Limiting runtime limit checks in 'pdr'.

src/sat/bsat/satSolver.c

@@ -1576,7 +1576,7 @@ static lbool sat_solver_search(sat_solver* s, ABC_INT64_T nof_conflicts)
             int next;
  
             // Reached bound on number of conflicts:
-            if ((nof_conflicts >= 0 && conflictC >= nof_conflicts) || (s->nRuntimeLimit && Abc_Clock() > s->nRuntimeLimit)){
+            if ((nof_conflicts >= 0 && conflictC >= nof_conflicts) || (s->nRuntimeLimit && (s->stats.conflicts & 63) == 0 && Abc_Clock() > s->nRuntimeLimit)){
                 s->progress_estimate = sat_solver_progress(s);
                 sat_solver_canceluntil(s,s->root_level);
                 veci_delete(&learnt_clause);

src/sat/bsat/satSolver2.c

@@ -1037,7 +1037,7 @@ static lbool solver2_search(sat_solver2* s, ABC_INT64_T nof_conflicts)
             // NO CONFLICT
             int next;
 
-            if ((nof_conflicts >= 0 && conflictC >= nof_conflicts) || (s->nRuntimeLimit && Abc_Clock() > s->nRuntimeLimit)){
+            if ((nof_conflicts >= 0 && conflictC >= nof_conflicts) || (s->nRuntimeLimit && (s->stats.conflicts & 63) == 0 && Abc_Clock() > s->nRuntimeLimit)){
                 // Reached bound on number of conflicts:
                 s->progress_estimate = solver2_progress(s);
                 solver2_canceluntil(s,s->root_level);