Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:43:00 2013 Optimize a model with 104000 rows, 156002 columns and 208000 nonzeros Model has 52000 quadratic constraints Presolve time: 0.12s Presolved: 104000 rows, 156002 columns, 208000 nonzeros Presolved model has 52000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.560e+05 Factor NZ : 3.640e+05 (roughly 100 MBytes of memory) Factor Ops : 1.300e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.42419931e+07 0.00000000e+00 7.82e-12 4.95e-01 2.93e+02 0s 1 8.96020505e+06 1.81673198e+06 6.01e-07 4.68e-05 4.58e+01 0s 2 6.70821384e+06 5.31958198e+06 8.71e-08 2.87e-06 8.90e+00 1s 3 6.17348529e+06 5.89376788e+06 1.91e-08 3.47e-07 1.79e+00 1s 4 5.99977708e+06 5.98018394e+06 1.06e-09 1.52e-08 1.26e-01 1s 5 5.98690204e+06 5.98536745e+06 1.05e-10 3.58e-12 9.84e-03 1s 6 5.98557827e+06 5.98540357e+06 1.03e-11 3.81e-12 1.12e-03 2s 7 5.98552412e+06 5.98543052e+06 6.46e-12 5.01e-12 6.00e-04 2s 8 5.98545813e+06 5.98543183e+06 1.88e-12 4.46e-12 1.69e-04 2s 9 5.98544034e+06 5.98543426e+06 4.55e-13 4.28e-12 3.90e-05 2s 10 5.98543939e+06 5.98543478e+06 1.11e-12 4.78e-12 2.96e-05 3s Barrier solved model in 10 iterations and 2.50 seconds Optimal objective 5.98543939e+06