16.686 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.017 * * * [progress]: [2/2] Setting up program.
0.019 * [progress]: [Phase 2 of 3] Improving.
0.019 * [simplify]: Simplifying:
  (* 2.0 (- (* x x) (* x y)))
0.019 * * [simplify]: Extracting # 0 : cost  0
0.019 * * [simplify]: Extracting # 1 : cost  0
0.019 * * [simplify]: Extracting # 2 : cost  0
0.019 * * [simplify]: Extracting # 3 : cost  0
0.019 * * [simplify]: Extracting # 4 : cost  0
0.019 * * [simplify]: Extracting # 5 : cost  0
0.019 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.021 * * [simplify]: Extracting # 0 : cost  0
0.021 * * [simplify]: Extracting # 1 : cost  0
0.021 * * [simplify]: Extracting # 2 : cost  0
0.021 * * [simplify]: Extracting # 3 : cost  0
0.021 * * [simplify]: iteration  1 :  14  enodes  (cost  7 )
0.023 * * [simplify]: Extracting # 0 : cost  0
0.023 * * [simplify]: Extracting # 1 : cost  0
0.023 * * [simplify]: Extracting # 2 : cost  0
0.023 * * [simplify]: iteration  2 :  33  enodes  (cost  7 )
0.030 * * [simplify]: Extracting # 0 : cost  0
0.033 * * [simplify]: Extracting # 1 : cost  0
0.033 * * [simplify]: Extracting # 2 : cost  0
0.033 * * [simplify]: iteration  3 :  73  enodes  (cost  7 )
0.050 * * [simplify]: Extracting # 0 : cost  0
0.050 * * [simplify]: Extracting # 1 : cost  0
0.050 * * [simplify]: Extracting # 2 : cost  0
0.050 * * [simplify]: iteration  4 :  109  enodes  (cost  7 )
0.072 * * [simplify]: Extracting # 0 : cost  0
0.072 * * [simplify]: iteration  5 :  121  enodes  (cost  7 )
0.098 * * [simplify]: Extracting # 0 : cost  0
0.098 * * [simplify]: iteration  6 :  123  enodes  (cost  7 )
0.122 * * [simplify]: Extracting # 0 : cost  0
0.122 * * [simplify]: iteration done:  123  enodes  (cost  7 )
0.122 * [simplify]: Simplified to:
  (* (* x (- x y)) 2.0)
0.124 * * [progress]: iteration 1 / 4
0.124 * * * [progress]: picking best candidate
0.125 * * * * [pick]: Picked  #<alt (λ (x y) (* (* x (- x y)) 2.0))>
0.125 * * * [progress]: localizing error
0.130 * * * [progress]: generating rewritten candidates
0.130 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.168 * * * [progress]: generating series expansions
0.168 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.168 * [backup-simplify]: Simplify (* (* x (- x y)) 2.0) into (* 2.0 (* x (- x y)))
0.168 * [approximate]: Taking taylor expansion of (* 2.0 (* x (- x y))) in (x y) around 0
0.168 * [taylor]: Taking taylor expansion of (* 2.0 (* x (- x y))) in y
0.168 * [taylor]: Taking taylor expansion of 2.0 in y
0.168 * [backup-simplify]: Simplify 2.0 into 2.0
0.168 * [taylor]: Taking taylor expansion of (* x (- x y)) in y
0.168 * [taylor]: Taking taylor expansion of x in y
0.168 * [backup-simplify]: Simplify x into x
0.168 * [taylor]: Taking taylor expansion of (- x y) in y
0.168 * [taylor]: Taking taylor expansion of x in y
0.169 * [backup-simplify]: Simplify x into x
0.169 * [taylor]: Taking taylor expansion of y in y
0.169 * [backup-simplify]: Simplify 0 into 0
0.169 * [backup-simplify]: Simplify 1 into 1
0.169 * [taylor]: Taking taylor expansion of (* 2.0 (* x (- x y))) in x
0.169 * [taylor]: Taking taylor expansion of 2.0 in x
0.169 * [backup-simplify]: Simplify 2.0 into 2.0
0.169 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.169 * [taylor]: Taking taylor expansion of x in x
0.169 * [backup-simplify]: Simplify 0 into 0
0.169 * [backup-simplify]: Simplify 1 into 1
0.169 * [taylor]: Taking taylor expansion of (- x y) in x
0.169 * [taylor]: Taking taylor expansion of x in x
0.169 * [backup-simplify]: Simplify 0 into 0
0.169 * [backup-simplify]: Simplify 1 into 1
0.169 * [taylor]: Taking taylor expansion of y in x
0.169 * [backup-simplify]: Simplify y into y
0.169 * [taylor]: Taking taylor expansion of (* 2.0 (* x (- x y))) in x
