54.166 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.039 * * * [progress]: [2/2] Setting up program.
0.044 * [progress]: [Phase 2 of 3] Improving.
0.045 * [simplify]: Simplifying:
  (* 2.0 (- (* x x) (* x y)))
0.045 * * [simplify]: Extracting # 0 : cost  0
0.045 * * [simplify]: Extracting # 1 : cost  0
0.045 * * [simplify]: Extracting # 2 : cost  0
0.045 * * [simplify]: Extracting # 3 : cost  0
0.045 * * [simplify]: Extracting # 4 : cost  0
0.045 * * [simplify]: Extracting # 5 : cost  0
0.045 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.048 * * [simplify]: Extracting # 0 : cost  0
0.048 * * [simplify]: Extracting # 1 : cost  0
0.048 * * [simplify]: Extracting # 2 : cost  0
0.048 * * [simplify]: Extracting # 3 : cost  0
0.048 * * [simplify]: iteration  1 :  13  enodes  (cost  7 )
0.052 * * [simplify]: Extracting # 0 : cost  0
0.053 * * [simplify]: Extracting # 1 : cost  0
0.053 * * [simplify]: Extracting # 2 : cost  0
0.053 * * [simplify]: iteration  2 :  32  enodes  (cost  7 )
0.066 * * [simplify]: Extracting # 0 : cost  0
0.066 * * [simplify]: Extracting # 1 : cost  0
0.066 * * [simplify]: Extracting # 2 : cost  0
0.066 * * [simplify]: iteration  3 :  66  enodes  (cost  7 )
0.103 * * [simplify]: Extracting # 0 : cost  0
0.103 * * [simplify]: Extracting # 1 : cost  0
0.103 * * [simplify]: Extracting # 2 : cost  0
0.104 * * [simplify]: iteration  4 :  97  enodes  (cost  7 )
0.138 * * [simplify]: Extracting # 0 : cost  0
0.138 * * [simplify]: Extracting # 1 : cost  0
0.138 * * [simplify]: Extracting # 2 : cost  0
0.139 * * [simplify]: iteration  5 :  113  enodes  (cost  7 )
0.175 * * [simplify]: Extracting # 0 : cost  0
0.175 * * [simplify]: iteration  6 :  115  enodes  (cost  7 )
0.208 * * [simplify]: Extracting # 0 : cost  0
0.208 * * [simplify]: iteration done:  115  enodes  (cost  7 )
0.208 * [simplify]: Simplified to:
  (* (* x (- x y)) 2.0)
0.215 * * [progress]: iteration 1 / 4
0.215 * * * [progress]: picking best candidate
0.219 * * * * [pick]: Picked  #<alt (λ (x y) (* (* x (- x y)) 2.0))>
0.220 * * * [progress]: localizing error
0.240 * * * [progress]: generating rewritten candidates
0.240 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.308 * * * [progress]: generating series expansions
0.308 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.308 * [backup-simplify]: Simplify (* (* x (- x y)) 2.0) into (* 2.0 (* x (- x y)))
0.309 * [approximate]: Taking taylor expansion of (* 2.0 (* x (- x y))) in (x y) around 0
0.309 * [taylor]: Taking taylor expansion of (* 2.0 (* x (- x y))) in y
0.309 * [taylor]: Taking taylor expansion of 2.0 in y
0.309 * [backup-simplify]: Simplify 2.0 into 2.0
0.309 * [taylor]: Taking taylor expansion of (* x (- x y)) in y
0.309 * [taylor]: Taking taylor expansion of x in y
0.309 * [backup-simplify]: Simplify x into x
0.309 * [taylor]: Taking taylor expansion of (- x y) in y
0.309 * [taylor]: Taking taylor expansion of x in y
0.309 * [backup-simplify]: Simplify x into x
0.309 * [taylor]: Taking taylor expansion of y in y
0.309 * [backup-simplify]: Simplify 0 into 0
0.309 * [backup-simplify]: Simplify 1 into 1
0.309 * [taylor]: Taking taylor expansion of (* 2.0 (* x (- x y))) in x
0.309 * [taylor]: Taking taylor expansion of 2.0 in x
0.309 * [backup-simplify]: Simplify 2.0 into 2.0
0.309 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.309 * [taylor]: Taking taylor expansion of x in x
0.309 * [backup-simplify]: Simplify 0 into 0
0.309 * [backup-simplify]: Simplify 1 into 1
0.309 * [taylor]: Taking taylor expansion of (- x y) in x
0.309 * [taylor]: Taking taylor expansion of x in x
0.309 * [backup-simplify]: Simplify 0 into 0
0.309 * [backup-simplify]: Simplify 1 into 1
0.309 * [taylor]: Taking taylor expansion of y in x
0.309 * [backup-simplify]: Simplify y into y
0.309 * [taylor]: Taking taylor expansion of (* 2.0 (* x (- x y))) in x
0.309 * [taylor]: Taking taylor expansion of 2.0 in x
0.309 * [backup-simplify]: Simplify 2.0 into 2.0
0.309 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.309 * [taylor]: Taking taylor expansion of x in x
0.310 * [backup-simplify]: Simplify 0 into 0
