
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 02:54:07 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5126.43.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/grafo5126.43.lp
Reading time = 0.25 seconds
: 122406 rows, 2298 columns, 369046 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 122406 rows, 2298 columns and 369046 nonzeros
Model fingerprint: 0x53fccbe4
Variable types: 44 continuous, 2254 integer (2254 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 41501 rows and 17 columns
Presolve time: 1.05s
Presolved: 80905 rows, 2281 columns, 245101 nonzeros
Variable types: 0 continuous, 2281 integer (2237 binary)
Root relaxation presolved: 2281 rows, 83186 columns, 247382 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   18066    4.3779516e+01   0.000000e+00   2.159506e+04      5s
   38262    4.3758561e+01   0.000000e+00   3.030261e+02     10s
   45861    4.4000000e+01   0.000000e+00   0.000000e+00     12s
   45861    4.4000000e+01   0.000000e+00   0.000000e+00     12s

Root relaxation: objective 4.400000e+01, 45861 iterations, 10.74 seconds (6.36 work units)
Total elapsed time = 24.22s (DegenMoves)
Total elapsed time = 35.66s (DegenMoves)
Total elapsed time = 40.78s (DegenMoves)

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

     0     0   44.00000    0  510          -   44.00000      -     -   43s
H    0     0                       5.0000000   44.00000   780%     -   46s
     0     0          -    0         5.00000   44.00000   780%     -   50s

Cutting planes:
  Gomory: 28
  Cover: 33
  Clique: 13
  MIR: 76
  GUB cover: 3
  Zero half: 123
  RLT: 16
  BQP: 2

Explored 1 nodes (71830 simplex iterations) in 50.02 seconds (43.09 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 5 

Time limit reached
Best objective 5.000000000000e+00, best bound 4.400000000000e+01, gap 780.0000%

Wrote result file './lp_solutions/grafo5126.43.sol'

