Gurobi 5.0.1 (linux64) logging started Thu Jan 24 20:12:40 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 57912.000000 Root relaxation: objective 6.051880e+04, 24 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 60518.7951 0 10 57912.0000 60518.7951 4.50% - 0s H 0 0 59821.000000 60518.7951 1.17% - 0s 0 0 60499.9465 0 13 59821.0000 60499.9465 1.13% - 0s H 0 0 59909.000000 60499.9465 0.99% - 0s 0 0 60489.7014 0 12 59909.0000 60489.7014 0.97% - 0s 0 0 60485.2930 0 12 59909.0000 60485.2930 0.96% - 0s H 0 0 59975.000000 60485.2930 0.85% - 0s 0 0 60484.4382 0 16 59975.0000 60484.4382 0.85% - 0s 0 2 60482.7093 0 16 59975.0000 60482.7093 0.85% - 0s H 5 5 60058.000000 60475.8719 0.70% 4.2 0s H 494 355 60124.000000 60450.3297 0.54% 3.5 0s H 1080 498 60205.000000 60438.8730 0.39% 3.9 0s Cutting planes: Gomory: 9 Cover: 1 MIR: 2 Explored 29775 nodes (101092 simplex iterations) in 1.87 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.020500000000e+04, best bound 6.021000000000e+04, gap 0.0083%