Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:43 2013 Optimize a model with 260 rows, 392 columns and 520 nonzeros Model has 130 quadratic constraints Presolve time: 0.00s Presolved: 260 rows, 392 columns, 520 nonzeros Presolved model has 130 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.900e+02 Factor NZ : 9.130e+02 Factor Ops : 3.255e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.06043473e+05 0.00000000e+00 2.84e-14 4.22e-01 2.82e+02 0s 1 2.18414158e+04 5.07452749e+03 1.48e-09 5.37e-05 4.30e+01 0s 2 1.72216627e+04 1.38771271e+04 3.00e-09 8.46e-06 8.58e+00 0s 3 1.56855604e+04 1.51548839e+04 1.91e-09 2.87e-06 1.36e+00 0s 4 1.55891430e+04 1.55364169e+04 8.14e-10 1.96e-07 1.35e-01 0s 5 1.55514184e+04 1.55411704e+04 1.72e-10 2.33e-09 2.63e-02 0s 6 1.55467593e+04 1.55413442e+04 9.15e-11 1.04e-09 1.39e-02 0s 7 1.55430501e+04 1.55416212e+04 9.10e-10 6.29e-10 3.66e-03 0s 8 1.55427551e+04 1.55416197e+04 7.12e-10 5.90e-10 2.91e-03 0s 9 1.55426372e+04 1.55416603e+04 6.26e-10 3.41e-10 2.50e-03 0s 10 1.55422265e+04 1.55416758e+04 3.47e-10 2.27e-10 1.41e-03 0s 11 1.55420372e+04 1.55416960e+04 2.17e-10 1.08e-10 8.75e-04 0s 12 1.55419307e+04 1.55417058e+04 1.39e-10 7.57e-11 5.77e-04 0s 13 1.55418470e+04 1.55417191e+04 8.05e-11 3.13e-11 3.28e-04 0s 14 1.55417816e+04 1.55417229e+04 3.16e-11 2.40e-11 1.51e-04 0s 15 1.55417779e+04 1.55417294e+04 2.89e-11 2.07e-11 1.24e-04 0s 16 1.55417615e+04 1.55417332e+04 1.71e-11 1.14e-11 7.25e-05 0s 17 1.55417525e+04 1.55417349e+04 1.04e-11 6.05e-12 4.51e-05 0s 18 1.55417457e+04 1.55417370e+04 4.93e-12 3.29e-12 2.21e-05 0s Barrier solved model in 18 iterations and 0.02 seconds Optimal objective 1.55417457e+04