105.425 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.015 * * * [progress]: [2/2] Setting up program.
0.017 * [progress]: [Phase 2 of 3] Improving.
0.017 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ x (* (- 1.0 x) (- 1.0 y)))
0.018 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.019 * * [simplify]: iteration  1 :  13  enodes  (cost  9 )
0.020 * * [simplify]: iteration  2 :  27  enodes  (cost  9 )
0.024 * * [simplify]: iteration  3 :  69  enodes  (cost  9 )
0.037 * * [simplify]: iteration  4 :  173  enodes  (cost  9 )
0.068 * * [simplify]: iteration  5 :  386  enodes  (cost  9 )
0.153 * * [simplify]: iteration  6 :  732  enodes  (cost  9 )
0.348 * * [simplify]: iteration  7 :  1547  enodes  (cost  9 )
0.919 * * [simplify]: iteration  8 :  2378  enodes  (cost  9 )
2.330 * * [simplify]: iteration  9 :  3432  enodes  (cost  9 )
5.303 * * [simplify]: iteration  10 :  4329  enodes  (cost  9 )
11.280 * * [simplify]: iteration  done :  5000  enodes  (cost  9 )
11.280 * [simplify]: Simplified to:
   (+ x (* (- 1.0 x) (- 1.0 y)))
11.280 * * [progress]: iteration 1 / 4
11.280 * * * [progress]: picking best candidate
11.281 * * * * [pick]: Picked  #<alt (λ (x y) (+ x (* (- 1.0 x) (- 1.0 y))))>
11.281 * * * [progress]: localizing error
11.287 * * * [progress]: generating rewritten candidates
11.287 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
11.290 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
11.308 * * * [progress]: generating series expansions
11.308 * * * * [progress]: [ 1 / 2 ] generating series at (2)
11.308 * [approximate]: Taking taylor expansion of (- (+ (* x y) 1.0) (* 1.0 y)) in (x y) around 0
11.308 * [taylor]: Taking taylor expansion of (- (+ (* x y) 1.0) (* 1.0 y)) in y
11.308 * [taylor]: Taking taylor expansion of (+ (* x y) 1.0) in y
11.308 * [taylor]: Taking taylor expansion of (* x y) in y
11.308 * [taylor]: Taking taylor expansion of x in y
11.308 * [taylor]: Taking taylor expansion of y in y
11.308 * [taylor]: Taking taylor expansion of 1.0 in y
11.308 * [taylor]: Taking taylor expansion of (* 1.0 y) in y
11.308 * [taylor]: Taking taylor expansion of 1.0 in y
11.308 * [taylor]: Taking taylor expansion of y in y
11.308 * [taylor]: Taking taylor expansion of (- (+ (* x y) 1.0) (* 1.0 y)) in x
11.308 * [taylor]: Taking taylor expansion of (+ (* x y) 1.0) in x
11.308 * [taylor]: Taking taylor expansion of (* x y) in x
11.308 * [taylor]: Taking taylor expansion of x in x
11.308 * [taylor]: Taking taylor expansion of y in x
11.308 * [taylor]: Taking taylor expansion of 1.0 in x
11.308 * [taylor]: Taking taylor expansion of (* 1.0 y) in x
11.308 * [taylor]: Taking taylor expansion of 1.0 in x
11.308 * [taylor]: Taking taylor expansion of y in x
11.308 * [taylor]: Taking taylor expansion of (- (+ (* x y) 1.0) (* 1.0 y)) in x
11.308 * [taylor]: Taking taylor expansion of (+ (* x y) 1.0) in x
11.308 * [taylor]: Taking taylor expansion of (* x y) in x
11.308 * [taylor]: Taking taylor expansion of x in x
11.308 * [taylor]: Taking taylor expansion of y in x
11.308 * [taylor]: Taking taylor expansion of 1.0 in x
11.308 * [taylor]: Taking taylor expansion of (* 1.0 y) in x
11.308 * [taylor]: Taking taylor expansion of 1.0 in x
11.308 * [taylor]: Taking taylor expansion of y in x
11.309 * [taylor]: Taking taylor expansion of (- 1.0 (* 1.0 y)) in y
11.309 * [taylor]: Taking taylor expansion of 1.0 in y
11.309 * [taylor]: Taking taylor expansion of (* 1.0 y) in y
11.309 * [taylor]: Taking taylor expansion of 1.0 in y
11.309 * [taylor]: Taking taylor expansion of y in y
11.311 * [taylor]: Taking taylor expansion of y in y
