
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 18:45:17 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3014.33.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/grafo3014.33.lp
Reading time = 0.10 seconds
: 60218 rows, 1684 columns, 182132 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 60218 rows, 1684 columns and 182132 nonzeros
Model fingerprint: 0x7c99d4e7
Variable types: 42 continuous, 1642 integer (1642 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 2.0000000
Presolve removed 15082 rows and 21 columns
Presolve time: 0.42s
Presolved: 45136 rows, 1663 columns, 137235 nonzeros
Variable types: 0 continuous, 1663 integer (1621 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 28200 rows, 18599 columns, 103363 nonzeros


Root relaxation: objective 3.800000e+01, 1187 iterations, 0.34 seconds (0.30 work units)

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

     0     0   38.00000    0  300    5.00000   38.00000   660%     -    2s
H    0     0                      10.0000000   38.00000   280%     -    2s
H    0     0                      11.0000000   38.00000   245%     -    2s
     0     0   38.00000    0  580   11.00000   38.00000   245%     -    7s
H    0     0                      12.0000000   38.00000   217%     -    7s
     0     0   38.00000    0  555   12.00000   38.00000   217%     -    7s
H    0     0                      13.0000000   38.00000   192%     -   21s
     0     0   38.00000    0  311   13.00000   38.00000   192%     -   21s
     0     0   38.00000    0  297   13.00000   38.00000   192%     -   22s
H    0     0                      14.0000000   38.00000   171%     -   28s
     0     0   38.00000    0  374   14.00000   38.00000   171%     -   28s
     0     0   38.00000    0  366   14.00000   38.00000   171%     -   29s
H    0     0                      15.0000000   38.00000   153%     -   44s
H    0     0                      16.0000000   38.00000   137%     -   44s
     0     0   38.00000    0  384   16.00000   38.00000   137%     -   44s
     0     0   38.00000    0  376   16.00000   38.00000   137%     -   45s
     0     0   38.00000    0  474   16.00000   38.00000   137%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 19
  Clique: 12
  MIR: 83
  StrongCG: 2
  GUB cover: 2
  Zero half: 165
  RLT: 43
  BQP: 1

Explored 1 nodes (57566 simplex iterations) in 50.05 seconds (46.06 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 16 15 14 ... 2

Time limit reached
Best objective 1.600000000000e+01, best bound 3.800000000000e+01, gap 137.5000%

Wrote result file './lp_solutions/grafo3014.33.sol'

