
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 05:09:26 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3905.36.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/grafo3905.36.lp
Reading time = 0.34 seconds
: 208902 rows, 1664 columns, 627960 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 208902 rows, 1664 columns and 627960 nonzeros
Model fingerprint: 0xd3384da3
Variable types: 37 continuous, 1627 integer (1627 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 104709 rows and 18 columns
Presolve time: 1.52s
Presolved: 104193 rows, 1646 columns, 314212 nonzeros
Variable types: 0 continuous, 1646 integer (1609 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 1637 rows, 105830 columns, 315858 nonzeros


Root relaxation: objective 3.500000e+01, 2133 iterations, 1.04 seconds (1.26 work units)
Total elapsed time = 12.04s (DegenMoves)

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

     0     0   35.00000    0  323    8.00000   35.00000   337%     -   14s
H    0     0                       9.0000000   35.00000   289%     -   14s
     0     0   35.00000    0  539    9.00000   35.00000   289%     -   19s
     0     0   35.00000    0  486    9.00000   35.00000   289%     -   20s
     0     0   35.00000    0  368    9.00000   35.00000   289%     -   36s
H    0     0                      10.0000000   35.00000   250%     -   37s
     0     0   35.00000    0  360   10.00000   35.00000   250%     -   39s
     0     0   35.00000    0  295   10.00000   35.00000   250%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 31
  Clique: 16
  MIR: 100
  StrongCG: 1
  Zero half: 91
  RLT: 49

Explored 1 nodes (31326 simplex iterations) in 50.06 seconds (59.63 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 10 9 8 

Time limit reached
Best objective 1.000000000000e+01, best bound 3.500000000000e+01, gap 250.0000%

Wrote result file './lp_solutions/grafo3905.36.sol'

