Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:36 2013 Optimize a model with 1520 rows, 2282 columns and 3040 nonzeros Model has 760 quadratic constraints Presolve time: 0.00s Presolved: 1520 rows, 2282 columns, 3040 nonzeros Presolved model has 760 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.280e+03 Factor NZ : 5.323e+03 (roughly 2 MBytes of memory) Factor Ops : 1.900e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.60694042e+05 0.00000000e+00 2.84e-14 5.08e-01 2.99e+02 0s 1 1.31763541e+05 2.58705293e+04 5.60e-09 4.98e-05 4.64e+01 0s 2 9.75958230e+04 7.60115636e+04 1.42e-08 7.05e-06 9.47e+00 0s 3 8.87983791e+04 8.57097599e+04 6.21e-09 1.73e-06 1.35e+00 0s 4 8.67336699e+04 8.63949279e+04 2.69e-09 1.17e-07 1.49e-01 0s 5 8.65921051e+04 8.64825985e+04 1.12e-09 8.19e-09 4.80e-02 0s 6 8.64982278e+04 8.64890894e+04 8.97e-11 1.00e-09 4.01e-03 0s 7 8.64916247e+04 8.64894600e+04 1.07e-09 2.82e-09 9.49e-04 0s 8 8.64906305e+04 8.64901790e+04 1.21e-09 1.74e-09 1.98e-04 0s 9 8.64904111e+04 8.64901905e+04 5.85e-10 8.08e-10 9.68e-05 0s 10 8.64902994e+04 8.64902026e+04 2.53e-10 2.50e-10 4.24e-05 0s 11 8.64902583e+04 8.64902115e+04 1.28e-10 3.64e-11 2.05e-05 0s Barrier solved model in 11 iterations and 0.04 seconds Optimal objective 8.64902583e+04