Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:41:32 2013 Optimize a model with 188000 rows, 282002 columns and 376000 nonzeros Model has 94000 quadratic constraints Presolve time: 0.22s Presolved: 188000 rows, 282002 columns, 376000 nonzeros Presolved model has 94000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.820e+05 Factor NZ : 6.580e+05 (roughly 200 MBytes of memory) Factor Ops : 2.350e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.88821577e+07 0.00000000e+00 1.27e-11 5.01e-01 2.89e+02 1s 1 1.61471256e+07 3.35880177e+06 3.06e-06 4.49e-05 4.53e+01 1s 2 1.21532496e+07 9.70770172e+06 4.40e-07 2.65e-06 8.67e+00 1s 3 1.12065104e+07 1.07119502e+07 9.73e-08 3.22e-07 1.75e+00 2s 4 1.08965182e+07 1.08625831e+07 5.16e-09 1.47e-08 1.20e-01 2s 5 1.08726954e+07 1.08719539e+07 1.40e-10 1.31e-11 2.63e-03 3s 6 1.08721378e+07 1.08720031e+07 2.54e-11 1.17e-11 4.77e-04 3s 7 1.08720398e+07 1.08720154e+07 4.75e-12 2.09e-11 8.65e-05 4s 8 1.08720261e+07 1.08720181e+07 1.88e-12 1.61e-11 2.85e-05 4s Barrier solved model in 8 iterations and 3.87 seconds Optimal objective 1.08720261e+07