
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 05:54:29 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11618.41.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/grafo11618.41.lp
Reading time = 0.10 seconds
: 62835 rows, 1986 columns, 190024 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 62835 rows, 1986 columns and 190024 nonzeros
Model fingerprint: 0xa9e21467
Variable types: 42 continuous, 1944 integer (1944 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 11402 rows and 30 columns
Presolve time: 0.39s
Presolved: 51433 rows, 1956 columns, 156203 nonzeros
Variable types: 0 continuous, 1956 integer (1914 binary)
Root relaxation presolved: 29293 rows, 24096 columns, 111923 nonzeros


Root relaxation: objective 3.700000e+01, 3910 iterations, 2.19 seconds (2.01 work units)
Total elapsed time = 6.64s (DegenMoves)
Total elapsed time = 10.51s (DegenMoves)

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

     0     0   37.00000    0  516          -   37.00000      -     -   11s
H    0     0                       8.0000000   37.00000   362%     -   13s
     0     0   37.00000    0  733    8.00000   37.00000   362%     -   19s
     0     0   37.00000    0  737    8.00000   37.00000   362%     -   20s
     0     0   37.00000    0  379    8.00000   37.00000   362%     -   50s

Cutting planes:
  Gomory: 6
  Cover: 10
  Clique: 11
  MIR: 93
  GUB cover: 2
  Zero half: 56
  RLT: 67
  BQP: 1

Explored 1 nodes (57087 simplex iterations) in 50.08 seconds (51.38 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 8 

Time limit reached
Best objective 8.000000000000e+00, best bound 3.700000000000e+01, gap 362.5000%

Wrote result file './lp_solutions/grafo11618.41.sol'