11.314 * [taylor]: Taking taylor expansion of 0 in y
11.315 * [approximate]: Taking taylor expansion of (- (+ 1.0 (/ 1 (* x y))) (* 1.0 (/ 1 y))) in (x y) around 0
11.315 * [taylor]: Taking taylor expansion of (- (+ 1.0 (/ 1 (* x y))) (* 1.0 (/ 1 y))) in y
11.315 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 (* x y))) in y
11.315 * [taylor]: Taking taylor expansion of 1.0 in y
11.315 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
11.315 * [taylor]: Taking taylor expansion of (* x y) in y
11.315 * [taylor]: Taking taylor expansion of x in y
11.315 * [taylor]: Taking taylor expansion of y in y
11.315 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 y)) in y
11.315 * [taylor]: Taking taylor expansion of 1.0 in y
11.315 * [taylor]: Taking taylor expansion of (/ 1 y) in y
11.315 * [taylor]: Taking taylor expansion of y in y
11.316 * [taylor]: Taking taylor expansion of (- (+ 1.0 (/ 1 (* x y))) (* 1.0 (/ 1 y))) in x
11.316 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 (* x y))) in x
11.316 * [taylor]: Taking taylor expansion of 1.0 in x
11.316 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
11.316 * [taylor]: Taking taylor expansion of (* x y) in x
11.316 * [taylor]: Taking taylor expansion of x in x
11.316 * [taylor]: Taking taylor expansion of y in x
11.316 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 y)) in x
11.316 * [taylor]: Taking taylor expansion of 1.0 in x
11.316 * [taylor]: Taking taylor expansion of (/ 1 y) in x
11.316 * [taylor]: Taking taylor expansion of y in x
11.316 * [taylor]: Taking taylor expansion of (- (+ 1.0 (/ 1 (* x y))) (* 1.0 (/ 1 y))) in x
11.316 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 (* x y))) in x
11.316 * [taylor]: Taking taylor expansion of 1.0 in x
11.316 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
11.316 * [taylor]: Taking taylor expansion of (* x y) in x
11.316 * [taylor]: Taking taylor expansion of x in x
11.316 * [taylor]: Taking taylor expansion of y in x
11.316 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 y)) in x
11.316 * [taylor]: Taking taylor expansion of 1.0 in x
11.316 * [taylor]: Taking taylor expansion of (/ 1 y) in x
11.316 * [taylor]: Taking taylor expansion of y in x
11.317 * [taylor]: Taking taylor expansion of (/ 1 y) in y
11.317 * [taylor]: Taking taylor expansion of y in y
11.318 * [taylor]: Taking taylor expansion of (- 1.0 (* 1.0 (/ 1 y))) in y
11.318 * [taylor]: Taking taylor expansion of 1.0 in y
11.318 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 y)) in y
11.318 * [taylor]: Taking taylor expansion of 1.0 in y
11.318 * [taylor]: Taking taylor expansion of (/ 1 y) in y
11.318 * [taylor]: Taking taylor expansion of y in y
11.322 * [taylor]: Taking taylor expansion of 0 in y
11.323 * [approximate]: Taking taylor expansion of (+ 1.0 (+ (/ 1 (* x y)) (* 1.0 (/ 1 y)))) in (x y) around 0
11.323 * [taylor]: Taking taylor expansion of (+ 1.0 (+ (/ 1 (* x y)) (* 1.0 (/ 1 y)))) in y
11.323 * [taylor]: Taking taylor expansion of 1.0 in y
11.327 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 1.0 (/ 1 y))) in y
11.327 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
11.327 * [taylor]: Taking taylor expansion of (* x y) in y
11.327 * [taylor]: Taking taylor expansion of x in y
11.327 * [taylor]: Taking taylor expansion of y in y
11.327 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 y)) in y
11.327 * [taylor]: Taking taylor expansion of 1.0 in y
11.327 * [taylor]: Taking taylor expansion of (/ 1 y) in y
11.327 * [taylor]: Taking taylor expansion of y in y
11.327 * [taylor]: Taking taylor expansion of (+ 1.0 (+ (/ 1 (* x y)) (* 1.0 (/ 1 y)))) in x
