58.660 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.019 * * * [progress]: [2/2] Setting up program.
0.024 * [progress]: [Phase 2 of 3] Improving.
0.024 * [simplify]: Simplifying:
  (+ x (/ (- y x) 2.0))
0.024 * * [simplify]: iteration 0: 6 enodes
0.025 * * [simplify]: iteration 1: 12 enodes
0.027 * * [simplify]: iteration 2: 19 enodes
0.030 * * [simplify]: iteration 3: 28 enodes
0.035 * * [simplify]: iteration 4: 39 enodes
0.046 * * [simplify]: iteration 5: 96 enodes
0.064 * * [simplify]: iteration 6: 221 enodes
0.127 * * [simplify]: iteration 7: 621 enodes
0.571 * * [simplify]: iteration 8: 2177 enodes
1.324 * * [simplify]: iteration complete: 5001 enodes
1.324 * * [simplify]: Extracting #0: cost 1 inf + 0
1.327 * * [simplify]: Extracting #1: cost 1630 inf + 0
1.332 * * [simplify]: Extracting #2: cost 1824 inf + 7
1.338 * * [simplify]: Extracting #3: cost 1771 inf + 135
1.346 * * [simplify]: Extracting #4: cost 175 inf + 9625
1.353 * * [simplify]: Extracting #5: cost 0 inf + 10664
1.367 * [simplify]: Simplified to:
  (+ (/ (- y x) 2.0) x)
1.373 * * [progress]: iteration 1 / 4
1.373 * * * [progress]: picking best candidate
1.378 * * * * [pick]: Picked  #<alt (λ (x y) (+ (/ (- y x) 2.0) x))>
1.378 * * * [progress]: localizing error
1.389 * * * [progress]: generating rewritten candidates
1.389 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
1.445 * * * [progress]: generating series expansions
1.445 * * * * [progress]: [ 1 / 1 ] generating series at (2)
1.445 * [backup-simplify]: Simplify (+ (/ (- y x) 2.0) x) into (+ (* 0.5 x) (* 0.5 y))
1.445 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in (y x) around 0
1.445 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
1.445 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
1.445 * [taylor]: Taking taylor expansion of 0.5 in x
1.445 * [backup-simplify]: Simplify 0.5 into 0.5
1.445 * [taylor]: Taking taylor expansion of x in x
1.445 * [backup-simplify]: Simplify 0 into 0
1.445 * [backup-simplify]: Simplify 1 into 1
1.445 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
1.445 * [taylor]: Taking taylor expansion of 0.5 in x
1.445 * [backup-simplify]: Simplify 0.5 into 0.5
1.445 * [taylor]: Taking taylor expansion of y in x
1.445 * [backup-simplify]: Simplify y into y
1.445 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y
1.445 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
1.446 * [taylor]: Taking taylor expansion of 0.5 in y
1.446 * [backup-simplify]: Simplify 0.5 into 0.5
1.446 * [taylor]: Taking taylor expansion of x in y
1.446 * [backup-simplify]: Simplify x into x
1.446 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
1.446 * [taylor]: Taking taylor expansion of 0.5 in y
1.446 * [backup-simplify]: Simplify 0.5 into 0.5
1.446 * [taylor]: Taking taylor expansion of y in y
1.446 * [backup-simplify]: Simplify 0 into 0
1.446 * [backup-simplify]: Simplify 1 into 1
1.446 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y
1.446 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
1.446 * [taylor]: Taking taylor expansion of 0.5 in y
1.446 * [backup-simplify]: Simplify 0.5 into 0.5
1.446 * [taylor]: Taking taylor expansion of x in y
1.446 * [backup-simplify]: Simplify x into x
1.446 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
1.446 * [taylor]: Taking taylor expansion of 0.5 in y
1.446 * [backup-simplify]: Simplify 0.5 into 0.5
1.446 * [taylor]: Taking taylor expansion of y in y
1.446 * [backup-simplify]: Simplify 0 into 0
1.446 * [backup-simplify]: Simplify 1 into 1
1.446 * [backup-simplify]: Simplify (* 0.5 x) into (* 0.5 x)
1.447 * [backup-simplify]: Simplify (* 0.5 0) into 0
1.447 * [backup-simplify]: Simplify (+ (* 0.5 x) 0) into (* 0.5 x)
1.447 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
1.447 * [taylor]: Taking taylor expansion of 0.5 in x
1.447 * [backup-simplify]: Simplify 0.5 into 0.5
1.447 * [taylor]: Taking taylor expansion of x in x
1.447 * [backup-simplify]: Simplify 0 into 0
1.447 * [backup-simplify]: Simplify 1 into 1
1.448 * [backup-simplify]: Simplify (* 0.5 0) into 0
1.448 * [backup-simplify]: Simplify 0 into 0
1.448 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 x)) into 0
1.449 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
1.450 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5
1.450 * [taylor]: Taking taylor expansion of 0.5 in x
1.450 * [backup-simplify]: Simplify 0.5 into 0.5
1.450 * [backup-simplify]: Simplify 0.5 into 0.5
1.451 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
1.451 * [backup-simplify]: Simplify 0.5 into 0.5
1.452 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 x))) into 0
1.453 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
