Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:53 2013 Optimize a model with 4800 rows, 7202 columns and 9600 nonzeros Model has 2400 quadratic constraints Presolve time: 0.01s Presolved: 4800 rows, 7202 columns, 9600 nonzeros Presolved model has 2400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 7.200e+03 Factor NZ : 1.680e+04 (roughly 5 MBytes of memory) Factor Ops : 6.000e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.07249447e+06 0.00000000e+00 4.26e-14 5.02e-01 2.97e+02 0s 1 4.11698673e+05 8.31116704e+04 3.52e-08 4.90e-05 4.56e+01 0s 2 3.09769659e+05 2.45152829e+05 5.98e-08 3.98e-06 8.97e+00 0s 3 2.83028796e+05 2.72324150e+05 1.79e-08 6.79e-07 1.49e+00 0s 4 2.77857848e+05 2.75478044e+05 3.61e-09 1.68e-07 3.31e-01 0s 5 2.76587824e+05 2.75653968e+05 2.84e-14 1.41e-07 1.30e-01 0s 6 2.76557180e+05 2.76529370e+05 7.19e-11 1.11e-08 3.86e-03 0s 7 2.76556175e+05 2.76544867e+05 2.83e-11 4.52e-09 1.57e-03 0s 8 2.76555968e+05 2.76550425e+05 3.14e-11 2.52e-09 7.70e-04 0s 9 2.76555756e+05 2.76551979e+05 1.47e-10 1.77e-09 5.25e-04 0s 10 2.76555435e+05 2.76553759e+05 2.45e-10 8.80e-10 2.33e-04 0s 11 2.76555405e+05 2.76554289e+05 2.11e-10 6.06e-10 1.55e-04 0s 12 2.76555288e+05 2.76554462e+05 8.07e-11 4.91e-10 1.15e-04 0s 13 2.76555224e+05 2.76554570e+05 1.16e-11 4.19e-10 9.09e-05 0s 14 2.76555198e+05 2.76554953e+05 1.45e-12 1.60e-10 3.39e-05 0s Barrier solved model in 14 iterations and 0.15 seconds Optimal objective 2.76555198e+05