Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:52:57 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 4.86538158e+07 0.00000000e+00 1.01e-11 5.03e-01 2.94e+02 0s 1 9.87576818e+06 2.02001151e+06 2.79e-07 4.65e-05 4.59e+01 0s 2 7.41126318e+06 5.89572150e+06 4.02e-08 2.80e-06 8.86e+00 1s 3 6.81380425e+06 6.52109807e+06 8.88e-09 3.42e-07 1.71e+00 1s 4 6.64346532e+06 6.59691083e+06 8.54e-10 7.98e-08 2.72e-01 1s 5 6.62318922e+06 6.62130412e+06 6.74e-11 4.16e-12 1.10e-02 2s 6 6.62154418e+06 6.62137981e+06 5.85e-12 3.86e-12 9.61e-04 2s 7 6.62143438e+06 6.62139405e+06 1.55e-12 9.70e-13 2.36e-04 2s 8 6.62140745e+06 6.62139554e+06 7.67e-13 3.97e-12 6.96e-05 2s 9 6.62140221e+06 6.62139620e+06 8.24e-13 4.20e-12 3.52e-05 3s Barrier solved model in 9 iterations and 2.54 seconds Optimal objective 6.62140221e+06