95.493 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.017 * * * [progress]: [2/2] Setting up program. 0.020 * [progress]: [Phase 2 of 3] Improving. 0.020 * [simplify]: Simplifying: (+ x (/ (- y x) 2.0)) 0.021 * * [simplify]: Extracting # 0 : cost 1 inf + 0 0.021 * * [simplify]: Extracting # 1 : cost 3 inf + 0 0.021 * * [simplify]: Extracting # 2 : cost 4 inf + 1 0.021 * * [simplify]: Extracting # 3 : cost 4 inf + 2 0.021 * * [simplify]: Extracting # 4 : cost 0 inf + 251 0.021 * * [simplify]: iteration 0 : 6 enodes (cost 123 ) 0.022 * * [simplify]: Extracting # 0 : cost 0 inf + 251 0.022 * * [simplify]: Extracting # 1 : cost 3 inf + 251 0.022 * * [simplify]: Extracting # 2 : cost 0 inf + 376 0.022 * * [simplify]: iteration 1 : 12 enodes (cost 123 ) 0.023 * * [simplify]: Extracting # 0 : cost 0 inf + 376 0.023 * * [simplify]: Extracting # 1 : cost 3 inf + 376 0.023 * * [simplify]: Extracting # 2 : cost 0 inf + 623 0.023 * * [simplify]: iteration 2 : 19 enodes (cost 123 ) 0.026 * * [simplify]: Extracting # 0 : cost 0 inf + 623 0.026 * * [simplify]: Extracting # 1 : cost 2 inf + 623 0.026 * * [simplify]: Extracting # 2 : cost 0 inf + 867 0.026 * * [simplify]: iteration 3 : 28 enodes (cost 123 ) 0.029 * * [simplify]: Extracting # 0 : cost 0 inf + 867 0.030 * * [simplify]: Extracting # 1 : cost 2 inf + 867 0.030 * * [simplify]: Extracting # 2 : cost 0 inf + 1030 0.030 * * [simplify]: iteration 4 : 39 enodes (cost 123 ) 0.035 * * [simplify]: Extracting # 0 : cost 0 inf + 1030 0.036 * * [simplify]: Extracting # 1 : cost 17 inf + 787 0.036 * * [simplify]: Extracting # 2 : cost 0 inf + 2225 0.037 * * [simplify]: iteration 5 : 96 enodes (cost 123 ) 0.049 * * [simplify]: Extracting # 0 : cost 0 inf + 2225 0.050 * * [simplify]: Extracting # 1 : cost 28 inf + 1940 0.051 * * [simplify]: Extracting # 2 : cost 0 inf + 4362 0.052 * * [simplify]: iteration 6 : 221 enodes (cost 123 ) 0.104 * * [simplify]: Extracting # 0 : cost 0 inf + 4362 0.106 * * [simplify]: Extracting # 1 : cost 91 inf + 4081 0.109 * * [simplify]: Extracting # 2 : cost 0 inf + 12411 0.113 * * [simplify]: iteration 7 : 621 enodes (cost 123 ) 0.599 * * [simplify]: Extracting # 0 : cost 0 inf + 12411 0.609 * * [simplify]: Extracting # 1 : cost 333 inf + 11244 0.625 * * [simplify]: Extracting # 2 : cost 0 inf + 42300 0.643 * * [simplify]: iteration 8 : 2177 enodes (cost 123 ) 1.368 * * [simplify]: Extracting # 0 : cost 0 inf + 42300 1.386 * * [simplify]: Extracting # 1 : cost 1412 inf + 36178 1.429 * * [simplify]: Extracting # 2 : cost 0 inf + 197218 1.482 * * [simplify]: iteration done: 5001 enodes (cost 123 ) 1.482 * [simplify]: Simplified to: (+ x (/ (- y x) 2.0)) 1.483 * * [progress]: iteration 1 / 4 1.483 * * * [progress]: picking best candidate 1.488 * * * * [pick]: Picked # 1.488 * * * [progress]: localizing error 1.497 * * * [progress]: generating rewritten candidates 1.497 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 1.516 * * * [progress]: generating series expansions 1.516 * * * * [progress]: [ 1 / 1 ] generating series at (2) 1.516 * [backup-simplify]: Simplify (+ x (/ (- y x) 2.0)) into (+ (* 0.5 x) (* 0.5 y)) 1.516 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in (x y) around 0 1.516 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y 1.516 * [taylor]: Taking taylor expansion of (* 0.5 x) in y 1.516 * [taylor]: Taking taylor expansion of 0.5 in y 1.516 * [backup-simplify]: Simplify 0.5 into 0.5 1.516 * [taylor]: Taking taylor expansion of x in y 1.516 * [backup-simplify]: Simplify x into x 1.516 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 1.516 * [taylor]: Taking taylor expansion of 0.5 in y 1.516 * [backup-simplify]: Simplify 0.5 into 0.5 1.516 * [taylor]: Taking taylor expansion of y in y 1.516 * [backup-simplify]: Simplify 0 into 0 1.516 * [backup-simplify]: Simplify 1 into 1 1.516 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x 