Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:23 2012 Optimize a model with 131 rows, 101 columns and 426 nonzeros Presolve time: 0.00s Presolved: 131 rows, 101 columns, 426 nonzeros Variable types: 0 continuous, 101 integer (101 binary) Found heuristic solution: objective 29.0000000 Root relaxation: objective 0.000000e+00, 59 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 35 29.00000 0.00000 100% - 0s H 0 0 28.0000000 0.00000 100% - 0s H 0 0 26.0000000 0.00000 100% - 0s H 0 0 24.0000000 0.00000 100% - 0s H 0 0 23.0000000 0.00000 100% - 0s 0 0 0.48571 0 36 23.00000 0.48571 97.9% - 0s H 0 0 22.0000000 0.48571 97.8% - 0s H 0 0 21.0000000 0.48571 97.7% - 0s 0 0 1.03392 0 40 21.00000 1.03392 95.1% - 0s 0 0 1.03489 0 41 21.00000 1.03489 95.1% - 0s 0 0 1.03489 0 41 21.00000 1.03489 95.1% - 0s H 0 0 15.0000000 1.03489 93.1% - 0s 0 2 1.03579 0 41 15.00000 1.03579 93.1% - 0s * 18 12 12 14.0000000 3.94489 71.8% 19.1 0s * 26 12 6 11.0000000 4.49769 59.1% 21.3 0s Cutting planes: Gomory: 3 Zero half: 1 Mod-K: 1 Explored 63 nodes (1519 simplex iterations) in 0.07 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%