
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 04:30:50 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3715.35.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/grafo3715.35.lp
Reading time = 0.22 seconds
: 133219 rows, 1480 columns, 400671 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 133219 rows, 1480 columns and 400671 nonzeros
Model fingerprint: 0x43f32b9f
Variable types: 33 continuous, 1447 integer (1447 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 64841 rows and 5 columns
Presolve time: 0.88s
Presolved: 68378 rows, 1475 columns, 206444 nonzeros
Variable types: 0 continuous, 1475 integer (1442 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 1470 rows, 69848 columns, 207919 nonzeros


Root relaxation: objective 3.800000e+01, 1472 iterations, 0.45 seconds (0.50 work units)

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

     0     0   38.00000    0  271    8.00000   38.00000   375%     -    4s
H    0     0                      10.0000000   38.00000   280%     -    4s
     0     0   38.00000    0  553   10.00000   38.00000   280%     -    9s
     0     0   38.00000    0  563   10.00000   38.00000   280%     -   10s
     0     0   38.00000    0  322   10.00000   38.00000   280%     -   20s
     0     0   38.00000    0  322   10.00000   38.00000   280%     -   21s
H    0     0                      11.0000000   38.00000   245%     -   43s
     0     0   38.00000    0  361   11.00000   38.00000   245%     -   43s
     0     0   38.00000    0  304   11.00000   38.00000   245%     -   44s
     0     0   38.00000    0  479   11.00000   38.00000   245%     -   50s

Cutting planes:
  Cover: 29
  Clique: 23
  MIR: 124
  StrongCG: 1
  GUB cover: 3
  Zero half: 56
  RLT: 70
  BQP: 3

Explored 1 nodes (37205 simplex iterations) in 50.09 seconds (50.43 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 11 10 8 

Time limit reached
Best objective 1.100000000000e+01, best bound 3.800000000000e+01, gap 245.4545%

Wrote result file './lp_solutions/grafo3715.35.sol'

