0.425 * [progress]: [Phase 1 of 3] Setting up. 0.002 * * * [progress]: [1/2] Preparing points 0.262 * * * [progress]: [2/2] Setting up program. 0.267 * [progress]: [Phase 2 of 3] Improving. 0.267 * [simplify]: Simplifying: (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) 0.267 * * [simplify]: Extracting # 0 : cost 0 0.267 * * [simplify]: Extracting # 1 : cost 0 0.267 * * [simplify]: Extracting # 2 : cost 0 0.267 * * [simplify]: Extracting # 3 : cost 0 0.268 * * [simplify]: Extracting # 4 : cost 0 0.268 * * [simplify]: Extracting # 5 : cost 0 0.268 * * [simplify]: iteration 0 : 7 enodes (cost 13 ) 0.270 * * [simplify]: Extracting # 0 : cost 0 0.270 * * [simplify]: Extracting # 1 : cost 0 0.270 * * [simplify]: Extracting # 2 : cost 0 0.270 * * [simplify]: iteration 1 : 15 enodes (cost 13 ) 0.276 * * [simplify]: Extracting # 0 : cost 0 0.276 * * [simplify]: Extracting # 1 : cost 0 0.277 * * [simplify]: Extracting # 2 : cost 0 0.277 * * [simplify]: iteration 2 : 25 enodes (cost 13 ) 0.283 * * [simplify]: Extracting # 0 : cost 0 0.283 * * [simplify]: Extracting # 1 : cost 0 0.283 * * [simplify]: Extracting # 2 : cost 0 0.284 * * [simplify]: iteration 3 : 31 enodes (cost 13 ) 0.292 * * [simplify]: Extracting # 0 : cost 0 0.292 * * [simplify]: Extracting # 1 : cost 0 0.292 * * [simplify]: Extracting # 2 : cost 0 0.293 * * [simplify]: iteration 4 : 42 enodes (cost 13 ) 0.352 * * [simplify]: Extracting # 0 : cost 0 0.352 * * [simplify]: Extracting # 1 : cost 0 0.352 * * [simplify]: Extracting # 2 : cost 0 0.352 * * [simplify]: Extracting # 3 : cost 0 0.352 * * [simplify]: iteration 5 : 56 enodes (cost 13 ) 0.370 * * [simplify]: Extracting # 0 : cost 0 0.370 * * [simplify]: Extracting # 1 : cost 0 0.370 * * [simplify]: Extracting # 2 : cost 0 0.370 * * [simplify]: iteration 6 : 59 enodes (cost 13 ) 0.390 * * [simplify]: Extracting # 0 : cost 0 0.390 * * [simplify]: Extracting # 1 : cost 0 0.391 * * [simplify]: Extracting # 2 : cost 0 0.391 * * [simplify]: iteration 7 : 95 enodes (cost 13 ) 0.408 * * [simplify]: Extracting # 0 : cost 0 0.409 * * [simplify]: Extracting # 1 : cost 0 0.409 * * [simplify]: Extracting # 2 : cost 0 0.409 * * [simplify]: Extracting # 3 : cost 0 0.409 * * [simplify]: Extracting # 4 : cost 0 0.409 * * [simplify]: iteration 8 : 110 enodes (cost 13 ) 0.430 * * [simplify]: Extracting # 0 : cost 0 0.430 * * [simplify]: Extracting # 1 : cost 0 0.430 * * [simplify]: Extracting # 2 : cost 0 0.430 * * [simplify]: Extracting # 3 : cost 0 0.431 * * [simplify]: Extracting # 4 : cost 0 0.431 * * [simplify]: iteration 9 : 155 enodes (cost 13 ) 0.473 * * [simplify]: Extracting # 0 : cost 0 0.473 * * [simplify]: Extracting # 1 : cost 0 0.474 * * [simplify]: Extracting # 2 : cost 0 0.474 * * [simplify]: Extracting # 3 : cost 0 0.474 * * [simplify]: Extracting # 4 : cost 0 0.474 * * [simplify]: iteration 10 : 227 enodes (cost 13 ) 0.557 * * [simplify]: Extracting # 0 : cost 0 0.558 * * [simplify]: Extracting # 1 : cost 0 0.558 * * [simplify]: Extracting # 2 : cost 0 0.558 * * [simplify]: Extracting # 3 : cost 0 0.559 * * [simplify]: Extracting # 4 : cost 0 0.559 * * [simplify]: iteration 11 : 395 enodes (cost 13 ) 0.867 * * [simplify]: Extracting # 0 : cost 0 0.869 * * [simplify]: Extracting # 1 : cost 0 0.870 * * [simplify]: Extracting # 2 : cost 0 0.872 * * [simplify]: Extracting # 3 : cost 0 0.873 * * [simplify]: Extracting # 4 : cost 0 0.875 * * [simplify]: iteration 12 : 965 enodes (cost 13 ) 2.733 * * [simplify]: Extracting # 0 : cost 0 2.739 * * [simplify]: Extracting # 1 : cost 0 2.744 * * [simplify]: Extracting # 2 : cost 0 2.748 * * [simplify]: Extracting # 3 : cost 0 2.752 * * [simplify]: Extracting # 4 : cost 0 2.756 * * [simplify]: Extracting # 5 : cost 0 2.766 * * [simplify]: iteration 13 : 3061 enodes (cost 13 ) 4.337 * * [simplify]: Extracting # 0 : cost 0 4.343 * * [simplify]: Extracting # 1 : cost 0 4.348 * * [simplify]: Extracting # 2 : cost 0 4.353 * * [simplify]: Extracting # 3 : cost 0 4.362 * * [simplify]: iteration done: 5001 enodes (cost 13 ) 4.363 * [simplify]: Simplified to: (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) 4.363 * * [progress]: iteration 1 / 4 4.363 * * * [progress]: picking best candidate 4.365 * * * * [pick]: Picked # 4.365 * * * [progress]: localizing error 4.374 * * * [progress]: generating rewritten candidates 4.374 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1) 4.391 * * * * [progress]: [ 2 / 2 ] rewriting at (2) 4.458 * * * [progress]: generating series expansions 4.458 * * * * [progress]: [ 1 / 2 ] generating series at (2 1) 4.458 * [backup-simplify]: Simplify (- (exp x) (exp (- x))) into (- (exp x) (exp (- x))) 4.458 * [approximate]: Taking taylor expansion of (- (exp x) (exp (- x))) in (x) around 0 4.459 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x 4.459 * [taylor]: Taking taylor expansion of (exp x) in x 4.459 * [taylor]: Taking taylor expansion of x in x 4.459 * [backup-simplify]: Simplify 0 into 0 4.459 * [backup-simplify]: Simplify 1 into 1 4.459 * [backup-simplify]: Simplify (exp 0) into 1 4.459 * [taylor]: Taking taylor expansion of (exp (- x)) in x 4.459 * [taylor]: Taking taylor expansion of (- x) in x 4.459 * [taylor]: Taking taylor expansion of x in x 4.459 * [backup-simplify]: Simplify 0 into 0 4.459 * [backup-simplify]: Simplify 1 into 1 4.460 * [backup-simplify]: Simplify (- 0) into 0 4.460 * [backup-simplify]: Simplify (- 1) into -1 4.460 * [backup-simplify]: Simplify (exp 0) into 1 4.461 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x 4.461 * [taylor]: Taking taylor expansion of (exp x) in x 4.461 * [taylor]: Taking taylor expansion of x in x 4.461 * [backup-simplify]: Simplify 0 into 0 4.461 * [backup-simplify]: Simplify 1 into 1 4.461 * [backup-simplify]: Simplify (exp 0) into 1 4.461 * [taylor]: Taking taylor expansion of (exp (- x)) in x 4.461 * [taylor]: Taking taylor expansion of (- x) in x 4.461 * [taylor]: Taking taylor expansion of x in x 4.461 * [backup-simplify]: Simplify 0 into 0 4.461 * [backup-simplify]: Simplify 1 into 1 4.461 * [backup-simplify]: Simplify (- 0) into 0 4.461 * [backup-simplify]: Simplify (- 1) into -1 4.461 * [backup-simplify]: Simplify (exp 0) into 1 4.462 * [backup-simplify]: Simplify (- 1) into -1 4.463 * [backup-simplify]: Simplify (+ 1 -1) into 0 4.463 * [backup-simplify]: Simplify 0 into 0 4.464 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 1) 1)))) into 1 4.464 * [backup-simplify]: Simplify (- 1) into -1 4.465 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow -1 1) 1)))) into -1 4.466 * [backup-simplify]: Simplify (- -1) into 1 4.466 * [backup-simplify]: Simplify (+ 1 1) into 2 4.466 * [backup-simplify]: Simplify 2 into 2 