Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:41 2013 Optimize a model with 1580 rows, 2372 columns and 3160 nonzeros Model has 790 quadratic constraints Presolve time: 0.00s Presolved: 1580 rows, 2372 columns, 3160 nonzeros Presolved model has 790 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.370e+03 Factor NZ : 5.533e+03 (roughly 2 MBytes of memory) Factor Ops : 1.976e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.81794133e+05 0.00000000e+00 2.84e-14 4.78e-01 2.98e+02 0s 1 1.33790397e+05 2.72118212e+04 1.22e-08 5.15e-05 4.50e+01 0s 2 1.01414122e+05 8.04344362e+04 2.87e-08 6.72e-06 8.85e+00 0s 3 9.30226454e+04 8.90411805e+04 4.84e-09 1.18e-06 1.68e+00 0s 4 9.06295419e+04 9.05188288e+04 2.19e-09 5.02e-08 4.67e-02 0s 5 9.05473382e+04 9.05364823e+04 2.35e-10 4.46e-10 4.58e-03 0s 6 9.05384780e+04 9.05372528e+04 6.35e-10 1.33e-09 5.17e-04 0s 7 9.05376173e+04 9.05373529e+04 2.58e-09 8.54e-11 1.12e-04 0s 8 9.05374807e+04 9.05373931e+04 8.71e-10 7.23e-13 3.70e-05 0s Barrier solved model in 8 iterations and 0.03 seconds Optimal objective 9.05374807e+04