Gurobi 5.0.1 (linux64) logging started Tue Apr 23 22:02:14 2013 Optimize a model with 2650 rows, 2600 columns and 10100 nonzeros Presolve removed 100 rows and 1 columns Presolve time: 0.01s Presolved: 2550 rows, 2599 columns, 9950 nonzeros Variable types: 2550 continuous, 49 integer (49 binary) Root relaxation: objective 9.398687e+05, 398 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 939868.681 0 6 - 939868.681 - - 0s H 0 0 968305.16250 939868.681 2.94% - 0s 0 0 945145.866 0 4 968305.162 945145.866 2.39% - 0s H 0 0 949227.43750 945145.866 0.43% - 0s H 0 0 946051.32500 945145.866 0.10% - 0s 0 0 945811.577 0 3 946051.325 945811.577 0.03% - 0s 0 0 946010.725 0 2 946051.325 946010.725 0.00% - 0s Cutting planes: Gomory: 2 Explored 0 nodes (496 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.460513250000e+05, best bound 9.460107249188e+05, gap 0.0043%