current bounds on the number of colors: 0 -- 28
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:56:24 2012
Optimize a model with 2646 rows, 579 columns and 8246 nonzeros
Presolve time: 0.01s
Presolved: 2646 rows, 579 columns, 8246 nonzeros
Variable types: 0 continuous, 579 integer (579 binary)
Root relaxation: objective 0.000000e+00, 71 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 (149 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 -- 14
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:56:24 2012
Optimize a model with 1337 rows, 383 columns and 4123 nonzeros
Presolve time: 0.00s
Presolved: 1337 rows, 383 columns, 4123 nonzeros
Variable types: 0 continuous, 383 integer (383 binary)
Root relaxation: objective 0.000000e+00, 56 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 19 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (559 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 -- 7
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:56:24 2012
Optimize a model with 589 rows, 271 columns and 1767 nonzeros
Presolve time: 0.00s
Presolved: 589 rows, 271 columns, 1767 nonzeros
Variable types: 0 continuous, 271 integer (271 binary)
Root relaxation: objective 0.000000e+00, 56 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 42 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Cutting planes:
Gomory: 1
Clique: 88
Zero half: 146
Explored 0 nodes (379 simplex iterations) in 0.02 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 17:56:25 2012
Optimize a model with 963 rows, 327 columns and 2945 nonzeros
Presolve time: 0.00s
Presolved: 963 rows, 327 columns, 2945 nonzeros
Variable types: 0 continuous, 327 integer (327 binary)
Root relaxation: objective 0.000000e+00, 56 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
0 0 0.00000 0 46 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (714 simplex iterations) in 0.04 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 17:56:25 2012
Optimize a model with 1150 rows, 355 columns and 3534 nonzeros
Presolve time: 0.00s
Presolved: 1150 rows, 355 columns, 3534 nonzeros
Variable types: 0 continuous, 355 integer (355 binary)
Root relaxation: objective 0.000000e+00, 57 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 26 - 0.00000 - - 0s
0 0 0.00000 0 38 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (726 simplex iterations) in 0.04 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