Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:05 2013 Optimize a model with 980 rows, 1472 columns and 1960 nonzeros Model has 490 quadratic constraints Presolve time: 0.00s Presolved: 980 rows, 1472 columns, 1960 nonzeros Presolved model has 490 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.470e+03 Factor NZ : 3.433e+03 (roughly 1 MByte of memory) Factor Ops : 1.226e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.08549168e+05 0.00000000e+00 2.84e-14 4.72e-01 2.87e+02 0s 1 8.15232062e+04 1.78497169e+04 6.92e-09 4.84e-05 4.33e+01 0s 2 6.66340770e+04 5.17206511e+04 3.38e-08 7.92e-06 1.01e+01 0s 3 5.90162745e+04 5.70451687e+04 2.57e-09 1.37e-06 1.34e+00 0s 4 5.74142698e+04 5.73963735e+04 4.93e-10 1.39e-07 1.22e-02 0s 5 5.74069245e+04 5.74017923e+04 1.58e-10 2.96e-08 3.49e-03 0s 6 5.74038833e+04 5.74021257e+04 1.95e-11 2.34e-08 1.20e-03 0s 7 5.74036047e+04 5.74031261e+04 7.41e-10 5.31e-09 3.26e-04 0s 8 5.74034240e+04 5.74033760e+04 7.96e-09 3.94e-09 3.26e-05 0s Barrier solved model in 8 iterations and 0.02 seconds Optimal objective 5.74034240e+04