0.310 * [backup-simplify]: Simplify 1 into 1
0.310 * [taylor]: Taking taylor expansion of (- x y) in x
0.310 * [taylor]: Taking taylor expansion of x in x
0.310 * [backup-simplify]: Simplify 0 into 0
0.310 * [backup-simplify]: Simplify 1 into 1
0.310 * [taylor]: Taking taylor expansion of y in x
0.310 * [backup-simplify]: Simplify y into y
0.310 * [backup-simplify]: Simplify (- y) into (- y)
0.310 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y)
0.310 * [backup-simplify]: Simplify (* 0 (- y)) into 0
0.311 * [backup-simplify]: Simplify (* 2.0 0) into 0
0.311 * [taylor]: Taking taylor expansion of 0 in y
0.311 * [backup-simplify]: Simplify 0 into 0
0.311 * [backup-simplify]: Simplify 0 into 0
0.312 * [backup-simplify]: Simplify (- 0) into 0
0.312 * [backup-simplify]: Simplify (+ 1 0) into 1
0.313 * [backup-simplify]: Simplify (+ (* 0 1) (* 1 (- y))) into (- y)
0.313 * [backup-simplify]: Simplify (+ (* 2.0 (- y)) (* 0 0)) into (- (* 2.0 y))
0.313 * [taylor]: Taking taylor expansion of (- (* 2.0 y)) in y
0.313 * [taylor]: Taking taylor expansion of (* 2.0 y) in y
0.313 * [taylor]: Taking taylor expansion of 2.0 in y
0.313 * [backup-simplify]: Simplify 2.0 into 2.0
0.313 * [taylor]: Taking taylor expansion of y in y
0.313 * [backup-simplify]: Simplify 0 into 0
0.313 * [backup-simplify]: Simplify 1 into 1
0.314 * [backup-simplify]: Simplify (* 2.0 0) into 0
0.314 * [backup-simplify]: Simplify (- 0) into 0
0.314 * [backup-simplify]: Simplify 0 into 0
0.314 * [backup-simplify]: Simplify 0 into 0
0.315 * [backup-simplify]: Simplify (- 0) into 0
0.315 * [backup-simplify]: Simplify (+ 0 0) into 0
0.316 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 1) (* 0 (- y)))) into 1
0.317 * [backup-simplify]: Simplify (+ (* 2.0 1) (+ (* 0 (- y)) (* 0 0))) into 2.0
0.317 * [taylor]: Taking taylor expansion of 2.0 in y
0.317 * [backup-simplify]: Simplify 2.0 into 2.0
0.317 * [backup-simplify]: Simplify 2.0 into 2.0
0.319 * [backup-simplify]: Simplify (+ (* 2.0 1) (* 0 0)) into 2.0
0.319 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)
0.320 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)
0.320 * [backup-simplify]: Simplify 0 into 0
0.320 * [backup-simplify]: Simplify (- 0) into 0
0.321 * [backup-simplify]: Simplify (+ 0 0) into 0
0.323 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 (- y))))) into 0
0.324 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 1) (+ (* 0 (- y)) (* 0 0)))) into 0
0.324 * [taylor]: Taking taylor expansion of 0 in y
0.324 * [backup-simplify]: Simplify 0 into 0
0.324 * [backup-simplify]: Simplify 0 into 0
0.324 * [backup-simplify]: Simplify 0 into 0
0.326 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 1) (* 0 0))) into 0
0.326 * [backup-simplify]: Simplify (- 0) into 0
0.326 * [backup-simplify]: Simplify 0 into 0
0.326 * [backup-simplify]: Simplify 0 into 0
0.327 * [backup-simplify]: Simplify (- 0) into 0
0.327 * [backup-simplify]: Simplify (+ 0 0) into 0
0.329 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 (- y)))))) into 0
0.330 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 1) (+ (* 0 (- y)) (* 0 0))))) into 0
0.331 * [taylor]: Taking taylor expansion of 0 in y
0.331 * [backup-simplify]: Simplify 0 into 0
0.331 * [backup-simplify]: Simplify 0 into 0
0.331 * [backup-simplify]: Simplify (+ (* (- 2.0) (* y x)) (* 2.0 (pow (* 1 x) 2))) into (- (* 2.0 (pow x 2)) (* 2.0 (* x y)))
0.332 * [backup-simplify]: Simplify (* (* (/ 1 x) (- (/ 1 x) (/ 1 y))) 2.0) into (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x))
0.332 * [approximate]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in (x y) around 0
0.332 * [taylor]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in y
0.332 * [taylor]: Taking taylor expansion of 2.0 in y
0.332 * [backup-simplify]: Simplify 2.0 into 2.0
0.332 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in y
0.332 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.332 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.332 * [taylor]: Taking taylor expansion of x in y
0.332 * [backup-simplify]: Simplify x into x