11.327 * [taylor]: Taking taylor expansion of 1.0 in x
11.327 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 1.0 (/ 1 y))) in x
11.327 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
11.327 * [taylor]: Taking taylor expansion of (* x y) in x
11.327 * [taylor]: Taking taylor expansion of x in x
11.327 * [taylor]: Taking taylor expansion of y in x
11.328 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 y)) in x
11.328 * [taylor]: Taking taylor expansion of 1.0 in x
11.328 * [taylor]: Taking taylor expansion of (/ 1 y) in x
11.328 * [taylor]: Taking taylor expansion of y in x
11.328 * [taylor]: Taking taylor expansion of (+ 1.0 (+ (/ 1 (* x y)) (* 1.0 (/ 1 y)))) in x
11.328 * [taylor]: Taking taylor expansion of 1.0 in x
11.328 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 1.0 (/ 1 y))) in x
11.328 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
11.328 * [taylor]: Taking taylor expansion of (* x y) in x
11.328 * [taylor]: Taking taylor expansion of x in x
11.328 * [taylor]: Taking taylor expansion of y in x
11.328 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 y)) in x
11.328 * [taylor]: Taking taylor expansion of 1.0 in x
11.328 * [taylor]: Taking taylor expansion of (/ 1 y) in x
11.328 * [taylor]: Taking taylor expansion of y in x
11.328 * [taylor]: Taking taylor expansion of (/ 1 y) in y
11.328 * [taylor]: Taking taylor expansion of y in y
11.329 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 y)) 1.0) in y
11.329 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 y)) in y
11.329 * [taylor]: Taking taylor expansion of 1.0 in y
11.329 * [taylor]: Taking taylor expansion of (/ 1 y) in y
11.329 * [taylor]: Taking taylor expansion of y in y
11.330 * [taylor]: Taking taylor expansion of 1.0 in y
11.332 * [taylor]: Taking taylor expansion of 0 in y
11.333 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
11.334 * [approximate]: Taking taylor expansion of (* (- 1.0 y) (- 1.0 x)) in (x y) around 0
11.334 * [taylor]: Taking taylor expansion of (* (- 1.0 y) (- 1.0 x)) in y
11.334 * [taylor]: Taking taylor expansion of (- 1.0 y) in y
11.334 * [taylor]: Taking taylor expansion of 1.0 in y
11.334 * [taylor]: Taking taylor expansion of y in y
11.334 * [taylor]: Taking taylor expansion of (- 1.0 x) in y
11.334 * [taylor]: Taking taylor expansion of 1.0 in y
11.334 * [taylor]: Taking taylor expansion of x in y
11.334 * [taylor]: Taking taylor expansion of (* (- 1.0 y) (- 1.0 x)) in x
11.334 * [taylor]: Taking taylor expansion of (- 1.0 y) in x
11.334 * [taylor]: Taking taylor expansion of 1.0 in x
11.334 * [taylor]: Taking taylor expansion of y in x
11.334 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
11.334 * [taylor]: Taking taylor expansion of 1.0 in x
11.334 * [taylor]: Taking taylor expansion of x in x
11.334 * [taylor]: Taking taylor expansion of (* (- 1.0 y) (- 1.0 x)) in x
11.334 * [taylor]: Taking taylor expansion of (- 1.0 y) in x
11.334 * [taylor]: Taking taylor expansion of 1.0 in x
11.334 * [taylor]: Taking taylor expansion of y in x
11.334 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
11.334 * [taylor]: Taking taylor expansion of 1.0 in x
11.334 * [taylor]: Taking taylor expansion of x in x
11.335 * [taylor]: Taking taylor expansion of (* 1.0 (- 1.0 y)) in y
11.335 * [taylor]: Taking taylor expansion of 1.0 in y
11.335 * [taylor]: Taking taylor expansion of (- 1.0 y) in y
11.335 * [taylor]: Taking taylor expansion of 1.0 in y
11.335 * [taylor]: Taking taylor expansion of y in y
11.337 * [taylor]: Taking taylor expansion of (- y 1.0) in y
