Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:53:25 2013 Optimize a model with 15200 rows, 22802 columns and 30400 nonzeros Model has 7600 quadratic constraints Presolve time: 0.02s Presolved: 15200 rows, 22802 columns, 30400 nonzeros Presolved model has 7600 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.280e+04 Factor NZ : 5.320e+04 (roughly 16 MBytes of memory) Factor Ops : 1.900e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.61892114e+06 0.00000000e+00 1.56e-13 5.08e-01 3.00e+02 0s 1 1.32723645e+06 2.66632797e+05 4.68e-08 4.85e-05 4.65e+01 0s 2 9.94523303e+05 7.88181894e+05 6.71e-09 3.00e-06 9.05e+00 0s 3 9.13343829e+05 8.74465008e+05 1.32e-09 3.51e-07 1.71e+00 0s 4 8.88911498e+05 8.84375113e+05 3.40e-11 8.50e-08 1.99e-01 0s 5 8.87713151e+05 8.87678411e+05 7.53e-13 7.33e-11 1.52e-03 0s 6 8.87690980e+05 8.87684933e+05 2.49e-13 6.30e-12 2.65e-04 0s 7 8.87687175e+05 8.87685788e+05 1.35e-13 7.14e-13 6.08e-05 0s 8 8.87686419e+05 8.87685891e+05 6.18e-13 2.95e-13 2.31e-05 0s Barrier solved model in 8 iterations and 0.29 seconds Optimal objective 8.87686419e+05