
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 16:39:31 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3074.26.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/grafo3074.26.lp
Reading time = 0.10 seconds
: 64142 rows, 1240 columns, 193444 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 64142 rows, 1240 columns and 193444 nonzeros
Model fingerprint: 0xed64079c
Variable types: 35 continuous, 1205 integer (1205 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 1.0000000
Presolve removed 25942 rows and 16 columns
Presolve time: 0.42s
Presolved: 38200 rows, 1224 columns, 115972 nonzeros
Variable types: 0 continuous, 1224 integer (1189 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1221 rows, 39421 columns, 117196 nonzeros


Root relaxation: objective 3.800000e+01, 1414 iterations, 0.25 seconds (0.27 work units)

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

     0     0   38.00000    0  280    6.00000   38.00000   533%     -    3s
H    0     0                       7.0000000   38.00000   443%     -    3s
H    0     0                       8.0000000   38.00000   375%     -    8s
     0     0   38.00000    0  603    8.00000   38.00000   375%     -    8s
H    0     0                       9.0000000   38.00000   322%     -    8s
     0     0   38.00000    0  597    9.00000   38.00000   322%     -    8s
     0     0   38.00000    0  536    9.00000   38.00000   322%     -   21s
     0     0   38.00000    0  486    9.00000   38.00000   322%     -   22s
H    0     0                      10.0000000   38.00000   280%     -   43s
H    0     0                      11.0000000   38.00000   245%     -   43s
     0     0   38.00000    0  373   11.00000   38.00000   245%     -   43s
     0     0   38.00000    0  371   11.00000   38.00000   245%     -   44s
     0     0   38.00000    0  514   11.00000   38.00000   245%     -   50s

Cutting planes:
  Cover: 25
  Clique: 24
  MIR: 72
  StrongCG: 2
  GUB cover: 1
  Zero half: 77
  RLT: 62
  Relax-and-lift: 1

Explored 1 nodes (55391 simplex iterations) in 50.04 seconds (49.08 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 11 10 9 ... 1

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

Wrote result file './lp_solutions/grafo3074.26.sol'

