0.884 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.234 * * * [progress]: [2/2] Setting up program. 0.238 * [progress]: [Phase 2 of 3] Improving. 0.238 * [simplify]: Simplifying: (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) 0.238 * * [simplify]: Extracting # 0 : cost 0 0.238 * * [simplify]: Extracting # 1 : cost 0 0.238 * * [simplify]: Extracting # 2 : cost 0 0.238 * * [simplify]: Extracting # 3 : cost 0 0.238 * * [simplify]: Extracting # 4 : cost 0 0.238 * * [simplify]: Extracting # 5 : cost 0 0.238 * * [simplify]: iteration 0 : 7 enodes (cost 13 ) 0.241 * * [simplify]: Extracting # 0 : cost 0 0.241 * * [simplify]: Extracting # 1 : cost 0 0.241 * * [simplify]: Extracting # 2 : cost 0 0.241 * * [simplify]: iteration 1 : 15 enodes (cost 13 ) 0.300 * * [simplify]: Extracting # 0 : cost 0 0.300 * * [simplify]: Extracting # 1 : cost 0 0.300 * * [simplify]: Extracting # 2 : cost 0 0.300 * * [simplify]: iteration 2 : 25 enodes (cost 13 ) 0.307 * * [simplify]: Extracting # 0 : cost 0 0.307 * * [simplify]: Extracting # 1 : cost 0 0.307 * * [simplify]: Extracting # 2 : cost 0 0.307 * * [simplify]: iteration 3 : 31 enodes (cost 13 ) 0.316 * * [simplify]: Extracting # 0 : cost 0 0.316 * * [simplify]: Extracting # 1 : cost 0 0.316 * * [simplify]: Extracting # 2 : cost 0 0.316 * * [simplify]: iteration 4 : 42 enodes (cost 13 ) 0.323 * * [simplify]: Extracting # 0 : cost 0 0.323 * * [simplify]: Extracting # 1 : cost 0 0.323 * * [simplify]: Extracting # 2 : cost 0 0.323 * * [simplify]: Extracting # 3 : cost 0 0.324 * * [simplify]: iteration 5 : 56 enodes (cost 13 ) 0.331 * * [simplify]: Extracting # 0 : cost 0 0.331 * * [simplify]: Extracting # 1 : cost 0 0.331 * * [simplify]: Extracting # 2 : cost 0 0.331 * * [simplify]: iteration 6 : 59 enodes (cost 13 ) 0.342 * * [simplify]: Extracting # 0 : cost 0 0.342 * * [simplify]: Extracting # 1 : cost 0 0.342 * * [simplify]: Extracting # 2 : cost 0 0.342 * * [simplify]: iteration 7 : 95 enodes (cost 13 ) 0.358 * * [simplify]: Extracting # 0 : cost 0 0.358 * * [simplify]: Extracting # 1 : cost 0 0.358 * * [simplify]: Extracting # 2 : cost 0 0.358 * * [simplify]: Extracting # 3 : cost 0 0.359 * * [simplify]: Extracting # 4 : cost 0 0.359 * * [simplify]: iteration 8 : 110 enodes (cost 13 ) 0.384 * * [simplify]: Extracting # 0 : cost 0 0.384 * * [simplify]: Extracting # 1 : cost 0 0.384 * * [simplify]: Extracting # 2 : cost 0 0.384 * * [simplify]: Extracting # 3 : cost 0 0.385 * * [simplify]: Extracting # 4 : cost 0 0.385 * * [simplify]: iteration 9 : 155 enodes (cost 13 ) 0.434 * * [simplify]: Extracting # 0 : cost 0 0.435 * * [simplify]: Extracting # 1 : cost 0 0.435 * * [simplify]: Extracting # 2 : cost 0 0.435 * * [simplify]: Extracting # 3 : cost 0 0.435 * * [simplify]: Extracting # 4 : cost 0 0.435 * * [simplify]: iteration 10 : 227 enodes (cost 13 ) 0.582 * * [simplify]: Extracting # 0 : cost 0 0.582 * * [simplify]: Extracting # 1 : cost 0 0.587 * * [simplify]: Extracting # 2 : cost 0 0.588 * * [simplify]: Extracting # 3 : cost 0 0.589 * * [simplify]: Extracting # 4 : cost 0 0.589 * * [simplify]: iteration 11 : 395 