0.056 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.152 * * * [progress]: [2/2] Setting up program. 0.156 * [progress]: [Phase 2 of 3] Improving. 0.156 * [simplify]: Simplifying: (- x (/ (log (+ (- 1.0 y) (* y (exp z)))) t)) 0.156 * * [simplify]: Extracting # 0 : cost 0 0.156 * * [simplify]: Extracting # 1 : cost 0 0.156 * * [simplify]: Extracting # 2 : cost 0 0.156 * * [simplify]: Extracting # 3 : cost 0 0.156 * * [simplify]: Extracting # 4 : cost 0 0.156 * * [simplify]: Extracting # 5 : cost 0 0.156 * * [simplify]: Extracting # 6 : cost 0 0.156 * * [simplify]: Extracting # 7 : cost 0 0.156 * * [simplify]: iteration 0 : 12 enodes (cost 13 ) 0.158 * * [simplify]: Extracting # 0 : cost 0 0.158 * * [simplify]: Extracting # 1 : cost 0 0.158 * * [simplify]: Extracting # 2 : cost 0 0.158 * * [simplify]: iteration 1 : 20 enodes (cost 13 ) 0.162 * * [simplify]: Extracting # 0 : cost 0 0.162 * * [simplify]: Extracting # 1 : cost 0 0.162 * * [simplify]: Extracting # 2 : cost 0 0.163 * * [simplify]: iteration 2 : 33 enodes (cost 13 ) 0.172 * * [simplify]: Extracting # 0 : cost 0 0.172 * * [simplify]: Extracting # 1 : cost 0 0.172 * * [simplify]: Extracting # 2 : cost 0 0.172 * * [simplify]: iteration 3 : 48 enodes (cost 13 ) 0.186 * * [simplify]: Extracting # 0 : cost 0 0.187 * * [simplify]: Extracting # 1 : cost 0 0.187 * * [simplify]: Extracting # 2 : cost 0 0.187 * * [simplify]: Extracting # 3 : cost 0 0.187 * * [simplify]: Extracting # 4 : cost 0 0.187 * * [simplify]: iteration 4 : 66 enodes (cost 13 ) 0.227 * * [simplify]: Extracting # 0 : cost 0 0.228 * * [simplify]: Extracting # 1 : cost 0 0.228 * * [simplify]: Extracting # 2 : cost 0 0.228 * * [simplify]: iteration 5 : 78 enodes (cost 13 ) 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]: iteration 6 : 100 enodes (cost 13 ) 0.278 * * [simplify]: Extracting # 0 : cost 0 0.278 * * [simplify]: Extracting # 1 : cost 0 0.278 * * [simplify]: Extracting # 2 : cost 0 0.278 * * [simplify]: iteration 7 : 126 enodes (cost 13 ) 0.315 * * [simplify]: Extracting # 0 : cost 0 0.315 * * [simplify]: Extracting # 1 : cost 0 0.315 * * [simplify]: iteration 8 : 150 enodes (cost 13 ) 0.357 * * [simplify]: Extracting # 0 : cost 0 0.358 * * [simplify]: Extracting # 1 : cost 0 0.358 * * [simplify]: Extracting # 2 : cost 0 0.358 * * [simplify]: iteration 9 : 203 enodes (cost 13 ) 0.493 * * [simplify]: Extracting # 0 : cost 0 0.494 * * [simplify]: Extracting # 1 : cost 0 0.494 * * [simplify]: Extracting # 2 : cost 0 0.495 * * [simplify]: iteration 10 : 284 enodes (cost 13 ) 0.631 * * [simplify]: Extracting # 0 : cost 0 0.632 * * [simplify]: Extracting # 1 : cost 0 0.632 * * [simplify]: iteration 11 : 290 enodes (cost 13 ) 0.725 * * [simplify]: Extracting # 0 : cost 0 0.725 * * [simplify]: iteration done: 290 enodes (cost 13 ) 0.726 * [simplify]: Simplified to: (- x (/ (log (+ (- 1.0 y) (* y (exp z)))) t)) 0.726 * * [progress]: iteration 1 / 4 0.726 * * * [progress]: picking best