11.337 * [taylor]: Taking taylor expansion of y in y
11.337 * [taylor]: Taking taylor expansion of 1.0 in y
11.340 * [approximate]: Taking taylor expansion of (* (- 1.0 (/ 1 x)) (- 1.0 (/ 1 y))) in (x y) around 0
11.340 * [taylor]: Taking taylor expansion of (* (- 1.0 (/ 1 x)) (- 1.0 (/ 1 y))) in y
11.340 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in y
11.340 * [taylor]: Taking taylor expansion of 1.0 in y
11.340 * [taylor]: Taking taylor expansion of (/ 1 x) in y
11.340 * [taylor]: Taking taylor expansion of x in y
11.340 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 y)) in y
11.340 * [taylor]: Taking taylor expansion of 1.0 in y
11.340 * [taylor]: Taking taylor expansion of (/ 1 y) in y
11.340 * [taylor]: Taking taylor expansion of y in y
11.341 * [taylor]: Taking taylor expansion of (* (- 1.0 (/ 1 x)) (- 1.0 (/ 1 y))) in x
11.341 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
11.341 * [taylor]: Taking taylor expansion of 1.0 in x
11.341 * [taylor]: Taking taylor expansion of (/ 1 x) in x
11.341 * [taylor]: Taking taylor expansion of x in x
11.341 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 y)) in x
11.341 * [taylor]: Taking taylor expansion of 1.0 in x
11.341 * [taylor]: Taking taylor expansion of (/ 1 y) in x
11.341 * [taylor]: Taking taylor expansion of y in x
11.341 * [taylor]: Taking taylor expansion of (* (- 1.0 (/ 1 x)) (- 1.0 (/ 1 y))) in x
11.341 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
11.341 * [taylor]: Taking taylor expansion of 1.0 in x
11.341 * [taylor]: Taking taylor expansion of (/ 1 x) in x
11.341 * [taylor]: Taking taylor expansion of x in x
11.341 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 y)) in x
11.342 * [taylor]: Taking taylor expansion of 1.0 in x
11.342 * [taylor]: Taking taylor expansion of (/ 1 y) in x
11.342 * [taylor]: Taking taylor expansion of y in x
11.342 * [taylor]: Taking taylor expansion of (* -1 (- 1.0 (/ 1 y))) in y
11.342 * [taylor]: Taking taylor expansion of -1 in y
11.342 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 y)) in y
11.342 * [taylor]: Taking taylor expansion of 1.0 in y
11.342 * [taylor]: Taking taylor expansion of (/ 1 y) in y
11.342 * [taylor]: Taking taylor expansion of y in y
11.345 * [taylor]: Taking taylor expansion of (- 1.0 (* 1.0 (/ 1 y))) in y
11.345 * [taylor]: Taking taylor expansion of 1.0 in y
11.345 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 y)) in y
11.345 * [taylor]: Taking taylor expansion of 1.0 in y
11.345 * [taylor]: Taking taylor expansion of (/ 1 y) in y
11.345 * [taylor]: Taking taylor expansion of y in y
11.349 * [approximate]: Taking taylor expansion of (* (+ (/ 1 x) 1.0) (+ (/ 1 y) 1.0)) in (x y) around 0
11.349 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) 1.0) (+ (/ 1 y) 1.0)) in y
11.349 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in y
11.349 * [taylor]: Taking taylor expansion of (/ 1 x) in y
11.349 * [taylor]: Taking taylor expansion of x in y
11.349 * [taylor]: Taking taylor expansion of 1.0 in y
11.349 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in y
11.349 * [taylor]: Taking taylor expansion of (/ 1 y) in y
11.349 * [taylor]: Taking taylor expansion of y in y
11.350 * [taylor]: Taking taylor expansion of 1.0 in y
11.350 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) 1.0) (+ (/ 1 y) 1.0)) in x
11.350 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
11.350 * [taylor]: Taking taylor expansion of (/ 1 x) in x
11.350 * [taylor]: Taking taylor expansion of x in x
11.350 * [taylor]: Taking taylor expansion of 1.0 in x
11.350 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in x
