Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:47:41 2013 Optimize a model with 8600 rows, 12902 columns and 17200 nonzeros Model has 4300 quadratic constraints Presolve time: 0.01s Presolved: 8600 rows, 12902 columns, 17200 nonzeros Presolved model has 4300 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.290e+04 Factor NZ : 3.010e+04 (roughly 9 MBytes of memory) Factor Ops : 1.075e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.72479961e+06 0.00000000e+00 5.68e-14 4.94e-01 2.98e+02 0s 1 7.40610497e+05 1.48861228e+05 4.50e-08 4.97e-05 4.59e+01 0s 2 5.55581765e+05 4.39651463e+05 1.06e-07 6.26e-06 8.99e+00 0s 3 5.10781891e+05 4.87875389e+05 3.17e-08 8.63e-07 1.78e+00 0s 4 4.96922460e+05 4.94211843e+05 1.61e-09 1.70e-07 2.10e-01 0s 5 4.95813493e+05 4.95795744e+05 1.91e-11 1.85e-10 1.38e-03 0s 6 4.95803158e+05 4.95799382e+05 1.77e-10 1.20e-09 2.93e-04 0s 7 4.95801107e+05 4.95799581e+05 7.35e-11 1.31e-10 1.18e-04 0s 8 4.95800462e+05 4.95799625e+05 4.13e-11 4.36e-12 6.49e-05 0s 9 4.95800100e+05 4.95799632e+05 2.31e-11 9.77e-13 3.63e-05 0s Barrier solved model in 9 iterations and 0.18 seconds Optimal objective 4.95800100e+05