1.517 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 1.517 * [taylor]: Taking taylor expansion of 0.5 in x 1.517 * [backup-simplify]: Simplify 0.5 into 0.5 1.517 * [taylor]: Taking taylor expansion of x in x 1.517 * [backup-simplify]: Simplify 0 into 0 1.517 * [backup-simplify]: Simplify 1 into 1 1.517 * [taylor]: Taking taylor expansion of (* 0.5 y) in x 1.517 * [taylor]: Taking taylor expansion of 0.5 in x 1.517 * [backup-simplify]: Simplify 0.5 into 0.5 1.517 * [taylor]: Taking taylor expansion of y in x 1.517 * [backup-simplify]: Simplify y into y 1.517 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x 1.517 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 1.517 * [taylor]: Taking taylor expansion of 0.5 in x 1.517 * [backup-simplify]: Simplify 0.5 into 0.5 1.517 * [taylor]: Taking taylor expansion of x in x 1.517 * [backup-simplify]: Simplify 0 into 0 1.517 * [backup-simplify]: Simplify 1 into 1 1.517 * [taylor]: Taking taylor expansion of (* 0.5 y) in x 1.517 * [taylor]: Taking taylor expansion of 0.5 in x 1.517 * [backup-simplify]: Simplify 0.5 into 0.5 1.517 * [taylor]: Taking taylor expansion of y in x 1.517 * [backup-simplify]: Simplify y into y 1.517 * [backup-simplify]: Simplify (* 0.5 0) into 0 1.517 * [backup-simplify]: Simplify (* 0.5 y) into (* 0.5 y) 1.517 * [backup-simplify]: Simplify (+ 0 (* 0.5 y)) into (* 0.5 y) 1.517 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 1.518 * [taylor]: Taking taylor expansion of 0.5 in y 1.518 * [backup-simplify]: Simplify 0.5 into 0.5 1.518 * [taylor]: Taking taylor expansion of y in y 1.518 * [backup-simplify]: Simplify 0 into 0 1.518 * [backup-simplify]: Simplify 1 into 1 1.518 * [backup-simplify]: Simplify (* 0.5 0) into 0 1.518 * [backup-simplify]: Simplify 0 into 0 1.519 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 1.519 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 y)) into 0 1.519 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5 1.519 * [taylor]: Taking taylor expansion of 0.5 in y 1.519 * [backup-simplify]: Simplify 0.5 into 0.5 1.519 * [backup-simplify]: Simplify 0.5 into 0.5 1.520 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 1.520 * [backup-simplify]: Simplify 0.5 into 0.5 1.521 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 1.521 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 y))) into 0 1.522 * [backup-simplify]: Simplify (+ 0 0) into 0 1.522 * [taylor]: Taking taylor expansion of 0 in y 1.522 * [backup-simplify]: Simplify 0 into 0 1.522 * [backup-simplify]: Simplify 0 into 0 1.522 * [backup-simplify]: Simplify 0 into 0 1.522 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 1.522 * [backup-simplify]: Simplify 0 into 0 1.523 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0 1.524 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0 1.524 * [backup-simplify]: Simplify (+ 0 0) into 0 1.524 * [taylor]: Taking taylor expansion of 0 in y 1.524 * [backup-simplify]: Simplify 0 into 0 1.524 * [backup-simplify]: Simplify 0 into 0 1.524 * [backup-simplify]: Simplify 0 into 0 1.524 * [backup-simplify]: Simplify 0 into 0 1.524 * [backup-simplify]: Simplify (+ (* 0.5 (* y 1)) (* 0.5 (* 1 x))) into (+ (* 0.5 x) (* 0.5 y)) 1.524 * [backup-simplify]: Simplify (+ (/ 1 x) (/ (- (/ 1 y) (/ 1 x)) 2.0)) into (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) 1.524 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in (x y) around 0 1.524 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in y 1.524 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y 1.524 * [taylor]: Taking taylor expansion of 0.5 in y 1.524 * [backup-simplify]: Simplify 0.5 into 0.5 1.524 * [taylor]: Taking taylor expansion of (/ 1 x) in y 1.524 * [taylor]: Taking taylor expansion of x in y 1.524 * [backup-simplify]: Simplify x into x 1.524 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 