Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:41 2013 Optimize a model with 4200 rows, 6302 columns and 8400 nonzeros Model has 2100 quadratic constraints Presolve time: 0.01s Presolved: 4200 rows, 6302 columns, 8400 nonzeros Presolved model has 2100 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 6.300e+03 Factor NZ : 1.470e+04 (roughly 4 MBytes of memory) Factor Ops : 5.250e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.78188687e+06 0.00000000e+00 2.84e-14 4.87e-01 2.92e+02 0s 1 3.54388378e+05 7.25843855e+04 2.30e-08 4.98e-05 4.47e+01 0s 2 2.67417146e+05 2.13274378e+05 3.99e-08 6.14e-06 8.59e+00 0s 3 2.45925852e+05 2.36719863e+05 1.74e-08 9.27e-07 1.46e+00 0s 4 2.40011595e+05 2.39443550e+05 1.56e-09 3.20e-08 9.02e-02 0s 5 2.39883128e+05 2.39805660e+05 5.67e-10 2.99e-10 1.23e-02 0s 6 2.39814643e+05 2.39809077e+05 3.07e-11 3.55e-11 8.84e-04 0s 7 2.39811493e+05 2.39809250e+05 1.12e-11 2.40e-11 3.56e-04 0s 8 2.39810425e+05 2.39809598e+05 1.23e-09 1.69e-10 1.31e-04 0s 9 2.39810172e+05 2.39809678e+05 7.91e-10 4.00e-12 7.84e-05 0s 10 2.39810022e+05 2.39809680e+05 5.47e-10 3.14e-12 5.43e-05 0s 11 2.39809950e+05 2.39809687e+05 4.24e-10 5.84e-13 4.18e-05 0s 12 2.39809904e+05 2.39809692e+05 3.48e-10 3.52e-13 3.38e-05 0s Barrier solved model in 12 iterations and 0.11 seconds Optimal objective 2.39809904e+05