
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 08:08:25 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7438.39.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/grafo7438.39.lp
Reading time = 0.29 seconds
: 174855 rows, 1769 columns, 525831 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 174855 rows, 1769 columns and 525831 nonzeros
Model fingerprint: 0x9fbb9f90
Variable types: 37 continuous, 1732 integer (1732 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 75109 rows and 8 columns
Presolve time: 1.19s
Presolved: 99746 rows, 1761 columns, 300758 nonzeros
Variable types: 0 continuous, 1761 integer (1724 binary)
Root relaxation presolved: 1752 rows, 101498 columns, 302519 nonzeros


Root relaxation: objective 3.400000e+01, 1856 iterations, 0.78 seconds (0.95 work units)
Total elapsed time = 7.38s (DegenMoves)

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

     0     0   34.00000    0  398          -   34.00000      -     -   10s
H    0     0                       9.0000000   34.00000   278%     -   10s
     0     0   34.00000    0  576    9.00000   34.00000   278%     -   17s
H    0     0                      11.0000000   34.00000   209%     -   17s
     0     0   34.00000    0  573   11.00000   34.00000   209%     -   17s
     0     0   34.00000    0  347   11.00000   34.00000   209%     -   32s
     0     0   34.00000    0  332   11.00000   34.00000   209%     -   33s
     0     0   34.00000    0  300   11.00000   34.00000   209%     -   43s
     0     0   34.00000    0  313   11.00000   34.00000   209%     -   45s
     0     0   34.00000    0  477   11.00000   34.00000   209%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 21
  Clique: 15
  MIR: 81
  StrongCG: 2
  GUB cover: 1
  Zero half: 67
  RLT: 60
  BQP: 3

Explored 1 nodes (32623 simplex iterations) in 50.03 seconds (57.41 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 11 9 

Time limit reached
Best objective 1.100000000000e+01, best bound 3.400000000000e+01, gap 209.0909%

Wrote result file './lp_solutions/grafo7438.39.sol'

