Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:50:33 2013 Optimize a model with 81 rows, 525 columns and 1043 nonzeros Presolve time: 0.00s Presolved: 81 rows, 525 columns, 1043 nonzeros Variable types: 518 continuous, 7 integer (7 binary) Root relaxation: objective 1.860900e+04, 76 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 18608.9980 0 2 - 18608.9980 - - 0s H 0 0 18621.000000 18608.9980 0.06% - 0s 0 0 cutoff 0 18621.0000 18621.0000 0.0% - 0s Explored 0 nodes (77 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.862100000000e+04, best bound 1.862100000000e+04, gap 0.0%