Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:34 2013 Optimize a model with 3800 rows, 5702 columns and 7600 nonzeros Model has 1900 quadratic constraints Presolve time: 0.00s Presolved: 3800 rows, 5702 columns, 7600 nonzeros Presolved model has 1900 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 5.700e+03 Factor NZ : 1.330e+04 (roughly 4 MBytes of memory) Factor Ops : 4.750e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.63526127e+06 0.00000000e+00 2.84e-14 4.95e-01 2.97e+02 0s 1 3.25955670e+05 6.54771664e+04 1.06e-08 4.96e-05 4.57e+01 0s 2 2.44581254e+05 1.93034611e+05 1.10e-08 6.39e-06 9.04e+00 0s 3 2.22948496e+05 2.14727958e+05 1.48e-08 9.21e-07 1.44e+00 0s 4 2.18095643e+05 2.17169548e+05 4.97e-14 2.18e-07 1.62e-01 0s 5 2.17976269e+05 2.17955525e+05 2.23e-10 8.16e-09 3.64e-03 0s 6 2.17968624e+05 2.17965851e+05 3.38e-11 9.72e-10 4.86e-04 0s 7 2.17967475e+05 2.17966666e+05 6.87e-12 3.71e-10 1.42e-04 0s 8 2.17967280e+05 2.17967061e+05 2.52e-12 7.93e-11 3.83e-05 0s 9 2.17967195e+05 2.17967162e+05 5.15e-13 5.66e-12 5.71e-06 0s Barrier solved model in 9 iterations and 0.08 seconds Optimal objective 2.17967195e+05