Austin Seipp 5aa4495cb5 boolector: add version 1.5 and 1.6 ... There are two versions here because beginning with 1.6.0, Boolector has a more restrictive, unfree license which disallows commercial use. As a result, Boolector 1.5 is the default 'boolector' expression. Signed-off-by: Austin Seipp <aseipp@pobox.com>		2014-04-07 09:17:05 -05:00
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default.nix