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bd52075c · Jean-Christophe Filliâtre · de593c35 · bd52075c
Commit bd52075c authored Jan 31, 2017 by Jean-Christophe Filliâtre
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Showing with 5 additions and 4 deletions

plugins/python/examples/sort.py plugins/python/examples/sort.py +5 -4

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--- a/plugins/python/examples/sort.py
+++ b/plugins/python/examples/sort.py
+
 from random import randint

 n = 42
@@ -17,10 +18,10 @@ while m < len(a):
    k = m
    while k > 0 and a[k-1] > x:
        #@ invariant 0 <= k <= m
-        #@ invariant forall j. k < j <= m -> x < a[j]
-        #@ invariant forall i,j. k < i <= j <= m -> a[i] <= a[j]
-        #@ invariant forall i,j. 0 <= i <= j < k -> a[i] <= a[j]
-        #@ invariant forall i,j. 0 <= i < k < j <= m -> a[i] <= a[j]
+        #@ invariant forall i,j. 0 <= i <= j < k               -> a[i] <= a[j]
+        #@ invariant forall i,j. 0 <= i      < k <      j <= m -> a[i] <= a[j]
+        #@ invariant forall i,j.               k < i <= j <= m -> a[i] <= a[j]
+        #@ invariant forall j.                 k <      j <= m -> x    <  a[j]
        #@ variant k
        a[k] = a[k-1]
        k = k - 1