Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:50:19 2013 Optimize a model with 12200 rows, 18302 columns and 24400 nonzeros Model has 6100 quadratic constraints Presolve time: 0.01s Presolved: 12200 rows, 18302 columns, 24400 nonzeros Presolved model has 6100 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.830e+04 Factor NZ : 4.270e+04 (roughly 13 MBytes of memory) Factor Ops : 1.525e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.30918923e+06 0.00000000e+00 1.28e-13 5.06e-01 3.00e+02 0s 1 1.05636250e+06 2.13048998e+05 7.35e-08 4.89e-05 4.61e+01 0s 2 7.94506114e+05 6.29146712e+05 3.26e-08 3.51e-06 9.04e+00 0s 3 7.29281026e+05 6.97631128e+05 7.61e-09 5.34e-07 1.73e+00 0s 4 7.13800309e+05 7.06550767e+05 1.71e-09 1.06e-07 3.96e-01 0s 5 7.09350107e+05 7.08871666e+05 8.88e-11 4.42e-09 2.61e-02 0s 6 7.09087694e+05 7.09010602e+05 1.26e-11 7.85e-10 4.21e-03 0s 7 7.09066224e+05 7.09029531e+05 6.64e-12 3.04e-10 2.01e-03 0s 8 7.09043882e+05 7.09041402e+05 5.47e-13 4.79e-12 1.36e-04 0s 9 7.09043036e+05 7.09041680e+05 4.19e-13 4.13e-13 7.41e-05 0s 10 7.09042602e+05 7.09041690e+05 6.54e-13 5.84e-13 4.98e-05 0s 11 7.09042253e+05 7.09041710e+05 3.84e-13 3.05e-12 2.97e-05 0s Barrier solved model in 11 iterations and 0.31 seconds Optimal objective 7.09042253e+05