42.578 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.016 * * * [progress]: [2/2] Setting up program. 0.019 * [progress]: [Phase 2 of 3] Improving. 0.019 * [simplify]: Simplifying: (+ x (/ (- y x) 2.0)) 0.019 * * [simplify]: Extracting # 0 : cost 1 inf + 0 0.020 * * [simplify]: Extracting # 1 : cost 3 inf + 0 0.020 * * [simplify]: Extracting # 2 : cost 4 inf + 1 0.020 * * [simplify]: Extracting # 3 : cost 4 inf + 2 0.020 * * [simplify]: Extracting # 4 : cost 0 inf + 251 0.020 * * [simplify]: iteration 0 : 6 enodes (cost 123 ) 0.021 * * [simplify]: Extracting # 0 : cost 0 inf + 251 0.021 * * [simplify]: Extracting # 1 : cost 3 inf + 251 0.021 * * [simplify]: Extracting # 2 : cost 0 inf + 376 0.021 * * [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 0.027 * * [simplify]: Extracting # 2 : cost 0 inf + 867 0.027 * * [simplify]: iteration 3 : 28 enodes (cost 123 ) 0.031 * * [simplify]: Extracting # 0 : cost 0 inf + 867 0.032 * * [simplify]: Extracting # 1 : cost 2 inf + 867 0.032 * * [simplify]: Extracting # 2 : cost 0 inf + 1030 0.032 * * [simplify]: iteration 4 : 39 enodes (cost 123 ) 0.040 * * [simplify]: Extracting # 0 : cost 0 inf + 1030 0.040 * * [simplify]: Extracting # 1 : cost 17 inf + 787 0.041 * * [simplify]: Extracting # 2 : cost 0 inf + 2225 0.042 * * [simplify]: iteration 5 : 96 enodes (cost 123 ) 0.059 * * [simplify]: Extracting # 0 : cost 0 inf + 2225 0.060 * * [simplify]: Extracting # 1 : cost 28 inf + 1940 0.061 * * [simplify]: Extracting # 2 : cost 0 inf + 4362 0.063 * * [simplify]: iteration 6 : 221 enodes (cost 123 ) 0.130 * * [simplify]: Extracting # 0 : cost 0 inf + 4362 0.133 * * [simplify]: Extracting # 1 : cost 91 inf + 4081 0.139 * * [simplify]: Extracting # 2 : cost 0 inf + 12411 0.145 * * [simplify]: iteration 7 : 621 enodes (cost 123 ) 0.577 * * [simplify]: Extracting # 0 : cost 0 inf + 12411 0.588 * * [simplify]: Extracting # 1 : cost 333 inf + 11244 0.605 * * [simplify]: Extracting # 2 : cost 0 inf + 42300 0.623 * * [simplify]: iteration 8 : 2177 enodes (cost 123 ) 1.337 * * [simplify]: Extracting # 0 : cost 0 inf + 42300 1.364 * * [simplify]: Extracting # 1 : cost 1412 inf + 36178 1.420 * * [simplify]: Extracting # 2 : cost 0 inf + 197218 1.479 * * [simplify]: iteration done: 5001 enodes (cost 123 ) 1.480 * [simplify]: Simplified to: (+ x (/ (- y x) 2.0)) 1.480 * * [progress]: iteration 1 / 4 1.480 * * * [progress]: picking best candidate 1.485 * * * * [pick]: Picked # 1.485 * * * [progress]: localizing error 1.496 * * * [progress]: generating rewritten candidates 1.496 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 1.522 * * * [progress]: generating series expansions 1.522 * * * * [progress]: [ 1 / 1 ] generating series at (2) 1.523 * [backup-simplify]: Simplify (+ x (/ (- y x) 2.0)) into (+ (* 0.5 x) (* 0.5 y)) 1.523 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in (x y) around 0 1.523 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y 1.523 * [taylor]: Taking taylor expansion of (* 0.5 x) in y 1.523 * [taylor]: Taking taylor expansion of 0.5 in y 1.523 * [backup-simplify]: Simplify 0.5 into 0.5 1.523 * [taylor]: Taking taylor expansion of x in y 1.523 * [backup-simplify]: Simplify x into x 1.523 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 1.523 * [taylor]: Taking taylor expansion of 0.5 in y 1.523 * [backup-simplify]: Simplify 0.5 into 0.5 1.523 * [taylor]: Taking taylor expansion of y in y 1.523 * [backup-simplify]: Simplify 0 into 0 1.523 * [backup-simplify]: Simplify 1 into 1 1.523 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x 1.523 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 1.523 * [taylor]: Taking taylor expansion of 0.5 in x 1.523 * [backup-simplify]: Simplify 0.5 