1.453 * [backup-simplify]: Simplify (+ 0 0) into 0
1.453 * [taylor]: Taking taylor expansion of 0 in x
1.453 * [backup-simplify]: Simplify 0 into 0
1.453 * [backup-simplify]: Simplify 0 into 0
1.453 * [backup-simplify]: Simplify 0 into 0
1.454 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
1.454 * [backup-simplify]: Simplify 0 into 0
1.458 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 x)))) into 0
1.459 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
1.460 * [backup-simplify]: Simplify (+ 0 0) into 0
1.460 * [taylor]: Taking taylor expansion of 0 in x
1.460 * [backup-simplify]: Simplify 0 into 0
1.460 * [backup-simplify]: Simplify 0 into 0
1.460 * [backup-simplify]: Simplify 0 into 0
1.460 * [backup-simplify]: Simplify 0 into 0
1.460 * [backup-simplify]: Simplify (+ (* 0.5 (* x 1)) (* 0.5 (* 1 y))) into (+ (* 0.5 x) (* 0.5 y))
1.460 * [backup-simplify]: Simplify (+ (/ (- (/ 1 y) (/ 1 x)) 2.0) (/ 1 x)) into (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
1.460 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in (y x) around 0
1.460 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
1.460 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
1.460 * [taylor]: Taking taylor expansion of 0.5 in x
1.460 * [backup-simplify]: Simplify 0.5 into 0.5
1.460 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.460 * [taylor]: Taking taylor expansion of x in x
1.460 * [backup-simplify]: Simplify 0 into 0
1.460 * [backup-simplify]: Simplify 1 into 1
1.461 * [backup-simplify]: Simplify (/ 1 1) into 1
1.461 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
1.461 * [taylor]: Taking taylor expansion of 0.5 in x
1.461 * [backup-simplify]: Simplify 0.5 into 0.5
1.461 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.461 * [taylor]: Taking taylor expansion of y in x
1.461 * [backup-simplify]: Simplify y into y
1.461 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
1.461 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in y
1.461 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
1.461 * [taylor]: Taking taylor expansion of 0.5 in y
1.461 * [backup-simplify]: Simplify 0.5 into 0.5
1.461 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.461 * [taylor]: Taking taylor expansion of x in y
1.461 * [backup-simplify]: Simplify x into x
1.461 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
1.461 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
1.461 * [taylor]: Taking taylor expansion of 0.5 in y
1.461 * [backup-simplify]: Simplify 0.5 into 0.5
1.461 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.461 * [taylor]: Taking taylor expansion of y in y
1.461 * [backup-simplify]: Simplify 0 into 0
1.461 * [backup-simplify]: Simplify 1 into 1
1.462 * [backup-simplify]: Simplify (/ 1 1) into 1
1.462 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in y
1.462 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
1.462 * [taylor]: Taking taylor expansion of 0.5 in y
1.462 * [backup-simplify]: Simplify 0.5 into 0.5
1.462 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.462 * [taylor]: Taking taylor expansion of x in y
1.462 * [backup-simplify]: Simplify x into x
1.462 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
1.462 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
1.462 * [taylor]: Taking taylor expansion of 0.5 in y
1.462 * [backup-simplify]: Simplify 0.5 into 0.5
1.462 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.462 * [taylor]: Taking taylor expansion of y in y
1.462 * [backup-simplify]: Simplify 0 into 0
1.462 * [backup-simplify]: Simplify 1 into 1
1.462 * [backup-simplify]: Simplify (/ 1 1) into 1
1.463 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
1.463 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5
1.463 * [taylor]: Taking taylor expansion of 0.5 in x
1.463 * [backup-simplify]: Simplify 0.5 into 0.5
1.463 * [backup-simplify]: Simplify (* 0.5 (/ 1 x)) into (/ 0.5 x)
1.464 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.464 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
1.464 * [backup-simplify]: Simplify (+ (/ 0.5 x) 0) into (* 0.5 (/ 1 x))
1.464 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
1.464 * [taylor]: Taking taylor expansion of 0.5 in x
1.464 * [backup-simplify]: Simplify 0.5 into 0.5
1.464 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.464 * [taylor]: Taking taylor expansion of x in x
1.464 * [backup-simplify]: Simplify 0 into 0
1.464 * [backup-simplify]: Simplify 1 into 1
1.465 * [backup-simplify]: Simplify (/ 1 1) into 1
1.465 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
1.465 * [backup-simplify]: Simplify 0.5 into 0.5
