
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 20:52:15 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11622.37.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/grafo11622.37.lp
Reading time = 0.14 seconds
: 84344 rows, 1937 columns, 254622 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 84344 rows, 1937 columns and 254622 nonzeros
Model fingerprint: 0xea976457
Variable types: 43 continuous, 1894 integer (1894 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 25066 rows and 24 columns
Presolve time: 0.60s
Presolved: 59278 rows, 1913 columns, 179905 nonzeros
Variable types: 0 continuous, 1913 integer (1870 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1910 rows, 61188 columns, 181818 nonzeros


Root relaxation: objective 4.200000e+01, 2033 iterations, 0.39 seconds (0.39 work units)
Total elapsed time = 5.02s (DegenMoves)

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

     0     0   42.00000    0  420    6.00000   42.00000   600%     -    5s
H    0     0                      10.0000000   42.00000   320%     -    5s
H    0     0                      12.0000000   42.00000   250%     -    5s
     0     0   42.00000    0  705   12.00000   42.00000   250%     -   14s
     0     0   42.00000    0  701   12.00000   42.00000   250%     -   16s
H    0     0                      13.0000000   42.00000   223%     -   47s
H    0     0                      14.0000000   42.00000   200%     -   47s
H    0     0                      15.0000000   42.00000   180%     -   47s
     0     0   42.00000    0  660   15.00000   42.00000   180%     -   47s
     0     0   42.00000    0  538   15.00000   42.00000   180%     -   49s

Cutting planes:
  Cover: 45
  Clique: 7
  MIR: 96
  StrongCG: 1
  RLT: 21

Explored 1 nodes (35243 simplex iterations) in 50.07 seconds (40.80 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 15 14 13 ... 1

Time limit reached
Best objective 1.500000000000e+01, best bound 4.200000000000e+01, gap 180.0000%

Wrote result file './lp_solutions/grafo11622.37.sol'

