
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 08:40:08 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5736.37.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/grafo5736.37.lp
Reading time = 0.15 seconds
: 67605 rows, 2007 columns, 204584 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 67605 rows, 2007 columns and 204584 nonzeros
Model fingerprint: 0x6e19c29c
Variable types: 46 continuous, 1961 integer (1961 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 13709 rows and 28 columns
Presolve time: 0.60s
Presolved: 53896 rows, 1979 columns, 163793 nonzeros
Variable types: 0 continuous, 1979 integer (1933 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 1979 rows, 55875 columns, 165772 nonzeros


Root relaxation: objective 4.700000e+01, 1780 iterations, 0.44 seconds (0.29 work units)
Total elapsed time = 6.28s (DegenMoves)

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

     0     0   47.00000    0  557   10.00000   47.00000   370%     -    7s
H    0     0                      13.0000000   47.00000   262%     -    7s
     0     0   47.00000    0  961   13.00000   47.00000   262%     -   24s
H    0     0                      15.0000000   47.00000   213%     -   24s
     0     0   47.00000    0  893   15.00000   47.00000   213%     -   26s
     0     0   47.00000    0  913   15.00000   47.00000   213%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 9
  Clique: 2
  MIR: 116
  Zero half: 69
  RLT: 59
  BQP: 1

Explored 1 nodes (30076 simplex iterations) in 50.08 seconds (29.04 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 15 13 10 4 

Time limit reached
Best objective 1.500000000000e+01, best bound 4.700000000000e+01, gap 213.3333%

Wrote result file './lp_solutions/grafo5736.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 08:39:27 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5736.37.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/grafo5736.37.lp
Reading time = 0.11 seconds
: 67605 rows, 2007 columns, 204584 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 67605 rows, 2007 columns and 204584 nonzeros
Model fingerprint: 0x6e19c29c
Variable types: 46 continuous, 1961 integer (1961 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 13709 rows and 28 columns
Presolve time: 0.46s
Presolved: 53896 rows, 1979 columns, 163793 nonzeros
Variable types: 0 continuous, 1979 integer (1933 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 1979 rows, 55875 columns, 165772 nonzeros


Root relaxation: objective 4.700000e+01, 1780 iterations, 0.31 seconds (0.29 work units)

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

     0     0   47.00000    0  557   10.00000   47.00000   370%     -    5s
H    0     0                      13.0000000   47.00000   262%     -    5s
     0     0   47.00000    0  961   13.00000   47.00000   262%     -   17s
H    0     0                      15.0000000   47.00000   213%     -   17s
     0     0   47.00000    0  893   15.00000   47.00000   213%     -   19s
     0     0   46.96667    0  913   15.00000   46.96667   213%     -   41s
     0     0   46.96667    0  875   15.00000   46.96667   213%     -   42s
     0     0   46.96667    0  884   15.00000   46.96667   213%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 5
  Clique: 5
  MIR: 114
  Zero half: 71
  RLT: 68
  BQP: 1

Explored 1 nodes (40535 simplex iterations) in 50.06 seconds (40.01 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 15 13 10 4 

Time limit reached
Best objective 1.500000000000e+01, best bound 4.600000000000e+01, gap 206.6667%

Wrote result file './lp_solutions/grafo5736.37.sol'

