
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 07:00:19 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6537.46.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/grafo6537.46.lp
Reading time = 0.10 seconds
: 65887 rows, 2102 columns, 199052 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 65887 rows, 2102 columns and 199052 nonzeros
Model fingerprint: 0xcc9a6a90
Variable types: 41 continuous, 2061 integer (2061 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 8397 rows and 29 columns
Presolve time: 0.43s
Presolved: 57490 rows, 2073 columns, 174187 nonzeros
Variable types: 0 continuous, 2073 integer (2032 binary)
Root relaxation presolved: 2073 rows, 59563 columns, 176260 nonzeros


Root relaxation: objective 3.500000e+01, 19395 iterations, 2.65 seconds (2.45 work units)
Total elapsed time = 9.50s (DegenMoves)
Total elapsed time = 18.19s (DegenMoves)
Total elapsed time = 20.06s (DegenMoves)

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

     0     0   35.00000    0  404          -   35.00000      -     -   21s
H    0     0                      12.0000000   35.00000   192%     -   21s
H    0     0                      14.0000000   35.00000   150%     -   23s
     0     0   35.00000    0  548   14.00000   35.00000   150%     -   27s
     0     0   35.00000    0  543   14.00000   35.00000   150%     -   28s
H    0     0                      16.0000000   35.00000   119%     -   42s
     0     0   35.00000    0  413   16.00000   35.00000   119%     -   42s
     0     0   35.00000    0  500   16.00000   35.00000   119%     -   43s
     0     0   35.00000    0  415   16.00000   35.00000   119%     -   49s
     0     0          -    0        16.00000   35.00000   119%     -   50s

Cutting planes:
  Gomory: 2
  Clique: 5
  MIR: 8
  RLT: 16

Explored 1 nodes (74033 simplex iterations) in 50.07 seconds (50.82 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 16 14 12 

Time limit reached
Best objective 1.600000000000e+01, best bound 3.500000000000e+01, gap 118.7500%

Wrote result file './lp_solutions/grafo6537.46.sol'

