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 3.81453309e+05 0.00000000e+00 2.84e-14 4.23e-01 2.80e+02 0s 1 7.64198943e+04 1.61892172e+04 1.30e-08 4.93e-05 4.27e+01 0s 2 5.85119036e+04 4.66290141e+04 1.20e-08 6.96e-06 8.43e+00 0s 3 5.33233419e+04 5.18480954e+04 3.21e-10 1.21e-06 1.05e+00 0s 4 5.24776938e+04 5.23688021e+04 3.47e-12 1.70e-07 7.72e-02 0s 5 5.24554207e+04 5.24257405e+04 9.24e-14 5.65e-08 2.10e-02 0s 6 5.24542411e+04 5.24506116e+04 4.26e-14 5.36e-09 2.57e-03 0s 7 5.24532423e+04 5.24509646e+04 2.84e-14 4.47e-09 1.62e-03 0s 8 5.24528007e+04 5.24514544e+04 7.11e-14 3.27e-09 9.55e-04 0s 9 5.24527215e+04 5.24517719e+04 1.28e-09 2.31e-09 6.73e-04 0s 10 5.24526934e+04 5.24520472e+04 2.16e-09 1.03e-09 4.58e-04 0s 11 5.24526631e+04 5.24525678e+04 1.83e-09 3.41e-09 6.76e-05 0s 12 5.24526573e+04 5.24526283e+04 9.29e-10 9.28e-10 2.06e-05 0s Barrier solved model in 12 iterations and 0.03 seconds Optimal objective 5.24526573e+04