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-rw-r--r--backends/smt2/smtbmc.py11
1 files changed, 6 insertions, 5 deletions
diff --git a/backends/smt2/smtbmc.py b/backends/smt2/smtbmc.py
index d3015b066..03f001bfd 100644
--- a/backends/smt2/smtbmc.py
+++ b/backends/smt2/smtbmc.py
@@ -1511,7 +1511,7 @@ else: # not tempind, covermode
smt_assert_consequent(get_constr_expr(constr_assumes, i))
print_msg("Re-solving with appended steps..")
if smt_check_sat() == "unsat":
- print("%s Cannot appended steps without violating assumptions!" % smt.timestamp())
+ print("%s Cannot append steps without violating assumptions!" % smt.timestamp())
retstatus = "FAILED"
break
print_anyconsts(step)
@@ -1548,7 +1548,7 @@ else: # not tempind, covermode
break
smt_pop()
- if not retstatus:
+ if retstatus == "FAILED" or retstatus == "PREUNSAT":
break
else: # gentrace
@@ -1557,8 +1557,9 @@ else: # not tempind, covermode
smt_assert(get_constr_expr(constr_asserts, i))
print_msg("Solving for step %d.." % (last_check_step))
- if smt_check_sat() != "sat":
- print("%s No solution found!" % smt.timestamp())
+ status = smt_check_sat()
+ if status != "sat":
+ print("%s No solution found! (%s)" % (smt.timestamp(), status))
retstatus = "FAILED"
break
@@ -1568,7 +1569,7 @@ else: # not tempind, covermode
step += step_size
- if gentrace and retstatus:
+ if gentrace and retstatus == "PASSED":
print_anyconsts(0)
write_trace(0, num_steps, '%')