Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:51:55 2013 Optimize a model with 112000 rows, 168002 columns and 224000 nonzeros Model has 56000 quadratic constraints Presolve time: 0.13s Presolved: 112000 rows, 168002 columns, 224000 nonzeros Presolved model has 56000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.680e+05 Factor NZ : 3.920e+05 (roughly 120 MBytes of memory) Factor Ops : 1.400e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.77544923e+07 0.00000000e+00 5.53e-12 5.00e-01 2.94e+02 0s 1 9.65959215e+06 1.97468119e+06 4.34e-07 4.64e-05 4.57e+01 0s 2 7.25458736e+06 5.77500283e+06 6.24e-08 2.79e-06 8.81e+00 1s 3 6.67002288e+06 6.38683347e+06 1.37e-08 3.34e-07 1.69e+00 1s 4 6.51732113e+06 6.45624069e+06 2.22e-09 8.91e-08 3.64e-01 1s 5 6.48470969e+06 6.47879475e+06 7.93e-11 1.35e-08 3.52e-02 2s 6 6.48377992e+06 6.48297011e+06 3.10e-11 6.48e-10 4.82e-03 2s 7 6.48321418e+06 6.48317437e+06 1.34e-12 2.22e-11 2.37e-04 2s 8 6.48319322e+06 6.48318272e+06 5.61e-13 8.95e-12 6.25e-05 2s 9 6.48318742e+06 6.48318313e+06 8.10e-13 3.91e-12 2.56e-05 3s Barrier solved model in 9 iterations and 2.52 seconds Optimal objective 6.48318742e+06