48.431 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.019 * * * [progress]: [2/2] Setting up program. 0.021 * [progress]: [Phase 2 of 3] Improving. 0.021 * [simplify]: Simplifying: (+ x (/ (- y x) 2.0)) 0.021 * * [simplify]: Extracting # 0 : cost 0 0.021 * * [simplify]: Extracting # 1 : cost 0 0.021 * * [simplify]: Extracting # 2 : cost 0 0.021 * * [simplify]: Extracting # 3 : cost 0 0.021 * * [simplify]: Extracting # 4 : cost 0 0.021 * * [simplify]: Extracting # 5 : cost 0 0.021 * * [simplify]: iteration 0 : 6 enodes (cost 7 ) 0.023 * * [simplify]: Extracting # 0 : cost 0 0.023 * * [simplify]: Extracting # 1 : cost 0 0.023 * * [simplify]: Extracting # 2 : cost 0 0.023 * * [simplify]: iteration 1 : 12 enodes (cost 7 ) 0.025 * * [simplify]: Extracting # 0 : cost 0 0.025 * * [simplify]: Extracting # 1 : cost 0 0.025 * * [simplify]: Extracting # 2 : cost 0 0.025 * * [simplify]: iteration 2 : 19 enodes (cost 7 ) 0.029 * * [simplify]: Extracting # 0 : cost 0 0.029 * * [simplify]: Extracting # 1 : cost 0 0.029 * * [simplify]: Extracting # 2 : cost 0 0.029 * * [simplify]: iteration 3 : 28 enodes (cost 7 ) 0.035 * * [simplify]: Extracting # 0 : cost 0 0.035 * * [simplify]: Extracting # 1 : cost 0 0.035 * * [simplify]: Extracting # 2 : cost 0 0.035 * * [simplify]: iteration 4 : 39 enodes (cost 7 ) 0.044 * * [simplify]: Extracting # 0 : cost 0 0.044 * * [simplify]: Extracting # 1 : cost 0 0.044 * * [simplify]: Extracting # 2 : cost 0 0.045 * * [simplify]: iteration 5 : 96 enodes (cost 7 ) 0.068 * * [simplify]: Extracting # 0 : cost 0 0.074 * * [simplify]: Extracting # 1 : cost 0 0.074 * * [simplify]: Extracting # 2 : cost 0 0.074 * * [simplify]: iteration 6 : 220 enodes (cost 7 ) 0.143 * * [simplify]: Extracting # 0 : cost 0 0.144 * * [simplify]: Extracting # 1 : cost 0 0.144 * * [simplify]: Extracting # 2 : cost 0 0.145 * * [simplify]: iteration 7 : 607 enodes (cost 7 ) 0.588 * * [simplify]: Extracting # 0 : cost 0 0.591 * * [simplify]: Extracting # 1 : cost 0 0.598 * * [simplify]: Extracting # 2 : cost 0 0.601 * * [simplify]: iteration 8 : 2030 enodes (cost 7 ) 1.430 * * [simplify]: Extracting # 0 : cost 0 1.436 * * [simplify]: Extracting # 1 : cost 0 1.444 * * [simplify]: Extracting # 2 : cost 0 1.450 * * [simplify]: iteration done: 5001 enodes (cost 7 ) 1.450 * [simplify]: Simplified to: (+ x (/ (- y x) 2.0)) 1.451 * * [progress]: iteration 1 / 4 1.451 * * * [progress]: picking best candidate 1.452 * * * * [pick]: Picked # 1.453 * * * [progress]: localizing error 1.469 * * * [progress]: generating rewritten candidates 1.469 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 1.500 * * * [progress]: generating series expansions 1.500 * * * * [progress]: [ 1 / 1 ] generating series at (2) 1.500 * [backup-simplify]: Simplify (+ x (/ (- y x) 2.0)) into (+ (* 0.5 x) (* 0.5 y)) 1.500 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in (x y) around 0 1.501 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y 1.501 * [taylor]: Taking taylor expansion of (* 0.5 x) in y 1.501 * [taylor]: Taking taylor expansion of 0.5 in y 1.501 * [backup-simplify]: Simplify 0.5 into 0.5 1.501 * [taylor]: Taking taylor expansion of x in y 1.501 * [backup-simplify]: Simplify x into x 1.501 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 1.501 * [taylor]: Taking taylor expansion of 0.5 in y 1.501 * [backup-simplify]: Simplify 0.5 into 0.5 1.501 * [taylor]: Taking taylor expansion of y in y 1.501 * [backup-simplify]: Simplify 0 into 0 1.501 * [backup-simplify]: Simplify 1 into 1 1.501 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x 1.501 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 1.501 * [taylor]: Taking taylor expansion of 0.5 in x 1.501 * [backup-simplify]: Simplify 0.5 into 0.5 1.501 * [taylor]: Taking taylor expansion of x in x 1.501 * [backup-simplify]: Simplify 0 into 0 1.501 * [backup-simplify]: Simplify 1 into 1 1.501 * [taylor]: Taking taylor expansion of (* 0.5 y) in x 1.501 * [taylor]: Taking taylor expansion of 0.5 in x 1.501 * [backup-simplify]: Simplify 0.5 into 0.5 1.501 * [taylor]: Taking taylor expansion of y in x 1.501 * [backup-simplify]: Simplify y into y 1.501 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x 1.501 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 1.501 * [taylor]: Taking taylor expansion of 0.5 in x 1.501 * [backup-simplify]: Simplify 0.5 into 0.5 1.501 * [taylor]: