current bounds on the number of colors: 0 -- 53
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:19:59 2012
Optimize a model with 1561 rows, 1436 columns and 5902 nonzeros
Presolve removed 3 rows and 78 columns
Presolve time: 0.01s
Presolved: 1558 rows, 1358 columns, 5824 nonzeros
Variable types: 0 continuous, 1358 integer (1358 binary)
Root relaxation: objective 0.000000e+00, 97 iterations, 0.00 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
* 0 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (144 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0%
current bounds on the number of colors: 0 -- 26
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:19:59 2012
Optimize a model with 807 rows, 747 columns and 2951 nonzeros
Presolve removed 3 rows and 39 columns
Presolve time: 0.00s
Presolved: 804 rows, 708 columns, 2912 nonzeros
Variable types: 0 continuous, 708 integer (708 binary)
Root relaxation: objective 0.000000e+00, 95 iterations, 0.00 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
* 0 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (95 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0%
current bounds on the number of colors: 0 -- 13
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:19:59 2012
Optimize a model with 401 rows, 376 columns and 1362 nonzeros
Presolve removed 3 rows and 18 columns
Presolve time: 0.00s
Presolved: 398 rows, 358 columns, 1344 nonzeros
Variable types: 0 continuous, 358 integer (358 binary)
Root relaxation: objective 0.000000e+00, 86 iterations, 0.00 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
* 0 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (125 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0%
current bounds on the number of colors: 0 -- 6
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:19:59 2012
Optimize a model with 227 rows, 217 columns and 681 nonzeros
Presolve removed 3 rows and 9 columns
Presolve time: 0.00s
Presolved: 224 rows, 208 columns, 672 nonzeros
Variable types: 0 continuous, 208 integer (208 binary)
Root relaxation: objective 0.000000e+00, 83 iterations, 0.00 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
* 0 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (108 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0%
current bounds on the number of colors: 0 -- 3
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:19:59 2012
Optimize a model with 111 rows, 111 columns and 227 nonzeros
Presolve removed 111 rows and 111 columns
Presolve time: 0.00s
Explored 0 nodes (0 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound -, gap -
current bounds on the number of colors: 1 -- 3
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:19:59 2012
Optimize a model with 169 rows, 164 columns and 454 nonzeros
Presolve removed 57 rows and 62 columns
Presolve time: 0.00s
Presolved: 112 rows, 102 columns, 336 nonzeros
Variable types: 0 continuous, 102 integer (102 binary)
Root relaxation: objective 0.000000e+00, 50 iterations, 0.00 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 0.00000 0 46 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (186 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound 1.000000000000e+00, gap -
optimal solution found: number of colors: 3