current bounds on the number of colors: 0 -- 191

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:27:43 2012

Optimize a model with 18146 rows, 18334 columns and 72010 nonzeros
Presolve removed 25 rows and 2375 columns
Presolve time: 0.12s
Presolved: 18121 rows, 15959 columns, 69635 nonzeros
Variable types: 0 continuous, 15959 integer (15959 binary)

Root relaxation: objective 0.000000e+00, 308 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 (308 simplex iterations) in 0.13 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 -- 95

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:27:44 2012

Optimize a model with 9074 rows, 9166 columns and 35626 nonzeros
Presolve removed 25 rows and 1175 columns
Presolve time: 0.08s
Presolved: 9049 rows, 7991 columns, 34451 nonzeros
Variable types: 0 continuous, 7991 integer (7991 binary)

Root relaxation: objective 0.000000e+00, 309 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 (309 simplex iterations) in 0.09 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 Sat Dec 15 16:27:44 2012

Optimize a model with 4538 rows, 4582 columns and 17434 nonzeros
Presolve removed 25 rows and 575 columns
Presolve time: 0.03s
Presolved: 4513 rows, 4007 columns, 16859 nonzeros
Variable types: 0 continuous, 4007 integer (4007 binary)

Root relaxation: objective 0.000000e+00, 303 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 (303 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 -- 23

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:27:44 2012

Optimize a model with 2270 rows, 2290 columns and 8338 nonzeros
Presolve removed 25 rows and 275 columns
Presolve time: 0.01s
Presolved: 2245 rows, 2015 columns, 8063 nonzeros
Variable types: 0 continuous, 2015 integer (2015 binary)

Root relaxation: objective 0.000000e+00, 302 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 (302 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 -- 11

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:27:44 2012

Optimize a model with 1136 rows, 1144 columns and 3790 nonzeros
Presolve removed 25 rows and 125 columns
Presolve time: 0.00s
Presolved: 1111 rows, 1019 columns, 3665 nonzeros
Variable types: 0 continuous, 1019 integer (1019 binary)

Root relaxation: objective 0.000000e+00, 267 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 (267 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 -- 5

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:27:44 2012

Optimize a model with 569 rows, 571 columns and 1516 nonzeros
Presolve removed 195 rows and 222 columns
Presolve time: 0.00s
Presolved: 374 rows, 349 columns, 1122 nonzeros
Variable types: 0 continuous, 349 integer (349 binary)

Root relaxation: objective 0.000000e+00, 180 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  153          -    0.00000     -      -    0s

Explored 0 nodes (611 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 Sat Dec 15 16:27:44 2012

Optimize a model with 758 rows, 762 columns and 2274 nonzeros
Presolve removed 25 rows and 75 columns
Presolve time: 0.00s
Presolved: 733 rows, 687 columns, 2199 nonzeros
Variable types: 0 continuous, 687 integer (687 binary)

Root relaxation: objective 0.000000e+00, 275 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 (275 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: 3