Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:29:26 2013 Optimize a model with 88000 rows, 132002 columns and 176000 nonzeros Model has 44000 quadratic constraints Presolve time: 0.10s Presolved: 88000 rows, 132002 columns, 176000 nonzeros Presolved model has 44000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.320e+05 Factor NZ : 3.080e+05 (roughly 100 MBytes of memory) Factor Ops : 1.100e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.78256673e+07 0.00000000e+00 5.31e-12 5.05e-01 2.96e+02 0s 1 7.65001261e+06 1.54988537e+06 5.00e-07 4.73e-05 4.62e+01 0s 2 5.73045095e+06 4.54576390e+06 7.22e-08 2.89e-06 8.97e+00 1s 3 5.26480174e+06 5.03517794e+06 1.60e-08 3.52e-07 1.74e+00 1s 4 5.15124688e+06 5.09357042e+06 3.88e-09 8.51e-08 4.37e-01 1s 5 5.11765640e+06 5.11173792e+06 3.61e-10 5.72e-09 4.48e-02 1s 6 5.11392399e+06 5.11309233e+06 2.25e-11 1.56e-09 6.30e-03 1s 7 5.11370182e+06 5.11363318e+06 4.69e-12 2.31e-11 5.20e-04 2s 8 5.11366030e+06 5.11364219e+06 1.45e-12 1.73e-12 1.37e-04 2s 9 5.11364953e+06 5.11364243e+06 1.24e-12 2.10e-12 5.38e-05 2s 10 5.11364657e+06 5.11364250e+06 2.29e-12 3.26e-12 3.09e-05 2s Barrier solved model in 10 iterations and 2.13 seconds Optimal objective 5.11364657e+06