0.522 * [progress]: [Phase 1 of 3] Setting up. 0.002 * * * [progress]: [1/2] Preparing points 0.045 * * * [progress]: [2/2] Setting up program. 0.047 * [progress]: [Phase 2 of 3] Improving. 0.047 * [simplify]: Simplifying: (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0) 0.048 * * [simplify]: Extracting # 0 : cost 0 0.048 * * [simplify]: Extracting # 1 : cost 0 0.048 * * [simplify]: Extracting # 2 : cost 0 0.048 * * [simplify]: Extracting # 3 : cost 0 0.048 * * [simplify]: Extracting # 4 : cost 0 0.048 * * [simplify]: Extracting # 5 : cost 0 0.048 * * [simplify]: Extracting # 6 : cost 0 0.048 * * [simplify]: Extracting # 7 : cost 0 0.048 * * [simplify]: iteration 0 : 9 enodes (cost 10 ) 0.064 * * [simplify]: Extracting # 0 : cost 0 0.064 * * [simplify]: Extracting # 1 : cost 0 0.064 * * [simplify]: Extracting # 2 : cost 0 0.064 * * [simplify]: iteration 1 : 15 enodes (cost 10 ) 0.069 * * [simplify]: Extracting # 0 : cost 0 0.069 * * [simplify]: Extracting # 1 : cost 0 0.069 * * [simplify]: Extracting # 2 : cost 0 0.069 * * [simplify]: Extracting # 3 : cost 0 0.070 * * [simplify]: Extracting # 4 : cost 0 0.070 * * [simplify]: Extracting # 5 : cost 0 0.070 * * [simplify]: Extracting # 6 : cost 0 0.070 * * [simplify]: iteration 2 : 22 enodes (cost 10 ) 0.079 * * [simplify]: Extracting # 0 : cost 0 0.079 * * [simplify]: Extracting # 1 : cost 0 0.079 * * [simplify]: Extracting # 2 : cost 0 0.079 * * [simplify]: Extracting # 3 : cost 0 0.079 * * [simplify]: Extracting # 4 : cost 0 0.079 * * [simplify]: iteration 3 : 30 enodes (cost 10 ) 0.091 * * [simplify]: Extracting # 0 : cost 0 0.091 * * [simplify]: Extracting # 1 : cost 0 0.091 * * [simplify]: Extracting # 2 : cost 0 0.091 * * [simplify]: Extracting # 3 : cost 0 0.091 * * [simplify]: Extracting # 4 : cost 0 0.091 * * [simplify]: iteration 4 : 53 enodes (cost 10 ) 0.112 * * [simplify]: Extracting # 0 : cost 0 0.112 * * [simplify]: Extracting # 1 : cost 0 0.112 * * [simplify]: Extracting # 2 : cost 0 0.112 * * [simplify]: Extracting # 3 : cost 0 0.113 * * [simplify]: Extracting # 4 : cost 0 0.113 * * [simplify]: iteration 5 : 115 enodes (cost 10 ) 0.196 * * [simplify]: Extracting # 0 : cost 0 0.197 * * [simplify]: Extracting # 1 : cost 0 0.197 * * [simplify]: Extracting # 2 : cost 0 0.198 * * [simplify]: Extracting # 3 : cost 0 0.198 * * [simplify]: Extracting # 4 : cost 0 0.199 * * [simplify]: iteration 6 : 270 enodes (cost 10 ) 0.415 * * [simplify]: Extracting # 0 : cost 0 0.417 * * [simplify]: Extracting # 1 : cost 0 0.418 * * [simplify]: Extracting # 2 : cost 0 0.419 * * [simplify]: Extracting # 3 : cost 0 0.420 * * [simplify]: Extracting # 4 : cost 0 0.421 * * [simplify]: iteration 7 : 776 enodes (cost 10 ) 1.888 * * [simplify]: Extracting # 0 : cost 0 1.891 * * [simplify]: Extracting # 1 : cost 0 1.893 * * [simplify]: Extracting # 2 : cost 0 1.895 * * [simplify]: Extracting # 3 : cost 0 1.897 * * [simplify]: Extracting # 4 : cost 0 1.898 * * [simplify]: Extracting # 5 : cost 0 1.900 * * [simplify]: iteration 8 : 2948 enodes (cost 10 ) 3.231 * * [simplify]: Extracting # 0 : cost 0 3.239 * * [simplify]: Extracting # 1 : cost 0 3.249 * * [simplify]: Extracting # 2 : cost 0 3.258 * * [simplify]: Extracting # 3 : cost 0 3.267 * * [simplify]: iteration done: 