Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:20 2013 Optimize a model with 2600 rows, 3902 columns and 5200 nonzeros Model has 1300 quadratic constraints Presolve time: 0.00s Presolved: 2600 rows, 3902 columns, 5200 nonzeros Presolved model has 1300 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.900e+03 Factor NZ : 9.103e+03 (roughly 3 MBytes of memory) Factor Ops : 3.250e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.13271932e+06 0.00000000e+00 2.84e-14 4.98e-01 3.00e+02 0s 1 2.24396057e+05 4.50710861e+04 2.45e-08 5.02e-05 4.60e+01 0s 2 1.76733176e+05 1.33870897e+05 5.42e-08 6.22e-06 1.10e+01 0s 3 1.53771459e+05 1.49713032e+05 4.07e-09 1.31e-06 1.04e+00 0s 4 1.50962045e+05 1.50682177e+05 2.32e-09 2.48e-07 7.18e-02 0s 5 1.50943659e+05 1.50927132e+05 8.75e-10 9.62e-09 4.24e-03 0s 6 1.50930202e+05 1.50927565e+05 1.43e-10 1.07e-10 6.76e-04 0s 7 1.50928168e+05 1.50927581e+05 3.10e-11 3.81e-13 1.51e-04 0s 8 1.50927687e+05 1.50927591e+05 4.72e-12 2.76e-13 2.47e-05 0s Barrier solved model in 8 iterations and 0.06 seconds Optimal objective 1.50927687e+05