Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:38 2013 Optimize a model with 6550 rows, 6300 columns and 25050 nonzeros Presolve removed 25 rows and 0 columns Presolve time: 0.03s Presolved: 6525 rows, 6300 columns, 25025 nonzeros Variable types: 6275 continuous, 25 integer (25 binary) Root relaxation: objective 2.516857e+04, 963 iterations, 0.08 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 25168.5681 0 16 - 25168.5681 - - 0s H 0 0 26579.000000 25168.5681 5.31% - 0s 0 0 26250.4817 0 3 26579.0000 26250.4817 1.24% - 0s H 0 0 26271.000000 26250.4817 0.08% - 0s 0 0 26250.6267 0 2 26271.0000 26250.6267 0.08% - 0s 0 0 26269.2500 0 1 26271.0000 26269.2500 0.01% - 0s Cutting planes: Implied bound: 14 Explored 0 nodes (1310 simplex iterations) in 0.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.627100000000e+04, best bound 2.626925000000e+04, gap 0.0067%