1.465 * [backup-simplify]: Simplify 0.5 into 0.5
1.465 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)))) into 0
1.465 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 x))) into 0
1.466 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.466 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
1.467 * [backup-simplify]: Simplify (+ 0 0) into 0
1.467 * [taylor]: Taking taylor expansion of 0 in x
1.467 * [backup-simplify]: Simplify 0 into 0
1.467 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.468 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
1.468 * [backup-simplify]: Simplify 0 into 0
1.468 * [backup-simplify]: Simplify 0 into 0
1.468 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
1.468 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 x)))) into 0
1.469 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.469 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.470 * [backup-simplify]: Simplify (+ 0 0) into 0
1.470 * [taylor]: Taking taylor expansion of 0 in x
1.470 * [backup-simplify]: Simplify 0 into 0
1.470 * [backup-simplify]: Simplify 0 into 0
1.470 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.471 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
1.471 * [backup-simplify]: Simplify 0 into 0
1.471 * [backup-simplify]: Simplify 0 into 0
1.471 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)) (* 0 (/ 0 x)))) into 0
1.472 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 x))))) into 0
1.472 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.473 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.473 * [backup-simplify]: Simplify (+ 0 0) into 0
1.473 * [taylor]: Taking taylor expansion of 0 in x
1.473 * [backup-simplify]: Simplify 0 into 0
1.473 * [backup-simplify]: Simplify 0 into 0
1.473 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (/ 1 (/ 1 y)))) (* 0.5 (* (/ 1 (/ 1 x)) 1))) into (+ (* 0.5 x) (* 0.5 y))
1.474 * [backup-simplify]: Simplify (+ (/ (- (/ 1 (- y)) (/ 1 (- x))) 2.0) (/ 1 (- x))) into (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))))
1.474 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in (y x) around 0
1.474 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in x
1.474 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
1.474 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
1.474 * [taylor]: Taking taylor expansion of 0.5 in x
1.474 * [backup-simplify]: Simplify 0.5 into 0.5
1.474 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.474 * [taylor]: Taking taylor expansion of x in x
1.474 * [backup-simplify]: Simplify 0 into 0
1.474 * [backup-simplify]: Simplify 1 into 1
1.474 * [backup-simplify]: Simplify (/ 1 1) into 1
1.474 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
1.474 * [taylor]: Taking taylor expansion of 0.5 in x
1.474 * [backup-simplify]: Simplify 0.5 into 0.5
1.474 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.474 * [taylor]: Taking taylor expansion of y in x
1.474 * [backup-simplify]: Simplify y into y
1.474 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
1.474 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in y
1.474 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in y
1.474 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
1.474 * [taylor]: Taking taylor expansion of 0.5 in y
1.474 * [backup-simplify]: Simplify 0.5 into 0.5
1.474 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.474 * [taylor]: Taking taylor expansion of x in y
1.474 * [backup-simplify]: Simplify x into x
1.474 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
1.474 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
1.474 * [taylor]: Taking taylor expansion of 0.5 in y
1.474 * [backup-simplify]: Simplify 0.5 into 0.5
1.474 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.474 * [taylor]: Taking taylor expansion of y in y
1.474 * [backup-simplify]: Simplify 0 into 0
1.475 * [backup-simplify]: Simplify 1 into 1
1.475 * [backup-simplify]: Simplify (/ 1 1) into 1
1.475 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in y
1.475 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in y
1.475 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
1.475 * [taylor]: Taking taylor expansion of 0.5 in y
1.475 * [backup-simplify]: Simplify 0.5 into 0.5
1.475 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.475 * [taylor]: Taking taylor expansion of x in y
1.475 * [backup-simplify]: Simplify x into x
1.475 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
1.475 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
1.475 * [taylor]: Taking taylor expansion of 0.5 in y
1.475 * [backup-simplify]: Simplify 0.5 into 0.5
