Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:26:52 2012 Optimize a model with 231 rows, 266 columns and 841 nonzeros Presolve removed 0 rows and 31 columns Presolve time: 0.00s Presolved: 231 rows, 235 columns, 810 nonzeros Variable types: 0 continuous, 235 integer (234 binary) Found heuristic solution: objective 37.0000000 Root relaxation: objective 0.000000e+00, 165 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 91 37.00000 0.00000 100% - 0s H 0 0 31.0000000 0.00000 100% - 0s H 0 0 29.0000000 0.00000 100% - 0s H 0 0 24.0000000 0.00000 100% - 0s H 0 0 23.0000000 0.00000 100% - 0s 0 0 0.00000 0 93 23.00000 0.00000 100% - 0s H 0 0 21.0000000 0.00000 100% - 0s H 0 0 16.0000000 0.00000 100% - 0s 0 0 0.00000 0 93 16.00000 0.00000 100% - 0s 0 0 0.00000 0 91 16.00000 0.00000 100% - 0s H 0 0 11.0000000 0.00000 100% - 0s H 0 0 2.0000000 0.00000 100% - 0s 0 2 0.00000 0 91 2.00000 0.00000 100% - 0s * 9 1 7 1.0000000 1.00000 0.0% 48.2 0s Explored 10 nodes (1342 simplex iterations) in 0.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+00, best bound 1.000000000000e+00, gap 0.0%