
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 06:17:59 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5717.41.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/grafo5717.41.lp
Reading time = 0.11 seconds
: 68789 rows, 2110 columns, 208078 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 68789 rows, 2110 columns and 208078 nonzeros
Model fingerprint: 0xd08e774c
Variable types: 44 continuous, 2066 integer (2066 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 11967 rows and 59 columns
Presolve time: 0.43s
Presolved: 56822 rows, 2051 columns, 172374 nonzeros
Variable types: 0 continuous, 2051 integer (2007 binary)
Root relaxation presolved: 2051 rows, 58873 columns, 174425 nonzeros


Root relaxation: objective 4.300000e+01, 26014 iterations, 3.78 seconds (3.10 work units)
Total elapsed time = 13.36s (DegenMoves)
Total elapsed time = 16.09s (DegenMoves)

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

     0     0   43.00000    0  579          -   43.00000      -     -   16s
H    0     0                      10.0000000   43.00000   330%     -   19s
     0     0   43.00000    0  715   10.00000   43.00000   330%     -   24s
H    0     0                      15.0000000   43.00000   187%     -   24s
     0     0   43.00000    0  672   15.00000   43.00000   187%     -   25s
     0     0   43.00000    0  453   15.00000   43.00000   187%     -   49s
H    0     0                      17.0000000   43.00000   153%     -   49s
     0     0          -    0        17.00000   43.00000   153%     -   50s

Cutting planes:
  Cover: 1
  Clique: 14
  MIR: 28
  Zero half: 3
  RLT: 22
  BQP: 2

Explored 1 nodes (72122 simplex iterations) in 50.07 seconds (47.39 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 17 15 10 

Time limit reached
Best objective 1.700000000000e+01, best bound 4.300000000000e+01, gap 152.9412%

Wrote result file './lp_solutions/grafo5717.41.sol'

