
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 04:21:36 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2027.35.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/grafo2027.35.lp
Reading time = 0.23 seconds
: 142836 rows, 1872 columns, 430109 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 142836 rows, 1872 columns and 430109 nonzeros
Model fingerprint: 0xe972334f
Variable types: 41 continuous, 1831 integer (1831 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 61423 rows and 94 columns
Presolve time: 1.06s
Presolved: 81413 rows, 1778 columns, 246152 nonzeros
Variable types: 0 continuous, 1778 integer (1737 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 1775 rows, 83188 columns, 247930 nonzeros


Root relaxation: objective 3.900000e+01, 2312 iterations, 0.85 seconds (1.13 work units)
Total elapsed time = 8.80s (DegenMoves)

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

     0     0   39.00000    0  526    5.00000   39.00000   680%     -    9s
H    0     0                      10.0000000   39.00000   290%     -    9s
     0     0   39.00000    0 1006   10.00000   39.00000   290%     -   30s
     0     0   39.00000    0  946   10.00000   39.00000   290%     -   32s
     0     0   39.00000    0  979   10.00000   39.00000   290%     -   50s

Cutting planes:
  Gomory: 3
  Cover: 7
  Clique: 37
  MIR: 77
  Zero half: 53
  RLT: 59
  BQP: 5

Explored 1 nodes (31577 simplex iterations) in 50.03 seconds (54.54 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 10 5 

Time limit reached
Best objective 1.000000000000e+01, best bound 3.900000000000e+01, gap 290.0000%

Wrote result file './lp_solutions/grafo2027.35.sol'