Taking taylor expansion of x in x 1.501 * [backup-simplify]: Simplify 0 into 0 1.501 * [backup-simplify]: Simplify 1 into 1 1.501 * [taylor]: Taking taylor expansion of (* 0.5 y) in x 1.501 * [taylor]: Taking taylor expansion of 0.5 in x 1.501 * [backup-simplify]: Simplify 0.5 into 0.5 1.501 * [taylor]: Taking taylor expansion of y in x 1.501 * [backup-simplify]: Simplify y into y 1.502 * [backup-simplify]: Simplify (* 0.5 0) into 0 1.502 * [backup-simplify]: Simplify (* 0.5 y) into (* 0.5 y) 1.502 * [backup-simplify]: Simplify (+ 0 (* 0.5 y)) into (* 0.5 y) 1.502 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 1.502 * [taylor]: Taking taylor expansion of 0.5 in y 1.502 * [backup-simplify]: Simplify 0.5 into 0.5 1.502 * [taylor]: Taking taylor expansion of y in y 1.502 * [backup-simplify]: Simplify 0 into 0 1.502 * [backup-simplify]: Simplify 1 into 1 1.503 * [backup-simplify]: Simplify (* 0.5 0) into 0 1.503 * [backup-simplify]: Simplify 0 into 0 1.504 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 1.504 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 y)) into 0 1.505 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5 1.505 * [taylor]: Taking taylor expansion of 0.5 in y 1.505 * [backup-simplify]: Simplify 0.5 into 0.5 1.505 * [backup-simplify]: Simplify 0.5 into 0.5 1.506 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 1.506 * [backup-simplify]: Simplify 0.5 into 0.5 1.507 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 1.507 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 y))) into 0 1.508 * [backup-simplify]: Simplify (+ 0 0) into 0 1.508 * [taylor]: Taking taylor expansion of 0 in y 1.508 * [backup-simplify]: Simplify 0 into 0 1.508 * [backup-simplify]: Simplify 0 into 0 1.508 * [backup-simplify]: Simplify 0 into 0 1.508 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 1.509 * [backup-simplify]: Simplify 0 into 0 1.509 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0 1.510 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0 1.511 * [backup-simplify]: Simplify (+ 0 0) into 0 1.511 * [taylor]: Taking taylor expansion of 0 in y 1.511 * [backup-simplify]: Simplify 0 into 0 1.511 * [backup-simplify]: Simplify 0 into 0 1.511 * [backup-simplify]: Simplify 0 into 0 1.511 * [backup-simplify]: Simplify 0 into 0 1.511 * [backup-simplify]: Simplify (+ (* 0.5 (* y 1)) (* 0.5 (* 1 x))) into (+ (* 0.5 x) (* 0.5 y)) 1.511 * [backup-simplify]: Simplify (+ (/ 1 x) (/ (- (/ 1 y) (/ 1 x)) 2.0)) into (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) 1.511 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in (x y) around 0 1.511 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y 1.511 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.511 * [taylor]: Taking taylor expansion of 0.5 in y 1.511 * [backup-simplify]: Simplify 0.5 into 0.5 1.511 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.511 * [taylor]: Taking taylor expansion of y in y 1.511 * [backup-simplify]: Simplify 0 into 0 1.511 * [backup-simplify]: Simplify 1 into 1 1.512 * [backup-simplify]: Simplify (/ 1 1) into 1 1.512 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y 1.512 * [taylor]: Taking taylor expansion of 0.5 in y 1.512 * [backup-simplify]: Simplify 0.5 into 0.5 1.512 * [taylor]: Taking taylor expansion of (/ 1 x) in y 1.512 * [taylor]: Taking taylor expansion of x in y 1.512 * [backup-simplify]: Simplify x into x 1.512 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 1.512 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 1.512 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.512 * [taylor]: Taking taylor expansion of 0.5 in x 1.512 * [backup-simplify]: Simplify 0.5 into 0.5 1.512 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.512 * [taylor]: Taking taylor expansion of y in x 1.512 * [backup-simplify]: Simplify y into y 1.512 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.512 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.512 * [taylor]: Taking taylor expansion of 0.5 in x 1.512 * [backup-simplify]: Simplify 0.5 into 0.5 1.512 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.512 * [taylor]: Taking taylor expansion of x in x 1.512 * [backup-simplify]: Simplify 0 into 0 1.512 * [backup-simplify]: Simplify 1 into 1 1.513 * [backup-simplify]: Simplify (/ 1 1) into 1 1.513 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 1.513 