X-Git-Url: https://git.martlubbers.net/?a=blobdiff_plain;f=modelchecker%2Fcoord.c;h=85b1867ea6c93533bb37d76710dbbca4a3b9743b;hb=509bd1dfaca9df4125e648a96e0c47ef2cf054ae;hp=af3cebe40bce9c03dd0b1e1de0603d3a3761cfe6;hpb=5b3e2d9fac13d73c002c412ca39ae3aa4de1950a;p=mc1516pa.git

diff --git a/modelchecker/coord.c b/modelchecker/coord.c
index af3cebe..85b1867 100644
--- a/modelchecker/coord.c
+++ b/modelchecker/coord.c
@@ -50,30 +50,6 @@ typedef struct {
 	bddvar_xy_map *t;
 } bimap;
 
-typedef struct {
-	BDD *rell;
-	BDD *relu;
-	BDD *relr;
-	BDD *reld;
-} rels;
-
-typedef struct {
-	uint8_t *vars;
-	int size;
-} variables;
-
-typedef struct
-{
-    BDD bdd;
-    BDD variables;
-} *state;
-
-typedef struct
-{
-    BDD bdd;
-    BDD variables;
-} *trans;
-
 xy_bddvar_map *getxy(int x, int y, xy_bddvar_map *map)
 {
 	xy_bddvar_map k, *r = NULL;
@@ -174,6 +150,24 @@ bimap *create_bimap_helper(sokoban_screen *screen)
 	return bm;
 }
 
+int check_xy_exists(int x, int y, bimap *bm)
+{
+	int res = 0;
+	if (getxy(x, y, bm->f) != NULL) res = 1;
+	return res;
+}
+
+int check_space(int x, int y, direction d, int delta, bimap *bm)
+{
+	switch(d){
+	case LEFT: x = x - delta; break;
+	case UP: y = y - delta; break;
+	case RIGHT: x = x + delta; break;
+	case DOWN: y = y + delta; break;
+	}
+	return check_xy_exists(x, y, bm);
+}
+
 /*
  * Each coordinate has three related boolean variables. The combination of those boolean variables
  * defines tiles:
@@ -190,19 +184,23 @@ bimap *create_bimap_helper(sokoban_screen *screen)
  * directly in transition relations.
  */
 
-BDD encode_screen(sokoban_screen *screen)
+state *encode_screen(sokoban_screen *screen)
 {
 	LACE_ME;
 
 	BDDVAR vars[HASH_COUNT(screen) * 3];
 	for (uint8_t i = 0; i < HASH_COUNT(screen) * 3; i++){
-		vars[i] = i;
+		vars[i] = i * 2;
 	}
 
 	uint8_t st_enc[HASH_COUNT(screen) * 3];
 
 	BDDSET varset = sylvan_set_fromarray(vars, HASH_COUNT(screen) * 3);
-	BDD state;
+	BDD s;
+	state *fullState = NULL;
+	fullState = (state *)malloc(sizeof(state));
+	fullState->vars.varset = varset;
+	fullState->vars.size = HASH_COUNT(screen) * 3;
 	int tile_index = 0;
 	sokoban_screen *r;
 	for(r=screen; r != NULL; r = (sokoban_screen *)(r->hh.next)){
@@ -265,44 +263,540 @@ BDD encode_screen(sokoban_screen *screen)
 			break;
 		}
 	}
-	/* some testing...
-	xy_bddvar_map *map = NULL;
-	map = create_xy_bddvar_map(screen);
-	xy_bddvar_map *m = getxy(1, 1, map);
-	bddvar_xy_map *map2 = NULL;
-	map2 = create_bddvar_xy_map(screen);
-	bddvar_xy_map *m2 = getbdd(2, map2);
-	printf("Test1: %d %d\n", m->value.var[0], m->value.var[1]);
-	printf("Test2: %d %d\n", m2->value.x, m2->value.y);
-	*/
-	/* some more testing...
-	bimap *bm = NULL;
-	bm = create_bimap_helper(screen);
-	xy_bddvar_map *m = getxy(1, 1, bm->f);
-	bddvar_xy_map *m2 = getbdd(2, bm->t);
-	printf("Test1: %d %d\n", m->value.var[0], m->value.var[1]);
-	printf("Test2: %d %d\n", m2->value.x, m2->value.y);
-	printf("%d tiles were encoded\n", tile_index);
-	if (bm != NULL) printf ("WORKS!\n");
-	*/
-	state = sylvan_cube(varset, st_enc);
+	s = sylvan_cube(varset, st_enc);
+	fullState->bdd = s;
 	printf("Initial state encoded\n");
-	return state;
+	return fullState;
 }
 
