Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:15 2013 Optimize a model with 1180 rows, 1772 columns and 2360 nonzeros Model has 590 quadratic constraints Presolve time: 0.00s Presolved: 1180 rows, 1772 columns, 2360 nonzeros Presolved model has 590 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.770e+03 Factor NZ : 4.133e+03 (roughly 1 MByte of memory) Factor Ops : 1.476e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.09489628e+05 0.00000000e+00 2.84e-14 4.85e-01 2.97e+02 0s 1 1.00159157e+05 2.02424091e+04 4.88e-09 4.96e-05 4.52e+01 0s 2 7.88748768e+04 5.98008224e+04 1.30e-08 6.37e-06 1.08e+01 0s 3 6.96964632e+04 6.69562890e+04 1.39e-09 1.41e-06 1.55e+00 0s 4 6.75467194e+04 6.75116872e+04 3.25e-09 4.71e-08 1.98e-02 0s 5 6.75345718e+04 6.75293960e+04 8.75e-10 5.67e-09 2.92e-03 0s 6 6.75296832e+04 6.75294439e+04 4.07e-11 7.31e-09 1.35e-04 0s 7 6.75295736e+04 6.75294798e+04 1.79e-11 3.90e-10 5.30e-05 0s 8 6.75295155e+04 6.75294840e+04 5.17e-12 1.99e-10 1.78e-05 0s Barrier solved model in 8 iterations and 0.02 seconds Optimal objective 6.75295155e+04