11.350 * [taylor]: Taking taylor expansion of (/ 1 y) in x
11.350 * [taylor]: Taking taylor expansion of y in x
11.350 * [taylor]: Taking taylor expansion of 1.0 in x
11.350 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) 1.0) (+ (/ 1 y) 1.0)) in x
11.350 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
11.350 * [taylor]: Taking taylor expansion of (/ 1 x) in x
11.350 * [taylor]: Taking taylor expansion of x in x
11.350 * [taylor]: Taking taylor expansion of 1.0 in x
11.350 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in x
11.350 * [taylor]: Taking taylor expansion of (/ 1 y) in x
11.350 * [taylor]: Taking taylor expansion of y in x
11.350 * [taylor]: Taking taylor expansion of 1.0 in x
11.351 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in y
11.351 * [taylor]: Taking taylor expansion of (/ 1 y) in y
11.351 * [taylor]: Taking taylor expansion of y in y
11.351 * [taylor]: Taking taylor expansion of 1.0 in y
11.353 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 y)) 1.0) in y
11.353 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 y)) in y
11.353 * [taylor]: Taking taylor expansion of 1.0 in y
11.353 * [taylor]: Taking taylor expansion of (/ 1 y) in y
11.353 * [taylor]: Taking taylor expansion of y in y
11.353 * [taylor]: Taking taylor expansion of 1.0 in y
11.355 * * * [progress]: simplifying candidates
11.355 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (exp x) (exp (* (- 1.0 x) (- 1.0 y))))
  (log (+ x (* (- 1.0 x) (- 1.0 y))))
  (exp (+ x (* (- 1.0 x) (- 1.0 y))))
  (* (cbrt (+ x (* (- 1.0 x) (- 1.0 y)))) (cbrt (+ x (* (- 1.0 x) (- 1.0 y)))))
  (cbrt (+ x (* (- 1.0 x) (- 1.0 y))))
  (* (* (+ x (* (- 1.0 x) (- 1.0 y))) (+ x (* (- 1.0 x) (- 1.0 y)))) (+ x (* (- 1.0 x) (- 1.0 y))))
  (sqrt (+ x (* (- 1.0 x) (- 1.0 y))))
  (sqrt (+ x (* (- 1.0 x) (- 1.0 y))))
  (+ (pow x 3) (pow (* (- 1.0 x) (- 1.0 y)) 3))
  (+ (* x x) (- (* (* (- 1.0 x) (- 1.0 y)) (* (- 1.0 x) (- 1.0 y))) (* x (* (- 1.0 x) (- 1.0 y)))))
  (- (* x x) (* (* (- 1.0 x) (- 1.0 y)) (* (- 1.0 x) (- 1.0 y))))
  (- x (* (- 1.0 x) (- 1.0 y)))
  (+ x (* (- 1.0 x) 1.0))
  (+ x (* (- 1.0 x) 1.0))
  (+ x (* 1.0 (- 1.0 x)))
  (+ x (* 1.0 (- 1.0 x)))
  (* (- 1.0 x) (- 1.0 y))
  (+ (log (- 1.0 x)) (log (- 1.0 y)))
  (log (* (- 1.0 x) (- 1.0 y)))
  (exp (* (- 1.0 x) (- 1.0 y)))
  (* (* (* (- 1.0 x) (- 1.0 x)) (- 1.0 x)) (* (* (- 1.0 y) (- 1.0 y)) (- 1.0 y)))
  (* (cbrt (* (- 1.0 x) (- 1.0 y))) (cbrt (* (- 1.0 x) (- 1.0 y))))
  (cbrt (* (- 1.0 x) (- 1.0 y)))
  (* (* (* (- 1.0 x) (- 1.0 y)) (* (- 1.0 x) (- 1.0 y))) (* (- 1.0 x) (- 1.0 y)))
  (sqrt (* (- 1.0 x) (- 1.0 y)))
  (sqrt (* (- 1.0 x) (- 1.0 y)))
  (* (- (pow 1.0 3) (pow x 3)) (- (pow 1.0 3) (pow y 3)))
  (* (+ (* 1.0 1.0) (+ (* x x) (* 1.0 x))) (+ (* 1.0 1.0) (+ (* y y) (* 1.0 y))))
  (* (- (pow 1.0 3) (pow x 3)) (- (* 1.0 1.0) (* y y)))
  (* (+ (* 1.0 1.0) (+ (* x x) (* 1.0 x))) (+ 1.0 y))
  (* (- (* 1.0 1.0) (* x x)) (- (pow 1.0 3) (pow y 3)))
  (* (+ 1.0 x) (+ (* 1.0 1.0) (+ (* y y) (* 1.0 y))))
  (* (- (* 1.0 1.0) (* x x)) (- (* 1.0 1.0) (* y y)))
  (* (+ 1.0 x) (+ 1.0 y))
  (* (sqrt (- 1.0 x)) (sqrt (- 1.0 y)))
  (* (sqrt (- 1.0 x)) (sqrt (- 1.0 y)))
  (* (- 1.0 x) 1.0)
  (* (- 1.0 x) (- y))
  (* (- 1.0 x) 1.0)
  (* (- 1.0 x) (- y))
  (* 1.0 (- 1.0 x))
  (* (- y) (- 1.0 x))
  (* 1.0 (- 1.0 x))
  (* (- y) (- 1.0 x))
  (* (- 1.0 x) (* (cbrt (- 1.0 y)) (cbrt (- 1.0 y))))
  (* (- 1.0 x) (sqrt (- 1.0 y)))
  (* (- 1.0 x) 1)
  (* (- 1.0 x) (+ (sqrt 1.0) (sqrt y)))
  (* (- 1.0 x) 1)
  (* (cbrt (- 1.0 x)) (- 1.0 y))
  (* (sqrt (- 1.0 x)) (- 1.0 y))
  (* (- 1.0 x) (- 1.0 y))
