current bounds on the number of colors: 0 -- 39
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:35:53 2012
Optimize a model with 1559 rows, 821 columns and 5301 nonzeros
Presolve removed 1 rows and 19 columns
Presolve time: 0.01s
Presolved: 1558 rows, 802 columns, 5282 nonzeros
Variable types: 0 continuous, 802 integer (802 binary)
Root relaxation: objective 0.000000e+00, 86 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 (148 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 -- 19
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:35:53 2012
Optimize a model with 759 rows, 431 columns and 2511 nonzeros
Presolve removed 1 rows and 9 columns
Presolve time: 0.00s
Presolved: 758 rows, 422 columns, 2502 nonzeros
Variable types: 0 continuous, 422 integer (422 binary)
Root relaxation: objective 0.000000e+00, 77 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 (77 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 -- 9
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:35:53 2012
Optimize a model with 359 rows, 236 columns and 1116 nonzeros
Presolve removed 1 rows and 4 columns
Presolve time: 0.00s
Presolved: 358 rows, 232 columns, 1112 nonzeros
Variable types: 0 continuous, 232 integer (232 binary)
Root relaxation: objective 0.000000e+00, 83 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 (144 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 -- 4
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:35:53 2012
Optimize a model with 199 rows, 158 columns and 558 nonzeros
Presolve removed 39 rows and 40 columns
Presolve time: 0.00s
Presolved: 160 rows, 118 columns, 480 nonzeros
Variable types: 0 continuous, 118 integer (118 binary)
Root relaxation: objective 0.000000e+00, 39 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 38 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (159 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 -
current bounds on the number of colors: 2 -- 4
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:35:53 2012
Optimize a model with 279 rows, 197 columns and 837 nonzeros
Presolve removed 1 rows and 3 columns
Presolve time: 0.00s
Presolved: 278 rows, 194 columns, 834 nonzeros
Variable types: 0 continuous, 194 integer (194 binary)
Root relaxation: objective 0.000000e+00, 83 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 67 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (272 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%
optimal solution found: number of colors: 3