Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:57 2013 Optimize a model with 800 rows, 1202 columns and 1600 nonzeros Model has 400 quadratic constraints Presolve time: 0.00s Presolved: 800 rows, 1202 columns, 1600 nonzeros Presolved model has 400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.200e+03 Factor NZ : 2.803e+03 Factor Ops : 1.000e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.31922651e+05 0.00000000e+00 2.84e-14 4.55e-01 2.87e+02 0s 1 6.55327530e+04 1.33696301e+04 7.86e-09 4.95e-05 4.35e+01 0s 2 4.94440395e+04 3.94030178e+04 1.25e-08 8.66e-06 8.37e+00 0s 3 4.51298725e+04 4.40148131e+04 2.42e-09 1.64e-06 9.29e-01 0s 4 4.44372733e+04 4.43875759e+04 8.03e-11 5.18e-08 4.14e-02 0s 5 4.44112475e+04 4.43993559e+04 1.28e-11 1.89e-08 9.91e-03 0s 6 4.44067880e+04 4.44037298e+04 1.88e-12 6.44e-09 2.55e-03 0s 7 4.44060369e+04 4.44059011e+04 7.04e-09 1.32e-09 1.13e-04 0s 8 4.44059816e+04 4.44059326e+04 1.11e-09 7.21e-10 4.08e-05 0s 9 4.44059738e+04 4.44059468e+04 3.39e-10 4.46e-10 2.25e-05 0s Barrier solved model in 9 iterations and 0.02 seconds Optimal objective 4.44059738e+04