0.239 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.167 * * * [progress]: [2/2] Setting up program. 0.169 * [progress]: [Phase 2 of 3] Improving. 0.170 * [simplify]: Simplifying: (- (cos (+ x eps)) (cos x)) 0.170 * * [simplify]: Extracting # 0 : cost 0 0.170 * * [simplify]: Extracting # 1 : cost 0 0.170 * * [simplify]: Extracting # 2 : cost 0 0.170 * * [simplify]: Extracting # 3 : cost 0 0.170 * * [simplify]: Extracting # 4 : cost 0 0.170 * * [simplify]: Extracting # 5 : cost 0 0.170 * * [simplify]: iteration 0 : 6 enodes (cost 7 ) 0.171 * * [simplify]: Extracting # 0 : cost 0 0.171 * * [simplify]: Extracting # 1 : cost 0 0.171 * * [simplify]: Extracting # 2 : cost 0 0.171 * * [simplify]: iteration 1 : 9 enodes (cost 7 ) 0.172 * * [simplify]: Extracting # 0 : cost 0 0.172 * * [simplify]: iteration 2 : 10 enodes (cost 7 ) 0.173 * * [simplify]: Extracting # 0 : cost 0 0.173 * * [simplify]: iteration done: 10 enodes (cost 7 ) 0.173 * [simplify]: Simplified to: (- (cos (+ x eps)) (cos x)) 0.174 * * [progress]: iteration 1 / 4 0.174 * * * [progress]: picking best candidate 0.176 * * * * [pick]: Picked # 0.176 * * * [progress]: localizing error 0.186 * * * [progress]: generating rewritten candidates 0.186 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1) 0.200 * * * * [progress]: [ 2 / 2 ] rewriting at (2) 0.249 * * * [progress]: generating series expansions 0.249 * * * * [progress]: [ 1 / 2 ] generating series at (2 1) 0.249 * [backup-simplify]: Simplify (cos (+ x eps)) into (cos (+ x eps)) 0.249 * [approximate]: Taking taylor expansion of (cos (+ x eps)) in (x eps) around 0 0.249 * [taylor]: Taking taylor expansion of (cos (+ x eps)) in eps 0.249 * [taylor]: Taking taylor expansion of (+ x eps) in eps 0.249 * [taylor]: Taking taylor expansion of x in eps 0.249 * [backup-simplify]: Simplify x into x 0.249 * [taylor]: Taking taylor expansion of eps in eps 0.249 * [backup-simplify]: Simplify 0 into 0 0.249 * [backup-simplify]: Simplify 1 into 1 0.250 * [backup-simplify]: Simplify (+ x 0) into x 0.250 * [backup-simplify]: Simplify (cos x) into (cos x) 0.250 * [backup-simplify]: Simplify (sin x) into (sin x) 0.250 * [taylor]: Taking taylor expansion of (cos (+ x eps)) in x 0.250 * [taylor]: Taking taylor expansion of (+ x eps) in x 0.250 * [taylor]: Taking taylor expansion of x in x 0.250 * [backup-simplify]: Simplify 0 into 0 0.250 * [backup-simplify]: Simplify 1 into 1 0.250 * [taylor]: Taking taylor expansion of eps in x 0.250 * [backup-simplify]: Simplify eps into eps 0.250 * [backup-simplify]: Simplify (+ 0 eps) into eps 0.250 * [backup-simplify]: Simplify (cos eps) into (cos eps) 0.250 * [backup-simplify]: Simplify (sin eps) into (sin eps) 0.250 * [taylor]: Taking taylor expansion of (cos (+ x eps)) in x 0.250 * [taylor]: Taking taylor expansion of (+ x eps) in x 0.250 * [taylor]: Taking taylor expansion of x in x 0.250 * [backup-simplify]: Simplify 0 into 0 0.250 * [backup-simplify]: Simplify 1 into 1 0.250 * [taylor]: