
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 21:59:17 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3110.38.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/grafo3110.38.lp
Reading time = 0.16 seconds
: 98029 rows, 1879 columns, 295534 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 98029 rows, 1879 columns and 295534 nonzeros
Model fingerprint: 0x4b479184
Variable types: 41 continuous, 1838 integer (1838 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 33527 rows and 19 columns
Presolve time: 0.85s
Presolved: 64502 rows, 1860 columns, 195331 nonzeros
Variable types: 0 continuous, 1860 integer (1819 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 1857 rows, 66359 columns, 197191 nonzeros


Root relaxation: objective 4.500000e+01, 2082 iterations, 0.60 seconds (0.66 work units)
Total elapsed time = 6.90s (DegenMoves)

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

     0     0   45.00000    0  411    8.00000   45.00000   462%     -   10s
H    0     0                       9.0000000   45.00000   400%     -   10s
H    0     0                      10.0000000   45.00000   350%     -   11s
     0     0   45.00000    0  753   10.00000   45.00000   350%     -   21s
     0     0   45.00000    0  732   10.00000   45.00000   350%     -   21s
     0     0   45.00000    0  791   10.00000   45.00000   350%     -   50s

Cutting planes:
  Gomory: 5
  Lift-and-project: 3
  Cover: 20
  Clique: 10
  MIR: 139
  StrongCG: 2
  Zero half: 65
  RLT: 64
  BQP: 2

Explored 1 nodes (35323 simplex iterations) in 50.08 seconds (41.42 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 10 9 8 3 

Time limit reached
Best objective 1.000000000000e+01, best bound 4.500000000000e+01, gap 350.0000%

Wrote result file './lp_solutions/grafo3110.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 02:43:06 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3110.38.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/grafo3110.38.lp
Reading time = 0.16 seconds
: 98029 rows, 1879 columns, 295534 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 98029 rows, 1879 columns and 295534 nonzeros
Model fingerprint: 0x4b479184
Variable types: 41 continuous, 1838 integer (1838 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 33527 rows and 19 columns
Presolve time: 0.66s
Presolved: 64502 rows, 1860 columns, 195331 nonzeros
Variable types: 0 continuous, 1860 integer (1819 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 1857 rows, 66359 columns, 197191 nonzeros


Root relaxation: objective 4.500000e+01, 2082 iterations, 0.59 seconds (0.66 work units)
Total elapsed time = 5.98s (DegenMoves)

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

     0     0   45.00000    0  411    8.00000   45.00000   462%     -    8s
H    0     0                       9.0000000   45.00000   400%     -    8s
H    0     0                      10.0000000   45.00000   350%     -   10s
     0     0   45.00000    0  753   10.00000   45.00000   350%     -   18s
     0     0   45.00000    0  732   10.00000   45.00000   350%     -   19s
     0     0   45.00000    0  762   10.00000   45.00000   350%     -   50s

Cutting planes:
  Gomory: 5
  Lift-and-project: 3
  Cover: 20
  Clique: 10
  MIR: 139
  StrongCG: 2
  Zero half: 65
  RLT: 64
  BQP: 2

Explored 1 nodes (41029 simplex iterations) in 50.07 seconds (52.95 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 10 9 8 3 

Time limit reached
Best objective 1.000000000000e+01, best bound 4.500000000000e+01, gap 350.0000%

Wrote result file './lp_solutions/grafo3110.38.sol'

