5.994 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.103 * * * [progress]: [2/2] Setting up program.
0.106 * [progress]: [Phase 2 of 3] Improving.
0.106 * [simplify]: Simplifying:
  (- (log (+ 1.0 (exp x))) (* x y))
0.106 * * [simplify]: Extracting # 0 : cost  0
0.106 * * [simplify]: Extracting # 1 : cost  0
0.107 * * [simplify]: Extracting # 2 : cost  0
0.107 * * [simplify]: Extracting # 3 : cost  0
0.107 * * [simplify]: Extracting # 4 : cost  0
0.107 * * [simplify]: Extracting # 5 : cost  0
0.107 * * [simplify]: iteration  0 :  8  enodes  (cost  9 )
0.109 * * [simplify]: Extracting # 0 : cost  0
0.109 * * [simplify]: Extracting # 1 : cost  0
0.109 * * [simplify]: Extracting # 2 : cost  0
0.109 * * [simplify]: iteration  1 :  12  enodes  (cost  9 )
0.112 * * [simplify]: Extracting # 0 : cost  0
0.112 * * [simplify]: Extracting # 1 : cost  0
0.112 * * [simplify]: Extracting # 2 : cost  0
0.112 * * [simplify]: iteration  2 :  19  enodes  (cost  9 )
0.118 * * [simplify]: Extracting # 0 : cost  0
0.118 * * [simplify]: iteration done:  19  enodes  (cost  9 )
0.118 * [simplify]: Simplified to:
  (- (log (+ 1.0 (exp x))) (* x y))
0.118 * * [progress]: iteration 1 / 4
0.118 * * * [progress]: picking best candidate
0.122 * * * * [pick]: Picked  #<alt (λ (x y) (- (log (+ 1.0 (exp x))) (* x y)))>
0.122 * * * [progress]: localizing error
0.132 * * * [progress]: generating rewritten candidates
0.132 * * * * [progress]: [ 1 / 3 ] rewriting at (2 1)
0.138 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1 1)
0.145 * * * * [progress]: [ 3 / 3 ] rewriting at (2)
0.160 * * * [progress]: generating series expansions
0.160 * * * * [progress]: [ 1 / 3 ] generating series at (2 1)
0.160 * [backup-simplify]: Simplify (log (+ 1.0 (exp x))) into (log (+ (exp x) 1.0))
0.160 * [approximate]: Taking taylor expansion of (log (+ (exp x) 1.0)) in (x) around 0
0.160 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
0.160 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.160 * [taylor]: Taking taylor expansion of (exp x) in x
0.160 * [taylor]: Taking taylor expansion of x in x
0.160 * [backup-simplify]: Simplify 0 into 0
0.160 * [backup-simplify]: Simplify 1 into 1
0.160 * [backup-simplify]: Simplify (exp 0) into 1
0.160 * [taylor]: Taking taylor expansion of 1.0 in x
0.160 * [backup-simplify]: Simplify 1.0 into 1.0
0.161 * [backup-simplify]: Simplify (+ 1 1.0) into 2.0
0.162 * [backup-simplify]: Simplify (log 2.0) into (log 2.0)
0.162 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
0.162 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.162 * [taylor]: Taking taylor expansion of (exp x) in x
0.162 * [taylor]: Taking taylor expansion of x in x
0.162 * [backup-simplify]: Simplify 0 into 0
0.162 * [backup-simplify]: Simplify 1 into 1
0.162 * [backup-simplify]: Simplify (exp 0) into 1
0.162 * [taylor]: Taking taylor expansion of 1.0 in x
0.162 * [backup-simplify]: Simplify 1.0 into 1.0
0.162 * [backup-simplify]: Simplify (+ 1 1.0) into 2.0
0.163 * [backup-simplify]: Simplify (log 2.0) into (log 2.0)
0.163 * [backup-simplify]: Simplify (log 2.0) into (log 2.0)
0.165 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 1) 1)))) into 1
0.165 * [backup-simplify]: Simplify (+ 1 0) into 1
0.170 * [backup-simplify]: Simplify (/ (+ (* 1 (/ (* (pow (* 1 1) 1)) (pow 2.0 1)))) 1) into 0.5
0.170 * [backup-simplify]: Simplify 0.5 into 0.5
0.172 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 2) 2)) (* (/ (pow 0 1) 1)))) into 1/2
0.173 * [backup-simplify]: Simplify (+ 1/2 0) into 1/2
0.185 * [backup-simplify]: Simplify (/ (+ (* -1 (/ (* (pow (* 1 1) 2)) (pow 2.0 2))) (* 1 (/ (* 1 (pow (* 2 1/2) 1)) (pow 2.0 1)))) 2) into (* 1/2 (- 0.5 (/ 1 (pow 2.0 2))))
0.204 * [backup-simplify]: Simplify (* 1/2 (- 0.5 (/ 1 (pow 2.0 2)))) into (* 1/2 (- 0.5 (/ 1 (pow 2.0 2))))