
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 05:34:47 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3006.35.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/grafo3006.35.lp
Reading time = 0.11 seconds
: 54267 rows, 1516 columns, 163889 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 54267 rows, 1516 columns and 163889 nonzeros
Model fingerprint: 0x73a74b0c
Variable types: 37 continuous, 1479 integer (1479 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 14888 rows and 18 columns
Presolve time: 0.60s
Presolved: 39379 rows, 1498 columns, 119485 nonzeros
Variable types: 0 continuous, 1498 integer (1461 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 25064 rows, 15813 columns, 90855 nonzeros


Root relaxation: objective 3.800000e+01, 1224 iterations, 0.73 seconds (0.39 work units)

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

     0     0   38.00000    0  295    7.00000   38.00000   443%     -    2s
     0     0   38.00000    0  455    7.00000   38.00000   443%     -    6s
     0     0   38.00000    0  453    7.00000   38.00000   443%     -    6s
H    0     0                       8.0000000   38.00000   375%     -   16s
H    0     0                       9.0000000   38.00000   322%     -   16s
     0     0   38.00000    0  360    9.00000   38.00000   322%     -   16s
     0     0   38.00000    0  343    9.00000   38.00000   322%     -   16s
H    0     0                      10.0000000   38.00000   280%     -   22s
     0     0   38.00000    0  394   10.00000   38.00000   280%     -   22s
     0     0   38.00000    0  388   10.00000   38.00000   280%     -   23s
     0     0   38.00000    0  346   10.00000   38.00000   280%     -   29s
     0     0   38.00000    0  338   10.00000   38.00000   280%     -   29s
     0     0   38.00000    0  254   10.00000   38.00000   280%     -   39s
     0     0   38.00000    0  336   10.00000   38.00000   280%     -   40s
H    0     0                      11.0000000   38.00000   245%     -   45s
     0     0   38.00000    0  408   11.00000   38.00000   245%     -   45s
     0     0   38.00000    0  373   11.00000   38.00000   245%     -   47s
     0     0          -    0        11.00000   38.00000   245%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 16
  Clique: 6
  MIR: 131
  StrongCG: 3
  GUB cover: 2
  Zero half: 43
  RLT: 58
  BQP: 2

Explored 1 nodes (47256 simplex iterations) in 50.07 seconds (30.54 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 11 10 9 ... 2

Time limit reached
Best objective 1.100000000000e+01, best bound 3.800000000000e+01, gap 245.4545%

Wrote result file './lp_solutions/grafo3006.35.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 06:13:42 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3006.35.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/grafo3006.35.lp
Reading time = 0.09 seconds
: 54267 rows, 1516 columns, 163889 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 54267 rows, 1516 columns and 163889 nonzeros
Model fingerprint: 0x73a74b0c
Variable types: 37 continuous, 1479 integer (1479 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 14888 rows and 18 columns
Presolve time: 0.43s
Presolved: 39379 rows, 1498 columns, 119485 nonzeros
Variable types: 0 continuous, 1498 integer (1461 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 25064 rows, 15813 columns, 90855 nonzeros


Root relaxation: objective 3.800000e+01, 1224 iterations, 0.40 seconds (0.39 work units)

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

     0     0   38.00000    0  295    7.00000   38.00000   443%     -    1s
     0     0   38.00000    0  455    7.00000   38.00000   443%     -    4s
     0     0   38.00000    0  453    7.00000   38.00000   443%     -    4s
H    0     0                       8.0000000   38.00000   375%     -   10s
H    0     0                       9.0000000   38.00000   322%     -   10s
     0     0   38.00000    0  360    9.00000   38.00000   322%     -   11s
     0     0   38.00000    0  343    9.00000   38.00000   322%     -   11s
H    0     0                      10.0000000   38.00000   280%     -   14s
     0     0   38.00000    0  394   10.00000   38.00000   280%     -   14s
     0     0   38.00000    0  388   10.00000   38.00000   280%     -   15s
     0     0   38.00000    0  346   10.00000   38.00000   280%     -   19s
     0     0   38.00000    0  338   10.00000   38.00000   280%     -   19s
     0     0   38.00000    0  254   10.00000   38.00000   280%     -   26s
     0     0   38.00000    0  336   10.00000   38.00000   280%     -   26s
H    0     0                      11.0000000   38.00000   245%     -   30s
     0     0   38.00000    0  408   11.00000   38.00000   245%     -   30s
     0     0   38.00000    0  373   11.00000   38.00000   245%     -   31s
H    0     0                      13.0000000   38.00000   192%     -   37s
H    0     0                      14.0000000   38.00000   171%     -   37s
     0     0   37.85714    0  438   14.00000   37.85714   170%     -   37s
     0     0   37.85714    0  397   14.00000   37.85714   170%     -   41s
     0     2   37.85714    0  369   14.00000   37.85714   170%     -   48s
     3     8   37.85714    2  342   14.00000   37.85714   170%  1609   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 11
  Clique: 13
  MIR: 193
  StrongCG: 1
  Zero half: 12
  RLT: 89
  BQP: 2

Explored 7 nodes (67794 simplex iterations) in 50.05 seconds (49.68 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 14 13 11 ... 2

Time limit reached
Best objective 1.400000000000e+01, best bound 3.700000000000e+01, gap 164.2857%

Wrote result file './lp_solutions/grafo3006.35.sol'

