Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:56:36 2013 Optimize a model with 17800 rows, 26702 columns and 35600 nonzeros Model has 8900 quadratic constraints Presolve time: 0.02s Presolved: 17800 rows, 26702 columns, 35600 nonzeros Presolved model has 8900 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.670e+04 Factor NZ : 6.230e+04 (roughly 20 MBytes of memory) Factor Ops : 2.225e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.72526260e+06 0.00000000e+00 2.27e-13 4.96e-01 2.99e+02 0s 1 1.54396382e+06 3.07523968e+05 2.07e-07 4.89e-05 4.63e+01 0s 2 1.15127234e+06 9.07766151e+05 2.89e-08 3.49e-06 9.12e+00 0s 3 1.05833128e+06 1.01022007e+06 6.22e-09 4.09e-07 1.80e+00 0s 4 1.02666094e+06 1.02325574e+06 6.39e-14 6.48e-08 1.28e-01 0s 5 1.02600179e+06 1.02594894e+06 2.84e-14 3.68e-10 1.98e-03 0s 6 1.02597006e+06 1.02596490e+06 6.39e-14 1.53e-11 1.93e-04 0s 7 1.02596684e+06 1.02596557e+06 3.48e-13 5.84e-12 4.79e-05 0s 8 1.02596602e+06 1.02596573e+06 9.95e-14 5.93e-13 1.12e-05 0s Barrier solved model in 8 iterations and 0.34 seconds Optimal objective 1.02596602e+06