1.475 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.475 * [taylor]: Taking taylor expansion of y in y
1.475 * [backup-simplify]: Simplify 0 into 0
1.475 * [backup-simplify]: Simplify 1 into 1
1.475 * [backup-simplify]: Simplify (/ 1 1) into 1
1.476 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
1.476 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5
1.476 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.476 * [taylor]: Taking taylor expansion of (- 0.5) in x
1.476 * [taylor]: Taking taylor expansion of 0.5 in x
1.476 * [backup-simplify]: Simplify 0.5 into 0.5
1.476 * [backup-simplify]: Simplify (* 0.5 (/ 1 x)) into (/ 0.5 x)
1.477 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.477 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
1.477 * [backup-simplify]: Simplify (+ (/ 0.5 x) 0) into (* 0.5 (/ 1 x))
1.477 * [backup-simplify]: Simplify (- (* 0.5 (/ 1 x))) into (- (* 0.5 (/ 1 x)))
1.477 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 x))) in x
1.477 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
1.477 * [taylor]: Taking taylor expansion of 0.5 in x
1.477 * [backup-simplify]: Simplify 0.5 into 0.5
1.477 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.477 * [taylor]: Taking taylor expansion of x in x
1.477 * [backup-simplify]: Simplify 0 into 0
1.477 * [backup-simplify]: Simplify 1 into 1
1.478 * [backup-simplify]: Simplify (/ 1 1) into 1
1.478 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
1.478 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.478 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.479 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.479 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.479 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)))) into 0
1.479 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 x))) into 0
1.480 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.480 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
1.481 * [backup-simplify]: Simplify (+ 0 0) into 0
1.481 * [backup-simplify]: Simplify (- 0) into 0
1.481 * [taylor]: Taking taylor expansion of 0 in x
1.481 * [backup-simplify]: Simplify 0 into 0
1.481 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.482 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
1.482 * [backup-simplify]: Simplify (- 0) into 0
1.482 * [backup-simplify]: Simplify 0 into 0
1.482 * [backup-simplify]: Simplify (- 0) into 0
1.482 * [backup-simplify]: Simplify 0 into 0
1.482 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
1.483 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 x)))) into 0
1.483 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.484 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.484 * [backup-simplify]: Simplify (+ 0 0) into 0
1.484 * [backup-simplify]: Simplify (- 0) into 0
1.484 * [taylor]: Taking taylor expansion of 0 in x
1.484 * [backup-simplify]: Simplify 0 into 0
1.484 * [backup-simplify]: Simplify 0 into 0
1.485 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.486 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
1.486 * [backup-simplify]: Simplify (- 0) into 0
1.486 * [backup-simplify]: Simplify 0 into 0
1.486 * [backup-simplify]: Simplify (- 0) into 0
1.486 * [backup-simplify]: Simplify 0 into 0
1.486 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)) (* 0 (/ 0 x)))) into 0
1.487 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 x))))) into 0
1.487 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.488 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.488 * [backup-simplify]: Simplify (+ 0 0) into 0
1.489 * [backup-simplify]: Simplify (- 0) into 0
1.489 * [taylor]: Taking taylor expansion of 0 in x
1.489 * [backup-simplify]: Simplify 0 into 0
1.489 * [backup-simplify]: Simplify 0 into 0
1.489 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (/ 1 (/ 1 (- y))))) (* (- 0.5) (* (/ 1 (/ 1 (- x))) 1))) into (+ (* 0.5 x) (* 0.5 y))
1.489 * * * [progress]: simplifying candidates
1.490 * [simplify]: Simplifying:
  (expm1 (+ (/ (- y x) 2.0) x))
  (log1p (+ (/ (- y x) 2.0) x))
  (* (exp (/ (- y x) 2.0)) (exp x))
  (log (+ (/ (- y x) 2.0) x))
  (exp (+ (/ (- y x) 2.0) x))
  (* (cbrt (+ (/ (- y x) 2.0) x)) (cbrt (+ (/ (- y x) 2.0) x)))
  (cbrt (+ (/ (- y x) 2.0) x))
  (* (* (+ (/ (- y x) 2.0) x) (+ (/ (- y x) 2.0) x)) (+ (/ (- y x) 2.0) x))
  (sqrt (+ (/ (- y x) 2.0) x))
  (sqrt (+ (/ (- y x) 2.0) x))
  (+ (pow (/ (- y x) 2.0) 3) (pow x 3))
  (+ (* (/ (- y x) 2.0) (/ (- y x) 2.0)) (- (* x x) (* (/ (- y x) 2.0) x)))
  (- (* (/ (- y x) 2.0) (/ (- y x) 2.0)) (* x x))
  (- (/ (- y x) 2.0) x)
  (+ (/ (- y x) 2.0) x)
  (- (/ x 2.0) x)
  (+ (* 0.5 x) (* 0.5 y))
  (+ (* 0.5 x) (* 0.5 y))
