Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:18 2013 Optimize a model with 1240 rows, 1862 columns and 2480 nonzeros Model has 620 quadratic constraints Presolve time: 0.00s Presolved: 1240 rows, 1862 columns, 2480 nonzeros Presolved model has 620 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.860e+03 Factor NZ : 4.343e+03 (roughly 1 MByte of memory) Factor Ops : 1.550e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.24328605e+05 0.00000000e+00 2.84e-14 4.86e-01 2.91e+02 0s 1 1.07015357e+05 2.21263210e+04 4.06e-09 5.09e-05 4.56e+01 0s 2 8.04777845e+04 6.34887061e+04 3.58e-09 6.90e-06 9.13e+00 0s 3 7.33777645e+04 7.09090675e+04 2.55e-09 1.22e-06 1.33e+00 0s 4 7.18428389e+04 7.16134720e+04 8.71e-11 2.16e-07 1.23e-01 0s 5 7.17761706e+04 7.17662390e+04 6.25e-12 6.25e-09 5.34e-03 0s 6 7.17720183e+04 7.17699175e+04 1.51e-12 1.07e-09 1.13e-03 0s 7 7.17708767e+04 7.17700504e+04 3.08e-10 8.57e-10 4.44e-04 0s 8 7.17706676e+04 7.17705945e+04 4.96e-10 1.25e-10 3.93e-05 0s 9 7.17706522e+04 7.17706081e+04 2.83e-10 7.68e-11 2.37e-05 0s Barrier solved model in 9 iterations and 0.03 seconds Optimal objective 7.17706522e+04