Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:00 2013 Optimize a model with 297 rows, 7317 columns and 14607 nonzeros Presolve time: 0.01s Presolved: 297 rows, 7317 columns, 14607 nonzeros Variable types: 7290 continuous, 27 integer (27 binary) Root relaxation: objective 2.598563e+04, 340 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 25985.6302 0 5 - 25985.6302 - - 0s H 0 0 26390.000000 25985.6302 1.53% - 0s H 0 0 26332.000000 25985.6302 1.32% - 0s 0 0 26187.1519 0 5 26332.0000 26187.1519 0.55% - 0s 0 0 26218.5261 0 4 26332.0000 26218.5261 0.43% - 0s 0 0 26219.2376 0 3 26332.0000 26219.2376 0.43% - 0s 0 0 26219.2376 0 3 26332.0000 26219.2376 0.43% - 0s 0 2 26232.2070 0 3 26332.0000 26232.2070 0.38% - 0s * 6 3 4 26321.000000 26320.7500 0.00% 12.0 0s Cutting planes: Implied bound: 39 Flow cover: 3 Explored 7 nodes (517 simplex iterations) in 0.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.632100000000e+04, best bound 2.632075000000e+04, gap 0.0009%