Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:04:53 2013 Optimize a model with 42000 rows, 63002 columns and 84000 nonzeros Model has 21000 quadratic constraints Presolve time: 0.04s Presolved: 42000 rows, 63002 columns, 84000 nonzeros Presolved model has 21000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 6.300e+04 Factor NZ : 1.470e+05 (roughly 40 MBytes of memory) Factor Ops : 5.250e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.81758455e+07 0.00000000e+00 1.14e-12 5.00e-01 2.98e+02 0s 1 3.65231018e+06 7.30721560e+05 9.08e-08 4.86e-05 4.64e+01 0s 2 2.73170238e+06 2.15960957e+06 1.31e-08 3.02e-06 9.08e+00 0s 3 2.51625732e+06 2.39644498e+06 2.82e-09 3.70e-07 1.90e+00 0s 4 2.43824830e+06 2.43013619e+06 5.34e-11 4.06e-08 1.29e-01 1s 5 2.43479829e+06 2.43468805e+06 1.34e-12 9.98e-11 1.75e-03 1s 6 2.43471946e+06 2.43470746e+06 2.34e-13 1.01e-12 1.91e-04 1s 7 2.43470949e+06 2.43470793e+06 4.55e-13 1.94e-13 2.48e-05 1s Barrier solved model in 7 iterations and 0.74 seconds Optimal objective 2.43470949e+06