
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 19:44:44 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3631.35.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/grafo3631.35.lp
Reading time = 0.09 seconds
: 53012 rows, 1448 columns, 160032 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 53012 rows, 1448 columns and 160032 nonzeros
Model fingerprint: 0x16403ac4
Variable types: 35 continuous, 1413 integer (1413 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 15162 rows and 15 columns
Presolve time: 0.39s
Presolved: 37850 rows, 1433 columns, 114829 nonzeros
Variable types: 0 continuous, 1433 integer (1398 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 24760 rows, 14523 columns, 88649 nonzeros


Root relaxation: objective 3.200000e+01, 2901 iterations, 1.25 seconds (1.25 work units)

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

     0     0   32.00000    0  348    6.00000   32.00000   433%     -    4s
H    0     0                       9.0000000   32.00000   256%     -    4s
     0     0   32.00000    0  431    9.00000   32.00000   256%     -    7s
     0     0   32.00000    0  416    9.00000   32.00000   256%     -    7s
H    0     0                      11.0000000   32.00000   191%     -   13s
     0     0   32.00000    0  372   11.00000   32.00000   191%     -   13s
     0     0   32.00000    0  370   11.00000   32.00000   191%     -   13s
H    0     0                      12.0000000   32.00000   167%     -   20s
     0     0   32.00000    0  462   12.00000   32.00000   167%     -   20s
     0     0   32.00000    0  444   12.00000   32.00000   167%     -   20s
H    0     0                      13.0000000   32.00000   146%     -   28s
     0     0   32.00000    0  296   13.00000   32.00000   146%     -   28s
     0     0   32.00000    0  343   13.00000   32.00000   146%     -   28s
     0     0   32.00000    0  461   13.00000   32.00000   146%     -   35s
     0     0   32.00000    0  463   13.00000   32.00000   146%     -   36s
     0     0   32.00000    0  437   13.00000   32.00000   146%     -   45s
     0     0   32.00000    0  429   13.00000   32.00000   146%     -   46s
     0     0   32.00000    0  454   13.00000   32.00000   146%     -   50s

Cutting planes:
  Gomory: 3
  Cover: 16
  Clique: 14
  MIR: 138
  StrongCG: 3
  GUB cover: 1
  Zero half: 29
  RLT: 67
  BQP: 2

Explored 1 nodes (65133 simplex iterations) in 50.04 seconds (43.29 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 13 12 11 ... 6

Time limit reached
Best objective 1.300000000000e+01, best bound 3.200000000000e+01, gap 146.1538%

Wrote result file './lp_solutions/grafo3631.35.sol'

