
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 02:51:30 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3788.38.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/grafo3788.38.lp
Reading time = 0.11 seconds
: 65164 rows, 1653 columns, 196599 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 65164 rows, 1653 columns and 196599 nonzeros
Model fingerprint: 0xcb691b45
Variable types: 37 continuous, 1616 integer (1616 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 -0.0000000
Presolve removed 18579 rows and 24 columns
Presolve time: 0.45s
Presolved: 46585 rows, 1629 columns, 141166 nonzeros
Variable types: 0 continuous, 1629 integer (1592 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1629 rows, 48214 columns, 142795 nonzeros


Root relaxation: objective 3.700000e+01, 1815 iterations, 0.35 seconds (0.38 work units)

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

     0     0   37.00000    0  457    9.00000   37.00000   311%     -    4s
     0     0   37.00000    0  757    9.00000   37.00000   311%     -   13s
     0     0   37.00000    0  730    9.00000   37.00000   311%     -   14s
H    0     0                      10.0000000   37.00000   270%     -   34s
     0     0   37.00000    0  650   10.00000   37.00000   270%     -   34s
H    0     0                      11.0000000   37.00000   236%     -   34s
     0     0   37.00000    0  597   11.00000   37.00000   236%     -   35s
     0     0   37.00000    0  645   11.00000   37.00000   236%     -   49s
     0     0   37.00000    0  623   11.00000   37.00000   236%     -   49s

Cutting planes:
  Gomory: 1
  Cover: 7
  Clique: 16
  MIR: 83
  StrongCG: 1
  Inf proof: 1
  Zero half: 14
  RLT: 81
  BQP: 1

Explored 1 nodes (48772 simplex iterations) in 50.05 seconds (45.48 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 11 10 9 -0 

Time limit reached
Best objective 1.100000000000e+01, best bound 3.700000000000e+01, gap 236.3636%

Wrote result file './lp_solutions/grafo3788.38.sol'

