
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 17:07:43 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo643.12.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/grafo643.12.lp
Reading time = 0.01 seconds
: 1694 rows, 227 columns, 5175 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 1694 rows, 227 columns and 5175 nonzeros
Model fingerprint: 0x7d2484f1
Variable types: 13 continuous, 214 integer (214 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]
Presolve removed 425 rows and 19 columns
Presolve time: 0.01s
Presolved: 1269 rows, 208 columns, 3961 nonzeros
Variable types: 0 continuous, 208 integer (195 binary)

Root relaxation: objective 1.100000e+01, 230 iterations, 0.01 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   47          -   11.00000      -     -    0s
H    0     0                       6.0000000   11.00000  83.3%     -    0s
     0     0   11.00000    0   80    6.00000   11.00000  83.3%     -    0s
     0     0   11.00000    0   49    6.00000   11.00000  83.3%     -    0s
     0     0   11.00000    0   51    6.00000   11.00000  83.3%     -    0s
     0     0   11.00000    0   42    6.00000   11.00000  83.3%     -    0s
     0     0   11.00000    0   41    6.00000   11.00000  83.3%     -    0s
     0     0   11.00000    0   35    6.00000   11.00000  83.3%     -    0s
     0     0   11.00000    0   45    6.00000   11.00000  83.3%     -    0s
H    0     0                       7.0000000   11.00000  57.1%     -    0s
     0     0   11.00000    0   44    7.00000   11.00000  57.1%     -    0s
     0     0   11.00000    0   50    7.00000   11.00000  57.1%     -    0s
     0     0   11.00000    0   44    7.00000   11.00000  57.1%     -    0s
     0     2   11.00000    0   36    7.00000   11.00000  57.1%     -    0s

Cutting planes:
  Gomory: 1
  Cover: 30
  Clique: 4
  MIR: 58
  StrongCG: 2
  GUB cover: 2
  Inf proof: 44
  Zero half: 5
  RLT: 33

Explored 1270 nodes (46832 simplex iterations) in 1.34 seconds (1.15 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 7 6 

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo643.12.sol'

