0.235 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.339 * * * [progress]: [2/2] Setting up program. 0.343 * [progress]: [Phase 2 of 3] Improving. 0.343 * [simplify]: Simplifying: (- (/ 1.0 x) (/ 1.0 (tan x))) 0.343 * * [simplify]: Extracting # 0 : cost 0 0.343 * * [simplify]: Extracting # 1 : cost 0 0.343 * * [simplify]: Extracting # 2 : cost 0 0.343 * * [simplify]: Extracting # 3 : cost 0 0.343 * * [simplify]: Extracting # 4 : cost 0 0.343 * * [simplify]: iteration 0 : 6 enodes (cost 8 ) 0.345 * * [simplify]: Extracting # 0 : cost 0 0.345 * * [simplify]: Extracting # 1 : cost 0 0.345 * * [simplify]: Extracting # 2 : cost 0 0.345 * * [simplify]: iteration 1 : 8 enodes (cost 8 ) 0.348 * * [simplify]: Extracting # 0 : cost 0 0.348 * * [simplify]: Extracting # 1 : cost 0 0.348 * * [simplify]: Extracting # 2 : cost 0 0.348 * * [simplify]: iteration 2 : 11 enodes (cost 8 ) 0.352 * * [simplify]: Extracting # 0 : cost 0 0.352 * * [simplify]: iteration done: 11 enodes (cost 8 ) 0.353 * [simplify]: Simplified to: (- (/ 1.0 x) (/ 1.0 (tan x))) 0.353 * * [progress]: iteration 1 / 4 0.353 * * * [progress]: picking best candidate 0.356 * * * * [pick]: Picked # 0.356 * * * [progress]: localizing error 0.368 * * * [progress]: generating rewritten candidates 0.368 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.442 * * * [progress]: generating series expansions 0.443 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.443 * [backup-simplify]: Simplify (- (/ 1.0 x) (/ 1.0 (tan x))) into (- (* 1.0 (/ 1 x)) (* 1.0 (/ 1 (tan x)))) 0.443 * [approximate]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 1.0 (/ 1 (tan x)))) in (x) around 0 0.443 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 1.0 (/ 1 (tan x)))) in x 0.443 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x 0.443 * [taylor]: Taking taylor expansion of 1.0 in x 0.443 * [backup-simplify]: Simplify 1.0 into 1.0 0.443 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.443 * [taylor]: Taking taylor expansion of x in x 0.443 * [backup-simplify]: Simplify 0 into 0 0.443 * [backup-simplify]: Simplify 1 into 1 0.443 * [backup-simplify]: Simplify (/ 1 1) into 1 0.443 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 (tan x))) in x 0.444 * [taylor]: Taking taylor expansion of 1.0 in x 0.444 * [backup-simplify]: Simplify 1.0 into 1.0 0.444 * [taylor]: Taking taylor expansion of (/ 1 (tan x)) in x 0.444 * [taylor]: Taking taylor expansion of (tan x) in x 0.445 * [taylor]: Rewrote expression to (/ (sin x) (cos x)) 0.445 * [taylor]: Taking taylor expansion of (sin x) in x 0.445 * [taylor]: Taking taylor expansion of x in x 0.445 * [backup-simplify]: Simplify 0 into 0 0.445 * [backup-simplify]: Simplify 1 into 1 0.445 * [taylor]: Taking taylor expansion of (cos x) in x 0.445 * [taylor]: Taking taylor expansion of x in x 0.445 * [backup-simplify]: Simplify 0 into 0 0.445 * [backup-simplify]: Simplify 1 into 1 0.446 * [backup-simplify]: Simplify (+ (* 1 (/ (pow 1 1) 1))) into 1 0.446 * [backup-simplify]: Simplify (/ 1 1) into 1 0.446 * [backup-simplify]: Simplify (/ 1 1) into 1 0.446 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 1.0 (/ 1 (tan x)))) in x 0.446 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x 0.446 * [taylor]: Taking taylor expansion of 1.0 in x 0.446 * [backup-simplify]: Simplify 1.0 into 1.0 0.446 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.446 * [taylor]: Taking taylor expansion of x in x 0.446 * [backup-simplify]: Simplify 0 into 0 0.446 * [backup-simplify]: Simplify 1 into 1 0.447 * [backup-simplify]: Simplify (/ 1 1) into 1 0.447 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 (tan x))) in x 0.447 * [taylor]: Taking taylor expansion of 1.0 in x 0.447 * [backup-simplify]: Simplify 1.0 into 1.0 0.447 * [taylor]: Taking taylor expansion of (/ 1 (tan x)) in x 0.447 * [taylor]: Taking taylor expansion of (tan x) in x 0.447 * [taylor]: Rewrote expression to (/ (sin x) (cos x)) 0.447 * [taylor]: Taking taylor expansion of (sin x) in x 0.447 * [taylor]: Taking taylor expansion of x in x 0.447 * [backup-simplify]: Simplify 0 into 0 0.447 * [backup-simplify]: Simplify 1 into 1 0.447 * [taylor]: Taking taylor expansion of (cos x) in x 0.447 * [taylor]: Taking taylor expansion of x in x 0.447 * [backup-simplify]: Simplify 0 into 0 0.447 * [backup-simplify]: Simplify 1 into 1 0.447 * [backup-simplify]: Simplify (+ (* 1 (/ (pow 1 1) 1))) into 1 0.448 * [backup-simplify]: Simplify (/ 1 1) into 1 0.448 * [backup-simplify]: Simplify (/ 1 1) into 1 0.448 * [backup-simplify]: Simplify (* 1.0 1) into 1.0 0.448 * [backup-simplify]: Simplify (* 1.0 1) into 1.0 0.449 * [backup-simplify]: Simplify (- 1.0) into (- 1.0) 0.449 * [backup-simplify]: