Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:32 2013 Optimize a model with 3600 rows, 5402 columns and 7200 nonzeros Model has 1800 quadratic constraints Presolve time: 0.00s Presolved: 3600 rows, 5402 columns, 7200 nonzeros Presolved model has 1800 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 5.400e+03 Factor NZ : 1.260e+04 (roughly 4 MBytes of memory) Factor Ops : 4.500e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.53980795e+06 0.00000000e+00 2.84e-14 4.90e-01 2.95e+02 0s 1 3.12145808e+05 6.32534608e+04 1.27e-08 5.00e-05 4.61e+01 0s 2 2.33013230e+05 1.83191258e+05 8.82e-09 6.85e-06 9.23e+00 0s 3 2.12175401e+05 2.03961626e+05 4.94e-09 1.19e-06 1.52e+00 0s 4 2.07593918e+05 2.07032061e+05 6.88e-10 1.73e-07 1.04e-01 0s 5 2.07462969e+05 2.07454741e+05 1.46e-10 6.64e-09 1.52e-03 0s 6 2.07458461e+05 2.07457844e+05 4.69e-11 3.68e-09 1.14e-04 0s 7 2.07458025e+05 2.07457906e+05 8.25e-12 8.83e-10 2.21e-05 0s Barrier solved model in 7 iterations and 0.06 seconds Optimal objective 2.07458025e+05