Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:51:02 2013 Optimize a model with 12800 rows, 19202 columns and 25600 nonzeros Model has 6400 quadratic constraints Presolve time: 0.01s Presolved: 12800 rows, 19202 columns, 25600 nonzeros Presolved model has 6400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.920e+04 Factor NZ : 4.480e+04 (roughly 13 MBytes of memory) Factor Ops : 1.600e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.54959207e+06 0.00000000e+00 8.53e-14 4.90e-01 2.99e+02 0s 1 1.10705762e+06 2.21227482e+05 1.64e-08 4.90e-05 4.61e+01 0s 2 8.30397303e+05 6.57349299e+05 3.06e-08 3.35e-06 9.01e+00 0s 3 7.61579630e+05 7.28115738e+05 6.31e-09 5.16e-07 1.74e+00 0s 4 7.43488206e+05 7.36699411e+05 8.19e-10 1.44e-07 3.54e-01 0s 5 7.40351555e+05 7.38297696e+05 6.45e-12 7.92e-08 1.07e-01 0s 6 7.40289729e+05 7.40265749e+05 1.15e-12 4.19e-10 1.25e-03 0s 7 7.40280126e+05 7.40274250e+05 3.34e-13 8.76e-11 3.06e-04 0s 8 7.40277199e+05 7.40276480e+05 4.43e-10 4.06e-10 3.74e-05 0s Barrier solved model in 8 iterations and 0.24 seconds Optimal objective 7.40277199e+05