Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:53:32 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 6.59578461e+06 0.00000000e+00 9.95e-14 4.92e-01 2.99e+02 0s 1 1.30578079e+06 2.62835992e+05 1.52e-07 4.92e-05 4.57e+01 0s 2 9.85694921e+05 7.84158997e+05 8.51e-08 5.89e-06 8.84e+00 0s 3 9.05387601e+05 8.67956089e+05 1.14e-08 7.82e-07 1.64e+00 0s 4 8.84835507e+05 8.76873847e+05 1.58e-09 2.34e-07 3.49e-01 0s 5 8.82087292e+05 8.80210750e+05 4.44e-10 4.13e-08 8.23e-02 0s 6 8.81134479e+05 8.80962621e+05 6.10e-11 4.82e-10 7.54e-03 0s 7 8.80992097e+05 8.80973487e+05 7.03e-12 2.15e-12 8.16e-04 0s 8 8.80984519e+05 8.80973785e+05 4.29e-12 1.78e-13 4.71e-04 0s 9 8.80979491e+05 8.80973877e+05 2.44e-12 2.12e-13 2.46e-04 0s 10 8.80978479e+05 8.80973892e+05 2.33e-12 4.18e-13 2.01e-04 0s 11 8.80977676e+05 8.80973958e+05 2.03e-12 1.26e-12 1.63e-04 0s 12 8.80976992e+05 8.80974008e+05 1.99e-12 8.39e-13 1.31e-04 0s 13 8.80976605e+05 8.80974015e+05 1.63e-12 6.88e-12 1.14e-04 0s 14 8.80976032e+05 8.80974024e+05 1.38e-12 6.34e-12 8.81e-05 0s 15 8.80975833e+05 8.80974145e+05 1.25e-12 9.06e-13 7.41e-05 1s 16 8.80975395e+05 8.80974171e+05 1.80e-12 3.97e-12 5.37e-05 1s 17 8.80975031e+05 8.80974183e+05 1.58e-12 1.60e-12 3.72e-05 1s Barrier solved model in 17 iterations and 0.59 seconds Optimal objective 8.80975031e+05