fixes

packages/ProbLog/problog_examples/kbgraph.yap

@@ -2,7 +2,6 @@
 :- ensure_loaded(library(lists)).
 :- ensure_loaded(library(rbtrees)).
 :- ensure_loaded(library(tries)).
-:- ensure_loaded(('../problog/ptree')).
 :- ensure_loaded(library(trie_sp)).
 :- ensure_loaded(library(bdd)).
 :- ensure_loaded(library(bhash)).
@@ -29,6 +28,8 @@ graph2bdd(Query,1,bdd(D,T,Vs)) :-
 
 :- set_problog_flag(init_method,(Q,N,Bdd,user:graph2bdd(Q,N,Bdd))).
 
+:-     nb_heap(100000,Q), nb_setval(heap,Q).
+
 
 %:- leash(0), spy graph2bdd.
 
@@ -58,7 +59,8 @@ graph(X,Y,Trie_Completed_Proofs,Vs) :-
     !,
     export_answer([Y|Final], Trie_Completed_Proofs,Vs).
 graph(X,Y,Trie_Completed_Proofs, Vs) :-
-    nb_heap(100000,Q),
+    nb_getval(heap, Q),
+    nb_heap_reset(Q),
     path(X,Y,X,[X],Final, 0, _Pr, Q),
     !,
     export_answer(Final, Trie_Completed_Proofs, Vs).

packages/ProbLog/problog_examples/learn_graph_lbdd.pl

@@ -17,7 +17,7 @@
 :- use_module('../problog_lbfgs').
 
 
- :- if(false).
+ :- if(true).
 
  :- use_module('kbgraph').