
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 20:21:14 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo4070.36.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/grafo4070.36.lp
Reading time = 0.13 seconds
: 76325 rows, 1600 columns, 230166 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 76325 rows, 1600 columns and 230166 nonzeros
Model fingerprint: 0xd018ada9
Variable types: 38 continuous, 1562 integer (1562 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 24959 rows and 22 columns
Presolve time: 0.62s
Presolved: 51366 rows, 1578 columns, 155545 nonzeros
Variable types: 0 continuous, 1578 integer (1540 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1578 rows, 52944 columns, 157123 nonzeros


Root relaxation: objective 3.300000e+01, 1446 iterations, 0.30 seconds (0.30 work units)

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

     0     0   33.00000    0  351    7.00000   33.00000   371%     -    3s
H    0     0                       8.0000000   33.00000   312%     -    3s
H    0     0                      10.0000000   33.00000   230%     -    4s
H    0     0                      11.0000000   33.00000   200%     -   11s
     0     0   33.00000    0  783   11.00000   33.00000   200%     -   12s
     0     0   33.00000    0  756   11.00000   33.00000   200%     -   13s
H    0     0                      12.0000000   33.00000   175%     -   23s
     0     0   33.00000    0  297   12.00000   33.00000   175%     -   23s
     0     0   33.00000    0  267   12.00000   33.00000   175%     -   23s
H    0     0                      14.0000000   33.00000   136%     -   35s
     0     0   33.00000    0  312   14.00000   33.00000   136%     -   35s
     0     0   33.00000    0  295   14.00000   33.00000   136%     -   35s
     0     0   33.00000    0  294   14.00000   33.00000   136%     -   50s

Cutting planes:
  Cover: 1
  Clique: 9
  MIR: 28
  Zero half: 5
  RLT: 15

Explored 1 nodes (44840 simplex iterations) in 50.07 seconds (42.00 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 14 12 11 ... 2

Time limit reached
Best objective 1.400000000000e+01, best bound 3.300000000000e+01, gap 135.7143%

Wrote result file './lp_solutions/grafo4070.36.sol'

