Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:47:51 2013 Optimize a model with 8800 rows, 13202 columns and 17600 nonzeros Model has 4400 quadratic constraints Presolve time: 0.01s Presolved: 8800 rows, 13202 columns, 17600 nonzeros Presolved model has 4400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.320e+04 Factor NZ : 3.080e+04 (roughly 10 MBytes of memory) Factor Ops : 1.100e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.81660775e+06 0.00000000e+00 7.11e-14 4.97e-01 2.99e+02 0s 1 7.56926831e+05 1.53678721e+05 9.44e-08 4.92e-05 4.57e+01 0s 2 5.73950040e+05 4.57029661e+05 8.79e-08 3.67e-06 8.86e+00 0s 3 5.27031855e+05 5.05155027e+05 2.13e-08 5.20e-07 1.66e+00 0s 4 5.13158747e+05 5.11263822e+05 7.82e-14 9.65e-08 1.44e-01 0s 5 5.12780110e+05 5.12757484e+05 2.84e-14 4.91e-10 1.71e-03 0s 6 5.12767860e+05 5.12765683e+05 1.58e-10 2.68e-09 1.65e-04 0s 7 5.12766546e+05 5.12765810e+05 5.55e-11 2.38e-10 5.58e-05 0s 8 5.12766029e+05 5.12765829e+05 1.52e-11 2.77e-12 1.52e-05 0s Barrier solved model in 8 iterations and 0.16 seconds Optimal objective 5.12766029e+05