Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:57:01 2013 Optimize a model with 1023 rows, 86583 columns and 173073 nonzeros Presolve time: 0.15s Presolved: 1023 rows, 86583 columns, 173073 nonzeros Variable types: 86490 continuous, 93 integer (93 binary) Root relaxation: objective 1.197835e+05, 3650 iterations, 0.16 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 119783.451 0 3 - 119783.451 - - 0s H 0 0 121954.00000 119783.451 1.78% - 0s 0 0 119788.412 0 3 121954.000 119788.412 1.78% - 0s 0 0 119794.761 0 3 121954.000 119794.761 1.77% - 0s 0 0 119794.761 0 3 121954.000 119794.761 1.77% - 0s 0 0 119801.867 0 3 121954.000 119801.867 1.76% - 1s 0 0 119801.867 0 3 121954.000 119801.867 1.76% - 1s 0 0 119801.867 0 3 121954.000 119801.867 1.76% - 1s 0 0 119801.867 0 3 121954.000 119801.867 1.76% - 1s 0 0 119801.867 0 3 121954.000 119801.867 1.76% - 1s 0 0 119801.867 0 3 121954.000 119801.867 1.76% - 2s 0 0 119801.867 0 3 121954.000 119801.867 1.76% - 2s 0 0 119801.867 0 3 121954.000 119801.867 1.76% - 2s 0 0 119801.867 0 3 121954.000 119801.867 1.76% - 2s 0 0 119801.867 0 3 121954.000 119801.867 1.76% - 2s 0 0 119801.867 0 3 121954.000 119801.867 1.76% - 2s 0 0 119801.867 0 3 121954.000 119801.867 1.76% - 3s 0 0 119801.867 0 3 121954.000 119801.867 1.76% - 3s 0 0 119801.867 0 3 121954.000 119801.867 1.76% - 3s 0 2 119818.624 0 3 121954.000 119818.624 1.75% - 3s H 2 2 120454.65116 119853.059 0.50% 33.0 3s * 16 9 14 120362.00000 119893.898 0.39% 54.1 4s * 17 5 12 120211.00000 119893.898 0.26% 53.0 4s H 21 7 120159.23837 120024.381 0.11% 63.2 4s * 23 7 6 120149.00000 120024.381 0.10% 60.8 4s Cutting planes: Implied bound: 115 Flow cover: 3 Explored 37 nodes (8933 simplex iterations) in 4.96 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.201490000000e+05, best bound 1.201490000000e+05, gap 0.0%