
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 08:13:27 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo9922.39.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/grafo9922.39.lp
Reading time = 0.12 seconds
: 72589 rows, 1935 columns, 219280 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 72589 rows, 1935 columns and 219280 nonzeros
Model fingerprint: 0xa290a769
Variable types: 41 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]
Presolve removed 20942 rows and 23 columns
Presolve time: 0.52s
Presolved: 51647 rows, 1912 columns, 157025 nonzeros
Variable types: 0 continuous, 1912 integer (1871 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1912 rows, 53559 columns, 158937 nonzeros


Root relaxation: objective 3.900000e+01, 2166 iterations, 0.41 seconds (0.47 work units)
Total elapsed time = 5.44s (DegenMoves)

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

     0     0   39.00000    0  425    9.00000   39.00000   333%     -    5s
H    0     0                      11.0000000   39.00000   255%     -    5s
H    0     0                      13.0000000   39.00000   200%     -    7s
     0     0   39.00000    0  675   13.00000   39.00000   200%     -   11s
     0     0   39.00000    0  677   13.00000   39.00000   200%     -   12s
H    0     0                      14.0000000   39.00000   179%     -   30s
H    0     0                      15.0000000   39.00000   160%     -   30s
     0     0   39.00000    0  608   15.00000   39.00000   160%     -   32s
     0     0   39.00000    0  584   15.00000   39.00000   160%     -   33s
H    0     0                      16.0000000   39.00000   144%     -   47s
H    0     0                      17.0000000   39.00000   129%     -   47s
     0     0   39.00000    0  446   17.00000   39.00000   129%     -   47s
     0     0   39.00000    0  487   17.00000   39.00000   129%     -   49s
     0     0          -    0        17.00000   39.00000   129%     -   50s

Cutting planes:
  Cover: 16
  Clique: 9
  MIR: 135
  StrongCG: 1
  GUB cover: 3
  Zero half: 69
  RLT: 66
  BQP: 1
  PSD: 1

Explored 1 nodes (51451 simplex iterations) in 50.06 seconds (47.93 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 17 16 15 ... 9

Time limit reached
Best objective 1.700000000000e+01, best bound 3.900000000000e+01, gap 129.4118%

Wrote result file './lp_solutions/grafo9922.39.sol'

