
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 04:34:42 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7134.39.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/grafo7134.39.lp
Reading time = 0.17 seconds
: 101644 rows, 1998 columns, 306515 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 101644 rows, 1998 columns and 306515 nonzeros
Model fingerprint: 0x708856aa
Variable types: 43 continuous, 1955 integer (1955 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 33108 rows and 18 columns
Presolve time: 0.76s
Presolved: 68536 rows, 1980 columns, 207517 nonzeros
Variable types: 0 continuous, 1980 integer (1937 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1980 rows, 70516 columns, 209497 nonzeros


Root relaxation: objective 4.800000e+01, 1803 iterations, 0.42 seconds (0.42 work units)

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

     0     0   48.00000    0  442    9.00000   48.00000   433%     -    4s
H    0     0                      12.0000000   48.00000   300%     -    5s
     0     0   48.00000    0  652   12.00000   48.00000   300%     -   11s
H    0     0                      14.0000000   48.00000   243%     -   11s
     0     0   48.00000    0  583   14.00000   48.00000   243%     -   12s
H    0     0                      15.0000000   48.00000   220%     -   35s
H    0     0                      16.0000000   48.00000   200%     -   35s
     0     0   48.00000    0  489   16.00000   48.00000   200%     -   35s
     0     0   48.00000    0  484   16.00000   48.00000   200%     -   36s
     0     0   48.00000    0  508   16.00000   48.00000   200%     -   50s

Cutting planes:
  Cover: 39
  Clique: 21
  MIR: 173
  StrongCG: 1
  GUB cover: 2
  Zero half: 58
  RLT: 75
  BQP: 3

Explored 1 nodes (39020 simplex iterations) in 50.12 seconds (47.24 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 16 15 14 ... 3

Time limit reached
Best objective 1.600000000000e+01, best bound 4.800000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo7134.39.sol'

