15.326 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.085 * * * [progress]: [2/2] Setting up program. 0.088 * [progress]: [Phase 2 of 3] Improving. 0.088 * [simplify]: Simplifying: (+ (* x 0.5) (* y (+ (- 1.0 z) (log z)))) 0.088 * * [simplify]: Extracting # 0 : cost 0 0.088 * * [simplify]: Extracting # 1 : cost 0 0.088 * * [simplify]: Extracting # 2 : cost 0 0.088 * * [simplify]: Extracting # 3 : cost 0 0.088 * * [simplify]: Extracting # 4 : cost 0 0.088 * * [simplify]: Extracting # 5 : cost 0 0.088 * * [simplify]: iteration 0 : 11 enodes (cost 12 ) 0.090 * * [simplify]: Extracting # 0 : cost 0 0.090 * * [simplify]: Extracting # 1 : cost 0 0.090 * * [simplify]: Extracting # 2 : cost 0 0.090 * * [simplify]: iteration 1 : 26 enodes (cost 11 ) 0.095 * * [simplify]: Extracting # 0 : cost 0 0.095 * * [simplify]: Extracting # 1 : cost 0 0.095 * * [simplify]: Extracting # 2 : cost 0 0.095 * * [simplify]: iteration 2 : 57 enodes (cost 11 ) 0.106 * * [simplify]: Extracting # 0 : cost 0 0.106 * * [simplify]: Extracting # 1 : cost 0 0.106 * * [simplify]: Extracting # 2 : cost 0 0.106 * * [simplify]: iteration 3 : 118 enodes (cost 11 ) 0.161 * * [simplify]: Extracting # 0 : cost 0 0.162 * * [simplify]: Extracting # 1 : cost 0 0.162 * * [simplify]: Extracting # 2 : cost 0 0.162 * * [simplify]: iteration 4 : 204 enodes (cost 11 ) 0.263 * * [simplify]: Extracting # 0 : cost 0 0.264 * * [simplify]: Extracting # 1 : cost 0 0.264 * * [simplify]: Extracting # 2 : cost 0 0.265 * * [simplify]: iteration 5 : 301 enodes (cost 11 ) 0.396 * * [simplify]: Extracting # 0 : cost 0 0.397 * * [simplify]: Extracting # 1 : cost 0 0.398 * * [simplify]: Extracting # 2 : cost 0 0.398 * * [simplify]: iteration 6 : 380 enodes (cost 11 ) 0.548 * * [simplify]: Extracting # 0 : cost 0 0.549 * * [simplify]: Extracting # 1 : cost 0 0.550 * * [simplify]: Extracting # 2 : cost 0 0.551 * * [simplify]: Extracting # 3 : cost 0 0.551 * * [simplify]: Extracting # 4 : cost 0 0.552 * * [simplify]: iteration 7 : 531 enodes (cost 11 ) 1.173 * * [simplify]: Extracting # 0 : cost 0 1.175 * * [simplify]: Extracting # 1 : cost 0 1.176 * * [simplify]: Extracting # 2 : cost 0 1.177 * * [simplify]: Extracting # 3 : cost 0 1.178 * * [simplify]: iteration 8 : 800 enodes (cost 11 ) 1.650 * * [simplify]: Extracting # 0 : cost 0 1.652 * * [simplify]: Extracting # 1 : cost 0 1.653 * * [simplify]: Extracting # 2 : cost 0 1.654 * * [simplify]: iteration 9 : 1034 enodes (cost 11 ) 2.757 * * [simplify]: Extracting # 0 : cost 0 2.759 * * [simplify]: Extracting # 1 : cost 0 2.761 * * [simplify]: iteration 10 : 1180 enodes (cost 11 ) 3.432 * * [simplify]: Extracting # 0 : cost 0 3.434 * * [simplify]: iteration 11 : 1186 enodes (cost 11 ) 4.172 * * [simplify]: Extracting # 0 : cost 0 4.172 * * [simplify]: iteration done: 1186 enodes (cost 11 ) 4.172 * [simplify]: Simplified to: (fma x 0.5 (* y (+ (- 1.0 z) (log z)))) 4.176 * * [progress]: iteration 1 / 4 4.176 * * * [progress]: picking best candidate 4.178 * * * * [pick]: Picked # 4.178 * * * [progress]: localizing error 4.190 * * * [progress]: generating rewritten candidates 4.190 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2) 4.281 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2 2) 4.321 * * * [progress]: generating series expansions 4.321 * * * * [progress]: [ 1 / 2 ] generating series at (2 2) 4.321 * [backup-simplify]: Simplify (* y (+ (- 1.0 z) (log z))) into (* (- (+ (log z) 1.0) z) y) 4.321 * [approximate]: Taking taylor expansion of (* (- (+ (log z) 1.0) z) y) in (y z) around 0 4.321 * [taylor]: Taking taylor expansion of (* (- (+ (log z) 1.0) z) y) in z 4.321 * [taylor]: Taking taylor expansion of (- (+ (log z) 1.0) z) in z 4.321 * [taylor]: Taking taylor expansion of (+ (log z) 1.0) in z 4.321 * [taylor]: Taking taylor expansion of (log z) in z 4.321 * [taylor]: Taking