  (* (- (sqrt 1.0) (sqrt x)) (- 1.0 y))
  (* (- 1.0 x) (- 1.0 y))
  (* (- 1.0 x) (- (pow 1.0 3) (pow y 3)))
  (* (- 1.0 x) (- (* 1.0 1.0) (* y y)))
  (* (- (pow 1.0 3) (pow x 3)) (- 1.0 y))
  (* (- (* 1.0 1.0) (* x x)) (- 1.0 y))
  (- (+ (* x y) 1.0) (* 1.0 y))
  (- (+ (* x y) 1.0) (* 1.0 y))
  (- (+ (* x y) 1.0) (* 1.0 y))
  (- 1.0 (+ (* 1.0 x) (* 1.0 y)))
  (- (* x y) (+ (* 1.0 x) (* 1.0 y)))
  (- (* x y) (+ (* 1.0 x) (* 1.0 y)))
11.358 * * [simplify]: iteration  0 :  101  enodes  (cost  691 )
11.373 * * [simplify]: iteration  1 :  278  enodes  (cost  649 )
11.427 * * [simplify]: iteration  2 :  1074  enodes  (cost  617 )
11.742 * * [simplify]: iteration  3 :  4740  enodes  (cost  611 )
13.146 * * [simplify]: iteration  done :  5000  enodes  (cost  611 )
13.147 * [simplify]: Simplified to:
   (exp (+ x (* (- 1.0 x) (- 1.0 y))))
  (log (+ x (* (- 1.0 x) (- 1.0 y))))
  (exp (+ x (* (- 1.0 x) (- 1.0 y))))
  (* (cbrt (+ x (* (- 1.0 x) (- 1.0 y)))) (cbrt (+ x (* (- 1.0 x) (- 1.0 y)))))
  (cbrt (+ x (* (- 1.0 x) (- 1.0 y))))
  (pow (+ x (* (- 1.0 x) (- 1.0 y))) 3)
  (sqrt (+ x (* (- 1.0 x) (- 1.0 y))))
  (sqrt (+ x (* (- 1.0 x) (- 1.0 y))))
  (+ (pow x 3) (pow (* (- 1.0 x) (- 1.0 y)) 3))
  (+ (* x x) (* (* (- 1.0 x) (- 1.0 y)) (- (* (- 1.0 x) (- 1.0 y)) x)))
  (- (* x x) (* (* (- 1.0 x) (- 1.0 y)) (* (- 1.0 x) (- 1.0 y))))
  (- x (* (- 1.0 x) (- 1.0 y)))
  (+ x (* (- 1.0 x) 1.0))
  (+ x (* (- 1.0 x) 1.0))
  (+ x (* (- 1.0 x) 1.0))
  (+ x (* (- 1.0 x) 1.0))
  (* (- 1.0 x) (- 1.0 y))
  (log (* (- 1.0 x) (- 1.0 y)))
  (log (* (- 1.0 x) (- 1.0 y)))
  (exp (* (- 1.0 x) (- 1.0 y)))
  (pow (* (- 1.0 x) (- 1.0 y)) 3)
  (* (cbrt (* (- 1.0 x) (- 1.0 y))) (cbrt (* (- 1.0 x) (- 1.0 y))))
  (cbrt (* (- 1.0 x) (- 1.0 y)))
  (pow (* (- 1.0 x) (- 1.0 y)) 3)
  (sqrt (* (- 1.0 x) (- 1.0 y)))
  (sqrt (* (- 1.0 x) (- 1.0 y)))
  (* (- (pow 1.0 3) (pow x 3)) (- (pow 1.0 3) (pow y 3)))
  (* (+ (* x (+ 1.0 x)) (* 1.0 1.0)) (+ (* y (+ 1.0 y)) (* 1.0 1.0)))
  (* (- (pow 1.0 3) (pow x 3)) (- (* 1.0 1.0) (* y y)))
  (* (+ (* x (+ 1.0 x)) (* 1.0 1.0)) (+ 1.0 y))
  (* (- (* 1.0 1.0) (* x x)) (- (pow 1.0 3) (pow y 3)))
  (* (+ 1.0 x) (+ (* y (+ 1.0 y)) (* 1.0 1.0)))
  (* (- (* 1.0 1.0) (* x x)) (- (* 1.0 1.0) (* y y)))
  (* (+ 1.0 x) (+ 1.0 y))
  (* (sqrt (- 1.0 x)) (sqrt (- 1.0 y)))
  (* (sqrt (- 1.0 x)) (sqrt (- 1.0 y)))
  (* (- 1.0 x) 1.0)
  (* (- 1.0 x) (- y))
  (* (- 1.0 x) 1.0)
  (* (- 1.0 x) (- y))
  (* (- 1.0 x) 1.0)
  (* (- 1.0 x) (- y))
  (* (- 1.0 x) 1.0)
  (* (- 1.0 x) (- y))
  (* (- 1.0 x) (* (cbrt (- 1.0 y)) (cbrt (- 1.0 y))))
  (* (- 1.0 x) (sqrt (- 1.0 y)))
  (- 1.0 x)
  (* (- 1.0 x) (+ (sqrt 1.0) (sqrt y)))
  (- 1.0 x)
  (* (cbrt (- 1.0 x)) (- 1.0 y))
  (* (sqrt (- 1.0 x)) (- 1.0 y))
  (* (- 1.0 x) (- 1.0 y))
  (* (- (sqrt 1.0) (sqrt x)) (- 1.0 y))
  (* (- 1.0 x) (- 1.0 y))
  (* (- 1.0 x) (- (pow 1.0 3) (pow y 3)))
  (* (- 1.0 x) (- (* 1.0 1.0) (* y y)))
  (* (- (pow 1.0 3) (pow x 3)) (- 1.0 y))
  (* (- (* 1.0 1.0) (* x x)) (- 1.0 y))
  (+ 1.0 (* y (- x 1.0)))
  (+ 1.0 (* y (- x 1.0)))
  (+ 1.0 (* y (- x 1.0)))
  (- 1.0 (* 1.0 (+ x y)))
  (- (* x y) (* 1.0 (+ x y)))
  (- (* x y) (* 1.0 (+ x y)))
13.147 * * * [progress]: adding candidates to table
13.252 * * [progress]: iteration 2 / 4
13.252 * * * [progress]: picking best candidate
13.253 * * * * [pick]: Picked  #<alt (λ (x y) (+ 1.0 (* y (- x 1.0))))>
13.253 * * * [progress]: localizing error
13.257 * * * [progress]: generating rewritten candidates
13.258 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2)
13.268 * * * [progress]: generating series expansions
13.268 * * * * [progress]: [ 1 / 1 ] generating series at (2 2)
