0.677 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.311 * * * [progress]: [2/2] Setting up program.
0.314 * [progress]: [Phase 2 of 3] Improving.
0.317 * [simplify]: Simplifying:
  (* 0.5 (- (* x x) y))
0.317 * * [simplify]: Extracting # 0 : cost  0
0.318 * * [simplify]: Extracting # 1 : cost  0
0.318 * * [simplify]: Extracting # 2 : cost  0
0.318 * * [simplify]: Extracting # 3 : cost  0
0.318 * * [simplify]: Extracting # 4 : cost  0
0.318 * * [simplify]: Extracting # 5 : cost  0
0.318 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.323 * * [simplify]: Extracting # 0 : cost  0
0.323 * * [simplify]: Extracting # 1 : cost  0
0.323 * * [simplify]: Extracting # 2 : cost  0
0.323 * * [simplify]: iteration  1 :  9  enodes  (cost  7 )
0.324 * * [simplify]: Extracting # 0 : cost  0
0.324 * * [simplify]: Extracting # 1 : cost  0
0.324 * * [simplify]: Extracting # 2 : cost  0
0.324 * * [simplify]: iteration  2 :  16  enodes  (cost  7 )
0.328 * * [simplify]: Extracting # 0 : cost  0
0.328 * * [simplify]: Extracting # 1 : cost  0
0.328 * * [simplify]: Extracting # 2 : cost  0
0.328 * * [simplify]: iteration  3 :  26  enodes  (cost  7 )
0.333 * * [simplify]: Extracting # 0 : cost  0
0.333 * * [simplify]: Extracting # 1 : cost  0
0.333 * * [simplify]: Extracting # 2 : cost  0
0.333 * * [simplify]: iteration  4 :  33  enodes  (cost  7 )
0.339 * * [simplify]: Extracting # 0 : cost  0
0.339 * * [simplify]: iteration done:  33  enodes  (cost  7 )
0.340 * [simplify]: Simplified to:
  (* 0.5 (- (* x x) y))
0.341 * * [progress]: iteration 1 / 4
0.341 * * * [progress]: picking best candidate
0.342 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (- (* x x) y)))>
0.342 * * * [progress]: localizing error
0.373 * * * [progress]: generating rewritten candidates
0.373 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2)
0.384 * * * [progress]: generating series expansions
0.385 * * * * [progress]: [ 1 / 1 ] generating series at (2 2)
0.389 * [backup-simplify]: Simplify (- (* x x) y) into (- (pow x 2) y)
0.389 * [approximate]: Taking taylor expansion of (- (pow x 2) y) in (x y) around 0
0.390 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in y
0.390 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.390 * [taylor]: Taking taylor expansion of x in y
0.390 * [backup-simplify]: Simplify x into x
0.390 * [taylor]: Taking taylor expansion of y in y
0.390 * [backup-simplify]: Simplify 0 into 0
0.390 * [backup-simplify]: Simplify 1 into 1
0.391 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x
0.391 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.391 * [taylor]: Taking taylor expansion of x in x
0.391 * [backup-simplify]: Simplify 0 into 0
0.391 * [backup-simplify]: Simplify 1 into 1
0.391 * [taylor]: Taking taylor expansion of y in x
0.391 * [backup-simplify]: Simplify y into y
0.391 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x
0.391 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.391 * [taylor]: Taking taylor expansion of x in x
0.391 * [backup-simplify]: Simplify 0 into 0
0.391 * [backup-simplify]: Simplify 1 into 1
0.391 * [taylor]: Taking taylor expansion of y in x
0.391 * [backup-simplify]: Simplify y into y
0.391 * [backup-simplify]: Simplify (- y) into (- y)
0.392 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y)
0.392 * [taylor]: Taking taylor expansion of (- y) in y
0.392 * [taylor]: Taking taylor expansion of y in y
0.392 * [backup-simplify]: Simplify 0 into 0
0.392 * [backup-simplify]: Simplify 1 into 1
0.392 * [backup-simplify]: Simplify (- 0) into 0
0.392 * [backup-simplify]: Simplify 0 into 0
0.393 * [backup-simplify]: Simplify (- 0) into 0
0.393 * [backup-simplify]: Simplify (+ 0 0) into 0
0.393 * [taylor]: Taking taylor expansion of 0 in y
0.393 * [backup-simplify]: Simplify 0 into 0
0.393 * [backup-simplify]: Simplify 0 into 0
0.393 * [backup-simplify]: Simplify (- 1) into -1
0.393 * [backup-simplify]: Simplify -1 into -1
0.394 * [backup-simplify]: Simplify (* 1 1) into 1
0.394 * [backup-simplify]: Simplify (- 0) into 0
0.394 * [backup-simplify]: Simplify (+ 1 0) into 1
0.394 * [taylor]: Taking taylor expansion of 1 in y
0.394 * [backup-simplify]: Simplify 1 into 1
0.394 * [backup-simplify]: Simplify 1 into 1
0.394 * [backup-simplify]: Simplify 0 into 0
0.395 * [backup-simplify]: Simplify (- 0) into 0
0.395 * [backup-simplify]: Simplify 0 into 0
