current bounds on the number of colors: 0 -- 111
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:06:39 2012
Optimize a model with 33551 rows, 6713 columns and 106425 nonzeros
Presolve time: 0.15s
Presolved: 33551 rows, 6713 columns, 106425 nonzeros
Variable types: 0 continuous, 6713 integer (6713 binary)
Root relaxation: objective 0.000000e+00, 384 iterations, 0.03 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 (695 simplex iterations) in 0.23 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 -- 55
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:06:39 2012
Optimize a model with 16527 rows, 3605 columns and 52245 nonzeros
Presolve time: 0.07s
Presolved: 16527 rows, 3605 columns, 52245 nonzeros
Variable types: 0 continuous, 3605 integer (3605 binary)
Root relaxation: objective 0.000000e+00, 277 iterations, 0.01 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 (524 simplex iterations) in 0.10 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 -- 27
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:06:40 2012
Optimize a model with 8015 rows, 2051 columns and 25155 nonzeros
Presolve time: 0.03s
Presolved: 8015 rows, 2051 columns, 25155 nonzeros
Variable types: 0 continuous, 2051 integer (2051 binary)
Root relaxation: objective 0.000000e+00, 224 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 (441 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 -- 13
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:06:40 2012
Optimize a model with 3759 rows, 1274 columns and 11610 nonzeros
Presolve time: 0.01s
Presolved: 3759 rows, 1274 columns, 11610 nonzeros
Variable types: 0 continuous, 1274 integer (1274 binary)
Root relaxation: objective 0.000000e+00, 235 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 (919 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 -- 6
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:06:40 2012
Optimize a model with 1935 rows, 941 columns and 5805 nonzeros
Presolve time: 0.00s
Presolved: 1935 rows, 941 columns, 5805 nonzeros
Variable types: 0 continuous, 941 integer (941 binary)
Root relaxation: objective 0.000000e+00, 247 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 0 180 - 0.00000 - - 0s
0 0 0.00000 0 220 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (3413 simplex iterations) in 0.31 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 -- 6
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:06:40 2012
Optimize a model with 2543 rows, 1052 columns and 7740 nonzeros
Presolve time: 0.01s
Presolved: 2543 rows, 1052 columns, 7740 nonzeros
Variable types: 0 continuous, 1052 integer (1052 binary)
Root relaxation: objective 0.000000e+00, 238 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 0 214 - 0.00000 - - 0s
0 0 0.00000 0 193 - 0.00000 - - 0s
0 0 0.00000 0 269 - 0.00000 - - 0s
0 0 0.00000 0 335 - 0.00000 - - 0s
0 0 0.00000 0 315 - 0.00000 - - 1s
0 0 0.00000 0 315 - 0.00000 - - 1s
0 0 0.00000 0 309 - 0.00000 - - 1s
0 0 0.00000 0 258 - 0.00000 - - 2s
0 0 0.00000 0 293 - 0.00000 - - 2s
0 0 0.00000 0 283 - 0.00000 - - 3s
0 0 0.00000 0 308 - 0.00000 - - 3s
0 0 0.00000 0 306 - 0.00000 - - 3s
0 2 0.00000 0 306 - 0.00000 - - 4s
Cutting planes:
Clique: 8
Zero half: 17
Explored 9 nodes (31584 simplex iterations) in 4.37 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: 4 -- 6
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:06:45 2012
Optimize a model with 3151 rows, 1163 columns and 9675 nonzeros
Presolve time: 0.01s
Presolved: 3151 rows, 1163 columns, 9675 nonzeros
Variable types: 0 continuous, 1163 integer (1163 binary)
Root relaxation: objective 0.000000e+00, 244 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 0 206 - 0.00000 - - 0s
0 0 0.00000 0 214 - 0.00000 - - 0s
0 0 0.00000 0 69 - 0.00000 - - 0s
0 0 0.00000 0 261 - 0.00000 - - 0s
0 0 0.00000 0 255 - 0.00000 - - 0s
* 0 0 0 0.0000000 0.00000 0.0% - 1s
Cutting planes:
Gomory: 3
Zero half: 85
Explored 0 nodes (9870 simplex iterations) in 1.04 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%
optimal solution found: number of colors: 5