Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:54:00 2013 Optimize a model with 9360 rows, 9060 columns and 36060 nonzeros Presolve removed 30 rows and 0 columns Presolve time: 0.04s Presolved: 9330 rows, 9060 columns, 36030 nonzeros Variable types: 9030 continuous, 30 integer (30 binary) Root relaxation: objective 3.665296e+04, 1849 iterations, 0.21 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 36652.9551 0 26 - 36652.9551 - - 0s H 0 0 40107.000000 36652.9551 8.61% - 0s 0 0 39093.0340 0 3 40107.0000 39093.0340 2.53% - 0s H 0 0 39494.687668 39093.0340 1.02% - 0s H 0 0 39380.000000 39093.0340 0.73% - 0s H 0 0 39100.000000 39093.0340 0.02% - 0s 0 0 39093.9594 0 2 39100.0000 39093.9594 0.02% - 0s 0 0 39099.5000 0 1 39100.0000 39099.5000 0.00% - 0s Cutting planes: Implied bound: 24 Explored 0 nodes (2446 simplex iterations) in 0.69 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.910000000000e+04, best bound 3.909950000000e+04, gap 0.0013%