CPLEX> read opgave7.lp
Problem 'opgave7.lp' read.
Read time =    0.01 sec.
CPLEX> opt
Tried aggregator 1 time.
MIP Presolve eliminated 10 rows and 0 columns.
Reduced MIP has 14 rows, 10 columns, and 38 nonzeros.
Presolve time =    0.00 sec.
Clique table members: 1
Root relaxation solution time =    0.01 sec.

        Nodes                                         Cuts/
   Node  Left     Objective  IInf  Best Integer     Best Node    ItCnt     Gap

      0     0   200000.0000     5                 200000.0000        9        
                196923.0769     4                Flowcuts:  2       12
                190000.0000     6                Flowcuts:  2       14
*     0+    0    69998.8000     0    69998.8000   190000.0000       14  171.43%
*     2     0    80000.0000     0    80000.0000                     24    0.00%

Flow cuts applied:  4

Integer optimal solution:  Objective =    8.0000000000e+04
Solution time =    0.04 sec.  Iterations = 24  Nodes = 2

CPLEX> dis sol var -
Variable Name           Solution Value
x2                         2000.000000
x4                            0.000000
d2                            1.000000
da                            1.000000
All other variables in the range 1-10 are zero.