0.395 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.395 * [backup-simplify]: Simplify (- 0) into 0
0.395 * [backup-simplify]: Simplify (+ 0 0) into 0
0.395 * [taylor]: Taking taylor expansion of 0 in y
0.395 * [backup-simplify]: Simplify 0 into 0
0.395 * [backup-simplify]: Simplify 0 into 0
0.395 * [backup-simplify]: Simplify 0 into 0
0.395 * [backup-simplify]: Simplify 0 into 0
0.396 * [backup-simplify]: Simplify (- 0) into 0
0.396 * [backup-simplify]: Simplify 0 into 0
0.396 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 x) 2)) (* -1 (* y 1))) into (- (pow x 2) y)
0.396 * [backup-simplify]: Simplify (- (* (/ 1 x) (/ 1 x)) (/ 1 y)) into (- (/ 1 (pow x 2)) (/ 1 y))
0.396 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.396 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.396 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.397 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.397 * [taylor]: Taking taylor expansion of x in y
0.397 * [backup-simplify]: Simplify x into x
0.397 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.397 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.397 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.397 * [taylor]: Taking taylor expansion of y in y
0.397 * [backup-simplify]: Simplify 0 into 0
0.397 * [backup-simplify]: Simplify 1 into 1
0.397 * [backup-simplify]: Simplify (/ 1 1) into 1
0.397 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.397 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.397 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.397 * [taylor]: Taking taylor expansion of x in x
0.397 * [backup-simplify]: Simplify 0 into 0
0.397 * [backup-simplify]: Simplify 1 into 1
0.397 * [backup-simplify]: Simplify (* 1 1) into 1
0.398 * [backup-simplify]: Simplify (/ 1 1) into 1
0.398 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.398 * [taylor]: Taking taylor expansion of y in x
0.398 * [backup-simplify]: Simplify y into y
0.398 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.398 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.398 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.398 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.398 * [taylor]: Taking taylor expansion of x in x
0.398 * [backup-simplify]: Simplify 0 into 0
0.398 * [backup-simplify]: Simplify 1 into 1
0.398 * [backup-simplify]: Simplify (* 1 1) into 1
0.398 * [backup-simplify]: Simplify (/ 1 1) into 1
0.398 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.398 * [taylor]: Taking taylor expansion of y in x
0.398 * [backup-simplify]: Simplify y into y
0.398 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.399 * [backup-simplify]: Simplify (+ 1 0) into 1
0.399 * [taylor]: Taking taylor expansion of 1 in y
0.399 * [backup-simplify]: Simplify 1 into 1
0.399 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.400 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.400 * [backup-simplify]: Simplify (+ 0 0) into 0
0.400 * [taylor]: Taking taylor expansion of 0 in y
0.400 * [backup-simplify]: Simplify 0 into 0
0.400 * [backup-simplify]: Simplify 1 into 1
0.400 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.401 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.401 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
0.401 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
0.401 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.401 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.401 * [taylor]: Taking taylor expansion of y in y
0.401 * [backup-simplify]: Simplify 0 into 0
0.401 * [backup-simplify]: Simplify 1 into 1
0.401 * [backup-simplify]: Simplify (/ 1 1) into 1
0.402 * [backup-simplify]: Simplify (- 1) into -1
0.402 * [backup-simplify]: Simplify -1 into -1
0.402 * [backup-simplify]: Simplify 0 into 0
0.402 * [backup-simplify]: Simplify 0 into 0
0.402 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.403 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.403 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.403 * [backup-simplify]: Simplify (- 0) into 0
0.403 * [backup-simplify]: Simplify (+ 0 0) into 0
0.403 * [taylor]: Taking taylor expansion of 0 in y
0.403 * [backup-simplify]: Simplify 0 into 0
0.404 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.404 * [backup-simplify]: Simplify (- 0) into 0
0.405 * [backup-simplify]: Simplify 0 into 0