candidate 0.731 * * * * [pick]: Picked # 0.731 * * * [progress]: localizing error 0.757 * * * [progress]: generating rewritten candidates 0.757 * * * * [progress]: [ 1 / 4 ] rewriting at (2 2 1 1) 0.800 * * * * [progress]: [ 2 / 4 ] rewriting at (2 2 1) 0.821 * * * * [progress]: [ 3 / 4 ] rewriting at (2 2) 0.897 * * * * [progress]: [ 4 / 4 ] rewriting at (2 2 1 1 2) 0.912 * * * [progress]: generating series expansions 0.912 * * * * [progress]: [ 1 / 4 ] generating series at (2 2 1 1) 0.912 * [backup-simplify]: Simplify (+ (- 1.0 y) (* y (exp z))) into (- (+ (* y (exp z)) 1.0) y) 0.912 * [approximate]: Taking taylor expansion of (- (+ (* y (exp z)) 1.0) y) in (y z) around 0 0.912 * [taylor]: Taking taylor expansion of (- (+ (* y (exp z)) 1.0) y) in z 0.912 * [taylor]: Taking taylor expansion of (+ (* y (exp z)) 1.0) in z 0.912 * [taylor]: Taking taylor expansion of (* y (exp z)) in z 0.912 * [taylor]: Taking taylor expansion of y in z 0.912 * [backup-simplify]: Simplify y into y 0.912 * [taylor]: Taking taylor expansion of (exp z) in z 0.912 * [taylor]: Taking taylor expansion of z in z 0.912 * [backup-simplify]: Simplify 0 into 0 0.912 * [backup-simplify]: Simplify 1 into 1 0.912 * [backup-simplify]: Simplify (exp 0) into 1 0.912 * [taylor]: Taking taylor expansion of 1.0 in z 0.912 * [backup-simplify]: Simplify 1.0 into 1.0 0.912 * [taylor]: Taking taylor expansion of y in z 0.912 * [backup-simplify]: Simplify y into y 0.912 * [taylor]: Taking taylor expansion of (- (+ (* y (exp z)) 1.0) y) in y 0.912 * [taylor]: Taking taylor expansion of (+ (* y (exp z)) 1.0) in y 0.912 * [taylor]: Taking taylor expansion of (* y (exp z)) in y 0.912 * [taylor]: Taking taylor expansion of y in y 0.912 * [backup-simplify]: Simplify 0 into 0 0.912 * [backup-simplify]: Simplify 1 into 1 0.912 * [taylor]: Taking taylor expansion of (exp z) in y 0.912 * [taylor]: Taking taylor expansion of z in y 0.912 * [backup-simplify]: Simplify z into z 0.913 * [backup-simplify]: Simplify (exp z) into (exp z) 0.913 * [taylor]: Taking taylor expansion of 1.0 in y 0.913 * [backup-simplify]: Simplify 1.0 into 1.0 0.913 * [taylor]: Taking taylor expansion of y in y 0.913 * [backup-simplify]: Simplify 0 into 0 0.913 * [backup-simplify]: Simplify 1 into 1 0.913 * [taylor]: Taking taylor expansion of (- (+ (* y (exp z)) 1.0) y) in y 0.913 * [taylor]: Taking taylor expansion of (+ (* y (exp z)) 1.0) in y 0.913 * [taylor]: Taking taylor expansion of (* y (exp z)) in y 0.913 * [taylor]: Taking taylor expansion of y in y 0.913 * [backup-simplify]: Simplify 0 into 0 0.913 * [backup-simplify]: Simplify 1 into 1 0.913 * [taylor]: Taking taylor expansion of (exp z) in y 0.913 * [taylor]: Taking taylor expansion of z in y 0.913 * [backup-simplify]: Simplify z into z 0.913 * [backup-simplify]: Simplify (exp z) into (exp z) 0.913 * [taylor]: Taking taylor expansion of 1.0 in y 0.913 * [backup-simplify]: Simplify 1.0 into 1.0 0.913 * [taylor]: Taking taylor expansion of y in