Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:47:20 2013 Optimize a model with 108000 rows, 162002 columns and 216000 nonzeros Model has 54000 quadratic constraints Presolve time: 0.12s Presolved: 108000 rows, 162002 columns, 216000 nonzeros Presolved model has 54000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.620e+05 Factor NZ : 3.780e+05 (roughly 100 MBytes of memory) Factor Ops : 1.350e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.61046692e+07 0.00000000e+00 5.49e-12 5.01e-01 2.94e+02 0s 1 9.35691198e+06 1.90687597e+06 5.47e-07 4.67e-05 4.60e+01 0s 2 7.01068082e+06 5.56488298e+06 7.93e-08 2.86e-06 8.92e+00 1s 3 6.45317322e+06 6.16121092e+06 1.74e-08 3.51e-07 1.80e+00 1s 4 6.28489219e+06 6.23777341e+06 2.14e-09 6.76e-08 2.91e-01 1s 5 6.25894526e+06 6.25108268e+06 8.16e-11 2.14e-08 4.85e-02 2s 6 6.25790661e+06 6.25753329e+06 1.86e-11 2.16e-10 2.30e-03 2s 7 6.25761681e+06 6.25759787e+06 9.24e-13 3.28e-12 1.17e-04 2s 8 6.25760441e+06 6.25759877e+06 5.54e-13 3.25e-12 3.48e-05 2s Barrier solved model in 8 iterations and 2.14 seconds Optimal objective 6.25760441e+06