Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:51:16 2013 Optimize a model with 13200 rows, 19802 columns and 26400 nonzeros Model has 6600 quadratic constraints Presolve time: 0.01s Presolved: 13200 rows, 19802 columns, 26400 nonzeros Presolved model has 6600 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.980e+04 Factor NZ : 4.620e+04 (roughly 14 MBytes of memory) Factor Ops : 1.650e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.75827231e+06 0.00000000e+00 1.35e-13 5.10e-01 3.00e+02 0s 1 1.15615480e+06 2.30956422e+05 1.36e-07 4.91e-05 4.67e+01 0s 2 8.63299793e+05 6.80798447e+05 5.68e-08 3.87e-06 9.22e+00 0s 3 7.90829303e+05 7.53752231e+05 1.70e-08 6.16e-07 1.87e+00 0s 4 7.73874439e+05 7.65011972e+05 3.86e-09 1.51e-07 4.48e-01 0s 5 7.69395485e+05 7.66839002e+05 2.35e-10 7.95e-08 1.29e-01 0s 6 7.68938463e+05 7.68663716e+05 1.56e-12 1.01e-08 1.39e-02 0s 7 7.68934774e+05 7.68930135e+05 7.11e-13 5.76e-11 2.34e-04 0s 8 7.68932287e+05 7.68931427e+05 2.13e-13 1.02e-11 4.35e-05 0s 9 7.68931996e+05 7.68931714e+05 1.99e-13 4.02e-13 1.43e-05 0s Barrier solved model in 9 iterations and 0.28 seconds Optimal objective 7.68931996e+05