69.542 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.036 * * * [progress]: [2/2] Setting up program.
0.040 * [progress]: [Phase 2 of 3] Improving.
0.041 * [simplify]: Simplifying:
  (* 2.0 (- (* x x) (* x y)))
0.041 * * [simplify]: Extracting # 0 : cost  0
0.041 * * [simplify]: Extracting # 1 : cost  0
0.041 * * [simplify]: Extracting # 2 : cost  0
0.041 * * [simplify]: Extracting # 3 : cost  0
0.041 * * [simplify]: Extracting # 4 : cost  0
0.041 * * [simplify]: Extracting # 5 : cost  0
0.041 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.043 * * [simplify]: Extracting # 0 : cost  0
0.043 * * [simplify]: Extracting # 1 : cost  0
0.043 * * [simplify]: Extracting # 2 : cost  0
0.043 * * [simplify]: Extracting # 3 : cost  0
0.043 * * [simplify]: iteration  1 :  14  enodes  (cost  7 )
0.048 * * [simplify]: Extracting # 0 : cost  0
0.048 * * [simplify]: Extracting # 1 : cost  0
0.048 * * [simplify]: Extracting # 2 : cost  0
0.048 * * [simplify]: iteration  2 :  33  enodes  (cost  7 )
0.060 * * [simplify]: Extracting # 0 : cost  0
0.060 * * [simplify]: Extracting # 1 : cost  0
0.060 * * [simplify]: Extracting # 2 : cost  0
0.060 * * [simplify]: iteration  3 :  73  enodes  (cost  7 )
0.102 * * [simplify]: Extracting # 0 : cost  0
0.102 * * [simplify]: Extracting # 1 : cost  0
0.102 * * [simplify]: Extracting # 2 : cost  0
0.103 * * [simplify]: iteration  4 :  110  enodes  (cost  7 )
0.146 * * [simplify]: Extracting # 0 : cost  0
0.146 * * [simplify]: iteration  5 :  122  enodes  (cost  7 )
0.195 * * [simplify]: Extracting # 0 : cost  0
0.195 * * [simplify]: iteration  6 :  124  enodes  (cost  7 )
0.248 * * [simplify]: Extracting # 0 : cost  0
0.249 * * [simplify]: iteration done:  124  enodes  (cost  7 )
0.249 * [simplify]: Simplified to:
  (* (* x (- x y)) 2.0)
0.257 * * [progress]: iteration 1 / 4
0.257 * * * [progress]: picking best candidate
0.262 * * * * [pick]: Picked  #<alt (λ (x y) (* (* x (- x y)) 2.0))>
0.262 * * * [progress]: localizing error
0.279 * * * [progress]: generating rewritten candidates
0.279 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.353 * * * [progress]: generating series expansions
0.353 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.353 * [backup-simplify]: Simplify (* (* x (- x y)) 2.0) into (* 2.0 (* x (- x y)))
0.353 * [approximate]: Taking taylor expansion of (* 2.0 (* x (- x y))) in (x y) around 0
0.353 * [taylor]: Taking taylor expansion of (* 2.0 (* x (- x y))) in y
0.353 * [taylor]: Taking taylor expansion of 2.0 in y
0.353 * [backup-simplify]: Simplify 2.0 into 2.0
0.353 * [taylor]: Taking taylor expansion of (* x (- x y)) in y
0.353 * [taylor]: Taking taylor expansion of x in y
0.353 * [backup-simplify]: Simplify x into x
0.353 * [taylor]: Taking taylor expansion of (- x y) in y
0.353 * [taylor]: Taking taylor expansion of x in y
0.354 * [backup-simplify]: Simplify x into x
0.354 * [taylor]: Taking taylor expansion of y in y
0.354 * [backup-simplify]: Simplify 0 into 0
0.354 * [backup-simplify]: Simplify 1 into 1
0.354 * [taylor]: Taking taylor expansion of (* 2.0 (* x (- x y))) in x
0.354 * [taylor]: Taking taylor expansion of 2.0 in x
0.354 * [backup-simplify]: Simplify 2.0 into 2.0
0.354 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.354 * [taylor]: Taking taylor expansion of x in x
0.354 * [backup-simplify]: Simplify 0 into 0
0.354 * [backup-simplify]: Simplify 1 into 1
0.354 * [taylor]: Taking taylor expansion of (- x y) in x
0.354 * [taylor]: Taking taylor expansion of x in x
0.354 * [backup-simplify]: Simplify 0 into 0
0.354 * [backup-simplify]: Simplify 1 into 1
0.354 * [taylor]: Taking taylor expansion of y in x
0.354 * [backup-simplify]: Simplify y into y
0.354 * [taylor]: Taking taylor expansion of (* 2.0 (* x (- x y))) in x
0.354 * [taylor]: Taking taylor expansion of 2.0 in x
0.354 * [backup-simplify]: Simplify 2.0 into 2.0
0.354 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.354 * [taylor]: Taking taylor expansion of x in x
0.354 * [backup-simplify]: Simplify 0 into 0
