0.509 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.251 * * * [progress]: [2/2] Setting up program. 0.255 * [progress]: [Phase 2 of 3] Improving. 0.256 * [simplify]: Simplifying: (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) 0.256 * * [simplify]: Extracting # 0 : cost 0 0.256 * * [simplify]: Extracting # 1 : cost 0 0.256 * * [simplify]: Extracting # 2 : cost 0 0.256 * * [simplify]: Extracting # 3 : cost 0 0.256 * * [simplify]: Extracting # 4 : cost 0 0.256 * * [simplify]: Extracting # 5 : cost 0 0.256 * * [simplify]: iteration 0 : 7 enodes (cost 13 ) 0.258 * * [simplify]: Extracting # 0 : cost 0 0.259 * * [simplify]: Extracting # 1 : cost 0 0.259 * * [simplify]: Extracting # 2 : cost 0 0.259 * * [simplify]: iteration 1 : 15 enodes (cost 13 ) 0.264 * * [simplify]: Extracting # 0 : cost 0 0.265 * * [simplify]: Extracting # 1 : cost 0 0.265 * * [simplify]: Extracting # 2 : cost 0 0.265 * * [simplify]: iteration 2 : 25 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 3 : 31 enodes (cost 13 ) 0.274 * * [simplify]: Extracting # 0 : cost 0 0.274 * * [simplify]: Extracting # 1 : cost 0 0.274 * * [simplify]: Extracting # 2 : cost 0 0.274 * * [simplify]: iteration 4 : 42 enodes (cost 13 ) 0.310 * * [simplify]: Extracting # 0 : cost 0 0.310 * * [simplify]: Extracting # 1 : cost 0 0.310 * * [simplify]: Extracting # 2 : cost 0 0.310 * * [simplify]: Extracting # 3 : cost 0 0.310 * * [simplify]: Extracting # 4 : cost 0 0.310 * * [simplify]: iteration 5 : 52 enodes (cost 13 ) 0.317 * * [simplify]: Extracting # 0 : cost 0 0.317 * * [simplify]: Extracting # 1 : cost 0 0.317 * * [simplify]: Extracting # 2 : cost 0 0.317 * * [simplify]: iteration 6 : 55 enodes (cost 13 ) 0.330 * * [simplify]: Extracting # 0 : cost 0 0.330 * * [simplify]: Extracting # 1 : cost 0 0.330 * * [simplify]: Extracting # 2 : cost 0 0.330 * * [simplify]: iteration 7 : 87 enodes (cost 13 ) 0.348 * * [simplify]: Extracting # 0 : cost 0 0.348 * * [simplify]: Extracting # 1 : cost 0 0.348 * * [simplify]: Extracting # 2 : cost 0 0.348 * * [simplify]: Extracting # 3 : cost 0 0.348 * * [simplify]: iteration 8 : 100 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 0.384 * * [simplify]: iteration 9 : 136 enodes (cost 13 ) 0.427 * * [simplify]: Extracting # 0 : cost 0 0.427 * * [simplify]: Extracting # 1 : cost 0 0.427 * * [simplify]: Extracting # 2 : cost 0 0.427 * * [simplify]: Extracting # 3 : cost 0 0.428 * * [simplify]: Extracting # 4 : cost 0 0.428 * * [simplify]: iteration 10 : 201 enodes (cost 13 ) 0.562 * * [simplify]: Extracting # 0 : cost 0 0.562 * * [simplify]: Extracting # 1 : cost 0 0.562 * * [simplify]: Extracting # 2 : cost 0 0.563 * * [simplify]: Extracting # 3 : cost 0 0.563 * * [simplify]: Extracting # 4 : cost 0 0.563 * * [simplify]: iteration 11 : 355 enodes (cost 13 ) 0.946 * * [simplify]: Extracting # 0 : cost 0 0.948 * * [simplify]: Extracting # 1 : cost 0 0.950 * * [simplify]: Extracting # 2 : cost 0 0.951 * * [simplify]: Extracting # 3 : cost 0 0.953 * * [simplify]: Extracting # 4 : cost 0 0.954 * * [simplify]: iteration 12 : 892 enodes (cost 13 ) 2.764 * * [simplify]: Extracting # 0 : cost 0 2.770 * * [simplify]: Extracting # 1 : cost 0 2.774 * * [simplify]: Extracting # 2 : cost 0 2.777 * * [simplify]: Extracting # 3 : cost 0 2.782 * * [simplify]: Extracting # 4 : cost 0 2.785 * * [simplify]: Extracting # 5 : cost 0 2.789 * * [simplify]: iteration 13 : 2913 enodes (cost 13 ) 4.356 * * [simplify]: Extracting # 0 : cost 0 4.370 * * [simplify]: Extracting # 1 : cost 0 4.379 * * [simplify]: Extracting # 2 : cost 0 4.386 * * [simplify]: Extracting # 3 : cost 0 4.390 * * [simplify]: Extracting # 4 : cost 0 4.395 * * [simplify]: iteration done: 5000 enodes (cost 13 ) 4.395 * [simplify]: Simplified to: (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) 4.396 * * [progress]: iteration 1 / 4 4.396 * * * [progress]: picking best candidate 4.398 * * * * [pick]: Picked # 4.398 * * * [progress]: localizing error 4.407 * * * [progress]: generating rewritten candidates 4.407 * * * * [progress]: [ 1 / 3 ] rewriting at (2 1) 4.427 * * * * [progress]: [ 2 / 3 ] rewriting at (2) 4.485 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2) 4.519 * * * [progress]: generating series expansions 4.519 * * * * [progress]: [ 1 / 3 ] generating series at (2 1) 4.520 * [backup-simplify]: Simplify (- (exp x) (exp (- x))) into (- (exp x) (exp (- x))) 4.520 * [approximate]: Taking taylor expansion of (- (exp x) (exp (- x))) in (x) around 0 4.520 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x 