Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:15 2013 Optimize a model with 2200 rows, 3302 columns and 4400 nonzeros Model has 1100 quadratic constraints Presolve time: 0.00s Presolved: 2200 rows, 3302 columns, 4400 nonzeros Presolved model has 1100 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.300e+03 Factor NZ : 7.703e+03 (roughly 2 MBytes of memory) Factor Ops : 2.750e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 9.67793562e+05 0.00000000e+00 4.26e-14 5.03e-01 3.03e+02 0s 1 1.89853523e+05 3.81826118e+04 1.21e-08 4.90e-05 4.60e+01 0s 2 1.43392368e+05 1.13450369e+05 7.55e-09 6.40e-06 9.07e+00 0s 3 1.31253758e+05 1.26173995e+05 1.18e-09 9.50e-07 1.54e+00 0s 4 1.28081744e+05 1.27726300e+05 6.31e-10 1.70e-07 1.08e-01 0s 5 1.28006926e+05 1.28000802e+05 1.02e-10 1.49e-08 1.86e-03 0s 6 1.28004042e+05 1.28002428e+05 2.19e-11 4.92e-09 4.89e-04 0s 7 1.28003553e+05 1.28002727e+05 8.67e-12 3.07e-09 2.50e-04 0s 8 1.28003344e+05 1.28003154e+05 2.04e-09 4.82e-10 5.76e-05 0s 9 1.28003274e+05 1.28003220e+05 7.88e-10 4.99e-11 1.64e-05 0s Barrier solved model in 9 iterations and 0.05 seconds Optimal objective 1.28003274e+05