Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:41 2013 Optimize a model with 4200 rows, 6302 columns and 8400 nonzeros Model has 2100 quadratic constraints Presolve time: 0.00s Presolved: 4200 rows, 6302 columns, 8400 nonzeros Presolved model has 2100 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 6.300e+03 Factor NZ : 1.470e+04 (roughly 4 MBytes of memory) Factor Ops : 5.250e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.81983157e+06 0.00000000e+00 2.84e-14 4.85e-01 2.99e+02 0s 1 3.63842251e+05 7.20828805e+04 3.46e-08 4.98e-05 4.63e+01 0s 2 2.70116022e+05 2.12470939e+05 1.84e-08 6.36e-06 9.15e+00 0s 3 2.46596694e+05 2.38292223e+05 5.73e-09 7.57e-07 1.32e+00 0s 4 2.40758340e+05 2.40128847e+05 3.37e-10 1.74e-07 9.99e-02 0s 5 2.40592629e+05 2.40582578e+05 7.93e-12 1.25e-09 1.60e-03 0s 6 2.40590012e+05 2.40586147e+05 4.33e-12 1.57e-10 6.14e-04 0s 7 2.40588231e+05 2.40586630e+05 1.91e-12 4.73e-11 2.54e-04 0s 8 2.40587484e+05 2.40586679e+05 8.17e-13 3.83e-11 1.28e-04 0s 9 2.40587186e+05 2.40586798e+05 3.77e-13 1.90e-11 6.15e-05 0s 10 2.40587141e+05 2.40586916e+05 3.13e-13 3.39e-12 3.58e-05 0s Barrier solved model in 10 iterations and 0.10 seconds Optimal objective 2.40587141e+05