Optimize a model with 48 rows, 1128 columns and 2256 nonzeros Presolve time: 0.00s Presolved: 48 rows, 1128 columns, 2256 nonzeros Variable types: 0 continuous, 1128 integer (1128 binary) Root relaxation: objective 1.119700e+04, 75 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 11444.5000 0 17 - 11444.5000 - - 0s * 0 0 0 11461.000000 11461.0000 0.0% - 0s Cutting planes: Zero half: 2 Explored 0 nodes (102 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.146100000000e+04, best bound 1.146100000000e+04, gap 0.0% Gurobi 5.0.1 (linux64) logging started Sun Nov 25 02:42:25 2012