0.354 * [backup-simplify]: Simplify 1 into 1
0.354 * [taylor]: Taking taylor expansion of (- x y) in x
0.354 * [taylor]: Taking taylor expansion of x in x
0.354 * [backup-simplify]: Simplify 0 into 0
0.354 * [backup-simplify]: Simplify 1 into 1
0.354 * [taylor]: Taking taylor expansion of y in x
0.354 * [backup-simplify]: Simplify y into y
0.354 * [backup-simplify]: Simplify (- y) into (- y)
0.355 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y)
0.355 * [backup-simplify]: Simplify (* 0 (- y)) into 0
0.355 * [backup-simplify]: Simplify (* 2.0 0) 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 (- 0) into 0
0.356 * [backup-simplify]: Simplify (+ 1 0) into 1
0.357 * [backup-simplify]: Simplify (+ (* 0 1) (* 1 (- y))) into (- y)
0.357 * [backup-simplify]: Simplify (+ (* 2.0 (- y)) (* 0 0)) into (- (* 2.0 y))
0.357 * [taylor]: Taking taylor expansion of (- (* 2.0 y)) in y
0.358 * [taylor]: Taking taylor expansion of (* 2.0 y) in y
0.358 * [taylor]: Taking taylor expansion of 2.0 in y
0.358 * [backup-simplify]: Simplify 2.0 into 2.0
0.358 * [taylor]: Taking taylor expansion of y in y
0.358 * [backup-simplify]: Simplify 0 into 0
0.358 * [backup-simplify]: Simplify 1 into 1
0.358 * [backup-simplify]: Simplify (* 2.0 0) into 0
0.359 * [backup-simplify]: Simplify (- 0) into 0
0.359 * [backup-simplify]: Simplify 0 into 0
0.359 * [backup-simplify]: Simplify 0 into 0
0.359 * [backup-simplify]: Simplify (- 0) into 0
0.360 * [backup-simplify]: Simplify (+ 0 0) into 0
0.360 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 1) (* 0 (- y)))) into 1
0.368 * [backup-simplify]: Simplify (+ (* 2.0 1) (+ (* 0 (- y)) (* 0 0))) into 2.0
0.368 * [taylor]: Taking taylor expansion of 2.0 in y
0.368 * [backup-simplify]: Simplify 2.0 into 2.0
0.368 * [backup-simplify]: Simplify 2.0 into 2.0
0.370 * [backup-simplify]: Simplify (+ (* 2.0 1) (* 0 0)) into 2.0
0.370 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)
0.371 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)
0.371 * [backup-simplify]: Simplify 0 into 0
0.371 * [backup-simplify]: Simplify (- 0) into 0
0.372 * [backup-simplify]: Simplify (+ 0 0) into 0
0.373 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 (- y))))) into 0
0.375 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 1) (+ (* 0 (- y)) (* 0 0)))) into 0
0.375 * [taylor]: Taking taylor expansion of 0 in y
0.375 * [backup-simplify]: Simplify 0 into 0
0.375 * [backup-simplify]: Simplify 0 into 0
0.375 * [backup-simplify]: Simplify 0 into 0
0.376 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 1) (* 0 0))) into 0
0.377 * [backup-simplify]: Simplify (- 0) into 0
0.377 * [backup-simplify]: Simplify 0 into 0
0.377 * [backup-simplify]: Simplify 0 into 0
0.377 * [backup-simplify]: Simplify (- 0) into 0
0.378 * [backup-simplify]: Simplify (+ 0 0) into 0
0.379 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 (- y)))))) into 0
0.381 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 1) (+ (* 0 (- y)) (* 0 0))))) into 0
0.381 * [taylor]: Taking taylor expansion of 0 in y
0.381 * [backup-simplify]: Simplify 0 into 0
0.381 * [backup-simplify]: Simplify 0 into 0
0.382 * [backup-simplify]: Simplify (+ (* (- 2.0) (* y x)) (* 2.0 (pow (* 1 x) 2))) into (- (* 2.0 (pow x 2)) (* 2.0 (* x y)))
0.382 * [backup-simplify]: Simplify (* (* (/ 1 x) (- (/ 1 x) (/ 1 y))) 2.0) into (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x))
0.382 * [approximate]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in (x y) around 0
0.382 * [taylor]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in y
0.382 * [taylor]: Taking taylor expansion of 2.0 in y
0.382 * [backup-simplify]: Simplify 2.0 into 2.0
0.382 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in y
0.383 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.383 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.383 * [taylor]: Taking taylor expansion of x in y
0.383 * [backup-simplify]: Simplify x into x