5001 enodes (cost 10 ) 3.267 * [simplify]: Simplified to: (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0) 3.268 * * [progress]: iteration 1 / 4 3.268 * * * [progress]: picking best candidate 3.271 * * * * [pick]: Picked # 3.271 * * * [progress]: localizing error 3.289 * * * [progress]: generating rewritten candidates 3.289 * * * * [progress]: [ 1 / 3 ] rewriting at (2) 3.408 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1) 3.438 * * * * [progress]: [ 3 / 3 ] rewriting at (2 1 2) 3.448 * * * [progress]: generating series expansions 3.448 * * * * [progress]: [ 1 / 3 ] generating series at (2) 3.449 * [backup-simplify]: Simplify (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0) into (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0) 3.449 * [approximate]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0) in (x) around 0 3.450 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0) in x 3.450 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) in x 3.450 * [taylor]: Taking taylor expansion of 2.0 in x 3.450 * [backup-simplify]: Simplify 2.0 into 2.0 3.450 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (* -2.0 x)) 1.0)) in x 3.450 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x 3.450 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x 3.450 * [taylor]: Taking taylor expansion of (* -2.0 x) in x 3.450 * [taylor]: Taking taylor expansion of -2.0 in x 3.450 * [backup-simplify]: Simplify -2.0 into -2.0 3.450 * [taylor]: Taking taylor expansion of x in x 3.450 * [backup-simplify]: Simplify 0 into 0 3.450 * [backup-simplify]: Simplify 1 into 1 3.451 * [backup-simplify]: Simplify (* -2.0 0) into 0 3.452 * [backup-simplify]: Simplify (+ (* -2.0 1) (* 0 0)) into (- 2.0) 3.452 * [backup-simplify]: Simplify (exp 0) into 1 3.452 * [taylor]: Taking taylor expansion of 1.0 in x 3.453 * [backup-simplify]: Simplify 1.0 into 1.0 3.453 * [backup-simplify]: Simplify (+ 1 1.0) into 2.0 3.453 * [backup-simplify]: Simplify (/ 1 2.0) into 0.5 3.454 * [taylor]: Taking taylor expansion of 1.0 in x 3.454 * [backup-simplify]: Simplify 1.0 into 1.0 3.454 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0) in x 3.454 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) in x 3.454 * [taylor]: Taking taylor expansion of 2.0 in x 3.454 * [backup-simplify]: Simplify 2.0 into 2.0 3.454 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (* -2.0 x)) 1.0)) in x 3.454 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x 3.454 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x 3.454 * [taylor]: Taking taylor expansion of (* -2.0 x) in x 3.454 * [taylor]: Taking taylor expansion of -2.0 in x 3.454 * [backup-simplify]: Simplify -2.0 into -2.0 3.454 * [taylor]: Taking taylor expansion of x in x 3.454 * [backup-simplify]: Simplify 0 into 0 3.454 * [backup-simplify]: Simplify 1 into 1 3.454 * [backup-simplify]: Simplify (* -2.0 0) into 0 3.455 * [backup-simplify]: Simplify (+ (* -2.0 1) (* 0 0)) into (- 2.0) 3.455 * [backup-simplify]: Simplify (exp 0) into 1 3.455 * [taylor]: Taking taylor expansion of 1.0 in x 3.455 * [backup-simplify]: Simplify 1.0 into 1.0 3.455 * [backup-simplify]: Simplify (+ 1 1.0) into 2.0 3.456 * [backup-simplify]: Simplify (/ 1 2.0) into 0.5 3.456 * [taylor]: Taking