Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:48:21 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 4.16806059e+06 0.00000000e+00 5.68e-14 4.89e-01 2.99e+02 0s 1 8.34401641e+05 1.66106733e+05 1.93e-07 4.94e-05 4.64e+01 0s 2 6.21782396e+05 4.89537071e+05 9.74e-08 6.37e-06 9.18e+00 0s 3 5.68526292e+05 5.45322832e+05 1.46e-08 1.04e-06 1.61e+00 0s 4 5.55575900e+05 5.53326501e+05 2.60e-09 8.59e-08 1.56e-01 0s 5 5.54089706e+05 5.53986924e+05 8.27e-11 6.02e-09 7.14e-03 0s 6 5.54045968e+05 5.54039668e+05 9.19e-12 2.96e-11 4.38e-04 0s 7 5.54041928e+05 5.54040134e+05 2.85e-12 6.03e-13 1.25e-04 0s 8 5.54041163e+05 5.54040232e+05 1.76e-12 1.08e-13 6.46e-05 0s 9 5.54040982e+05 5.54040237e+05 2.50e-12 4.39e-13 5.17e-05 0s 10 5.54040765e+05 5.54040264e+05 1.66e-12 2.91e-11 3.48e-05 0s Barrier solved model in 10 iterations and 0.22 seconds Optimal objective 5.54040765e+05