1.525 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.525 * [taylor]: Taking taylor expansion of 0.5 in y 1.525 * [backup-simplify]: Simplify 0.5 into 0.5 1.525 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.525 * [taylor]: Taking taylor expansion of y in y 1.525 * [backup-simplify]: Simplify 0 into 0 1.525 * [backup-simplify]: Simplify 1 into 1 1.525 * [backup-simplify]: Simplify (/ 1 1) into 1 1.525 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x 1.525 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.525 * [taylor]: Taking taylor expansion of 0.5 in x 1.525 * [backup-simplify]: Simplify 0.5 into 0.5 1.525 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.525 * [taylor]: Taking taylor expansion of x in x 1.525 * [backup-simplify]: Simplify 0 into 0 1.525 * [backup-simplify]: Simplify 1 into 1 1.525 * [backup-simplify]: Simplify (/ 1 1) into 1 1.525 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.526 * [taylor]: Taking taylor expansion of 0.5 in x 1.526 * [backup-simplify]: Simplify 0.5 into 0.5 1.526 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.526 * [taylor]: Taking taylor expansion of y in x 1.526 * [backup-simplify]: Simplify y into y 1.526 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.526 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x 1.526 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.526 * [taylor]: Taking taylor expansion of 0.5 in x 1.526 * [backup-simplify]: Simplify 0.5 into 0.5 1.526 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.526 * [taylor]: Taking taylor expansion of x in x 1.526 * [backup-simplify]: Simplify 0 into 0 1.526 * [backup-simplify]: Simplify 1 into 1 1.526 * [backup-simplify]: Simplify (/ 1 1) into 1 1.526 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.526 * [taylor]: Taking taylor expansion of 0.5 in x 1.526 * [backup-simplify]: Simplify 0.5 into 0.5 1.526 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.526 * [taylor]: Taking taylor expansion of y in x 1.526 * [backup-simplify]: Simplify y into y 1.526 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.527 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.527 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5 1.527 * [taylor]: Taking taylor expansion of 0.5 in y 1.527 * [backup-simplify]: Simplify 0.5 into 0.5 1.528 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 1.528 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 1.528 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y) 1.528 * [backup-simplify]: Simplify (+ 0 (/ 0.5 y)) into (* 0.5 (/ 1 y)) 1.528 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.529 * [taylor]: Taking taylor expansion of 0.5 in y 1.529 * [backup-simplify]: Simplify 0.5 into 0.5 1.529 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.529 * [taylor]: Taking taylor expansion of y in y 1.529 * [backup-simplify]: Simplify 0 into 0 1.529 * [backup-simplify]: Simplify 1 into 1 1.529 * [backup-simplify]: Simplify (/ 1 1) into 1 1.529 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.529 * [backup-simplify]: Simplify 0.5 into 0.5 1.529 * [backup-simplify]: Simplify 0.5 into 0.5 1.530 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.531 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 1.531 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 1.531 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0 1.532 * [backup-simplify]: Simplify (+ 0 0) into 0 1.532 * [taylor]: Taking taylor expansion of 0 in y 1.532 * [backup-simplify]: Simplify 0 into 0 1.532 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 1.533 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 1.533 * [backup-simplify]: Simplify 0 into 0 1.533 * [backup-simplify]: Simplify 0 into 0 1.534 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.535 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 1.535 