Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:30:30 2013 Optimize a model with 88000 rows, 132002 columns and 176000 nonzeros Model has 44000 quadratic constraints Presolve time: 0.10s Presolved: 88000 rows, 132002 columns, 176000 nonzeros Presolved model has 44000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.320e+05 Factor NZ : 3.080e+05 (roughly 100 MBytes of memory) Factor Ops : 1.100e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.77060225e+07 0.00000000e+00 4.86e-12 5.00e-01 2.95e+02 0s 1 7.60504680e+06 1.54571519e+06 9.15e-08 4.70e-05 4.59e+01 0s 2 5.70634121e+06 4.53544162e+06 1.32e-08 2.85e-06 8.87e+00 1s 3 5.24529149e+06 5.01991529e+06 2.91e-09 3.42e-07 1.71e+00 1s 4 5.12554398e+06 5.07477277e+06 5.07e-10 9.32e-08 3.85e-01 1s 5 5.09794637e+06 5.09192521e+06 1.87e-11 1.89e-08 4.56e-02 1s 6 5.09714875e+06 5.09644440e+06 7.60e-12 6.27e-10 5.34e-03 1s 7 5.09662917e+06 5.09659903e+06 3.27e-13 1.23e-11 2.28e-04 2s 8 5.09661724e+06 5.09660286e+06 3.13e-13 3.07e-12 1.09e-04 2s 9 5.09660942e+06 5.09660303e+06 8.10e-13 3.86e-12 4.84e-05 2s 10 5.09660680e+06 5.09660313e+06 1.11e-12 3.81e-12 2.78e-05 2s Barrier solved model in 10 iterations and 2.13 seconds Optimal objective 5.09660680e+06