
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 02:31:18 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7368.42.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/grafo7368.42.lp
Reading time = 0.18 seconds
: 93015 rows, 1932 columns, 280354 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 93015 rows, 1932 columns and 280354 nonzeros
Model fingerprint: 0x681faeaf
Variable types: 38 continuous, 1894 integer (1894 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 29580 rows and 14 columns
Presolve time: 0.80s
Presolved: 63435 rows, 1918 columns, 192055 nonzeros
Variable types: 0 continuous, 1918 integer (1880 binary)
Root relaxation presolved: 1918 rows, 65353 columns, 193973 nonzeros


Root relaxation: objective 3.800000e+01, 1890 iterations, 0.53 seconds (0.44 work units)
Total elapsed time = 5.20s (DegenMoves)

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

     0     0   38.00000    0  337          -   38.00000      -     -    5s
H    0     0                       8.0000000   38.00000   375%     -    5s
H    0     0                       9.0000000   38.00000   322%     -    5s
H    0     0                      10.0000000   38.00000   280%     -    5s
H    0     0                      11.0000000   38.00000   245%     -    7s
     0     0   38.00000    0  596   11.00000   38.00000   245%     -   15s
     0     0   38.00000    0  544   11.00000   38.00000   245%     -   16s
H    0     0                      12.0000000   38.00000   217%     -   43s
H    0     0                      14.0000000   38.00000   171%     -   43s
     0     0   38.00000    0  448   14.00000   38.00000   171%     -   43s
     0     0   38.00000    0  480   14.00000   38.00000   171%     -   47s

Cutting planes:
  Gomory: 1
  Cover: 19
  Clique: 15
  MIR: 84
  StrongCG: 5
  Zero half: 59
  RLT: 62
  BQP: 1

Explored 1 nodes (32718 simplex iterations) in 50.17 seconds (35.41 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 14 12 11 ... 8

Time limit reached
Best objective 1.400000000000e+01, best bound 3.800000000000e+01, gap 171.4286%

Wrote result file './lp_solutions/grafo7368.42.sol'

