Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:59:26 2013 Optimize a model with 19800 rows, 29702 columns and 39600 nonzeros Model has 9900 quadratic constraints Presolve time: 0.02s Presolved: 19800 rows, 29702 columns, 39600 nonzeros Presolved model has 9900 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.970e+04 Factor NZ : 6.930e+04 (roughly 20 MBytes of memory) Factor Ops : 2.475e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.59576836e+06 0.00000000e+00 1.85e-13 5.05e-01 2.99e+02 0s 1 1.72494309e+06 3.46218280e+05 2.86e-07 4.87e-05 4.64e+01 0s 2 1.29324269e+06 1.02418590e+06 2.14e-08 3.36e-06 9.06e+00 0s 3 1.18576419e+06 1.13529177e+06 4.01e-09 4.16e-07 1.70e+00 0s 4 1.15764773e+06 1.14660212e+06 4.70e-10 1.50e-07 3.72e-01 0s 5 1.15469764e+06 1.15325619e+06 1.34e-10 2.65e-09 4.85e-02 0s 6 1.15347718e+06 1.15344443e+06 2.12e-12 5.12e-11 1.10e-03 0s 7 1.15345683e+06 1.15344993e+06 5.54e-13 7.89e-13 2.32e-04 0s 8 1.15345137e+06 1.15345024e+06 2.27e-13 4.52e-13 3.82e-05 0s Barrier solved model in 8 iterations and 0.36 seconds Optimal objective 1.15345137e+06