0.332 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.332 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.332 * [taylor]: Taking taylor expansion of y in y
0.332 * [backup-simplify]: Simplify 0 into 0
0.332 * [backup-simplify]: Simplify 1 into 1
0.333 * [backup-simplify]: Simplify (/ 1 1) into 1
0.333 * [taylor]: Taking taylor expansion of x in y
0.333 * [backup-simplify]: Simplify x into x
0.333 * [backup-simplify]: Simplify (- 1) into -1
0.334 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.334 * [backup-simplify]: Simplify (/ -1 x) into (/ -1 x)
0.334 * [taylor]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in x
0.334 * [taylor]: Taking taylor expansion of 2.0 in x
0.334 * [backup-simplify]: Simplify 2.0 into 2.0
0.334 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
0.334 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.334 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.334 * [taylor]: Taking taylor expansion of x in x
0.334 * [backup-simplify]: Simplify 0 into 0
0.334 * [backup-simplify]: Simplify 1 into 1
0.334 * [backup-simplify]: Simplify (/ 1 1) into 1
0.334 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.334 * [taylor]: Taking taylor expansion of y in x
0.335 * [backup-simplify]: Simplify y into y
0.335 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.335 * [taylor]: Taking taylor expansion of x in x
0.335 * [backup-simplify]: Simplify 0 into 0
0.335 * [backup-simplify]: Simplify 1 into 1
0.335 * [backup-simplify]: Simplify (+ 1 0) into 1
0.336 * [backup-simplify]: Simplify (/ 1 1) into 1
0.336 * [taylor]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in x
0.336 * [taylor]: Taking taylor expansion of 2.0 in x
0.336 * [backup-simplify]: Simplify 2.0 into 2.0
0.336 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
0.336 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.336 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.336 * [taylor]: Taking taylor expansion of x in x
0.336 * [backup-simplify]: Simplify 0 into 0
0.336 * [backup-simplify]: Simplify 1 into 1
0.337 * [backup-simplify]: Simplify (/ 1 1) into 1
0.337 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.337 * [taylor]: Taking taylor expansion of y in x
0.337 * [backup-simplify]: Simplify y into y
0.337 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.337 * [taylor]: Taking taylor expansion of x in x
0.337 * [backup-simplify]: Simplify 0 into 0
0.337 * [backup-simplify]: Simplify 1 into 1
0.337 * [backup-simplify]: Simplify (+ 1 0) into 1
0.338 * [backup-simplify]: Simplify (/ 1 1) into 1
0.338 * [backup-simplify]: Simplify (* 2.0 1) into 2.0
0.338 * [taylor]: Taking taylor expansion of 2.0 in y
0.339 * [backup-simplify]: Simplify 2.0 into 2.0
0.339 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.339 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
0.340 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
0.340 * [backup-simplify]: Simplify (- (/ (- (/ 1 y)) 1) (+ (* 1 (/ 0 1)))) into (- (/ 1 y))
0.341 * [backup-simplify]: Simplify (+ (* 2.0 (- (/ 1 y))) (* 0 1)) into (- (* 2.0 (/ 1 y)))
0.341 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.341 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.341 * [taylor]: Taking taylor expansion of 2.0 in y
0.341 * [backup-simplify]: Simplify 2.0 into 2.0
0.341 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.341 * [taylor]: Taking taylor expansion of y in y
0.341 * [backup-simplify]: Simplify 0 into 0
0.341 * [backup-simplify]: Simplify 1 into 1
0.342 * [backup-simplify]: Simplify (/ 1 1) into 1
0.342 * [backup-simplify]: Simplify (* 2.0 1) into 2.0
0.342 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)
0.343 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)
0.343 * [backup-simplify]: Simplify 2.0 into 2.0
0.344 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.344 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.344 * [backup-simplify]: Simplify (- 0) into 0
0.345 * [backup-simplify]: Simplify (+ 0 0) into 0
0.346 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)) (* (- (/ 1 y)) (/ 0 1)))) into 0
