2.532 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.021 * * * [progress]: [2/2] Setting up program. 0.024 * [progress]: [Phase 2 of 3] Improving. 0.025 * [simplify]: Simplifying: (/ (/ (* (* i i) (* i i)) (* (* 2.0 i) (* 2.0 i))) (- (* (* 2.0 i) (* 2.0 i)) 1.0)) 0.025 * * [simplify]: Extracting # 0 : cost 0 0.025 * * [simplify]: Extracting # 1 : cost 0 0.025 * * [simplify]: Extracting # 2 : cost 0 0.025 * * [simplify]: Extracting # 3 : cost 0 0.025 * * [simplify]: Extracting # 4 : cost 0 0.025 * * [simplify]: Extracting # 5 : cost 0 0.025 * * [simplify]: Extracting # 6 : cost 0 0.025 * * [simplify]: iteration 0 : 10 enodes (cost 25 ) 0.030 * * [simplify]: Extracting # 0 : cost 0 0.030 * * [simplify]: Extracting # 1 : cost 0 0.030 * * [simplify]: Extracting # 2 : cost 0 0.030 * * [simplify]: iteration 1 : 31 enodes (cost 25 ) 0.046 * * [simplify]: Extracting # 0 : cost 0 0.046 * * [simplify]: Extracting # 1 : cost 0 0.046 * * [simplify]: Extracting # 2 : cost 0 0.046 * * [simplify]: Extracting # 3 : cost 0 0.047 * * [simplify]: Extracting # 4 : cost 0 0.047 * * [simplify]: iteration 2 : 164 enodes (cost 23 ) 0.195 * * [simplify]: Extracting # 0 : cost 0 0.197 * * [simplify]: Extracting # 1 : cost 0 0.198 * * [simplify]: Extracting # 2 : cost 0 0.199 * * [simplify]: Extracting # 3 : cost 0 0.199 * * [simplify]: Extracting # 4 : cost 0 0.204 * * [simplify]: iteration 3 : 890 enodes (cost 19 ) 3.877 * * [simplify]: Extracting # 0 : cost 0 3.887 * * [simplify]: Extracting # 1 : cost 0 3.892 * * [simplify]: Extracting # 2 : cost 0 3.896 * * [simplify]: Extracting # 3 : cost 0 3.901 * * [simplify]: Extracting # 4 : cost 0 3.905 * * [simplify]: iteration 4 : 3359 enodes (cost 15 ) 6.757 * * [simplify]: Extracting # 0 : cost 0 6.764 * * [simplify]: Extracting # 1 : cost 0 6.770 * * [simplify]: Extracting # 2 : cost 0 6.775 * * [simplify]: Extracting # 3 : cost 0 6.780 * * [simplify]: Extracting # 4 : cost 0 6.790 * * [simplify]: iteration done: 5000 enodes (cost 15 ) 6.790 * [simplify]: Simplified to: (/ (/ i (* 2.0 2.0)) (- (* 2.0 (* 2.0 i)) (/ 1.0 i))) 6.797 * * [progress]: iteration 1 / 4 6.797 * * * [progress]: picking best candidate 6.803 * * * * [pick]: Picked # 6.803 * * * [progress]: localizing error 6.822 * * * [progress]: generating rewritten candidates 6.822 * * * * [progress]: [ 1 / 2 ] rewriting at (2) 6.917 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2) 6.942 * * * [progress]: generating series expansions 6.942 * * * * [progress]: [ 1 / 2 ] generating series at (2) 6.942 * [backup-simplify]: Simplify (/ (/ i (* 2.0 2.0)) (- (* 2.0 (* 2.0 i)) (/ 1.0 i))) into (* 0.25 (/ i (- (* 4.0 i) (* 1.0 (/ 1 i))))) 6.942 * [approximate]: Taking taylor expansion of (* 0.25 (/ i (- (* 4.0 i) (* 1.0 (/ 1 i))))) in (i) around 0 6.943 * [taylor]: Taking taylor expansion of (* 0.25 (/ i (- (* 4.0 i) (* 1.0 (/ 1 i))))) in i 6.943 * [taylor]: Taking taylor expansion of 0.25 in i 6.943 * [backup-simplify]: Simplify 0.25 into 0.25 6.943 * [taylor]: Taking taylor expansion of (/ i (- (* 4.0 i) (* 1.0 (/ 1 i)))) in i 6.943 * [taylor]: Taking taylor expansion of i in i 6.943 * [backup-simplify]: Simplify 0 into 0 6.943 * [backup-simplify]: Simplify 1 into 1 6.943 * [taylor]: Taking taylor expansion of (- (* 4.0 i) (* 1.0 (/ 1 i))) in i 6.943 * [taylor]: Taking taylor expansion of (* 4.0 i) in i 6.943 * [taylor]: Taking taylor expansion of 4.0 in i 6.943 * [backup-simplify]: Simplify 4.0 into 4.0 6.943 * [taylor]: Taking taylor expansion of i in i 6.943 * [backup-simplify]: Simplify 0 into 0 6.943 * [backup-simplify]: Simplify 1 into 1 6.943 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 i)) in i 6.943 * [taylor]: Taking taylor expansion of 1.0 in i 6.943 * [backup-simplify]: Simplify 1.0 into 1.0 6.943 * [taylor]: Taking taylor expansion of (/ 1 i) in i 6.943 * [taylor]: Taking taylor expansion of i in i 6.943 * [backup-simplify]: Simplify 0 into 0 6.943 * [backup-simplify]: Simplify 1 into 1 6.943 * [backup-simplify]: Simplify (/ 1 1) into 1 6.943 * [backup-simplify]: Simplify (* 1.0 1) into 1.0 6.944 * [backup-simplify]: Simplify (- 1.0) into (- 1.0) 6.944 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0) 6.945 * [backup-simplify]: Simplify (/ 1 (- 1.0)) into -1.0 6.945 * [taylor]: Taking taylor expansion of (* 0.25 (/ i (- (* 4.0 i) (* 1.0 (/ 1 i))))) in i 6.945 * [taylor]: Taking taylor expansion of 0.25 in i 6.945 * [backup-simplify]: Simplify 0.25 into 0.25 6.945 * [taylor]: Taking taylor expansion of (/ i (- (* 4.0 i) (* 1.0 (/ 1 i)))) in i 6.945 * [taylor]: Taking taylor expansion of i in i 6.945 * [backup-simplify]: Simplify 0 into 0 6.945 * [backup-simplify]: Simplify 1 into 1 6.945 * [taylor]: Taking taylor expansion of (- (* 4.0 i) (* 1.0 (/ 1 i))) in i 6.945 * [taylor]: Taking taylor expansion of (* 4.0 i) in i 6.945 * [taylor]: Taking taylor expansion of 4.0 in i 6.945 * [backup-simplify]: Simplify 4.0 into 4.0 6.945 * [taylor]: Taking taylor expansion of i in i 6.945 * [backup-simplify]: Simplify 0 into 0 6.945 * [backup-simplify]: Simplify 1 into 1 6.945 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 i)) in i 6.945 * [taylor]: Taking taylor expansion of 1.0 in i 6.945 * [backup-simplify]: Simplify 1.0 into 1.0 6.945 * [taylor]: Taking taylor expansion of (/ 1 i) in i 6.945 * [taylor]: Taking taylor expansion of i in i 6.945 * [backup-simplify]: Simplify 0 into 0 6.945 * [backup-simplify]: Simplify 1 into 1 6.945 * [backup-simplify]: Simplify (/ 1 1) into 1 6.946 * [backup-simplify]: Simplify (* 1.0 1) into 1.0 6.946 * [backup-simplify]: Simplify (- 1.0) into (- 1.0) 6.947 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0) 6.947 * [backup-simplify]: Simplify (/ 1 (- 1.0)) into -1.0 6.948 * [backup-simplify]: Simplify (* 0.25 -1.0) into -0.25 6.948 * [backup-simplify]: Simplify -0.25 into -0.25 6.948 * [backup-simplify]: Simplify (* 4.0 0) into 0 6.948 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 6.949 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0 6.949 * [backup-simplify]: Simplify (- 0) into 0 6.950 * [backup-simplify]: Simplify (+ 0 0) into 0 6.950 * [backup-simplify]: Simplify (- (/ 0 (- 1.0)) (+ (* -1.0 (/ 0 (- 1.0))))) into 0 6.951 * [backup-simplify]: Simplify (+ (* 0.25 0) (* 0 -1.0)) into 0 6.951 * [backup-simplify]: Simplify 0 into 0 6.952 * [backup-simplify]: Simplify (+ (* 4.0 1) (* 0 0)) into 4.0 6.953 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 6.953 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0 6.954 * [backup-simplify]: Simplify (- 0) into 0 6.954 * [backup-simplify]: Simplify (+ 4.0 0) into 4.0 6.957 * [backup-simplify]: Simplify (- (/ 0 (- 1.0)) (+ (* -1.0 (/ 4.0 (- 1.0))) (* 0 (/ 0 (- 1.0))))) into (- 4.0) 6.958 * [backup-simplify]: Simplify (+ (* 0.25 (- 4.0)) (+ (* 0 0) (* 0 -1.0))) into (- 1.0) 6.959 * [backup-simplify]: Simplify (- 1.0) into (- 1.0) 6.959 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 1) (* 0 0))) into 0 6.960 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 6.960 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 6.961 * [backup-simplify]: Simplify (- 0) into 0 6.961 * [backup-simplify]: Simplify (+ 0 0) into 0 6.962 * [backup-simplify]: Simplify (- (/ 0 (- 1.0)) (+ (* -1.0 (/ 0 (- 1.0))) (* 0 (/ 4.0 (- 1.0))) (* (- 4.0) (/ 0 (- 1.0))))) into 0 6.963 * [backup-simplify]: Simplify (+ (* 0.25 0) (+ (* 0 (- 4.0)) (+ (* 0 0) (* 0 -1.0)))) into 0 6.963 * [backup-simplify]: Simplify 0 into 0 6.964 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0 6.964 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 6.965 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 6.965 * [backup-simplify]: Simplify (- 0) into 0 6.965 * [backup-simplify]: Simplify (+ 0 0) into 0 6.970 * [backup-simplify]: Simplify (- (/ 0 (- 1.0)) (+ (* -1.0 (/ 0 (- 1.0))) (* 0 (/ 0 (- 1.0))) (* (- 4.0) (/ 4.0 (- 1.0))) (* 0 (/ 0 (- 1.0))))) into (- 16.0) 6.972 * [backup-simplify]: Simplify (+ (* 0.25 (- 16.0)) (+ (* 0 0) (+ (* 0 (- 4.0)) (+ (* 0 0) (* 0 -1.0))))) into (- 4.0) 6.973 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)