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.536 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0 1.536 * [backup-simplify]: Simplify (+ 0 0) into 0 1.536 * [taylor]: Taking taylor expansion of 0 in y 1.536 * [backup-simplify]: Simplify 0 into 0 1.536 * [backup-simplify]: Simplify 0 into 0 1.537 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.537 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 1.537 * [backup-simplify]: Simplify 0 into 0 1.537 * [backup-simplify]: Simplify 0 into 0 1.538 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.539 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 1.539 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.540 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0 1.540 * [backup-simplify]: Simplify (+ 0 0) into 0 1.540 * [taylor]: Taking taylor expansion of 0 in y 1.540 * [backup-simplify]: Simplify 0 into 0 1.540 * [backup-simplify]: Simplify 0 into 0 1.541 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (/ 1 (/ 1 x)))) (* 0.5 (* (/ 1 (/ 1 y)) 1))) into (+ (* 0.5 x) (* 0.5 y)) 1.541 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (/ (- (/ 1 (- y)) (/ 1 (- x))) 2.0)) into (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) 1.541 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in (x y) around 0 1.541 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in y 1.541 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in y 1.541 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y 1.541 * [taylor]: Taking taylor expansion of 0.5 in y 1.541 * [backup-simplify]: Simplify 0.5 into 0.5 1.541 * [taylor]: Taking taylor expansion of (/ 1 x) in y 1.541 * [taylor]: Taking taylor expansion of x in y 1.541 * [backup-simplify]: Simplify x into x 1.541 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 1.541 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.541 * [taylor]: Taking taylor expansion of 0.5 in y 1.541 * [backup-simplify]: Simplify 0.5 into 0.5 1.541 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.541 * [taylor]: Taking taylor expansion of y in y 1.541 * [backup-simplify]: Simplify 0 into 0 1.541 * [backup-simplify]: Simplify 1 into 1 1.541 * [backup-simplify]: Simplify (/ 1 1) into 1 1.541 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in x 1.541 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x 1.541 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.541 * [taylor]: Taking taylor expansion of 0.5 in x 1.541 * [backup-simplify]: Simplify 0.5 into 0.5 1.541 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.541 * [taylor]: Taking taylor expansion of x in x 1.541 * [backup-simplify]: Simplify 0 into 0 1.541 * [backup-simplify]: Simplify 1 into 1 1.542 * [backup-simplify]: Simplify (/ 1 1) into 1 1.542 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.542 * [taylor]: Taking taylor expansion of 0.5 in x 1.542 * [backup-simplify]: Simplify 0.5 into 0.5 1.542 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.542 * [taylor]: Taking taylor expansion of y in x 1.542 * [backup-simplify]: Simplify y into y 1.542 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.542 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in x 1.542 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x 1.542 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.542 * [taylor]: Taking taylor expansion of 0.5 in x 1.542 * [backup-simplify]: Simplify 0.5 into 0.5 1.542 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.542 * [taylor]: Taking taylor expansion of x in x 1.542 * [backup-simplify]: Simplify 0 into 0 1.542 * [backup-simplify]: Simplify 1 into 1 1.542 * [backup-simplify]: Simplify (/ 1 1) into 1 1.542 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.542 * [taylor]: Taking taylor expansion of 0.5 in x 1.542 * [backup-simplify]: Simplify 0.5 into 0.5 1.542 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.542 * [taylor]: Taking taylor expansion of y in x 1.542 * [backup-simplify]: Simplify y into y 1.542 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.543 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.543 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5 1.543 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.543 * [taylor]: Taking taylor expansion of (- 0.5) in y 1.543 * [taylor]: Taking taylor expansion of 0.5 in y 1.543 * [backup-simplify]: Simplify 0.5 into 0.5 1.544 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 1.544 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 1.544 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y) 1.544 * [backup-simplify]: Simplify (+ 0 (/ 0.5 y)) into (* 0.5 (/ 1 y)) 1.544 * [backup-simplify]: Simplify (- (* 0.5 (/ 1 y))) into (- (* 0.5 (/ 1 y))) 1.544 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in y 1.544 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.544 * [taylor]: Taking taylor expansion of 0.5 in y 1.544 * [backup-simplify]: Simplify 0.5 into 0.5 1.544 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.544 * [taylor]: Taking taylor expansion of y in y 1.544 * [backup-simplify]: Simplify 0 into 0 1.544 * [backup-simplify]: Simplify 1 into 1 1.545 * [backup-simplify]: Simplify (/ 1 1) into 1 1.545 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.545 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.545 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.546 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.546 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.546 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.547 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 1.547 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 1.547 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0 1.547 * [backup-simplify]: Simplify (+ 0 0) into 0 1.548 * [backup-simplify]: Simplify (- 0) into 0 1.548 * [taylor]: Taking taylor expansion of 0 in y 1.548 * [backup-simplify]: Simplify 0 into 0 1.548 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 1.549 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 1.549 * [backup-simplify]: Simplify (- 0) into 0 1.549 * [backup-simplify]: Simplify 0 into 0 1.549 * [backup-simplify]: Simplify (- 0) into 0 1.549 * [backup-simplify]: Simplify 0 into 0 1.550 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.550 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 1.550 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.551 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0 1.551 * [backup-simplify]: Simplify (+ 0 0) into 0 1.551 * [backup-simplify]: Simplify (- 0) into 0 1.551 * [taylor]: Taking taylor expansion of 0 in y 1.551 * [backup-simplify]: Simplify 0 into 0 1.551 * [backup-simplify]: Simplify 0 into 0 1.552 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.552 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 1.553 * [backup-simplify]: Simplify (- 0) into 0 1.553 * [backup-simplify]: Simplify 0 into 0 1.553 * [backup-simplify]: Simplify (- 0) into 0 1.553 * [backup-simplify]: Simplify 0 into 0 1.554 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.554 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 1.554 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.555 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0 1.555 * [backup-simplify]: Simplify (+ 0 0) into 0 1.556 * [backup-simplify]: Simplify (- 0) into 0 1.556 * [taylor]: Taking taylor expansion of 0 in y 1.556 * [backup-simplify]: Simplify 0 into 0 1.556 * [backup-simplify]: Simplify 0 into 0 1.556 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (/ 1 (/ 1 (- x))))) (* (- 0.5) (* (/ 1 (/ 1 (- y))) 1))) into (+ (* 0.5 x) (* 0.5 y)) 1.556 * * * [progress]: simplifying candidates 1.557 * [simplify]: Simplifying: (expm1 (+ x (/ (- y x) 2.0))) (log1p (+ x (/ (- y x) 