Gurobi 5.0.1 (linux64) logging started Sun Nov 18 08:05:03 2012 Optimize a model with 583 rows, 525 columns and 1980 nonzeros Presolve removed 0 rows and 26 columns Presolve time: 0.00s Presolved: 583 rows, 499 columns, 1954 nonzeros Variable types: 0 continuous, 499 integer (498 binary) Found heuristic solution: objective 94.0000000 Root relaxation: objective 0.000000e+00, 292 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 0 207 94.00000 0.00000 100% - 0s H 0 0 88.0000000 0.00000 100% - 0s H 0 0 80.0000000 0.00000 100% - 0s 0 0 0.46584 0 208 80.00000 0.46584 99.4% - 0s H 0 0 79.0000000 0.46584 99.4% - 0s 0 0 1.00000 0 210 79.00000 1.00000 98.7% - 0s H 0 0 77.0000000 1.00000 98.7% - 0s 0 0 1.00000 0 212 77.00000 1.00000 98.7% - 0s 0 0 1.00000 0 210 77.00000 1.00000 98.7% - 0s H 0 0 74.0000000 1.00000 98.6% - 0s H 0 0 70.0000000 1.00000 98.6% - 0s H 0 0 59.0000000 1.00000 98.3% - 0s 0 2 1.00000 0 209 59.00000 1.00000 98.3% - 0s H 27 27 50.0000000 1.00000 98.0% 57.9 0s H 81 80 29.0000000 1.00000 96.6% 35.0 0s H 91 38 27.0000000 1.00000 96.3% 32.2 0s H 198 118 26.0000000 3.38827 87.0% 36.1 0s H 209 115 25.0000000 3.38827 86.4% 35.2 0s H 432 210 24.0000000 7.14514 70.2% 36.8 0s 2765 436 22.77011 25 214 24.00000 16.38710 31.7% 30.6 5s Explored 5829 nodes (163988 simplex iterations) in 9.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.400000000000e+01, best bound 2.400000000000e+01, gap 0.0%