current bounds on the number of colors: 0 -- 233

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:41:03 2012

Optimize a model with 35265 rows, 27330 columns and 132124 nonzeros
Presolve removed 25 rows and 2900 columns
Presolve time: 0.17s
Presolved: 35240 rows, 24430 columns, 129224 nonzeros
Variable types: 0 continuous, 24430 integer (24430 binary)

Root relaxation: objective 0.000000e+00, 407 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 (407 simplex iterations) in 0.20 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 -- 116

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:41:04 2012

Optimize a model with 17749 rows, 13816 columns and 66062 nonzeros
Presolve removed 25 rows and 1450 columns
Presolve time: 0.12s
Presolved: 17724 rows, 12366 columns, 64612 nonzeros
Variable types: 0 continuous, 12366 integer (12366 binary)

Root relaxation: objective 0.000000e+00, 407 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 (407 simplex iterations) in 0.14 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 -- 58

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:41:04 2012

Optimize a model with 8991 rows, 7059 columns and 33031 nonzeros
Presolve removed 25 rows and 725 columns
Presolve time: 0.05s
Presolved: 8966 rows, 6334 columns, 32306 nonzeros
Variable types: 0 continuous, 6334 integer (6334 binary)

Root relaxation: objective 0.000000e+00, 400 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 (400 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 -- 29

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:41:05 2012

Optimize a model with 4461 rows, 3564 columns and 15946 nonzeros
Presolve removed 25 rows and 350 columns
Presolve time: 0.02s
Presolved: 4436 rows, 3214 columns, 15596 nonzeros
Variable types: 0 continuous, 3214 integer (3214 binary)

Root relaxation: objective 0.000000e+00, 432 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 (706 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 -- 14

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:41:05 2012

Optimize a model with 2347 rows, 1933 columns and 7973 nonzeros
Presolve removed 25 rows and 175 columns
Presolve time: 0.01s
Presolved: 2322 rows, 1758 columns, 7798 nonzeros
Variable types: 0 continuous, 1758 integer (1758 binary)

Root relaxation: objective 0.000000e+00, 415 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 (415 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 -- 7

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:41:05 2012

Optimize a model with 1139 rows, 1001 columns and 3417 nonzeros
Presolve removed 25 rows and 75 columns
Presolve time: 0.00s
Presolved: 1114 rows, 926 columns, 3342 nonzeros
Variable types: 0 continuous, 926 integer (926 binary)

Root relaxation: objective 0.000000e+00, 477 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   30          -    0.00000     -      -    0s
H    0     0                       0.0000000    0.00000   0.0%     -    0s

Explored 0 nodes (1113 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 -- 3

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:41:05 2012

Optimize a model with 535 rows, 535 columns and 1139 nonzeros
Presolve removed 535 rows and 535 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 16:41:05 2012

Optimize a model with 837 rows, 768 columns and 2278 nonzeros
Presolve removed 239 rows and 267 columns
Presolve time: 0.00s
Presolved: 598 rows, 501 columns, 1794 nonzeros
Variable types: 0 continuous, 501 integer (501 binary)

Root relaxation: objective 0.000000e+00, 229 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  202          -    0.00000     -      -    0s
     0     0 infeasible    0               -    0.10000     -      -    0s

Explored 0 nodes (812 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 -


optimal solution found: number of colors: 3