1.122 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.045 * * * [progress]: [2/2] Setting up program.
0.049 * [progress]: [Phase 2 of 3] Improving.
0.049 * [simplify]: Simplifying:
  (+ x (* y (/ (- z t) (- z a))))
0.050 * * [simplify]: Extracting # 0 : cost  0
0.050 * * [simplify]: Extracting # 1 : cost  0
0.050 * * [simplify]: Extracting # 2 : cost  0
0.050 * * [simplify]: Extracting # 3 : cost  0
0.050 * * [simplify]: Extracting # 4 : cost  0
0.050 * * [simplify]: Extracting # 5 : cost  0
0.050 * * [simplify]: Extracting # 6 : cost  0
0.050 * * [simplify]: iteration  0 :  10  enodes  (cost  11 )
0.053 * * [simplify]: Extracting # 0 : cost  0
0.053 * * [simplify]: Extracting # 1 : cost  0
0.053 * * [simplify]: Extracting # 2 : cost  0
0.053 * * [simplify]: iteration  1 :  21  enodes  (cost  11 )
0.059 * * [simplify]: Extracting # 0 : cost  0
0.059 * * [simplify]: Extracting # 1 : cost  0
0.060 * * [simplify]: Extracting # 2 : cost  0
0.060 * * [simplify]: iteration  2 :  35  enodes  (cost  11 )
0.071 * * [simplify]: Extracting # 0 : cost  0
0.072 * * [simplify]: Extracting # 1 : cost  0
0.072 * * [simplify]: Extracting # 2 : cost  0
0.072 * * [simplify]: iteration  3 :  56  enodes  (cost  11 )
0.092 * * [simplify]: Extracting # 0 : cost  0
0.092 * * [simplify]: Extracting # 1 : cost  0
0.092 * * [simplify]: Extracting # 2 : cost  0
0.093 * * [simplify]: iteration  4 :  94  enodes  (cost  11 )
0.141 * * [simplify]: Extracting # 0 : cost  0
0.141 * * [simplify]: Extracting # 1 : cost  0
0.141 * * [simplify]: Extracting # 2 : cost  0
0.141 * * [simplify]: iteration  5 :  140  enodes  (cost  11 )
0.185 * * [simplify]: Extracting # 0 : cost  0
0.185 * * [simplify]: Extracting # 1 : cost  0
0.185 * * [simplify]: Extracting # 2 : cost  0
0.186 * * [simplify]: iteration  6 :  167  enodes  (cost  11 )
0.213 * * [simplify]: Extracting # 0 : cost  0
0.213 * * [simplify]: Extracting # 1 : cost  0
0.213 * * [simplify]: Extracting # 2 : cost  0
0.213 * * [simplify]: iteration  7 :  183  enodes  (cost  11 )
0.253 * * [simplify]: Extracting # 0 : cost  0
0.253 * * [simplify]: Extracting # 1 : cost  0
0.253 * * [simplify]: Extracting # 2 : cost  0
0.254 * * [simplify]: iteration  8 :  206  enodes  (cost  11 )
0.318 * * [simplify]: Extracting # 0 : cost  0
0.319 * * [simplify]: Extracting # 1 : cost  0
0.319 * * [simplify]: Extracting # 2 : cost  0
0.319 * * [simplify]: iteration  9 :  239  enodes  (cost  11 )
0.381 * * [simplify]: Extracting # 0 : cost  0
0.382 * * [simplify]: Extracting # 1 : cost  0
0.382 * * [simplify]: Extracting # 2 : cost  0
0.383 * * [simplify]: iteration  10 :  296  enodes  (cost  11 )
0.500 * * [simplify]: Extracting # 0 : cost  0
0.501 * * [simplify]: Extracting # 1 : cost  0
0.501 * * [simplify]: Extracting # 2 : cost  0
0.502 * * [simplify]: iteration  11 :  328  enodes  (cost  11 )
0.584 * * [simplify]: Extracting # 0 : cost  0
0.584 * * [simplify]: Extracting # 1 : cost  0
0.584 * * [simplify]: Extracting # 2 : cost  0
0.585 * * [simplify]: iteration  12 :  370  enodes  (cost  11 )
0.682 * * [simplify]: Extracting # 0 : cost  0
0.682 * * [simplify]: Extracting # 1 : cost  0
0.683 * * [simplify]: Extracting # 2 : cost  0
