Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:28 2013 Optimize a model with 3400 rows, 5102 columns and 6800 nonzeros Model has 1700 quadratic constraints Presolve time: 0.00s Presolved: 3400 rows, 5102 columns, 6800 nonzeros Presolved model has 1700 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 5.100e+03 Factor NZ : 1.190e+04 (roughly 4 MBytes of memory) Factor Ops : 4.250e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.45804417e+06 0.00000000e+00 2.84e-14 4.89e-01 2.96e+02 0s 1 2.90608561e+05 5.80122023e+04 3.68e-08 4.98e-05 4.56e+01 0s 2 2.17486867e+05 1.71015930e+05 3.23e-08 6.54e-06 9.11e+00 0s 3 1.98064623e+05 1.89872752e+05 7.73e-09 8.89e-07 1.61e+00 0s 4 1.93637791e+05 1.92549635e+05 4.26e-14 2.31e-07 2.13e-01 0s 5 1.93531136e+05 1.93511836e+05 1.95e-10 7.22e-09 3.78e-03 0s 6 1.93523765e+05 1.93520520e+05 2.95e-11 1.29e-09 6.36e-04 0s 7 1.93522637e+05 1.93521735e+05 1.91e-09 9.83e-10 1.77e-04 0s 8 1.93522459e+05 1.93522293e+05 5.12e-10 1.44e-10 3.26e-05 0s Barrier solved model in 8 iterations and 0.06 seconds Optimal objective 1.93522459e+05