Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:50:54 2013 Optimize a model with 12800 rows, 19202 columns and 25600 nonzeros Model has 6400 quadratic constraints Presolve time: 0.01s Presolved: 12800 rows, 19202 columns, 25600 nonzeros Presolved model has 6400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.920e+04 Factor NZ : 4.480e+04 (roughly 13 MBytes of memory) Factor Ops : 1.600e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.56318119e+06 0.00000000e+00 1.07e-13 4.95e-01 3.00e+02 0s 1 1.11274369e+06 2.21440760e+05 6.16e-08 4.92e-05 4.64e+01 0s 2 8.29289893e+05 6.53103025e+05 8.06e-08 3.91e-06 9.18e+00 0s 3 7.62113015e+05 7.27356465e+05 1.69e-08 6.05e-07 1.81e+00 0s 4 7.39016438e+05 7.36847516e+05 8.53e-14 8.15e-08 1.13e-01 0s 5 7.38541266e+05 7.38501011e+05 2.84e-14 3.56e-10 2.10e-03 0s 6 7.38512879e+05 7.38508728e+05 3.16e-10 1.42e-09 2.16e-04 0s 7 7.38510672e+05 7.38509086e+05 1.27e-10 1.30e-10 8.26e-05 0s 8 7.38509503e+05 7.38509155e+05 2.72e-11 2.86e-13 1.82e-05 0s Barrier solved model in 8 iterations and 0.23 seconds Optimal objective 7.38509503e+05