0.169 * [taylor]: Taking taylor expansion of 2.0 in x
0.169 * [backup-simplify]: Simplify 2.0 into 2.0
0.169 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.169 * [taylor]: Taking taylor expansion of x in x
0.169 * [backup-simplify]: Simplify 0 into 0
0.169 * [backup-simplify]: Simplify 1 into 1
0.169 * [taylor]: Taking taylor expansion of (- x y) in x
0.169 * [taylor]: Taking taylor expansion of x in x
0.169 * [backup-simplify]: Simplify 0 into 0
0.169 * [backup-simplify]: Simplify 1 into 1
0.169 * [taylor]: Taking taylor expansion of y in x
0.169 * [backup-simplify]: Simplify y into y
0.169 * [backup-simplify]: Simplify (- y) into (- y)
0.169 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y)
0.169 * [backup-simplify]: Simplify (* 0 (- y)) into 0
0.170 * [backup-simplify]: Simplify (* 2.0 0) into 0
0.170 * [taylor]: Taking taylor expansion of 0 in y
0.170 * [backup-simplify]: Simplify 0 into 0
0.170 * [backup-simplify]: Simplify 0 into 0
0.170 * [backup-simplify]: Simplify (- 0) into 0
0.170 * [backup-simplify]: Simplify (+ 1 0) into 1
0.171 * [backup-simplify]: Simplify (+ (* 0 1) (* 1 (- y))) into (- y)
0.171 * [backup-simplify]: Simplify (+ (* 2.0 (- y)) (* 0 0)) into (- (* 2.0 y))
0.171 * [taylor]: Taking taylor expansion of (- (* 2.0 y)) in y
0.171 * [taylor]: Taking taylor expansion of (* 2.0 y) in y
0.171 * [taylor]: Taking taylor expansion of 2.0 in y
0.171 * [backup-simplify]: Simplify 2.0 into 2.0
0.171 * [taylor]: Taking taylor expansion of y in y
0.171 * [backup-simplify]: Simplify 0 into 0
0.171 * [backup-simplify]: Simplify 1 into 1
0.171 * [backup-simplify]: Simplify (* 2.0 0) into 0
0.171 * [backup-simplify]: Simplify (- 0) into 0
0.171 * [backup-simplify]: Simplify 0 into 0
0.171 * [backup-simplify]: Simplify 0 into 0
0.172 * [backup-simplify]: Simplify (- 0) into 0
0.172 * [backup-simplify]: Simplify (+ 0 0) into 0
0.172 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 1) (* 0 (- y)))) into 1
0.173 * [backup-simplify]: Simplify (+ (* 2.0 1) (+ (* 0 (- y)) (* 0 0))) into 2.0
0.173 * [taylor]: Taking taylor expansion of 2.0 in y
0.173 * [backup-simplify]: Simplify 2.0 into 2.0
0.173 * [backup-simplify]: Simplify 2.0 into 2.0
0.174 * [backup-simplify]: Simplify (+ (* 2.0 1) (* 0 0)) into 2.0
0.174 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)
0.174 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)
0.174 * [backup-simplify]: Simplify 0 into 0
0.174 * [backup-simplify]: Simplify (- 0) into 0
0.175 * [backup-simplify]: Simplify (+ 0 0) into 0
0.175 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 (- y))))) into 0
0.176 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 1) (+ (* 0 (- y)) (* 0 0)))) into 0
0.176 * [taylor]: Taking taylor expansion of 0 in y
0.176 * [backup-simplify]: Simplify 0 into 0
0.176 * [backup-simplify]: Simplify 0 into 0
0.176 * [backup-simplify]: Simplify 0 into 0
0.177 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 1) (* 0 0))) into 0
0.177 * [backup-simplify]: Simplify (- 0) into 0
0.177 * [backup-simplify]: Simplify 0 into 0
0.177 * [backup-simplify]: Simplify 0 into 0
0.177 * [backup-simplify]: Simplify (- 0) into 0
0.177 * [backup-simplify]: Simplify (+ 0 0) into 0
0.178 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 (- y)))))) into 0
0.179 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 1) (+ (* 0 (- y)) (* 0 0))))) into 0
0.179 * [taylor]: Taking taylor expansion of 0 in y
0.179 * [backup-simplify]: Simplify 0 into 0
0.179 * [backup-simplify]: Simplify 0 into 0
0.180 * [backup-simplify]: Simplify (+ (* (- 2.0) (* y x)) (* 2.0 (pow (* 1 x) 2))) into (- (* 2.0 (pow x 2)) (* 2.0 (* x y)))
