
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:50:00 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6037.36.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/grafo6037.36.lp
Reading time = 0.10 seconds
: 62590 rows, 1913 columns, 189448 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 62590 rows, 1913 columns and 189448 nonzeros
Model fingerprint: 0xd2ad1c4b
Variable types: 45 continuous, 1868 integer (1868 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 1.0000000
Presolve removed 11891 rows and 30 columns
Presolve time: 0.43s
Presolved: 50699 rows, 1883 columns, 154173 nonzeros
Variable types: 0 continuous, 1883 integer (1838 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 29369 rows, 23213 columns, 111513 nonzeros


Root relaxation: objective 4.400000e+01, 4731 iterations, 2.90 seconds (2.76 work units)
Total elapsed time = 8.33s (DegenMoves)

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

     0     0   44.00000    0  499    6.00000   44.00000   633%     -    9s
H    0     0                       8.0000000   44.00000   450%     -    9s
H    0     0                      10.0000000   44.00000   340%     -    9s
     0     0   44.00000    0  886   10.00000   44.00000   340%     -   20s
H    0     0                      11.0000000   44.00000   300%     -   20s
     0     0   44.00000    0  854   11.00000   44.00000   300%     -   21s
     0     0   44.00000    0  500   11.00000   44.00000   300%     -   41s
     0     0   44.00000    0  492   11.00000   44.00000   300%     -   42s
     0     0   44.00000    0  732   11.00000   44.00000   300%     -   50s

Cutting planes:
  Cover: 37
  Clique: 2
  MIR: 211
  GUB cover: 6
  Zero half: 82
  RLT: 67

Explored 1 nodes (48322 simplex iterations) in 50.11 seconds (44.35 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 11 10 8 ... 1

Time limit reached
Best objective 1.100000000000e+01, best bound 4.400000000000e+01, gap 300.0000%

Wrote result file './lp_solutions/grafo6037.36.sol'

