Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:59:04 2013 Optimize a model with 19400 rows, 29102 columns and 38800 nonzeros Model has 9700 quadratic constraints Presolve time: 0.02s Presolved: 19400 rows, 29102 columns, 38800 nonzeros Presolved model has 9700 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.910e+04 Factor NZ : 6.790e+04 (roughly 20 MBytes of memory) Factor Ops : 2.425e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.41667131e+06 0.00000000e+00 1.56e-13 4.95e-01 2.99e+02 0s 1 1.67759446e+06 3.32673882e+05 9.64e-08 4.86e-05 4.62e+01 0s 2 1.25133135e+06 9.88431812e+05 1.39e-08 3.02e-06 9.03e+00 0s 3 1.15176201e+06 1.09827262e+06 2.85e-09 3.59e-07 1.84e+00 0s 4 1.11705074e+06 1.11284549e+06 3.67e-11 4.81e-08 1.45e-01 0s 5 1.11547955e+06 1.11537551e+06 8.60e-13 1.21e-09 3.58e-03 0s 6 1.11544664e+06 1.11544298e+06 8.53e-14 1.18e-11 1.26e-04 0s 7 1.11544429e+06 1.11544371e+06 1.35e-13 5.73e-13 2.00e-05 0s Barrier solved model in 7 iterations and 0.34 seconds Optimal objective 1.11544429e+06