Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:45 2013 Optimize a model with 380 rows, 572 columns and 760 nonzeros Model has 190 quadratic constraints Presolve time: 0.00s Presolved: 380 rows, 572 columns, 760 nonzeros Presolved model has 190 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 5.700e+02 Factor NZ : 1.333e+03 Factor Ops : 4.755e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.68668020e+05 0.00000000e+00 2.84e-14 5.25e-01 3.05e+02 0s 1 3.24299038e+04 7.17937596e+03 2.46e-09 5.21e-05 4.43e+01 0s 2 2.55923745e+04 2.08073983e+04 7.22e-09 9.08e-06 8.39e+00 0s 3 2.35219668e+04 2.29631954e+04 1.16e-09 1.82e-06 9.80e-01 0s 4 2.32439925e+04 2.31468230e+04 5.04e-10 4.17e-07 1.70e-01 0s 5 2.32001884e+04 2.31793885e+04 3.71e-10 7.90e-08 3.65e-02 0s 6 2.31883243e+04 2.31844493e+04 6.45e-11 1.59e-08 6.80e-03 0s 7 2.31867196e+04 2.31858372e+04 1.03e-10 9.20e-09 1.55e-03 0s 8 2.31859982e+04 2.31858648e+04 2.55e-11 7.79e-09 2.34e-04 0s 9 2.31859532e+04 2.31858731e+04 1.13e-09 1.98e-09 1.40e-04 0s 10 2.31858801e+04 2.31858757e+04 4.47e-11 7.41e-12 7.82e-06 0s Barrier solved model in 10 iterations and 0.01 seconds Optimal objective 2.31858801e+04