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.513 * [taylor]: Taking taylor expansion of 0.5 in x 1.513 * [backup-simplify]: Simplify 0.5 into 0.5 1.513 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.513 * [taylor]: Taking taylor expansion of y in x 1.513 * [backup-simplify]: Simplify y into y 1.513 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.513 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.513 * [taylor]: Taking taylor expansion of 0.5 in x 1.513 * [backup-simplify]: Simplify 0.5 into 0.5 1.513 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.513 * [taylor]: Taking taylor expansion of x in x 1.513 * [backup-simplify]: Simplify 0 into 0 1.513 * [backup-simplify]: Simplify 1 into 1 1.513 * [backup-simplify]: Simplify (/ 1 1) into 1 1.514 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.514 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5 1.514 * [taylor]: Taking taylor expansion of 0.5 in y 1.514 * [backup-simplify]: Simplify 0.5 into 0.5 1.514 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y) 1.515 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 1.515 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 1.515 * [backup-simplify]: Simplify (+ (/ 0.5 y) 0) into (* 0.5 (/ 1 y)) 1.515 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.515 * [taylor]: Taking taylor expansion of 0.5 in y 1.515 * [backup-simplify]: Simplify 0.5 into 0.5 1.515 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.515 * [taylor]: Taking taylor expansion of y in y 1.515 * [backup-simplify]: Simplify 0 into 0 1.515 * [backup-simplify]: Simplify 1 into 1 1.516 * [backup-simplify]: Simplify (/ 1 1) into 1 1.516 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.516 * [backup-simplify]: Simplify 0.5 into 0.5 1.516 * [backup-simplify]: Simplify 0.5 into 0.5 1.516 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 1.517 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0 1.517 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.518 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 1.518 * [backup-simplify]: Simplify (+ 0 0) into 0 1.518 * [taylor]: Taking taylor expansion of 0 in y 1.518 * [backup-simplify]: Simplify 0 into 0 1.519 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 1.520 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 1.520 * [backup-simplify]: Simplify 0 into 0 1.520 * [backup-simplify]: Simplify 0 into 0 1.520 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.521 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0 1.521 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.522 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 1.523 * [backup-simplify]: Simplify (+ 0 0) into 0 1.523 * [taylor]: Taking taylor expansion of 0 in y 1.523 * [backup-simplify]: Simplify 0 into 0 1.523 * [backup-simplify]: Simplify 0 into 0 1.523 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.524 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 1.524 * [backup-simplify]: Simplify 0 into 0 1.524 * [backup-simplify]: Simplify 0 into 0 1.524 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.525 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0 1.526 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.527 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 1.527 * [backup-simplify]: Simplify (+ 0 0) into 0 1.527 * [taylor]: Taking taylor expansion of 0 in y 1.527 * [backup-simplify]: Simplify 0 into 0 1.527 * [backup-simplify]: Simplify 0 into 0 1.528 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (/ 1 (/ 1 x)))) (* 0.5 (* (/ 1 (/ 1 y)) 1))) into (+ (* 0.5 x) (* 0.5 y)) 1.528 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (/ (- (/ 1 (- y)) (/ 1 (- x))) 2.0)) into (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) 1.528 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in (x y) around 0 1.528 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in y 1.528 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y 1.528 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.528 * [taylor]: Taking taylor expansion of 0.5 in y 1.528 * [backup-simplify]: Simplify 0.5 into 0.5 1.528 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.528 * [taylor]: Taking taylor expansion of y in y 1.528 * [backup-simplify]: Simplify 0 into 0 1.528 * [backup-simplify]: Simplify 1 into 1 1.528 * [backup-simplify]: Simplify (/ 1 1) into 1 1.528 