Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:13 2013 Optimize a model with 1140 rows, 1712 columns and 2280 nonzeros Model has 570 quadratic constraints Presolve time: 0.00s Presolved: 1140 rows, 1712 columns, 2280 nonzeros Presolved model has 570 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.710e+03 Factor NZ : 3.993e+03 (roughly 1 MByte of memory) Factor Ops : 1.426e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.88503603e+05 0.00000000e+00 4.26e-14 4.69e-01 2.96e+02 0s 1 9.56612408e+04 1.94391053e+04 7.93e-09 5.08e-05 4.46e+01 0s 2 7.22135269e+04 5.73949315e+04 2.04e-08 8.90e-06 8.67e+00 0s 3 6.60761561e+04 6.38515062e+04 2.09e-08 2.16e-06 1.30e+00 0s 4 6.47250494e+04 6.45015714e+04 5.77e-10 4.55e-07 1.31e-01 0s 5 6.46740364e+04 6.46305445e+04 2.84e-14 1.13e-07 2.54e-02 0s 6 6.46734852e+04 6.46686066e+04 7.79e-11 2.92e-09 2.85e-03 0s 7 6.46726951e+04 6.46707422e+04 2.84e-14 1.37e-09 1.14e-03 0s 8 6.46725389e+04 6.46718770e+04 3.55e-14 4.87e-10 3.87e-04 0s 9 6.46724981e+04 6.46722049e+04 1.42e-14 2.07e-10 1.71e-04 0s 10 6.46724664e+04 6.46723086e+04 1.42e-14 1.13e-10 9.23e-05 0s 11 6.46724535e+04 6.46723754e+04 1.08e-09 1.69e-10 4.57e-05 0s 12 6.46724329e+04 6.46723900e+04 1.87e-10 1.16e-10 2.51e-05 0s Barrier solved model in 12 iterations and 0.03 seconds Optimal objective 6.46724329e+04