63.673 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.016 * * * [progress]: [2/2] Setting up program.
0.018 * [progress]: [Phase 2 of 3] Improving.
0.019 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #<alt (λ (x y) (+ x (/ (- y x) 2.0)))>
0.019 * [simplify]: Simplifying:
  (+ x (/ (- y x) 2.0))
0.019 * * [simplify]: iteration 0: 6 enodes
0.020 * * [simplify]: iteration 1: 12 enodes
0.021 * * [simplify]: iteration 2: 19 enodes
0.023 * * [simplify]: iteration 3: 28 enodes
0.026 * * [simplify]: iteration 4: 39 enodes
0.031 * * [simplify]: iteration 5: 96 enodes
0.049 * * [simplify]: iteration 6: 221 enodes
0.121 * * [simplify]: iteration 7: 621 enodes
0.598 * * [simplify]: iteration 8: 2177 enodes
1.286 * * [simplify]: iteration complete: 5001 enodes
1.286 * * [simplify]: Extracting #0: cost 1 inf + 0
1.289 * * [simplify]: Extracting #1: cost 1630 inf + 0
1.294 * * [simplify]: Extracting #2: cost 1824 inf + 124
1.303 * * [simplify]: Extracting #3: cost 1771 inf + 2748
1.327 * * [simplify]: Extracting #4: cost 175 inf + 178173
1.367 * * [simplify]: Extracting #5: cost 0 inf + 197178
1.407 * [simplify]: Simplified to:
  (+ (/ (- y x) 2.0) x)
1.407 * * [progress]: iteration 1 / 4
1.407 * * * [progress]: picking best candidate
1.409 * * * * [pick]: Picked  #<alt (λ (x y) (+ x (/ (- y x) 2.0)))>
1.409 * * * [progress]: localizing error
1.417 * * * [progress]: generating rewritten candidates
1.417 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
1.432 * * * [progress]: generating series expansions
1.432 * * * * [progress]: [ 1 / 1 ] generating series at (2)
1.432 * [backup-simplify]: Simplify (+ x (/ (- y x) 2.0)) into (+ (* 0.5 x) (* 0.5 y))
1.432 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in (x y) around 0
1.432 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y
1.432 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
1.432 * [taylor]: Taking taylor expansion of 0.5 in y
1.432 * [backup-simplify]: Simplify 0.5 into 0.5
1.432 * [taylor]: Taking taylor expansion of x in y
1.432 * [backup-simplify]: Simplify x into x
1.432 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
1.432 * [taylor]: Taking taylor expansion of 0.5 in y
1.432 * [backup-simplify]: Simplify 0.5 into 0.5
1.432 * [taylor]: Taking taylor expansion of y in y
1.432 * [backup-simplify]: Simplify 0 into 0
1.432 * [backup-simplify]: Simplify 1 into 1
1.432 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
1.432 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
1.432 * [taylor]: Taking taylor expansion of 0.5 in x
1.432 * [backup-simplify]: Simplify 0.5 into 0.5
1.432 * [taylor]: Taking taylor expansion of x in x
1.432 * [backup-simplify]: Simplify 0 into 0
1.432 * [backup-simplify]: Simplify 1 into 1
1.433 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
1.433 * [taylor]: Taking taylor expansion of 0.5 in x
1.433 * [backup-simplify]: Simplify 0.5 into 0.5
1.433 * [taylor]: Taking taylor expansion of y in x
1.433 * [backup-simplify]: Simplify y into y
1.433 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
1.433 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
1.433 * [taylor]: Taking taylor expansion of 0.5 in x
1.433 * [backup-simplify]: Simplify 0.5 into 0.5
1.433 * [taylor]: Taking taylor expansion of x in x
1.433 * [backup-simplify]: Simplify 0 into 0
1.433 * [backup-simplify]: Simplify 1 into 1
1.433 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
1.433 * [taylor]: Taking taylor expansion of 0.5 in x
1.433 * [backup-simplify]: Simplify 0.5 into 0.5
1.433 * [taylor]: Taking taylor expansion of y in x
1.433 * [backup-simplify]: Simplify y into y
1.434 * [backup-simplify]: Simplify (* 0.5 0) into 0
1.434 * [backup-simplify]: Simplify (* 0.5 y) into (* 0.5 y)
1.434 * [backup-simplify]: Simplify (+ 0 (* 0.5 y)) into (* 0.5 y)
1.434 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
1.434 * [taylor]: Taking taylor expansion of 0.5 in y
1.434 * [backup-simplify]: Simplify 0.5 into 0.5
1.434 * [taylor]: Taking taylor expansion of y in y
1.434 * [backup-simplify]: Simplify 0 into 0
1.434 * [backup-simplify]: Simplify 1 into 1
1.434 * [backup-simplify]: Simplify (* 0.5 0) into 0
1.434 * [backup-simplify]: Simplify 0 into 0
1.435 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
1.436 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 y)) into 0
