
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 21:17:23 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5662.37.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/grafo5662.37.lp
Reading time = 0.13 seconds
: 82340 rows, 1780 columns, 248412 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 82340 rows, 1780 columns and 248412 nonzeros
Model fingerprint: 0xda498bde
Variable types: 41 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]
Presolve removed 25367 rows and 17 columns
Presolve time: 0.56s
Presolved: 56973 rows, 1763 columns, 172612 nonzeros
Variable types: 0 continuous, 1763 integer (1722 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1763 rows, 58736 columns, 174375 nonzeros


Root relaxation: objective 3.800000e+01, 1946 iterations, 0.41 seconds (0.44 work units)
Total elapsed time = 5.25s (DegenMoves)

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

     0     0   38.00000    0  324    7.00000   38.00000   443%     -    5s
H    0     0                       8.0000000   38.00000   375%     -    7s
     0     0   38.00000    0  558    8.00000   38.00000   375%     -   10s
     0     0   38.00000    0  564    8.00000   38.00000   375%     -   10s
H    0     0                       9.0000000   38.00000   322%     -   13s
H    0     0                      11.0000000   38.00000   245%     -   31s
     0     0   38.00000    0  365   11.00000   38.00000   245%     -   31s
     0     0   38.00000    0  358   11.00000   38.00000   245%     -   32s
H    0     0                      12.0000000   38.00000   217%     -   47s
H    0     0                      13.0000000   38.00000   192%     -   47s
     0     0   38.00000    0  464   13.00000   38.00000   192%     -   47s
     0     0   38.00000    0  463   13.00000   38.00000   192%     -   47s
     0     0          -    0        13.00000   38.00000   192%     -   50s

Cutting planes:
  Cover: 39
  Clique: 18
  MIR: 168
  StrongCG: 3
  GUB cover: 2
  Zero half: 28
  RLT: 71

Explored 1 nodes (47772 simplex iterations) in 50.06 seconds (47.25 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 13 12 11 ... 7

Time limit reached
Best objective 1.300000000000e+01, best bound 3.800000000000e+01, gap 192.3077%

Wrote result file './lp_solutions/grafo5662.37.sol'

