Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:27:34 2013 Optimize a model with 924 rows, 70644 columns and 141204 nonzeros Presolve time: 0.11s Presolved: 924 rows, 70644 columns, 141204 nonzeros Variable types: 70560 continuous, 84 integer (84 binary) Root relaxation: objective 9.783674e+04, 2475 iterations, 0.08 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 97836.7450 0 9 - 97836.7450 - - 0s H 0 0 105383.00000 97836.7450 7.16% - 0s 0 0 98809.8652 0 6 105383.000 98809.8652 6.24% - 0s H 0 0 105193.00000 98809.8652 6.07% - 0s 0 0 98917.7905 0 3 105193.000 98917.7905 5.97% - 0s H 0 0 104339.71899 98917.7905 5.20% - 0s H 0 0 103445.00000 98917.7905 4.38% - 0s 0 0 98949.3953 0 3 103445.000 98949.3953 4.35% - 0s 0 0 98961.0284 0 3 103445.000 98961.0284 4.33% - 1s H 0 0 103318.00000 98961.0284 4.22% - 1s 0 0 98966.1937 0 3 103318.000 98966.1937 4.21% - 1s H 0 0 102973.00000 98966.1937 3.89% - 1s 0 0 98976.4420 0 3 102973.000 98976.4420 3.88% - 1s H 0 0 102939.00000 98976.4420 3.85% - 1s 0 0 98980.3429 0 3 102939.000 98980.3429 3.85% - 1s H 0 0 102913.00000 98980.3429 3.82% - 1s 0 0 98983.4024 0 3 102913.000 98983.4024 3.82% - 1s H 0 0 102867.00000 98983.4024 3.78% - 1s 0 0 98983.6682 0 3 102867.000 98983.6682 3.78% - 1s 0 0 98983.6682 0 3 102867.000 98983.6682 3.78% - 1s 0 0 98984.7945 0 3 102867.000 98984.7945 3.77% - 2s 0 2 98991.4056 0 3 102867.000 98991.4056 3.77% - 2s H 3 3 102836.18638 99077.0039 3.66% 83.0 2s H 5 5 101553.00144 99171.1621 2.35% 104 2s H 7 7 100155.00000 99171.1621 0.98% 98.4 2s H 9 8 99711.000000 99171.1621 0.54% 90.4 2s H 10 9 99668.000000 99171.1621 0.50% 84.2 2s H 11 8 99498.000000 99171.1621 0.33% 78.1 2s * 12 8 10 99346.000000 99171.1621 0.18% 73.3 2s Cutting planes: Implied bound: 126 Flow cover: 4 Explored 19 nodes (4222 simplex iterations) in 2.97 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.934600000000e+04, best bound 9.934600000000e+04, gap 0.0%