Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:58:22 2013 Optimize a model with 19000 rows, 28502 columns and 38000 nonzeros Model has 9500 quadratic constraints Presolve time: 0.02s Presolved: 19000 rows, 28502 columns, 38000 nonzeros Presolved model has 9500 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.850e+04 Factor NZ : 6.650e+04 (roughly 20 MBytes of memory) Factor Ops : 2.375e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.26696984e+06 0.00000000e+00 2.84e-13 4.97e-01 2.99e+02 0s 1 1.65840913e+06 3.31028226e+05 6.66e-08 4.94e-05 4.66e+01 0s 2 1.23778432e+06 9.75514767e+05 2.54e-08 3.18e-06 9.20e+00 0s 3 1.13840247e+06 1.08525103e+06 5.60e-09 3.89e-07 1.86e+00 0s 4 1.10650816e+06 1.10005154e+06 4.22e-10 5.79e-08 2.27e-01 0s 5 1.10374095e+06 1.10290482e+06 9.56e-11 8.36e-12 2.93e-02 0s 6 1.10296413e+06 1.10291725e+06 5.44e-12 3.83e-13 1.64e-03 0s 7 1.10294204e+06 1.10291816e+06 2.90e-12 2.34e-13 8.38e-04 0s 8 1.10292550e+06 1.10291901e+06 7.89e-13 3.90e-13 2.28e-04 0s 9 1.10292261e+06 1.10291916e+06 5.68e-13 2.62e-13 1.21e-04 0s 10 1.10292127e+06 1.10291934e+06 3.77e-13 5.87e-13 6.76e-05 0s 11 1.10292093e+06 1.10291935e+06 5.54e-13 3.45e-13 5.55e-05 0s 12 1.10292047e+06 1.10291956e+06 3.69e-13 8.22e-13 3.18e-05 1s Barrier solved model in 12 iterations and 0.52 seconds Optimal objective 1.10292047e+06