Gurobi 5.0.1 (linux64) logging started Wed Apr 24 02:54:26 2013
Optimize a model with 57150 rows, 56400 columns and 225150 nonzeros
Presolve removed 75 rows and 0 columns
Presolve time: 0.26s
Presolved: 57075 rows, 56400 columns, 225075 nonzeros
Variable types: 56325 continuous, 75 integer (75 binary)
Root simplex log...
Iteration Objective Primal Inf. Dual Inf. Time
7506 6.1602377e+04 3.860500e+01 0.000000e+00 5s
7544 6.1602563e+04 0.000000e+00 0.000000e+00 5s
Root relaxation: objective 6.160256e+04, 7544 iterations, 5.20 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 61602.5633 0 57 - 61602.5633 - - 5s
H 0 0 103406.00000 61602.5633 40.4% - 8s
0 0 77636.2421 0 19 103406.000 77636.2421 24.9% - 17s
H 0 0 94635.000000 77636.2421 18.0% - 18s
0 0 82584.9680 0 9 94635.0000 82584.9680 12.7% - 22s
H 0 0 92206.000000 82584.9680 10.4% - 22s
0 0 84032.2691 0 4 92206.0000 84032.2691 8.86% - 24s
H 0 0 89950.644348 84032.2691 6.58% - 24s
H 0 0 86959.000000 84032.2691 3.37% - 24s
0 0 84365.4504 0 5 86959.0000 84365.4504 2.98% - 25s
H 0 0 85889.000000 84365.4504 1.77% - 26s
0 2 84389.1824 0 5 85889.0000 84389.1824 1.75% - 27s
H 4 4 84821.347687 84464.6988 0.42% 58.8 28s
H 17 7 84576.000000 84467.3041 0.13% 70.8 29s
H 19 7 84572.000000 84467.3041 0.12% 70.7 29s
* 21 6 20 84556.000000 84467.3041 0.10% 65.7 29s
31 4 84550.5256 5 3 84556.0000 84483.6863 0.09% 72.9 30s
* 38 0 6 84505.000000 84505.0000 0.0% 71.1 30s
Cutting planes:
Implied bound: 75
Explored 39 nodes (21669 simplex iterations) in 30.32 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 8.450500000000e+04, best bound 8.450500000000e+04, gap 0.0%