
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 07:46:07 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3513.43.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/grafo3513.43.lp
Reading time = 0.11 seconds
: 71174 rows, 1817 columns, 214653 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 71174 rows, 1817 columns and 214653 nonzeros
Model fingerprint: 0x4fd6b084
Variable types: 37 continuous, 1780 integer (1780 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 17372 rows and 23 columns
Presolve time: 0.50s
Presolved: 53802 rows, 1794 columns, 162764 nonzeros
Variable types: 0 continuous, 1794 integer (1757 binary)
Root relaxation presolved: 1794 rows, 55596 columns, 164558 nonzeros


Root relaxation: objective 2.900000e+01, 2108 iterations, 0.42 seconds (0.41 work units)
Total elapsed time = 5.03s (DegenMoves)

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

     0     0   29.00000    0  472          -   29.00000      -     -    5s
H    0     0                       6.0000000   29.00000   383%     -    7s
H    0     0                       9.0000000   29.00000   222%     -    7s
     0     0   29.00000    0  642    9.00000   29.00000   222%     -   13s
H    0     0                      11.0000000   29.00000   164%     -   13s
     0     0   29.00000    0  623   11.00000   29.00000   164%     -   13s
     0     0   28.00000    0  605   11.00000   28.00000   155%     -   31s
     0     0   28.00000    0  591   11.00000   28.00000   155%     -   32s
     0     0   28.00000    0  565   11.00000   28.00000   155%     -   43s
     0     0   28.00000    0  524   11.00000   28.00000   155%     -   44s
     0     0   28.00000    0  593   11.00000   28.00000   155%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 27
  Clique: 25
  MIR: 93
  StrongCG: 2
  GUB cover: 1
  Zero half: 18
  RLT: 64
  BQP: 2

Explored 1 nodes (49810 simplex iterations) in 50.07 seconds (46.96 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 11 9 6 

Time limit reached
Best objective 1.100000000000e+01, best bound 2.800000000000e+01, gap 154.5455%

Wrote result file './lp_solutions/grafo3513.43.sol'

