
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 03:18:06 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11553.37.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/grafo11553.37.lp
Reading time = 0.13 seconds
: 66538 rows, 1852 columns, 201154 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 66538 rows, 1852 columns and 201154 nonzeros
Model fingerprint: 0x6fbe9c80
Variable types: 43 continuous, 1809 integer (1809 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 15110 rows and 31 columns
Presolve time: 0.67s
Presolved: 51428 rows, 1821 columns, 156223 nonzeros
Variable types: 0 continuous, 1821 integer (1778 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 1818 rows, 53246 columns, 158044 nonzeros


Root relaxation: objective 3.800000e+01, 1324 iterations, 0.47 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  317   11.00000   38.00000   245%     -    3s
H    0     0                      13.0000000   38.00000   192%     -    3s
H    0     0                      15.0000000   38.00000   153%     -   13s
     0     0   38.00000    0  642   15.00000   38.00000   153%     -   14s
     0     0   38.00000    0  653   15.00000   38.00000   153%     -   16s
H    0     0                      16.0000000   38.00000   137%     -   50s
H    0     0                      17.0000000   38.00000   124%     -   50s
     0     0   38.00000    0  463   17.00000   38.00000   124%     -   50s

Cutting planes:
  Gomory: 1
  Clique: 4
  MIR: 5
  RLT: 7

Explored 1 nodes (31712 simplex iterations) in 50.13 seconds (32.53 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 17 16 15 ... 3

Time limit reached
Best objective 1.700000000000e+01, best bound 3.800000000000e+01, gap 123.5294%

Wrote result file './lp_solutions/grafo11553.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 08:14:19 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11553.37.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/grafo11553.37.lp
Reading time = 0.11 seconds
: 66538 rows, 1852 columns, 201154 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 66538 rows, 1852 columns and 201154 nonzeros
Model fingerprint: 0x6fbe9c80
Variable types: 43 continuous, 1809 integer (1809 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 15110 rows and 31 columns
Presolve time: 0.48s
Presolved: 51428 rows, 1821 columns, 156223 nonzeros
Variable types: 0 continuous, 1821 integer (1778 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 1818 rows, 53246 columns, 158044 nonzeros


Root relaxation: objective 3.800000e+01, 1324 iterations, 0.26 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  317   11.00000   38.00000   245%     -    2s
H    0     0                      13.0000000   38.00000   192%     -    2s
H    0     0                      15.0000000   38.00000   153%     -    9s
     0     0   38.00000    0  642   15.00000   38.00000   153%     -   10s
     0     0   38.00000    0  653   15.00000   38.00000   153%     -   10s
H    0     0                      16.0000000   38.00000   137%     -   38s
H    0     0                      17.0000000   38.00000   124%     -   38s
     0     0   38.00000    0  463   17.00000   38.00000   124%     -   38s
     0     0   38.00000    0  449   17.00000   38.00000   124%     -   38s
H    0     0                      18.0000000   38.00000   111%     -   50s
     0     0   38.00000    0  324   18.00000   38.00000   111%     -   50s

Cutting planes:
  Clique: 4
  MIR: 12
  RLT: 13

Explored 1 nodes (45088 simplex iterations) in 50.10 seconds (43.37 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 18 17 16 ... 3

Time limit reached
Best objective 1.800000000000e+01, best bound 3.800000000000e+01, gap 111.1111%

Wrote result file './lp_solutions/grafo11553.37.sol'

