From: Brian Demsky <bdemsky@uci.edu>
Date: Tue, 9 Oct 2012 00:19:32 +0000 (-0700)
Subject: be much more careful about sending values backwards...
X-Git-Tag: pldi2013~78
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=model-checker.git;a=commitdiff_plain;h=d27984bb297795f4e9a4531e2730d8188a799e89;hp=d27984bb297795f4e9a4531e2730d8188a799e89

be much more careful about sending values backwards...

also implement hashing for traces...just an easy way to confirm whether we lose new traces...
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