0.347 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 (- (/ 1 y))) (* 0 1))) into 0
0.347 * [taylor]: Taking taylor expansion of 0 in y
0.347 * [backup-simplify]: Simplify 0 into 0
0.348 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.349 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 1)) into 0
0.349 * [backup-simplify]: Simplify (- 0) into 0
0.349 * [backup-simplify]: Simplify 0 into 0
0.349 * [backup-simplify]: Simplify 0 into 0
0.350 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.351 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.351 * [backup-simplify]: Simplify (- 0) into 0
0.352 * [backup-simplify]: Simplify (+ 0 0) into 0
0.354 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)) (* (- (/ 1 y)) (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.355 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1)))) into 0
0.355 * [taylor]: Taking taylor expansion of 0 in y
0.355 * [backup-simplify]: Simplify 0 into 0
0.355 * [backup-simplify]: Simplify 0 into 0
0.356 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.357 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 1))) into 0
0.357 * [backup-simplify]: Simplify (- 0) into 0
0.357 * [backup-simplify]: Simplify 0 into 0
0.358 * [backup-simplify]: Simplify 0 into 0
0.359 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.359 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.359 * [backup-simplify]: Simplify (- 0) into 0
0.360 * [backup-simplify]: Simplify (+ 0 0) into 0
0.362 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)) (* (- (/ 1 y)) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.364 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1))))) into 0
0.364 * [taylor]: Taking taylor expansion of 0 in y
0.364 * [backup-simplify]: Simplify 0 into 0
0.364 * [backup-simplify]: Simplify 0 into 0
0.365 * [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)))
0.365 * [backup-simplify]: Simplify (* (* (/ 1 (- x)) (- (/ 1 (- x)) (/ 1 (- y)))) 2.0) into (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x))
0.365 * [approximate]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in (x y) around 0
0.365 * [taylor]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in y
0.365 * [taylor]: Taking taylor expansion of -2.0 in y
0.365 * [backup-simplify]: Simplify -2.0 into -2.0
0.365 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in y
0.365 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.365 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.365 * [taylor]: Taking taylor expansion of y in y
0.366 * [backup-simplify]: Simplify 0 into 0
0.366 * [backup-simplify]: Simplify 1 into 1
0.366 * [backup-simplify]: Simplify (/ 1 1) into 1
0.366 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.366 * [taylor]: Taking taylor expansion of x in y
0.366 * [backup-simplify]: Simplify x into x
0.366 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.366 * [taylor]: Taking taylor expansion of x in y
0.366 * [backup-simplify]: Simplify x into x
0.367 * [backup-simplify]: Simplify (+ 1 0) into 1
0.367 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.367 * [taylor]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in x
0.367 * [taylor]: Taking taylor expansion of -2.0 in x
0.367 * [backup-simplify]: Simplify -2.0 into -2.0
0.367 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in x
0.367 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.367 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.367 * [taylor]: Taking taylor expansion of y in x
0.367 * [backup-simplify]: Simplify y into y
0.367 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.367 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.367 * [taylor]: Taking taylor expansion of x in x
0.367 * [backup-simplify]: Simplify 0 into 0
0.367 * [backup-simplify]: Simplify 1 into 1
0.368 * [backup-simplify]: Simplify (/ 1 1) into 1
0.368 * [taylor]: Taking taylor expansion of x in x
0.368 * [backup-simplify]: Simplify 0 into 0
0.368 * [backup-simplify]: Simplify 1 into 1
0.368 * [backup-simplify]: Simplify (- 1) into -1