13.268 * [approximate]: Taking taylor expansion of (* (- x 1.0) y) in (y x) around 0
13.268 * [taylor]: Taking taylor expansion of (* (- x 1.0) y) in x
13.268 * [taylor]: Taking taylor expansion of (- x 1.0) in x
13.268 * [taylor]: Taking taylor expansion of x in x
13.268 * [taylor]: Taking taylor expansion of 1.0 in x
13.268 * [taylor]: Taking taylor expansion of y in x
13.269 * [taylor]: Taking taylor expansion of (* (- x 1.0) y) in y
13.269 * [taylor]: Taking taylor expansion of (- x 1.0) in y
13.269 * [taylor]: Taking taylor expansion of x in y
13.269 * [taylor]: Taking taylor expansion of 1.0 in y
13.269 * [taylor]: Taking taylor expansion of y in y
13.269 * [taylor]: Taking taylor expansion of (* (- x 1.0) y) in y
13.269 * [taylor]: Taking taylor expansion of (- x 1.0) in y
13.269 * [taylor]: Taking taylor expansion of x in y
13.269 * [taylor]: Taking taylor expansion of 1.0 in y
13.269 * [taylor]: Taking taylor expansion of y in y
13.269 * [taylor]: Taking taylor expansion of 0 in x
13.270 * [taylor]: Taking taylor expansion of (- x 1.0) in x
13.270 * [taylor]: Taking taylor expansion of x in x
13.270 * [taylor]: Taking taylor expansion of 1.0 in x
13.272 * [taylor]: Taking taylor expansion of 0 in x
13.274 * [taylor]: Taking taylor expansion of 0 in x
13.275 * [taylor]: Taking taylor expansion of 0 in x
13.275 * [approximate]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) y) in (y x) around 0
13.275 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) y) in x
13.275 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
13.276 * [taylor]: Taking taylor expansion of (/ 1 x) in x
13.276 * [taylor]: Taking taylor expansion of x in x
13.276 * [taylor]: Taking taylor expansion of 1.0 in x
13.276 * [taylor]: Taking taylor expansion of y in x
13.276 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) y) in y
13.276 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in y
13.276 * [taylor]: Taking taylor expansion of (/ 1 x) in y
13.276 * [taylor]: Taking taylor expansion of x in y
13.276 * [taylor]: Taking taylor expansion of 1.0 in y
13.276 * [taylor]: Taking taylor expansion of y in y
13.277 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) y) in y
13.277 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in y
13.277 * [taylor]: Taking taylor expansion of (/ 1 x) in y
13.277 * [taylor]: Taking taylor expansion of x in y
13.277 * [taylor]: Taking taylor expansion of 1.0 in y
13.277 * [taylor]: Taking taylor expansion of y in y
13.278 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
13.278 * [taylor]: Taking taylor expansion of (/ 1 x) in x
13.278 * [taylor]: Taking taylor expansion of x in x
13.278 * [taylor]: Taking taylor expansion of 1.0 in x
13.279 * [taylor]: Taking taylor expansion of 0 in x
13.282 * [taylor]: Taking taylor expansion of 0 in x
13.285 * [taylor]: Taking taylor expansion of 0 in x
13.288 * [taylor]: Taking taylor expansion of 0 in x
13.288 * [approximate]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) y) in (y x) around 0
13.288 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) y) in x
13.288 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
13.288 * [taylor]: Taking taylor expansion of 1.0 in x
13.288 * [taylor]: Taking taylor expansion of (/ 1 x) in x
13.288 * [taylor]: Taking taylor expansion of x in x
13.289 * [taylor]: Taking taylor expansion of y in x
13.289 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) y) in y
13.289 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in y
13.289 * [taylor]: Taking taylor expansion of 1.0 in y