enodes (cost 13 ) 0.883 * * [simplify]: Extracting # 0 : cost 0 0.884 * * [simplify]: Extracting # 1 : cost 0 0.885 * * [simplify]: Extracting # 2 : cost 0 0.885 * * [simplify]: Extracting # 3 : cost 0 0.886 * * [simplify]: Extracting # 4 : cost 0 0.887 * * [simplify]: iteration 12 : 965 enodes (cost 13 ) 2.690 * * [simplify]: Extracting # 0 : cost 0 2.697 * * [simplify]: Extracting # 1 : cost 0 2.709 * * [simplify]: Extracting # 2 : cost 0 2.713 * * [simplify]: Extracting # 3 : cost 0 2.717 * * [simplify]: Extracting # 4 : cost 0 2.721 * * [simplify]: Extracting # 5 : cost 0 2.725 * * [simplify]: iteration 13 : 3061 enodes (cost 13 ) 4.231 * * [simplify]: Extracting # 0 : cost 0 4.237 * * [simplify]: Extracting # 1 : cost 0 4.253 * * [simplify]: Extracting # 2 : cost 0 4.262 * * [simplify]: Extracting # 3 : cost 0 4.267 * * [simplify]: iteration done: 5001 enodes (cost 13 ) 4.267 * [simplify]: Simplified to: (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) 4.268 * * [progress]: iteration 1 / 4 4.268 * * * [progress]: picking best candidate 4.270 * * * * [pick]: Picked # 4.270 * * * [progress]: localizing error 4.280 * * * [progress]: generating rewritten candidates 4.280 * * * * [progress]: [ 1 / 3 ] rewriting at (2 1) 4.296 * * * * [progress]: [ 2 / 3 ] rewriting at (2) 4.383 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2) 4.398 * * * [progress]: generating series expansions 4.399 * * * * [progress]: [ 1 / 3 ] generating series at (2 1) 4.399 * [backup-simplify]: Simplify (- (exp x) (exp (- x))) into (- (exp x) (exp (- x))) 4.399 * [approximate]: Taking taylor expansion of (- (exp x) (exp (- x))) in (x) around 0 4.399 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x 4.399 * [taylor]: Taking taylor expansion of (exp x) in x 4.399 * [taylor]: Taking taylor expansion of x in x 4.399 * [backup-simplify]: Simplify 0 into 0 4.399 * [backup-simplify]: Simplify 1 into 1 4.399 * [backup-simplify]: Simplify (exp 0) into 1 4.399 * [taylor]: Taking taylor expansion of (exp (- x)) in x 4.399 * [taylor]: Taking taylor expansion of (- x) in x 4.399 * [taylor]: Taking taylor expansion of x in x 4.399 * [backup-simplify]: Simplify 0 into 0 4.399 * [backup-simplify]: Simplify 1 into 1 4.400 * [backup-simplify]: Simplify (- 0) into 0 4.400 * [backup-simplify]: Simplify (- 1) into -1 4.400 * [backup-simplify]: Simplify (exp 0) into 1 4.400 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x 4.400 * [taylor]: Taking taylor expansion of (exp x) in x 4.400 * [taylor]: Taking taylor expansion of x in x 4.400 * [backup-simplify]: Simplify 0 into 0 4.400 * [backup-simplify]: Simplify 1 into 1 4.400 * [backup-simplify]: Simplify (exp 0) into 1 4.400 * [taylor]: Taking taylor expansion of (exp (- x)) in x 4.400 * [taylor]: Taking taylor expansion of (- x) in x 4.400 * [taylor]: Taking taylor expansion of x in x 4.400 * [backup-simplify]: Simplify 0 into 0 4.400 * [backup-simplify]: Simplify 1 into 1 4.400 * [backup-simplify]: Simplify (- 0) into 0 4.401 * [backup-simplify]: Simplify (- 1) into -1 4.401 * [backup-simplify]: Simplify (exp 0) into 1 4.401 * [backup-simplify]: Simplify (- 1) into -1 4.402 * [backup-simplify]: Simplify (+ 1 -1) into 0 4.402 * [backup-simplify]: Simplify 0 into 0 4.403 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 1) 1)))) into 1 4.404 * [backup-simplify]: Simplify (- 1) into -1 4.405 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow -1 1) 1)))) into -1 4.405 * [backup-simplify]: Simplify (- -1) into 1 4.406 * [backup-simplify]: Simplify (+ 1 1) into 2 4.406 * [backup-simplify]: Simplify 2 into 2 4.407 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 2) 2)) (* (/ (pow 0 1) 1)))) into 1/2 4.408 * [backup-simplify]: Simplify (- 1) into -1 4.408 * [backup-simplify]: Simplify (- 0) into 0 4.410 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow -1 2) 2)) (* (/ (pow 0 1) 1)))) into 1/2 4.410 * [backup-simplify]: Simplify (- 1/2) into -1/2 4.411 * [backup-simplify]: Simplify (+ 1/2 -1/2) into 0 4.411 * [backup-simplify]: Simplify 0 into 0 4.413 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 3) 6)) (* (/ (pow 1 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 1) 1)))) into 1/6 4.413 * [backup-simplify]: Simplify (- 1) into -1 4.413 * [backup-simplify]: Simplify (- 1) into -1 4.414 * [backup-simplify]: Simplify (- 0) into 0 4.414 * [backup-simplify]: Simplify (- 0) into 0 4.415 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow -1 3) 6)) (* (/ (pow -1 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 1) 1)))) into -1/6 4.415 * [backup-simplify]: Simplify (- -1/6) into 1/6 4.416 * [backup-simplify]: Simplify (+ 1/6 1/6) into 1/3 4.416 * [backup-simplify]: Simplify 1/3 into 1/3 4.418 * [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 4.418 * [backup-simplify]: Simplify (- 1) into -1 4.419 * [backup-simplify]: Simplify (- 1) into -1 4.419 * [backup-simplify]: Simplify (- 0) into 0 4.419 * [backup-simplify]: Simplify (- 1) into -1 4.419 * [backup-simplify]: Simplify (- 0) into 0 4.423 * [backup-simplify]: Simplify (- 0) into 0 4.423 * [backup-simplify]: Simplify (- 0) into 0 4.425 * [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 4.426 * [backup-simplify]: Simplify (- 1/24) into -1/24 4.426 * [backup-simplify]: Simplify (+ 1/24 -1/24) into 0 4.426 * [backup-simplify]: Simplify 0 into 0 4.429 * [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 4.430 * [backup-simplify]: Simplify (- 1) into -1 4.430 * [backup-simplify]: Simplify (- 1) into -1 4.430 * [backup-simplify]: Simplify (- 0) into 0 4.430 * [backup-simplify]: Simplify (- 1) into -1 4.431 * [backup-simplify]: Simplify (- 0) into 0 4.431 * [backup-simplify]: Simplify (- 1) into -1 4.431 * [backup-simplify]: Simplify (- 0) into 0 4.431 * [backup-simplify]: Simplify (- 1) into -1 4.432 * [backup-simplify]: Simplify (- 0) into 0 4.432 * [backup-simplify]: Simplify (- 0) into 0 4.433 * [backup-simplify]: Simplify (- 0) into 0 4.433 * [backup-simplify]: Simplify (- 0) into 0 4.437 * [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 4.437 * [backup-simplify]: Simplify (- -1/120) into 1/120 4.437 * [backup-simplify]: Simplify (+ 1/120 1/120) into 1/60 4.437 * [backup-simplify]: Simplify 1/60 into 1/60