taylor expansion of 1.0 in x 3.456 * [backup-simplify]: Simplify 1.0 into 1.0 3.456 * [backup-simplify]: Simplify (* 2.0 0.5) into 1.0 3.457 * [backup-simplify]: Simplify (- 1.0) into (- 1.0) 3.457 * [backup-simplify]: Simplify (+ 1.0 (- 1.0)) into 0 3.457 * [backup-simplify]: Simplify 0 into 0 3.460 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow (- 2.0) 1) 1)))) into -2.0 3.461 * [backup-simplify]: Simplify (+ -2.0 0) into (- 2.0) 3.462 * [backup-simplify]: Simplify (- (+ (* 0.5 (/ (- 2.0) 2.0)))) into 0.5 3.463 * [backup-simplify]: Simplify (+ (* 2.0 0.5) (* 0 0.5)) into 1.0 3.463 * [backup-simplify]: Simplify (- 0) into 0 3.464 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0 3.464 * [backup-simplify]: Simplify 1.0 into 1.0 3.465 * [backup-simplify]: Simplify (+ (* -2.0 0) (+ (* 0 1) (* 0 0))) into 0 3.470 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow (- 2.0) 2) 2)) (* (/ (pow 0 1) 1)))) into 2.0 3.470 * [backup-simplify]: Simplify (+ 2.0 0) into 2.0 3.474 * [backup-simplify]: Simplify (- (+ (* 0.5 (/ 2.0 2.0)) (* 0.5 (/ (- 2.0) 2.0)))) into 0 3.475 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0.5) (* 0 0.5))) into 0 3.476 * [backup-simplify]: Simplify (- 0) into 0 3.476 * [backup-simplify]: Simplify (+ 0 0) into 0 3.476 * [backup-simplify]: Simplify 0 into 0 3.478 * [backup-simplify]: Simplify (+ (* -2.0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0 3.488 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow (- 2.0) 3) 6)) (* (/ (pow (- 2.0) 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 1) 1)))) into -1.3333333333333333 3.488 * [backup-simplify]: Simplify (+ -1.3333333333333333 0) into (- 1.3333333333333333) 3.495 * [backup-simplify]: Simplify (- (+ (* 0.5 (/ (- 1.3333333333333333) 2.0)) (* 0.5 (/ 2.0 2.0)) (* 0 (/ (- 2.0) 2.0)))) into (- 0.16666666666666669) 3.498 * [backup-simplify]: Simplify (+ (* 2.0 (- 0.16666666666666669)) (+ (* 0 0) (+ (* 0 0.5) (* 0 0.5)))) into (- 0.33333333333333337) 3.498 * [backup-simplify]: Simplify (- 0) into 0 3.499 * [backup-simplify]: Simplify (+ (- 0.33333333333333337) 0) into (- 0.33333333333333337) 3.499 * [backup-simplify]: Simplify (- 0.33333333333333337) into (- 0.33333333333333337) 3.501 * [backup-simplify]: Simplify (+ (* -2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0 3.517 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow (- 2.0) 4) 24)) (* (/ (pow (- 2.0) 2) 2) (/ (pow 0 1) 1)) (* (/ (pow (- 2.0) 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 2) 2)) (* (/ (pow 0 1) 1)))) into 0.6666666666666666 3.518 * [backup-simplify]: Simplify (+ 0.6666666666666666 0) into 0.6666666666666666 3.528 * [backup-simplify]: Simplify (- (+ (* 0.5 (/ 0.6666666666666666 2.0)) (* 0.5 (/ (- 1.3333333333333333) 2.0)) (* 0 (/ 2.0 2.0)) (* (- 0.16666666666666669) (/ (- 2.0) 2.0)))) into (- 2.7755575615628914e-17) 3.533 * [backup-simplify]: Simplify (+ (* 2.0 (- 2.7755575615628914e-17)) (+ (* 0 (- 0.16666666666666669)) (+ (* 0 0) (+ (* 0 0.5) (* 0 0.5))))) into (- 5.551115123125783e-17) 3.533 * [backup-simplify]: Simplify (- 0) into 0 3.534 * [backup-simplify]: Simplify (+ (- 5.551115123125783e-17) 0) into (- 5.551115123125783e-17) 3.534 * [backup-simplify]: Simplify (- 5.551115123125783e-17) into (- 5.551115123125783e-17)