Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:14 2013 Optimize a model with 121 rows, 1221 columns and 2431 nonzeros Presolve time: 0.00s Presolved: 121 rows, 1221 columns, 2431 nonzeros Variable types: 1210 continuous, 11 integer (11 binary) Root relaxation: objective 1.264661e+04, 69 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12646.6131 0 2 - 12646.6131 - - 0s H 0 0 12688.000000 12646.6131 0.33% - 0s 0 0 cutoff 0 12688.0000 12688.0000 0.0% - 0s Cutting planes: Implied bound: 48 Flow cover: 6 Explored 0 nodes (75 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.268800000000e+04, best bound 1.268800000000e+04, gap 0.0%