Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:10 2013 Optimize a model with 1080 rows, 1622 columns and 2160 nonzeros Model has 540 quadratic constraints Presolve time: 0.00s Presolved: 1080 rows, 1622 columns, 2160 nonzeros Presolved model has 540 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.620e+03 Factor NZ : 3.783e+03 (roughly 1 MByte of memory) Factor Ops : 1.350e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.55238518e+05 0.00000000e+00 2.84e-14 4.88e-01 2.90e+02 0s 1 9.13136468e+04 1.87138018e+04 1.26e-08 4.99e-05 4.48e+01 0s 2 7.17676223e+04 5.41696893e+04 1.47e-08 6.69e-06 1.09e+01 0s 3 6.34972940e+04 6.10431427e+04 1.34e-08 1.25e-06 1.51e+00 0s 4 6.13246426e+04 6.12994359e+04 8.30e-10 3.67e-08 1.56e-02 0s 5 6.13188713e+04 6.13146656e+04 3.55e-10 3.39e-09 2.60e-03 0s 6 6.13154172e+04 6.13148009e+04 5.39e-11 2.65e-13 3.80e-04 0s 7 6.13149393e+04 6.13148271e+04 9.89e-12 4.24e-13 6.93e-05 0s 8 6.13148804e+04 6.13148374e+04 3.72e-12 5.80e-13 2.65e-05 0s Barrier solved model in 8 iterations and 0.02 seconds Optimal objective 6.13148804e+04