
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 03:56:26 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3067.34.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/grafo3067.34.lp
Reading time = 0.16 seconds
: 99166 rows, 1363 columns, 298398 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 99166 rows, 1363 columns and 298398 nonzeros
Model fingerprint: 0x7ada6da2
Variable types: 32 continuous, 1331 integer (1331 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 41766 rows and 10 columns
Presolve time: 0.65s
Presolved: 57400 rows, 1353 columns, 173356 nonzeros
Variable types: 0 continuous, 1353 integer (1321 binary)
Root relaxation presolved: 1353 rows, 58753 columns, 174709 nonzeros


Root relaxation: objective 3.400000e+01, 1553 iterations, 0.47 seconds (0.53 work units)
Total elapsed time = 5.52s (DegenMoves)

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

     0     0   34.00000    0  353          -   34.00000      -     -    6s
H    0     0                       5.0000000   34.00000   580%     -    6s
H    0     0                       6.0000000   34.00000   467%     -    6s
H    0     0                       7.0000000   34.00000   386%     -    6s
     0     0   34.00000    0  595    7.00000   34.00000   386%     -   12s
H    0     0                       8.0000000   34.00000   325%     -   12s
     0     0   34.00000    0  533    8.00000   34.00000   325%     -   12s
     0     0   34.00000    0  370    8.00000   34.00000   325%     -   27s
H    0     0                       9.0000000   34.00000   278%     -   27s
     0     0   34.00000    0  377    9.00000   34.00000   278%     -   28s
H    0     0                      10.0000000   34.00000   240%     -   36s
     0     0   34.00000    0  447   10.00000   34.00000   240%     -   36s
     0     0   34.00000    0  441   10.00000   34.00000   240%     -   37s
H    0     0                      11.0000000   34.00000   209%     -   46s
     0     0   34.00000    0  398   11.00000   34.00000   209%     -   46s
     0     0   34.00000    0  420   11.00000   34.00000   209%     -   47s
     0     0          -    0        11.00000   34.00000   209%     -   50s

Cutting planes:
  Cover: 37
  Clique: 11
  MIR: 137
  StrongCG: 1
  Zero half: 70
  RLT: 75
  BQP: 1

Explored 1 nodes (41956 simplex iterations) in 50.09 seconds (50.96 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 11 10 9 ... 5

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

Wrote result file './lp_solutions/grafo3067.34.sol'

