Not sure what I’m not understanding.
The Senate is operating under S. Con. Res. 31.
It seemed easier to go to thomas, but I’ll go to the horses mouth - congress.gov
PROVIDING FOR A CONDITIONAL
ADJOURNMENT OR RECESS OF
THE SENATE AND AN ADJOURNMENT
OF THE HOUSE OF REPRESENTATIVES.
The conditional adjournment\recess covers the weekend.
The house gets to go home.
Senate keeps the skeleton crew.
Senate is conditionally adjourned until Monday 02/15/2016.
It will go on like that until they get back unless the house relieves them.
https://www.congress.gov/crec/2016/02/12/CREC-2016-02-12-pt1-PgS887-5.pdf
note orders section thru 02/22/2016
FreepRegards
You keep missing the part where it says UNLESS THE SENATE RECEIVES A MESSAGE FROM THE HOUSE.
The house sent the message that it adopted the resolution.
You just are not understanding what you are reading. Go to the Congressional Research Service link I provided. It explains the process.