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) 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 x) in y 1.529 * [taylor]: Taking taylor expansion of x in y 1.529 * [backup-simplify]: Simplify x into x 1.529 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 1.529 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in x 1.529 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 1.529 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.529 * [taylor]: Taking taylor expansion of 0.5 in x 1.529 * [backup-simplify]: Simplify 0.5 into 0.5 1.529 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.529 * [taylor]: Taking taylor expansion of y in x 1.529 * [backup-simplify]: Simplify y into y 1.529 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.529 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.529 * [taylor]: Taking taylor expansion of 0.5 in x 1.529 * [backup-simplify]: Simplify 0.5 into 0.5 1.529 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.529 * [taylor]: Taking taylor expansion of x in x 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 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in x 1.529 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 1.529 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.529 * [taylor]: Taking taylor expansion of 0.5 in x 1.530 * [backup-simplify]: Simplify 0.5 into 0.5 1.530 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.530 * [taylor]: Taking taylor expansion of y in x 1.530 * [backup-simplify]: Simplify y into y 1.530 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.530 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.530 * [taylor]: Taking taylor expansion of 0.5 in x 1.530 * [backup-simplify]: Simplify 0.5 into 0.5 1.530 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.530 * [taylor]: Taking taylor expansion of x in x 1.530 * [backup-simplify]: Simplify 0 into 0 1.530 * [backup-simplify]: Simplify 1 into 1 1.530 * [backup-simplify]: Simplify (/ 1 1) into 1 1.530 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.531 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5 1.531 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.531 * [taylor]: Taking taylor expansion of (- 0.5) in y 1.531 * [taylor]: Taking taylor expansion of 0.5 in y 1.531 * [backup-simplify]: Simplify 0.5 into 0.5 1.531 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y) 1.532 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 1.532 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 1.532 * [backup-simplify]: Simplify (+ (/ 0.5 y) 0) into (* 0.5 (/ 1 y)) 1.533 * [backup-simplify]: Simplify (- (* 0.5 (/ 1 y))) into (- (* 0.5 (/ 1 y))) 1.533 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in y 1.533 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.533 * [taylor]: Taking taylor expansion of 0.5 in y 1.533 * [backup-simplify]: Simplify 0.5 into 0.5 1.533 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.533 * [taylor]: Taking taylor expansion of y in y 1.533 * [backup-simplify]: Simplify 0 into 0 1.533 * [backup-simplify]: Simplify 1 into 1 1.533 * [backup-simplify]: Simplify (/ 1 1) into 1 1.533 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.534 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.534 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.534 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.535 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.535 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 1.535 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0 1.536 * [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 0) into 0 1.537 * [backup-simplify]: Simplify (- 0) into 0 1.537 * [taylor]: Taking taylor expansion of 0 in y 1.537 * [backup-simplify]: Simplify 0 into 0 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) into 0 1.539 * [backup-simplify]: Simplify 0 into 0 1.539 * [backup-simplify]: Simplify (- 0) into 0 1.539 * [backup-simplify]: Simplify 0 into 0 1.539 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.540 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0 1.540 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.541 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 1.542 * [backup-simplify]: Simplify (+ 0 0) into 0 1.542 * [backup-simplify]: Simplify (- 0) into 0 1.542 * [taylor]: Taking taylor expansion of 0 in y 1.542 * [backup-simplify]: