Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:43:47 2013 Optimize a model with 64960 rows, 64160 columns and 256160 nonzeros Presolve removed 80 rows and 0 columns Presolve time: 0.30s Presolved: 64880 rows, 64160 columns, 256080 nonzeros Variable types: 64080 continuous, 80 integer (80 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 7624 6.9820792e+04 3.407528e+04 0.000000e+00 5s 8923 7.0095997e+04 0.000000e+00 0.000000e+00 8s Root relaxation: objective 7.009600e+04, 8923 iterations, 7.79 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 70095.9968 0 61 - 70095.9968 - - 8s H 0 0 115108.00000 70095.9968 39.1% - 15s 0 0 89131.6145 0 18 115108.000 89131.6145 22.6% - 26s H 0 0 111706.00000 89131.6145 20.2% - 27s 0 0 94379.5784 0 9 111706.000 94379.5784 15.5% - 29s H 0 0 106823.00000 94379.5784 11.6% - 29s 0 0 95303.8713 0 4 106823.000 95303.8713 10.8% - 30s H 0 0 101517.20216 95303.8713 6.12% - 30s H 0 0 100503.00000 95303.8713 5.17% - 30s 0 0 95545.3915 0 4 100503.000 95545.3915 4.93% - 31s H 0 0 97640.907823 95545.3915 2.15% - 31s H 0 0 96998.000000 95545.3915 1.50% - 31s H 0 0 95736.000000 95545.3915 0.20% - 31s 0 0 95654.4253 0 3 95736.0000 95654.4253 0.09% - 31s 0 0 95674.4321 0 1 95736.0000 95674.4321 0.06% - 32s 0 0 95678.8824 0 1 95736.0000 95678.8824 0.06% - 32s Cutting planes: Implied bound: 80 Explored 0 nodes (19472 simplex iterations) in 32.67 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.573600000000e+04, best bound 9.573600000000e+04, gap 0.0%