Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:31:33 2013 Optimize a model with 35518 rows, 34928 columns and 139358 nonzeros Presolve removed 59 rows and 0 columns Presolve time: 0.15s Presolved: 35459 rows, 34928 columns, 139299 nonzeros Variable types: 34869 continuous, 59 integer (59 binary) Root relaxation: objective 4.966168e+04, 4261 iterations, 1.42 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 49661.6789 0 46 - 49661.6789 - - 1s H 0 0 73490.000000 49661.6789 32.4% - 2s 0 0 61045.7241 0 18 73490.0000 61045.7241 16.9% - 6s H 0 0 69868.000000 61045.7241 12.6% - 6s 0 0 63035.2135 0 9 69868.0000 63035.2135 9.78% - 7s H 0 0 68184.000000 63035.2135 7.55% - 7s 0 0 63109.7974 0 6 68184.0000 63109.7974 7.44% - 8s H 0 0 67072.628170 63109.7974 5.91% - 8s H 0 0 66116.000000 63109.7974 4.55% - 8s 0 0 63151.0608 0 2 66116.0000 63151.0608 4.48% - 8s H 0 0 64630.170389 63151.0608 2.29% - 8s H 0 0 64288.000000 63151.0608 1.77% - 8s 0 2 63158.3260 0 2 64288.0000 63158.3260 1.76% - 9s 1 3 63267.4294 1 3 64288.0000 63267.4294 1.59% 194 10s H 2 2 63482.000000 63267.4294 0.34% 97.0 10s H 3 3 63461.000000 63295.7059 0.26% 105 10s H 5 5 63403.090909 63300.8364 0.16% 77.0 10s * 10 6 8 63390.000000 63300.8364 0.14% 86.5 10s H 16 6 63382.937500 63306.4340 0.12% 78.1 10s * 17 4 8 63344.000000 63306.4340 0.06% 79.2 10s * 20 1 5 63341.000000 63325.9891 0.02% 87.0 10s Cutting planes: Implied bound: 57 Explored 22 nodes (10977 simplex iterations) in 10.86 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.334100000000e+04, best bound 6.334100000000e+04, gap 0.0%