-BDD encode_rel(sokoban_screen *screen)
+int
+test_relprod()
 {
-	int num_tiles;
-	num_tiles = HASH_COUNT(screen);
-	printf("Number of tiles: %d\n", num_tiles);
+    LACE_ME;
+
+    BDDVAR vars[] = {0,2,4};
+    BDDVAR all_vars[] = {4,5};
+
+    BDDSET vars_set = sylvan_set_fromarray(vars, 3);
+    BDDSET all_vars_set = sylvan_set_fromarray(all_vars, 2);
+
+    BDD s, t, next, prev;
+    BDD zeroes, ones;
+
+    // transition relation: 000 --> 111 and !000 --> 000
+    t = sylvan_false;
+    //t = sylvan_union_cube(t, all_vars_set, ((uint8_t[]){0,1,0,1,0,1}));
+    //t = sylvan_union_cube(t, all_vars_set, ((uint8_t[]){1,0,2,0,2,0}));
+    //t = sylvan_union_cube(t, all_vars_set, ((uint8_t[]){2,0,1,0,2,0}));
+    t = sylvan_union_cube(t, all_vars_set, ((uint8_t[]){1,0}));
+
+    s = sylvan_cube(vars_set, (uint8_t[]){0,0,1});
+    zeroes = sylvan_cube(vars_set, (uint8_t[]){0,0,0});
+    ones = sylvan_cube(vars_set, (uint8_t[]){0,0,1});
+
+    next = sylvan_relnext(s, t, all_vars_set);
+    prev = sylvan_relprev(t, next, all_vars_set);
+    if (next == zeroes) printf("Pass 1\n");
+    if (prev == ones || prev == zeroes) printf("Pass 2\n");
+
+    return 0;
+}
+
+BDD create_single_rel(sokoban_screen *screen, direction dir)
+{
+	LACE_ME;
+	BDD t = sylvan_false;
+	bimap *bm = create_bimap_helper(screen);
+	int x = 0;
+	int y = 0;
+	bddvar_xy_map *bddxy = NULL;
+	int xdelta = 0;
+	int ydelta = 0;
+	int xgamma = 0;
+	int ygamma = 0;
+	switch(dir){
+	case LEFT:
+		xdelta = -1;
+		ydelta = 0;
+		xgamma = -2;
+		ygamma = 0;
+		break;
+	case UP:
+		xdelta = 0;
+		ydelta = -1;
+		xgamma = 0;
+		ygamma = -2;
+		break;
+	case RIGHT:
+		xdelta = 1;
+		ydelta = 0;
+		xgamma = 2;
+		ygamma = 0;
+		break;
+	case DOWN:
+		xdelta = 0;
+		ydelta = 1;
+		xgamma = 0;
+		ygamma = 2;
+		break;
+	}
+
+	for (unsigned int i = 0; i < HASH_COUNT(screen); i++){
+		bddxy = getbdd(i*3, bm->t);
+		x = bddxy->value.x;
+		y = bddxy->value.y;
+		if (check_space(x, y, dir, 1, bm) == 0){
+			sokoban_screen *tmp_scr = get_coord(x, y, screen);
+			if (tmp_scr->tile == AGENT){
+				//1 1 0 0 1 1 (1 0 1 -> 1 0 1)
+				BDDVAR relvars[6]  = {i * 3, i * 3 + 1, i * 3 + 2, i * 3 + 3, i * 3 + 4, i * 3 + 5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 6);
+				uint8_t rel_enc[6] = {1, 1, 0, 0, 1, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == TARGAGENT){
+				//1 1 1 1 0 0 (1 1 0 -> 1 1 0)
+				BDDVAR relvars[6]  = {i * 3, i * 3 + 1, i * 3 + 2, i * 3 + 3, i * 3 + 4, i * 3 + 5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 6);
+				uint8_t rel_enc[6] = {1, 1, 1, 1, 0, 0};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+		}
+		else if (check_space(x, y, dir, 1, bm) == 1 && check_space(x, y, dir, 2, bm) == 0){
+			sokoban_screen *tmp_scr = get_coord(x, y, screen);
+			sokoban_screen *tmp_scr_d = get_coord(x + xdelta, y + ydelta, screen);
+			xy_bddvar_map *bddvar = getxy(x + xdelta, y + ydelta, bm->f);
+			int deltai = bddvar->value.var[0];
+			if (tmp_scr->tile == AGENT && tmp_scr_d->tile == FREE){
+				//(0 1 0 0 1 1 1 0 0 0 1 1)
+				BDDVAR relvars[12]  = {deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 12);
+				uint8_t rel_enc[12] = {0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == AGENT && tmp_scr_d->tile == TARGET){