0.383 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.383 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.383 * [taylor]: Taking taylor expansion of y in y
0.383 * [backup-simplify]: Simplify 0 into 0
0.383 * [backup-simplify]: Simplify 1 into 1
0.383 * [backup-simplify]: Simplify (/ 1 1) into 1
0.383 * [taylor]: Taking taylor expansion of x in y
0.383 * [backup-simplify]: Simplify x into x
0.384 * [backup-simplify]: Simplify (- 1) into -1
0.384 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.384 * [backup-simplify]: Simplify (/ -1 x) into (/ -1 x)
0.384 * [taylor]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in x
0.384 * [taylor]: Taking taylor expansion of 2.0 in x
0.384 * [backup-simplify]: Simplify 2.0 into 2.0
0.384 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
0.384 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.384 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.384 * [taylor]: Taking taylor expansion of x in x
0.384 * [backup-simplify]: Simplify 0 into 0
0.384 * [backup-simplify]: Simplify 1 into 1
0.385 * [backup-simplify]: Simplify (/ 1 1) into 1
0.385 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.385 * [taylor]: Taking taylor expansion of y in x
0.385 * [backup-simplify]: Simplify y into y
0.385 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.385 * [taylor]: Taking taylor expansion of x in x
0.385 * [backup-simplify]: Simplify 0 into 0
0.385 * [backup-simplify]: Simplify 1 into 1
0.386 * [backup-simplify]: Simplify (+ 1 0) into 1
0.386 * [backup-simplify]: Simplify (/ 1 1) into 1
0.386 * [taylor]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in x
0.386 * [taylor]: Taking taylor expansion of 2.0 in x
0.386 * [backup-simplify]: Simplify 2.0 into 2.0
0.386 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
0.386 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.386 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.386 * [taylor]: Taking taylor expansion of x in x
0.386 * [backup-simplify]: Simplify 0 into 0
0.386 * [backup-simplify]: Simplify 1 into 1
0.387 * [backup-simplify]: Simplify (/ 1 1) into 1
0.387 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.387 * [taylor]: Taking taylor expansion of y in x
0.387 * [backup-simplify]: Simplify y into y
0.387 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.387 * [taylor]: Taking taylor expansion of x in x
0.387 * [backup-simplify]: Simplify 0 into 0
0.387 * [backup-simplify]: Simplify 1 into 1
0.388 * [backup-simplify]: Simplify (+ 1 0) into 1
0.388 * [backup-simplify]: Simplify (/ 1 1) into 1
0.389 * [backup-simplify]: Simplify (* 2.0 1) into 2.0
0.389 * [taylor]: Taking taylor expansion of 2.0 in y
0.389 * [backup-simplify]: Simplify 2.0 into 2.0
0.390 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.390 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
0.390 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
0.391 * [backup-simplify]: Simplify (- (/ (- (/ 1 y)) 1) (+ (* 1 (/ 0 1)))) into (- (/ 1 y))
0.391 * [backup-simplify]: Simplify (+ (* 2.0 (- (/ 1 y))) (* 0 1)) into (- (* 2.0 (/ 1 y)))
0.391 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.391 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.391 * [taylor]: Taking taylor expansion of 2.0 in y
0.391 * [backup-simplify]: Simplify 2.0 into 2.0
0.391 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.391 * [taylor]: Taking taylor expansion of y in y
0.391 * [backup-simplify]: Simplify 0 into 0
0.392 * [backup-simplify]: Simplify 1 into 1
0.392 * [backup-simplify]: Simplify (/ 1 1) into 1
0.392 * [backup-simplify]: Simplify (* 2.0 1) into 2.0
0.393 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)
0.393 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)
0.393 * [backup-simplify]: Simplify 2.0 into 2.0
0.394 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.394 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.395 * [backup-simplify]: Simplify (- 0) into 0
0.395 * [backup-simplify]: Simplify (+ 0 0) into 0
0.397 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)) (* (- (/ 1 y)) (/ 0 1)))) into 0
