Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:20 2013 Optimize a model with 1280 rows, 1922 columns and 2560 nonzeros Model has 640 quadratic constraints Presolve time: 0.00s Presolved: 1280 rows, 1922 columns, 2560 nonzeros Presolved model has 640 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.920e+03 Factor NZ : 4.483e+03 (roughly 1 MByte of memory) Factor Ops : 1.600e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.51963713e+05 0.00000000e+00 2.84e-14 4.94e-01 2.97e+02 0s 1 1.09777650e+05 2.17893937e+04 3.72e-09 4.96e-05 4.58e+01 0s 2 8.17337210e+04 6.38527710e+04 3.40e-09 7.07e-06 9.31e+00 0s 3 7.44960538e+04 7.16799862e+04 3.71e-09 1.83e-06 1.47e+00 0s 4 7.25877701e+04 7.24547482e+04 1.61e-09 1.06e-07 6.93e-02 0s 5 7.25524149e+04 7.25150496e+04 8.12e-10 2.60e-09 1.95e-02 0s 6 7.25215558e+04 7.25157240e+04 1.19e-10 5.44e-11 3.04e-03 0s 7 7.25174184e+04 7.25158169e+04 3.15e-11 1.46e-11 8.34e-04 0s 8 7.25164366e+04 7.25158272e+04 1.15e-11 1.15e-11 3.17e-04 0s 9 7.25161702e+04 7.25158806e+04 5.68e-12 8.30e-13 1.51e-04 0s 10 7.25161013e+04 7.25158824e+04 4.39e-12 7.56e-13 1.14e-04 0s 11 7.25160460e+04 7.25158881e+04 3.15e-12 3.57e-12 8.23e-05 0s 12 7.25159847e+04 7.25159066e+04 1.65e-12 7.58e-13 4.06e-05 0s 13 7.25159565e+04 7.25159185e+04 9.52e-13 5.04e-12 1.98e-05 0s Barrier solved model in 13 iterations and 0.04 seconds Optimal objective 7.25159565e+04