0.683 * * [simplify]: iteration  13 :  405  enodes  (cost  11 )
0.840 * * [simplify]: Extracting # 0 : cost  0
0.841 * * [simplify]: Extracting # 1 : cost  0
0.841 * * [simplify]: iteration  14 :  417  enodes  (cost  11 )
1.025 * * [simplify]: Extracting # 0 : cost  0
1.025 * * [simplify]: iteration done:  417  enodes  (cost  11 )
1.025 * [simplify]: Simplified to:
  (+ x (* y (/ (- z t) (- z a))))
1.025 * * [progress]: iteration 1 / 4
1.025 * * * [progress]: picking best candidate
1.027 * * * * [pick]: Picked  #<alt (λ (x y z t a) (+ x (* y (/ (- z t) (- z a)))))>
1.028 * * * [progress]: localizing error
1.039 * * * [progress]: generating rewritten candidates
1.039 * * * * [progress]: [ 1 / 3 ] rewriting at (2 2)
1.112 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2 2)
1.150 * * * * [progress]: [ 3 / 3 ] rewriting at (2)
1.161 * * * [progress]: generating series expansions
1.161 * * * * [progress]: [ 1 / 3 ] generating series at (2 2)
1.161 * [backup-simplify]: Simplify (* y (/ (- z t) (- z a))) into (/ (* y (- z t)) (- z a))
1.162 * [approximate]: Taking taylor expansion of (/ (* y (- z t)) (- z a)) in (y z t a) around 0
1.162 * [taylor]: Taking taylor expansion of (/ (* y (- z t)) (- z a)) in a
1.162 * [taylor]: Taking taylor expansion of (* y (- z t)) in a
1.162 * [taylor]: Taking taylor expansion of y in a
1.162 * [backup-simplify]: Simplify y into y
1.162 * [taylor]: Taking taylor expansion of (- z t) in a
1.162 * [taylor]: Taking taylor expansion of z in a
1.162 * [backup-simplify]: Simplify z into z
1.162 * [taylor]: Taking taylor expansion of t in a
1.162 * [backup-simplify]: Simplify t into t
1.162 * [taylor]: Taking taylor expansion of (- z a) in a
1.162 * [taylor]: Taking taylor expansion of z in a
1.162 * [backup-simplify]: Simplify z into z
1.162 * [taylor]: Taking taylor expansion of a in a
1.162 * [backup-simplify]: Simplify 0 into 0
1.162 * [backup-simplify]: Simplify 1 into 1
1.162 * [backup-simplify]: Simplify (- t) into (- t)
1.162 * [backup-simplify]: Simplify (+ z (- t)) into (- z t)
1.162 * [backup-simplify]: Simplify (* y (- z t)) into (* y (- z t))
1.162 * [backup-simplify]: Simplify (- 0) into 0
1.162 * [backup-simplify]: Simplify (+ z 0) into z
1.163 * [backup-simplify]: Simplify (/ (* y (- z t)) z) into (/ (* y (- z t)) z)
1.163 * [taylor]: Taking taylor expansion of (/ (* y (- z t)) (- z a)) in t
1.163 * [taylor]: Taking taylor expansion of (* y (- z t)) in t
1.163 * [taylor]: Taking taylor expansion of y in t
1.163 * [backup-simplify]: Simplify y into y
1.163 * [taylor]: Taking taylor expansion of (- z t) in t
1.163 * [taylor]: Taking taylor expansion of z in t
1.163 * [backup-simplify]: Simplify z into z
1.163 * [taylor]: Taking taylor expansion of t in t
1.163 * [backup-simplify]: Simplify 0 into 0
1.163 * [backup-simplify]: Simplify 1 into 1
1.163 * [taylor]: Taking taylor expansion of (- z a) in t
1.163 * [taylor]: Taking taylor expansion of z in t
1.163 * [backup-simplify]: Simplify z into z
1.163 * [taylor]: Taking taylor expansion of a in t
1.163 * [backup-simplify]: Simplify a into a
1.163 * [backup-simplify]: Simplify (- 0) into 0
1.163 * [backup-simplify]: Simplify (+ z 0) into z