Simplify (+ 1.0 (- 1.0)) into 0 0.449 * [backup-simplify]: Simplify 0 into 0 0.450 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.451 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0 0.451 * [backup-simplify]: Simplify (+ 0 (* 1 (/ (pow 0 1) 1))) into 0 0.452 * [backup-simplify]: Simplify (+ 0) into 0 0.452 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)))) into 0 0.453 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.454 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0 0.454 * [backup-simplify]: Simplify (- 0) into 0 0.455 * [backup-simplify]: Simplify (+ 0 0) into 0 0.455 * [backup-simplify]: Simplify 0 into 0 0.456 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.457 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0 0.459 * [backup-simplify]: Simplify (+ (* -1 (/ (pow 1 3) 6)) 0 (* 1 (/ (pow 0 1) 1))) into -1/6 0.460 * [backup-simplify]: Simplify (+ (* -1 (/ (pow 1 2) 2)) 0) into -1/2 0.461 * [backup-simplify]: Simplify (- (/ -1/6 1) (+ (* 1 (/ -1/2 1)) (* 0 (/ 0 1)))) into 1/3 0.463 * [backup-simplify]: Simplify (- (+ (* 1 (/ 1/3 1)) (* 0 (/ 0 1)))) into -1/3 0.465 * [backup-simplify]: Simplify (+ (* 1.0 -1/3) (+ (* 0 0) (* 0 1))) into (- 0.3333333333333333) 0.465 * [backup-simplify]: Simplify (- (- 0.3333333333333333)) into 0.3333333333333333 0.466 * [backup-simplify]: Simplify (+ 0 0.3333333333333333) into 0.3333333333333333 0.466 * [backup-simplify]: Simplify 0.3333333333333333 into 0.3333333333333333 0.467 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.468 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.470 * [backup-simplify]: Simplify (+ 0 (* -1 (/ (pow 1 2) 2) (/ (pow 0 1) 1)) 0 0 (* 1 (/ (pow 0 1) 1))) into 0 0.471 * [backup-simplify]: Simplify (+ 0 (* -1 (/ (pow 1 1) 1) (/ (pow 0 1) 1)) 0) into 0 0.473 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)) (* 0 (/ -1/2 1)) (* 1/3 (/ 0 1)))) into 0 0.474 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 1/3 1)) (* -1/3 (/ 0 1)))) into 0 0.475 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 -1/3) (+ (* 0 0) (* 0 1)))) into 0 0.476 * [backup-simplify]: Simplify (- 0) into 0 0.476 * [backup-simplify]: Simplify (+ 0 0) into 0 0.476 * [backup-simplify]: Simplify 0 into 0 0.477 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.478 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.482 * [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 0.485 * [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 0.487 * [backup-simplify]: Simplify (- (/ 1/120 1) (+ (* 1 (/ 1/24 1)) (* 0 (/ 0 1)) (* 1/3 (/ -1/2 1)) (* 0 (/ 0 1)))) into 2/15 0.489 * [backup-simplify]: Simplify (- (+ (* 1 (/ 2/15 1)) (* 0 (/ 0 1)) (* -1/3 (/ 1/3 1)) (* 0 (/ 0 1)))) into -1/45 0.492 * [backup-simplify]: Simplify (+ (* 1.0 -1/45) (+ (* 0 0) (+ (* 0 -1/3) (+ (* 0 0) (* 0 1))))) into (- 0.022222222222222223) 0.493 * [backup-simplify]: Simplify (- (- 0.022222222222222223)) into 0.022222222222222223 0.493 * [backup-simplify]: Simplify (+ 0 0.022222222222222223) into 0.022222222222222223 0.493 * [backup-simplify]: Simplify 0.022222222222222223 into 0.022222222222222223 0.494 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.495 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 0.500 * [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 0.502 * [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 0.505 * [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 0.507 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 2/15 1)) (* -1/3 (/ 0 1)) (* 0 (/ 1/3 1)) (* -1/45 (/ 0 1)))) into 0 0.509 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 -1/45) (+ (* 0 0) (+ (* 0 -1/3) (+ (* 0 0) (* 0 1)))))) into 0 0.509 * [backup-simplify]: Simplify (- 0) into 0 0.510 * [backup-simplify]: Simplify (+ 0 0) into 0 0.510 * [backup-simplify]: Simplify 0 into 0 0.511 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.513 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 0.521 * [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 0.526 * [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 0.529 * [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 0.532 * [backup-simplify]: Simplify (- (+ (* 1 (/ 17/315 1)) (* 0 (/ 0 1)) (* -1/3 (/ 2/15 1)) (* 0 (/ 0 1)) (* -1/45 (/ 1/3 1)) (* 0 (/ 0 1)))) into -2/945 0.547 * [backup-simplify]: Simplify (+ (* 1.0 -2/945) (+ (* 0 0) (+ (* 0 -1/45) (+ (* 0 0) (+ (* 0 -1/3) (+ (* 0 0) (* 0 1))))))) into (- 0.0021164021164021165) 0.548 * [backup-simplify]: Simplify (- (- 0.0021164021164021165)) into 0.0021164021164021165 0.548 * [backup-simplify]: Simplify (+ 0 0.0021164021164021165) into 0.0021164021164021165 0.548 * [backup-simplify]: Simplify 0.0021164021164021165 into 0.0021164021164021165