current bounds on the number of colors: 0 -- 184
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 02:40:11 2012
Optimize a model with 77556 rows, 17769 columns and 249044 nonzeros
Presolve time: 0.25s
Presolved: 77556 rows, 17769 columns, 249044 nonzeros
Variable types: 0 continuous, 17769 integer (17769 binary)
Root relaxation: objective 0.000000e+00, 616 iterations, 0.06 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 (1003 simplex iterations) in 0.41 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 -- 92
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 02:40:13 2012
Optimize a model with 38870 rows, 9305 columns and 124522 nonzeros
Presolve time: 0.15s
Presolved: 38870 rows, 9305 columns, 124522 nonzeros
Variable types: 0 continuous, 9305 integer (9305 binary)
Root relaxation: objective 0.000000e+00, 437 iterations, 0.02 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 (782 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 -- 46
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 02:40:13 2012
Optimize a model with 19527 rows, 5073 columns and 62261 nonzeros
Presolve time: 0.08s
Presolved: 19527 rows, 5073 columns, 62261 nonzeros
Variable types: 0 continuous, 5073 integer (5073 binary)
Root relaxation: objective 0.000000e+00, 377 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 (716 simplex iterations) in 0.12 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 -- 23
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 02:40:14 2012
Optimize a model with 9435 rows, 2865 columns and 29777 nonzeros
Presolve time: 0.03s
Presolved: 9435 rows, 2865 columns, 29777 nonzeros
Variable types: 0 continuous, 2865 integer (2865 binary)
Root relaxation: objective 0.000000e+00, 382 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 (721 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 -- 11
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 02:40:14 2012
Optimize a model with 4389 rows, 1761 columns and 13535 nonzeros
Presolve time: 0.01s
Presolved: 4389 rows, 1761 columns, 13535 nonzeros
Variable types: 0 continuous, 1761 integer (1761 binary)
Root relaxation: objective 0.000000e+00, 401 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 (2182 simplex iterations) in 0.14 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 -- 5
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 02:40:14 2012
Optimize a model with 1866 rows, 1209 columns and 5414 nonzeros
Presolve removed 184 rows and 184 columns
Presolve time: 0.00s
Presolved: 1682 rows, 1025 columns, 5046 nonzeros
Variable types: 0 continuous, 1025 integer (1025 binary)
Root relaxation: objective 0.000000e+00, 193 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 0 184 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (801 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: 2 -- 5
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 02:40:14 2012
Optimize a model with 2707 rows, 1393 columns and 8121 nonzeros
Presolve time: 0.01s
Presolved: 2707 rows, 1393 columns, 8121 nonzeros
Variable types: 0 continuous, 1393 integer (1393 binary)
Root relaxation: objective 0.000000e+00, 415 iterations, 0.01 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 0.00000 0 364 - 0.00000 - - 0s
0 0 0.00000 0 368 - 0.00000 - - 0s
0 0 0.00000 0 485 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 1s
Cutting planes:
Gomory: 9
Zero half: 950
Explored 0 nodes (7788 simplex iterations) in 1.02 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 -- 5
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 02:40:15 2012
Optimize a model with 3548 rows, 1577 columns and 10828 nonzeros
Presolve time: 0.01s
Presolved: 3548 rows, 1577 columns, 10828 nonzeros
Variable types: 0 continuous, 1577 integer (1577 binary)
Root relaxation: objective 0.000000e+00, 419 iterations, 0.01 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 0.00000 0 360 - 0.00000 - - 0s
0 0 0.00000 0 352 - 0.00000 - - 0s
0 0 0.00000 0 342 - 0.00000 - - 0s
0 0 0.00000 0 373 - 0.00000 - - 0s
0 0 0.00000 0 332 - 0.00000 - - 1s
0 0 0.00000 0 332 - 0.00000 - - 1s
0 0 0.00000 0 326 - 0.00000 - - 1s
0 0 0.00000 0 338 - 0.00000 - - 2s
0 0 0.00000 0 316 - 0.00000 - - 2s
0 0 0.00000 0 312 - 0.00000 - - 3s
0 0 0.00000 0 312 - 0.00000 - - 3s
0 0 0.00000 0 296 - 0.00000 - - 3s
0 0 0.00000 0 300 - 0.00000 - - 4s
0 0 0.00000 0 300 - 0.00000 - - 4s
0 2 0.00000 0 300 - 0.00000 - - 4s
26 22 0.00000 17 342 - 0.00000 - 205 5s
605 80 0.00000 21 306 - 0.00000 - 112 10s
610 83 0.00000 18 286 - 0.00000 - 112 16s
614 86 0.00000 7 428 - 0.00000 - 111 21s
617 88 0.00000 10 401 - 0.00000 - 110 26s
656 104 0.00000 28 308 - 0.00000 - 211 30s
979 25 0.00000 24 318 - 0.00000 - 213 35s
1305 17 0.00000 14 418 - 0.00000 - 217 40s
1635 39 infeasible 26 - 0.00000 - 215 45s
1930 36 0.00000 22 362 - 0.00000 - 220 50s
2253 41 infeasible 27 - 0.00000 - 220 55s
2522 48 infeasible 26 - 0.00000 - 224 60s
2827 45 infeasible 28 - 0.00000 - 228 65s
3115 43 0.00000 24 373 - 0.00000 - 230 70s
3385 45 0.00000 24 318 - 0.00000 - 233 75s
3720 46 infeasible 24 - 0.00000 - 232 80s
3982 30 infeasible 25 - 0.00000 - 234 85s
4289 31 0.00000 25 324 - 0.00000 - 233 90s
4622 28 infeasible 26 - 0.00000 - 233 95s
4984 36 infeasible 23 - 0.00000 - 230 100s
5334 30 0.00000 28 300 - 0.00000 - 230 105s
5648 28 infeasible 25 - 0.00000 - 230 110s
5985 37 infeasible 25 - 0.00000 - 229 115s
6297 33 infeasible 27 - 0.00000 - 229 120s
6578 20 0.00000 29 367 - 0.00000 - 230 125s
6866 20 infeasible 24 - 0.00000 - 231 130s
7186 26 infeasible 26 - 0.00000 - 231 135s
7532 24 infeasible 28 - 0.00000 - 230 140s
7824 12 0.00000 23 330 - 0.00000 - 230 145s
8104 8 0.00000 21 318 - 0.00000 - 231 150s
Cutting planes:
Gomory: 3
Clique: 1
Zero half: 24
Explored 8207 nodes (1932029 simplex iterations) in 151.56 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound -, gap -
optimal solution found: number of colors: 5