
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 18:36:55 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3029.32.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/grafo3029.32.lp
Reading time = 0.15 seconds
: 90485 rows, 1234 columns, 272226 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 90485 rows, 1234 columns and 272226 nonzeros
Model fingerprint: 0x5a116d7e
Variable types: 30 continuous, 1204 integer (1204 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 43432 rows and 6 columns
Presolve time: 0.50s
Presolved: 47053 rows, 1228 columns, 142205 nonzeros
Variable types: 0 continuous, 1228 integer (1198 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1220 rows, 48273 columns, 143433 nonzeros


Root relaxation: objective 3.700000e+01, 1179 iterations, 0.29 seconds (0.29 work units)

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

     0     0   37.00000    0  269    9.00000   37.00000   311%     -    3s
     0     0   37.00000    0  421    9.00000   37.00000   311%     -    6s
     0     0   37.00000    0  374    9.00000   37.00000   311%     -    6s
H    0     0                      11.0000000   37.00000   236%     -   13s
     0     0   37.00000    0  308   11.00000   37.00000   236%     -   13s
     0     0   37.00000    0  325   11.00000   37.00000   236%     -   14s
     0     0   37.00000    0  358   11.00000   37.00000   236%     -   18s
     0     0   37.00000    0  344   11.00000   37.00000   236%     -   19s
     0     0   37.00000    0  332   11.00000   37.00000   236%     -   26s
     0     0   37.00000    0  326   11.00000   37.00000   236%     -   27s
     0     0   37.00000    0  338   11.00000   37.00000   236%     -   31s
     0     0   37.00000    0  328   11.00000   37.00000   236%     -   32s
     0     0   37.00000    0  216   11.00000   37.00000   236%     -   36s
     0     0   37.00000    0  266   11.00000   37.00000   236%     -   36s
H    0     0                      13.0000000   37.00000   185%     -   41s
     0     0   37.00000    0  345   13.00000   37.00000   185%     -   41s
     0     0   37.00000    0  278   13.00000   37.00000   185%     -   44s

Cutting planes:
  Gomory: 1
  Clique: 8
  MIR: 8
  Zero half: 4
  RLT: 12

Explored 1 nodes (46067 simplex iterations) in 50.02 seconds (51.44 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 13 11 9 

Time limit reached
Best objective 1.300000000000e+01, best bound 3.700000000000e+01, gap 184.6154%

Wrote result file './lp_solutions/grafo3029.32.sol'

