
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 03:27:34 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7745.38.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/grafo7745.38.lp
Reading time = 0.09 seconds
: 55168 rows, 1783 columns, 166909 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 55168 rows, 1783 columns and 166909 nonzeros
Model fingerprint: 0x08d90100
Variable types: 41 continuous, 1742 integer (1742 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 10981 rows and 24 columns
Presolve time: 0.37s
Presolved: 44187 rows, 1759 columns, 134293 nonzeros
Variable types: 0 continuous, 1759 integer (1718 binary)
Root relaxation presolved: 25091 rows, 20855 columns, 96101 nonzeros


Root relaxation: objective 3.500000e+01, 4244 iterations, 2.24 seconds (2.08 work units)
Total elapsed time = 6.26s (DegenMoves)

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

     0     0   35.00000    0  493          -   35.00000      -     -    7s
H    0     0                       6.0000000   35.00000   483%     -    7s
H    0     0                       7.0000000   35.00000   400%     -    8s
H    0     0                       9.0000000   35.00000   289%     -    8s
     0     0   35.00000    0  757    9.00000   35.00000   289%     -   14s
     0     0   35.00000    0  678    9.00000   35.00000   289%     -   17s
H    0     0                      11.0000000   35.00000   218%     -   49s
H    0     0                      12.0000000   35.00000   192%     -   49s
H    0     0                      14.0000000   35.00000   150%     -   49s
H    0     0                      16.0000000   35.00000   119%     -   49s
H    0     0                      17.0000000   35.00000   106%     -   49s
     0     0   35.00000    0  399   17.00000   35.00000   106%     -   50s

Cutting planes:
  Clique: 5
  MIR: 5
  Zero half: 1
  RLT: 7

Explored 1 nodes (55739 simplex iterations) in 50.12 seconds (47.57 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 17 16 14 ... 6

Time limit reached
Best objective 1.700000000000e+01, best bound 3.500000000000e+01, gap 105.8824%

Wrote result file './lp_solutions/grafo7745.38.sol'

