Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:37 2013 Optimize a model with 1540 rows, 2312 columns and 3080 nonzeros Model has 770 quadratic constraints Presolve time: 0.00s Presolved: 1540 rows, 2312 columns, 3080 nonzeros Presolved model has 770 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.310e+03 Factor NZ : 5.393e+03 (roughly 2 MBytes of memory) Factor Ops : 1.926e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.58209496e+05 0.00000000e+00 2.84e-14 4.96e-01 2.94e+02 0s 1 1.32843875e+05 2.77053547e+04 3.28e-09 5.05e-05 4.55e+01 0s 2 1.01101551e+05 8.03635633e+04 1.96e-08 6.67e-06 8.98e+00 0s 3 9.22872458e+04 8.87849990e+04 2.55e-09 1.19e-06 1.52e+00 0s 4 9.04280868e+04 8.96795962e+04 1.06e-11 5.09e-07 3.24e-01 0s 5 9.03937813e+04 9.01858598e+04 2.79e-10 1.92e-07 9.00e-02 0s 6 9.03831460e+04 9.03710030e+04 1.07e-10 2.83e-08 5.26e-03 0s 7 9.03819358e+04 9.03795745e+04 5.33e-13 5.67e-09 1.02e-03 0s 8 9.03816741e+04 9.03807343e+04 1.99e-13 2.22e-09 4.07e-04 0s 9 9.03815404e+04 9.03808643e+04 7.11e-14 1.84e-09 2.93e-04 0s 10 9.03814651e+04 9.03809816e+04 3.55e-14 1.47e-09 2.09e-04 0s 11 9.03814505e+04 9.03810537e+04 3.55e-14 1.24e-09 1.72e-04 0s 12 9.03814361e+04 9.03813231e+04 1.53e-09 5.25e-10 4.89e-05 0s 13 9.03814312e+04 9.03813827e+04 1.06e-09 2.01e-10 2.10e-05 0s Barrier solved model in 13 iterations and 0.05 seconds Optimal objective 9.03814312e+04