Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:41 2013 Optimize a model with 180 rows, 272 columns and 360 nonzeros Model has 90 quadratic constraints Presolve time: 0.00s Presolved: 180 rows, 272 columns, 360 nonzeros Presolved model has 90 second-order cone constraints Ordering time: 0.00s Barrier statistics: Free vars : 2 AA' NZ : 8.100e+03 Factor NZ : 1.427e+04 Factor Ops : 1.412e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.67731310e+04 0.00000000e+00 1.85e-13 5.63e-01 2.92e+02 0s 1 1.54346728e+04 3.50242888e+03 1.38e-09 5.11e-05 4.42e+01 0s 2 1.26574183e+04 9.84066345e+03 4.06e-09 7.69e-06 1.04e+01 0s 3 1.11177340e+04 1.09148315e+04 1.15e-09 7.55e-07 7.51e-01 0s 4 1.09670054e+04 1.09587322e+04 1.82e-10 5.03e-08 3.06e-02 0s 5 1.09598320e+04 1.09594128e+04 7.15e-12 1.05e-09 1.55e-03 0s 6 1.09596022e+04 1.09594721e+04 2.39e-12 7.73e-11 4.82e-04 0s 7 1.09595172e+04 1.09594892e+04 1.41e-09 1.18e-09 1.04e-04 0s 8 1.09595044e+04 1.09594931e+04 6.21e-10 5.92e-13 4.20e-05 0s 9 1.09595008e+04 1.09594937e+04 3.79e-10 1.24e-11 2.61e-05 0s Barrier solved model in 9 iterations and 0.02 seconds Optimal objective 1.09595008e+04