Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:48:31 2013 Optimize a model with 110000 rows, 165002 columns and 220000 nonzeros Model has 55000 quadratic constraints Presolve time: 0.12s Presolved: 110000 rows, 165002 columns, 220000 nonzeros Presolved model has 55000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.650e+05 Factor NZ : 3.850e+05 (roughly 110 MBytes of memory) Factor Ops : 1.375e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.70557538e+07 0.00000000e+00 5.78e-12 5.05e-01 2.95e+02 0s 1 9.53728314e+06 1.94226238e+06 1.09e-06 4.67e-05 4.60e+01 0s 2 7.14665276e+06 5.67892654e+06 1.96e-07 2.82e-06 8.90e+00 1s 3 6.56816001e+06 6.28589981e+06 4.31e-08 3.41e-07 1.71e+00 1s 4 6.42491861e+06 6.35633626e+06 9.72e-09 8.79e-08 4.16e-01 1s 5 6.38570041e+06 6.36300991e+06 6.08e-10 6.46e-08 1.38e-01 2s 6 6.38306397e+06 6.37468344e+06 1.25e-10 2.54e-08 5.08e-02 2s 7 6.38266759e+06 6.38221132e+06 5.94e-11 3.05e-10 2.77e-03 2s 8 6.38233169e+06 6.38229055e+06 4.62e-12 4.27e-11 2.49e-04 2s 9 6.38231528e+06 6.38230338e+06 1.90e-12 5.12e-12 7.21e-05 2s 10 6.38230970e+06 6.38230426e+06 1.15e-12 3.90e-12 3.29e-05 3s Barrier solved model in 10 iterations and 2.64 seconds Optimal objective 6.38230970e+06