Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:41 2013 Optimize a model with 4200 rows, 6302 columns and 8400 nonzeros Model has 2100 quadratic constraints Presolve time: 0.01s Presolved: 4200 rows, 6302 columns, 8400 nonzeros Presolved model has 2100 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 6.300e+03 Factor NZ : 1.470e+04 (roughly 4 MBytes of memory) Factor Ops : 5.250e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.80412040e+06 0.00000000e+00 2.84e-14 4.92e-01 2.96e+02 0s 1 3.60005070e+05 7.25484493e+04 2.49e-08 4.95e-05 4.56e+01 0s 2 2.70337896e+05 2.13400591e+05 9.62e-09 6.41e-06 9.04e+00 0s 3 2.46479624e+05 2.36489437e+05 1.48e-09 9.87e-07 1.59e+00 0s 4 2.41258714e+05 2.39668261e+05 1.81e-11 2.79e-07 2.52e-01 0s 5 2.40998408e+05 2.40941546e+05 1.47e-10 1.29e-08 9.03e-03 0s 6 2.40984027e+05 2.40980694e+05 1.19e-11 5.66e-10 5.29e-04 0s 7 2.40983079e+05 2.40982268e+05 8.79e-10 1.06e-09 1.29e-04 0s 8 2.40982648e+05 2.40982369e+05 2.80e-10 3.77e-10 4.43e-05 0s 9 2.40982517e+05 2.40982406e+05 1.05e-10 1.50e-10 1.76e-05 0s Barrier solved model in 9 iterations and 0.09 seconds Optimal objective 2.40982517e+05