13.289 * [taylor]: Taking taylor expansion of (/ 1 x) in y
13.289 * [taylor]: Taking taylor expansion of x in y
13.289 * [taylor]: Taking taylor expansion of y in y
13.289 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) y) in y
13.289 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in y
13.289 * [taylor]: Taking taylor expansion of 1.0 in y
13.289 * [taylor]: Taking taylor expansion of (/ 1 x) in y
13.289 * [taylor]: Taking taylor expansion of x in y
13.289 * [taylor]: Taking taylor expansion of y in y
13.289 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
13.289 * [taylor]: Taking taylor expansion of 1.0 in x
13.289 * [taylor]: Taking taylor expansion of (/ 1 x) in x
13.289 * [taylor]: Taking taylor expansion of x in x
13.291 * [taylor]: Taking taylor expansion of 0 in x
13.293 * [taylor]: Taking taylor expansion of 0 in x
13.295 * [taylor]: Taking taylor expansion of 0 in x
13.297 * [taylor]: Taking taylor expansion of 0 in x
13.298 * * * [progress]: simplifying candidates
13.298 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* y (- x 1.0))
  (+ (log y) (log (- x 1.0)))
  (log (* y (- x 1.0)))
  (exp (* y (- x 1.0)))
  (* (* (* y y) y) (* (* (- x 1.0) (- x 1.0)) (- x 1.0)))
  (* (cbrt (* y (- x 1.0))) (cbrt (* y (- x 1.0))))
  (cbrt (* y (- x 1.0)))
  (* (* (* y (- x 1.0)) (* y (- x 1.0))) (* y (- x 1.0)))
  (sqrt (* y (- x 1.0)))
  (sqrt (* y (- x 1.0)))
  (* (sqrt y) (sqrt (- x 1.0)))
  (* (sqrt y) (sqrt (- x 1.0)))
  (* y x)
  (* y (- 1.0))
  (* y x)
  (* y (- 1.0))
  (* x y)
  (* (- 1.0) y)
  (* x y)
  (* (- 1.0) y)
  (* y (* (cbrt (- x 1.0)) (cbrt (- x 1.0))))
  (* y (sqrt (- x 1.0)))
  (* y 1)
  (* y (+ (sqrt x) (sqrt 1.0)))
  (* y 1)
  (* (cbrt y) (- x 1.0))
  (* (sqrt y) (- x 1.0))
  (* y (- x 1.0))
  (* y (- (pow x 3) (pow 1.0 3)))
  (* y (- (* x x) (* 1.0 1.0)))
  (- (* x y) (* 1.0 y))
  (- (* x y) (* 1.0 y))
  (- (* x y) (* 1.0 y))
13.300 * * [simplify]: iteration  0 :  52  enodes  (cost  217 )
13.308 * * [simplify]: iteration  1 :  114  enodes  (cost  206 )
13.333 * * [simplify]: iteration  2 :  424  enodes  (cost  186 )
13.452 * * [simplify]: iteration  3 :  1319  enodes  (cost  186 )
14.094 * * [simplify]: iteration  4 :  3671  enodes  (cost  186 )
16.077 * * [simplify]: iteration  done :  5000  enodes  (cost  186 )
16.077 * [simplify]: Simplified to:
   (* y (- x 1.0))
  (log (* y (- x 1.0)))
  (log (* y (- x 1.0)))
  (exp (* y (- x 1.0)))
  (pow (* y (- x 1.0)) 3)
  (* (cbrt (* y (- x 1.0))) (cbrt (* y (- x 1.0))))
  (cbrt (* y (- x 1.0)))
  (pow (* y (- x 1.0)) 3)
  (sqrt (* y (- x 1.0)))
  (sqrt (* y (- x 1.0)))
  (* (sqrt y) (sqrt (- x 1.0)))
  (* (sqrt y) (sqrt (- x 1.0)))
  (* x y)
  (* (- 1.0) y)
  (* x y)
  (* (- 1.0) y)
  (* x y)
  (* (- 1.0) y)
  (* x y)
  (* (- 1.0) y)
  (* y (* (cbrt (- x 1.0)) (cbrt (- x 1.0))))
  (* y (sqrt (- x 1.0)))
  y
  (* y (+ (sqrt x) (sqrt 1.0)))
  y
  (* (cbrt y) (- x 1.0))
  (* (sqrt y) (- x 1.0))
  (* y (- x 1.0))
  (* y (- (pow x 3) (pow 1.0 3)))
  (* y (- (* x x) (* 1.0 1.0)))
  (* y (- x 1.0))
  (* y (- x 1.0))
  (* y (- x 1.0))
16.078 * * * [progress]: adding candidates to table
16.117 * [progress]: [Phase 3 of 3] Extracting.
16.118 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ 1.0 (* y (- x 1.0)))
16.118 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
16.119 * * [simplify]: iteration  1 :  8  enodes  (cost  7 )
16.119 * * [simplify]: iteration  done :  8  enodes  (cost  7 )
16.119 * [simplify]: Simplified to:
   (+ 1.0 (* y (- x 1.0)))
16.580 * [regime-testing]: End program error score: 0.00707400456316054
16.595 * [regime-testing]: Target error score: 0.00557381703972011