
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 04:06:21 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo207.12.log"
Using license file /Users/sara/gurobi.lic
Academic license - for non-commercial use only - expires 2025-05-12

Gurobi Optimizer version 11.0.1 build v11.0.1rc0 (mac64[x86] - Darwin 21.6.0 21G651)
Copyright (c) 2024, Gurobi Optimization, LLC

Read LP format model from file ./lp_problems/grafo207.12.lp
Reading time = 0.01 seconds
: 3077 rows, 198 columns, 9270 nonzeros

CPU model: Intel(R) Core(TM) i5-1038NG7 CPU @ 2.00GHz
Thread count: 4 physical cores, 8 logical processors, using up to 8 threads

Optimize a model with 3077 rows, 198 columns and 9270 nonzeros
Model fingerprint: 0x834d07d1
Variable types: 12 continuous, 186 integer (186 binary)
Coefficient statistics:
  Matrix range     [5e-01, 5e+01]
  Objective range  [1e+00, 1e+00]
  Bounds range     [1e+00, 1e+00]
  RHS range        [1e+00, 5e+01]
Found heuristic solution: objective -0.0000000
Presolve removed 1382 rows and 9 columns
Presolve time: 0.04s
Presolved: 1695 rows, 189 columns, 5187 nonzeros
Variable types: 0 continuous, 189 integer (177 binary)
Found heuristic solution: objective 1.0000000

Root relaxation: objective 1.100000e+01, 259 iterations, 0.02 seconds (0.01 work units)

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0   11.00000    0   44    1.00000   11.00000  1000%     -    0s
H    0     0                       3.0000000   11.00000   267%     -    0s
H    0     0                       4.0000000   11.00000   175%     -    0s
     0     0   11.00000    0   99    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   92    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   59    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   57    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   65    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   62    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   64    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   61    4.00000   11.00000   175%     -    0s
H    0     0                       5.0000000   11.00000   120%     -    0s
     0     0   11.00000    0   50    5.00000   11.00000   120%     -    0s
     0     0   11.00000    0   61    5.00000   11.00000   120%     -    0s
     0     0   11.00000    0   61    5.00000   11.00000   120%     -    0s
     0     2   11.00000    0   60    5.00000   11.00000   120%     -    0s
H  402   233                       6.0000000   11.00000  83.3%  52.3    1s
  2966   419    7.00000   19   70    6.00000    7.66667  27.8%  53.4    5s

Cutting planes:
  Gomory: 2
  Cover: 40
  Clique: 5
  MIR: 90
  StrongCG: 2
  GUB cover: 3
  Inf proof: 57
  Zero half: 10
  RLT: 32

Explored 4633 nodes (293135 simplex iterations) in 7.87 seconds (5.61 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 6 5 4 ... -0

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo207.12.sol'

