current bounds on the number of colors: 0 -- 184
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 02:49:26 2012
Optimize a model with 79856 rows, 17794 columns and 255944 nonzeros
Presolve time: 0.25s
Presolved: 79856 rows, 17794 columns, 255944 nonzeros
Variable types: 0 continuous, 17794 integer (17794 binary)
Root relaxation: objective 0.000000e+00, 647 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 (1041 simplex iterations) in 0.42 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 02:49:28 2012
Optimize a model with 40020 rows, 9330 columns and 127972 nonzeros
Presolve time: 0.16s
Presolved: 40020 rows, 9330 columns, 127972 nonzeros
Variable types: 0 continuous, 9330 integer (9330 binary)
Root relaxation: objective 0.000000e+00, 519 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 (913 simplex iterations) in 0.24 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 02:49:28 2012
Optimize a model with 20102 rows, 5098 columns and 63986 nonzeros
Presolve time: 0.08s
Presolved: 20102 rows, 5098 columns, 63986 nonzeros
Variable types: 0 continuous, 5098 integer (5098 binary)
Root relaxation: objective 0.000000e+00, 432 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 (801 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 02:49:29 2012
Optimize a model with 9710 rows, 2890 columns and 30602 nonzeros
Presolve time: 0.03s
Presolved: 9710 rows, 2890 columns, 30602 nonzeros
Variable types: 0 continuous, 2890 integer (2890 binary)
Root relaxation: objective 0.000000e+00, 383 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 0.05 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 02:49:29 2012
Optimize a model with 4514 rows, 1786 columns and 13910 nonzeros
Presolve time: 0.01s
Presolved: 4514 rows, 1786 columns, 13910 nonzeros
Variable types: 0 continuous, 1786 integer (1786 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 (2104 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 -- 5
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 02:49:29 2012
Optimize a model with 1916 rows, 1234 columns and 5564 nonzeros
Presolve removed 184 rows and 184 columns
Presolve time: 0.00s
Presolved: 1732 rows, 1050 columns, 5196 nonzeros
Variable types: 0 continuous, 1050 integer (1050 binary)
Root relaxation: objective 0.000000e+00, 191 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 (789 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 02:49:29 2012
Optimize a model with 2782 rows, 1418 columns and 8346 nonzeros
Presolve time: 0.01s
Presolved: 2782 rows, 1418 columns, 8346 nonzeros
Variable types: 0 continuous, 1418 integer (1418 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 0 362 - 0.00000 - - 0s
0 0 0.00000 0 366 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (4793 simplex iterations) in 0.58 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 02:49:30 2012
Optimize a model with 3648 rows, 1602 columns and 11128 nonzeros
Presolve time: 0.01s
Presolved: 3648 rows, 1602 columns, 11128 nonzeros
Variable types: 0 continuous, 1602 integer (1602 binary)
Root relaxation: objective 0.000000e+00, 413 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 0 354 - 0.00000 - - 0s
0 0 0.00000 0 307 - 0.00000 - - 0s
0 0 0.00000 0 348 - 0.00000 - - 0s
0 0 0.00000 0 354 - 0.00000 - - 1s
0 0 0.00000 0 338 - 0.00000 - - 1s
0 0 0.00000 0 334 - 0.00000 - - 1s
0 0 0.00000 0 335 - 0.00000 - - 2s
0 0 0.00000 0 330 - 0.00000 - - 2s
0 0 0.00000 0 328 - 0.00000 - - 2s
0 0 0.00000 0 336 - 0.00000 - - 3s
0 0 0.00000 0 322 - 0.00000 - - 3s
0 0 0.00000 0 320 - 0.00000 - - 4s
0 0 0.00000 0 308 - 0.00000 - - 4s
0 0 0.00000 0 308 - 0.00000 - - 5s
0 0 0.00000 0 308 - 0.00000 - - 5s
0 2 0.00000 0 308 - 0.00000 - - 5s
595 166 infeasible 18 - 0.00000 - 121 10s
608 174 0.00000 14 306 - 0.00000 - 119 15s
613 177 0.00000 15 274 - 0.00000 - 118 20s
617 180 0.00000 13 252 - 0.00000 - 118 25s
621 182 0.00000 16 252 - 0.00000 - 117 30s
852 136 infeasible 27 - 0.00000 - 232 35s
1237 59 infeasible 25 - 0.00000 - 223 40s
1599 33 0.00000 28 302 - 0.00000 - 222 45s
1975 27 infeasible 27 - 0.00000 - 220 50s
Cutting planes:
Zero half: 18
Explored 2267 nodes (541824 simplex iterations) in 53.93 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