Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:55:20 2013 Optimize a model with 16800 rows, 25202 columns and 33600 nonzeros Model has 8400 quadratic constraints Presolve time: 0.02s Presolved: 16800 rows, 25202 columns, 33600 nonzeros Presolved model has 8400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.520e+04 Factor NZ : 5.880e+04 (roughly 17 MBytes of memory) Factor Ops : 2.100e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.30541558e+06 0.00000000e+00 9.95e-14 5.07e-01 3.00e+02 0s 1 1.46639088e+06 2.94732781e+05 1.52e-07 4.86e-05 4.65e+01 0s 2 1.09914985e+06 8.70730288e+05 1.01e-08 3.02e-06 9.06e+00 0s 3 1.00780115e+06 9.65780853e+05 1.87e-09 3.61e-07 1.67e+00 0s 4 9.85052901e+05 9.76169383e+05 2.76e-10 1.03e-07 3.53e-01 0s 5 9.81072738e+05 9.77710292e+05 1.30e-10 6.83e-08 1.33e-01 0s 6 9.80814919e+05 9.80697137e+05 3.23e-11 7.07e-10 4.67e-03 0s 7 9.80761818e+05 9.80728388e+05 1.19e-11 2.71e-11 1.33e-03 0s 8 9.80743228e+05 9.80729516e+05 5.03e-12 3.44e-12 5.44e-04 0s 9 9.80733878e+05 9.80729667e+05 1.68e-12 1.22e-12 1.67e-04 0s 10 9.80731933e+05 9.80729755e+05 9.95e-13 1.81e-13 8.64e-05 0s 11 9.80731488e+05 9.80729780e+05 2.61e-12 5.90e-13 6.78e-05 0s 12 9.80730937e+05 9.80729795e+05 2.53e-12 5.27e-13 4.53e-05 0s 13 9.80730615e+05 9.80729801e+05 1.76e-12 3.15e-13 3.23e-05 0s Barrier solved model in 13 iterations and 0.49 seconds Optimal objective 9.80730615e+05