Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:52:02 2013 Optimize a model with 13800 rows, 20702 columns and 27600 nonzeros Model has 6900 quadratic constraints Presolve time: 0.01s Presolved: 13800 rows, 20702 columns, 27600 nonzeros Presolved model has 6900 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.070e+04 Factor NZ : 4.830e+04 (roughly 14 MBytes of memory) Factor Ops : 1.725e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.99220308e+06 0.00000000e+00 1.56e-13 4.93e-01 2.99e+02 0s 1 1.19603831e+06 2.39284620e+05 4.52e-08 4.90e-05 4.62e+01 0s 2 8.97204553e+05 7.10394418e+05 5.68e-08 6.04e-06 9.02e+00 0s 3 8.23362214e+05 7.84462429e+05 1.63e-08 1.40e-06 1.88e+00 0s 4 8.06064895e+05 7.96427729e+05 3.88e-09 3.05e-07 4.66e-01 0s 5 8.00466493e+05 7.99120942e+05 3.07e-10 6.72e-08 6.50e-02 0s 6 7.99947553e+05 7.99931129e+05 2.84e-14 7.16e-11 7.93e-04 0s 7 7.99937569e+05 7.99936134e+05 2.84e-14 3.08e-13 6.94e-05 0s 8 7.99936509e+05 7.99936239e+05 4.26e-13 3.80e-13 1.30e-05 0s Barrier solved model in 8 iterations and 0.26 seconds Optimal objective 7.99936509e+05