| Units: | Yes/No |
| Default Value: | False (0) |
| Validation Rule: | False (0) or True (-1) |
| Description: | If the MIP search can be interrupted by pressing the CTRL-P key combination |
When this option is set, the mixed integer programming (MIP) optimizer can be interrupted by pressing the CTRL-P key combination on the console window. Note that it can take several minutes for the interruption to occur. Confirmation is requested before the MIP search is finally terminated:
Warning: Optimization halted by the user -------------------------------------------------------------------------------------------------------------------------------- Best objective found........................................................................................ 0 -------------------------------------------------------------------------------------------------------------------------------- Finish searching now and accept the current best integer solution? Yes (y) / No (n)The search should only be interrupted if an integer solution is available. For example, in the following log an integer solution is available after 110 seconds.
Root relaxation: objective -4.954782e+06, 92079 iterations, 19.33 seconds (15.26 work units)
Total elapsed time = 43.17s
Total elapsed time = 45.98s
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 -4954781.6 0 10225 - -4954781.6 - - 49s
0 0 -4954781.1 0 9830 - -4954781.1 - - 72s
0 0 -4954781.1 0 9715 - -4954781.1 - - 74s
0 0 -4954765.2 0 9582 - -4954765.2 - - 83s
0 0 -4954590.0 0 9475 - -4954590.0 - - 85s
0 0 -4954590.0 0 9469 - -4954590.0 - - 86s
0 0 -4954569.2 0 9629 - -4954569.2 - - 98s
H 0 0 -4716986.836 -4954569.2 5.04% - 110s
0 0 -4954557.8 0 9612 -4716986.8 -4954557.8 5.04% - 111s
0 0 -4954557.8 0 9615 -4716986.8 -4954557.8 5.04% - 112s
0 0 -4954554.1 0 9561 -4716986.8 -4954554.1 5.04% - 122s
0 0 -4954554.1 0 9534 -4716986.8 -4954554.1 5.04% - 123s
0 0 -4954554.1 0 9465 -4716986.8 -4954554.1 5.04% - 129s
Note that this option only applies when using the console execution
window.