Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:59:16 2013 Optimize a model with 16480 rows, 16080 columns and 64080 nonzeros Presolve removed 40 rows and 0 columns Presolve time: 0.07s Presolved: 16440 rows, 16080 columns, 64040 nonzeros Variable types: 16040 continuous, 40 integer (40 binary) Root relaxation: objective 3.622927e+04, 1967 iterations, 0.26 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 36229.2725 0 33 - 36229.2725 - - 0s H 0 0 43345.000000 36229.2725 16.4% - 0s 0 0 40394.2197 0 6 43345.0000 40394.2197 6.81% - 1s H 0 0 42636.550273 40394.2197 5.26% - 1s H 0 0 41981.000000 40394.2197 3.78% - 1s H 0 0 41807.000000 40394.2197 3.38% - 1s 0 0 40490.9494 0 3 41807.0000 40490.9494 3.15% - 1s H 0 0 41313.388186 40490.9494 1.99% - 1s H 0 0 41126.000000 40490.9494 1.54% - 1s H 0 0 40524.000000 40490.9494 0.08% - 1s 0 0 40522.3333 0 1 40524.0000 40522.3333 0.00% - 1s Cutting planes: Gomory: 1 Implied bound: 34 Explored 0 nodes (3325 simplex iterations) in 1.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.052400000000e+04, best bound 4.052233333333e+04, gap 0.0041%