  (+ (* 0.5 x) (* 0.5 y))
1.490 * * [simplify]: iteration 0: 35 enodes
1.496 * * [simplify]: iteration 1: 97 enodes
1.514 * * [simplify]: iteration 2: 259 enodes
1.587 * * [simplify]: iteration 3: 824 enodes
2.412 * * [simplify]: iteration 4: 4921 enodes
3.422 * * [simplify]: iteration complete: 5000 enodes
3.422 * * [simplify]: Extracting #0: cost 15 inf + 0
3.423 * * [simplify]: Extracting #1: cost 274 inf + 0
3.426 * * [simplify]: Extracting #2: cost 1168 inf + 51
3.432 * * [simplify]: Extracting #3: cost 1321 inf + 643
3.437 * * [simplify]: Extracting #4: cost 561 inf + 8623
3.443 * * [simplify]: Extracting #5: cost 17 inf + 17768
3.448 * * [simplify]: Extracting #6: cost 0 inf + 18143
3.453 * [simplify]: Simplified to:
  (expm1 (+ x (/ (- y x) 2.0)))
  (log1p (+ x (/ (- y x) 2.0)))
  (exp (+ x (/ (- y x) 2.0)))
  (log (+ x (/ (- y x) 2.0)))
  (exp (+ x (/ (- y x) 2.0)))
  (* (cbrt (+ x (/ (- y x) 2.0))) (cbrt (+ x (/ (- y x) 2.0))))
  (cbrt (+ x (/ (- y x) 2.0)))
  (pow (+ x (/ (- y x) 2.0)) 3)
  (sqrt (+ x (/ (- y x) 2.0)))
  (sqrt (+ x (/ (- y x) 2.0)))
  (+ (pow x 3) (pow (/ (- y x) 2.0) 3))
  (fma (/ (- y x) 2.0) (- (/ (- y x) 2.0) x) (* x x))
  (fma (- x) x (/ (* (/ (- y x) 2.0) (- y x)) 2.0))
  (- (/ (- y x) 2.0) x)
  (+ x (/ (- y x) 2.0))
  (- (/ x 2.0) x)
  (* 0.5 (+ x y))
  (* 0.5 (+ x y))
  (* 0.5 (+ x y))
3.453 * * * [progress]: adding candidates to table
3.620 * * [progress]: iteration 2 / 4
3.620 * * * [progress]: picking best candidate
3.624 * * * * [pick]: Picked  #<alt (λ (x y) (- (/ y 2.0) (- (/ x 2.0) x)))>
3.624 * * * [progress]: localizing error
3.636 * * * [progress]: generating rewritten candidates
3.636 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2)
3.657 * * * [progress]: generating series expansions
3.658 * * * * [progress]: [ 1 / 1 ] generating series at (2 2)
3.658 * [backup-simplify]: Simplify (- (/ x 2.0) x) into (- (* 0.5 x))
3.658 * [approximate]: Taking taylor expansion of (- (* 0.5 x)) in (x) around 0
3.658 * [taylor]: Taking taylor expansion of (- (* 0.5 x)) in x
3.658 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
3.658 * [taylor]: Taking taylor expansion of 0.5 in x
3.658 * [backup-simplify]: Simplify 0.5 into 0.5
3.658 * [taylor]: Taking taylor expansion of x in x
3.658 * [backup-simplify]: Simplify 0 into 0
3.658 * [backup-simplify]: Simplify 1 into 1
3.658 * [taylor]: Taking taylor expansion of (- (* 0.5 x)) in x
3.658 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
3.658 * [taylor]: Taking taylor expansion of 0.5 in x
3.658 * [backup-simplify]: Simplify 0.5 into 0.5
3.658 * [taylor]: Taking taylor expansion of x in x
3.658 * [backup-simplify]: Simplify 0 into 0
3.658 * [backup-simplify]: Simplify 1 into 1
3.659 * [backup-simplify]: Simplify (* 0.5 0) into 0
3.659 * [backup-simplify]: Simplify (- 0) into 0
3.659 * [backup-simplify]: Simplify 0 into 0
3.660 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
3.660 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.661 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.661 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
3.661 * [backup-simplify]: Simplify (- 0) into 0
3.661 * [backup-simplify]: Simplify 0 into 0
3.662 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
3.662 * [backup-simplify]: Simplify (- 0) into 0
3.662 * [backup-simplify]: Simplify 0 into 0
3.663 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
3.663 * [backup-simplify]: Simplify (- 0) into 0
3.663 * [backup-simplify]: Simplify 0 into 0
3.664 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
3.664 * [backup-simplify]: Simplify (- 0) into 0
3.664 * [backup-simplify]: Simplify 0 into 0
3.665 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
3.666 * [backup-simplify]: Simplify (- 0) into 0
3.666 * [backup-simplify]: Simplify 0 into 0
3.667 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
3.667 * [backup-simplify]: Simplify (- 0) into 0
3.667 * [backup-simplify]: Simplify 0 into 0
3.667 * [backup-simplify]: Simplify (* (- 0.5) x) into (* -0.5 x)
3.667 * [backup-simplify]: Simplify (- (/ (/ 1 x) 2.0) (/ 1 x)) into (- (* 0.5 (/ 1 x)))
3.667 * [approximate]: Taking taylor expansion of (- (* 0.5 (/ 1 x))) in (x) around 0
3.667 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 x))) in x
3.667 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
3.667 * [taylor]: Taking taylor expansion of 0.5 in x
3.668 * [backup-simplify]: Simplify 0.5 into 0.5
3.668 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.668 * [taylor]: Taking taylor expansion of x in x
3.668 * [backup-simplify]: Simplify 0 into 0
3.668 * [backup-simplify]: Simplify 1 into 1
3.668 * [backup-simplify]: Simplify (/ 1 1) into 1