0.405 * [backup-simplify]: Simplify 0 into 0
0.405 * [backup-simplify]: Simplify 0 into 0
0.406 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.406 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.406 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.407 * [backup-simplify]: Simplify (- 0) into 0
0.407 * [backup-simplify]: Simplify (+ 0 0) into 0
0.407 * [taylor]: Taking taylor expansion of 0 in y
0.407 * [backup-simplify]: Simplify 0 into 0
0.407 * [backup-simplify]: Simplify 0 into 0
0.407 * [backup-simplify]: Simplify (+ (* -1 (* (/ 1 (/ 1 y)) 1)) (* 1 (pow (* 1 (/ 1 (/ 1 x))) 2))) into (- (pow x 2) y)
0.407 * [backup-simplify]: Simplify (- (* (/ 1 (- x)) (/ 1 (- x))) (/ 1 (- y))) into (+ (/ 1 (pow x 2)) (/ 1 y))
0.408 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.408 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.408 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.408 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.408 * [taylor]: Taking taylor expansion of x in y
0.408 * [backup-simplify]: Simplify x into x
0.408 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.408 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.408 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.408 * [taylor]: Taking taylor expansion of y in y
0.408 * [backup-simplify]: Simplify 0 into 0
0.408 * [backup-simplify]: Simplify 1 into 1
0.408 * [backup-simplify]: Simplify (/ 1 1) into 1
0.408 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.408 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.408 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.408 * [taylor]: Taking taylor expansion of x in x
0.408 * [backup-simplify]: Simplify 0 into 0
0.408 * [backup-simplify]: Simplify 1 into 1
0.408 * [backup-simplify]: Simplify (* 1 1) into 1
0.409 * [backup-simplify]: Simplify (/ 1 1) into 1
0.409 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.409 * [taylor]: Taking taylor expansion of y in x
0.409 * [backup-simplify]: Simplify y into y
0.409 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.409 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.409 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.409 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.409 * [taylor]: Taking taylor expansion of x in x
0.409 * [backup-simplify]: Simplify 0 into 0
0.409 * [backup-simplify]: Simplify 1 into 1
0.409 * [backup-simplify]: Simplify (* 1 1) into 1
0.409 * [backup-simplify]: Simplify (/ 1 1) into 1
0.409 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.409 * [taylor]: Taking taylor expansion of y in x
0.409 * [backup-simplify]: Simplify y into y
0.409 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.410 * [backup-simplify]: Simplify (+ 1 0) into 1
0.410 * [taylor]: Taking taylor expansion of 1 in y
0.410 * [backup-simplify]: Simplify 1 into 1
0.410 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.410 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.411 * [backup-simplify]: Simplify (+ 0 0) into 0
0.411 * [taylor]: Taking taylor expansion of 0 in y
0.411 * [backup-simplify]: Simplify 0 into 0
0.411 * [backup-simplify]: Simplify 1 into 1
0.411 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.412 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.412 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
0.412 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.412 * [taylor]: Taking taylor expansion of y in y
0.412 * [backup-simplify]: Simplify 0 into 0
0.412 * [backup-simplify]: Simplify 1 into 1
0.412 * [backup-simplify]: Simplify (/ 1 1) into 1
0.412 * [backup-simplify]: Simplify 1 into 1
0.412 * [backup-simplify]: Simplify 0 into 0
0.412 * [backup-simplify]: Simplify 0 into 0
0.413 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.413 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.413 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.413 * [backup-simplify]: Simplify (+ 0 0) into 0
0.413 * [taylor]: Taking taylor expansion of 0 in y
0.413 * [backup-simplify]: Simplify 0 into 0
0.414 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.414 * [backup-simplify]: Simplify 0 into 0
0.414 * [backup-simplify]: Simplify 0 into 0
0.414 * [backup-simplify]: Simplify 0 into 0
0.414 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.415 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.415 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.415 * [backup-simplify]: Simplify (+ 0 0) into 0
