Removed usage of old name, added in a Euler power of like primes example. When the pairwise ASSERT_NEs are absent, you get interesting results that show examples of integer overflows.

2017-12-10 14:39:05 -05:00
parent fcd000dc14
commit 8248bbdcbc
8 changed files with 221 additions and 50 deletions
@@ -407,6 +407,13 @@ class DeepState(object):
  def api_assume(self, arg, expr_ea, file_ea, line):
    """Implements the `DeepState_Assume` API function, which injects a
    constraint into the solver."""
+    if not self.is_symbolic(arg):
+      concrete_arg = self.concretize(arg)
+      if concrete_arg == 0:
+        self.abandon_test()
+      else:
+        return
+    
    constraint = arg != 0
    if not self.add_constraint(constraint):
      expr, _ = self.read_c_string(expr_ea, concretize=False)