4.467 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 2) 2)) (* (/ (pow 0 1) 1)))) into 1/2 4.467 * [backup-simplify]: Simplify (- 1) into -1 4.467 * [backup-simplify]: Simplify (- 0) into 0 4.468 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow -1 2) 2)) (* (/ (pow 0 1) 1)))) into 1/2 4.469 * [backup-simplify]: Simplify (- 1/2) into -1/2 4.469 * [backup-simplify]: Simplify (+ 1/2 -1/2) into 0 4.469 * [backup-simplify]: Simplify 0 into 0 4.470 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 3) 6)) (* (/ (pow 1 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 1) 1)))) into 1/6 4.471 * [backup-simplify]: Simplify (- 1) into -1 4.471 * [backup-simplify]: Simplify (- 1) into -1 4.471 * [backup-simplify]: Simplify (- 0) into 0 4.471 * [backup-simplify]: Simplify (- 0) into 0 4.473 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow -1 3) 6)) (* (/ (pow -1 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 1) 1)))) into -1/6 4.473 * [backup-simplify]: Simplify (- -1/6) into 1/6 4.473 * [backup-simplify]: Simplify (+ 1/6 1/6) into 1/3 4.473 * [backup-simplify]: Simplify 1/3 into 1/3 4.476 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 4) 24)) (* (/ (pow 1 2) 2) (/ (pow 0 1) 1)) (* (/ (pow 1 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 2) 2)) (* (/ (pow 0 1) 1)))) into 1/24 4.476 * [backup-simplify]: Simplify (- 1) into -1 4.476 * [backup-simplify]: Simplify (- 1) into -1 4.476 * [backup-simplify]: Simplify (- 0) into 0 4.477 * [backup-simplify]: Simplify (- 1) into -1 4.477 * [backup-simplify]: Simplify (- 0) into 0 4.477 * [backup-simplify]: Simplify (- 0) into 0 4.477 * [backup-simplify]: Simplify (- 0) into 0 4.480 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow -1 4) 24)) (* (/ (pow -1 2) 2) (/ (pow 0 1) 1)) (* (/ (pow -1 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 2) 2)) (* (/ (pow 0 1) 1)))) into 1/24 4.480 * [backup-simplify]: Simplify (- 1/24) into -1/24 4.480 * [backup-simplify]: Simplify (+ 1/24 -1/24) into 0 4.480 * [backup-simplify]: Simplify 0 into 0 4.483 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 5) 120)) (* (/ (pow 1 3) 6) (/ (pow 0 1) 1)) (* (/ (pow 1 2) 2) (/ (pow 0 1) 1)) (* (/ (pow 1 1) 1) (/ (pow 0 2) 2)) (* (/ (pow 1 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 1) 1)))) into 1/120 4.484 * [backup-simplify]: Simplify (- 1) into -1 4.484 * [backup-simplify]: Simplify (- 1) into -1 4.484 * [backup-simplify]: Simplify (- 0) into 0 4.484 * [backup-simplify]: Simplify (- 1) into -1 4.485 * [backup-simplify]: Simplify (- 0) into 0 4.485 * [backup-simplify]: Simplify (- 1) into -1 4.485 * [backup-simplify]: Simplify (- 0) into 0 4.485 * [backup-simplify]: Simplify (- 1) into -1 4.486 * [backup-simplify]: Simplify (- 0) into 0 4.486 * [backup-simplify]: Simplify (- 0) into 0 4.486 * [backup-simplify]: Simplify (- 0) into 0 4.486 * [backup-simplify]: Simplify (- 0) into 0 4.490 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow -1 5) 120)) (* (/ (pow -1 3) 6) (/ (pow 0 1) 1)) (* (/ (pow -1 2) 2) (/ (pow 0 1) 1)) (* (/ (pow -1 1) 1) (/ (pow 0 2) 2)) (* (/ (pow -1 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 1) 1)))) into -1/120 4.490 * [backup-simplify]: Simplify (- -1/120) into 1/120 4.490 * [backup-simplify]: Simplify (+ 1/120 1/120) into 1/60 4.490 * [backup-simplify]: Simplify 1/60 into 1/60