Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:17 2013 Optimize a model with 2400 rows, 3602 columns and 4800 nonzeros Model has 1200 quadratic constraints Presolve time: 0.00s Presolved: 2400 rows, 3602 columns, 4800 nonzeros Presolved model has 1200 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.600e+03 Factor NZ : 8.403e+03 (roughly 2 MBytes of memory) Factor Ops : 3.000e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.03121440e+06 0.00000000e+00 2.84e-14 4.99e-01 2.96e+02 0s 1 2.09192662e+05 4.29619165e+04 1.00e-08 4.98e-05 4.62e+01 0s 2 1.57397335e+05 1.24275849e+05 3.36e-08 6.85e-06 9.20e+00 0s 3 1.43681744e+05 1.39885582e+05 8.93e-09 3.59e-07 1.05e+00 0s 4 1.40332583e+05 1.40232572e+05 2.04e-09 2.13e-08 2.78e-02 0s 5 1.40289486e+05 1.40285894e+05 1.28e-10 2.38e-10 9.98e-04 0s 6 1.40287024e+05 1.40286606e+05 8.14e-11 3.73e-09 1.16e-04 0s 7 1.40286753e+05 1.40286629e+05 2.32e-11 9.04e-10 3.45e-05 0s Barrier solved model in 7 iterations and 0.04 seconds Optimal objective 1.40286753e+05