From 743e8cb9d5366b879f53d7d0ba8adeb2f83ef72f Mon Sep 17 00:00:00 2001
From: Son Ho
Date: Thu, 14 Sep 2023 08:17:15 +0200
Subject: Fix the hashmap proofs in Lean

---
 tests/lean/Hashmap/Properties.lean | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

(limited to 'tests/lean/Hashmap/Properties.lean')

diff --git a/tests/lean/Hashmap/Properties.lean b/tests/lean/Hashmap/Properties.lean
index ab95b854..fe00ab14 100644
--- a/tests/lean/Hashmap/Properties.lean
+++ b/tests/lean/Hashmap/Properties.lean
@@ -332,12 +332,7 @@ theorem insert_no_resize_spec {α : Type} (hm : HashMap α) (key : Usize) (value
         simp_all
         simp [inv] at hinv
         int_tac
-      -- TODO: progress fails in command line mode with "index out of bounds"
-      -- and I have no idea how to fix this. The error happens after progress
-      -- introduced the new goals. It must be when we exit the "withApp", etc.
-      -- helpers.
-      -- progress as ⟨ z, hp ⟩
-      have ⟨ z, hp ⟩ := Usize.add_spec hbounds
+      progress as ⟨ z, hp ⟩
       simp [hp]
     else
       simp [*, Pure.pure]
@@ -408,7 +403,7 @@ theorem insert_no_resize_spec {α : Type} (hm : HashMap α) (key : Usize) (value
     -- TODO: canonize addition by default? We need a tactic to simplify arithmetic equalities
     -- with addition and substractions ((ℤ, +) is a group or something - there should exist a tactic
     -- somewhere in mathlib?)
-    simp [Int.add_assoc, Int.add_comm, Int.add_left_comm] <;>
+    (try simp [Int.add_assoc, Int.add_comm, Int.add_left_comm]) <;>
     int_tac
   have hinv : inv nhm := by
     simp [inv] at *
-- 
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