Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:03 2013 Optimize a model with 940 rows, 1412 columns and 1880 nonzeros Model has 470 quadratic constraints Presolve time: 0.00s Presolved: 940 rows, 1412 columns, 1880 nonzeros Presolved model has 470 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.410e+03 Factor NZ : 3.293e+03 Factor Ops : 1.176e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.83265500e+05 0.00000000e+00 2.84e-14 4.61e-01 2.81e+02 0s 1 8.04430163e+04 1.64224630e+04 8.88e-09 5.18e-05 4.54e+01 0s 2 5.92200017e+04 4.61529815e+04 1.28e-08 7.47e-06 9.27e+00 0s 3 5.34153028e+04 5.18310709e+04 4.58e-09 2.03e-06 1.12e+00 0s 4 5.26203490e+04 5.25073503e+04 6.52e-11 2.55e-07 8.01e-02 0s 5 5.26004158e+04 5.25790133e+04 6.54e-13 5.64e-08 1.52e-02 0s 6 5.25995803e+04 5.25906052e+04 2.84e-13 2.34e-08 6.37e-03 0s 7 5.25987965e+04 5.25938814e+04 2.84e-14 1.39e-08 3.49e-03 0s 8 5.25986967e+04 5.25953032e+04 8.47e-11 7.32e-09 2.41e-03 0s 9 5.25985839e+04 5.25978678e+04 4.18e-10 4.31e-09 5.08e-04 0s 10 5.25985422e+04 5.25980712e+04 2.42e-10 2.89e-09 3.34e-04 0s 11 5.25985041e+04 5.25983276e+04 2.24e-10 3.75e-09 1.25e-04 0s 12 5.25984651e+04 5.25983560e+04 2.09e-11 2.96e-09 7.74e-05 0s 13 5.25984611e+04 5.25984149e+04 1.38e-11 1.15e-09 3.28e-05 0s Barrier solved model in 13 iterations and 0.03 seconds Optimal objective 5.25984611e+04