2.0))) (* (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)) (+ (* 0.5 x) (* 0.5 y)) (+ (* 0.5 x) (* 0.5 y)) (+ (* 0.5 x) (* 0.5 y)) 1.557 * * [simplify]: Extracting # 0 : cost 16 inf + 0 1.557 * * [simplify]: Extracting # 1 : cost 29 inf + 0 1.557 * * [simplify]: Extracting # 2 : cost 33 inf + 72 1.557 * * [simplify]: Extracting # 3 : cost 27 inf + 159 1.557 * * [simplify]: Extracting # 4 : cost 15 inf + 1722 1.558 * * [simplify]: Extracting # 5 : cost 1 inf + 4705 1.558 * * [simplify]: Extracting # 6 : cost 0 inf + 4988 1.559 * * [simplify]: iteration 0 : 35 enodes (cost 3758 ) 1.570 * * [simplify]: Extracting # 0 : cost 0 inf + 4988 1.571 * * [simplify]: Extracting # 1 : cost 23 inf + 4283 1.572 * * [simplify]: Extracting # 2 : cost 3 inf + 7269 1.574 * * [simplify]: Extracting # 3 : cost 2 inf + 7215 1.575 * * [simplify]: Extracting # 4 : cost 0 inf + 7721 1.577 * * [simplify]: iteration 1 : 98 enodes (cost 3242 ) 1.604 * * [simplify]: Extracting # 0 : cost 0 inf + 7721 1.606 * * [simplify]: Extracting # 1 : cost 44 inf + 6816 1.610 * * [simplify]: Extracting # 2 : cost 3 inf + 12914 1.614 * * [simplify]: Extracting # 3 : cost 0 inf + 13290 1.617 * * [simplify]: iteration 2 : 269 enodes (cost 3217 ) 1.706 * * [simplify]: Extracting # 0 : cost 0 inf + 13290 1.713 * * [simplify]: Extracting # 1 : cost 202 inf + 10851 1.725 * * [simplify]: Extracting # 2 : cost 3 inf + 52368 1.739 * * [simplify]: Extracting # 3 : cost 1 inf + 52663 1.753 * * [simplify]: Extracting # 4 : cost 0 inf + 52875 1.770 * * [simplify]: iteration 3 : 882 enodes (cost 3217 ) 2.164 * * [simplify]: Extracting # 0 : cost 0 inf + 52875 2.203 * * [simplify]: Extracting # 1 : cost 1881 inf + 41943 2.288 * * [simplify]: Extracting # 2 : cost 85 inf + 434505 2.375 * * [simplify]: Extracting # 3 : cost 82 inf + 433075 2.461 * * [simplify]: Extracting # 4 : cost 17 inf + 440285 2.548 * * [simplify]: Extracting # 5 : cost 0 inf + 445488 2.634 * * [simplify]: iteration done: 5000 enodes (cost 3217 ) 2.634 * [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))) (* (* (+ 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))) (fma x (* x x) (* (* (/ (- y x) 2.0) (/ (- y x) 2.0)) (/ (- y x) 2.0))) (fma 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)) (+ x (/ (- y x) 2.0)) (+ x (/ y 2.0)) (* 0.5 (+ x y)) (* 0.5 (+ x y)) (* 0.5 (+ x y)) 2.635 * * * [progress]: adding candidates to table 2.701 * * [progress]: iteration 2 / 4 2.701 * * * [progress]: picking best candidate 2.704 * * * * [pick]: Picked # 2.704 * * * [progress]: localizing error 2.710 * * * [progress]: generating rewritten candidates 2.710 * * * [progress]: generating series expansions 2.710 * * * [progress]: simplifying candidates 2.710 * [simplify]: Simplifying: 2.710 * * [simplify]: Extracting # 0 : cost 0 inf + 0 2.710 * * [simplify]: iteration 0 : 0 enodes (cost 0 ) 2.710 * * [simplify]: Extracting # 0 : cost 0 inf + 0 2.710 * * [simplify]: iteration done: 0 enodes (cost 0 ) 2.710 * [simplify]: Simplified to: 2.710 * * * [progress]: adding candidates to table 2.711 * [progress]: [Phase 3 of 3] Extracting. 2.714 * [simplify]: Simplifying: (* 0.5 (+ x y)) 2.714 * * [simplify]: Extracting # 0 : cost 1 inf + 0 2.714 * * [simplify]: Extracting # 1 : cost 3 inf + 0 2.714 * * [simplify]: Extracting # 2 : cost 4 inf + 1 2.714 * * [simplify]: Extracting # 3 : cost 0 inf + 128 2.714 * * [simplify]: iteration 0 : 5 enodes (cost 83 ) 2.714 * * [simplify]: Extracting # 0 : cost 0 inf + 128 2.714 * * [simplify]: iteration 1 : 7 enodes (cost 83 ) 2.714 * * [simplify]: Extracting # 0 : cost 0 inf + 128 2.714 * * [simplify]: iteration done: 7 enodes (cost 83 ) 2.715 * [simplify]: Simplified to: (* 0.5 (+ x y)) 3.684 * [regime-testing]: Baseline error score: 0 3.692 * [regime-testing]: Oracle error score: 0 3.692 * [regime-testing]: End program error score: 0 3.777 * [regime-testing]: Target error score: 0