Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:53:43 2013 Optimize a model with 15400 rows, 23102 columns and 30800 nonzeros Model has 7700 quadratic constraints Presolve time: 0.02s Presolved: 15400 rows, 23102 columns, 30800 nonzeros Presolved model has 7700 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.310e+04 Factor NZ : 5.390e+04 (roughly 16 MBytes of memory) Factor Ops : 1.925e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.68964336e+06 0.00000000e+00 1.99e-13 4.93e-01 2.99e+02 0s 1 1.34354178e+06 2.68307661e+05 8.44e-08 4.96e-05 4.65e+01 0s 2 1.00273910e+06 7.89657865e+05 3.94e-08 6.04e-06 9.22e+00 0s 3 9.19343385e+05 8.78535244e+05 8.60e-09 9.16e-07 1.77e+00 0s 4 8.95755828e+05 8.88595129e+05 7.11e-10 2.70e-07 3.10e-01 0s 5 8.93141252e+05 8.92289513e+05 1.29e-11 4.54e-08 3.69e-02 0s 6 8.93082376e+05 8.93063492e+05 2.76e-12 1.69e-10 8.18e-04 0s 7 8.93068448e+05 8.93066356e+05 4.12e-13 3.87e-12 9.06e-05 0s 8 8.93066931e+05 8.93066446e+05 3.20e-13 3.87e-13 2.10e-05 0s Barrier solved model in 8 iterations and 0.28 seconds Optimal objective 8.93066931e+05