current bounds on the number of colors: 0 -- 202
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 09:57:25 2012
Optimize a model with 103323 rows, 21423 columns and 329765 nonzeros
Presolve time: 0.34s
Presolved: 103323 rows, 21423 columns, 329765 nonzeros
Variable types: 0 continuous, 21423 integer (21423 binary)
Root relaxation: objective 0.000000e+00, 796 iterations, 0.10 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 (1231 simplex iterations) in 0.59 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 -- 101
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 09:57:27 2012
Optimize a model with 51252 rows, 11121 columns and 163250 nonzeros
Presolve time: 0.17s
Presolved: 51252 rows, 11121 columns, 163250 nonzeros
Variable types: 0 continuous, 11121 integer (11121 binary)
Root relaxation: objective 0.000000e+00, 726 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 (1206 simplex iterations) in 0.30 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 -- 50
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 09:57:28 2012
Optimize a model with 25727 rows, 6071 columns and 81625 nonzeros
Presolve time: 0.11s
Presolved: 25727 rows, 6071 columns, 81625 nonzeros
Variable types: 0 continuous, 6071 integer (6071 binary)
Root relaxation: objective 0.000000e+00, 475 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 (870 simplex iterations) in 0.16 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 -- 25
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 09:57:28 2012
Optimize a model with 12454 rows, 3445 columns and 39180 nonzeros
Presolve time: 0.04s
Presolved: 12454 rows, 3445 columns, 39180 nonzeros
Variable types: 0 continuous, 3445 integer (3445 binary)
Root relaxation: objective 0.000000e+00, 417 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 (797 simplex iterations) in 0.07 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 -- 12
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 09:57:28 2012
Optimize a model with 6328 rows, 2233 columns and 19590 nonzeros
Presolve time: 0.02s
Presolved: 6328 rows, 2233 columns, 19590 nonzeros
Variable types: 0 continuous, 2233 integer (2233 binary)
Root relaxation: objective 0.000000e+00, 444 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 (1703 simplex iterations) in 0.08 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 Sat Dec 15 09:57:29 2012
Optimize a model with 3265 rows, 1627 columns and 9795 nonzeros
Presolve time: 0.01s
Presolved: 3265 rows, 1627 columns, 9795 nonzeros
Variable types: 0 continuous, 1627 integer (1627 binary)
Root relaxation: objective 0.000000e+00, 449 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 0 308 - 0.00000 - - 0s
0 0 0.00000 0 397 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 1s
Explored 0 nodes (9293 simplex iterations) in 1.12 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 Sat Dec 15 09:57:30 2012
Optimize a model with 4286 rows, 1829 columns and 13060 nonzeros
Presolve time: 0.01s
Presolved: 4286 rows, 1829 columns, 13060 nonzeros
Variable types: 0 continuous, 1829 integer (1829 binary)
Root relaxation: objective 0.000000e+00, 442 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 0 392 - 0.00000 - - 0s
0 0 0.00000 0 386 - 0.00000 - - 0s
0 0 0.00000 0 382 - 0.00000 - - 0s
0 0 0.00000 0 484 - 0.00000 - - 1s
0 0 0.00000 0 378 - 0.00000 - - 2s
0 0 0.00000 0 372 - 0.00000 - - 2s
0 0 0.00000 0 360 - 0.00000 - - 3s
0 0 0.00000 0 360 - 0.00000 - - 4s
0 0 0.00000 0 361 - 0.00000 - - 4s
0 0 0.00000 0 367 - 0.00000 - - 5s
0 0 0.00000 0 374 - 0.00000 - - 5s
0 0 0.00000 0 369 - 0.00000 - - 6s
0 2 0.00000 0 369 - 0.00000 - - 7s
233 42 0.00000 16 344 - 0.00000 - 160 10s
608 82 0.00000 19 519 - 0.00000 - 143 15s
610 83 0.00000 11 371 - 0.00000 - 143 20s
613 85 0.00000 13 366 - 0.00000 - 142 26s
615 87 0.00000 19 330 - 0.00000 - 142 31s
617 88 0.00000 10 308 - 0.00000 - 141 35s
619 89 0.00000 4 426 - 0.00000 - 141 40s
742 67 infeasible 29 - 0.00000 - 257 45s
892 23 0.00000 27 393 - 0.00000 - 268 50s
1059 26 infeasible 25 - 0.00000 - 274 55s
1223 30 infeasible 32 - 0.00000 - 278 60s
1393 26 0.00000 22 454 - 0.00000 - 281 65s
1557 32 infeasible 25 - 0.00000 - 284 70s
1686 21 0.00000 23 374 - 0.00000 - 291 75s
1846 9 infeasible 25 - 0.00000 - 293 80s
Cutting planes:
Clique: 3
Zero half: 31
Explored 1978 nodes (630858 simplex iterations) in 84.63 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 Sat Dec 15 09:58:55 2012
Optimize a model with 5307 rows, 2031 columns and 16325 nonzeros
Presolve time: 0.01s
Presolved: 5307 rows, 2031 columns, 16325 nonzeros
Variable types: 0 continuous, 2031 integer (2031 binary)
Root relaxation: objective 0.000000e+00, 433 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 0 286 - 0.00000 - - 0s
0 0 0.00000 0 375 - 0.00000 - - 1s
* 0 0 0 0.0000000 0.00000 0.0% - 2s
Explored 0 nodes (13822 simplex iterations) in 2.17 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