Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:48:23 2013 Optimize a model with 9600 rows, 14402 columns and 19200 nonzeros Model has 4800 quadratic constraints Presolve time: 0.01s Presolved: 9600 rows, 14402 columns, 19200 nonzeros Presolved model has 4800 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.440e+04 Factor NZ : 3.360e+04 (roughly 10 MBytes of memory) Factor Ops : 1.200e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.16374297e+06 0.00000000e+00 4.26e-14 4.88e-01 2.99e+02 0s 1 8.17002858e+05 1.65117193e+05 3.16e-08 4.92e-05 4.53e+01 0s 2 6.18722716e+05 4.92592339e+05 4.89e-08 3.39e-06 8.76e+00 0s 3 5.68565736e+05 5.44605674e+05 9.12e-09 5.15e-07 1.66e+00 0s 4 5.55082203e+05 5.51550890e+05 8.77e-10 1.00e-07 2.45e-01 0s 5 5.54501198e+05 5.52909119e+05 5.79e-10 2.43e-08 1.11e-01 0s 6 5.53512446e+05 5.53351240e+05 7.23e-11 3.85e-10 1.12e-02 0s 7 5.53371643e+05 5.53360202e+05 4.33e-12 1.83e-11 7.95e-04 0s 8 5.53364391e+05 5.53360922e+05 1.37e-12 2.04e-12 2.41e-04 0s 9 5.53362997e+05 5.53361079e+05 8.67e-13 8.08e-14 1.33e-04 0s 10 5.53362396e+05 5.53361129e+05 9.09e-13 3.10e-13 8.80e-05 0s 11 5.53361568e+05 5.53361177e+05 2.84e-13 2.25e-13 2.71e-05 0s Barrier solved model in 11 iterations and 0.26 seconds Optimal objective 5.53361568e+05