Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:13 2012 Optimize a model with 376 rows, 39 columns and 752 nonzeros Presolve removed 267 rows and 0 columns Presolve time: 0.00s Presolved: 109 rows, 39 columns, 561 nonzeros Variable types: 0 continuous, 39 integer (39 binary) Found heuristic solution: objective 5.0000000 Root relaxation: objective 8.214286e+00, 58 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 8.21429 0 27 5.00000 8.21429 64.3% - 0s H 0 0 8.0000000 8.21429 2.68% - 0s Explored 0 nodes (64 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%