Gurobi 5.0.1 (linux64) logging started Mon Feb 4 19:17:50 2013 Optimize a model with 102425 rows, 7225 columns and 310675 nonzeros Presolve removed 7032 rows and 3665 columns Presolve time: 1.00s Presolved: 95393 rows, 3560 columns, 288800 nonzeros Variable types: 32 continuous, 3528 integer (3528 binary) Found heuristic solution: objective 179344.00000 Root relaxation: objective 1.393206e+05, 18323 iterations, 2.13 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 139320.600 0 10 179344.000 139320.600 22.3% - 3s H 0 0 139348.00000 139320.600 0.02% - 3s H 0 0 139335.00000 139320.600 0.01% - 3s H 0 0 139330.00000 139320.600 0.01% - 3s Explored 0 nodes (18425 simplex iterations) in 3.68 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.393300000000e+05, best bound 1.393210000000e+05, gap 0.0065%