0.415 * [taylor]: Taking taylor expansion of 0 in y
0.415 * [backup-simplify]: Simplify 0 into 0
0.415 * [backup-simplify]: Simplify 0 into 0
0.416 * [backup-simplify]: Simplify (+ (* 1 (* (/ 1 (/ 1 (- y))) 1)) (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 2))) into (- (pow x 2) y)
0.416 * * * [progress]: simplifying candidates
0.416 * [simplify]: Simplifying:
  (/ (exp (* x x)) (exp y))
  (log (- (* x x) y))
  (exp (- (* x x) y))
  (* (cbrt (- (* x x) y)) (cbrt (- (* x x) y)))
  (cbrt (- (* x x) y))
  (* (* (- (* x x) y) (- (* x x) y)) (- (* x x) y))
  (sqrt (- (* x x) y))
  (sqrt (- (* x x) y))
  (- (pow (* x x) 3) (pow y 3))
  (+ (* (* x x) (* x x)) (+ (* y y) (* (* x x) y)))
  (- y)
  (- (* (* x x) (* x x)) (* y y))
  (+ (* x x) y)
  (+ x (sqrt y))
  (- x (sqrt y))
  (- y)
  (- (pow x 2) y)
  (- (pow x 2) y)
  (- (pow x 2) y)
0.417 * * [simplify]: Extracting # 0 : cost  0
0.417 * * [simplify]: Extracting # 1 : cost  0
0.417 * * [simplify]: Extracting # 2 : cost  0
0.417 * * [simplify]: Extracting # 3 : cost  0
0.417 * * [simplify]: Extracting # 4 : cost  0
0.417 * * [simplify]: Extracting # 5 : cost  0
0.417 * * [simplify]: iteration  0 :  32  enodes  (cost  136 )
0.424 * * [simplify]: Extracting # 0 : cost  0
0.424 * * [simplify]: Extracting # 1 : cost  0
0.424 * * [simplify]: Extracting # 2 : cost  0
0.424 * * [simplify]: Extracting # 3 : cost  0
0.424 * * [simplify]: Extracting # 4 : cost  0
0.424 * * [simplify]: iteration  1 :  73  enodes  (cost  133 )
0.443 * * [simplify]: Extracting # 0 : cost  0
0.443 * * [simplify]: Extracting # 1 : cost  0
0.443 * * [simplify]: Extracting # 2 : cost  0
0.443 * * [simplify]: Extracting # 3 : cost  0
0.444 * * [simplify]: Extracting # 4 : cost  0
0.444 * * [simplify]: iteration  2 :  163  enodes  (cost  113 )
0.487 * * [simplify]: Extracting # 0 : cost  0
0.487 * * [simplify]: Extracting # 1 : cost  0
0.487 * * [simplify]: Extracting # 2 : cost  0
0.488 * * [simplify]: Extracting # 3 : cost  0
0.488 * * [simplify]: Extracting # 4 : cost  0
0.488 * * [simplify]: iteration  3 :  332  enodes  (cost  113 )
0.586 * * [simplify]: Extracting # 0 : cost  0
0.586 * * [simplify]: Extracting # 1 : cost  0
0.587 * * [simplify]: Extracting # 2 : cost  0
0.588 * * [simplify]: Extracting # 3 : cost  0
0.588 * * [simplify]: Extracting # 4 : cost  0
0.589 * * [simplify]: iteration  4 :  769  enodes  (cost  113 )
0.943 * * [simplify]: Extracting # 0 : cost  0
0.946 * * [simplify]: Extracting # 1 : cost  0
0.948 * * [simplify]: Extracting # 2 : cost  0
0.950 * * [simplify]: Extracting # 3 : cost  0
0.953 * * [simplify]: Extracting # 4 : cost  0
0.955 * * [simplify]: iteration  5 :  2422  enodes  (cost  113 )
1.833 * * [simplify]: Extracting # 0 : cost  0
1.838 * * [simplify]: Extracting # 1 : cost  0
1.844 * * [simplify]: Extracting # 2 : cost  0
1.850 * * [simplify]: Extracting # 3 : cost  0
1.855 * * [simplify]: Extracting # 4 : cost  0
1.861 * * [simplify]: iteration done:  5000  enodes  (cost  113 )
1.861 * [simplify]: Simplified to:
  (exp (- (* x x) y))
  (log (- (* x x) y))
  (exp (- (* x x) y))
  (* (cbrt (- (* x x) y)) (cbrt (- (* x x) y)))
  (cbrt (- (* x x) y))
  (pow (- (* x x) y) 3)
  (sqrt (- (* x x) y))
  (sqrt (- (* x x) y))
  (- (pow x 6) (pow y 3))
  (+ (* y (+ (* x x) y)) (pow x 4))
  (- y)
  (- (pow x 4) (* y y))
  (+ (* x x) y)
  (+ x (sqrt y))
  (- x (sqrt y))
  (- y)
  (- (* x x) y)
  (- (* x x) y)
  (- (* x x) y)
1.861 * * * [progress]: adding candidates to table
1.891 * [progress]: [Phase 3 of 3] Extracting.
1.893 * [simplify]: Simplifying:
  (* 0.5 (- (* x x) y))
1.893 * * [simplify]: Extracting # 0 : cost  0
1.893 * * [simplify]: Extracting # 1 : cost  0
1.893 * * [simplify]: Extracting # 2 : cost  0
1.893 * * [simplify]: Extracting # 3 : cost  0
1.893 * * [simplify]: Extracting # 4 : cost  0
1.893 * * [simplify]: Extracting # 5 : cost  0
1.893 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
1.894 * * [simplify]: Extracting # 0 : cost  0
1.894 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
1.894 * * [simplify]: Extracting # 0 : cost  0
1.894 * * [simplify]: iteration done:  7  enodes  (cost  7 )
1.894 * [simplify]: Simplified to:
  (* 0.5 (- (* x x) y))
2.325 * [regime-testing]: End program error score: 0.021075754781937888