Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:33:57 2013 Optimize a model with 184000 rows, 276002 columns and 368000 nonzeros Model has 92000 quadratic constraints Presolve time: 0.22s Presolved: 184000 rows, 276002 columns, 368000 nonzeros Presolved model has 92000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.760e+05 Factor NZ : 6.440e+05 (roughly 200 MBytes of memory) Factor Ops : 2.300e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.72593847e+07 0.00000000e+00 2.28e-11 5.01e-01 2.89e+02 1s 1 1.58039088e+07 3.28430999e+06 2.11e-06 4.50e-05 4.54e+01 1s 2 1.18925759e+07 9.49816666e+06 3.03e-07 2.66e-06 8.68e+00 1s 3 1.09672080e+07 1.04820607e+07 6.73e-08 3.23e-07 1.76e+00 2s 4 1.06686877e+07 1.06264227e+07 4.80e-09 2.15e-08 1.53e-01 2s 5 1.06395158e+07 1.06387657e+07 1.07e-10 3.05e-12 2.72e-03 3s 6 1.06389599e+07 1.06388217e+07 2.00e-11 1.76e-11 5.01e-04 3s 7 1.06388587e+07 1.06388335e+07 3.79e-12 2.08e-11 9.14e-05 3s 8 1.06388442e+07 1.06388363e+07 1.47e-12 7.99e-12 2.84e-05 4s Barrier solved model in 8 iterations and 3.72 seconds Optimal objective 1.06388442e+07