into 0.5 1.523 * [taylor]: Taking taylor expansion of x in x 1.523 * [backup-simplify]: Simplify 0 into 0 1.523 * [backup-simplify]: Simplify 1 into 1 1.523 * [taylor]: Taking taylor expansion of (* 0.5 y) in x 1.523 * [taylor]: Taking taylor expansion of 0.5 in x 1.523 * [backup-simplify]: Simplify 0.5 into 0.5 1.523 * [taylor]: Taking taylor expansion of y in x 1.523 * [backup-simplify]: Simplify y into y 1.523 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x 1.523 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 1.523 * [taylor]: Taking taylor expansion of 0.5 in x 1.523 * [backup-simplify]: Simplify 0.5 into 0.5 1.523 * [taylor]: Taking taylor expansion of x in x 1.523 * [backup-simplify]: Simplify 0 into 0 1.523 * [backup-simplify]: Simplify 1 into 1 1.523 * [taylor]: Taking taylor expansion of (* 0.5 y) in x 1.523 * [taylor]: Taking taylor expansion of 0.5 in x 1.524 * [backup-simplify]: Simplify 0.5 into 0.5 1.524 * [taylor]: Taking taylor expansion of y in x 1.524 * [backup-simplify]: Simplify y into y 1.524 * [backup-simplify]: Simplify (* 0.5 0) into 0 1.524 * [backup-simplify]: Simplify (* 0.5 y) into (* 0.5 y) 1.524 * [backup-simplify]: Simplify (+ 0 (* 0.5 y)) into (* 0.5 y) 1.524 * [taylor]: Taking taylor expansion of (* 0.5 y) 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 y in y 1.524 * [backup-simplify]: Simplify 0 into 0 1.524 * [backup-simplify]: Simplify 1 into 1 1.525 * [backup-simplify]: Simplify (* 0.5 0) into 0 1.525 * [backup-simplify]: Simplify 0 into 0 1.526 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 1.527 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 y)) into 0 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 1.527 * [backup-simplify]: Simplify 0.5 into 0.5 1.528 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 1.528 * [backup-simplify]: Simplify 0.5 into 0.5 1.529 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 1.530 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 y))) into 0 1.530 * [backup-simplify]: Simplify (+ 0 0) into 0 1.530 * [taylor]: Taking taylor expansion of 0 in y 1.530 * [backup-simplify]: Simplify 0 into 0 1.530 * [backup-simplify]: Simplify 0 into 0 1.530 * [backup-simplify]: Simplify 0 into 0 1.531 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 1.531 * [backup-simplify]: Simplify 0 into 0 1.532 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0 1.533 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0 1.534 * [backup-simplify]: Simplify (+ 0 0) into 0 1.534 * [taylor]: Taking taylor expansion of 0 in y 1.534 * [backup-simplify]: Simplify 0 into 0 1.534 * [backup-simplify]: Simplify 0 into 0 1.534 * [backup-simplify]: Simplify 0 into 0 1.534 * [backup-simplify]: Simplify 0 into 0 1.534 * [backup-simplify]: Simplify (+ (* 0.5 (* y 1)) (* 0.5 (* 1 x))) into (+ (* 0.5 x) (* 0.5 y)) 1.534 * [backup-simplify]: Simplify (+ (/ 1 x) (/ (- (/ 1 y) (/ 1 x)) 2.0)) into (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) 1.534 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in (x y) around 0 1.534 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in y 1.534 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y 1.534 * [taylor]: Taking taylor expansion of 0.5 in y 1.534 * [backup-simplify]: Simplify 0.5 into 0.5 1.534 * [taylor]: Taking taylor expansion of (/ 1 x) in y 1.534 * [taylor]: Taking taylor expansion of x in y 1.534 * [backup-simplify]: Simplify x into x 1.534 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 1.534 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.534 * [taylor]: Taking taylor expansion of 0.5 in y 1.534 * [backup-simplify]: Simplify 0.5 into 0.5 1.534 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.534 * [taylor]: Taking taylor expansion of y in y 1.535 * [backup-simplify]: Simplify 0 into 0 1.535 * [backup-simplify]: Simplify 1 into 1 1.535 * [backup-simplify]: Simplify (/ 1 1) into 1 1.535 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x 1.535 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.535 * [taylor]: Taking taylor expansion of 0.5 in x 1.535 * [backup-simplify]: Simplify 0.5 into 0.5 1.535 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.535 * [taylor]: Taking taylor expansion of x in x 1.535 * [backup-simplify]: Simplify 0 into 0 1.535 * [backup-simplify]: Simplify 1 into 1 1.535 * [backup-simplify]: Simplify (/ 1 1) into 1 1.535 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.535 * [taylor]: Taking taylor expansion of 0.5 in x 1.535 * [backup-simplify]: Simplify 0.5 into 0.5 1.536 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.536 * [taylor]: Taking taylor expansion of y in x 1.536 * [backup-simplify]: Simplify y into y 1.536 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.536 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x 1.536 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.536 * [taylor]: Taking taylor expansion of 0.5 in x 1.536 * [backup-simplify]: Simplify 0.5 into 0.5 1.536 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.536 * [taylor]: Taking taylor expansion of x in x 1.536 * [backup-simplify]: Simplify 0 into 0 1.536 * [backup-simplify]: Simplify 1 into 1 1.536 * [backup-simplify]: Simplify (/ 1 1) into 1 1.536 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.536 * [taylor]: Taking taylor expansion of 0.5 in x 1.536 * [backup-simplify]: Simplify 0.5 into 0.5 1.536 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.536 * [taylor]: Taking taylor expansion of y in x 1.536 * [backup-simplify]: Simplify y into y 1.536 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.537 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.537 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5 1.537 * [taylor]: Taking taylor expansion of 0.5 in y 1.537 * [backup-simplify]: Simplify 0.5 into 0.5 1.538 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 1.538 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 1.539 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y) 1.539 * [backup-simplify]: Simplify (+ 0 (/ 0.5 y)) into (* 0.5 (/ 1 y)) 1.539 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.539 * [taylor]: Taking taylor expansion of 0.5 in y 1.539 * [backup-simplify]: Simplify 0.5 into 0.5 1.539 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.539 * [taylor]: Taking taylor expansion of y in y 1.539 * [backup-simplify]: Simplify 0 into 0 1.539 * [backup-simplify]: Simplify 1 into 1 1.539 * [backup-simplify]: Simplify (/ 1 1) into 1 1.540 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.540 * [backup-simplify]: Simplify 0.5 into 0.5 1.540 * [backup-simplify]: Simplify 0.5 into 0.5 1.540 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.541 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 1.541 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 1.542 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0 1.542 * [backup-simplify]: Simplify (+ 0 0) into 0 1.542 * [taylor]: Taking taylor expansion of 0 in y 1.542 * [backup-simplify]: Simplify 0 into 0 1.543 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 1.543 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 1.543 * [backup-simplify]: Simplify 0 into 0 1.543 * [backup-simplify]: Simplify 0 into 0 1.544 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.545 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 1.545 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.546 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0 