
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 21:24:56 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo680.37.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/grafo680.37.lp
Reading time = 0.13 seconds
: 80849 rows, 1545 columns, 243593 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 80849 rows, 1545 columns and 243593 nonzeros
Model fingerprint: 0x9e94557d
Variable types: 34 continuous, 1511 integer (1511 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 31280 rows and 43 columns
Presolve time: 0.55s
Presolved: 49569 rows, 1502 columns, 150019 nonzeros
Variable types: 0 continuous, 1502 integer (1468 binary)
Root relaxation presolved: 1502 rows, 51071 columns, 151521 nonzeros


Root relaxation: objective 3.200000e+01, 1904 iterations, 0.50 seconds (0.54 work units)
Total elapsed time = 6.17s (DegenMoves)

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

     0     0   32.00000    0  314          -   32.00000      -     -    6s
H    0     0                       7.0000000   32.00000   357%     -    8s
     0     0   32.00000    0  567    7.00000   32.00000   357%     -   13s
H    0     0                      11.0000000   32.00000   191%     -   13s
     0     0   32.00000    0  574   11.00000   32.00000   191%     -   13s
     0     0   32.00000    0  420   11.00000   32.00000   191%     -   25s
     0     0   32.00000    0  405   11.00000   32.00000   191%     -   25s
     0     0   32.00000    0  420   11.00000   32.00000   191%     -   48s
     0     0   32.00000    0  393   11.00000   32.00000   191%     -   48s
     0     0          -    0        11.00000   32.00000   191%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 18
  Clique: 19
  MIR: 126
  GUB cover: 4
  Inf proof: 2
  Zero half: 73
  RLT: 49
  BQP: 2

Explored 1 nodes (47195 simplex iterations) in 50.05 seconds (49.28 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 11 7 

Time limit reached
Best objective 1.100000000000e+01, best bound 3.200000000000e+01, gap 190.9091%

Wrote result file './lp_solutions/grafo680.37.sol'

