Gurobi 5.0.1 (linux64) logging started Wed Apr 24 07:20:44 2013 Optimize a model with 1034 rows, 88454 columns and 176814 nonzeros Presolve time: 0.15s Presolved: 1034 rows, 88454 columns, 176814 nonzeros Variable types: 88360 continuous, 94 integer (94 binary) Root relaxation: objective 1.384682e+05, 4529 iterations, 0.19 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 138468.227 0 6 - 138468.227 - - 0s H 0 0 144263.00000 138468.227 4.02% - 0s 0 0 138618.555 0 5 144263.000 138618.555 3.91% - 0s 0 0 138641.199 0 4 144263.000 138641.199 3.90% - 1s 0 0 138653.507 0 4 144263.000 138653.507 3.89% - 1s 0 0 138658.306 0 4 144263.000 138658.306 3.89% - 1s 0 0 138658.306 0 4 144263.000 138658.306 3.89% - 1s 0 0 138658.306 0 4 144263.000 138658.306 3.89% - 1s 0 0 138658.306 0 4 144263.000 138658.306 3.89% - 1s 0 2 138703.459 0 4 144263.000 138703.459 3.85% - 2s H 3 3 142747.75472 138801.836 2.76% 55.0 2s H 4 4 139495.00000 138801.836 0.50% 72.5 2s H 6 6 139448.00000 138801.836 0.46% 87.2 2s H 8 8 139316.00000 138801.836 0.37% 76.5 2s H 16 10 139152.00000 138801.836 0.25% 53.1 3s * 17 9 17 139126.00000 138801.836 0.23% 50.5 3s H 54 0 139073.00000 139061.000 0.01% 90.2 4s Cutting planes: Implied bound: 162 Flow cover: 5 Explored 54 nodes (9887 simplex iterations) in 4.72 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.390730000000e+05, best bound 1.390610000000e+05, gap 0.0086%