current bounds on the number of colors: 0 -- 236 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:31 2012 Optimize a model with 34692 rows, 28140 columns and 131216 nonzeros Presolve removed 19 rows and 2242 columns Presolve time: 0.17s Presolved: 34673 rows, 25898 columns, 128974 nonzeros Variable types: 0 continuous, 25898 integer (25898 binary) Root relaxation: objective 0.000000e+00, 406 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 (406 simplex iterations) in 0.20 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 -- 118 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:32 2012 Optimize a model with 17464 rows, 14216 columns and 65608 nonzeros Presolve removed 19 rows and 1121 columns Presolve time: 0.12s Presolved: 17445 rows, 13095 columns, 64487 nonzeros Variable types: 0 continuous, 13095 integer (13095 binary) Root relaxation: objective 0.000000e+00, 405 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 (405 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 -- 59 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:32 2012 Optimize a model with 8704 rows, 7136 columns and 32248 nonzeros Presolve removed 19 rows and 551 columns Presolve time: 0.05s Presolved: 8685 rows, 6585 columns, 31697 nonzeros Variable types: 0 continuous, 6585 integer (6585 binary) Root relaxation: objective 0.000000e+00, 403 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 (403 simplex iterations) in 0.06 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 -- 29 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:32 2012 Optimize a model with 4324 rows, 3596 columns and 15568 nonzeros Presolve removed 19 rows and 266 columns Presolve time: 0.02s Presolved: 4305 rows, 3330 columns, 15302 nonzeros Variable types: 0 continuous, 3330 integer (3330 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 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (727 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 -- 14 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:33 2012 Optimize a model with 2280 rows, 1944 columns and 7784 nonzeros Presolve removed 19 rows and 133 columns Presolve time: 0.01s Presolved: 2261 rows, 1811 columns, 7651 nonzeros Variable types: 0 continuous, 1811 integer (1811 binary) Root relaxation: objective 0.000000e+00, 412 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 (598 simplex iterations) in 0.01 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 -- 7 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:33 2012 Optimize a model with 1112 rows, 1000 columns and 3336 nonzeros Presolve removed 19 rows and 57 columns Presolve time: 0.00s Presolved: 1093 rows, 943 columns, 3279 nonzeros Variable types: 0 continuous, 943 integer (943 binary) Root relaxation: objective 0.000000e+00, 460 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 (808 simplex iterations) in 0.01 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 -- 3 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:33 2012 Optimize a model with 528 rows, 528 columns and 1112 nonzeros Presolve removed 528 rows and 528 columns Presolve time: 0.00s Explored 0 nodes (0 simplex iterations) in 0.00 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: 1 -- 3 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:33 2012 Optimize a model with 820 rows, 764 columns and 2224 nonzeros Presolve removed 238 rows and 258 columns Presolve time: 0.00s Presolved: 582 rows, 506 columns, 1746 nonzeros Variable types: 0 continuous, 506 integer (506 binary) Root relaxation: objective 0.000000e+00, 249 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 0 215 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Explored 0 nodes (827 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - optimal solution found: number of colors: 3