
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 18:10:58 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo135.30.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/grafo135.30.lp
Reading time = 0.11 seconds
: 59424 rows, 1387 columns, 179387 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 59424 rows, 1387 columns and 179387 nonzeros
Model fingerprint: 0x85a6e3a5
Variable types: 36 continuous, 1351 integer (1351 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 2.0000000
Presolve removed 20760 rows and 15 columns
Presolve time: 0.54s
Presolved: 38664 rows, 1372 columns, 117468 nonzeros
Variable types: 0 continuous, 1372 integer (1336 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 27464 rows, 12572 columns, 95068 nonzeros


Root relaxation: objective 3.500000e+01, 2350 iterations, 1.47 seconds (1.13 work units)

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

     0     0   35.00000    0  369   10.00000   35.00000   250%     -    4s
     0     0   35.00000    0  612   10.00000   35.00000   250%     -   11s
H    0     0                      11.0000000   35.00000   218%     -   11s
     0     0   35.00000    0  552   11.00000   35.00000   218%     -   12s
H    0     0                      13.0000000   35.00000   169%     -   46s
     0     0   35.00000    0  438   13.00000   35.00000   169%     -   46s
     0     0   35.00000    0  402   13.00000   35.00000   169%     -   47s
     0     0          -    0        13.00000   35.00000   169%     -   50s

Cutting planes:
  Cover: 23
  Clique: 20
  MIR: 89
  StrongCG: 1
  GUB cover: 1
  Zero half: 95
  RLT: 71
  BQP: 2

Explored 1 nodes (37141 simplex iterations) in 50.03 seconds (34.58 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 13 11 10 2 

Time limit reached
Best objective 1.300000000000e+01, best bound 3.500000000000e+01, gap 169.2308%

Wrote result file './lp_solutions/grafo135.30.sol'

