
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 20:58:57 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2732.37.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/grafo2732.37.lp
Reading time = 0.13 seconds
: 81739 rows, 1779 columns, 246572 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 81739 rows, 1779 columns and 246572 nonzeros
Model fingerprint: 0x5ce01419
Variable types: 40 continuous, 1739 integer (1739 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 3.0000000
Presolve removed 26522 rows and 18 columns
Presolve time: 0.56s
Presolved: 55217 rows, 1761 columns, 167335 nonzeros
Variable types: 0 continuous, 1761 integer (1721 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1761 rows, 56978 columns, 169096 nonzeros


Root relaxation: objective 4.400000e+01, 1678 iterations, 0.31 seconds (0.30 work units)

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

     0     0   44.00000    0  356    9.00000   44.00000   389%     -    4s
H    0     0                      11.0000000   44.00000   300%     -    4s
     0     0   44.00000    0  812   11.00000   44.00000   300%     -   14s
H    0     0                      12.0000000   44.00000   267%     -   14s
     0     0   44.00000    0  723   12.00000   44.00000   267%     -   17s
H    0     0                      13.0000000   44.00000   238%     -   42s
H    0     0                      14.0000000   44.00000   214%     -   42s
H    0     0                      15.0000000   44.00000   193%     -   42s
     0     0   44.00000    0  617   15.00000   44.00000   193%     -   42s
     0     0   44.00000    0  522   15.00000   44.00000   193%     -   43s
     0     0   44.00000    0  642   15.00000   44.00000   193%     -   50s

Cutting planes:
  Cover: 39
  Clique: 23
  MIR: 149
  StrongCG: 1
  GUB cover: 1
  Zero half: 18
  RLT: 66
  BQP: 1

Explored 1 nodes (42420 simplex iterations) in 50.05 seconds (47.23 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 15 14 13 ... 3

Time limit reached
Best objective 1.500000000000e+01, best bound 4.400000000000e+01, gap 193.3333%

Wrote result file './lp_solutions/grafo2732.37.sol'

