Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:48 2013 Optimize a model with 1680 rows, 2522 columns and 3360 nonzeros Model has 840 quadratic constraints Presolve time: 0.00s Presolved: 1680 rows, 2522 columns, 3360 nonzeros Presolved model has 840 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.520e+03 Factor NZ : 5.883e+03 (roughly 2 MBytes of memory) Factor Ops : 2.100e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.27096651e+05 0.00000000e+00 2.84e-14 4.86e-01 2.98e+02 0s 1 1.44934204e+05 2.92364626e+04 1.73e-08 5.08e-05 4.59e+01 0s 2 1.08737861e+05 8.60304339e+04 5.29e-09 6.59e-06 9.01e+00 0s 3 9.92791926e+04 9.57298311e+04 4.57e-09 1.22e-06 1.41e+00 0s 4 9.70314157e+04 9.69259063e+04 1.72e-09 1.15e-07 4.19e-02 0s 5 9.69839171e+04 9.69794526e+04 1.13e-10 6.81e-09 1.77e-03 0s 6 9.69808275e+04 9.69804637e+04 1.64e-10 7.04e-10 1.44e-04 0s 7 9.69806330e+04 9.69805337e+04 4.40e-11 1.69e-10 3.94e-05 0s 8 9.69805823e+04 9.69805490e+04 1.26e-11 6.80e-11 1.32e-05 0s Barrier solved model in 8 iterations and 0.04 seconds Optimal objective 9.69805823e+04