Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:11 2013 Optimize a model with 1100 rows, 1652 columns and 2200 nonzeros Model has 550 quadratic constraints Presolve time: 0.00s Presolved: 1100 rows, 1652 columns, 2200 nonzeros Presolved model has 550 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.650e+03 Factor NZ : 3.853e+03 (roughly 1 MByte of memory) Factor Ops : 1.376e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.61967445e+05 0.00000000e+00 2.84e-14 4.86e-01 2.89e+02 0s 1 9.22976262e+04 2.03248104e+04 1.23e-08 4.90e-05 4.36e+01 0s 2 7.20243486e+04 5.84316631e+04 4.62e-08 8.15e-06 8.24e+00 0s 3 6.62836623e+04 6.45390695e+04 2.16e-08 1.91e-06 1.06e+00 0s 4 6.49473448e+04 6.49118245e+04 2.71e-09 1.69e-07 2.15e-02 0s 5 6.49312919e+04 6.49277980e+04 4.77e-10 1.92e-08 2.12e-03 0s 6 6.49284577e+04 6.49279937e+04 2.11e-10 1.05e-09 2.81e-04 0s 7 6.49281512e+04 6.49280101e+04 7.71e-10 2.39e-09 8.55e-05 0s 8 6.49280564e+04 6.49280145e+04 2.14e-10 7.70e-10 2.54e-05 0s Barrier solved model in 8 iterations and 0.02 seconds Optimal objective 6.49280564e+04