
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 06:05:42 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6778.37.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/grafo6778.37.lp
Reading time = 0.14 seconds
: 82763 rows, 1615 columns, 249399 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 82763 rows, 1615 columns and 249399 nonzeros
Model fingerprint: 0xbb058600
Variable types: 35 continuous, 1580 integer (1580 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 32522 rows and 16 columns
Presolve time: 0.58s
Presolved: 50241 rows, 1599 columns, 152364 nonzeros
Variable types: 0 continuous, 1599 integer (1564 binary)
Root relaxation presolved: 1599 rows, 51840 columns, 153963 nonzeros


Root relaxation: objective 3.200000e+01, 1622 iterations, 0.33 seconds (0.32 work units)
Total elapsed time = 5.12s (DegenMoves)

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

     0     0   32.00000    0  376          -   32.00000      -     -    5s
H    0     0                      11.0000000   32.00000   191%     -    5s
H    0     0                      13.0000000   32.00000   146%     -    5s
     0     0   32.00000    0  536   13.00000   32.00000   146%     -   10s
     0     0   32.00000    0  520   13.00000   32.00000   146%     -   11s
     0     0   32.00000    0  422   13.00000   32.00000   146%     -   22s
     0     0   32.00000    0  456   13.00000   32.00000   146%     -   23s
     0     0   32.00000    0  428   13.00000   32.00000   146%     -   32s
     0     0   32.00000    0  514   13.00000   32.00000   146%     -   34s
     0     0   32.00000    0  538   13.00000   32.00000   146%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 14
  Clique: 18
  MIR: 69
  GUB cover: 2
  Zero half: 206
  RLT: 43

Explored 1 nodes (51747 simplex iterations) in 50.07 seconds (50.39 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 13 11 

Time limit reached
Best objective 1.300000000000e+01, best bound 3.200000000000e+01, gap 146.1538%

Wrote result file './lp_solutions/grafo6778.37.sol'