1.436 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
1.436 * [taylor]: Taking taylor expansion of 0.5 in y
1.436 * [backup-simplify]: Simplify 0.5 into 0.5
1.436 * [backup-simplify]: Simplify 0.5 into 0.5
1.437 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
1.437 * [backup-simplify]: Simplify 0.5 into 0.5
1.438 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
1.439 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 y))) into 0
1.439 * [backup-simplify]: Simplify (+ 0 0) into 0
1.439 * [taylor]: Taking taylor expansion of 0 in y
1.439 * [backup-simplify]: Simplify 0 into 0
1.439 * [backup-simplify]: Simplify 0 into 0
1.439 * [backup-simplify]: Simplify 0 into 0
1.440 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
1.440 * [backup-simplify]: Simplify 0 into 0
1.441 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
1.442 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
1.442 * [backup-simplify]: Simplify (+ 0 0) into 0
1.442 * [taylor]: Taking taylor expansion of 0 in y
1.442 * [backup-simplify]: Simplify 0 into 0
1.442 * [backup-simplify]: Simplify 0 into 0
1.442 * [backup-simplify]: Simplify 0 into 0
1.442 * [backup-simplify]: Simplify 0 into 0
1.442 * [backup-simplify]: Simplify (+ (* 0.5 (* y 1)) (* 0.5 (* 1 x))) into (+ (* 0.5 x) (* 0.5 y))
1.443 * [backup-simplify]: Simplify (+ (/ 1 x) (/ (- (/ 1 y) (/ 1 x)) 2.0)) into (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
1.443 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in (x y) around 0
1.443 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in y
1.443 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
1.443 * [taylor]: Taking taylor expansion of 0.5 in y
1.443 * [backup-simplify]: Simplify 0.5 into 0.5
1.443 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.443 * [taylor]: Taking taylor expansion of x in y
1.443 * [backup-simplify]: Simplify x into x
1.443 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
1.443 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
1.443 * [taylor]: Taking taylor expansion of 0.5 in y
1.443 * [backup-simplify]: Simplify 0.5 into 0.5
1.443 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.443 * [taylor]: Taking taylor expansion of y in y
1.443 * [backup-simplify]: Simplify 0 into 0
1.443 * [backup-simplify]: Simplify 1 into 1
1.443 * [backup-simplify]: Simplify (/ 1 1) into 1
1.443 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
1.443 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
1.443 * [taylor]: Taking taylor expansion of 0.5 in x
1.443 * [backup-simplify]: Simplify 0.5 into 0.5
1.443 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.443 * [taylor]: Taking taylor expansion of x in x
1.443 * [backup-simplify]: Simplify 0 into 0
1.443 * [backup-simplify]: Simplify 1 into 1
1.444 * [backup-simplify]: Simplify (/ 1 1) into 1
1.444 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
1.444 * [taylor]: Taking taylor expansion of 0.5 in x
1.444 * [backup-simplify]: Simplify 0.5 into 0.5
1.444 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.444 * [taylor]: Taking taylor expansion of y in x
1.444 * [backup-simplify]: Simplify y into y
1.444 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
1.444 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
1.444 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
1.444 * [taylor]: Taking taylor expansion of 0.5 in x
1.444 * [backup-simplify]: Simplify 0.5 into 0.5
1.444 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.444 * [taylor]: Taking taylor expansion of x in x
1.444 * [backup-simplify]: Simplify 0 into 0
1.444 * [backup-simplify]: Simplify 1 into 1
1.444 * [backup-simplify]: Simplify (/ 1 1) into 1
1.444 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 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 (/ 1 y) in x
1.445 * [taylor]: Taking taylor expansion of y in x
1.445 * [backup-simplify]: Simplify y into y
1.445 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
1.445 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
1.445 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
1.445 * [taylor]: Taking taylor expansion of 0.5 in y
1.445 * [backup-simplify]: Simplify 0.5 into 0.5
1.446 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.447 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
