current bounds on the number of colors: 0 -- 30
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:56:41 2012
Optimize a model with 3465 rows, 679 columns and 10755 nonzeros
Presolve time: 0.01s
Presolved: 3465 rows, 679 columns, 10755 nonzeros
Variable types: 0 continuous, 679 integer (679 binary)
Root relaxation: objective 0.000000e+00, 63 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 (156 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 -- 15
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:56:41 2012
Optimize a model with 1633 rows, 439 columns and 5019 nonzeros
Presolve time: 0.00s
Presolved: 1633 rows, 439 columns, 5019 nonzeros
Variable types: 0 continuous, 439 integer (439 binary)
Root relaxation: objective 0.000000e+00, 61 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 34 - 0.00000 - - 0s
0 0 0.00000 0 26 - 0.00000 - - 0s
Cutting planes:
Clique: 5
Explored 0 nodes (771 simplex iterations) in 0.04 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 17:56:41 2012
Optimize a model with 717 rows, 319 columns and 2151 nonzeros
Presolve time: 0.00s
Presolved: 717 rows, 319 columns, 2151 nonzeros
Variable types: 0 continuous, 319 integer (319 binary)
Root relaxation: objective 0.000000e+00, 61 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 58 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Cutting planes:
Gomory: 3
Clique: 130
Zero half: 151
Explored 0 nodes (230 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: 3 -- 7
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:56:41 2012
Optimize a model with 1175 rows, 379 columns and 3585 nonzeros
Presolve time: 0.00s
Presolved: 1175 rows, 379 columns, 3585 nonzeros
Variable types: 0 continuous, 379 integer (379 binary)
Root relaxation: objective 0.000000e+00, 60 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 46 - 0.00000 - - 0s
0 0 0.00000 0 58 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (1050 simplex iterations) in 0.07 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: 5 -- 7
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:56:41 2012
Optimize a model with 1404 rows, 409 columns and 4302 nonzeros
Presolve time: 0.00s
Presolved: 1404 rows, 409 columns, 4302 nonzeros
Variable types: 0 continuous, 409 integer (409 binary)
Root relaxation: objective 0.000000e+00, 60 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 0.00000 0 20 - 0.00000 - - 0s
0 0 0.00000 0 134 - 0.00000 - - 0s
0 0 0.00000 0 137 - 0.00000 - - 0s
0 0 0.00000 0 141 - 0.00000 - - 0s
0 0 0.00000 0 113 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Cutting planes:
Clique: 14
Zero half: 105
Explored 0 nodes (4503 simplex iterations) in 0.33 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: 7