current bounds on the number of colors: 0 -- 199
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 08:34:00 2012
Optimize a model with 97912 rows, 20688 columns and 312840 nonzeros
Presolve time: 0.32s
Presolved: 97912 rows, 20688 columns, 312840 nonzeros
Variable types: 0 continuous, 20688 integer (20688 binary)
Root relaxation: objective 0.000000e+00, 780 iterations, 0.09 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 (1217 simplex iterations) in 0.55 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 -- 99
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 08:34:01 2012
Optimize a model with 48562 rows, 10738 columns and 154840 nonzeros
Presolve time: 0.16s
Presolved: 48562 rows, 10738 columns, 154840 nonzeros
Variable types: 0 continuous, 10738 integer (10738 binary)
Root relaxation: objective 0.000000e+00, 586 iterations, 0.04 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 (1027 simplex iterations) in 0.26 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 -- 49
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 08:34:02 2012
Optimize a model with 23887 rows, 5763 columns and 75840 nonzeros
Presolve time: 0.10s
Presolved: 23887 rows, 5763 columns, 75840 nonzeros
Variable types: 0 continuous, 5763 integer (5763 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 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (787 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 -- 24
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 08:34:03 2012
Optimize a model with 12043 rows, 3375 columns and 37920 nonzeros
Presolve time: 0.04s
Presolved: 12043 rows, 3375 columns, 37920 nonzeros
Variable types: 0 continuous, 3375 integer (3375 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 (786 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 08:34:03 2012
Optimize a model with 6121 rows, 2181 columns and 18960 nonzeros
Presolve time: 0.02s
Presolved: 6121 rows, 2181 columns, 18960 nonzeros
Variable types: 0 continuous, 2181 integer (2181 binary)
Root relaxation: objective 0.000000e+00, 434 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 (1775 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 08:34:03 2012
Optimize a model with 3160 rows, 1584 columns and 9480 nonzeros
Presolve time: 0.01s
Presolved: 3160 rows, 1584 columns, 9480 nonzeros
Variable types: 0 continuous, 1584 integer (1584 binary)
Root relaxation: objective 0.000000e+00, 453 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 0 398 - 0.00000 - - 0s
0 0 0.00000 0 392 - 0.00000 - - 0s
0 0 0.00000 0 521 - 0.00000 - - 1s
0 0 0.00000 0 549 - 0.00000 - - 1s
0 0 infeasible 0 - 0.10000 - - 1s
Cutting planes:
Zero half: 1168
Explored 0 nodes (10209 simplex iterations) in 1.74 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 08:34:05 2012
Optimize a model with 4147 rows, 1783 columns and 12640 nonzeros
Presolve time: 0.01s
Presolved: 4147 rows, 1783 columns, 12640 nonzeros
Variable types: 0 continuous, 1783 integer (1783 binary)
Root relaxation: objective 0.000000e+00, 460 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 0 380 - 0.00000 - - 0s
0 0 0.00000 0 382 - 0.00000 - - 0s
0 0 0.00000 0 431 - 0.00000 - - 1s
0 0 0.00000 0 374 - 0.00000 - - 1s
0 0 0.00000 0 374 - 0.00000 - - 1s
0 0 0.00000 0 374 - 0.00000 - - 2s
0 0 0.00000 0 374 - 0.00000 - - 2s
0 2 0.00000 0 374 - 0.00000 - - 3s
147 41 infeasible 26 - 0.00000 - 150 5s