0.368 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.369 * [backup-simplify]: Simplify (/ -1 1) into -1
0.369 * [taylor]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in x
0.369 * [taylor]: Taking taylor expansion of -2.0 in x
0.369 * [backup-simplify]: Simplify -2.0 into -2.0
0.369 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in x
0.369 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.369 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.369 * [taylor]: Taking taylor expansion of y in x
0.369 * [backup-simplify]: Simplify y into y
0.369 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.369 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.369 * [taylor]: Taking taylor expansion of x in x
0.369 * [backup-simplify]: Simplify 0 into 0
0.369 * [backup-simplify]: Simplify 1 into 1
0.370 * [backup-simplify]: Simplify (/ 1 1) into 1
0.370 * [taylor]: Taking taylor expansion of x in x
0.370 * [backup-simplify]: Simplify 0 into 0
0.370 * [backup-simplify]: Simplify 1 into 1
0.370 * [backup-simplify]: Simplify (- 1) into -1
0.371 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.371 * [backup-simplify]: Simplify (/ -1 1) into -1
0.372 * [backup-simplify]: Simplify (* -2.0 -1) into 2.0
0.372 * [taylor]: Taking taylor expansion of 2.0 in y
0.372 * [backup-simplify]: Simplify 2.0 into 2.0
0.373 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.373 * [backup-simplify]: Simplify (- 0) into 0
0.373 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
0.374 * [backup-simplify]: Simplify (- (/ (/ 1 y) 1) (+ (* -1 (/ 0 1)))) into (/ 1 y)
0.374 * [backup-simplify]: Simplify (+ (* -2.0 (/ 1 y)) (* 0 -1)) into (- (* 2.0 (/ 1 y)))
0.374 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.374 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.374 * [taylor]: Taking taylor expansion of 2.0 in y
0.375 * [backup-simplify]: Simplify 2.0 into 2.0
0.375 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.375 * [taylor]: Taking taylor expansion of y in y
0.375 * [backup-simplify]: Simplify 0 into 0
0.375 * [backup-simplify]: Simplify 1 into 1
0.375 * [backup-simplify]: Simplify (/ 1 1) into 1
0.375 * [backup-simplify]: Simplify (* 2.0 1) into 2.0
0.381 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)
0.382 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)
0.382 * [backup-simplify]: Simplify 2.0 into 2.0
0.382 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.383 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.383 * [backup-simplify]: Simplify (- 0) into 0
0.384 * [backup-simplify]: Simplify (+ 0 0) into 0
0.385 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* (/ 1 y) (/ 0 1)))) into 0
0.386 * [backup-simplify]: Simplify (+ (* -2.0 0) (+ (* 0 (/ 1 y)) (* 0 -1))) into 0
0.386 * [taylor]: Taking taylor expansion of 0 in y
0.386 * [backup-simplify]: Simplify 0 into 0
0.387 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.389 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 1)) into 0
0.390 * [backup-simplify]: Simplify (- 0) into 0
0.390 * [backup-simplify]: Simplify 0 into 0
0.390 * [backup-simplify]: Simplify 0 into 0
0.390 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.391 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.392 * [backup-simplify]: Simplify (- 0) into 0
0.392 * [backup-simplify]: Simplify (+ 0 0) into 0
0.395 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* (/ 1 y) (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.397 * [backup-simplify]: Simplify (+ (* -2.0 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 -1)))) into 0
0.397 * [taylor]: Taking taylor expansion of 0 in y
0.397 * [backup-simplify]: Simplify 0 into 0
0.397 * [backup-simplify]: Simplify 0 into 0
0.398 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.399 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 1))) into 0
0.400 * [backup-simplify]: Simplify (- 0) into 0
0.400 * [backup-simplify]: Simplify 0 into 0
0.400 * [backup-simplify]: Simplify 0 into 0
0.400 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.401 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.401 * [backup-simplify]: Simplify (- 0) into 0
