Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:41:18 2012 Optimize a model with 375 rows, 267 columns and 1202 nonzeros Presolve removed 0 rows and 1 columns Presolve time: 0.00s Presolved: 375 rows, 266 columns, 1201 nonzeros Variable types: 0 continuous, 266 integer (265 binary) Found heuristic solution: objective 88.0000000 Root relaxation: objective 0.000000e+00, 138 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 78 88.00000 0.00000 100% - 0s H 0 0 75.0000000 0.00000 100% - 0s H 0 0 71.0000000 0.00000 100% - 0s 0 0 0.77137 0 79 71.00000 0.77137 98.9% - 0s H 0 0 64.0000000 0.77137 98.8% - 0s 0 0 1.13099 0 81 64.00000 1.13099 98.2% - 0s H 0 0 62.0000000 1.13099 98.2% - 0s 0 0 1.13329 0 80 62.00000 1.13329 98.2% - 0s 0 0 1.13329 0 80 62.00000 1.13329 98.2% - 0s 0 2 1.13629 0 80 62.00000 1.13629 98.2% - 0s H 27 27 58.0000000 1.40000 97.6% 25.2 0s H 44 44 44.0000000 1.40000 96.8% 29.5 0s H 44 41 42.0000000 1.40000 96.7% 29.5 0s * 45 38 27 41.0000000 1.40000 96.6% 30.1 0s * 323 251 26 40.0000000 1.51709 96.2% 32.8 0s H 326 244 39.0000000 1.51709 96.1% 32.5 0s * 1286 544 30 38.0000000 16.98112 55.3% 29.4 2s 3710 934 33.00000 19 123 38.00000 23.26774 38.8% 22.9 5s 9251 1077 34.90000 21 117 38.00000 28.26241 25.6% 20.0 10s Cutting planes: Gomory: 11 Zero half: 1 Explored 15781 nodes (286953 simplex iterations) in 14.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.800000000000e+01, best bound 3.800000000000e+01, gap 0.0%