1.163 * [backup-simplify]: Simplify (* y z) into (* z y)
1.163 * [backup-simplify]: Simplify (- a) into (- a)
1.163 * [backup-simplify]: Simplify (+ z (- a)) into (- z a)
1.163 * [backup-simplify]: Simplify (/ (* z y) (- z a)) into (/ (* z y) (- z a))
1.163 * [taylor]: Taking taylor expansion of (/ (* y (- z t)) (- z a)) in z
1.163 * [taylor]: Taking taylor expansion of (* y (- z t)) in z
1.163 * [taylor]: Taking taylor expansion of y in z
1.163 * [backup-simplify]: Simplify y into y
1.163 * [taylor]: Taking taylor expansion of (- z t) in z
1.163 * [taylor]: Taking taylor expansion of z in z
1.163 * [backup-simplify]: Simplify 0 into 0
1.163 * [backup-simplify]: Simplify 1 into 1
1.163 * [taylor]: Taking taylor expansion of t in z
1.163 * [backup-simplify]: Simplify t into t
1.163 * [taylor]: Taking taylor expansion of (- z a) in z
1.164 * [taylor]: Taking taylor expansion of z in z
1.164 * [backup-simplify]: Simplify 0 into 0
1.164 * [backup-simplify]: Simplify 1 into 1
1.164 * [taylor]: Taking taylor expansion of a in z
1.164 * [backup-simplify]: Simplify a into a
1.164 * [backup-simplify]: Simplify (- t) into (- t)
1.164 * [backup-simplify]: Simplify (+ 0 (- t)) into (- t)
1.164 * [backup-simplify]: Simplify (* y (- t)) into (* -1 (* t y))
1.164 * [backup-simplify]: Simplify (- a) into (- a)
1.164 * [backup-simplify]: Simplify (+ 0 (- a)) into (- a)
1.164 * [backup-simplify]: Simplify (/ (* -1 (* t y)) (- a)) into (/ (* t y) a)
1.164 * [taylor]: Taking taylor expansion of (/ (* y (- z t)) (- z a)) in y
1.164 * [taylor]: Taking taylor expansion of (* y (- z t)) in y
1.164 * [taylor]: Taking taylor expansion of y in y
1.164 * [backup-simplify]: Simplify 0 into 0
1.164 * [backup-simplify]: Simplify 1 into 1
1.164 * [taylor]: Taking taylor expansion of (- z t) in y
1.164 * [taylor]: Taking taylor expansion of z in y
1.164 * [backup-simplify]: Simplify z into z
1.164 * [taylor]: Taking taylor expansion of t in y
1.164 * [backup-simplify]: Simplify t into t
1.164 * [taylor]: Taking taylor expansion of (- z a) in y
1.164 * [taylor]: Taking taylor expansion of z in y
1.164 * [backup-simplify]: Simplify z into z
1.164 * [taylor]: Taking taylor expansion of a in y
1.164 * [backup-simplify]: Simplify a into a
1.164 * [backup-simplify]: Simplify (- t) into (- t)
1.164 * [backup-simplify]: Simplify (+ z (- t)) into (- z t)
1.164 * [backup-simplify]: Simplify (* 0 (- z t)) into 0
1.164 * [backup-simplify]: Simplify (- 0) into 0
1.165 * [backup-simplify]: Simplify (+ 0 0) into 0
1.165 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (- z t))) into (- z t)
1.165 * [backup-simplify]: Simplify (- a) into (- a)
1.165 * [backup-simplify]: Simplify (+ z (- a)) into (- z a)
1.165 * [backup-simplify]: Simplify (/ (- z t) (- z a)) into (/ (- z t) (- z a))
1.165 * [taylor]: Taking taylor expansion of (/ (* y (- z t)) (- z a)) in y
1.165 * [taylor]: Taking taylor expansion of (* y (- z t)) in y
1.165 * [taylor]: Taking taylor expansion of y in y
1.165 * [backup-simplify]: Simplify 0 into 0
1.165 * [backup-simplify]: Simplify 1 into 1
1.165 * [taylor]: Taking taylor expansion of (- z t) in y
1.165 * [taylor]: Taking taylor expansion of z in y
