Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:18:21 2013 Optimize a model with 594 rows, 29214 columns and 58374 nonzeros Presolve time: 0.04s Presolved: 594 rows, 29214 columns, 58374 nonzeros Variable types: 29160 continuous, 54 integer (54 binary) Root relaxation: objective 6.455350e+04, 1514 iterations, 0.04 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 64553.5001 0 5 - 64553.5001 - - 0s H 0 0 68024.000000 64553.5001 5.10% - 0s 0 0 65030.8278 0 4 68024.0000 65030.8278 4.40% - 0s H 0 0 67418.974594 65030.8278 3.54% - 0s H 0 0 66754.000000 65030.8278 2.58% - 0s 0 0 65047.3528 0 4 66754.0000 65047.3528 2.56% - 0s 0 0 65058.8719 0 3 66754.0000 65058.8719 2.54% - 0s H 0 0 66680.000000 65058.8719 2.43% - 0s 0 0 65062.7344 0 3 66680.0000 65062.7344 2.43% - 0s 0 0 65062.9501 0 4 66680.0000 65062.9501 2.43% - 0s 0 0 65063.4731 0 2 66680.0000 65063.4731 2.42% - 0s H 0 0 65972.116705 65063.4731 1.38% - 0s H 0 0 65753.000000 65063.4731 1.05% - 0s H 0 0 65655.000000 65063.4731 0.90% - 0s 0 0 65063.4731 0 5 65655.0000 65063.4731 0.90% - 0s 0 0 65063.4731 0 4 65655.0000 65063.4731 0.90% - 0s 0 0 65063.4731 0 4 65655.0000 65063.4731 0.90% - 0s 0 0 65063.4731 0 3 65655.0000 65063.4731 0.90% - 0s 0 0 65063.4731 0 3 65655.0000 65063.4731 0.90% - 0s 0 0 65063.4731 0 2 65655.0000 65063.4731 0.90% - 0s 0 0 65063.4731 0 2 65655.0000 65063.4731 0.90% - 0s 0 2 65088.2979 0 2 65655.0000 65088.2979 0.86% - 1s * 11 5 10 65217.000000 65148.4218 0.11% 26.1 1s Cutting planes: Implied bound: 68 Flow cover: 2 Explored 23 nodes (3831 simplex iterations) in 1.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.521700000000e+04, best bound 6.521553576935e+04, gap 0.0022%