0.180 * [backup-simplify]: Simplify (* (* (/ 1 x) (- (/ 1 x) (/ 1 y))) 2.0) into (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x))
0.180 * [approximate]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in (x y) around 0
0.180 * [taylor]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in y
0.180 * [taylor]: Taking taylor expansion of 2.0 in y
0.180 * [backup-simplify]: Simplify 2.0 into 2.0
0.180 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in y
0.180 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.180 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.180 * [taylor]: Taking taylor expansion of x in y
0.180 * [backup-simplify]: Simplify x into x
0.180 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.180 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.180 * [taylor]: Taking taylor expansion of y in y
0.180 * [backup-simplify]: Simplify 0 into 0
0.180 * [backup-simplify]: Simplify 1 into 1
0.180 * [backup-simplify]: Simplify (/ 1 1) into 1
0.180 * [taylor]: Taking taylor expansion of x in y
0.180 * [backup-simplify]: Simplify x into x
0.181 * [backup-simplify]: Simplify (- 1) into -1
0.181 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.181 * [backup-simplify]: Simplify (/ -1 x) into (/ -1 x)
0.181 * [taylor]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in x
0.181 * [taylor]: Taking taylor expansion of 2.0 in x
0.181 * [backup-simplify]: Simplify 2.0 into 2.0
0.181 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
0.181 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.181 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.181 * [taylor]: Taking taylor expansion of x in x
0.181 * [backup-simplify]: Simplify 0 into 0
0.181 * [backup-simplify]: Simplify 1 into 1
0.181 * [backup-simplify]: Simplify (/ 1 1) into 1
0.181 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.181 * [taylor]: Taking taylor expansion of y in x
0.181 * [backup-simplify]: Simplify y into y
0.181 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.181 * [taylor]: Taking taylor expansion of x in x
0.181 * [backup-simplify]: Simplify 0 into 0
0.181 * [backup-simplify]: Simplify 1 into 1
0.182 * [backup-simplify]: Simplify (+ 1 0) into 1
0.182 * [backup-simplify]: Simplify (/ 1 1) into 1
0.182 * [taylor]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in x
0.182 * [taylor]: Taking taylor expansion of 2.0 in x
0.182 * [backup-simplify]: Simplify 2.0 into 2.0
0.182 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
0.182 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.182 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.182 * [taylor]: Taking taylor expansion of x in x
0.182 * [backup-simplify]: Simplify 0 into 0
0.182 * [backup-simplify]: Simplify 1 into 1
0.182 * [backup-simplify]: Simplify (/ 1 1) into 1
0.182 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.182 * [taylor]: Taking taylor expansion of y in x
0.182 * [backup-simplify]: Simplify y into y
0.182 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.182 * [taylor]: Taking taylor expansion of x in x
0.182 * [backup-simplify]: Simplify 0 into 0
0.182 * [backup-simplify]: Simplify 1 into 1
0.183 * [backup-simplify]: Simplify (+ 1 0) into 1
0.183 * [backup-simplify]: Simplify (/ 1 1) into 1
0.183 * [backup-simplify]: Simplify (* 2.0 1) into 2.0
0.183 * [taylor]: Taking taylor expansion of 2.0 in y
0.183 * [backup-simplify]: Simplify 2.0 into 2.0
0.184 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.184 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
0.184 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
0.184 * [backup-simplify]: Simplify (- (/ (- (/ 1 y)) 1) (+ (* 1 (/ 0 1)))) into (- (/ 1 y))
0.185 * [backup-simplify]: Simplify (+ (* 2.0 (- (/ 1 y))) (* 0 1)) into (- (* 2.0 (/ 1 y)))
