current bounds on the number of colors: 0 -- 58
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:13:31 2012
Optimize a model with 493 rows, 1697 columns and 2987 nonzeros
Presolve removed 35 rows and 1015 columns
Presolve time: 0.00s
Presolved: 458 rows, 682 columns, 1972 nonzeros
Variable types: 0 continuous, 682 integer (682 binary)
Root relaxation: objective 0.000000e+00, 36 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 (36 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 -- 29
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:13:31 2012
Optimize a model with 268 rows, 827 columns and 1442 nonzeros
Presolve removed 35 rows and 490 columns
Presolve time: 0.00s
Presolved: 233 rows, 337 columns, 952 nonzeros
Variable types: 0 continuous, 337 integer (337 binary)
Root relaxation: objective 0.000000e+00, 36 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 (36 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 -- 14
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:13:31 2012
Optimize a model with 163 rows, 421 columns and 721 nonzeros
Presolve removed 35 rows and 245 columns
Presolve time: 0.00s
Presolved: 128 rows, 176 columns, 476 nonzeros
Variable types: 0 continuous, 176 integer (176 binary)
Root relaxation: objective 0.000000e+00, 35 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 (35 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 -- 7
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:13:31 2012
Optimize a model with 103 rows, 189 columns and 309 nonzeros
Presolve removed 35 rows and 105 columns
Presolve time: 0.00s
Presolved: 68 rows, 84 columns, 204 nonzeros
Variable types: 0 continuous, 84 integer (84 binary)
Root relaxation: objective 0.000000e+00, 32 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 (32 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 Sat Dec 15 16:13:31 2012
Optimize a model with 73 rows, 73 columns and 103 nonzeros
Presolve removed 73 rows and 73 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 Sat Dec 15 16:13:31 2012
Optimize a model with 88 rows, 131 columns and 206 nonzeros
Presolve removed 68 rows and 108 columns
Presolve time: 0.00s
Presolved: 20 rows, 23 columns, 60 nonzeros
Variable types: 0 continuous, 23 integer (23 binary)
Root relaxation: objective 0.000000e+00, 8 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 (8 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%
optimal solution found: number of colors: 2