Taking taylor expansion of eps in x 0.250 * [backup-simplify]: Simplify eps into eps 0.250 * [backup-simplify]: Simplify (+ 0 eps) into eps 0.250 * [backup-simplify]: Simplify (cos eps) into (cos eps) 0.250 * [backup-simplify]: Simplify (sin eps) into (sin eps) 0.250 * [backup-simplify]: Simplify (* (cos eps) 1) into (cos eps) 0.251 * [backup-simplify]: Simplify (* (sin eps) 0) into 0 0.251 * [backup-simplify]: Simplify (- 0) into 0 0.251 * [backup-simplify]: Simplify (+ (cos eps) 0) into (cos eps) 0.251 * [taylor]: Taking taylor expansion of (cos eps) in eps 0.251 * [taylor]: Taking taylor expansion of eps in eps 0.251 * [backup-simplify]: Simplify 0 into 0 0.251 * [backup-simplify]: Simplify 1 into 1 0.251 * [backup-simplify]: Simplify 1 into 1 0.252 * [backup-simplify]: Simplify (+ 0) into 0 0.252 * [backup-simplify]: Simplify (+ (* (cos eps) 0) (* 0 1)) into 0 0.253 * [backup-simplify]: Simplify (+ 1 0) into 1 0.253 * [backup-simplify]: Simplify (+ (* 1 (/ (pow 1 1) 1))) into 1 0.254 * [backup-simplify]: Simplify (+ (* (sin eps) 1) (* 0 0)) into (sin eps) 0.254 * [backup-simplify]: Simplify (- (sin eps)) into (- (sin eps)) 0.254 * [backup-simplify]: Simplify (+ 0 (- (sin eps))) into (- (sin eps)) 0.254 * [taylor]: Taking taylor expansion of (- (sin eps)) in eps 0.254 * [taylor]: Taking taylor expansion of (sin eps) in eps 0.254 * [taylor]: Taking taylor expansion of eps in eps 0.254 * [backup-simplify]: Simplify 0 into 0 0.254 * [backup-simplify]: Simplify 1 into 1 0.254 * [backup-simplify]: Simplify (- 0) into 0 0.254 * [backup-simplify]: Simplify 0 into 0 0.255 * [backup-simplify]: Simplify (+ 0) into 0 0.255 * [backup-simplify]: Simplify 0 into 0 0.255 * [backup-simplify]: Simplify (+ (* -1 (/ (pow 1 2) 2)) 0) into -1/2 0.256 * [backup-simplify]: Simplify (+ (* (cos eps) -1/2) (+ (* 0 0) (* 0 1))) into (- (* 1/2 (cos eps))) 0.256 * [backup-simplify]: Simplify (+ 0 0) into 0 0.256 * [backup-simplify]: Simplify (+ 0 (* 1 (/ (pow 0 1) 1))) into 0 0.257 * [backup-simplify]: Simplify (+ (* (sin eps) 0) (+ (* 0 1) (* 0 0))) into 0 0.257 * [backup-simplify]: Simplify (- 0) into 0 0.257 * [backup-simplify]: Simplify (+ (- (* 1/2 (cos eps))) 0) into (- (* 1/2 (cos eps))) 0.257 * [taylor]: Taking taylor expansion of (- (* 1/2 (cos eps))) in eps 0.257 * [taylor]: Taking taylor expansion of (* 1/2 (cos eps)) in eps 0.257 * [taylor]: Taking taylor expansion of 1/2 in eps 0.257 * [backup-simplify]: Simplify 1/2 into 1/2 0.257 * [taylor]: Taking taylor expansion of (cos eps) in eps 0.257 * [taylor]: Taking taylor expansion of eps in eps 0.257 * [backup-simplify]: Simplify 0 into 0 0.257 * [backup-simplify]: Simplify 1 into 1 0.258 * [backup-simplify]: Simplify (* 1/2 1) into 1/2 0.258 * [backup-simplify]: Simplify (- 1/2) into -1/2 0.258 * [backup-simplify]: Simplify -1/2 into -1/2 0.258 * [backup-simplify]: Simplify (+ (* 1 (/ (pow 1 1) 1))) into 1 0.259 * [backup-simplify]: Simplify (- 1) into -1 0.259 * [backup-simplify]: Simplify -1 into -1