0.185 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.185 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.185 * [taylor]: Taking taylor expansion of 2.0 in y
0.185 * [backup-simplify]: Simplify 2.0 into 2.0
0.185 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.185 * [taylor]: Taking taylor expansion of y in y
0.185 * [backup-simplify]: Simplify 0 into 0
0.185 * [backup-simplify]: Simplify 1 into 1
0.185 * [backup-simplify]: Simplify (/ 1 1) into 1
0.185 * [backup-simplify]: Simplify (* 2.0 1) into 2.0
0.185 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)
0.186 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)
0.186 * [backup-simplify]: Simplify 2.0 into 2.0
0.186 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.186 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.187 * [backup-simplify]: Simplify (- 0) into 0
0.187 * [backup-simplify]: Simplify (+ 0 0) into 0
0.188 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)) (* (- (/ 1 y)) (/ 0 1)))) into 0
0.189 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 (- (/ 1 y))) (* 0 1))) into 0
0.189 * [taylor]: Taking taylor expansion of 0 in y
0.189 * [backup-simplify]: Simplify 0 into 0
0.189 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.190 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 1)) into 0
0.190 * [backup-simplify]: Simplify (- 0) into 0
0.190 * [backup-simplify]: Simplify 0 into 0
0.190 * [backup-simplify]: Simplify 0 into 0
0.190 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.191 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.191 * [backup-simplify]: Simplify (- 0) into 0
0.191 * [backup-simplify]: Simplify (+ 0 0) into 0
0.192 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)) (* (- (/ 1 y)) (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.193 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1)))) into 0
0.193 * [taylor]: Taking taylor expansion of 0 in y
0.193 * [backup-simplify]: Simplify 0 into 0
0.193 * [backup-simplify]: Simplify 0 into 0
0.194 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.194 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 1))) into 0
0.194 * [backup-simplify]: Simplify (- 0) into 0
0.194 * [backup-simplify]: Simplify 0 into 0
0.194 * [backup-simplify]: Simplify 0 into 0
0.195 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.195 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.195 * [backup-simplify]: Simplify (- 0) into 0
0.196 * [backup-simplify]: Simplify (+ 0 0) into 0
0.197 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)) (* (- (/ 1 y)) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.198 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1))))) into 0
0.198 * [taylor]: Taking taylor expansion of 0 in y
0.198 * [backup-simplify]: Simplify 0 into 0
0.198 * [backup-simplify]: Simplify 0 into 0
0.198 * [backup-simplify]: Simplify (+ (* 2.0 (pow (* 1 (/ 1 (/ 1 x))) 2)) (* (- 2.0) (* (/ 1 (/ 1 y)) (/ 1 (/ 1 x))))) into (- (* 2.0 (pow x 2)) (* 2.0 (* x y)))
0.199 * [backup-simplify]: Simplify (* (* (/ 1 (- x)) (- (/ 1 (- x)) (/ 1 (- y)))) 2.0) into (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x))
0.199 * [approximate]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in (x y) around 0
0.199 * [taylor]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in y
0.199 * [taylor]: Taking taylor expansion of -2.0 in y
0.199 * [backup-simplify]: Simplify -2.0 into -2.0
0.199 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in y
0.199 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.199 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.199 * [taylor]: Taking taylor expansion of y in y
0.199 * [backup-simplify]: Simplify 0 into 0
0.199 * [backup-simplify]: Simplify 1 into 1
