cmd-line: fix --solver which was picking random integers for a model
cmd-line: fix --solver which was picking random integers for a model

FredMaris/touist,touist/touist,olzd/touist,olzd/touist,touist/touist,touist/touist,FredMaris/touist,touist/touist,FredMaris/touist,olzd/touist