At:
vc trace correctness
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1.
A: ioa{i:l}()
2.
I: Fmla
3.
rho: Decl
4.
de: sig()
5.
e: {[[de]] rho}
6.
te: Label
Label
7.
tc_ioa(A;de)
8.
ioa_mentions_trace(A)
9.
trace_consistent_pred(rho;A.da;te;I)
10.
guarded_trace(A.da;te;I)
11.
tc_pred(I;A.ds; < > ;de)
12.
covers_pred(A;I)
13.
closed_pred(I)
14.
single_valued_decls(A.ds)
15.
s:[[A]] rho de e.state, tr:(
[[A.da]] rho) List.
([[A]] rho de e -tr- > s) 
[[VCs(A;I)]] rho A.ds A.da de e s mk_trace_env(tr, te)
16.
x: [[A]] rho de e.state
17.
[[A]] rho de e.init(x)
trace_reachable([[A]] rho de e;x;nil;x)
By:
RecUnfold `trace_reachable` 0
THEN
Reduce 0
Generated subgoals:
None
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