Optimize a model with 107 rows, 5671 columns and 11342 nonzeros Presolve time: 0.01s Presolved: 107 rows, 5671 columns, 11342 nonzeros Variable types: 0 continuous, 5671 integer (5671 binary) Root relaxation: objective 2.458800e+04, 112 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 44303.000000 44303.0000 0.0% - 0s Cutting planes: Explored 0 nodes (312 simplex iterations) in 0.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.430300000000e+04, best bound 4.430300000000e+04, gap 0.0% Gurobi 5.0.1 (linux64) logging started Sun Nov 25 02:43:47 2012