0.463 * [progress]: [Phase 1 of 3] Setting up. 0.002 * * * [progress]: [1/2] Preparing points 0.646 * * * [progress]: [2/2] Setting up program. 0.656 * [progress]: [Phase 2 of 3] Improving. 0.656 * [simplify]: Simplifying: (atan2 (* (sin (- lambda1 lambda2)) (cos phi2)) (- (* (cos phi1) (sin phi2)) (* (* (sin phi1) (cos phi2)) (cos (- lambda1 lambda2))))) 0.657 * * [simplify]: Extracting # 0 : cost 0 0.657 * * [simplify]: Extracting # 1 : cost 0 0.657 * * [simplify]: Extracting # 2 : cost 0 0.657 * * [simplify]: Extracting # 3 : cost 0 0.657 * * [simplify]: Extracting # 4 : cost 0 0.657 * * [simplify]: Extracting # 5 : cost 0 0.657 * * [simplify]: Extracting # 6 : cost 0 0.657 * * [simplify]: Extracting # 7 : cost 0 0.657 * * [simplify]: Extracting # 8 : cost 0 0.657 * * [simplify]: iteration 0 : 17 enodes (cost 24 ) 0.662 * * [simplify]: Extracting # 0 : cost 0 0.662 * * [simplify]: Extracting # 1 : cost 0 0.663 * * [simplify]: Extracting # 2 : cost 0 0.663 * * [simplify]: iteration 1 : 28 enodes (cost 24 ) 0.673 * * [simplify]: Extracting # 0 : cost 0 0.673 * * [simplify]: Extracting # 1 : cost 0 0.673 * * [simplify]: Extracting # 2 : cost 0 0.673 * * [simplify]: iteration 2 : 47 enodes (cost 24 ) 1.203 * * [simplify]: Extracting # 0 : cost 0 1.203 * * [simplify]: Extracting # 1 : cost 0 1.203 * * [simplify]: Extracting # 2 : cost 0 1.203 * * [simplify]: iteration 3 : 78 enodes (cost 24 ) 1.235 * * [simplify]: Extracting # 0 : cost 0 1.235 * * [simplify]: iteration 4 : 88 enodes (cost 24 ) 1.268 * * [simplify]: Extracting # 0 : cost 0 1.268 * * [simplify]: iteration done: 88 enodes (cost 24 ) 1.268 * [simplify]: Simplified to: (atan2 (* (sin (- lambda1 lambda2)) (cos phi2)) (- (* (cos phi1) (sin phi2)) (* (* (sin phi1) (cos phi2)) (cos (- lambda1 lambda2))))) 1.269 * * [progress]: iteration 1 / 4 1.269 * * * [progress]: picking best candidate 1.277 * * * * [pick]: Picked # 1.277 * * * [progress]: localizing error 1.321 * * * [progress]: generating rewritten candidates 1.321 * * * * [progress]: [ 1 / 4 ] rewriting at (2 2 2 2) 1.335 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1 1) 1.349 * * * * [progress]: [ 3 / 4 ] rewriting at (2 2 2) 1.399 * * * * [progress]: [ 4 / 4 ] rewriting at (2 2 1) 1.415 * * * [progress]: generating series expansions 1.415 * * * * [progress]: [ 1 / 4 ] generating series at (2 2 2 2) 1.415 * [backup-simplify]: Simplify (cos (- lambda1 lambda2)) into (cos (- lambda1 lambda2)) 1.415 * [approximate]: Taking taylor expansion of (cos (- lambda1 lambda2)) in (lambda1 lambda2) around 0 1.415 * [taylor]: Taking taylor expansion of (cos (- lambda1 lambda2)) in lambda2 1.415 * [taylor]: Taking taylor expansion of (- lambda1 lambda2) in lambda2 1.415 * [taylor]: Taking taylor expansion of lambda1 in lambda2 1.415 * [backup-simplify]: Simplify lambda1 into lambda1 1.415 * [taylor]: Taking taylor expansion of lambda2 in lambda2 1.416 * [backup-simplify]: Simplify 0 into 0 1.416 * [backup-simplify]: Simplify 1 into 1 1.416 * [backup-simplify]: Simplify (- 0) into 0 1.416 * [backup-simplify]: Simplify (+ lambda1 0) into lambda1 1.416 * [backup-simplify]: Simplify (cos lambda1) into (cos lambda1) 1.416 * [backup-simplify]: Simplify (sin lambda1) into (sin lambda1) 1.416 * [taylor]: Taking taylor expansion of (cos (- lambda1 lambda2)) in lambda1 1.416 * [taylor]: Taking taylor expansion of (- lambda1 lambda2) in lambda1 1.416 * [taylor]: Taking taylor expansion of lambda1 in lambda1 1.416 * [backup-simplify]: Simplify 0 into 0 1.416 * [backup-simplify]: Simplify 1 into 1 1.416 * [taylor]: Taking taylor expansion of lambda2 in lambda1 1.416 * [backup-simplify]: Simplify lambda2 into lambda2 1.416 * [backup-simplify]: Simplify (- lambda2) into (- lambda2) 1.417 * [backup-simplify]: Simplify (+ 0 (- lambda2)) into (- lambda2) 1.417 * [backup-simplify]: Simplify (cos (- lambda2)) into (cos (- lambda2)) 1.417 * [backup-simplify]: Simplify (sin (- lambda2)) into (sin (- lambda2)) 1.417 * [taylor]: Taking taylor expansion of (cos (- lambda1 lambda2)) in lambda1 1.417 * [taylor]: Taking taylor expansion of (- lambda1 lambda2) in lambda1 1.417 * [taylor]: Taking