Gurobi 5.0.1 (linux64) logging started Sun Nov 18 07:33:16 2012 Optimize a model with 525 rows, 492 columns and 1802 nonzeros Presolve removed 0 rows and 15 columns Presolve time: 0.00s Presolved: 525 rows, 477 columns, 1787 nonzeros Variable types: 0 continuous, 477 integer (476 binary) Found heuristic solution: objective 113.0000000 Root relaxation: objective 0.000000e+00, 321 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 0 197 113.00000 0.00000 100% - 0s H 0 0 90.0000000 0.00000 100% - 0s H 0 0 63.0000000 0.00000 100% - 0s H 0 0 62.0000000 0.00000 100% - 0s 0 0 0.26885 0 199 62.00000 0.26885 100% - 0s H 0 0 61.0000000 0.26885 100% - 0s 0 0 0.77955 0 200 61.00000 0.77955 98.7% - 0s H 0 0 60.0000000 0.77955 98.7% - 0s 0 0 0.77998 0 206 60.00000 0.77998 98.7% - 0s 0 0 0.77998 0 204 60.00000 0.77998 98.7% - 0s H 0 0 57.0000000 0.77998 98.6% - 0s H 0 0 55.0000000 0.77998 98.6% - 0s H 0 0 53.0000000 0.77998 98.5% - 0s 0 2 0.78086 0 202 53.00000 0.78086 98.5% - 0s H 27 27 49.0000000 1.00000 98.0% 36.4 0s H 54 43 18.0000000 1.00000 94.4% 27.1 0s * 85 53 23 17.0000000 1.00000 94.1% 30.0 0s * 109 58 16 16.0000000 1.00000 93.8% 32.7 0s H 243 95 14.0000000 1.00000 92.9% 36.3 0s * 752 58 8 13.0000000 8.00000 38.5% 43.5 1s Cutting planes: Gomory: 3 Mod-K: 2 Explored 857 nodes (37061 simplex iterations) in 1.47 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.300000000000e+01, best bound 1.300000000000e+01, gap 0.0%