3.668 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 x))) in x
3.668 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
3.668 * [taylor]: Taking taylor expansion of 0.5 in x
3.668 * [backup-simplify]: Simplify 0.5 into 0.5
3.668 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.668 * [taylor]: Taking taylor expansion of x in x
3.668 * [backup-simplify]: Simplify 0 into 0
3.668 * [backup-simplify]: Simplify 1 into 1
3.668 * [backup-simplify]: Simplify (/ 1 1) into 1
3.669 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
3.669 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.669 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.670 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.670 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
3.670 * [backup-simplify]: Simplify (- 0) into 0
3.670 * [backup-simplify]: Simplify 0 into 0
3.671 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.671 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
3.672 * [backup-simplify]: Simplify (- 0) into 0
3.672 * [backup-simplify]: Simplify 0 into 0
3.672 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.673 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.673 * [backup-simplify]: Simplify (- 0) into 0
3.673 * [backup-simplify]: Simplify 0 into 0
3.674 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.674 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.675 * [backup-simplify]: Simplify (- 0) into 0
3.675 * [backup-simplify]: Simplify 0 into 0
3.675 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.676 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.676 * [backup-simplify]: Simplify (- 0) into 0
3.676 * [backup-simplify]: Simplify 0 into 0
3.677 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.678 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.678 * [backup-simplify]: Simplify (- 0) into 0
3.678 * [backup-simplify]: Simplify 0 into 0
3.678 * [backup-simplify]: Simplify (* (- 0.5) (/ 1 (/ 1 x))) into (* -0.5 x)
3.678 * [backup-simplify]: Simplify (- (/ (/ 1 (- x)) 2.0) (/ 1 (- x))) into (* 0.5 (/ 1 x))
3.679 * [approximate]: Taking taylor expansion of (* 0.5 (/ 1 x)) in (x) around 0
3.679 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
3.679 * [taylor]: Taking taylor expansion of 0.5 in x
3.679 * [backup-simplify]: Simplify 0.5 into 0.5
3.679 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.679 * [taylor]: Taking taylor expansion of x in x
3.679 * [backup-simplify]: Simplify 0 into 0
3.679 * [backup-simplify]: Simplify 1 into 1
3.679 * [backup-simplify]: Simplify (/ 1 1) into 1
3.679 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
3.679 * [taylor]: Taking taylor expansion of 0.5 in x
3.679 * [backup-simplify]: Simplify 0.5 into 0.5
3.679 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.679 * [taylor]: Taking taylor expansion of x in x
3.679 * [backup-simplify]: Simplify 0 into 0
3.679 * [backup-simplify]: Simplify 1 into 1
3.679 * [backup-simplify]: Simplify (/ 1 1) into 1
3.680 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
3.680 * [backup-simplify]: Simplify 0.5 into 0.5
3.680 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.680 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
3.680 * [backup-simplify]: Simplify 0 into 0
3.681 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.682 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
3.682 * [backup-simplify]: Simplify 0 into 0
3.682 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.683 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.683 * [backup-simplify]: Simplify 0 into 0
3.683 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.684 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.684 * [backup-simplify]: Simplify 0 into 0
3.685 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.686 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.686 * [backup-simplify]: Simplify 0 into 0
3.686 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.687 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.687 * [backup-simplify]: Simplify 0 into 0
3.687 * [backup-simplify]: Simplify (* 0.5 (/ 1 (/ 1 (- x)))) into (* -0.5 x)
3.687 * * * [progress]: simplifying candidates
3.688 * [simplify]: Simplifying:
  (fma (* (cbrt (/ x 2.0)) (cbrt (/ x 2.0))) (cbrt (/ x 2.0)) (- (* (cbrt x) (* (cbrt x) (cbrt x)))))
  (fma (- (cbrt x)) (* (cbrt x) (cbrt x)) (* (cbrt x) (* (cbrt x) (cbrt x))))
  (fma (* (cbrt (/ x 2.0)) (cbrt (/ x 2.0))) (cbrt (/ x 2.0)) (- (* (sqrt x) (sqrt x))))
  (fma (- (sqrt x)) (sqrt x) (* (sqrt x) (sqrt x)))
  (fma (* (cbrt (/ x 2.0)) (cbrt (/ x 2.0))) (cbrt (/ x 2.0)) (- (* x 1)))
  (fma (- x) 1 (* x 1))
