0.666 * [progress]: [Phase 1 of 3] Setting up. 0.003 * * * [progress]: [1/2] Preparing points 0.415 * * * [progress]: [2/2] Setting up program. 0.420 * [progress]: [Phase 2 of 3] Improving. 0.424 * [simplify]: Simplifying: (/ (- 1.0 (* (tan x) (tan x))) (+ 1.0 (* (tan x) (tan x)))) 0.425 * * [simplify]: Extracting # 0 : cost 0 0.426 * * [simplify]: Extracting # 1 : cost 0 0.426 * * [simplify]: Extracting # 2 : cost 0 0.426 * * [simplify]: Extracting # 3 : cost 0 0.426 * * [simplify]: Extracting # 4 : cost 0 0.426 * * [simplify]: Extracting # 5 : cost 0 0.426 * * [simplify]: Extracting # 6 : cost 0 0.426 * * [simplify]: iteration 0 : 7 enodes (cost 15 ) 0.504 * * [simplify]: Extracting # 0 : cost 0 0.504 * * [simplify]: Extracting # 1 : cost 0 0.504 * * [simplify]: Extracting # 2 : cost 0 0.504 * * [simplify]: iteration 1 : 13 enodes (cost 15 ) 0.512 * * [simplify]: Extracting # 0 : cost 0 0.512 * * [simplify]: Extracting # 1 : cost 0 0.512 * * [simplify]: Extracting # 2 : cost 0 0.512 * * [simplify]: iteration 2 : 21 enodes (cost 15 ) 0.520 * * [simplify]: Extracting # 0 : cost 0 0.520 * * [simplify]: Extracting # 1 : cost 0 0.520 * * [simplify]: Extracting # 2 : cost 0 0.521 * * [simplify]: iteration 3 : 26 enodes (cost 15 ) 0.530 * * [simplify]: Extracting # 0 : cost 0 0.530 * * [simplify]: Extracting # 1 : cost 0 0.530 * * [simplify]: Extracting # 2 : cost 0 0.531 * * [simplify]: iteration 4 : 34 enodes (cost 15 ) 0.541 * * [simplify]: Extracting # 0 : cost 0 0.542 * * [simplify]: iteration 5 : 36 enodes (cost 15 ) 0.553 * * [simplify]: Extracting # 0 : cost 0 0.553 * * [simplify]: iteration done: 36 enodes (cost 15 ) 0.553 * [simplify]: Simplified to: (/ (- 1.0 (* (tan x) (tan x))) (+ 1.0 (* (tan x) (tan x)))) 0.555 * * [progress]: iteration 1 / 4 0.556 * * * [progress]: picking best candidate 0.559 * * * * [pick]: Picked # 0.559 * * * [progress]: localizing error 0.575 * * * [progress]: generating rewritten candidates 0.576 * * * * [progress]: [ 1 / 4 ] rewriting at (2 2 2) 0.598 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1 2) 0.672 * * * * [progress]: [ 3 / 4 ] rewriting at (2) 0.699 * * * * [progress]: [ 4 / 4 ] rewriting at (2 1) 0.746 * * * [progress]: generating series expansions 0.746 * * * * [progress]: [ 1 / 4 ] generating series at (2 2 2) 0.752 * [backup-simplify]: Simplify (* (tan x) (tan x)) into (pow (tan x) 2) 0.753 * [approximate]: Taking taylor expansion of (pow (tan x) 2) in (x) around 0 0.754 * [taylor]: Taking taylor expansion of (pow (tan x) 2) in x 0.754 * [taylor]: Taking taylor expansion of (tan x) in x 0.756 * [taylor]: Rewrote expression to (/ (sin x) (cos x)) 0.756 * [taylor]: Taking taylor expansion of (sin x) in x 0.756 * [taylor]: Taking taylor expansion of x in x 0.756 * [backup-simplify]: Simplify 0 into 0 0.756 * [backup-simplify]: Simplify 1 into 1 0.756 * [taylor]: Taking taylor expansion of (cos x) in x 0.756 * [taylor]: Taking taylor expansion of x in x 0.756 * [backup-simplify]: Simplify 0 into 0 0.756 * [backup-simplify]: Simplify 1 into 1 0.759 * [backup-simplify]: Simplify (+ (* 1 (/ (pow 1 1) 1))) into 1 0.760 * [backup-simplify]: Simplify (/ 1 1) into 1 0.760 * [taylor]: Taking taylor expansion of (pow (tan x) 2) in x 0.760 * [taylor]: Taking taylor expansion of (tan x) in x 0.760 * [taylor]: Rewrote expression to (/ (sin x) (cos x)) 0.760 * [taylor]: Taking taylor expansion of (sin x) in x 0.760 * [taylor]: Taking taylor expansion of x in x 0.760 * [backup-simplify]: Simplify 0 into 0 0.760 * [backup-simplify]: Simplify 1 into 1 0.760 * [taylor]: Taking taylor expansion of (cos x) in x 0.760 * [taylor]: Taking taylor expansion of x in x 0.760 * [backup-simplify]: Simplify 0 into 0 0.760 * [backup-simplify]: Simplify 1 into 1 0.761 * [backup-simplify]: Simplify (+ (* 1 (/ (pow 1 1) 1))) into 1 0.762 * [backup-simplify]: Simplify (/ 1 1) into 1 0.763 * [backup-simplify]: Simplify (* 1 1) into 1 0.763 * [backup-simplify]: Simplify 1 into 1 0.764 * [backup-simplify]: Simplify (+ 0 (* 1 (/ (pow 0 1) 1))) into 0 0.765 * [backup-simplify]: Simplify (+ 0) into 0 0.766 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)))) into 0 0.767 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.767 * [backup-simplify]: Simplify 0 into 0 0.769 * [backup-simplify]: Simplify (+ (* -1 (/ (pow 1 3) 6)) 0 (* 1 (/ (pow 0 1) 1))) into -1/6 0.770 * [backup-simplify]: Simplify (+ (* -1 (/ (pow 1 2) 2)) 0) into -1/2 0.771 * [backup-simplify]: Simplify (- (/ -1/6 1) (+ (* 1 (/ -1/2 1)) (* 0 (/ 0 1)))) into 1/3 0.772 * [backup-simplify]: Simplify (+ (* 1 1/3) (+ (* 0 0) (* 1/3 1))) into 2/3 0.773 * [backup-simplify]: Simplify 2/3 into 2/3 0.774 * [backup-simplify]: Simplify (+ 0 (* -1 (/ (pow 1 2) 2) (/ (pow 0 1) 1)) 0 0 (* 1 (/ (pow 0 1) 1))) into 0 0.776 * [backup-simplify]: Simplify (+ 0 (* -1 (/ (pow 1 1) 1) (/ (pow 0 1) 1)) 0) into 0 0.777 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)) (* 0 (/ -1/2 1)) (* 1/3 (/ 0 1)))) into 0 0.779 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 1/3) (+ (* 1/3 0) (* 0 1)))) into 0 0.779 * [backup-simplify]: Simplify 0 into 0 0.782 * [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 0.783 * [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 0.785 * [backup-simplify]: Simplify (- (/ 1/120 1) (+ (* 1 (/ 1/24 1)) (* 0 (/ 0 1)) (* 1/3 (/ -1/2 1)) (* 0 (/ 0 1)))) into 2/15 0.786 * [backup-simplify]: Simplify (+ (* 1 2/15) (+ (* 0 0) (+ (* 1/3 1/3) (+ (* 0 0) (* 2/15 1))))) into 17/45 0.786 * [backup-simplify]: Simplify 17/45 into 17/45