Gurobi 5.0.1 (linux64) logging started Thu Jan 24 20:12:27 2013 Optimize a model with 10 rows, 100 columns and 1000 nonzeros Presolve time: 0.00s Presolved: 10 rows, 100 columns, 1000 nonzeros Variable types: 0 continuous, 100 integer (100 binary) Found heuristic solution: objective 58631.000000 Root relaxation: objective 6.168839e+04, 22 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 61688.3900 0 9 58631.0000 61688.3900 5.21% - 0s H 0 0 60966.000000 61688.3900 1.18% - 0s 0 0 61682.1174 0 10 60966.0000 61682.1174 1.17% - 0s H 0 0 61336.000000 61682.1174 0.56% - 0s 0 0 61681.3499 0 11 61336.0000 61681.3499 0.56% - 0s 0 0 61679.5056 0 12 61336.0000 61679.5056 0.56% - 0s 0 0 61675.4439 0 11 61336.0000 61675.4439 0.55% - 0s 0 0 61671.5830 0 12 61336.0000 61671.5830 0.55% - 0s 0 0 61670.7266 0 14 61336.0000 61670.7266 0.55% - 0s 0 2 61669.9316 0 14 61336.0000 61669.9316 0.54% - 0s H 798 487 61368.000000 61643.0476 0.45% 3.8 0s H42903 14380 61437.000000 61516.5851 0.13% 3.6 3s Cutting planes: Gomory: 7 Explored 73368 nodes (257700 simplex iterations) in 4.78 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.143700000000e+04, best bound 6.144300000000e+04, gap 0.0098%