1.546 * [backup-simplify]: Simplify (+ 0 0) into 0 1.546 * [taylor]: Taking taylor expansion of 0 in y 1.546 * [backup-simplify]: Simplify 0 into 0 1.546 * [backup-simplify]: Simplify 0 into 0 1.547 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.548 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 1.548 * [backup-simplify]: Simplify 0 into 0 1.548 * [backup-simplify]: Simplify 0 into 0 1.549 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.550 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 1.550 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.551 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0 1.551 * [backup-simplify]: Simplify (+ 0 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 (+ (* 0.5 (* 1 (/ 1 (/ 1 x)))) (* 0.5 (* (/ 1 (/ 1 y)) 1))) into (+ (* 0.5 x) (* 0.5 y)) 1.552 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (/ (- (/ 1 (- y)) (/ 1 (- x))) 2.0)) into (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) 1.552 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in (x y) around 0 1.552 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in y 1.552 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in y 1.552 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y 1.552 * [taylor]: Taking taylor expansion of 0.5 in y 1.552 * [backup-simplify]: Simplify 0.5 into 0.5 1.552 * [taylor]: Taking taylor expansion of (/ 1 x) in y 1.552 * [taylor]: Taking taylor expansion of x in y 1.552 * [backup-simplify]: Simplify x into x 1.552 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 1.552 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.552 * [taylor]: Taking taylor expansion of 0.5 in y 1.552 * [backup-simplify]: Simplify 0.5 into 0.5 1.552 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.552 * [taylor]: Taking taylor expansion of y in y 1.552 * [backup-simplify]: Simplify 0 into 0 1.552 * [backup-simplify]: Simplify 1 into 1 1.553 * [backup-simplify]: Simplify (/ 1 1) into 1 1.553 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in x 1.553 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x 1.553 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.553 * [taylor]: Taking taylor expansion of 0.5 in x 1.553 * [backup-simplify]: Simplify 0.5 into 0.5 1.553 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.553 * [taylor]: Taking taylor expansion of x in x 1.553 * [backup-simplify]: Simplify 0 into 0 1.553 * [backup-simplify]: Simplify 1 into 1 1.553 * [backup-simplify]: Simplify (/ 1 1) into 1 1.553 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.553 * [taylor]: Taking taylor expansion of 0.5 in x 1.553 * [backup-simplify]: Simplify 0.5 into 0.5 1.553 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.553 * [taylor]: Taking taylor expansion of y in x 1.553 * [backup-simplify]: Simplify y into y 1.554 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.554 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in x 1.554 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x 1.554 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.554 * [taylor]: Taking taylor expansion of 0.5 in x 1.554 * [backup-simplify]: Simplify 0.5 into 0.5 1.554 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.554 * [taylor]: Taking taylor expansion of x in x 1.554 * [backup-simplify]: Simplify 0 into 0 1.554 * [backup-simplify]: Simplify 1 into 1 1.554 * [backup-simplify]: Simplify (/ 1 1) into 1 1.554 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.554 * [taylor]: Taking taylor expansion of 0.5 in x 1.554 * [backup-simplify]: Simplify 0.5 into 0.5 1.554 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.554 * [taylor]: Taking taylor expansion of y in x 1.554 * [backup-simplify]: Simplify y into y 1.554 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.555 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.555 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5 1.555 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.555 * [taylor]: Taking taylor expansion of (- 0.5) in y 1.555 * [taylor]: Taking taylor expansion of 0.5 in y 1.556 * [backup-simplify]: Simplify 0.5 into 0.5 1.556 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 1.557 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 1.557 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y) 1.557 * [backup-simplify]: Simplify (+ 0 (/ 0.5 y)) into (* 0.5 (/ 1 y)) 1.557 * [backup-simplify]: Simplify (- (* 0.5 (/ 1 y))) into (- (* 0.5 (/ 1 y))) 1.557 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in y 1.557 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.557 * [taylor]: Taking taylor expansion of 0.5 in y 1.557 * [backup-simplify]: Simplify 0.5 into 0.5 1.557 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.557 * [taylor]: Taking taylor expansion of y in y 1.557 * [backup-simplify]: Simplify 0 into 0 1.557 * [backup-simplify]: Simplify 1 into 1 1.557 * [backup-simplify]: Simplify (/ 1 1) into 1 1.558 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.558 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.559 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.559 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.559 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.560 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.561 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 1.561 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 1.561 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0 1.562 * [backup-simplify]: Simplify (+ 0 0) into 0 1.562 * [backup-simplify]: Simplify (- 0) into 0 1.562 * [taylor]: Taking taylor expansion of 0 in y 1.562 * [backup-simplify]: Simplify 0 into 0 1.563 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 1.564 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 1.564 * [backup-simplify]: Simplify (- 0) into 0 1.564 * [backup-simplify]: Simplify 0 into 0 1.564 * [backup-simplify]: Simplify (- 0) into 0 1.564 * [backup-simplify]: Simplify 0 into 0 1.565 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.566 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 1.566 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.567 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0 1.567 * [backup-simplify]: Simplify (+ 0 0) into 0 1.567 * [backup-simplify]: Simplify (- 0) into 0 1.567 * [taylor]: Taking taylor expansion of 0 in y 1.567 * [backup-simplify]: Simplify 0 into 0 1.568 * [backup-simplify]: Simplify 0 into 0 1.568 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.569 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 1.569 * [backup-simplify]: Simplify (- 0) into 0 1.569 * [backup-simplify]: Simplify 0 into 0 1.570 * [backup-simplify]: Simplify (- 0) into 0 1.570 * [backup-simplify]: Simplify 0 into 0 1.571 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.572 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 1.572 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.573 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0 1.573 * [backup-simplify]: Simplify (+ 0 0) into 0 1.573 * [backup-simplify]: Simplify (- 0) into 0 1.573 * [taylor]: Taking taylor expansion of 0 in y 1.573 * [backup-simplify]: Simplify 0 into 0 1.574 * [backup-simplify]: Simplify 0 into 0 1.574 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (/ 1 (/ 1 (- x))))) (* (- 0.5) (* (/ 1 (/ 1 (- y))) 1))) into (+ (* 0.5 x) (* 0.5 y)) 1.574 * * * [progress]: simplifying candidates 