604 72 0.00000 23 454 - 0.00000 - 141 10s
608 75 0.00000 20 366 - 0.00000 - 140 15s
611 77 0.00000 18 336 - 0.00000 - 140 20s
614 79 0.00000 11 322 - 0.00000 - 139 25s
617 81 0.00000 19 333 - 0.00000 - 138 31s
750 73 infeasible 27 - 0.00000 - 260 35s
1018 37 infeasible 25 - 0.00000 - 255 40s
1276 23 infeasible 25 - 0.00000 - 256 45s
1568 69 infeasible 23 - 0.00000 - 249 50s
1829 112 infeasible 34 - 0.00000 - 247 55s
2059 138 0.00000 29 354 - 0.00000 - 248 60s
2298 131 infeasible 25 - 0.00000 - 249 65s
2568 145 infeasible 24 - 0.00000 - 247 70s
2806 191 infeasible 26 - 0.00000 - 248 75s
3028 185 infeasible 30 - 0.00000 - 250 80s
3286 167 infeasible 22 - 0.00000 - 251 85s
3574 143 0.00000 23 356 - 0.00000 - 248 90s
3797 138 0.00000 22 348 - 0.00000 - 250 95s
4028 141 0.00000 25 348 - 0.00000 - 251 100s
4286 133 0.00000 26 362 - 0.00000 - 250 105s
4520 127 infeasible 27 - 0.00000 - 251 110s
4764 171 infeasible 25 - 0.00000 - 250 115s
5013 208 0.00000 30 354 - 0.00000 - 249 120s
5252 211 0.00000 27 348 - 0.00000 - 250 125s
5481 254 infeasible 23 - 0.00000 - 250 130s
5703 250 infeasible 27 - 0.00000 - 252 135s
5937 238 infeasible 27 - 0.00000 - 252 140s
6177 240 infeasible 30 - 0.00000 - 253 145s
6427 236 0.00000 28 403 - 0.00000 - 253 150s
6672 245 infeasible 30 - 0.00000 - 253 155s
6897 230 infeasible 26 - 0.00000 - 253 160s
7143 220 infeasible 28 - 0.00000 - 254 165s
7389 198 infeasible 22 - 0.00000 - 253 170s
7598 183 infeasible 30 - 0.00000 - 254 175s
7814 149 infeasible 23 - 0.00000 - 255 180s
8059 150 infeasible 24 - 0.00000 - 255 185s
8316 175 infeasible 24 - 0.00000 - 255 190s
8580 171 infeasible 23 - 0.00000 - 255 195s
8855 166 0.00000 23 442 - 0.00000 - 255 200s
9113 170 0.00000 26 358 - 0.00000 - 254 205s
9376 171 infeasible 26 - 0.00000 - 254 210s
9593 184 0.00000 24 464 - 0.00000 - 255 215s
9875 180 infeasible 26 - 0.00000 - 254 220s
10127 178 infeasible 25 - 0.00000 - 253 225s
10413 210 0.00000 25 368 - 0.00000 - 253 230s
10690 213 infeasible 30 - 0.00000 - 252 235s
10966 199 infeasible 25 - 0.00000 - 252 240s
11252 203 infeasible 27 - 0.00000 - 251 245s
11495 194 infeasible 23 - 0.00000 - 251 250s
11714 177 0.00000 25 473 - 0.00000 - 252 255s
11928 173 infeasible 23 - 0.00000 - 252 260s
12223 170 0.00000 22 356 - 0.00000 - 252 265s
12507 184 infeasible 28 - 0.00000 - 251 270s
12762 165 infeasible 28 - 0.00000 - 251 275s
13007 150 infeasible 23 - 0.00000 - 251 280s
13260 141 0.00000 24 456 - 0.00000 - 251 285s
13471 122 0.00000 21 372 - 0.00000 - 251 290s
Cutting planes:
Gomory: 1
Zero half: 13
Explored 13610 nodes (3437024 simplex iterations) in 292.70 seconds
Thread count was 1 (of 16 available processors)
Time limit reached
Best objective -, best bound 0.000000000000e+00, gap -
current bounds on the number of colors: 4 -- 6
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 08:38:58 2012
Optimize a model with 5134 rows, 1982 columns and 15800 nonzeros
Presolve time: 0.01s
Presolved: 5134 rows, 1982 columns, 15800 nonzeros
Variable types: 0 continuous, 1982 integer (1982 binary)
Root relaxation: objective 0.000000e+00, 451 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 0 396 - 0.00000 - - 0s
Explored 0 nodes (605 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)
Time limit reached
Best objective -, best bound 0.000000000000e+00, gap -
optimal solution found: number of colors: 6