Simplify 0 into 0 1.542 * [backup-simplify]: Simplify 0 into 0 1.543 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.543 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 1.544 * [backup-simplify]: Simplify (- 0) into 0 1.544 * [backup-simplify]: Simplify 0 into 0 1.544 * [backup-simplify]: Simplify (- 0) into 0 1.544 * [backup-simplify]: Simplify 0 into 0 1.544 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.545 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0 1.546 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.547 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 1.547 * [backup-simplify]: Simplify (+ 0 0) into 0 1.547 * [backup-simplify]: Simplify (- 0) into 0 1.547 * [taylor]: Taking taylor expansion of 0 in y 1.548 * [backup-simplify]: Simplify 0 into 0 1.548 * [backup-simplify]: Simplify 0 into 0 1.548 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (/ 1 (/ 1 (- x))))) (* (- 0.5) (* (/ 1 (/ 1 (- y))) 1))) into (+ (* 0.5 x) (* 0.5 y)) 1.548 * * * [progress]: simplifying candidates 1.549 * [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)) 1.549 * * [simplify]: Extracting # 0 : cost 0 1.549 * * [simplify]: Extracting # 1 : cost 0 1.549 * * [simplify]: Extracting # 2 : cost 0 1.550 * * [simplify]: Extracting # 3 : cost 0 1.550 * * [simplify]: Extracting # 4 : cost 0 1.550 * * [simplify]: Extracting # 5 : cost 0 1.550 * * [simplify]: Extracting # 6 : cost 0 1.550 * * [simplify]: iteration 0 : 33 enodes (cost 178 ) 1.559 * * [simplify]: Extracting # 0 : cost 0 1.559 * * [simplify]: Extracting # 1 : cost 0 1.559 * * [simplify]: Extracting # 2 : cost 0 1.559 * * [simplify]: Extracting # 3 : cost 0 1.559 * * [simplify]: Extracting # 4 : cost 0 1.560 * * [simplify]: iteration 1 : 92 enodes (cost 165 ) 1.594 * * [simplify]: Extracting # 0 : cost 0 1.594 * * [simplify]: Extracting # 1 : cost 0 1.594 * * [simplify]: Extracting # 2 : cost 0 1.594 * * [simplify]: Extracting # 3 : cost 0 1.595 * * [simplify]: Extracting # 4 : cost 0 1.595 * * [simplify]: iteration 2 : 248 enodes (cost 151 ) 1.694 * * [simplify]: Extracting # 0 : cost 0 1.695 * * [simplify]: Extracting # 1 : cost 0 1.696 * * [simplify]: Extracting # 2 : cost 0 1.697 * * [simplify]: Extracting # 3 : cost 0 1.698 * * [simplify]: Extracting # 4 : cost 0 1.699 * * [simplify]: iteration 3 : 806 enodes (cost 151 ) 2.171 * * [simplify]: Extracting # 0 : cost 0 2.179 * * [simplify]: Extracting # 1 : cost 0 2.188 * * [simplify]: Extracting # 2 : cost 0 2.196 * * [simplify]: Extracting # 3 : cost 0 2.204 * * [simplify]: Extracting # 4 : cost 0 2.212 * * [simplify]: Extracting # 5 : cost 0 2.225 * * [simplify]: iteration done: 5000 enodes (cost 151 ) 2.225 * [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))) (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)) (+ (* 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)) 2.225 * * * [progress]: adding candidates to table 2.264 * * [progress]: iteration 2 / 4 2.264 * * * [progress]: picking best candidate 2.265 * * * * [pick]: Picked # 2.265 * * * [progress]: localizing error 2.271 * * * [progress]: generating rewritten candidates 2.271 * * * [progress]: generating series expansions 2.271 * * * [progress]: simplifying candidates 2.271 * [simplify]: Simplifying: 2.271 * * [simplify]: Extracting # 0 : cost 0 2.271 * * [simplify]: iteration 0 : 0 enodes (cost 0 ) 2.271 * * [simplify]: Extracting # 0 : cost 0 2.271 * * [simplify]: iteration done: 0 enodes (cost 0 ) 2.271 * [simplify]: Simplified to: 2.271 * * * [progress]: adding candidates to table 2.272 * [progress]: [Phase 3 of 3] Extracting. 2.273 * [simplify]: Simplifying: (* 0.5 (+ x y)) 2.273 * * [simplify]: Extracting # 0 : cost 0 2.273 * * [simplify]: Extracting # 1 : cost 0 2.273 * * [simplify]: Extracting # 2 : cost 0 2.274 * * [simplify]: Extracting # 3 : cost 0 2.274 * * [simplify]: Extracting # 4 : cost 0 2.274 * * [simplify]: iteration 0 : 5 enodes (cost 5 ) 2.274 * * [simplify]: Extracting # 0 : cost 0 2.274 * * [simplify]: iteration 1 : 7 enodes (cost 5 ) 2.274 * * [simplify]: Extracting # 0 : cost 0 2.274 * * [simplify]: iteration done: 7 enodes (cost 5 ) 2.274 * [simplify]: Simplified to: (* 0.5 (+ x y)) 2.977 * [regime-testing]: Baseline error score: 0 2.979 * [regime-testing]: Oracle error score: 0 2.979 * [regime-testing]: End program error score: 0 3.000 * [regime-testing]: Target error score: 0