Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:21:47 2013 Optimize a model with 176000 rows, 264002 columns and 352000 nonzeros Model has 88000 quadratic constraints Presolve time: 0.21s Presolved: 176000 rows, 264002 columns, 352000 nonzeros Presolved model has 88000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.640e+05 Factor NZ : 6.160e+05 (roughly 200 MBytes of memory) Factor Ops : 2.200e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.40138041e+07 0.00000000e+00 2.07e-11 5.00e-01 2.90e+02 1s 1 1.51406520e+07 3.14149828e+06 1.85e-06 4.51e-05 4.55e+01 1s 2 1.13820912e+07 9.08667243e+06 2.66e-07 2.66e-06 8.69e+00 1s 3 1.04735659e+07 1.00308601e+07 5.88e-08 3.21e-07 1.68e+00 2s 4 1.02122190e+07 1.01456344e+07 5.34e-09 7.09e-08 2.52e-01 2s 5 1.01832249e+07 1.01801848e+07 4.83e-10 2.47e-11 1.15e-02 3s 6 1.01805208e+07 1.01802842e+07 3.83e-11 1.84e-11 8.96e-04 3s 7 1.01803462e+07 1.01802934e+07 8.68e-12 6.20e-12 2.00e-04 3s 8 1.01803111e+07 1.01802963e+07 2.59e-12 1.50e-11 5.58e-05 4s 9 1.01803045e+07 1.01802980e+07 1.48e-12 1.12e-11 2.47e-05 4s Barrier solved model in 9 iterations and 4.00 seconds Optimal objective 1.01803045e+07