
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 08:21:41 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5627.34.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/grafo5627.34.lp
Reading time = 0.10 seconds
: 49428 rows, 1581 columns, 149502 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 49428 rows, 1581 columns and 149502 nonzeros
Model fingerprint: 0x16316e47
Variable types: 39 continuous, 1542 integer (1542 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 11411 rows and 31 columns
Presolve time: 0.39s
Presolved: 38017 rows, 1550 columns, 115713 nonzeros
Variable types: 0 continuous, 1550 integer (1511 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 22894 rows, 16673 columns, 85467 nonzeros


Root relaxation: objective 3.800000e+01, 4136 iterations, 2.95 seconds (2.04 work units)
Total elapsed time = 7.84s (DegenMoves)

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

     0     0   38.00000    0  457   11.00000   38.00000   245%     -    9s
H    0     0                      13.0000000   38.00000   192%     -   12s
H    0     0                      14.0000000   38.00000   171%     -   12s
     0     0   38.00000    0  600   14.00000   38.00000   171%     -   19s
H    0     0                      15.0000000   38.00000   153%     -   19s
     0     0   38.00000    0  605   15.00000   38.00000   153%     -   20s
     0     0   38.00000    0  450   15.00000   38.00000   153%     -   44s
     0     0   38.00000    0  474   15.00000   38.00000   153%     -   45s
     0     0          -    0        15.00000   38.00000   153%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 33
  Clique: 4
  MIR: 139
  StrongCG: 5
  GUB cover: 3
  Zero half: 38
  RLT: 67

Explored 1 nodes (42730 simplex iterations) in 50.05 seconds (32.85 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 15 14 13 ... 1

Time limit reached
Best objective 1.500000000000e+01, best bound 3.800000000000e+01, gap 153.3333%

Wrote result file './lp_solutions/grafo5627.34.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 05:40:13 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5627.34.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/grafo5627.34.lp
Reading time = 0.08 seconds
: 49428 rows, 1581 columns, 149502 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 49428 rows, 1581 columns and 149502 nonzeros
Model fingerprint: 0x16316e47
Variable types: 39 continuous, 1542 integer (1542 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 11411 rows and 31 columns
Presolve time: 0.34s
Presolved: 38017 rows, 1550 columns, 115713 nonzeros
Variable types: 0 continuous, 1550 integer (1511 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 22894 rows, 16673 columns, 85467 nonzeros


Root relaxation: objective 3.800000e+01, 4136 iterations, 2.21 seconds (2.04 work units)
Total elapsed time = 5.99s (DegenMoves)

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

     0     0   38.00000    0  457   11.00000   38.00000   245%     -    7s
H    0     0                      13.0000000   38.00000   192%     -    9s
H    0     0                      14.0000000   38.00000   171%     -    9s
     0     0   38.00000    0  600   14.00000   38.00000   171%     -   13s
H    0     0                      15.0000000   38.00000   153%     -   13s
     0     0   38.00000    0  605   15.00000   38.00000   153%     -   14s
     0     0   38.00000    0  450   15.00000   38.00000   153%     -   32s
     0     0   38.00000    0  474   15.00000   38.00000   153%     -   33s
     0     0   38.00000    0  538   15.00000   38.00000   153%     -   46s
     0     0   38.00000    0  528   15.00000   38.00000   153%     -   47s
     0     0          -    0        15.00000   38.00000   153%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 14
  Clique: 4
  MIR: 134
  GUB cover: 6
  Zero half: 43
  RLT: 49

Explored 1 nodes (61729 simplex iterations) in 50.06 seconds (46.50 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 15 14 13 ... 1

Time limit reached
Best objective 1.500000000000e+01, best bound 3.800000000000e+01, gap 153.3333%

Wrote result file './lp_solutions/grafo5627.34.sol'

