: Taking taylor expansion of (- hi lo) in lo
0.118 * [taylor]: Taking taylor expansion of hi in lo
0.118 * [backup-simplify]: Simplify hi into hi
0.118 * [taylor]: Taking taylor expansion of lo in lo
0.118 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify 1 into 1
0.119 * [backup-simplify]: Simplify (- 0) into 0
0.119 * [backup-simplify]: Simplify (+ x 0) into x
0.119 * [backup-simplify]: Simplify (- 0) into 0
0.119 * [backup-simplify]: Simplify (+ hi 0) into hi
0.119 * [backup-simplify]: Simplify (/ x hi) into (/ x hi)
0.119 * [taylor]: Taking taylor expansion of (/ (- x lo) (- hi lo)) in x
0.120 * [taylor]: Taking taylor expansion of (- x lo) in x
0.120 * [taylor]: Taking taylor expansion of x in x
0.120 * [backup-simplify]: Simplify 0 into 0
0.120 * [backup-simplify]: Simplify 1 into 1
0.120 * [taylor]: Taking taylor expansion of lo in x
0.120 * [backup-simplify]: Simplify lo into lo
0.120 * [taylor]: Taking taylor expansion of (- hi lo) in x
0.120 * [taylor]: Taking taylor expansion of hi in x
0.120 * [backup-simplify]: Simplify hi into hi
0.120 * [taylor]: Taking taylor expansion of lo in x
0.120 * [backup-simplify]: Simplify lo into lo
0.120 * [backup-simplify]: Simplify (- lo) into (- lo)
0.120 * [backup-simplify]: Simplify (+ 0 (- lo)) into (- lo)
0.120 * [backup-simplify]: Simplify (- lo) into (- lo)
0.120 * [backup-simplify]: Simplify (+ hi (- lo)) into (- hi lo)
0.120 * [backup-simplify]: Simplify (/ (- lo) (- hi lo)) into (* -1 (/ lo (- hi lo)))
0.120 * [taylor]: Taking taylor expansion of (/ (- x lo) (- hi lo)) in x
0.120 * [taylor]: Taking taylor expansion of (- x lo) in x
0.120 * [taylor]: Taking taylor expansion of x in x
0.120 * [backup-simplify]: Simplify 0 into 0
0.120 * [backup-simplify]: Simplify 1 into 1
0.120 * [taylor]: Taking taylor expansion of lo in x
0.120 * [backup-simplify]: Simplify lo into lo
0.120 * [taylor]: Taking taylor expansion of (- hi lo) in x
0.120 * [taylor]: Taking taylor expansion of hi in x
0.120 * [backup-simplify]: Simplify hi into hi
0.120 * [taylor]: Taking taylor expansion of lo in x
0.120 * [backup-simplify]: Simplify lo into lo
0.120 * [backup-simplify]: Simplify (- lo) into (- lo)
0.121 * [backup-simplify]: Simplify (+ 0 (- lo)) into (- lo)
0.121 * [backup-simplify]: Simplify (- lo) into (- lo)
0.121 * [backup-simplify]: Simplify (+ hi (- lo)) into (- hi lo)
0.121 * [backup-simplify]: Simplify (/ (- lo) (- hi lo)) into (* -1 (/ lo (- hi lo)))
0.121 * [taylor]: Taking taylor expansion of (* -1 (/ lo (- hi lo))) in lo
0.121 * [taylor]: Taking taylor expansion of -1 in lo
0.121 * [backup-simplify]: Simplify -1 into -1
0.121 * [taylor]: Taking taylor expansion of (/ lo (- hi lo)) in lo
0.121 * [taylor]: Taking taylor expansion of lo in lo
0.121 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify 1 into 1
0.121 * [taylor]: Taking taylor expansion of (- hi lo) in lo
0.121 * [taylor]: Taking taylor expansion of hi in lo
0.121 * [backup-simplify]: Simplify hi into hi
0.121 * [taylor]: Taking taylor expansion of lo in lo
0.121 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify 1 into 1
0.122 * [backup-simplify]: Simplify (- 0) into 0
0.122 * [backup-simplify]: Simplify (+ hi 0) into hi
0.122 * [backup-simplify]: Simplify (/ 1 hi) into (/ 1 hi)
0.122 * [backup-simplify]: Simplify (- 0) into 0
0.123 * [backup-simplify]: Simplify (+ 1 0) into 1
0.124 * [backup-simplify]: Simplify (- 0) into 0
0.124 * [backup-simplify]: Simplify (+ 0 0) into 0
0.125 * [backup-simplify]: Simplify (- (/ 1 (- hi lo)) (+ (* (* -1 (/ lo (- hi lo))) (/ 0 (- hi lo))))) into (/ 1 (- hi lo))
0.125 * [taylor]: Taking taylor expansion of (/ 1 (- hi lo)) in lo
0.125 * [taylor]: Taking taylor expansion of (- hi lo) in lo
0.125 * [taylor]: Taking taylor expansion of hi in lo
0.125 * [backup-simplify]: Simplify hi into hi
0.125 * [taylor]: Taking taylor expansion of lo in lo
0.125 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify 1 into 1
0.125 * [backup-simplify]: Simplify (- 0) into 0
0.125 * [backup-simplify]: Simplify (+ hi 0) into hi
0.126 * [backup-simplify]: Simplify (/ 1 hi) into (/ 1 hi)
0.126 * [taylor]: Taking taylor expansion of (/ 1 hi) in hi
0.126 * [taylor]: Taking taylor expansion of hi in hi
0.126 * [backup-simplify]: Simplify 0 into 0
0.126 * [backup-simplify]: Simplify 1 into 1
0.126 * [backup-simplify]: Simplify (/ 1 1) into 1
0.127 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.127 * [backup-simplify]: Simplify 0 into 0
0.127 * [backup-simplify]: Simplify (* -1 (/ 1 hi)) into (/ -1 hi)
0.127 * [taylor]: Taking taylor expansion of (/ -1 hi) in hi
0.127 * [taylor]: Taking taylor expansion of -1 in hi
0.128 * [backup-simplify]: Simplify -1 into -1
0.128 * [taylor]: Taking taylor expansion of hi in hi
0.128 * [backup-simplify]: Simplify 0 into 0
0.128 * [backup-simplify]: Simplify 1 into 1
0.128 * [backup-simplify]: Simplify (/ -1 1) into -1
0.129 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)))) into 0
0.129 * [backup-simplify]: Simplify 0 into 0
0.130 * [backup-simplify]: Simplify (- 0) into 0
0.130 * [backup-simplify]: Simplify (+ 0 0) into 0
0.130 * [backup-simplify]: Simplify (- 0) into 0
0.131 * [backup-simplify]: Simplify (+ 0 0) into 0
0.131 * [backup-simplify]: Simplify (- (/ 0 (- hi lo)) (+ (* (* -1 (/ lo (- hi lo))) (/ 0 (- hi lo))) (* (/ 1 (- hi lo)) (/ 0 (- hi lo))))) into 0
0.131 * [taylor]: Taking taylor expansion of 0 in lo
0.131 * [backup-simplify]: Simplify 0 into 0
0.131 * [taylor]: Taking taylor expansion of 0 in hi
0.131 * [backup-simplify]: Simplify 0 into 0
0.132 * [backup-simplify]: Simplify 0 into 0
0.132 * [backup-simplify]: Simplify (- 1) into -1
0.132 * [backup-simplify]: Simplify (+ 0 -1) into -1