  (fma (sqrt (/ x 2.0)) (sqrt (/ x 2.0)) (- (* (cbrt x) (* (cbrt x) (cbrt x)))))
  (fma (- (cbrt x)) (* (cbrt x) (cbrt x)) (* (cbrt x) (* (cbrt x) (cbrt x))))
  (fma (sqrt (/ x 2.0)) (sqrt (/ x 2.0)) (- (* (sqrt x) (sqrt x))))
  (fma (- (sqrt x)) (sqrt x) (* (sqrt x) (sqrt x)))
  (fma (sqrt (/ x 2.0)) (sqrt (/ x 2.0)) (- (* x 1)))
  (fma (- x) 1 (* x 1))
  (fma (/ (* (cbrt x) (cbrt x)) (* (cbrt 2.0) (cbrt 2.0))) (/ (cbrt x) (cbrt 2.0)) (- (* (cbrt x) (* (cbrt x) (cbrt x)))))
  (fma (- (cbrt x)) (* (cbrt x) (cbrt x)) (* (cbrt x) (* (cbrt x) (cbrt x))))
  (fma (/ (* (cbrt x) (cbrt x)) (* (cbrt 2.0) (cbrt 2.0))) (/ (cbrt x) (cbrt 2.0)) (- (* (sqrt x) (sqrt x))))
  (fma (- (sqrt x)) (sqrt x) (* (sqrt x) (sqrt x)))
  (fma (/ (* (cbrt x) (cbrt x)) (* (cbrt 2.0) (cbrt 2.0))) (/ (cbrt x) (cbrt 2.0)) (- (* x 1)))
  (fma (- x) 1 (* x 1))
  (fma (/ (* (cbrt x) (cbrt x)) (sqrt 2.0)) (/ (cbrt x) (sqrt 2.0)) (- (* (cbrt x) (* (cbrt x) (cbrt x)))))
  (fma (- (cbrt x)) (* (cbrt x) (cbrt x)) (* (cbrt x) (* (cbrt x) (cbrt x))))
  (fma (/ (* (cbrt x) (cbrt x)) (sqrt 2.0)) (/ (cbrt x) (sqrt 2.0)) (- (* (sqrt x) (sqrt x))))
  (fma (- (sqrt x)) (sqrt x) (* (sqrt x) (sqrt x)))
  (fma (/ (* (cbrt x) (cbrt x)) (sqrt 2.0)) (/ (cbrt x) (sqrt 2.0)) (- (* x 1)))
  (fma (- x) 1 (* x 1))
  (fma (/ (* (cbrt x) (cbrt x)) 1) (/ (cbrt x) 2.0) (- (* (cbrt x) (* (cbrt x) (cbrt x)))))
  (fma (- (cbrt x)) (* (cbrt x) (cbrt x)) (* (cbrt x) (* (cbrt x) (cbrt x))))
  (fma (/ (* (cbrt x) (cbrt x)) 1) (/ (cbrt x) 2.0) (- (* (sqrt x) (sqrt x))))
  (fma (- (sqrt x)) (sqrt x) (* (sqrt x) (sqrt x)))
  (fma (/ (* (cbrt x) (cbrt x)) 1) (/ (cbrt x) 2.0) (- (* x 1)))
  (fma (- x) 1 (* x 1))
  (fma (/ (sqrt x) (* (cbrt 2.0) (cbrt 2.0))) (/ (sqrt x) (cbrt 2.0)) (- (* (cbrt x) (* (cbrt x) (cbrt x)))))
  (fma (- (cbrt x)) (* (cbrt x) (cbrt x)) (* (cbrt x) (* (cbrt x) (cbrt x))))
  (fma (/ (sqrt x) (* (cbrt 2.0) (cbrt 2.0))) (/ (sqrt x) (cbrt 2.0)) (- (* (sqrt x) (sqrt x))))
  (fma (- (sqrt x)) (sqrt x) (* (sqrt x) (sqrt x)))
  (fma (/ (sqrt x) (* (cbrt 2.0) (cbrt 2.0))) (/ (sqrt x) (cbrt 2.0)) (- (* x 1)))
  (fma (- x) 1 (* x 1))
  (fma (/ (sqrt x) (sqrt 2.0)) (/ (sqrt x) (sqrt 2.0)) (- (* (cbrt x) (* (cbrt x) (cbrt x)))))
  (fma (- (cbrt x)) (* (cbrt x) (cbrt x)) (* (cbrt x) (* (cbrt x) (cbrt x))))
  (fma (/ (sqrt x) (sqrt 2.0)) (/ (sqrt x) (sqrt 2.0)) (- (* (sqrt x) (sqrt x))))
  (fma (- (sqrt x)) (sqrt x) (* (sqrt x) (sqrt x)))
  (fma (/ (sqrt x) (sqrt 2.0)) (/ (sqrt x) (sqrt 2.0)) (- (* x 1)))
  (fma (- x) 1 (* x 1))
  (fma (/ (sqrt x) 1) (/ (sqrt x) 2.0) (- (* (cbrt x) (* (cbrt x) (cbrt x)))))
  (fma (- (cbrt x)) (* (cbrt x) (cbrt x)) (* (cbrt x) (* (cbrt x) (cbrt x))))
  (fma (/ (sqrt x) 1) (/ (sqrt x) 2.0) (- (* (sqrt x) (sqrt x))))
  (fma (- (sqrt x)) (sqrt x) (* (sqrt x) (sqrt x)))
  (fma (/ (sqrt x) 1) (/ (sqrt x) 2.0) (- (* x 1)))
  (fma (- x) 1 (* x 1))
  (fma (/ 1 (* (cbrt 2.0) (cbrt 2.0))) (/ x (cbrt 2.0)) (- (* (cbrt x) (* (cbrt x) (cbrt x)))))
  (fma (- (cbrt x)) (* (cbrt x) (cbrt x)) (* (cbrt x) (* (cbrt x) (cbrt x))))
  (fma (/ 1 (* (cbrt 2.0) (cbrt 2.0))) (/ x (cbrt 2.0)) (- (* (sqrt x) (sqrt x))))
  (fma (- (sqrt x)) (sqrt x) (* (sqrt x) (sqrt x)))
  (fma (/ 1 (* (cbrt 2.0) (cbrt 2.0))) (/ x (cbrt 2.0)) (- (* x 1)))
  (fma (- x) 1 (* x 1))
  (fma (/ 1 (sqrt 2.0)) (/ x (sqrt 2.0)) (- (* (cbrt x) (* (cbrt x) (cbrt x)))))
  (fma (- (cbrt x)) (* (cbrt x) (cbrt x)) (* (cbrt x) (* (cbrt x) (cbrt x))))
  (fma (/ 1 (sqrt 2.0)) (/ x (sqrt 2.0)) (- (* (sqrt x) (sqrt x))))
  (fma (- (sqrt x)) (sqrt x) (* (sqrt x) (sqrt x)))
  (fma (/ 1 (sqrt 2.0)) (/ x (sqrt 2.0)) (- (* x 1)))
  (fma (- x) 1 (* x 1))
  (fma (/ 1 1) (/ x 2.0) (- (* (cbrt x) (* (cbrt x) (cbrt x)))))
  (fma (- (cbrt x)) (* (cbrt x) (cbrt x)) (* (cbrt x) (* (cbrt x) (cbrt x))))
  (fma (/ 1 1) (/ x 2.0) (- (* (sqrt x) (sqrt x))))
  (fma (- (sqrt x)) (sqrt x) (* (sqrt x) (sqrt x)))
  (fma (/ 1 1) (/ x 2.0) (- (* x 1)))
  (fma (- x) 1 (* x 1))
  (fma 1 (/ x 2.0) (- (* (cbrt x) (* (cbrt x) (cbrt x)))))
  (fma (- (cbrt x)) (* (cbrt x) (cbrt x)) (* (cbrt x) (* (cbrt x) (cbrt x))))
  (fma 1 (/ x 2.0) (- (* (sqrt x) (sqrt x))))
  (fma (- (sqrt x)) (sqrt x) (* (sqrt x) (sqrt x)))
  (fma 1 (/ x 2.0) (- (* x 1)))
  (fma (- x) 1 (* x 1))
  (fma x (/ 1 2.0) (- (* (cbrt x) (* (cbrt x) (cbrt x)))))
  (fma (- (cbrt x)) (* (cbrt x) (cbrt x)) (* (cbrt x) (* (cbrt x) (cbrt x))))
  (fma x (/ 1 2.0) (- (* (sqrt x) (sqrt x))))
  (fma (- (sqrt x)) (sqrt x) (* (sqrt x) (sqrt x)))
  (fma x (/ 1 2.0) (- (* x 1)))
  (fma (- x) 1 (* x 1))
  (expm1 (- (/ x 2.0) x))
  (log1p (- (/ x 2.0) x))
  (- x)
  (- x)
  (- x)
  (- x)
  (- x)
  (- x)
  (- x)
  (- x)
  (- x)
  (- x)
  (- x)
  (- x)
