Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:58:40 2013 Optimize a model with 19200 rows, 28802 columns and 38400 nonzeros Model has 9600 quadratic constraints Presolve time: 0.02s Presolved: 19200 rows, 28802 columns, 38400 nonzeros Presolved model has 9600 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.880e+04 Factor NZ : 6.720e+04 (roughly 20 MBytes of memory) Factor Ops : 2.400e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.35606677e+06 0.00000000e+00 3.13e-13 4.98e-01 3.00e+02 0s 1 1.67638853e+06 3.34972715e+05 7.94e-08 4.94e-05 4.66e+01 0s 2 1.25173719e+06 9.86857710e+05 1.09e-07 6.30e-06 9.20e+00 0s 3 1.15112634e+06 1.09759297e+06 2.81e-08 8.55e-07 1.86e+00 0s 4 1.11870611e+06 1.11205483e+06 2.06e-09 1.53e-07 2.31e-01 0s 5 1.11763076e+06 1.11543979e+06 1.37e-09 1.05e-09 7.61e-02 0s 6 1.11554928e+06 1.11548956e+06 3.48e-11 2.31e-13 2.07e-03 0s 7 1.11550144e+06 1.11549191e+06 5.57e-12 2.56e-13 3.31e-04 0s 8 1.11549561e+06 1.11549230e+06 2.71e-09 7.65e-11 1.15e-04 0s 9 1.11549352e+06 1.11549241e+06 8.84e-10 8.53e-12 3.85e-05 0s Barrier solved model in 9 iterations and 0.39 seconds Optimal objective 1.11549352e+06