0.398 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 (- (/ 1 y))) (* 0 1))) into 0
0.398 * [taylor]: Taking taylor expansion of 0 in y
0.398 * [backup-simplify]: Simplify 0 into 0
0.399 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.399 * [backup-simplify]: Simplify (+ (* 2.0 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
0.401 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.401 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) 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)))) into 0
0.405 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1)))) into 0
0.405 * [taylor]: Taking taylor expansion of 0 in y
0.405 * [backup-simplify]: Simplify 0 into 0
0.405 * [backup-simplify]: Simplify 0 into 0
0.406 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.407 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 1))) into 0
0.408 * [backup-simplify]: Simplify (- 0) into 0
0.408 * [backup-simplify]: Simplify 0 into 0
0.408 * [backup-simplify]: Simplify 0 into 0
0.409 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.409 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.410 * [backup-simplify]: Simplify (- 0) into 0
0.410 * [backup-simplify]: Simplify (+ 0 0) into 0
0.413 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)) (* (- (/ 1 y)) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.414 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1))))) into 0
0.414 * [taylor]: Taking taylor expansion of 0 in y
0.414 * [backup-simplify]: Simplify 0 into 0
0.415 * [backup-simplify]: Simplify 0 into 0
0.415 * [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)))
0.416 * [backup-simplify]: Simplify (* (* (/ 1 (- x)) (- (/ 1 (- x)) (/ 1 (- y)))) 2.0) into (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x))
0.416 * [approximate]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in (x y) around 0
0.416 * [taylor]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in y
0.416 * [taylor]: Taking taylor expansion of -2.0 in y
0.416 * [backup-simplify]: Simplify -2.0 into -2.0
0.416 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in y
0.416 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.416 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.416 * [taylor]: Taking taylor expansion of y in y
0.416 * [backup-simplify]: Simplify 0 into 0
0.416 * [backup-simplify]: Simplify 1 into 1
0.416 * [backup-simplify]: Simplify (/ 1 1) into 1
0.417 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.417 * [taylor]: Taking taylor expansion of x in y
0.417 * [backup-simplify]: Simplify x into x
0.417 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.417 * [taylor]: Taking taylor expansion of x in y
0.417 * [backup-simplify]: Simplify x into x
0.417 * [backup-simplify]: Simplify (+ 1 0) into 1
0.417 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.417 * [taylor]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in x
0.417 * [taylor]: Taking taylor expansion of -2.0 in x
0.417 * [backup-simplify]: Simplify -2.0 into -2.0
0.417 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in x
0.417 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.417 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.417 * [taylor]: Taking taylor expansion of y in x
0.418 * [backup-simplify]: Simplify y into y
0.418 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.418 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.418 * [taylor]: Taking taylor expansion of x in x
0.418 * [backup-simplify]: Simplify 0 into 0
0.418 * [backup-simplify]: Simplify 1 into 1
0.418 * [backup-simplify]: Simplify (/ 1 1) into 1
0.418 * [taylor]: Taking taylor expansion of x in x
0.418 * [backup-simplify]: Simplify 0 into 0
0.418 * [backup-simplify]: Simplify 1 into 1
0.419 * [backup-simplify]: Simplify (- 1) into -1
0.419 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.419 * [backup-simplify]: Simplify (/ -1 1) into -1
0.419 * [taylor]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in x
