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Pulse tests: do not define KRML_HOME for CI; add divergent or decreases clauses #750

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Merged
tahina-pro merged 3 commits into from
Jul 23, 2026
Merged

Pulse tests: do not define KRML_HOME for CI; add divergent or decreases clauses #750

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481094b
CI (Pulse tests) : use KRML_EXE instead of KRML_HOME (from FStarLang/…
tahina-pro Jul 16, 2026
bf37746
test/pulse: adapt to Pulse stt/stt_div split (FStarLang/FStar#4358)
tahina-pro Jul 16, 2026
2117b17
KRML_EXE need not be set for build-and-test-pulse
tahina-pro Jul 16, 2026
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2 changes: 0 additions & 2 deletions .github/workflows/ci.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -294,8 +294,6 @@ jobs:
with:
node-version: 16

- run: echo "KRML_HOME=$(pwd)/karamel" >> $GITHUB_ENV

- name: Karamel CI (test-pulse)
working-directory: karamel
run: |
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4 changes: 3 additions & 1 deletion test/pulse/Break.fst
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Expand Up @@ -9,12 +9,13 @@ fn simple_break ()
while (!k)
invariant live k
ensures true
decreases (if !k then 1 else 0)
{
break;
}
}

fn break_continue_and_return (which: UInt8.t)
divergent fn break_continue_and_return (which: UInt8.t)
{
let mut i = 0ul;
while (!i `UInt32.lt` 1000ul)
Expand Down Expand Up @@ -48,6 +49,7 @@ fn find_zero_with_break (a: array Int32.t) (sz: SizeT.t)
invariant pure (SizeT.v !i <= SizeT.v sz /\
(forall (j: nat). j < SizeT.v (!i) ==> Seq.index 'va j <> 0l))
ensures (SizeT.v !i < SizeT.v sz /\ a.(!i) = 0l)
decreases (SizeT.v sz - SizeT.v (!i))
{
if (a.(!i) = 0l) {
break;
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1 change: 1 addition & 0 deletions test/pulse/Goto.fst
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Expand Up @@ -29,6 +29,7 @@ fn find_zero (a: array Int32.t) (sz: SizeT.t)
invariant live i
invariant pure (SizeT.v !i <= SizeT.v sz /\
(forall (j: nat). j < SizeT.v (!i) ==> Seq.index 'va j <> 0l))
decreases (SizeT.v sz - SizeT.v (!i))
{
if (a.(!i) = 0l) {
return !i;
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2 changes: 2 additions & 0 deletions test/pulse/Inline.fst
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Expand Up @@ -60,6 +60,8 @@ fn tst (shared : UInt32.t)
let mut i = 0ul;
while (!i <^ uu__k)
invariant live i
invariant pure (v (!i) <= v uu__k)
decreases (Prims.op_Subtraction (v uu__k) (v (!i)))
{
i := !i +^ 1ul;
};
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4 changes: 2 additions & 2 deletions test/pulse/InlineLoopCond.fst
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Expand Up @@ -3,7 +3,7 @@ module InlineLoopCond
#lang-pulse
open Pulse

fn test (f : unit -> fn returns UInt32.t)
divergent fn test (f : unit -> fn returns UInt32.t)
returns UInt32.t
{
let uu__ = f ();
Expand All @@ -15,7 +15,7 @@ fn test (f : unit -> fn returns UInt32.t)
0ul
}

fn test_ok (x : UInt32.t)
divergent fn test_ok (x : UInt32.t)
returns UInt32.t
{
(* This one could be inlined (it's not at the moment) *)
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