Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:47:52 2013 Optimize a model with 8800 rows, 13202 columns and 17600 nonzeros Model has 4400 quadratic constraints Presolve time: 0.01s Presolved: 8800 rows, 13202 columns, 17600 nonzeros Presolved model has 4400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.320e+04 Factor NZ : 3.080e+04 (roughly 10 MBytes of memory) Factor Ops : 1.100e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.81043515e+06 0.00000000e+00 5.68e-14 4.87e-01 2.99e+02 0s 1 7.59036463e+05 1.50575116e+05 4.45e-08 4.90e-05 4.61e+01 0s 2 5.66936916e+05 4.47636913e+05 6.50e-09 6.15e-06 9.04e+00 0s 3 5.19916901e+05 4.99467996e+05 1.08e-08 8.06e-07 1.55e+00 0s 4 5.05502262e+05 5.05152382e+05 5.64e-10 2.11e-09 2.65e-02 0s 5 5.05302611e+05 5.05266374e+05 8.37e-11 9.54e-12 2.75e-03 0s 6 5.05274237e+05 5.05267522e+05 1.91e-10 2.16e-10 5.09e-04 0s 7 5.05269680e+05 5.05267821e+05 5.49e-10 4.81e-11 1.41e-04 0s 8 5.05268532e+05 5.05267982e+05 1.61e-10 5.99e-13 4.17e-05 0s 9 5.05268366e+05 5.05268039e+05 1.01e-10 6.56e-13 2.48e-05 0s Barrier solved model in 9 iterations and 0.18 seconds Optimal objective 5.05268366e+05