current bounds on the number of colors: 0 -- 232 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:40:59 2012 Optimize a model with 33756 rows, 27201 columns and 127484 nonzeros Presolve removed 15 rows and 1740 columns Presolve time: 0.17s Presolved: 33741 rows, 25461 columns, 125744 nonzeros Variable types: 0 continuous, 25461 integer (25461 binary) Root relaxation: objective 0.000000e+00, 399 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 (399 simplex iterations) in 0.21 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 -- 116 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:40:59 2012 Optimize a model with 16994 rows, 13745 columns and 63742 nonzeros Presolve removed 15 rows and 870 columns Presolve time: 0.12s Presolved: 16979 rows, 12875 columns, 62872 nonzeros Variable types: 0 continuous, 12875 integer (12875 binary) Root relaxation: objective 0.000000e+00, 399 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 (399 simplex iterations) in 0.13 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 -- 58 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:41:00 2012 Optimize a model with 8613 rows, 7017 columns and 31871 nonzeros Presolve removed 15 rows and 435 columns Presolve time: 0.05s Presolved: 8598 rows, 6582 columns, 31436 nonzeros Variable types: 0 continuous, 6582 integer (6582 binary) Root relaxation: objective 0.000000e+00, 402 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 (402 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 16:41:00 2012 Optimize a model with 4278 rows, 3537 columns and 15386 nonzeros Presolve removed 15 rows and 210 columns Presolve time: 0.02s Presolved: 4263 rows, 3327 columns, 15176 nonzeros Variable types: 0 continuous, 3327 integer (3327 binary) Root relaxation: objective 0.000000e+00, 429 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 (429 simplex iterations) in 0.02 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 16:41:00 2012 Optimize a model with 2255 rows, 1913 columns and 7693 nonzeros Presolve removed 15 rows and 105 columns Presolve time: 0.01s Presolved: 2240 rows, 1808 columns, 7588 nonzeros Variable types: 0 continuous, 1808 integer (1808 binary) Root relaxation: objective 0.000000e+00, 391 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 (391 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 16:41:00 2012 Optimize a model with 1099 rows, 985 columns and 3297 nonzeros Presolve removed 15 rows and 45 columns Presolve time: 0.00s Presolved: 1084 rows, 940 columns, 3252 nonzeros Variable types: 0 continuous, 940 integer (940 binary) Root relaxation: objective 0.000000e+00, 416 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 (416 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 16:41:00 2012 Optimize a model with 521 rows, 521 columns and 1099 nonzeros Presolve removed 521 rows and 521 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 16:41:00 2012 Optimize a model with 810 rows, 753 columns and 2198 nonzeros Presolve removed 240 rows and 259 columns Presolve time: 0.00s Presolved: 570 rows, 494 columns, 1710 nonzeros Variable types: 0 continuous, 494 integer (494 binary) Root relaxation: objective 0.000000e+00, 251 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 0 209 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Explored 0 nodes (831 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