Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:45 2013 Optimize a model with 209 rows, 3629 columns and 7239 nonzeros Presolve time: 0.00s Presolved: 209 rows, 3629 columns, 7239 nonzeros Variable types: 3610 continuous, 19 integer (19 binary) Root relaxation: objective 2.101546e+04, 204 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 21015.4551 0 4 - 21015.4551 - - 0s H 0 0 21242.000000 21015.4551 1.07% - 0s 0 0 21140.4038 0 3 21242.0000 21140.4038 0.48% - 0s 0 0 21152.8571 0 2 21242.0000 21152.8571 0.42% - 0s 0 0 21153.0286 0 1 21242.0000 21153.0286 0.42% - 0s H 0 0 21212.771429 21153.0286 0.28% - 0s H 0 0 21166.000000 21153.0286 0.06% - 0s 0 0 cutoff 0 21166.0000 21166.0000 0.0% - 0s Cutting planes: Implied bound: 16 Explored 1 nodes (242 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.116600000000e+04, best bound 2.116600000000e+04, gap 0.0%