Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:46:08 2013 Optimize a model with 5400 rows, 8102 columns and 10800 nonzeros Model has 2700 quadratic constraints Presolve time: 0.01s Presolved: 5400 rows, 8102 columns, 10800 nonzeros Presolved model has 2700 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 8.100e+03 Factor NZ : 1.890e+04 (roughly 6 MBytes of memory) Factor Ops : 6.750e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.35345540e+06 0.00000000e+00 2.84e-14 5.01e-01 3.00e+02 0s 1 4.63046181e+05 9.59348999e+04 2.36e-08 4.87e-05 4.53e+01 0s 2 3.72618052e+05 2.85786302e+05 9.17e-08 7.76e-06 1.07e+01 0s 3 3.28656709e+05 3.17519070e+05 2.42e-08 1.09e-06 1.38e+00 0s 4 3.18946780e+05 3.18800401e+05 2.06e-09 4.04e-08 1.81e-02 0s 5 3.18839018e+05 3.18827367e+05 2.39e-10 2.03e-09 1.44e-03 0s 6 3.18832145e+05 3.18830197e+05 3.34e-11 3.91e-10 2.41e-04 0s 7 3.18831159e+05 3.18831069e+05 9.93e-10 8.35e-10 1.11e-05 0s Barrier solved model in 7 iterations and 0.08 seconds Optimal objective 3.18831159e+05