y 0.913 * [backup-simplify]: Simplify 0 into 0 0.913 * [backup-simplify]: Simplify 1 into 1 0.913 * [backup-simplify]: Simplify (* 0 (exp z)) into 0 0.914 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0 0.914 * [backup-simplify]: Simplify (- 0) into 0 0.914 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0 0.914 * [taylor]: Taking taylor expansion of 1.0 in z 0.914 * [backup-simplify]: Simplify 1.0 into 1.0 0.914 * [backup-simplify]: Simplify 1.0 into 1.0 0.915 * [backup-simplify]: Simplify (* (exp z) (+ (* (/ (pow 0 1) 1)))) into 0 0.915 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (exp z))) into (exp z) 0.915 * [backup-simplify]: Simplify (+ (exp z) 0) into (exp z) 0.918 * [backup-simplify]: Simplify (- 1) into -1 0.918 * [backup-simplify]: Simplify (+ (exp z) -1) into (- (exp z) 1) 0.918 * [taylor]: Taking taylor expansion of (- (exp z) 1) in z 0.918 * [taylor]: Taking taylor expansion of (exp z) in z 0.918 * [taylor]: Taking taylor expansion of z in z 0.918 * [backup-simplify]: Simplify 0 into 0 0.918 * [backup-simplify]: Simplify 1 into 1 0.918 * [backup-simplify]: Simplify (exp 0) into 1 0.918 * [taylor]: Taking taylor expansion of 1 in z 0.918 * [backup-simplify]: Simplify 1 into 1 0.918 * [backup-simplify]: Simplify (- 1) into -1 0.919 * [backup-simplify]: Simplify (+ 1 -1) into 0 0.919 * [backup-simplify]: Simplify 0 into 0 0.919 * [backup-simplify]: Simplify 0 into 0 0.919 * [backup-simplify]: Simplify (* (exp z) (+ (* (/ (pow 0 2) 2)) (* (/ (pow 0 1) 1)))) into 0 0.920 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (exp z)))) into 0 0.920 * [backup-simplify]: Simplify (+ 0 0) into 0 0.921 * [backup-simplify]: Simplify (- 0) into 0 0.921 * [backup-simplify]: Simplify (+ 0 0) into 0 0.921 * [taylor]: Taking taylor expansion of 0 in z 0.921 * [backup-simplify]: Simplify 0 into 0 0.921 * [backup-simplify]: Simplify 0 into 0 0.921 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 1) 1)))) into 1 0.922 * [backup-simplify]: Simplify (- 0) into 0 0.922 * [backup-simplify]: Simplify (+ 1 0) into 1 0.922 * [backup-simplify]: Simplify 1 into 1 0.922 * [backup-simplify]: Simplify 0 into 0 0.923 * [backup-simplify]: Simplify (* (exp z) (+ (* (/ (pow 0 3) 6)) (* (/ (pow 0 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 1) 1)))) into 0 0.924 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (exp z))))) into 0 0.924 * [backup-simplify]: Simplify (+ 0 0) into 0 0.924 * [backup-simplify]: Simplify (- 0) into 0 0.925 * [backup-simplify]: Simplify (+ 0 0) into 0 0.925 * [taylor]: Taking taylor expansion of 0 in z 0.925 * [backup-simplify]: Simplify 0 into 0 0.925 * [backup-simplify]: Simplify 0 into 0 0.925 * [backup-simplify]: Simplify 0 into 0 0.926 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 2) 2)) (* (/ (pow 0 1) 1)))) into 1/2 0.926 * [backup-simplify]: Simplify (- 0) into 0 0.926 * [backup-simplify]: Simplify (+ 1/2 0) into 1/2 0.926 * [backup-simplify]: Simplify 1/2 into 1/2