4.520 * [taylor]: Taking taylor expansion of (exp x) in x 4.520 * [taylor]: Taking taylor expansion of x in x 4.520 * [backup-simplify]: Simplify 0 into 0 4.520 * [backup-simplify]: Simplify 1 into 1 4.520 * [backup-simplify]: Simplify (exp 0) into 1 4.520 * [taylor]: Taking taylor expansion of (exp (- x)) in x 4.520 * [taylor]: Taking taylor expansion of (- x) in x 4.520 * [taylor]: Taking taylor expansion of x in x 4.520 * [backup-simplify]: Simplify 0 into 0 4.520 * [backup-simplify]: Simplify 1 into 1 4.521 * [backup-simplify]: Simplify (- 0) into 0 4.522 * [backup-simplify]: Simplify (- 1) into -1 4.522 * [backup-simplify]: Simplify (exp 0) into 1 4.522 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x 4.522 * [taylor]: Taking taylor expansion of (exp x) in x 4.522 * [taylor]: Taking taylor expansion of x in x 4.522 * [backup-simplify]: Simplify 0 into 0 4.522 * [backup-simplify]: Simplify 1 into 1 4.522 * [backup-simplify]: Simplify (exp 0) into 1 4.522 * [taylor]: Taking taylor expansion of (exp (- x)) in x 4.522 * [taylor]: Taking taylor expansion of (- x) in x 4.522 * [taylor]: Taking taylor expansion of x in x 4.522 * [backup-simplify]: Simplify 0 into 0 4.522 * [backup-simplify]: Simplify 1 into 1 4.523 * [backup-simplify]: Simplify (- 0) into 0 4.523 * [backup-simplify]: Simplify (- 1) into -1 4.523 * [backup-simplify]: Simplify (exp 0) into 1 4.524 * [backup-simplify]: Simplify (- 1) into -1 4.525 * [backup-simplify]: Simplify (+ 1 -1) into 0 4.525 * [backup-simplify]: Simplify 0 into 0 4.527 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 1) 1)))) into 1 4.527 * [backup-simplify]: Simplify (- 1) into -1 4.529 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow -1 1) 1)))) into -1 4.529 * [backup-simplify]: Simplify (- -1) into 1 4.529 * [backup-simplify]: Simplify (+ 1 1) into 2 4.529 * [backup-simplify]: Simplify 2 into 2 4.531 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 2) 2)) (* (/ (pow 0 1) 1)))) into 1/2 4.531 * [backup-simplify]: Simplify (- 1) into -1 4.532 * [backup-simplify]: Simplify (- 0) into 0 4.534 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow -1 2) 2)) (* (/ (pow 0 1) 1)))) into 1/2 4.534 * [backup-simplify]: Simplify (- 1/2) into -1/2 4.534 * [backup-simplify]: Simplify (+ 1/2 -1/2) into 0 4.535 * [backup-simplify]: Simplify 0 into 0 4.537 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 3) 6)) (* (/ (pow 1 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 1) 1)))) into 1/6 4.537 * [backup-simplify]: Simplify (- 1) into -1 4.537 * [backup-simplify]: Simplify (- 1) into -1 4.538 * [backup-simplify]: Simplify (- 0) into 0 4.538 * [backup-simplify]: Simplify (- 0) into 0 4.539 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow -1 3) 6)) (* (/ (pow -1 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 1) 1)))) into -1/6 4.540 * [backup-simplify]: Simplify (- -1/6) into 1/6 4.540 * [backup-simplify]: Simplify (+ 1/6 1/6) into 1/3 4.540 * [backup-simplify]: Simplify 1/3 into 1/3 4.542 * [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 4.543 * [backup-simplify]: Simplify (- 1) into -1 4.543 * [backup-simplify]: Simplify (- 1) into -1 4.543 * [backup-simplify]: Simplify (- 0) into 0 4.543 * [backup-simplify]: Simplify (- 1) into -1 4.544 * [backup-simplify]: Simplify (- 0) into 0 4.544 * [backup-simplify]: Simplify (- 0) into 0 4.544 * [backup-simplify]: Simplify (- 0) into 0 4.546 * [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 4.547 * [backup-simplify]: Simplify (- 1/24) into -1/24 4.547 * [backup-simplify]: Simplify (+ 1/24 -1/24) into 0 4.547 * [backup-simplify]: Simplify 0 into 0 4.550 * [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 4.551 * [backup-simplify]: Simplify (- 1) into -1 4.551 * [backup-simplify]: Simplify (- 1) into -1 4.551 * [backup-simplify]: Simplify (- 0) into 0 4.552 * [backup-simplify]: Simplify (- 1) into -1 4.552 * [backup-simplify]: Simplify (- 0) into 0 4.552 * [backup-simplify]: Simplify (- 1) into -1 4.552 * [backup-simplify]: Simplify (- 0) into 0 4.553 * [backup-simplify]: Simplify (- 1) into -1 4.553 * [backup-simplify]: Simplify (- 0) into 0 4.553 * [backup-simplify]: Simplify (- 0) into 0 4.553 * [backup-simplify]: Simplify (- 0) into 0 4.554 * [backup-simplify]: Simplify (- 0) into 0 4.557 * [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 4.557 * [backup-simplify]: Simplify (- -1/120) into 1/120 4.558 * [backup-simplify]: Simplify (+ 1/120 1/120) into 1/60 4.558 * [backup-simplify]: Simplify 1/60 into 1/60