1.447 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y)
1.447 * [backup-simplify]: Simplify (+ 0 (/ 0.5 y)) into (* 0.5 (/ 1 y))
1.447 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
1.447 * [taylor]: Taking taylor expansion of 0.5 in y
1.447 * [backup-simplify]: Simplify 0.5 into 0.5
1.447 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.447 * [taylor]: Taking taylor expansion of y in y
1.447 * [backup-simplify]: Simplify 0 into 0
1.447 * [backup-simplify]: Simplify 1 into 1
1.447 * [backup-simplify]: Simplify (/ 1 1) into 1
1.448 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
1.448 * [backup-simplify]: Simplify 0.5 into 0.5
1.448 * [backup-simplify]: Simplify 0.5 into 0.5
1.448 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.449 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
1.449 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
1.450 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0
1.450 * [backup-simplify]: Simplify (+ 0 0) into 0
1.450 * [taylor]: Taking taylor expansion of 0 in y
1.450 * [backup-simplify]: Simplify 0 into 0
1.450 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.451 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
1.451 * [backup-simplify]: Simplify 0 into 0
1.451 * [backup-simplify]: Simplify 0 into 0
1.452 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.453 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.453 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
1.453 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
1.454 * [backup-simplify]: Simplify (+ 0 0) into 0
1.454 * [taylor]: Taking taylor expansion of 0 in y
1.454 * [backup-simplify]: Simplify 0 into 0
1.454 * [backup-simplify]: Simplify 0 into 0
1.455 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.455 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
1.455 * [backup-simplify]: Simplify 0 into 0
1.455 * [backup-simplify]: Simplify 0 into 0
1.456 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.457 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.457 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
1.458 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
1.458 * [backup-simplify]: Simplify (+ 0 0) into 0
1.459 * [taylor]: Taking taylor expansion of 0 in y
1.459 * [backup-simplify]: Simplify 0 into 0
1.459 * [backup-simplify]: Simplify 0 into 0
1.459 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (/ 1 (/ 1 x)))) (* 0.5 (* (/ 1 (/ 1 y)) 1))) into (+ (* 0.5 x) (* 0.5 y))
1.459 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (/ (- (/ 1 (- y)) (/ 1 (- x))) 2.0)) into (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))))
1.459 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in (x y) around 0
1.459 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in y
1.459 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in y
1.459 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
1.459 * [taylor]: Taking taylor expansion of 0.5 in y
1.459 * [backup-simplify]: Simplify 0.5 into 0.5
1.459 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.459 * [taylor]: Taking taylor expansion of x in y
1.459 * [backup-simplify]: Simplify x into x
1.459 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
1.459 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
1.459 * [taylor]: Taking taylor expansion of 0.5 in y
1.459 * [backup-simplify]: Simplify 0.5 into 0.5
1.459 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.459 * [taylor]: Taking taylor expansion of y in y
1.459 * [backup-simplify]: Simplify 0 into 0
1.459 * [backup-simplify]: Simplify 1 into 1
1.460 * [backup-simplify]: Simplify (/ 1 1) into 1
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)) (* 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
1.460 * [backup-simplify]: Simplify (/ 1 1) into 1
1.460 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) 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 y) in x
1.460 * [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 x
1.461 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
1.461 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) 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 x) in x
1.461 * [taylor]: Taking taylor expansion of x in x
1.461 * [backup-simplify]: Simplify 0 into 0
