Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:15:42 2013 Optimize a model with 340 rows, 1220 columns and 2810 nonzeros Presolve removed 40 rows and 30 columns Presolve time: 0.01s Presolved: 300 rows, 1190 columns, 2650 nonzeros Variable types: 1100 continuous, 90 integer (90 binary) Root relaxation: objective 1.791602e+04, 164 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 17916.0191 0 3 - 17916.0191 - - 0s 0 0 17961.5825 0 4 - 17961.5825 - - 0s 0 0 17964.6921 0 4 - 17964.6921 - - 0s H 0 0 17984.059480 17964.6921 0.11% - 0s 0 0 17964.6921 0 2 17984.0595 17964.6921 0.11% - 0s 0 0 17970.3279 0 3 17984.0595 17970.3279 0.08% - 0s 0 2 17973.3540 0 3 17984.0595 17973.3540 0.06% - 0s * 5 1 3 17983.774558 17980.0633 0.02% 3.4 0s Cutting planes: Gomory: 3 Explored 7 nodes (334 simplex iterations) in 0.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.798377455783e+04, best bound 1.798377455783e+04, gap 0.0%