Gurobi 5.0.1 (linux64) logging started Sat Jan 26 21:33:01 2013 Optimize a model with 30 rows, 100 columns and 3000 nonzeros Presolve time: 0.01s Presolved: 30 rows, 100 columns, 3000 nonzeros Variable types: 0 continuous, 100 integer (100 binary) Found heuristic solution: objective 57025.000000 Root relaxation: objective 5.938082e+04, 45 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 59380.8202 0 20 57025.0000 59380.8202 4.13% - 0s H 0 0 58589.000000 59380.8202 1.35% - 0s 0 0 59363.9902 0 19 58589.0000 59363.9902 1.32% - 0s 0 0 59356.3541 0 20 58589.0000 59356.3541 1.31% - 0s 0 0 59351.9442 0 19 58589.0000 59351.9442 1.30% - 0s H 0 0 58664.000000 59351.9442 1.17% - 0s 0 2 59351.4046 0 19 58664.0000 59351.4046 1.17% - 0s H 36 35 58842.000000 59331.6419 0.83% 7.6 0s H 484 364 58884.000000 59282.5615 0.68% 5.5 0s 40804 10075 58910.3097 31 14 58884.0000 59036.7460 0.26% 6.0 5s 85215 6827 58965.2358 41 12 58884.0000 58965.2358 0.14% 5.7 10s Explored 99374 nodes (552504 simplex iterations) in 11.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.888400000000e+04, best bound 5.888900000000e+04, gap 0.0085%