EBMC: retain assumptions when using --property

When using the --property command-line option, do not disable the
assumptions.

CHANGELOG

@@ -6,6 +6,7 @@
 * Verilog: allow indexed part select
 * word-level BMC: fix for F/s_eventually and U/s_until
 * IC3: liveness to safety translation
+* Assumptions are not disabled when using --property
 
 # EBMC 5.2
 

src/ebmc/ebmc_properties.cpp

@@ -110,8 +110,10 @@ bool ebmc_propertiest::select_property(
   {
     std::string property = cmdline.get_value("property");
 
+    // disable all assertions (not: assumptions)
     for(auto &p : properties)
-      p.status = propertyt::statust::DISABLED;
+      if(!p.is_assumed())
+        p.status = propertyt::statust::DISABLED;
 
     bool found = false;