Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:29:03 2013 Optimize a model with 144000 rows, 216002 columns and 288000 nonzeros Model has 72000 quadratic constraints Presolve time: 0.17s Presolved: 144000 rows, 216002 columns, 288000 nonzeros Presolved model has 72000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.160e+05 Factor NZ : 5.040e+05 (roughly 150 MBytes of memory) Factor Ops : 1.800e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.10831108e+07 0.00000000e+00 1.16e-11 5.03e-01 2.92e+02 0s 1 1.24311456e+07 2.55360017e+06 8.12e-07 4.60e-05 4.57e+01 1s 2 9.33079558e+06 7.43278742e+06 7.27e-08 5.01e-06 8.79e+00 1s 3 8.57945646e+06 8.21738604e+06 1.59e-08 5.98e-07 1.68e+00 1s 4 8.39577833e+06 8.30805689e+06 3.62e-09 1.49e-07 4.06e-01 2s 5 8.34451239e+06 8.31580835e+06 2.16e-10 1.12e-07 1.33e-01 2s 6 8.34121537e+06 8.33054936e+06 4.48e-11 4.42e-08 4.94e-02 2s 7 8.34071170e+06 8.34013554e+06 2.11e-11 5.45e-10 2.67e-03 3s 8 8.34029298e+06 8.34024024e+06 1.70e-12 8.15e-11 2.44e-04 3s 9 8.34027206e+06 8.34025725e+06 7.18e-13 1.20e-11 6.86e-05 3s 10 8.34026560e+06 8.34025847e+06 6.04e-13 3.48e-12 3.30e-05 4s Barrier solved model in 10 iterations and 3.53 seconds Optimal objective 8.34026560e+06