Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:47:35 2013 Optimize a model with 8400 rows, 12602 columns and 16800 nonzeros Model has 4200 quadratic constraints Presolve time: 0.01s Presolved: 8400 rows, 12602 columns, 16800 nonzeros Presolved model has 4200 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.260e+04 Factor NZ : 2.940e+04 (roughly 9 MBytes of memory) Factor Ops : 1.050e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.66275415e+06 0.00000000e+00 5.68e-14 4.95e-01 3.00e+02 0s 1 7.28377704e+05 1.45698107e+05 1.96e-08 4.95e-05 4.62e+01 0s 2 5.45136516e+05 4.30098627e+05 1.03e-07 6.39e-06 9.13e+00 0s 3 4.99608575e+05 4.78743745e+05 1.70e-08 1.60e-06 1.66e+00 0s 4 4.87943023e+05 4.85130834e+05 1.85e-09 2.30e-07 2.23e-01 0s 5 4.86379344e+05 4.85933914e+05 3.36e-10 7.48e-08 3.54e-02 0s 6 4.86344593e+05 4.86320171e+05 1.27e-10 6.35e-10 1.94e-03 0s 7 4.86325463e+05 4.86323654e+05 9.98e-12 8.41e-13 1.43e-04 0s 8 4.86324501e+05 4.86323676e+05 5.12e-12 2.57e-13 6.55e-05 0s 9 4.86323923e+05 4.86323716e+05 1.33e-12 3.42e-12 1.64e-05 0s Barrier solved model in 9 iterations and 0.17 seconds Optimal objective 4.86323923e+05