taylor expansion of lambda1 in lambda1 1.417 * [backup-simplify]: Simplify 0 into 0 1.417 * [backup-simplify]: Simplify 1 into 1 1.417 * [taylor]: Taking taylor expansion of lambda2 in lambda1 1.417 * [backup-simplify]: Simplify lambda2 into lambda2 1.417 * [backup-simplify]: Simplify (- lambda2) into (- lambda2) 1.417 * [backup-simplify]: Simplify (+ 0 (- lambda2)) into (- lambda2) 1.417 * [backup-simplify]: Simplify (cos (- lambda2)) into (cos (- lambda2)) 1.417 * [backup-simplify]: Simplify (sin (- lambda2)) into (sin (- lambda2)) 1.417 * [backup-simplify]: Simplify (* (cos (- lambda2)) 1) into (cos (- lambda2)) 1.417 * [backup-simplify]: Simplify (* (sin (- lambda2)) 0) into 0 1.418 * [backup-simplify]: Simplify (- 0) into 0 1.418 * [backup-simplify]: Simplify (+ (cos (- lambda2)) 0) into (cos (- lambda2)) 1.418 * [taylor]: Taking taylor expansion of (cos (- lambda2)) in lambda2 1.418 * [taylor]: Taking taylor expansion of (- lambda2) in lambda2 1.418 * [taylor]: Taking taylor expansion of lambda2 in lambda2 1.418 * [backup-simplify]: Simplify 0 into 0 1.418 * [backup-simplify]: Simplify 1 into 1 1.418 * [backup-simplify]: Simplify (- 0) into 0 1.418 * [backup-simplify]: Simplify (- 1) into -1 1.418 * [backup-simplify]: Simplify 1 into 1 1.419 * [backup-simplify]: Simplify (+ 0) into 0 1.419 * [backup-simplify]: Simplify (+ (* (cos (- lambda2)) 0) (* 0 1)) into 0 1.420 * [backup-simplify]: Simplify (- 0) into 0 1.420 * [backup-simplify]: Simplify (+ 1 0) into 1 1.421 * [backup-simplify]: Simplify (+ (* 1 (/ (pow 1 1) 1))) into 1 1.421 * [backup-simplify]: Simplify (+ (* (sin (- lambda2)) 1) (* 0 0)) into (sin (- lambda2)) 1.421 * [backup-simplify]: Simplify (- (sin (- lambda2))) into (- (sin (- lambda2))) 1.421 * [backup-simplify]: Simplify (+ 0 (- (sin (- lambda2)))) into (- (sin (- lambda2))) 1.421 * [taylor]: Taking taylor expansion of (- (sin (- lambda2))) in lambda2 1.421 * [taylor]: Taking taylor expansion of (sin (- lambda2)) in lambda2 1.421 * [taylor]: Taking taylor expansion of (- lambda2) in lambda2 1.421 * [taylor]: Taking taylor expansion of lambda2 in lambda2 1.421 * [backup-simplify]: Simplify 0 into 0 1.421 * [backup-simplify]: Simplify 1 into 1 1.422 * [backup-simplify]: Simplify (- 0) into 0 1.422 * [backup-simplify]: Simplify (- 1) into -1 1.422 * [backup-simplify]: Simplify (- 0) into 0 1.422 * [backup-simplify]: Simplify 0 into 0 1.422 * [backup-simplify]: Simplify (+ 0) into 0 1.422 * [backup-simplify]: Simplify 0 into 0 1.423 * [backup-simplify]: Simplify (+ (* -1 (/ (pow 1 2) 2)) 0) into -1/2 1.424 * [backup-simplify]: Simplify (+ (* (cos (- lambda2)) -1/2) (+ (* 0 0) (* 0 1))) into (- (* 1/2 (cos (- lambda2)))) 1.424 * [backup-simplify]: Simplify (- 0) into 0 1.424 * [backup-simplify]: Simplify (+ 0 0) into 0 1.425 * [backup-simplify]: Simplify (+ 0 (* 1 (/ (pow 0 1) 1))) into 0 1.425 * [backup-simplify]: Simplify (+ (* (sin (- lambda2)) 0) (+ (* 0 1) (* 0 0))) into 0 1.426 * [backup-simplify]: Simplify (- 0) into 0 1.426 * [backup-simplify]: Simplify (+ (- (* 1/2 (cos (- lambda2)))) 0) into (- (* 1/2 (cos (- lambda2)))) 1.426 * [taylor]: Taking taylor expansion of (- (* 1/2 (cos (- lambda2)))) in lambda2 1.426 * [taylor]: Taking taylor expansion of (* 1/2 (cos (- lambda2))) in lambda2 1.426 * [taylor]: Taking taylor expansion of 1/2 in lambda2 1.426 * [backup-simplify]: Simplify 1/2 into 1/2 1.426 * [taylor]: Taking taylor expansion of (cos (- lambda2)) in lambda2 1.426 * [taylor]: Taking taylor expansion of (- lambda2) in lambda2 1.426 * [taylor]: Taking taylor expansion of lambda2 in lambda2 1.426 * [backup-simplify]: Simplify 0 into 0 1.426 * [backup-simplify]: Simplify 1 into 1 1.426 * [backup-simplify]: Simplify (- 0) into 0 1.426 * [backup-simplify]: Simplify (- 1) into -1 1.427 * [backup-simplify]: Simplify (* 1/2 1) into 1/2 1.427 * [backup-simplify]: Simplify (- 1/2) into -1/2 1.427 * [backup-simplify]: Simplify -1/2 into -1/2 1.427 * [backup-simplify]: Simplify (- 1) into -1 1.428 * [backup-simplify]: Simplify (+ (* 1 (/ (pow -1 1) 1))) into -1 1.428 * [backup-simplify]: Simplify (- -1) into 1 1.428 * [backup-simplify]: Simplify 1 into 1