Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:56 2012 Optimize a model with 147 rows, 120 columns and 485 nonzeros Presolve removed 0 rows and 2 columns Presolve time: 0.00s Presolved: 147 rows, 118 columns, 483 nonzeros Variable types: 0 continuous, 118 integer (117 binary) Found heuristic solution: objective 36.0000000 Root relaxation: objective 0.000000e+00, 71 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 44 36.00000 0.00000 100% - 0s H 0 0 23.0000000 0.00000 100% - 0s H 0 0 18.0000000 0.00000 100% - 0s 0 0 0.68182 0 45 18.00000 0.68182 96.2% - 0s H 0 0 13.0000000 0.68182 94.8% - 0s H 0 0 12.0000000 0.68182 94.3% - 0s 0 0 1.16429 0 46 12.00000 1.16429 90.3% - 0s 0 0 1.19481 0 47 12.00000 1.19481 90.0% - 0s 0 0 1.19619 0 48 12.00000 1.19619 90.0% - 0s 0 2 1.25714 0 48 12.00000 1.25714 89.5% - 0s * 129 22 10 11.0000000 6.80309 38.2% 14.3 0s Cutting planes: Gomory: 2 Mod-K: 3 Explored 192 nodes (3056 simplex iterations) in 0.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0%