
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 18:11:48 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1445.30.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/grafo1445.30.lp
Reading time = 0.12 seconds
: 59047 rows, 1176 columns, 177935 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 59047 rows, 1176 columns and 177935 nonzeros
Model fingerprint: 0x73ea7ff0
Variable types: 31 continuous, 1145 integer (1145 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 23631 rows and 19 columns
Presolve time: 0.46s
Presolved: 35416 rows, 1157 columns, 107207 nonzeros
Variable types: 0 continuous, 1157 integer (1126 binary)
Root relaxation presolved: 1157 rows, 36573 columns, 108364 nonzeros


Root relaxation: objective 3.400000e+01, 1731 iterations, 0.49 seconds (0.37 work units)
Total elapsed time = 5.13s (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      -     -    5s
H    0     0                       4.0000000   34.00000   750%     -    7s
     0     0   34.00000    0  504    4.00000   34.00000   750%     -   10s
H    0     0                       6.0000000   34.00000   467%     -   10s
     0     0   34.00000    0  464    6.00000   34.00000   467%     -   11s
H    0     0                       7.0000000   34.00000   386%     -   20s
     0     0   34.00000    0  226    7.00000   34.00000   386%     -   20s
     0     0   34.00000    0  244    7.00000   34.00000   386%     -   20s
H    0     0                       9.0000000   34.00000   278%     -   27s
     0     0   34.00000    0  381    9.00000   34.00000   278%     -   27s
     0     0   34.00000    0  380    9.00000   34.00000   278%     -   28s
H    0     0                      11.0000000   34.00000   209%     -   38s
     0     0   34.00000    0  369   11.00000   34.00000   209%     -   38s
     0     0   34.00000    0  303   11.00000   34.00000   209%     -   39s
     0     0   34.00000    0  407   11.00000   34.00000   209%     -   47s
     0     0   34.00000    0  385   11.00000   34.00000   209%     -   48s
     0     0          -    0        11.00000   34.00000   209%     -   50s

Cutting planes:
  Cover: 13
  Clique: 27
  MIR: 79
  GUB cover: 1
  Zero half: 17
  RLT: 58
  BQP: 1

Explored 1 nodes (43204 simplex iterations) in 50.05 seconds (33.85 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 11 9 7 ... 4

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

Wrote result file './lp_solutions/grafo1445.30.sol'

