1.125 * [progress]: [Phase 1 of 3] Setting up. 0.002 * * * [progress]: [1/2] Preparing points 0.455 * * * [progress]: [2/2] Setting up program. 0.459 * [progress]: [Phase 2 of 3] Improving. 0.461 * [simplify]: Simplifying: (/ (- x (sin x)) (- x (tan x))) 0.462 * * [simplify]: Extracting # 0 : cost 0 0.462 * * [simplify]: Extracting # 1 : cost 0 0.462 * * [simplify]: Extracting # 2 : cost 0 0.463 * * [simplify]: Extracting # 3 : cost 0 0.463 * * [simplify]: Extracting # 4 : cost 0 0.463 * * [simplify]: iteration 0 : 6 enodes (cost 9 ) 0.467 * * [simplify]: Extracting # 0 : cost 0 0.467 * * [simplify]: Extracting # 1 : cost 0 0.467 * * [simplify]: Extracting # 2 : cost 0 0.467 * * [simplify]: iteration 1 : 13 enodes (cost 9 ) 0.469 * * [simplify]: Extracting # 0 : cost 0 0.469 * * [simplify]: Extracting # 1 : cost 0 0.469 * * [simplify]: Extracting # 2 : cost 0 0.469 * * [simplify]: iteration 2 : 17 enodes (cost 9 ) 0.471 * * [simplify]: Extracting # 0 : cost 0 0.471 * * [simplify]: iteration 3 : 19 enodes (cost 9 ) 0.473 * * [simplify]: Extracting # 0 : cost 0 0.473 * * [simplify]: iteration done: 19 enodes (cost 9 ) 0.473 * [simplify]: Simplified to: (/ (- x (sin x)) (- x (tan x))) 0.475 * * [progress]: iteration 1 / 4 0.475 * * * [progress]: picking best candidate 0.477 * * * * [pick]: Picked # 0.477 * * * [progress]: localizing error 0.488 * * * [progress]: generating rewritten candidates 0.488 * * * * [progress]: [ 1 / 3 ] rewriting at (2 2) 0.530 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1) 0.549 * * * * [progress]: [ 3 / 3 ] rewriting at (2) 0.605 * * * [progress]: generating series expansions 0.606 * * * * [progress]: [ 1 / 3 ] generating series at (2 2) 0.611 * [backup-simplify]: Simplify (- x (tan x)) into (- x (tan x)) 0.611 * [approximate]: Taking taylor expansion of (- x (tan x)) in (x) around 0 0.612 * [taylor]: Taking taylor expansion of (- x (tan x)) in x 0.612 * [taylor]: Taking taylor expansion of x in x 0.612 * [backup-simplify]: Simplify 0 into 0 0.612 * [backup-simplify]: Simplify 1 into 1 0.612 * [taylor]: Taking taylor expansion of (tan x) in x 0.613 * [taylor]: Rewrote expression to (/ (sin x) (cos x)) 0.613 * [taylor]: Taking taylor expansion of (sin x) in x 0.613 * [taylor]: Taking taylor expansion of x in x 0.613 * [backup-simplify]: Simplify 0 into 0 0.613 * [backup-simplify]: Simplify 1 into 1 0.614 * [taylor]: Taking taylor expansion of (cos x) in x 0.614 * [taylor]: Taking taylor expansion of x in x 0.614 * [backup-simplify]: Simplify 0 into 0 0.614 * [backup-simplify]: Simplify 1 into 1 0.615 * [backup-simplify]: Simplify (+ (* 1 (/ (pow 1 1) 1))) into 1 0.615 * [backup-simplify]: Simplify (/ 1 1) into 1 0.616 * [taylor]: Taking taylor expansion of (- x (tan x)) in x 0.616 * [taylor]: Taking taylor expansion of x in x 0.616 * [backup-simplify]: Simplify 0 into 0 0.616 * [backup-simplify]: Simplify 1 into 1 0.616 * [taylor]: Taking taylor expansion of (tan x) in x 0.616 * [taylor]: Rewrote expression to (/ (sin x) (cos x)) 0.616 * [taylor]: Taking taylor expansion of (sin x) in x 0.616 * [taylor]: Taking taylor expansion of x in x 0.616 * [backup-simplify]: Simplify 0 into 0 0.616 * [backup-simplify]: Simplify 1 into 1 0.616 * [taylor]: Taking taylor expansion of (cos x) in x 0.616 * [taylor]: Taking taylor expansion of x in x 0.616 * [backup-simplify]: Simplify 0 into 0 0.616 * [backup-simplify]: Simplify 1 into 1 0.616 * [backup-simplify]: Simplify (+ (* 1 (/ (pow 1 1) 1))) into 1 0.617 * [backup-simplify]: Simplify (/ 1 1) into 1 0.617 * [backup-simplify]: Simplify (+ 0 0) into 0 0.617 * [backup-simplify]: Simplify 0 into 0 0.618 * [backup-simplify]: Simplify (- 1) into -1 0.618 * [backup-simplify]: Simplify (+ 1 -1) into 0 0.618 * [backup-simplify]: Simplify 0 into 0 0.619 * [backup-simplify]: Simplify (+ 0 (* 1 (/ (pow 0 1) 1))) into 0 0.619 * [backup-simplify]: Simplify (+ 0) into 0 0.620 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)))) into 0 0.620 * [backup-simplify]: Simplify (- 0) into 0 0.620 * [backup-simplify]: Simplify (+ 0 0) into 0 0.620 * [backup-simplify]: Simplify 0 into 0 0.621 * [backup-simplify]: Simplify (+ (* -1 (/ (pow 1 3) 6)) 0 (* 1 (/ (pow 0 1) 1))) into -1/6 0.622 * [backup-simplify]: Simplify (+ (* -1 (/ (pow 1 2) 2)) 0) into -1/2 0.622 * [backup-simplify]: Simplify (- (/ -1/6 1) (+ (* 1 (/ -1/2 1)) (* 0 (/ 0 1)))) into 1/3 0.623 * [backup-simplify]: Simplify (- 1/3) into -1/3 0.623 * [backup-simplify]: Simplify (+ 0 -1/3) into -1/3 0.623 * [backup-simplify]: Simplify -1/3 into -1/3 0.624 * [backup-simplify]: Simplify (+ 0 (* -1 (/ (pow 1 2) 2) (/ (pow 0 1) 1)) 0 0 (* 1 (/ (pow 0 1) 1))) into 0 0.625 * [backup-simplify]: Simplify (+ 0 (* -1 (/ (pow 1 1) 1) (/ (pow 0 1) 1)) 0) into 0 0.625 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)) (* 0 (/ -1/2 1)) (* 1/3 (/ 0 1)))) into 0 0.626 * [backup-simplify]: Simplify (- 0) into 0 0.626 * [backup-simplify]: Simplify (+ 0 0) into 0 0.626 * [backup-simplify]: Simplify 0 into 0 0.628 * [backup-simplify]: Simplify (+ (* 1 (/ (pow 1 5) 120)) 0 (* -1 (/ (pow 1 2) 2) (/ (pow 0 1) 1)) (* -1 (/ (pow 1 1) 1) (/ (pow 0 2) 2)) 0 0 (* 1 (/ (pow 0 1) 1))) into 1/120 0.630 * [backup-simplify]: Simplify (+ (* 1 (/ (pow 1 4) 24)) 0 (* -1 (/ (pow 1 1) 1) (/ (pow 0 1) 1)) (* -1 (/ (pow 0 2) 2)) 0) into 1/24 0.631 * [backup-simplify]: Simplify (- (/ 1/120 1) (+ (* 1 (/ 1/24 1)) (* 0 (/ 0 1)) (* 1/3 (/ -1/2 1)) (* 0 (/ 0 1)))) into 2/15 0.631 * [backup-simplify]: Simplify (- 2/15) into -2/15 0.632 * [backup-simplify]: Simplify (+ 0 -2/15) into -2/15 0.632 * [backup-simplify]: Simplify -2/15 into -2/15 0.642 * [backup-simplify]: Simplify (+ 0 (* 1 (/ (pow 1 4) 24) (/ (pow 0 1) 1)) 0 0 (* -1 (/ (pow 1 2) 2) (/ (pow 0 1) 1)) (* -1 (/ (pow 1 1) 1) (/ (pow 0 1) 1) (/ (pow 0 1) 1)) 0 (* -1 (/ (pow 0 3) 6)) 0 0 (* 1 (/ (pow 0 1) 1))) into 0 0.645 * [backup-simplify]: Simplify (+ 0 (* 1 (/ (pow 1 3) 6) (/ (pow 0 1) 1)) 0 0 (* -1 (/ (pow 1 1) 1) (/ (pow 0 1) 1)) (* -1 (/ (pow 0 1) 1) (/ (pow 0 1) 1)) 0) into 0 0.647 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)) (* 0 (/ 1/24 1)) (* 1/3 (/ 0 1)) (* 0 (/ -1/2 1)) (* 2/15 (/ 0 1)))) into 0 0.648 * [backup-simplify]: Simplify (- 0) into 0 0.648 * [backup-simplify]: Simplify (+ 0 0) into 0 0.648 * [backup-simplify]: Simplify 0 into 0 0.656 * [backup-simplify]: Simplify (+ (* -1 (/ (pow 1 7) 5040)) 0 (* 1 (/ (pow 1 4) 24) (/ (pow 0 1) 1)) (* 1 (/ (pow 1 3) 6) (/ (pow 0 2) 2)) 0 0 (* -1 (/ (pow 1 2) 2) (/ (pow 0 1) 1)) 0 (* -1 (/ (pow 1 1) 1) (/ (pow 0 1) 1) (/ (pow 0 1) 1)) (* -1 (/ (pow 1 1) 1) (/ (pow 0 2) 2)) 0 (* -1 (/ (pow 0 2) 2) (/ (pow 0 1) 1)) 0 0 (* 1 (/ (pow 0 1) 1))) into -1/5040 0.659 * [backup-simplify]: Simplify (+ (* -1 (/ (pow 1 6) 720)) 0 (* 1 (/ (pow 1 3) 6) (/ (pow 0 1) 1)) (* 1 (/ (pow 1 2) 2) (/ (pow 0 2) 2)) 0 0 (* -1 (/ (pow 1 1) 1) (/ (pow 0 1) 1)) 0 (* -1 (/ (pow 0 1) 1) (/ (pow 0 1) 1)) (* -1 (/ (pow 0 2) 2)) 0) into -1/720 0.661 * [backup-simplify]: Simplify (- (/ -1/5040 1) (+ (* 1 (/ -1/720 1)) (* 0 (/ 0 1)) (* 1/3 (/ 1/24 1)) (* 0 (/ 0 1)) (* 2/15 (/ -1/2 1)) (* 0 (/ 0 1)))) into 17/315 0.661 * [backup-simplify]: Simplify (- 17/315) into -17/315 0.662 * [backup-simplify]: Simplify (+ 0 -17/315) into -17/315 0.662 * [backup-simplify]: Simplify -17/315 into -17/315