
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:38:01 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo713.12.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/grafo713.12.lp
Reading time = 0.00 seconds
: 809 rows, 141 columns, 2439 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 809 rows, 141 columns and 2439 nonzeros
Model fingerprint: 0x6f483f08
Variable types: 9 continuous, 132 integer (132 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 2.0000000
Presolve removed 108 rows and 6 columns
Presolve time: 0.01s
Presolved: 701 rows, 135 columns, 2157 nonzeros
Variable types: 0 continuous, 135 integer (126 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 6.000000e+00, 75 iterations, 0.00 seconds (0.00 work units)

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

     0     0    6.00000    0   35    3.00000    6.00000   100%     -    0s
     0     0    6.00000    0   61    3.00000    6.00000   100%     -    0s
     0     0    6.00000    0   34    3.00000    6.00000   100%     -    0s
     0     0    6.00000    0   36    3.00000    6.00000   100%     -    0s
H    0     0                       4.0000000    6.00000  50.0%     -    0s
     0     0    6.00000    0    7    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0    7    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0    7    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0    7    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0    7    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0    7    4.00000    6.00000  50.0%     -    0s
     0     2    6.00000    0    7    4.00000    6.00000  50.0%     -    0s

Cutting planes:
  Gomory: 1
  Cover: 1
  Clique: 2
  MIR: 3
  StrongCG: 1
  Inf proof: 13
  Mod-K: 8
  RLT: 3

Explored 233 nodes (5388 simplex iterations) in 0.31 seconds (0.13 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 4 3 2 

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo713.12.sol'