0.199 * [backup-simplify]: Simplify (/ 1 1) into 1
0.199 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.199 * [taylor]: Taking taylor expansion of x in y
0.199 * [backup-simplify]: Simplify x into x
0.199 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.199 * [taylor]: Taking taylor expansion of x in y
0.199 * [backup-simplify]: Simplify x into x
0.199 * [backup-simplify]: Simplify (+ 1 0) into 1
0.199 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.199 * [taylor]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in x
0.199 * [taylor]: Taking taylor expansion of -2.0 in x
0.200 * [backup-simplify]: Simplify -2.0 into -2.0
0.200 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in x
0.200 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.200 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.200 * [taylor]: Taking taylor expansion of y in x
0.200 * [backup-simplify]: Simplify y into y
0.200 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.200 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.200 * [taylor]: Taking taylor expansion of x in x
0.200 * [backup-simplify]: Simplify 0 into 0
0.200 * [backup-simplify]: Simplify 1 into 1
0.200 * [backup-simplify]: Simplify (/ 1 1) into 1
0.200 * [taylor]: Taking taylor expansion of x in x
0.200 * [backup-simplify]: Simplify 0 into 0
0.200 * [backup-simplify]: Simplify 1 into 1
0.200 * [backup-simplify]: Simplify (- 1) into -1
0.200 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.201 * [backup-simplify]: Simplify (/ -1 1) into -1
0.201 * [taylor]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in x
0.201 * [taylor]: Taking taylor expansion of -2.0 in x
0.201 * [backup-simplify]: Simplify -2.0 into -2.0
0.201 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in x
0.201 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.201 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.201 * [taylor]: Taking taylor expansion of y in x
0.201 * [backup-simplify]: Simplify y into y
0.201 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.201 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.201 * [taylor]: Taking taylor expansion of x in x
0.201 * [backup-simplify]: Simplify 0 into 0
0.201 * [backup-simplify]: Simplify 1 into 1
0.201 * [backup-simplify]: Simplify (/ 1 1) into 1
0.201 * [taylor]: Taking taylor expansion of x in x
0.201 * [backup-simplify]: Simplify 0 into 0
0.201 * [backup-simplify]: Simplify 1 into 1
0.201 * [backup-simplify]: Simplify (- 1) into -1
0.202 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.202 * [backup-simplify]: Simplify (/ -1 1) into -1
0.202 * [backup-simplify]: Simplify (* -2.0 -1) into 2.0
0.202 * [taylor]: Taking taylor expansion of 2.0 in y
0.202 * [backup-simplify]: Simplify 2.0 into 2.0
0.203 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.203 * [backup-simplify]: Simplify (- 0) into 0
0.203 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
0.203 * [backup-simplify]: Simplify (- (/ (/ 1 y) 1) (+ (* -1 (/ 0 1)))) into (/ 1 y)
0.204 * [backup-simplify]: Simplify (+ (* -2.0 (/ 1 y)) (* 0 -1)) into (- (* 2.0 (/ 1 y)))
0.204 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.204 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.204 * [taylor]: Taking taylor expansion of 2.0 in y
0.204 * [backup-simplify]: Simplify 2.0 into 2.0
0.204 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.204 * [taylor]: Taking taylor expansion of y in y
0.204 * [backup-simplify]: Simplify 0 into 0
0.204 * [backup-simplify]: Simplify 1 into 1
0.204 * [backup-simplify]: Simplify (/ 1 1) into 1
0.204 * [backup-simplify]: Simplify (* 2.0 1) into 2.0
0.205 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)
0.205 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)