1.461 * [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)
1.462 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
1.462 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
1.462 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.462 * [taylor]: Taking taylor expansion of (- 0.5) in y
1.463 * [taylor]: Taking taylor expansion of 0.5 in y
1.463 * [backup-simplify]: Simplify 0.5 into 0.5
1.463 * [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 (/ 1 y)) into (/ 0.5 y)
1.464 * [backup-simplify]: Simplify (+ 0 (/ 0.5 y)) into (* 0.5 (/ 1 y))
1.464 * [backup-simplify]: Simplify (- (* 0.5 (/ 1 y))) into (- (* 0.5 (/ 1 y)))
1.464 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in y
1.464 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
1.464 * [taylor]: Taking taylor expansion of 0.5 in y
1.464 * [backup-simplify]: Simplify 0.5 into 0.5
1.464 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.464 * [taylor]: Taking taylor expansion of y in y
1.464 * [backup-simplify]: Simplify 0 into 0
1.464 * [backup-simplify]: Simplify 1 into 1
1.464 * [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)
1.466 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.466 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.467 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.468 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
1.468 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
1.468 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0
1.468 * [backup-simplify]: Simplify (+ 0 0) into 0
1.469 * [backup-simplify]: Simplify (- 0) into 0
1.469 * [taylor]: Taking taylor expansion of 0 in y
1.469 * [backup-simplify]: Simplify 0 into 0
1.469 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.470 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
1.470 * [backup-simplify]: Simplify (- 0) into 0
1.470 * [backup-simplify]: Simplify 0 into 0
1.470 * [backup-simplify]: Simplify (- 0) into 0
1.470 * [backup-simplify]: Simplify 0 into 0
1.471 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.472 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.472 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
1.473 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
1.473 * [backup-simplify]: Simplify (+ 0 0) into 0
1.473 * [backup-simplify]: Simplify (- 0) into 0
1.473 * [taylor]: Taking taylor expansion of 0 in y
1.473 * [backup-simplify]: Simplify 0 into 0
1.474 * [backup-simplify]: Simplify 0 into 0
1.474 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.475 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
1.475 * [backup-simplify]: Simplify (- 0) into 0
1.475 * [backup-simplify]: Simplify 0 into 0
1.476 * [backup-simplify]: Simplify (- 0) into 0
1.476 * [backup-simplify]: Simplify 0 into 0
1.476 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.477 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.477 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
1.478 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
1.479 * [backup-simplify]: Simplify (+ 0 0) into 0
1.479 * [backup-simplify]: Simplify (- 0) into 0
1.479 * [taylor]: Taking taylor expansion of 0 in y
1.479 * [backup-simplify]: Simplify 0 into 0
1.479 * [backup-simplify]: Simplify 0 into 0
1.480 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (/ 1 (/ 1 (- x))))) (* (- 0.5) (* (/ 1 (/ 1 (- y))) 1))) into (+ (* 0.5 x) (* 0.5 y))
1.480 * * * [progress]: simplifying candidates
1.480 * * * * [progress]: [ 1 / 17 ] simplifiying candidate #<alt (λ (x y) (log (* (exp x) (exp (/ (- y x) 2.0)))))>
1.480 * * * * [progress]: [ 2 / 17 ] simplifiying candidate #<alt (λ (x y) (pow (+ x (/ (- y x) 2.0)) 1))>
1.480 * * * * [progress]: [ 3 / 17 ] simplifiying candidate #<alt (λ (x y) (exp (log (+ x (/ (- y x) 2.0)))))>
1.480 * * * * [progress]: [ 4 / 17 ] simplifiying candidate #<alt (λ (x y) (log (exp (+ x (/ (- y x) 2.0)))))>
1.480 * * * * [progress]: [ 5 / 17 ] simplifiying candidate #<alt (λ (x y) (* (* (cbrt (+ x (/ (- y x) 2.0))) (cbrt (+ x (/ (- y x) 2.0)))) (cbrt (+ x (/ (- y x) 2.0)))))>
1.480 * * * * [progress]: [ 6 / 17 ] simplifiying candidate #<alt (λ (x y) (cbrt (* (* (+ x (/ (- y x) 2.0)) (+ x (/ (- y x) 2.0))) (+ x (/ (- y x) 2.0)))))>
1.480 * * * * [progress]: [ 7 / 17 ] simplifiying candidate #<alt (λ (x y) (* (sqrt (+ x (/ (- y x) 2.0))) (sqrt (+ x (/ (- y x) 2.0)))))>