0.420 * [taylor]: Taking taylor expansion of -2.0 in x
0.420 * [backup-simplify]: Simplify -2.0 into -2.0
0.420 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in x
0.420 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.420 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.420 * [taylor]: Taking taylor expansion of y in x
0.420 * [backup-simplify]: Simplify y into y
0.420 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.420 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.420 * [taylor]: Taking taylor expansion of x in x
0.420 * [backup-simplify]: Simplify 0 into 0
0.420 * [backup-simplify]: Simplify 1 into 1
0.420 * [backup-simplify]: Simplify (/ 1 1) into 1
0.420 * [taylor]: Taking taylor expansion of x in x
0.420 * [backup-simplify]: Simplify 0 into 0
0.420 * [backup-simplify]: Simplify 1 into 1
0.421 * [backup-simplify]: Simplify (- 1) into -1
0.421 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.422 * [backup-simplify]: Simplify (/ -1 1) into -1
0.422 * [backup-simplify]: Simplify (* -2.0 -1) into 2.0
0.422 * [taylor]: Taking taylor expansion of 2.0 in y
0.422 * [backup-simplify]: Simplify 2.0 into 2.0
0.423 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.423 * [backup-simplify]: Simplify (- 0) into 0
0.424 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
0.424 * [backup-simplify]: Simplify (- (/ (/ 1 y) 1) (+ (* -1 (/ 0 1)))) into (/ 1 y)
0.425 * [backup-simplify]: Simplify (+ (* -2.0 (/ 1 y)) (* 0 -1)) into (- (* 2.0 (/ 1 y)))
0.425 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.425 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.425 * [taylor]: Taking taylor expansion of 2.0 in y
0.425 * [backup-simplify]: Simplify 2.0 into 2.0
0.425 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.425 * [taylor]: Taking taylor expansion of y in y
0.425 * [backup-simplify]: Simplify 0 into 0
0.425 * [backup-simplify]: Simplify 1 into 1
0.426 * [backup-simplify]: Simplify (/ 1 1) into 1
0.426 * [backup-simplify]: Simplify (* 2.0 1) into 2.0
0.426 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)
0.427 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)
0.427 * [backup-simplify]: Simplify 2.0 into 2.0
0.427 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.428 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.428 * [backup-simplify]: Simplify (- 0) into 0
0.429 * [backup-simplify]: Simplify (+ 0 0) into 0
0.430 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* (/ 1 y) (/ 0 1)))) into 0
0.431 * [backup-simplify]: Simplify (+ (* -2.0 0) (+ (* 0 (/ 1 y)) (* 0 -1))) into 0
0.431 * [taylor]: Taking taylor expansion of 0 in y
0.431 * [backup-simplify]: Simplify 0 into 0
0.432 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.433 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 1)) into 0
0.433 * [backup-simplify]: Simplify (- 0) into 0
0.433 * [backup-simplify]: Simplify 0 into 0
0.433 * [backup-simplify]: Simplify 0 into 0
0.434 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.435 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.435 * [backup-simplify]: Simplify (- 0) into 0
0.435 * [backup-simplify]: Simplify (+ 0 0) into 0
0.437 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* (/ 1 y) (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.439 * [backup-simplify]: Simplify (+ (* -2.0 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 -1)))) into 0
0.439 * [taylor]: Taking taylor expansion of 0 in y
0.439 * [backup-simplify]: Simplify 0 into 0
0.439 * [backup-simplify]: Simplify 0 into 0
0.440 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.441 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 1))) into 0
0.441 * [backup-simplify]: Simplify (- 0) into 0
0.441 * [backup-simplify]: Simplify 0 into 0
0.441 * [backup-simplify]: Simplify 0 into 0
0.442 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.443 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.443 * [backup-simplify]: Simplify (- 0) into 0
0.443 * [backup-simplify]: Simplify (+ 0 0) into 0
