X-Git-Url: https://git.martlubbers.net/?a=blobdiff_plain;f=modelchecker%2Fmain.c;h=85c630309be020c6d17f8e0a91b37cbec8115755;hb=956facb67e30cb9964211d00110f287f0a8d43c0;hp=38597f66d6018f589dec42873131dc1dd5ee5192;hpb=ade8a4923d9f24713f5a84691b3ecbda6c5e7fad;p=mc1516pa.git

diff --git a/modelchecker/main.c b/modelchecker/main.c
index 38597f6..85c6303 100644
--- a/modelchecker/main.c
+++ b/modelchecker/main.c
@@ -60,6 +60,7 @@ void solve(FILE *inputstream)
     sylvan_init_bdd(6);
 
 	state *init = encode_screen(screen);
+    state *goal = encode_goal(screen);
 	rels *rls = encode_rel(screen);
     /*
     printf("Doing left\n");
@@ -75,50 +76,57 @@ void solve(FILE *inputstream)
 	BDD old = sylvan_false;
 	BDD new = init->bdd;
 	int iteration = 0;
-	while(new != old){
-		old = new;
-		ERRPRINT("Iteration %d\n", iteration++);
-        trans_t *t = rls->rell;
-
-        //for testing
-        /*
-        BDDSET testvars = sylvan_set_fromarray(((BDDVAR[]){0,2,4,6,8,10,12,14,16}), 9);
-        BDD teststate = sylvan_cube(testvars, (uint8_t[]){1,0,1,0,0,1,0,1,0});
-        BDD teststate1 = sylvan_or(teststate, sylvan_cube(testvars, (uint8_t[]){0,0,1,1,0,1,0,1,0}));
-        BDD teststate2 = sylvan_or(teststate1, sylvan_cube(testvars, (uint8_t[]){0,1,0,0,0,1,1,0,1}));
-        if (new == teststate2) printf("Wrong!\n");
-        */
-        while (t != NULL){
-            new = sylvan_or(new, sylvan_relnext(new, t->bdd, t->varset.varset));
-            t = t->next_rel;
-            //ERRPRINT("Satcount: %f\n", sylvan_satcount(new, init->vars.varset));
+    if (goal != NULL){
+        while(new != old){
+            old = new;
+            ERRPRINT("Iteration %d\n", iteration++);
+            trans_t *t = rls->rell;
+
+            //for testing
+            /*
+              BDDSET testvars = sylvan_set_fromarray(((BDDVAR[]){0,2,4,6,8,10,12,14,16}), 9);
+              BDD teststate = sylvan_cube(testvars, (uint8_t[]){1,0,1,0,0,1,0,1,0});
+              BDD teststate1 = sylvan_or(teststate, sylvan_cube(testvars, (uint8_t[]){0,0,1,1,0,1,0,1,0}));
+              BDD teststate2 = sylvan_or(teststate1, sylvan_cube(testvars, (uint8_t[]){0,1,0,0,0,1,1,0,1}));
+              if (new == teststate2) printf("Wrong!\n");
+            */
+            while (t != NULL){
+                new = sylvan_or(new, sylvan_relnext(new, t->bdd, t->varset.varset));
+                t = t->next_rel;
+                //ERRPRINT("Satcount: %f\n", sylvan_satcount(new, init->vars.varset));
+            }
+
+            t = rls->relu;
+            while (t != NULL){
+                new = sylvan_or(new, sylvan_relnext(new, t->bdd, t->varset.varset));
+                t = t->next_rel;
+                //ERRPRINT("Satcount: %f\n", sylvan_satcount(new, init->vars.varset));
+            }
+
+
+            t = rls->relr;
+            while (t != NULL){
+                new = sylvan_or(new, sylvan_relnext(new, t->bdd, t->varset.varset));
+                t = t->next_rel;
+                //ERRPRINT("Satcount: %f\n", sylvan_satcount(new, init->vars.varset));
+            }
+
+
+            t = rls->reld;
+            while (t != NULL){
+                new = sylvan_or(new, sylvan_relnext(new, t->bdd, t->varset.varset));
+                t = t->next_rel;
+                //ERRPRINT("Satcount: %f\n", sylvan_satcount(new, init->vars.varset));
+            }
+            double check = sylvan_satcount(sylvan_and(goal->bdd, new), init->vars.varset);
+            if (check > 0){
+                printf("Solution is found after %d iteration(s)!\n", iteration);
+                break;
+            }
         }
-
-        t = rls->relu;
-        while (t != NULL){
-            new = sylvan_or(new, sylvan_relnext(new, t->bdd, t->varset.varset));
-            t = t->next_rel;
-            //ERRPRINT("Satcount: %f\n", sylvan_satcount(new, init->vars.varset));
-        }
-
-
-        t = rls->relr;
-        while (t != NULL){
-            new = sylvan_or(new, sylvan_relnext(new, t->bdd, t->varset.varset));
-            t = t->next_rel;
-            //ERRPRINT("Satcount: %f\n", sylvan_satcount(new, init->vars.varset));
-        }
-
-
-        t = rls->reld;
-        while (t != NULL){
-            new = sylvan_or(new, sylvan_relnext(new, t->bdd, t->varset.varset));
-            t = t->next_rel;
-            //ERRPRINT("Satcount: %f\n", sylvan_satcount(new, init->vars.varset));
-        }
-
-	}
-	ERRPRINT("Satcount: %f\n", sylvan_satcount(old, init->vars.varset));
+    }
+    else printf("No solution found!\n");
+	//ERRPRINT("Satcount: %f\n", sylvan_satcount(old, init->vars.varset));
 //	sylvan_enum(old, init->vars.varset, (enum_cb)callback, NULL);
 //	sylvan_printdot_nc(old);
 	time_end_encode = clock();