1.480 * * * * [progress]: [ 8 / 17 ] simplifiying candidate #<alt (λ (x y) (/ (+ (pow x 3) (pow (/ (- y x) 2.0) 3)) (+ (* x x) (- (* (/ (- y x) 2.0) (/ (- y x) 2.0)) (* x (/ (- y x) 2.0))))))>
1.480 * * * * [progress]: [ 9 / 17 ] simplifiying candidate #<alt (λ (x y) (* 1 (+ x (/ (- y x) 2.0))))>
1.480 * * * * [progress]: [ 10 / 17 ] simplifiying candidate #<alt (λ (x y) (/ (- (* x x) (* (/ (- y x) 2.0) (/ (- y x) 2.0))) (- x (/ (- y x) 2.0))))>
1.480 * * * * [progress]: [ 11 / 17 ] simplifiying candidate #<alt (λ (x y) (* 1 (+ x (/ (- y x) 2.0))))>
1.480 * * * * [progress]: [ 12 / 17 ] simplifiying candidate #<alt (λ (x y) (- (+ x (/ y 2.0)) (/ x 2.0)))>
1.481 * * * * [progress]: [ 13 / 17 ] simplifiying candidate #<alt (λ (x y) (posit16->real (real->posit16 (+ x (/ (- y x) 2.0)))))>
1.481 * * * * [progress]: [ 14 / 17 ] simplifiying candidate #<alt (λ (x y) (+ (/ (- y x) 2.0) x))>
1.481 * * * * [progress]: [ 15 / 17 ] simplifiying candidate #<alt (λ (x y) (+ (* 0.5 x) (* 0.5 y)))>
1.481 * * * * [progress]: [ 16 / 17 ] simplifiying candidate #<alt (λ (x y) (+ (* 0.5 x) (* 0.5 y)))>
1.481 * * * * [progress]: [ 17 / 17 ] simplifiying candidate #<alt (λ (x y) (+ (* 0.5 x) (* 0.5 y)))>
1.481 * [simplify]: Simplifying:
  (* (exp x) (exp (/ (- 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)))
  (* (* (+ x (/ (- y x) 2.0)) (+ x (/ (- y x) 2.0))) (+ x (/ (- y x) 2.0)))
  (sqrt (+ x (/ (- y x) 2.0)))
  (sqrt (+ x (/ (- y x) 2.0)))
  (+ (pow x 3) (pow (/ (- y x) 2.0) 3))
  (+ (* x x) (- (* (/ (- y x) 2.0) (/ (- y x) 2.0)) (* x (/ (- y x) 2.0))))
  (- (* x x) (* (/ (- y x) 2.0) (/ (- y x) 2.0)))
  (- x (/ (- y x) 2.0))
  (+ x (/ (- y x) 2.0))
  (+ x (/ y 2.0))
  (real->posit16 (+ x (/ (- y x) 2.0)))
  (+ (* 0.5 x) (* 0.5 y))
  (+ (* 0.5 x) (* 0.5 y))
  (+ (* 0.5 x) (* 0.5 y))
1.481 * * [simplify]: iteration 0: 34 enodes
1.489 * * [simplify]: iteration 1: 93 enodes
1.511 * * [simplify]: iteration 2: 249 enodes
1.575 * * [simplify]: iteration 3: 815 enodes
1.946 * * [simplify]: iteration complete: 5000 enodes
1.946 * * [simplify]: Extracting #0: cost 14 inf + 0
1.947 * * [simplify]: Extracting #1: cost 305 inf + 0
1.951 * * [simplify]: Extracting #2: cost 1375 inf + 324
1.962 * * [simplify]: Extracting #3: cost 1636 inf + 26736
2.013 * * [simplify]: Extracting #4: cost 716 inf + 229621
2.115 * * [simplify]: Extracting #5: cost 37 inf + 393698
2.218 * * [simplify]: Extracting #6: cost 0 inf + 407049
2.310 * [simplify]: Simplified to:
  (exp (+ (/ (- y x) 2.0) 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))
  (+ (* x (* x x)) (* (/ (- y x) 2.0) (* (/ (- y x) 2.0) (/ (- y x) 2.0))))
  (+ (* x x) (* (/ (- y x) 2.0) (- (/ (- y x) 2.0) x)))
  (- (* x x) (* (/ (- y x) 2.0) (/ (- y x) 2.0)))
  (- x (/ (- y x) 2.0))
  (+ (/ (- y x) 2.0) x)
  (+ (/ y 2.0) x)
  (real->posit16 (+ (/ (- y x) 2.0) x))
  (* 0.5 (+ x y))
  (* 0.5 (+ x y))
  (* 0.5 (+ x y))
2.311 * * * [progress]: adding candidates to table
2.354 * * [progress]: iteration 2 / 4
2.354 * * * [progress]: picking best candidate
2.355 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (+ x y)))>
2.355 * * * [progress]: localizing error
2.361 * * * [progress]: generating rewritten candidates
2.361 * * * [progress]: generating series expansions
2.361 * * * [progress]: simplifying candidates
2.361 * [simplify]: Simplifying:
  
2.361 * * [simplify]: iteration 0: 0 enodes
2.361 * * [simplify]: iteration complete: 0 enodes
2.361 * * [simplify]: Extracting #0: cost 0 inf + 0
2.362 * [simplify]: Simplified to:
  
2.362 * * * [progress]: adding candidates to table
2.362 * [progress]: [Phase 3 of 3] Extracting.
2.364 * [simplify]: Simplifying:
  (* 0.5 (+ x y))
2.364 * * [simplify]: iteration 0: 5 enodes
2.365 * * [simplify]: iteration 1: 7 enodes
2.365 * * [simplify]: iteration complete: 7 enodes
2.365 * * [simplify]: Extracting #0: cost 1 inf + 0
2.365 * * [simplify]: Extracting #1: cost 3 inf + 0
2.365 * * [simplify]: Extracting #2: cost 4 inf + 1
2.365 * * [simplify]: Extracting #3: cost 0 inf + 128
2.365 * [simplify]: Simplified to:
  (* (+ x y) 0.5)
3.123 * [regime-testing]: Baseline error score: 0
3.125 * [regime-testing]: Oracle error score: 0
3.126 * [regime-testing]: End program error score: 0
3.165 * [regime-testing]: Target error score: 0