1.575 * [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)) (+ (* 0.5 x) (* 0.5 y)) (+ (* 0.5 x) (* 0.5 y)) (+ (* 0.5 x) (* 0.5 y)) 1.575 * * [simplify]: Extracting # 0 : cost 14 inf + 0 1.575 * * [simplify]: Extracting # 1 : cost 27 inf + 0 1.575 * * [simplify]: Extracting # 2 : cost 30 inf + 113 1.576 * * [simplify]: Extracting # 3 : cost 24 inf + 242 1.576 * * [simplify]: Extracting # 4 : cost 8 inf + 2547 1.577 * * [simplify]: Extracting # 5 : cost 0 inf + 4582 1.577 * * [simplify]: iteration 0 : 33 enodes (cost 3352 ) 1.585 * * [simplify]: Extracting # 0 : cost 0 inf + 4582 1.586 * * [simplify]: Extracting # 1 : cost 23 inf + 4057 1.587 * * [simplify]: Extracting # 2 : cost 3 inf + 6833 1.593 * * [simplify]: Extracting # 3 : cost 1 inf + 7128 1.595 * * [simplify]: Extracting # 4 : cost 0 inf + 7340 1.596 * * [simplify]: iteration 1 : 92 enodes (cost 2861 ) 1.622 * * [simplify]: Extracting # 0 : cost 0 inf + 7340 1.624 * * [simplify]: Extracting # 1 : cost 44 inf + 6485 1.628 * * [simplify]: Extracting # 2 : cost 3 inf + 12583 1.631 * * [simplify]: Extracting # 3 : cost 0 inf + 12959 1.634 * * [simplify]: iteration 2 : 246 enodes (cost 2861 ) 1.723 * * [simplify]: Extracting # 0 : cost 0 inf + 12959 1.728 * * [simplify]: Extracting # 1 : cost 195 inf + 10520 1.740 * * [simplify]: Extracting # 2 : cost 3 inf + 50298 1.754 * * [simplify]: Extracting # 3 : cost 2 inf + 50299 1.768 * * [simplify]: Extracting # 4 : cost 0 inf + 50805 1.777 * * [simplify]: iteration 3 : 798 enodes (cost 2861 ) 2.195 * * [simplify]: Extracting # 0 : cost 0 inf + 50805 2.228 * * [simplify]: Extracting # 1 : cost 1696 inf + 35028 2.306 * * [simplify]: Extracting # 2 : cost 98 inf + 365590 2.400 * * [simplify]: Extracting # 3 : cost 95 inf + 363275 2.507 * * [simplify]: Extracting # 4 : cost 10 inf + 374241 2.615 * * [simplify]: Extracting # 5 : cost 0 inf + 377262 2.712 * * [simplify]: iteration done: 5000 enodes (cost 2861 ) 2.712 * [simplify]: Simplified to: (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))) (+ (* 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)) (+ x (/ (- y x) 2.0)) (+ x (/ y 2.0)) (* 0.5 (+ x y)) (* 0.5 (+ x y)) (* 0.5 (+ x y)) 2.713 * * * [progress]: adding candidates to table 2.774 * * [progress]: iteration 2 / 4 2.774 * * * [progress]: picking best candidate 2.778 * * * * [pick]: Picked # 2.778 * * * [progress]: localizing error 2.785 * * * [progress]: generating rewritten candidates 2.785 * * * [progress]: generating series expansions 2.785 * * * [progress]: simplifying candidates 2.785 * [simplify]: Simplifying: 2.785 * * [simplify]: Extracting # 0 : cost 0 inf + 0 2.785 * * [simplify]: iteration 0 : 0 enodes (cost 0 ) 2.785 * * [simplify]: Extracting # 0 : cost 0 inf + 0 2.785 * * [simplify]: iteration done: 0 enodes (cost 0 ) 2.785 * [simplify]: Simplified to: 2.785 * * * [progress]: adding candidates to table 2.786 * [progress]: [Phase 3 of 3] Extracting. 2.789 * [simplify]: Simplifying: (* 0.5 (+ x y)) 2.789 * * [simplify]: Extracting # 0 : cost 1 inf + 0 2.789 * * [simplify]: Extracting # 1 : cost 3 inf + 0 2.789 * * [simplify]: Extracting # 2 : cost 4 inf + 1 2.789 * * [simplify]: Extracting # 3 : cost 0 inf + 128 2.789 * * [simplify]: iteration 0 : 5 enodes (cost 83 ) 2.790 * * [simplify]: Extracting # 0 : cost 0 inf + 128 2.790 * * [simplify]: iteration 1 : 7 enodes (cost 83 ) 2.790 * * [simplify]: Extracting # 0 : cost 0 inf + 128 2.790 * * [simplify]: iteration done: 7 enodes (cost 83 ) 2.790 * [simplify]: Simplified to: (* 0.5 (+ x y)) 3.765 * [regime-testing]: Baseline error score: 0 3.778 * [regime-testing]: Oracle error score: 0 3.778 * [regime-testing]: End program error score: 0 3.891 * [regime-testing]: Target error score: 0