1.165 * [backup-simplify]: Simplify z into z
1.165 * [taylor]: Taking taylor expansion of t in y
1.165 * [backup-simplify]: Simplify t into t
1.165 * [taylor]: Taking taylor expansion of (- z a) in y
1.165 * [taylor]: Taking taylor expansion of z in y
1.165 * [backup-simplify]: Simplify z into z
1.165 * [taylor]: Taking taylor expansion of a in y
1.165 * [backup-simplify]: Simplify a into a
1.165 * [backup-simplify]: Simplify (- t) into (- t)
1.165 * [backup-simplify]: Simplify (+ z (- t)) into (- z t)
1.165 * [backup-simplify]: Simplify (* 0 (- z t)) into 0
1.166 * [backup-simplify]: Simplify (- 0) into 0
1.166 * [backup-simplify]: Simplify (+ 0 0) into 0
1.166 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (- z t))) into (- z t)
1.166 * [backup-simplify]: Simplify (- a) into (- a)
1.166 * [backup-simplify]: Simplify (+ z (- a)) into (- z a)
1.166 * [backup-simplify]: Simplify (/ (- z t) (- z a)) into (/ (- z t) (- z a))
1.167 * [taylor]: Taking taylor expansion of (/ (- z t) (- z a)) in z
1.167 * [taylor]: Taking taylor expansion of (- z t) in z
1.167 * [taylor]: Taking taylor expansion of z in z
1.167 * [backup-simplify]: Simplify 0 into 0
1.167 * [backup-simplify]: Simplify 1 into 1
1.167 * [taylor]: Taking taylor expansion of t in z
1.167 * [backup-simplify]: Simplify t into t
1.167 * [taylor]: Taking taylor expansion of (- z a) in z
1.167 * [taylor]: Taking taylor expansion of z in z
1.167 * [backup-simplify]: Simplify 0 into 0
1.167 * [backup-simplify]: Simplify 1 into 1
1.167 * [taylor]: Taking taylor expansion of a in z
1.167 * [backup-simplify]: Simplify a into a
1.167 * [backup-simplify]: Simplify (- t) into (- t)
1.167 * [backup-simplify]: Simplify (+ 0 (- t)) into (- t)
1.167 * [backup-simplify]: Simplify (- a) into (- a)
1.167 * [backup-simplify]: Simplify (+ 0 (- a)) into (- a)
1.167 * [backup-simplify]: Simplify (/ (- t) (- a)) into (/ t a)
1.167 * [taylor]: Taking taylor expansion of (/ t a) in t
1.167 * [taylor]: Taking taylor expansion of t in t
1.167 * [backup-simplify]: Simplify 0 into 0
1.167 * [backup-simplify]: Simplify 1 into 1
1.167 * [taylor]: Taking taylor expansion of a in t
1.167 * [backup-simplify]: Simplify a into a
1.167 * [backup-simplify]: Simplify (/ 1 a) into (/ 1 a)
1.167 * [backup-simplify]: Simplify (- 0) into 0
1.168 * [backup-simplify]: Simplify (+ 0 0) into 0
1.168 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (- z t)))) into 0
1.168 * [backup-simplify]: Simplify (- 0) into 0
1.169 * [backup-simplify]: Simplify (+ 0 0) into 0
1.169 * [backup-simplify]: Simplify (- (/ 0 (- z a)) (+ (* (/ (- z t) (- z a)) (/ 0 (- z a))))) into 0
1.169 * [taylor]: Taking taylor expansion of 0 in z
1.169 * [backup-simplify]: Simplify 0 into 0
1.169 * [taylor]: Taking taylor expansion of 0 in t
1.169 * [backup-simplify]: Simplify 0 into 0
1.169 * [taylor]: Taking taylor expansion of 0 in a
1.169 * [backup-simplify]: Simplify 0 into 0
1.169 * [backup-simplify]: Simplify 0 into 0
1.169 * [backup-simplify]: Simplify (- 0) into 0
1.169 * [backup-simplify]: Simplify (+ 1 0) into 1
1.170 * [backup-simplify]: Simplify (- 0) into 0
1.170 * [backup-simplify]: Simplify (+ 1 0) into 1