
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 08:30:55 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5688.34.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/grafo5688.34.lp
Reading time = 0.10 seconds
: 38572 rows, 1466 columns, 116772 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 38572 rows, 1466 columns and 116772 nonzeros
Model fingerprint: 0x737d437a
Variable types: 37 continuous, 1429 integer (1429 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 1.0000000
Presolve removed 6816 rows and 27 columns
Presolve time: 0.30s
Presolved: 31756 rows, 1439 columns, 96622 nonzeros
Variable types: 0 continuous, 1439 integer (1402 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 18002 rows, 15193 columns, 69114 nonzeros


Root relaxation: objective 3.800000e+01, 1144 iterations, 0.50 seconds (0.22 work units)

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

     0     0   38.00000    0  341    6.00000   38.00000   533%     -    2s
H    0     0                       8.0000000   38.00000   375%     -    2s
H    0     0                      10.0000000   38.00000   280%     -    2s
H    0     0                      11.0000000   38.00000   245%     -    5s
     0     0   38.00000    0  517   11.00000   38.00000   245%     -    5s
     0     0   38.00000    0  469   11.00000   38.00000   245%     -    5s
H    0     0                      12.0000000   38.00000   217%     -   16s
H    0     0                      13.0000000   38.00000   192%     -   16s
     0     0   38.00000    0  546   13.00000   38.00000   192%     -   16s
     0     0   38.00000    0  555   13.00000   38.00000   192%     -   16s
H    0     0                      14.0000000   38.00000   171%     -   41s
H    0     0                      16.0000000   37.66667   135%     -   41s
     0     0   37.66667    0  352   16.00000   37.66667   135%     -   41s
     0     0   37.66667    0  406   16.00000   37.66667   135%     -   42s
     0     0   37.66667    0  431   16.00000   37.66667   135%     -   50s

Cutting planes:
  Clique: 1
  MIR: 30
  StrongCG: 1
  RLT: 19

Explored 1 nodes (54262 simplex iterations) in 50.08 seconds (30.31 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 16 14 13 ... 1

Time limit reached
Best objective 1.600000000000e+01, best bound 3.700000000000e+01, gap 131.2500%

Wrote result file './lp_solutions/grafo5688.34.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 05:41:53 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5688.34.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/grafo5688.34.lp
Reading time = 0.07 seconds
: 38572 rows, 1466 columns, 116772 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 38572 rows, 1466 columns and 116772 nonzeros
Model fingerprint: 0x737d437a
Variable types: 37 continuous, 1429 integer (1429 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 1.0000000
Presolve removed 6816 rows and 27 columns
Presolve time: 0.26s
Presolved: 31756 rows, 1439 columns, 96622 nonzeros
Variable types: 0 continuous, 1439 integer (1402 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 18002 rows, 15193 columns, 69114 nonzeros


Root relaxation: objective 3.800000e+01, 1144 iterations, 0.25 seconds (0.22 work units)

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

     0     0   38.00000    0  341    6.00000   38.00000   533%     -    1s
H    0     0                       8.0000000   38.00000   375%     -    1s
H    0     0                      10.0000000   38.00000   280%     -    1s
H    0     0                      11.0000000   38.00000   245%     -    3s
     0     0   38.00000    0  517   11.00000   38.00000   245%     -    3s
     0     0   38.00000    0  469   11.00000   38.00000   245%     -    3s
H    0     0                      12.0000000   38.00000   217%     -   10s
H    0     0                      13.0000000   38.00000   192%     -   10s
     0     0   38.00000    0  546   13.00000   38.00000   192%     -   10s
     0     0   38.00000    0  555   13.00000   38.00000   192%     -   11s
H    0     0                      14.0000000   38.00000   171%     -   29s
H    0     0                      16.0000000   37.66667   135%     -   29s
     0     0   37.66667    0  352   16.00000   37.66667   135%     -   29s
     0     0   37.66667    0  406   16.00000   37.66667   135%     -   29s
     0     0   37.66667    0  431   16.00000   37.66667   135%     -   36s
     0     0   37.66667    0  428   16.00000   37.66667   135%     -   37s
     0     0   37.66667    0  421   16.00000   37.66667   135%     -   46s
H    0     0                      17.0000000   37.66667   122%     -   47s
     0     0   37.66667    0  437   17.00000   37.66667   122%     -   47s
     0     0   37.66667    0  441   17.00000   37.66667   122%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 18
  Clique: 1
  MIR: 148
  StrongCG: 2
  GUB cover: 1
  Inf proof: 1
  Zero half: 30
  RLT: 65

Explored 1 nodes (74723 simplex iterations) in 50.04 seconds (41.76 work units)
Thread count was 8 (of 8 available processors)

Solution count 10: 17 16 14 ... 1

Time limit reached
Best objective 1.700000000000e+01, best bound 3.700000000000e+01, gap 117.6471%

Wrote result file './lp_solutions/grafo5688.34.sol'

