Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:19 2013 Optimize a model with 143 rows, 1703 columns and 3393 nonzeros Presolve time: 0.00s Presolved: 143 rows, 1703 columns, 3393 nonzeros Variable types: 1690 continuous, 13 integer (13 binary) Root relaxation: objective 1.649864e+04, 126 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 16498.6417 0 2 - 16498.6417 - - 0s H 0 0 16550.000000 16498.6417 0.31% - 0s 0 0 cutoff 0 16550.0000 16550.0000 0.0% - 0s Cutting planes: Implied bound: 42 Flow cover: 4 Explored 0 nodes (133 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.655000000000e+04, best bound 1.655000000000e+04, gap 0.0%