Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:55 2013 Optimize a model with 720 rows, 1082 columns and 1440 nonzeros Model has 360 quadratic constraints Presolve time: 0.00s Presolved: 720 rows, 1082 columns, 1440 nonzeros Presolved model has 360 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.080e+03 Factor NZ : 2.523e+03 Factor Ops : 9.005e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.10123710e+05 0.00000000e+00 4.26e-14 4.79e-01 2.97e+02 0s 1 5.92626600e+04 1.27566323e+04 4.23e-09 5.06e-05 4.31e+01 0s 2 4.86398532e+04 3.80247162e+04 5.11e-09 1.00e-05 9.83e+00 0s 3 4.35717058e+04 4.17271479e+04 3.27e-09 1.57e-06 1.71e+00 0s 4 4.18703397e+04 4.18135879e+04 1.37e-10 1.02e-07 5.25e-02 0s 5 4.18497031e+04 4.18213593e+04 7.83e-11 5.61e-10 2.62e-02 0s 6 4.18267200e+04 4.18218212e+04 1.34e-11 5.20e-14 4.54e-03 0s 7 4.18230580e+04 4.18220023e+04 2.81e-12 7.35e-13 9.77e-04 0s 8 4.18226633e+04 4.18221043e+04 1.52e-12 3.82e-13 5.18e-04 0s 9 4.18223565e+04 4.18221967e+04 8.13e-10 1.29e-09 1.48e-04 0s 10 4.18222799e+04 4.18222209e+04 3.20e-10 5.80e-11 5.46e-05 0s 11 4.18222612e+04 4.18222262e+04 2.02e-10 9.27e-12 3.24e-05 0s Barrier solved model in 11 iterations and 0.02 seconds Optimal objective 4.18222612e+04