0.205 * [backup-simplify]: Simplify 2.0 into 2.0
0.205 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.205 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.206 * [backup-simplify]: Simplify (- 0) into 0
0.206 * [backup-simplify]: Simplify (+ 0 0) into 0
0.207 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* (/ 1 y) (/ 0 1)))) into 0
0.207 * [backup-simplify]: Simplify (+ (* -2.0 0) (+ (* 0 (/ 1 y)) (* 0 -1))) into 0
0.207 * [taylor]: Taking taylor expansion of 0 in y
0.207 * [backup-simplify]: Simplify 0 into 0
0.208 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.208 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 1)) into 0
0.208 * [backup-simplify]: Simplify (- 0) into 0
0.208 * [backup-simplify]: Simplify 0 into 0
0.208 * [backup-simplify]: Simplify 0 into 0
0.209 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.209 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.209 * [backup-simplify]: Simplify (- 0) into 0
0.209 * [backup-simplify]: Simplify (+ 0 0) into 0
0.211 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* (/ 1 y) (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.211 * [backup-simplify]: Simplify (+ (* -2.0 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 -1)))) into 0
0.211 * [taylor]: Taking taylor expansion of 0 in y
0.211 * [backup-simplify]: Simplify 0 into 0
0.211 * [backup-simplify]: Simplify 0 into 0
0.212 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.212 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 1))) into 0
0.213 * [backup-simplify]: Simplify (- 0) into 0
0.213 * [backup-simplify]: Simplify 0 into 0
0.213 * [backup-simplify]: Simplify 0 into 0
0.213 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.214 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.214 * [backup-simplify]: Simplify (- 0) into 0
0.214 * [backup-simplify]: Simplify (+ 0 0) into 0
0.215 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* (/ 1 y) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.216 * [backup-simplify]: Simplify (+ (* -2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 -1))))) into 0
0.216 * [taylor]: Taking taylor expansion of 0 in y
0.216 * [backup-simplify]: Simplify 0 into 0
0.217 * [backup-simplify]: Simplify 0 into 0
0.217 * [backup-simplify]: Simplify (+ (* 2.0 (pow (* 1 (/ 1 (/ 1 (- x)))) 2)) (* (- 2.0) (* (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x)))))) into (- (* 2.0 (pow x 2)) (* 2.0 (* x y)))
0.217 * * * [progress]: simplifying candidates
0.218 * [simplify]: Simplifying:
  (expm1 (* (* x (- x y)) 2.0))
  (log1p (* (* x (- x y)) 2.0))
  (* (* x (- x y)) 2.0)
  (* (* x (- x y)) 2.0)
  (+ (+ (log x) (log (- x y))) (log 2.0))
  (+ (log (* x (- x y))) (log 2.0))
  (log (* (* x (- x y)) 2.0))
  (exp (* (* x (- x y)) 2.0))
  (* (* (* (* x x) x) (* (* (- x y) (- x y)) (- x y))) (* (* 2.0 2.0) 2.0))
  (* (* (* (* x (- x y)) (* x (- x y))) (* x (- x y))) (* (* 2.0 2.0) 2.0))
  (* (cbrt (* (* x (- x y)) 2.0)) (cbrt (* (* x (- x y)) 2.0)))
  (cbrt (* (* x (- x y)) 2.0))
  (* (* (* (* x (- x y)) 2.0) (* (* x (- x y)) 2.0)) (* (* x (- x y)) 2.0))
  (sqrt (* (* x (- x y)) 2.0))
  (sqrt (* (* x (- x y)) 2.0))
  (* (* x (- x y)) (* (cbrt 2.0) (cbrt 2.0)))
  (* (* x (- x y)) (sqrt 2.0))
  (* (* x (- x y)) 1)
  (* (- x y) 2.0)
  (* (* x (- (pow x 3) (pow y 3))) 2.0)
  (* (* x (- (* x x) (* y y))) 2.0)
  (- (* 2.0 (pow x 2)) (* 2.0 (* x y)))
  (- (* 2.0 (pow x 2)) (* 2.0 (* x y)))
  (- (* 2.0 (pow x 2)) (* 2.0 (* x y)))
0.218 * * [simplify]: Extracting # 0 : cost  0
0.218 * * [simplify]: Extracting # 1 : cost  0
0.218 * * [simplify]: Extracting # 2 : cost  0
0.218 * * [simplify]: Extracting # 3 : cost  0
0.218 * * [simplify]: Extracting # 4 : cost  0
0.218 * * [simplify]: Extracting # 5 : cost  0
