Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:11 2013 Optimize a model with 1120 rows, 1682 columns and 2240 nonzeros Model has 560 quadratic constraints Presolve time: 0.00s Presolved: 1120 rows, 1682 columns, 2240 nonzeros Presolved model has 560 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.680e+03 Factor NZ : 3.923e+03 (roughly 1 MByte of memory) Factor Ops : 1.400e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.80680628e+05 0.00000000e+00 2.84e-14 5.22e-01 2.95e+02 0s 1 9.69695123e+04 2.08530808e+04 1.97e-09 4.94e-05 4.53e+01 0s 2 7.53324811e+04 5.97918920e+04 8.67e-09 7.22e-06 9.25e+00 0s 3 6.89849913e+04 6.60928686e+04 3.45e-09 1.14e-06 1.72e+00 0s 4 6.71693135e+04 6.70366883e+04 4.14e-10 1.52e-07 7.89e-02 0s 5 6.71247894e+04 6.71216448e+04 2.08e-11 1.35e-09 1.87e-03 0s 6 6.71229302e+04 6.71222643e+04 4.58e-10 1.79e-09 3.96e-04 0s 7 6.71225894e+04 6.71223423e+04 1.47e-10 8.82e-10 1.47e-04 0s 8 6.71224979e+04 6.71224194e+04 6.40e-11 4.17e-11 4.67e-05 0s 9 6.71224584e+04 6.71224243e+04 2.87e-11 2.63e-12 2.03e-05 0s Barrier solved model in 9 iterations and 0.03 seconds Optimal objective 6.71224584e+04