Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:53:57 2013 Optimize a model with 114000 rows, 171002 columns and 228000 nonzeros Model has 57000 quadratic constraints Presolve time: 0.13s Presolved: 114000 rows, 171002 columns, 228000 nonzeros Presolved model has 57000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.710e+05 Factor NZ : 3.990e+05 (roughly 120 MBytes of memory) Factor Ops : 1.425e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.85804440e+07 0.00000000e+00 6.98e-12 5.00e-01 2.94e+02 0s 1 9.83133209e+06 2.01161704e+06 4.11e-07 4.64e-05 4.57e+01 0s 2 7.38528160e+06 5.87985360e+06 5.91e-08 2.79e-06 8.80e+00 1s 3 6.79007142e+06 6.50192111e+06 1.30e-08 3.34e-07 1.69e+00 1s 4 6.63485459e+06 6.57291098e+06 2.12e-09 8.79e-08 3.62e-01 1s 5 6.60166692e+06 6.59574239e+06 8.62e-11 1.26e-08 3.46e-02 2s 6 6.60060976e+06 6.59975054e+06 3.35e-11 5.54e-10 5.02e-03 2s 7 6.59997804e+06 6.59993136e+06 1.71e-12 1.56e-11 2.73e-04 2s 8 6.59995478e+06 6.59993744e+06 8.10e-13 5.23e-12 1.01e-04 2s 9 6.59994593e+06 6.59993773e+06 9.95e-13 3.06e-12 4.80e-05 3s 10 6.59994482e+06 6.59993788e+06 1.50e-12 4.36e-12 4.06e-05 3s 11 6.59994324e+06 6.59993791e+06 8.79e-12 2.02e-12 3.12e-05 3s Barrier solved model in 11 iterations and 3.05 seconds Optimal objective 6.59994324e+06