gistfile1.txt

(
    "<NSLayoutConstraint:0x178296440 V:|-(10)-[spotName]   (Names: spotName:0x13fd49790, '|':UIView:0x170187f90 )>",
    "<NSLayoutConstraint:0x178296490 V:[spotName]-(10)-[camImage]   (Names: camImage:0x13fe30e90, spotName:0x13fd49790 )>",
    "<NSLayoutConstraint:0x1782964e0 V:[camImage]-(NSSpace(8))-[lastUpdated]   (Names: lastUpdated:0x13fe0efe0, camImage:0x13fe30e90 )>",
    "<NSLayoutConstraint:0x178296530 V:[lastUpdated]-(NSSpace(8))-[waveSize]   (Names: waveSize:0x13fe19ce0, lastUpdated:0x13fe0efe0 )>",
    "<NSLayoutConstraint:0x178296580 V:[waveSize]-(NSSpace(8))-[waveDescription]   (Names: waveDescription:0x13fe19e40, waveSize:0x13fe19ce0 )>",
    "<NSLayoutConstraint:0x1782965d0 V:[waveDescription]-(NSSpace(8))-[condition]   (Names: condition:0x13fe28540, waveDescription:0x13fe19e40 )>",
    "<NSLayoutConstraint:0x178296620 V:[condition(30)]   (Names: condition:0x13fe28540 )>",
    "<NSLayoutConstraint:0x1782966c0 V:[condition]-(NSSpace(8))-[greeting]   (Names: greeting:0x13fe286a0, condition:0x13fe28540 )>",
    "<NSLayoutConstraint:0x178296710 V:[greeting]-(NSSpace(8))-[observation]   (Names: observation:0x13fe28800, greeting:0x13fe286a0 )>",
    "<NSLayoutConstraint:0x178296760 V:[observation]-(20)-[UIButton:0x13fe28960]   (Names: observation:0x13fe28800 )>",
    "<NSLayoutConstraint:0x1782967b0 V:[UIButton:0x13fe28960]-(20)-[UIView:0x178188200]>",
    "<NSLayoutConstraint:0x178296800 V:[UIView:0x178188200(10)]>",
    "<NSLayoutConstraint:0x178296670 V:[UIView:0x178188200]-(0)-|   (Names: '|':UIView:0x170187f90 )>",
    "<NSLayoutConstraint:0x178296850 camImage.height == UIView:0x170187f90.width + 180   (Names: camImage:0x13fe30e90 )>",
    "<NSLayoutConstraint:0x178299460 H:[UIView:0x170187f90(320)]>",
    "<NSLayoutConstraint:0x178299500 V:[UIView:0x170187f90(568)]>"
)

Will attempt to recover by breaking constraint 
<NSLayoutConstraint:0x1782967b0 V:[UIButton:0x13fe28960]-(20)-[UIView:0x178188200]>