current bounds on the number of colors: 0 -- 31
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:35:43 2012
Optimize a model with 736 rows, 512 columns and 2580 nonzeros
Presolve removed 1 rows and 15 columns
Presolve time: 0.00s
Presolved: 735 rows, 497 columns, 2565 nonzeros
Variable types: 0 continuous, 497 integer (497 binary)
Root relaxation: objective 0.000000e+00, 64 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 (105 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 Thu Dec 13 19:35:43 2012
Optimize a model with 360 rows, 264 columns and 1204 nonzeros
Presolve removed 1 rows and 7 columns
Presolve time: 0.00s
Presolved: 359 rows, 257 columns, 1197 nonzeros
Variable types: 0 continuous, 257 integer (257 binary)
Root relaxation: objective 0.000000e+00, 59 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 (92 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 Thu Dec 13 19:35:43 2012
Optimize a model with 172 rows, 140 columns and 516 nonzeros
Presolve removed 1 rows and 3 columns
Presolve time: 0.00s
Presolved: 171 rows, 137 columns, 513 nonzeros
Variable types: 0 continuous, 137 integer (137 binary)
Root relaxation: objective 0.000000e+00, 72 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 (115 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 Thu Dec 13 19:35:43 2012
Optimize a model with 78 rows, 78 columns and 172 nonzeros
Presolve removed 78 rows and 78 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 Thu Dec 13 19:35:43 2012
Optimize a model with 125 rows, 109 columns and 344 nonzeros
Presolve removed 31 rows and 32 columns
Presolve time: 0.00s
Presolved: 94 rows, 77 columns, 282 nonzeros
Variable types: 0 continuous, 77 integer (77 binary)
Root relaxation: objective 0.000000e+00, 31 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
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (91 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