0.446 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* (/ 1 y) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.448 * [backup-simplify]: Simplify (+ (* -2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 -1))))) into 0
0.448 * [taylor]: Taking taylor expansion of 0 in y
0.448 * [backup-simplify]: Simplify 0 into 0
0.448 * [backup-simplify]: Simplify 0 into 0
0.449 * [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)))
0.449 * * * [progress]: simplifying candidates
0.450 * [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)))
0.451 * * [simplify]: Extracting # 0 : cost  0
0.451 * * [simplify]: Extracting # 1 : cost  0
0.451 * * [simplify]: Extracting # 2 : cost  0
0.451 * * [simplify]: Extracting # 3 : cost  0
0.452 * * [simplify]: Extracting # 4 : cost  0
0.452 * * [simplify]: Extracting # 5 : cost  0
0.452 * * [simplify]: Extracting # 6 : cost  0
0.452 * * [simplify]: Extracting # 7 : cost  0
0.452 * * [simplify]: iteration  0 :  57  enodes  (cost  261 )
0.478 * * [simplify]: Extracting # 0 : cost  0
0.479 * * [simplify]: Extracting # 1 : cost  0
0.479 * * [simplify]: Extracting # 2 : cost  0
0.479 * * [simplify]: Extracting # 3 : cost  0
0.480 * * [simplify]: Extracting # 4 : cost  0
0.480 * * [simplify]: iteration  1 :  157  enodes  (cost  248 )
0.662 * * [simplify]: Extracting # 0 : cost  0
0.664 * * [simplify]: Extracting # 1 : cost  0
0.666 * * [simplify]: Extracting # 2 : cost  0
0.668 * * [simplify]: Extracting # 3 : cost  0
0.670 * * [simplify]: Extracting # 4 : cost  0
0.673 * * [simplify]: iteration  2 :  920  enodes  (cost  202 )
1.529 * * [simplify]: Extracting # 0 : cost  0
1.547 * * [simplify]: Extracting # 1 : cost  0
1.562 * * [simplify]: Extracting # 2 : cost  0
1.581 * * [simplify]: Extracting # 3 : cost  0
1.594 * * [simplify]: Extracting # 4 : cost  0
1.607 * * [simplify]: iteration done:  5001  enodes  (cost  202 )
1.608 * [simplify]: Simplified to:
  (expm1 (* (* x (- x y)) 2.0))
  (log1p (* (* x (- x y)) 2.0))
  (* (* 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 (- 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))
  (* (* (cbrt 2.0) (cbrt 2.0)) (* x (- x y)))
  (* (sqrt 2.0) (* x (- x y)))
  (* (- x y) x)
  (* (- 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)
1.608 * * * [progress]: adding candidates to table
1.738 * * [progress]: iteration 2 / 4
1.738 * * * [progress]: picking best candidate
1.745 * * * * [pick]: Picked  #<alt (λ (x y) (pow (* (* 2.0 x) (- x y)) 1))>
1.745 * * * [progress]: localizing error
1.766 * * * [progress]: generating rewritten candidates
1.766 * * * [progress]: generating series expansions
1.766 * * * [progress]: simplifying candidates
1.767 * [simplify]: Simplifying:
  
1.767 * * [simplify]: Extracting # 0 : cost  0
1.767 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
1.767 * * [simplify]: Extracting # 0 : cost  0
1.767 * * [simplify]: iteration done:  0  enodes  (cost  0 )
1.767 * [simplify]: Simplified to:
  
1.767 * * * [progress]: adding candidates to table
1.767 * [progress]: [Phase 3 of 3] Extracting.
1.773 * [simplify]: Simplifying:
  (pow (* (* 2.0 x) (- x y)) 1)
1.773 * * [simplify]: Extracting # 0 : cost  0
1.774 * * [simplify]: Extracting # 1 : cost  0
1.774 * * [simplify]: Extracting # 2 : cost  0
1.774 * * [simplify]: Extracting # 3 : cost  0
1.774 * * [simplify]: Extracting # 4 : cost  0
1.774 * * [simplify]: Extracting # 5 : cost  0
1.774 * * [simplify]: iteration  0 :  8  enodes  (cost  9 )
1.775 * * [simplify]: Extracting # 0 : cost  0
1.775 * * [simplify]: iteration  1 :  12  enodes  (cost  7 )
1.776 * * [simplify]: Extracting # 0 : cost  0
1.776 * * [simplify]: iteration done:  12  enodes  (cost  7 )
1.776 * [simplify]: Simplified to:
  (* (* 2.0 x) (- x y))
3.431 * [regime-testing]: Baseline error score: 0.009876234529316165
3.436 * [regime-testing]: Oracle error score: 0.009876234529316165
3.436 * [regime-testing]: End program error score: 0.009876234529316165
3.546 * [regime-testing]: Target error score: 0.009876234529316165