Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:45 2013 Optimize a model with 1640 rows, 2462 columns and 3280 nonzeros Model has 820 quadratic constraints Presolve time: 0.00s Presolved: 1640 rows, 2462 columns, 3280 nonzeros Presolved model has 820 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.460e+03 Factor NZ : 5.743e+03 (roughly 2 MBytes of memory) Factor Ops : 2.050e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.12772824e+05 0.00000000e+00 2.84e-14 5.05e-01 2.99e+02 0s 1 1.39582175e+05 2.99697192e+04 1.23e-08 4.78e-05 4.46e+01 0s 2 1.08418937e+05 8.80735250e+04 1.81e-08 7.78e-06 8.27e+00 0s 3 9.86671273e+04 9.68202979e+04 8.30e-09 1.69e-06 7.51e-01 0s 4 9.77895296e+04 9.77208150e+04 1.67e-09 3.55e-07 2.79e-02 0s 5 9.77654727e+04 9.77632191e+04 5.22e-10 3.10e-08 9.16e-04 0s 6 9.77642563e+04 9.77639444e+04 7.87e-10 1.24e-08 1.27e-04 0s 7 9.77641852e+04 9.77641110e+04 6.36e-10 9.31e-10 3.02e-05 0s Barrier solved model in 7 iterations and 0.03 seconds Optimal objective 9.77641852e+04