Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:46:23 2013 Optimize a model with 108000 rows, 162002 columns and 216000 nonzeros Model has 54000 quadratic constraints Presolve time: 0.12s Presolved: 108000 rows, 162002 columns, 216000 nonzeros Presolved model has 54000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.620e+05 Factor NZ : 3.780e+05 (roughly 100 MBytes of memory) Factor Ops : 1.350e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.61323025e+07 0.00000000e+00 7.50e-12 5.02e-01 2.94e+02 0s 1 9.36776641e+06 1.90846466e+06 1.10e-06 4.67e-05 4.60e+01 0s 2 7.01289385e+06 5.56769489e+06 1.59e-07 2.84e-06 8.92e+00 1s 3 6.45621141e+06 6.16488280e+06 3.49e-08 3.42e-07 1.80e+00 1s 4 6.27865919e+06 6.25354300e+06 2.69e-09 1.75e-08 1.55e-01 1s 5 6.26005926e+06 6.25955488e+06 5.78e-11 3.20e-11 3.11e-03 2s 6 6.25969844e+06 6.25961198e+06 1.06e-11 1.99e-12 5.34e-04 2s 7 6.25964055e+06 6.25961726e+06 3.06e-12 7.41e-12 1.44e-04 2s 8 6.25962977e+06 6.25961958e+06 1.59e-12 3.89e-12 6.29e-05 2s 9 6.25962527e+06 6.25961997e+06 8.10e-13 8.33e-13 3.27e-05 2s Barrier solved model in 9 iterations and 2.42 seconds Optimal objective 6.25962527e+06