Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:08:16 2012 Optimize a model with 419 rows, 414 columns and 1459 nonzeros Presolve removed 0 rows and 23 columns Presolve time: 0.00s Presolved: 419 rows, 391 columns, 1436 nonzeros Variable types: 0 continuous, 391 integer (390 binary) Found heuristic solution: objective 66.0000000 Root relaxation: objective 0.000000e+00, 221 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 0 166 66.00000 0.00000 100% - 0s H 0 0 58.0000000 0.00000 100% - 0s H 0 0 56.0000000 0.00000 100% - 0s H 0 0 50.0000000 0.00000 100% - 0s H 0 0 47.0000000 0.00000 100% - 0s 0 0 0.27729 0 168 47.00000 0.27729 99.4% - 0s H 0 0 45.0000000 0.27729 99.4% - 0s H 0 0 41.0000000 0.27729 99.3% - 0s 0 0 0.77423 0 170 41.00000 0.77423 98.1% - 0s H 0 0 38.0000000 0.77423 98.0% - 0s 0 0 0.77529 0 174 38.00000 0.77529 98.0% - 0s 0 0 0.77529 0 174 38.00000 0.77529 98.0% - 0s H 0 0 36.0000000 0.77529 97.8% - 0s H 0 0 31.0000000 0.77529 97.5% - 0s 0 2 0.77954 0 173 31.00000 0.77954 97.5% - 0s H 27 27 22.0000000 1.00000 95.5% 40.4 0s H 54 46 13.0000000 1.00000 92.3% 27.2 0s * 60 26 37 12.0000000 1.00000 91.7% 31.4 0s * 200 59 12 10.0000000 3.23404 67.7% 24.7 0s Cutting planes: Gomory: 3 Mod-K: 2 Explored 518 nodes (13492 simplex iterations) in 0.53 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%