  (- x)
  (/ (exp (/ x 2.0)) (exp x))
  (log (- (/ x 2.0) x))
  (exp (- (/ x 2.0) x))
  (* (cbrt (- (/ x 2.0) x)) (cbrt (- (/ x 2.0) x)))
  (cbrt (- (/ x 2.0) x))
  (* (* (- (/ x 2.0) x) (- (/ x 2.0) x)) (- (/ x 2.0) x))
  (sqrt (- (/ x 2.0) x))
  (sqrt (- (/ x 2.0) x))
  (- (pow (/ x 2.0) 3) (pow x 3))
  (+ (* (/ x 2.0) (/ x 2.0)) (+ (* x x) (* (/ x 2.0) x)))
  (- x)
  (- (* (/ x 2.0) (/ x 2.0)) (* x x))
  (+ (/ x 2.0) x)
  (+ (sqrt (/ x 2.0)) (sqrt x))
  (- (sqrt (/ x 2.0)) (sqrt x))
  (+ (/ (sqrt x) (sqrt 2.0)) (sqrt x))
  (- (/ (sqrt x) (sqrt 2.0)) (sqrt x))
  (- (/ x 2.0) x)
  (- x)
  (* -0.5 x)
  (* -0.5 x)
  (* -0.5 x)
3.690 * * [simplify]: iteration 0: 111 enodes
3.716 * * [simplify]: iteration 1: 250 enodes
3.766 * * [simplify]: iteration 2: 682 enodes
4.337 * * [simplify]: iteration 3: 3998 enodes
5.462 * * [simplify]: iteration complete: 5000 enodes
5.462 * * [simplify]: Extracting #0: cost 32 inf + 0
5.466 * * [simplify]: Extracting #1: cost 519 inf + 0
5.475 * * [simplify]: Extracting #2: cost 1061 inf + 318
5.480 * * [simplify]: Extracting #3: cost 946 inf + 1907
5.492 * * [simplify]: Extracting #4: cost 189 inf + 7507
5.498 * * [simplify]: Extracting #5: cost 1 inf + 9239
5.505 * * [simplify]: Extracting #6: cost 0 inf + 9253
5.516 * [simplify]: Simplified to:
  (- (pow (cbrt (/ x 2.0)) 3) x)
  (- x x)
  (- (pow (cbrt (/ x 2.0)) 3) x)
  (- x x)
  (- (pow (cbrt (/ x 2.0)) 3) x)
  (- x x)
  (- (/ x 2.0) x)
  (- x x)
  (- (/ x 2.0) x)
  (- x x)
  (- (/ x 2.0) x)
  (- x x)
  (- (pow (/ (cbrt x) (cbrt 2.0)) 3) x)
  (- x x)
  (- (pow (/ (cbrt x) (cbrt 2.0)) 3) x)
  (- x x)
  (- (pow (/ (cbrt x) (cbrt 2.0)) 3) x)
  (- x x)
  (- (/ (* (cbrt x) (/ (* (cbrt x) (cbrt x)) (sqrt 2.0))) (sqrt 2.0)) x)
  (- x x)
  (fma (/ (* (cbrt x) (cbrt x)) (sqrt 2.0)) (/ (cbrt x) (sqrt 2.0)) (- x))
  (- x x)
  (fma (/ (* (cbrt x) (cbrt x)) (sqrt 2.0)) (/ (cbrt x) (sqrt 2.0)) (- x))
  (- x x)
  (- (/ x 2.0) x)
  (- x x)
  (- (/ x 2.0) x)
  (- x x)
  (- (/ x 2.0) x)
  (- x x)
  (fma (/ (sqrt x) (* (cbrt 2.0) (cbrt 2.0))) (/ (sqrt x) (cbrt 2.0)) (- x))
  (- x x)
  (fma (/ (sqrt x) (* (cbrt 2.0) (cbrt 2.0))) (/ (sqrt x) (cbrt 2.0)) (- x))
  (- x x)
  (fma (/ (sqrt x) (* (cbrt 2.0) (cbrt 2.0))) (/ (sqrt x) (cbrt 2.0)) (- x))
  (- x x)
  (fma (/ (sqrt x) (sqrt 2.0)) (/ (sqrt x) (sqrt 2.0)) (- x))
  (- x x)
  (fma (/ (sqrt x) (sqrt 2.0)) (/ (sqrt x) (sqrt 2.0)) (- x))
  (- x x)
  (fma (/ (sqrt x) (sqrt 2.0)) (/ (sqrt x) (sqrt 2.0)) (- x))
  (- x x)
  (- (/ x 2.0) x)
  (- x x)
  (- (/ x 2.0) x)
  (- x x)
  (- (/ x 2.0) x)
  (- x x)
  (- (/ (/ x (cbrt 2.0)) (* (cbrt 2.0) (cbrt 2.0))) x)
  (- x x)
  (- (/ (/ x (cbrt 2.0)) (* (cbrt 2.0) (cbrt 2.0))) x)
  (- x x)
  (- (/ (/ x (cbrt 2.0)) (* (cbrt 2.0) (cbrt 2.0))) x)
  (- x x)
  (- (/ (/ x (sqrt 2.0)) (sqrt 2.0)) x)
  (- x x)
  (- (/ (/ x (sqrt 2.0)) (sqrt 2.0)) x)
  (- x x)
  (- (/ (/ x (sqrt 2.0)) (sqrt 2.0)) x)
  (- x x)
  (- (/ x 2.0) x)
  (- x x)
  (- (/ x 2.0) x)
  (- x x)
  (- (/ x 2.0) x)
  (- x x)
  (- (/ x 2.0) x)
  (- x x)
  (- (/ x 2.0) x)
  (- x x)
  (- (/ x 2.0) x)
  (- x x)
  (- (/ x 2.0) x)
  (- x x)
  (- (/ x 2.0) x)
  (- x x)
  (- (/ x 2.0) x)
  (- x x)
  (expm1 (- (/ x 2.0) x))
  (log1p (- (/ x 2.0) x))
  (- x)
  (- x)
  (- x)
  (- x)
  (- x)
  (- x)
  (- x)
  (- x)
  (- x)
  (- x)
  (- x)
  (- x)
  (- x)
  (exp (- (/ x 2.0) x))
  (log (- (/ x 2.0) x))
  (exp (- (/ x 2.0) x))
  (* (cbrt (- (/ x 2.0) x)) (cbrt (- (/ x 2.0) x)))
  (cbrt (- (/ x 2.0) x))
  (pow (- (/ x 2.0) x) 3)
  (sqrt (- (/ x 2.0) x))
  (sqrt (- (/ x 2.0) x))
  (- (pow (/ x 2.0) 3) (pow x 3))
  (fma x x (* (/ x 2.0) (+ (/ x 2.0) x)))
  (- x)
  (fma x (- x) (/ (* (/ x 2.0) x) 2.0))
  (+ x (/ x 2.0))
  (+ (sqrt (/ x 2.0)) (sqrt x))
  (- (sqrt (/ x 2.0)) (sqrt x))
  (+ (sqrt x) (/ (sqrt x) (sqrt 2.0)))
  (- (/ (sqrt x) (sqrt 2.0)) (sqrt x))
  (- (/ x 2.0) x)
  (- x)
  (* x -0.5)
  (* x -0.5)
  (* x -0.5)
5.517 * * * [progress]: adding candidates to table
5.810 * [progress]: [Phase 3 of 3] Extracting.
5.813 * [simplify]: Simplifying:
  (- (/ y 2.0) (- (/ x 2.0) x))
5.814 * * [simplify]: iteration 0: 7 enodes
5.814 * * [simplify]: iteration complete: 7 enodes
5.814 * * [simplify]: Extracting #0: cost 1 inf + 0
5.814 * * [simplify]: Extracting #1: cost 3 inf + 0
5.814 * * [simplify]: Extracting #2: cost 7 inf + 0
5.814 * * [simplify]: Extracting #3: cost 2 inf + 11
5.814 * * [simplify]: Extracting #4: cost 0 inf + 23
5.814 * [simplify]: Simplified to:
  (- (/ y 2.0) (- (/ x 2.0) x))
7.316 * [regime-testing]: Baseline error score: 0
7.327 * [regime-testing]: Oracle error score: 0
7.327 * [regime-testing]: End program error score: 0
7.416 * [regime-testing]: Target error score: 0