Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:00:17 2013 Optimize a model with 22000 rows, 33002 columns and 44000 nonzeros Model has 11000 quadratic constraints Presolve time: 0.02s Presolved: 22000 rows, 33002 columns, 44000 nonzeros Presolved model has 11000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.300e+04 Factor NZ : 7.700e+04 (roughly 20 MBytes of memory) Factor Ops : 2.750e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 9.56453631e+06 0.00000000e+00 3.41e-13 4.98e-01 3.00e+02 0s 1 1.90475067e+06 3.76897889e+05 1.63e-07 4.85e-05 4.63e+01 0s 2 1.41861797e+06 1.12078133e+06 2.85e-08 2.98e-06 9.03e+00 0s 3 1.30143987e+06 1.24569872e+06 6.09e-09 3.52e-07 1.69e+00 0s 4 1.26972248e+06 1.26154126e+06 6.30e-10 5.73e-08 2.48e-01 0s 5 1.26504656e+06 1.26492272e+06 9.07e-12 2.21e-10 3.75e-03 0s 6 1.26496938e+06 1.26495924e+06 7.13e-11 1.57e-09 3.07e-04 0s 7 1.26496096e+06 1.26495958e+06 1.34e-09 3.74e-10 4.18e-05 0s 8 1.26496013e+06 1.26495975e+06 4.03e-10 6.47e-13 1.15e-05 0s Barrier solved model in 8 iterations and 0.41 seconds Optimal objective 1.26496013e+06