
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 04:18:13 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11639.35.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/grafo11639.35.lp
Reading time = 0.10 seconds
: 60198 rows, 1539 columns, 181750 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 60198 rows, 1539 columns and 181750 nonzeros
Model fingerprint: 0x64d47f5e
Variable types: 36 continuous, 1503 integer (1503 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 4.0000000
Presolve removed 18046 rows and 28 columns
Presolve time: 0.44s
Presolved: 42152 rows, 1511 columns, 127998 nonzeros
Variable types: 0 continuous, 1511 integer (1475 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 28467 rows, 15196 columns, 100628 nonzeros


Root relaxation: objective 3.000000e+01, 1053 iterations, 0.37 seconds (0.39 work units)

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

     0     0   30.00000    0  180   11.00000   30.00000   173%     -    2s
H    0     0                      14.0000000   30.00000   114%     -    2s
H    0     0                      15.0000000   30.00000   100%     -    5s
     0     0   30.00000    0  484   15.00000   30.00000   100%     -    5s
     0     0   30.00000    0  466   15.00000   30.00000   100%     -    6s
     0     0   30.00000    0  353   15.00000   30.00000   100%     -   21s
     0     0   30.00000    0  350   15.00000   30.00000   100%     -   21s
H    0     0                      16.0000000   30.00000  87.5%     -   22s
     0     0   30.00000    0  258   16.00000   30.00000  87.5%     -   33s
     0     0   30.00000    0  232   16.00000   30.00000  87.5%     -   33s
     0     0   30.00000    0  330   16.00000   30.00000  87.5%     -   37s
     0     0   30.00000    0  247   16.00000   30.00000  87.5%     -   37s
     0     0   30.00000    0  256   16.00000   30.00000  87.5%     -   50s

Cutting planes:
  Clique: 10
  MIR: 4
  Zero half: 1
  RLT: 10
  BQP: 1

Explored 1 nodes (62421 simplex iterations) in 50.10 seconds (49.52 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 16 15 14 ... 4

Time limit reached
Best objective 1.600000000000e+01, best bound 3.000000000000e+01, gap 87.5000%

Wrote result file './lp_solutions/grafo11639.35.sol'

