
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 03:19:47 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11560.35.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/grafo11560.35.lp
Reading time = 0.23 seconds
: 94201 rows, 1873 columns, 284200 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 94201 rows, 1873 columns and 284200 nonzeros
Model fingerprint: 0x9f60f84d
Variable types: 44 continuous, 1829 integer (1829 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 31484 rows and 24 columns
Presolve time: 0.98s
Presolved: 62717 rows, 1849 columns, 190066 nonzeros
Variable types: 0 continuous, 1849 integer (1805 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 1846 rows, 64563 columns, 191915 nonzeros


Root relaxation: objective 4.900000e+01, 1692 iterations, 0.66 seconds (0.42 work units)

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

     0     0   49.00000    0  479    5.00000   49.00000   880%     -    5s
H    0     0                       7.0000000   49.00000   600%     -    5s
H    0     0                       8.0000000   49.00000   512%     -    5s
     0     0   49.00000    0  754    8.00000   49.00000   512%     -   19s
H    0     0                      12.0000000   49.00000   308%     -   19s
     0     0   49.00000    0  682   12.00000   49.00000   308%     -   23s
     0     0   49.00000    0  609   12.00000   49.00000   308%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 18
  Clique: 18
  MIR: 140
  Zero half: 89
  RLT: 72
  BQP: 1

Explored 1 nodes (28844 simplex iterations) in 50.13 seconds (34.52 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 12 8 7 ... 2

Time limit reached
Best objective 1.200000000000e+01, best bound 4.900000000000e+01, gap 308.3333%

Wrote result file './lp_solutions/grafo11560.35.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 06:07:50 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11560.35.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/grafo11560.35.lp
Reading time = 0.24 seconds
: 94201 rows, 1873 columns, 284200 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 94201 rows, 1873 columns and 284200 nonzeros
Model fingerprint: 0x9f60f84d
Variable types: 44 continuous, 1829 integer (1829 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 31484 rows and 24 columns
Presolve time: 0.71s
Presolved: 62717 rows, 1849 columns, 190066 nonzeros
Variable types: 0 continuous, 1849 integer (1805 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 1846 rows, 64563 columns, 191915 nonzeros


Root relaxation: objective 4.900000e+01, 1692 iterations, 0.41 seconds (0.42 work units)

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

     0     0   49.00000    0  479    5.00000   49.00000   880%     -    3s
H    0     0                       7.0000000   49.00000   600%     -    3s
H    0     0                       8.0000000   49.00000   512%     -    3s
     0     0   49.00000    0  754    8.00000   49.00000   512%     -   13s
H    0     0                      12.0000000   49.00000   308%     -   13s
     0     0   49.00000    0  682   12.00000   49.00000   308%     -   15s
H    0     0                      13.0000000   49.00000   277%     -   39s
H    0     0                      14.0000000   49.00000   250%     -   39s
     0     0   49.00000    0  527   14.00000   49.00000   250%     -   39s
     0     0   49.00000    0  530   14.00000   49.00000   250%     -   40s
     0     0   49.00000    0  574   14.00000   49.00000   250%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 30
  Clique: 21
  MIR: 176
  StrongCG: 1
  GUB cover: 2
  Zero half: 70
  RLT: 80

Explored 1 nodes (38785 simplex iterations) in 50.08 seconds (47.56 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 14 13 12 ... 2

Time limit reached
Best objective 1.400000000000e+01, best bound 4.900000000000e+01, gap 250.0000%

Wrote result file './lp_solutions/grafo11560.35.sol'

