Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:47:46 2013 Optimize a model with 8800 rows, 13202 columns and 17600 nonzeros Model has 4400 quadratic constraints Presolve time: 0.01s Presolved: 8800 rows, 13202 columns, 17600 nonzeros Presolved model has 4400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.320e+04 Factor NZ : 3.080e+04 (roughly 10 MBytes of memory) Factor Ops : 1.100e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.79954106e+06 0.00000000e+00 7.11e-14 4.84e-01 2.98e+02 0s 1 7.56973051e+05 1.51819204e+05 6.09e-08 4.92e-05 4.58e+01 0s 2 5.66906705e+05 4.47789478e+05 3.58e-08 3.89e-06 9.02e+00 0s 3 5.20545621e+05 4.98378262e+05 7.43e-09 5.03e-07 1.68e+00 0s 4 5.05891959e+05 5.04647155e+05 5.68e-14 6.26e-08 9.43e-02 0s 5 5.05604016e+05 5.05582940e+05 2.84e-14 2.15e-10 1.60e-03 0s 6 5.05588992e+05 5.05586272e+05 1.53e-10 3.69e-09 2.06e-04 0s 7 5.05587377e+05 5.05586467e+05 2.46e-09 1.54e-10 6.89e-05 0s 8 5.05586626e+05 5.05586478e+05 3.67e-10 1.33e-11 1.12e-05 0s Barrier solved model in 8 iterations and 0.16 seconds Optimal objective 5.05586626e+05