current bounds on the number of colors: 0 -- 120

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:16:31 2012

Optimize a model with 5040 rows, 7282 columns and 21960 nonzeros
Presolve removed 27 rows and 1620 columns
Presolve time: 0.06s
Presolved: 5013 rows, 5662 columns, 20340 nonzeros
Variable types: 0 continuous, 5662 integer (5662 binary)

Root relaxation: objective 0.000000e+00, 158 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 (158 simplex iterations) in 0.07 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 -- 60

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:16:31 2012

Optimize a model with 2580 rows, 3682 columns and 10980 nonzeros
Presolve removed 27 rows and 810 columns
Presolve time: 0.02s
Presolved: 2553 rows, 2872 columns, 10170 nonzeros
Variable types: 0 continuous, 2872 integer (2872 binary)

Root relaxation: objective 0.000000e+00, 158 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 (158 simplex iterations) in 0.02 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 -- 30

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:16:31 2012

Optimize a model with 1350 rows, 1882 columns and 5490 nonzeros
Presolve removed 27 rows and 405 columns
Presolve time: 0.01s
Presolved: 1323 rows, 1477 columns, 5085 nonzeros
Variable types: 0 continuous, 1477 integer (1477 binary)

Root relaxation: objective 0.000000e+00, 168 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 (248 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 -- 15

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:16:31 2012

Optimize a model with 694 rows, 922 columns and 2562 nonzeros
Presolve removed 27 rows and 189 columns
Presolve time: 0.00s
Presolved: 667 rows, 733 columns, 2373 nonzeros
Variable types: 0 continuous, 733 integer (733 binary)

Root relaxation: objective 0.000000e+00, 151 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 (206 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 16:16:31 2012

Optimize a model with 366 rows, 442 columns and 1098 nonzeros
Presolve removed 27 rows and 81 columns
Presolve time: 0.00s
Presolved: 339 rows, 361 columns, 1017 nonzeros
Variable types: 0 continuous, 361 integer (361 binary)

Root relaxation: objective 0.000000e+00, 130 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 (130 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 16:16:31 2012

Optimize a model with 202 rows, 202 columns and 366 nonzeros
Presolve removed 202 rows and 202 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 16:16:31 2012

Optimize a model with 284 rows, 322 columns and 732 nonzeros
Presolve removed 134 rows and 168 columns
Presolve time: 0.00s
Presolved: 150 rows, 154 columns, 450 nonzeros
Variable types: 0 continuous, 154 integer (154 binary)

Root relaxation: objective 0.000000e+00, 89 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   63          -    0.00000     -      -    0s

Explored 0 nodes (267 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