0.219 * * [simplify]: Extracting # 6 : cost  0
0.219 * * [simplify]: Extracting # 7 : cost  0
0.219 * * [simplify]: iteration  0 :  57  enodes  (cost  261 )
0.232 * * [simplify]: Extracting # 0 : cost  0
0.232 * * [simplify]: Extracting # 1 : cost  0
0.232 * * [simplify]: Extracting # 2 : cost  0
0.233 * * [simplify]: Extracting # 3 : cost  0
0.233 * * [simplify]: Extracting # 4 : cost  0
0.233 * * [simplify]: iteration  1 :  152  enodes  (cost  248 )
0.305 * * [simplify]: Extracting # 0 : cost  0
0.306 * * [simplify]: Extracting # 1 : cost  0
0.306 * * [simplify]: Extracting # 2 : cost  0
0.307 * * [simplify]: Extracting # 3 : cost  0
0.307 * * [simplify]: Extracting # 4 : cost  0
0.308 * * [simplify]: iteration  2 :  560  enodes  (cost  202 )
1.000 * * [simplify]: Extracting # 0 : cost  0
1.004 * * [simplify]: Extracting # 1 : cost  0
1.006 * * [simplify]: Extracting # 2 : cost  0
1.009 * * [simplify]: Extracting # 3 : cost  0
1.011 * * [simplify]: Extracting # 4 : cost  0
1.014 * * [simplify]: iteration  3 :  2600  enodes  (cost  202 )
2.015 * * [simplify]: Extracting # 0 : cost  0
2.020 * * [simplify]: Extracting # 1 : cost  0
2.025 * * [simplify]: Extracting # 2 : cost  0
2.030 * * [simplify]: Extracting # 3 : cost  0
2.035 * * [simplify]: Extracting # 4 : cost  0
2.044 * * [simplify]: iteration done:  5001  enodes  (cost  202 )
2.044 * [simplify]: Simplified to:
  (expm1 (* (* x (- x y)) 2.0))
  (log1p (* (* x (- x y)) 2.0))
  (* (* x (- x y)) 2.0)
  (* (* x (- x y)) 2.0)
  (log (* (* x (- x y)) 2.0))
  (log (* (* x (- x y)) 2.0))
  (log (* (* x (- x y)) 2.0))
  (exp (* (* x (- x y)) 2.0))
  (pow (* (* x (- x y)) 2.0) 3)
  (pow (* (* x (- x y)) 2.0) 3)
  (* (cbrt (* (* x (- x y)) 2.0)) (cbrt (* (* x (- x y)) 2.0)))
  (cbrt (* (* x (- x y)) 2.0))
  (pow (* (* x (- x y)) 2.0) 3)
  (sqrt (* (* x (- x y)) 2.0))
  (sqrt (* (* x (- x y)) 2.0))
  (* (* x (- x y)) (* (cbrt 2.0) (cbrt 2.0)))
  (* (* x (- x y)) (sqrt 2.0))
  (* x (- x y))
  (* (- x y) 2.0)
  (* (* x (- (pow x 3) (pow y 3))) 2.0)
  (* (* x (- (* x x) (* y y))) 2.0)
  (* (* x (- x y)) 2.0)
  (* (* x (- x y)) 2.0)
  (* (* x (- x y)) 2.0)
2.044 * * * [progress]: adding candidates to table
2.076 * * [progress]: iteration 2 / 4
2.076 * * * [progress]: picking best candidate
2.077 * * * * [pick]: Picked  #<alt (λ (x y) (* x (* (- x y) 2.0)))>
2.077 * * * [progress]: localizing error
2.082 * * * [progress]: generating rewritten candidates
2.082 * * * [progress]: generating series expansions
2.082 * * * [progress]: simplifying candidates
2.082 * [simplify]: Simplifying:
  
2.082 * * [simplify]: Extracting # 0 : cost  0
2.082 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
2.082 * * [simplify]: Extracting # 0 : cost  0
2.082 * * [simplify]: iteration done:  0  enodes  (cost  0 )
2.082 * [simplify]: Simplified to:
  
2.082 * * * [progress]: adding candidates to table
2.082 * [progress]: [Phase 3 of 3] Extracting.
2.084 * [simplify]: Simplifying:
  (* x (* (- x y) 2.0))
2.084 * * [simplify]: Extracting # 0 : cost  0
2.084 * * [simplify]: Extracting # 1 : cost  0
2.084 * * [simplify]: Extracting # 2 : cost  0
2.084 * * [simplify]: Extracting # 3 : cost  0
2.084 * * [simplify]: Extracting # 4 : cost  0
2.084 * * [simplify]: Extracting # 5 : cost  0
2.084 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
2.084 * * [simplify]: Extracting # 0 : cost  0
2.084 * * [simplify]: iteration  1 :  8  enodes  (cost  7 )
2.085 * * [simplify]: Extracting # 0 : cost  0
2.085 * * [simplify]: iteration done:  8  enodes  (cost  7 )
2.085 * [simplify]: Simplified to:
  (* x (* (- x y) 2.0))
2.633 * [regime-testing]: End program error score: 0.02737842230278785
2.650 * [regime-testing]: Target error score: 0.011376422052756595