Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:09:44 2012 Optimize a model with 1835 rows, 1190 columns and 6526 nonzeros Presolve removed 240 rows and 2 columns Presolve time: 0.09s Presolved: 1629 rows, 1188 columns, 7010 nonzeros Variable types: 0 continuous, 1188 integer (1188 binary) Found heuristic solution: objective 34.0000000 Root relaxation: objective 3.000000e+00, 1076 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.00000 0 20 34.00000 3.00000 91.2% - 0s H 0 0 3.0000000 3.00000 0.0% - 0s Explored 0 nodes (3895 simplex iterations) in 0.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%