current bounds on the number of colors: 0 -- 95

Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:48:08 2012

Optimize a model with 21433 rows, 4919 columns and 68479 nonzeros
Presolve time: 0.12s
Presolved: 21433 rows, 4919 columns, 68479 nonzeros
Variable types: 0 continuous, 4919 integer (4919 binary)

Root relaxation: objective 0.000000e+00, 271 iterations, 0.01 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 (473 simplex iterations) in 0.16 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 -- 47

Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:48:09 2012

Optimize a model with 10537 rows, 2639 columns and 33511 nonzeros
Presolve time: 0.04s
Presolved: 10537 rows, 2639 columns, 33511 nonzeros
Variable types: 0 continuous, 2639 integer (2639 binary)

Root relaxation: objective 0.000000e+00, 211 iterations, 0.01 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 (382 simplex iterations) in 0.06 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 -- 23

Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:48:09 2012

Optimize a model with 5089 rows, 1499 columns and 16027 nonzeros
Presolve time: 0.02s
Presolved: 5089 rows, 1499 columns, 16027 nonzeros
Variable types: 0 continuous, 1499 integer (1499 binary)

Root relaxation: objective 0.000000e+00, 204 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 (377 simplex iterations) in 0.03 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 -- 11

Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:48:09 2012

Optimize a model with 2365 rows, 929 columns and 7285 nonzeros
Presolve time: 0.01s
Presolved: 2365 rows, 929 columns, 7285 nonzeros
Variable types: 0 continuous, 929 integer (929 binary)

Root relaxation: objective 0.000000e+00, 203 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  117          -    0.00000     -      -    0s
H    0     0                       0.0000000    0.00000   0.0%     -    0s

Explored 0 nodes (1584 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 -- 5

Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:48:09 2012

Optimize a model with 1003 rows, 644 columns and 2914 nonzeros
Presolve removed 95 rows and 95 columns
Presolve time: 0.00s
Presolved: 908 rows, 549 columns, 2724 nonzeros
Variable types: 0 continuous, 549 integer (549 binary)

Root relaxation: objective 0.000000e+00, 98 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   95          -    0.00000     -      -    0s

Explored 0 nodes (404 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Model objective exceeds cutoff
Best objective -, best bound 1.000000000000e+00, gap -


current bounds on the number of colors: 2 -- 5

Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:48:09 2012

Optimize a model with 1457 rows, 739 columns and 4371 nonzeros
Presolve time: 0.00s
Presolved: 1457 rows, 739 columns, 4371 nonzeros
Variable types: 0 continuous, 739 integer (739 binary)

Root relaxation: objective 0.000000e+00, 225 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  190          -    0.00000     -      -    0s
     0     0    0.00000    0  162          -    0.00000     -      -    0s
     0     0 infeasible    0               -    0.10000     -      -    0s

Explored 0 nodes (2233 simplex iterations) in 0.17 seconds
Thread count was 1 (of 16 available processors)

Model objective exceeds cutoff
Best objective -, best bound 1.000000000000e+00, gap -


current bounds on the number of colors: 3 -- 5

Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:48:09 2012

Optimize a model with 1911 rows, 834 columns and 5828 nonzeros
Presolve time: 0.00s
Presolved: 1911 rows, 834 columns, 5828 nonzeros
Variable types: 0 continuous, 834 integer (834 binary)

Root relaxation: objective 0.000000e+00, 216 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   98          -    0.00000     -      -    0s
     0     0    0.00000    0  155          -    0.00000     -      -    0s
     0     0    0.00000    0  239          -    0.00000     -      -    0s
     0     0    0.00000    0  250          -    0.00000     -      -    0s
     0     0    0.00000    0  250          -    0.00000     -      -    0s
     0     0    0.00000    0  231          -    0.00000     -      -    0s
     0     0    0.00000    0  245          -    0.00000     -      -    1s
     0     0    0.00000    0  242          -    0.00000     -      -    1s
     0     0    0.00000    0  243          -    0.00000     -      -    1s
     0     0    0.00000    0  243          -    0.00000     -      -    1s
     0     2    0.00000    0  243          -    0.00000     -      -    1s

Cutting planes:
  Clique: 4
  Zero half: 21

Explored 45 nodes (22514 simplex iterations) in 2.08 seconds
Thread count was 1 (of 16 available processors)

Model objective exceeds cutoff
Best objective -, best bound -, gap -


optimal solution found: number of colors: 5