Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:07:38 2013 Optimize a model with 50000 rows, 75002 columns and 100000 nonzeros Model has 25000 quadratic constraints Presolve time: 0.05s Presolved: 50000 rows, 75002 columns, 100000 nonzeros Presolved model has 25000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 7.500e+04 Factor NZ : 1.750e+05 (roughly 50 MBytes of memory) Factor Ops : 6.250e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.16796385e+07 0.00000000e+00 1.52e-12 5.05e-01 2.99e+02 0s 1 4.37215932e+06 8.78255827e+05 1.37e-07 4.82e-05 4.66e+01 0s 2 3.26107198e+06 2.57780880e+06 9.90e-09 3.02e-06 9.11e+00 0s 3 2.99870633e+06 2.86205211e+06 2.15e-09 3.64e-07 1.82e+00 0s 4 2.91845307e+06 2.90501117e+06 2.19e-10 1.26e-08 1.79e-01 1s 5 2.90765873e+06 2.90720282e+06 8.40e-12 1.30e-12 6.08e-03 1s 6 2.90728912e+06 2.90722209e+06 1.35e-12 1.21e-12 8.94e-04 1s 7 2.90723740e+06 2.90722527e+06 3.69e-13 8.99e-13 1.62e-04 1s 8 2.90723030e+06 2.90722644e+06 3.62e-13 1.68e-12 5.14e-05 1s 9 2.90722806e+06 2.90722689e+06 1.49e-12 8.73e-12 1.55e-05 1s Barrier solved model in 9 iterations and 1.11 seconds Optimal objective 2.90722806e+06