
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 07:11:17 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5200.35.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/grafo5200.35.lp
Reading time = 0.07 seconds
: 34145 rows, 1488 columns, 103488 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 34145 rows, 1488 columns and 103488 nonzeros
Model fingerprint: 0x98313d10
Variable types: 37 continuous, 1451 integer (1451 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 3.0000000
Presolve removed 3504 rows and 32 columns
Presolve time: 0.30s
Presolved: 30641 rows, 1456 columns, 93301 nonzeros
Variable types: 0 continuous, 1456 integer (1419 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 16326 rows, 15771 columns, 64671 nonzeros


Root relaxation: objective 3.500000e+01, 2424 iterations, 1.10 seconds (0.61 work units)

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

     0     0   35.00000    0  408    8.00000   35.00000   338%     -    3s
H    0     0                       9.0000000   35.00000   289%     -    5s
     0     0   35.00000    0  652    9.00000   35.00000   289%     -   10s
     0     0   35.00000    0  614    9.00000   35.00000   289%     -   10s
H    0     0                      10.0000000   35.00000   250%     -   28s
     0     0   35.00000    0  650   10.00000   35.00000   250%     -   28s
H    0     0                      11.0000000   35.00000   218%     -   28s
     0     0   35.00000    0  613   11.00000   35.00000   218%     -   29s
     0     0   35.00000    0  345   11.00000   35.00000   218%     -   35s
     0     0   35.00000    0  374   11.00000   35.00000   218%     -   36s
H    0     0                      12.0000000   35.00000   192%     -   45s
H    0     0                      13.0000000   35.00000   169%     -   45s
     0     0   35.00000    0  354   13.00000   35.00000   169%     -   45s
     0     0   35.00000    0  369   13.00000   35.00000   169%     -   46s
     0     0   35.00000    0  512   13.00000   35.00000   169%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 20
  Clique: 2
  MIR: 108
  GUB cover: 4
  Zero half: 44
  RLT: 55

Explored 1 nodes (54082 simplex iterations) in 50.07 seconds (30.09 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 13 12 11 ... 3

Time limit reached
Best objective 1.300000000000e+01, best bound 3.500000000000e+01, gap 169.2308%

Wrote result file './lp_solutions/grafo5200.35.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 06:18:43 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5200.35.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/grafo5200.35.lp
Reading time = 0.06 seconds
: 34145 rows, 1488 columns, 103488 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 34145 rows, 1488 columns and 103488 nonzeros
Model fingerprint: 0x98313d10
Variable types: 37 continuous, 1451 integer (1451 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 3.0000000
Presolve removed 3504 rows and 32 columns
Presolve time: 0.22s
Presolved: 30641 rows, 1456 columns, 93301 nonzeros
Variable types: 0 continuous, 1456 integer (1419 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 16326 rows, 15771 columns, 64671 nonzeros


Root relaxation: objective 3.500000e+01, 2424 iterations, 0.69 seconds (0.61 work units)

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

     0     0   35.00000    0  408    8.00000   35.00000   338%     -    2s
H    0     0                       9.0000000   35.00000   289%     -    3s
     0     0   35.00000    0  652    9.00000   35.00000   289%     -    6s
     0     0   35.00000    0  614    9.00000   35.00000   289%     -    6s
H    0     0                      10.0000000   35.00000   250%     -   19s
     0     0   35.00000    0  650   10.00000   35.00000   250%     -   19s
H    0     0                      11.0000000   35.00000   218%     -   19s
     0     0   35.00000    0  613   11.00000   35.00000   218%     -   20s
     0     0   35.00000    0  345   11.00000   35.00000   218%     -   24s
     0     0   35.00000    0  374   11.00000   35.00000   218%     -   24s
H    0     0                      12.0000000   35.00000   192%     -   31s
H    0     0                      13.0000000   35.00000   169%     -   31s
     0     0   35.00000    0  354   13.00000   35.00000   169%     -   31s
     0     0   35.00000    0  369   13.00000   35.00000   169%     -   31s
H    0     0                      14.0000000   35.00000   150%     -   35s
     0     0   35.00000    0  316   14.00000   35.00000   150%     -   35s
     0     0   35.00000    0  339   14.00000   35.00000   150%     -   35s
     0     0   35.00000    0  392   14.00000   35.00000   150%     -   42s
     0     0   35.00000    0  376   14.00000   35.00000   150%     -   42s
     0     0   35.00000    0  624   14.00000   35.00000   150%     -   50s

Cutting planes:
  Cover: 25
  MIR: 131
  StrongCG: 2
  GUB cover: 3
  Zero half: 14
  RLT: 51

Explored 1 nodes (84688 simplex iterations) in 50.04 seconds (45.65 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 14 13 12 ... 3

Time limit reached
Best objective 1.400000000000e+01, best bound 3.500000000000e+01, gap 150.0000%

Wrote result file './lp_solutions/grafo5200.35.sol'

