current bounds on the number of colors: 0 -- 65
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:37:29 2012
Optimize a model with 6593 rows, 2284 columns and 21664 nonzeros
Presolve time: 0.03s
Presolved: 6593 rows, 2284 columns, 21664 nonzeros
Variable types: 0 continuous, 2284 integer (2284 binary)
Root relaxation: objective 0.000000e+00, 154 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 (269 simplex iterations) in 0.05 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 -- 32
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:37:29 2012
Optimize a model with 3329 rows, 1244 columns and 10832 nonzeros
Presolve time: 0.01s
Presolved: 3329 rows, 1244 columns, 10832 nonzeros
Variable types: 0 continuous, 1244 integer (1244 binary)
Root relaxation: objective 0.000000e+00, 133 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 (226 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 -- 16
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:37:30 2012
Optimize a model with 1697 rows, 724 columns and 5416 nonzeros
Presolve time: 0.00s
Presolved: 1697 rows, 724 columns, 5416 nonzeros
Variable types: 0 continuous, 724 integer (724 binary)
Root relaxation: objective 0.000000e+00, 146 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 (268 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 -- 8
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:37:30 2012
Optimize a model with 881 rows, 464 columns and 2708 nonzeros
Presolve time: 0.00s
Presolved: 881 rows, 464 columns, 2708 nonzeros
Variable types: 0 continuous, 464 integer (464 binary)
Root relaxation: objective 0.000000e+00, 144 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 40 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (915 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 -- 4
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:37:30 2012
Optimize a model with 473 rows, 334 columns and 1354 nonzeros
Presolve removed 65 rows and 65 columns
Presolve time: 0.00s
Presolved: 408 rows, 269 columns, 1224 nonzeros
Variable types: 0 continuous, 269 integer (269 binary)
Root relaxation: objective 0.000000e+00, 70 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 65 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (276 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 19:37:30 2012
Optimize a model with 677 rows, 399 columns and 2031 nonzeros
Presolve time: 0.00s
Presolved: 677 rows, 399 columns, 2031 nonzeros
Variable types: 0 continuous, 399 integer (399 binary)
Root relaxation: objective 0.000000e+00, 150 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 0 124 - 0.00000 - - 0s
0 0 0.00000 0 122 - 0.00000 - - 0s
0 0 0.00000 0 168 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Cutting planes:
Gomory: 7
Zero half: 130
Explored 0 nodes (1834 simplex iterations) in 0.08 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: 4