
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 04:50:06 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11500.36.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/grafo11500.36.lp
Reading time = 0.11 seconds
: 66125 rows, 1712 columns, 199720 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 66125 rows, 1712 columns and 199720 nonzeros
Model fingerprint: 0x38d9dfc2
Variable types: 39 continuous, 1673 integer (1673 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]
Found heuristic solution: objective 5.0000000
Presolve removed 18547 rows and 29 columns
Presolve time: 0.48s
Presolved: 47578 rows, 1683 columns, 144485 nonzeros
Variable types: 0 continuous, 1683 integer (1644 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1683 rows, 49261 columns, 146168 nonzeros


Root relaxation: objective 3.500000e+01, 2046 iterations, 0.50 seconds (0.60 work units)
Total elapsed time = 5.02s (DegenMoves)

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

     0     0   35.00000    0  480    9.00000   35.00000   289%     -    5s
H    0     0                      13.0000000   35.00000   169%     -    5s
     0     0   35.00000    0  548   13.00000   35.00000   169%     -   10s
H    0     0                      14.0000000   35.00000   150%     -   11s
     0     0   35.00000    0  524   14.00000   35.00000   150%     -   11s
     0     0   35.00000    0  420   14.00000   35.00000   150%     -   23s
     0     0   35.00000    0  472   14.00000   35.00000   150%     -   24s
H    0     0                      15.0000000   35.00000   133%     -   24s
     0     0   35.00000    0  492   15.00000   35.00000   133%     -   36s
     0     0   35.00000    0  440   15.00000   35.00000   133%     -   36s
     0     0   35.00000    0  481   15.00000   35.00000   133%     -   49s
     0     0   35.00000    0  411   15.00000   35.00000   133%     -   49s

Cutting planes:
  Cover: 35
  Clique: 17
  MIR: 29
  GUB cover: 3
  Zero half: 1
  RLT: 26
  BQP: 2

Explored 1 nodes (52172 simplex iterations) in 50.05 seconds (45.02 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 15 14 13 ... 5

Time limit reached
Best objective 1.500000000000e+01, best bound 3.500000000000e+01, gap 133.3333%

Wrote result file './lp_solutions/grafo11500.36.sol'

