Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:48:21 2013 Optimize a model with 9600 rows, 14402 columns and 19200 nonzeros Model has 4800 quadratic constraints Presolve time: 0.01s Presolved: 9600 rows, 14402 columns, 19200 nonzeros Presolved model has 4800 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.440e+04 Factor NZ : 3.360e+04 (roughly 10 MBytes of memory) Factor Ops : 1.200e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.21162525e+06 0.00000000e+00 5.68e-14 5.09e-01 3.02e+02 0s 1 8.41273073e+05 1.67313469e+05 9.06e-08 4.91e-05 4.68e+01 0s 2 6.28432911e+05 4.95482158e+05 1.80e-08 3.95e-06 9.23e+00 0s 3 5.77361980e+05 5.51012625e+05 3.78e-09 4.86e-07 1.83e+00 0s 4 5.60634221e+05 5.58935175e+05 6.39e-14 5.07e-08 1.18e-01 0s 5 5.60057261e+05 5.60030427e+05 2.84e-14 4.95e-10 1.86e-03 0s 6 5.60043806e+05 5.60040614e+05 2.84e-14 4.39e-11 2.22e-04 0s 7 5.60042228e+05 5.60041237e+05 3.55e-13 1.78e-11 6.88e-05 0s 8 5.60041919e+05 5.60041644e+05 6.82e-13 1.21e-12 1.90e-05 0s Barrier solved model in 8 iterations and 0.18 seconds Optimal objective 5.60041919e+05