0.402 * [backup-simplify]: Simplify (+ 0 0) into 0
0.404 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* (/ 1 y) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.406 * [backup-simplify]: Simplify (+ (* -2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 -1))))) into 0
0.406 * [taylor]: Taking taylor expansion of 0 in y
0.406 * [backup-simplify]: Simplify 0 into 0
0.406 * [backup-simplify]: Simplify 0 into 0
0.407 * [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)))
0.407 * * * [progress]: simplifying candidates
0.408 * [simplify]: Simplifying:
  (* (* 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)))
0.409 * * [simplify]: Extracting # 0 : cost  0
0.409 * * [simplify]: Extracting # 1 : cost  0
0.409 * * [simplify]: Extracting # 2 : cost  0
0.409 * * [simplify]: Extracting # 3 : cost  0
0.409 * * [simplify]: Extracting # 4 : cost  0
0.410 * * [simplify]: Extracting # 5 : cost  0
0.410 * * [simplify]: Extracting # 6 : cost  0
0.410 * * [simplify]: Extracting # 7 : cost  0
0.410 * * [simplify]: iteration  0 :  55  enodes  (cost  245 )
0.436 * * [simplify]: Extracting # 0 : cost  0
0.436 * * [simplify]: Extracting # 1 : cost  0
0.437 * * [simplify]: Extracting # 2 : cost  0
0.437 * * [simplify]: Extracting # 3 : cost  0
0.437 * * [simplify]: Extracting # 4 : cost  0
0.438 * * [simplify]: iteration  1 :  153  enodes  (cost  232 )
0.597 * * [simplify]: Extracting # 0 : cost  0
0.598 * * [simplify]: Extracting # 1 : cost  0
0.601 * * [simplify]: Extracting # 2 : cost  0
0.603 * * [simplify]: Extracting # 3 : cost  0
0.605 * * [simplify]: Extracting # 4 : cost  0
0.607 * * [simplify]: iteration  2 :  903  enodes  (cost  190 )
1.407 * * [simplify]: Extracting # 0 : cost  0
1.433 * * [simplify]: Extracting # 1 : cost  0
1.448 * * [simplify]: Extracting # 2 : cost  0
1.469 * * [simplify]: Extracting # 3 : cost  0
1.483 * * [simplify]: Extracting # 4 : cost  0
1.498 * * [simplify]: iteration done:  5000  enodes  (cost  190 )
1.499 * [simplify]: Simplified to:
  (* 2.0 (* x (- x y)))
  (* 2.0 (* x (- x y)))
  (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 y) 3) (pow x 3)) (pow 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))
  (* (* (cbrt 2.0) (cbrt 2.0)) (* x (- x y)))
  (* (sqrt 2.0) (* x (- x y)))
  (* 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)
1.499 * * * [progress]: adding candidates to table
1.601 * * [progress]: iteration 2 / 4
1.601 * * * [progress]: picking best candidate
1.606 * * * * [pick]: Picked  #<alt (λ (x y) (* x (* (- x y) 2.0)))>
1.606 * * * [progress]: localizing error
1.618 * * * [progress]: generating rewritten candidates
1.619 * * * [progress]: generating series expansions
1.619 * * * [progress]: simplifying candidates
1.619 * [simplify]: Simplifying:
  
1.619 * * [simplify]: Extracting # 0 : cost  0
1.619 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
1.619 * * [simplify]: Extracting # 0 : cost  0
1.619 * * [simplify]: iteration done:  0  enodes  (cost  0 )
1.619 * [simplify]: Simplified to:
  
1.619 * * * [progress]: adding candidates to table
1.620 * [progress]: [Phase 3 of 3] Extracting.
1.624 * [simplify]: Simplifying:
  (* x (* (- x y) 2.0))
1.624 * * [simplify]: Extracting # 0 : cost  0
1.624 * * [simplify]: Extracting # 1 : cost  0
1.624 * * [simplify]: Extracting # 2 : cost  0
1.624 * * [simplify]: Extracting # 3 : cost  0
1.624 * * [simplify]: Extracting # 4 : cost  0
1.624 * * [simplify]: Extracting # 5 : cost  0
1.624 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
1.625 * * [simplify]: Extracting # 0 : cost  0
1.625 * * [simplify]: iteration  1 :  8  enodes  (cost  7 )
1.625 * * [simplify]: Extracting # 0 : cost  0
1.625 * * [simplify]: iteration done:  8  enodes  (cost  7 )
1.625 * [simplify]: Simplified to:
  (* x (* (- x y) 2.0))
3.679 * [regime-testing]: Baseline error score: 0.02587823477934742
3.683 * [regime-testing]: Oracle error score: 0.02587823477934742
3.683 * [regime-testing]: End program error score: 0.02587823477934742
3.793 * [regime-testing]: Target error score: 0.009876234529316165