Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:10 2013 Optimize a model with 1080 rows, 1622 columns and 2160 nonzeros Model has 540 quadratic constraints Presolve time: 0.00s Presolved: 1080 rows, 1622 columns, 2160 nonzeros Presolved model has 540 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.620e+03 Factor NZ : 3.783e+03 (roughly 1 MByte of memory) Factor Ops : 1.350e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.46075722e+05 0.00000000e+00 2.84e-14 4.51e-01 2.85e+02 0s 1 8.78021269e+04 1.81929838e+04 9.54e-09 4.89e-05 4.30e+01 0s 2 6.65277820e+04 5.34514525e+04 6.37e-09 8.03e-06 8.07e+00 0s 3 6.08924463e+04 5.94912387e+04 6.74e-09 1.70e-06 8.65e-01 0s 4 6.00221868e+04 5.99526051e+04 2.52e-10 1.13e-07 4.30e-02 0s 5 5.99889780e+04 5.99805780e+04 2.03e-10 6.39e-09 5.19e-03 0s 6 5.99836223e+04 5.99834833e+04 2.75e-12 1.58e-11 8.58e-05 0s 7 5.99835385e+04 5.99835155e+04 8.68e-10 1.38e-09 1.42e-05 0s Barrier solved model in 7 iterations and 0.02 seconds Optimal objective 5.99835385e+04