Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:49:20 2013 Optimize a model with 11000 rows, 16502 columns and 22000 nonzeros Model has 5500 quadratic constraints Presolve time: 0.01s Presolved: 11000 rows, 16502 columns, 22000 nonzeros Presolved model has 5500 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.650e+04 Factor NZ : 3.850e+04 (roughly 10 MBytes of memory) Factor Ops : 1.375e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.79136759e+06 0.00000000e+00 8.53e-14 5.07e-01 3.00e+02 0s 1 9.50818063e+05 1.91041779e+05 5.96e-08 4.86e-05 4.60e+01 0s 2 7.15380674e+05 5.67459449e+05 6.14e-08 3.72e-06 8.96e+00 0s 3 6.57294736e+05 6.29013986e+05 1.22e-08 4.54e-07 1.71e+00 0s 4 6.40506496e+05 6.36692307e+05 1.58e-09 9.61e-08 2.31e-01 0s 5 6.38923010e+05 6.38817540e+05 5.07e-11 1.48e-09 6.39e-03 0s 6 6.38875657e+05 6.38861328e+05 1.12e-11 1.20e-11 8.68e-04 0s 7 6.38865196e+05 6.38861829e+05 2.70e-12 3.06e-13 2.04e-04 0s 8 6.38864073e+05 6.38861832e+05 2.56e-12 1.40e-13 1.36e-04 0s 9 6.38862839e+05 6.38861870e+05 1.14e-12 7.35e-13 5.87e-05 0s 10 6.38862551e+05 6.38861896e+05 1.21e-12 1.04e-12 3.97e-05 0s 11 6.38862393e+05 6.38861911e+05 1.98e-12 3.13e-13 2.92e-05 0s Barrier solved model in 11 iterations and 0.28 seconds Optimal objective 6.38862393e+05