smtbmc: Support skipping steps in cover mode

georgerennie · Jul 3, 2024 · 40b387a · 40b387a
1 parent a739e21
commit 40b387a
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/backends/smt2/smtbmc.py b/backends/smt2/smtbmc.py
@@ -1866,6 +1866,11 @@ def report_tracked_assumptions(msg):
             smt_assert_antecedent("(|%s_t| s%d s%d)" % (topmod, step-1, step))
             smt_assert_antecedent("(not (|%s_is| s%d))" % (topmod, step))
 
+        if step < skip_steps:
+            print_msg("Skipping step %d.." % (step))
+            step += 1
+            continue
+
         while "1" in cover_mask:
             print_msg("Checking cover reachability in step %d.." % (step))
             smt_push()