Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:46:35 2013 Optimize a model with 6600 rows, 9902 columns and 13200 nonzeros Model has 3300 quadratic constraints Presolve time: 0.01s Presolved: 6600 rows, 9902 columns, 13200 nonzeros Presolved model has 3300 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 9.900e+03 Factor NZ : 2.310e+04 (roughly 7 MBytes of memory) Factor Ops : 8.250e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.84492759e+06 0.00000000e+00 4.26e-14 4.97e-01 2.97e+02 0s 1 5.66297778e+05 1.13343789e+05 4.73e-08 4.88e-05 4.58e+01 0s 2 4.23849667e+05 3.34786866e+05 4.86e-08 3.90e-06 9.00e+00 0s 3 3.88270670e+05 3.72132416e+05 9.66e-09 4.66e-07 1.63e+00 0s 4 3.79575584e+05 3.76720590e+05 1.24e-09 1.01e-07 2.88e-01 0s 5 3.78067883e+05 3.78017339e+05 1.21e-11 1.25e-09 5.11e-03 0s 6 3.78050413e+05 3.78044095e+05 1.49e-10 7.64e-09 6.38e-04 0s 7 3.78045067e+05 3.78044304e+05 1.64e-11 7.55e-13 7.70e-05 0s 8 3.78044767e+05 3.78044307e+05 9.74e-12 8.15e-13 4.64e-05 0s 9 3.78044470e+05 3.78044321e+05 2.87e-12 3.62e-12 1.51e-05 0s Barrier solved model in 9 iterations and 0.14 seconds Optimal objective 3.78044470e+05