taylor expansion of z in z 4.321 * [backup-simplify]: Simplify 0 into 0 4.321 * [backup-simplify]: Simplify 1 into 1 4.322 * [backup-simplify]: Simplify (log 1) into 0 4.322 * [taylor]: Taking taylor expansion of 1.0 in z 4.322 * [backup-simplify]: Simplify 1.0 into 1.0 4.322 * [taylor]: Taking taylor expansion of z in z 4.322 * [backup-simplify]: Simplify 0 into 0 4.322 * [backup-simplify]: Simplify 1 into 1 4.322 * [taylor]: Taking taylor expansion of y in z 4.322 * [backup-simplify]: Simplify y into y 4.322 * [taylor]: Taking taylor expansion of (* (- (+ (log z) 1.0) z) y) in y 4.322 * [taylor]: Taking taylor expansion of (- (+ (log z) 1.0) z) in y 4.322 * [taylor]: Taking taylor expansion of (+ (log z) 1.0) in y 4.322 * [taylor]: Taking taylor expansion of (log z) in y 4.322 * [taylor]: Taking taylor expansion of z in y 4.322 * [backup-simplify]: Simplify z into z 4.322 * [backup-simplify]: Simplify (log z) into (log z) 4.322 * [taylor]: Taking taylor expansion of 1.0 in y 4.322 * [backup-simplify]: Simplify 1.0 into 1.0 4.322 * [taylor]: Taking taylor expansion of z in y 4.322 * [backup-simplify]: Simplify z into z 4.322 * [taylor]: Taking taylor expansion of y in y 4.322 * [backup-simplify]: Simplify 0 into 0 4.322 * [backup-simplify]: Simplify 1 into 1 4.322 * [taylor]: Taking taylor expansion of (* (- (+ (log z) 1.0) z) y) in y 4.322 * [taylor]: Taking taylor expansion of (- (+ (log z) 1.0) z) in y 4.322 * [taylor]: Taking taylor expansion of (+ (log z) 1.0) in y 4.322 * [taylor]: Taking taylor expansion of (log z) in y 4.322 * [taylor]: Taking taylor expansion of z in y 4.322 * [backup-simplify]: Simplify z into z 4.322 * [backup-simplify]: Simplify (log z) into (log z) 4.322 * [taylor]: Taking taylor expansion of 1.0 in y 4.322 * [backup-simplify]: Simplify 1.0 into 1.0 4.323 * [taylor]: Taking taylor expansion of z in y 4.323 * [backup-simplify]: Simplify z into z 4.323 * [taylor]: Taking taylor expansion of y in y 4.323 * [backup-simplify]: Simplify 0 into 0 4.323 * [backup-simplify]: Simplify 1 into 1 4.323 * [backup-simplify]: Simplify (+ (log z) 1.0) into (+ (log z) 1.0) 4.323 * [backup-simplify]: Simplify (- z) into (- z) 4.323 * [backup-simplify]: Simplify (+ (+ (log z) 1.0) (- z)) into (- (+ (log z) 1.0) z) 4.323 * [backup-simplify]: Simplify (* (- (+ (log z) 1.0) z) 0) into 0 4.323 * [taylor]: Taking taylor expansion of 0 in z 4.323 * [backup-simplify]: Simplify 0 into 0 4.323 * [backup-simplify]: Simplify 0 into 0 4.324 * [backup-simplify]: Simplify (/ (+ (* 1 (/ (* (pow (* 1 0) 1)) (pow z 1)))) 1) into 0 4.324 * [backup-simplify]: Simplify (+ 0 0) into 0 4.325 * [backup-simplify]: Simplify (- 0) into 0 4.325 * [backup-simplify]: Simplify (+ 0 0) into 0 4.325 * [backup-simplify]: Simplify (+ (* (- (+ (log z) 1.0) z) 1) (* 0 0)) into (- (+ (log z) 1.0) z) 4.325 * [taylor]: Taking taylor expansion of (- (+ (log z) 1.0) z) in z 4.325 * [taylor]: Taking taylor expansion of (+ (log z) 1.0) in z 4.325 * [taylor]: Taking taylor expansion of (log z) in z 4.325 * [taylor]: Taking taylor expansion of z in z 4.325 * [backup-simplify]: Simplify 0 into 0 4.325 * [backup-simplify]: Simplify 1 into 1 4.325 * [backup-simplify]: Simplify (log 1) into 0 4.325 * [taylor]: Taking taylor expansion of 1.0 in z 4.326 * [backup-simplify]: Simplify 1.0 into 1.0 4.326 * [taylor]: Taking taylor expansion of z in z 4.326 * [backup-simplify]: Simplify 0 into 0 4.326 * [backup-simplify]: Simplify 1 into 1 4.326 * [backup-simplify]: Simplify (+ (* (- -1) (log z)) 0) into (log z) 4.326 * [backup-simplify]: Simplify (+ (log z) 1.0) into (+ (log z) 1.0) 4.326 * [backup-simplify]: Simplify (- 0) into 0 4.326 * [backup-simplify]: Simplify (+ (+ (log z) 1.0) 0) into (+ (log z) 1.0) 4.326 * [backup-simplify]: Simplify (+ (log z) 1.0) into (+ (log z) 1.0) 4.326 * [backup-simplify]: Simplify 0 into 0