+				//(0 1 1 0 1 1 1 0 0 1 1 1)
+				BDDVAR relvars[12]  = {deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 12);
+				uint8_t rel_enc[12] = {0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == TARGAGENT && tmp_scr_d->tile == FREE){
+				//(0 1 0 1 1 0 1 0 1 0 0 1)
+				BDDVAR relvars[12]  = {deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 12);
+				uint8_t rel_enc[12] = {0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == TARGAGENT && tmp_scr_d->tile == TARGET){
+				//(0 1 1 1 1 0 1 0 1 1 0 1)
+				BDDVAR relvars[12]  = {deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 12);
+				uint8_t rel_enc[12] = {0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == AGENT && tmp_scr_d->tile == BOX){
+				//(0 0 1 1 0 0 1 1 0 0 1 1)
+				BDDVAR relvars[12]  = {deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 12);
+				uint8_t rel_enc[12] = {0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == AGENT && tmp_scr_d->tile == TARGBOX){
+				//(1 1 0 0 0 0 1 1 0 0 1 1)
+				BDDVAR relvars[12]  = {deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 12);
+				uint8_t rel_enc[12] = {1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == TARGAGENT && tmp_scr_d->tile == BOX){
+				//(0 0 1 1 0 0 1 1 1 1 0 0)
+				BDDVAR relvars[12]  = {deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 12);
+				uint8_t rel_enc[12] = {0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == TARGAGENT && tmp_scr_d->tile == TARGBOX){
+				//(1 1 0 0 0 0 1 1 1 1 0 0)
+				BDDVAR relvars[12]  = {deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 12);
+				uint8_t rel_enc[12] = {1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+		}
+		else if (check_space(x, y, dir, 1, bm) == 1 && check_space(x, y, dir, 2, bm) == 1){
+			sokoban_screen *tmp_scr = get_coord(x, y, screen);
+			sokoban_screen *tmp_scr_d = get_coord(x + xdelta, y + ydelta, screen);
+			sokoban_screen *tmp_scr_g = get_coord(x + xgamma, y + ygamma, screen);
+			xy_bddvar_map *bddvar = getxy(x + xdelta, y + ydelta, bm->f);
+			int deltai = bddvar->value.var[0];
+			bddvar = getxy(x + xgamma, y + ygamma, bm->f);
+			int gammai = bddvar->value.var[0];
+			if (tmp_scr->tile == AGENT && tmp_scr_d->tile == FREE){
+				//(0 1 0 0 1 1 1 0 0 0 1 1)
+				BDDVAR relvars[12]  = {deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 12);
+				uint8_t rel_enc[12] = {0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == AGENT && tmp_scr_d->tile == TARGET){
+				//(0 1 1 0 1 1 1 0 0 1 1 1)
+				BDDVAR relvars[12]  = {deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 12);
+				uint8_t rel_enc[12] = {0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == TARGAGENT && tmp_scr_d->tile == FREE){
+				//(0 1 0 1 1 0 1 0 1 0 0 1)
+				BDDVAR relvars[12]  = {deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 12);
+				uint8_t rel_enc[12] = {0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == TARGAGENT && tmp_scr_d->tile == TARGET){
+				//(0 1 1 1 1 0 1 0 1 1 0 1)
+				BDDVAR relvars[12]  = {deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 12);
+				uint8_t rel_enc[12] = {0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == AGENT && tmp_scr_d-> tile == BOX && tmp_scr_g->tile == BOX){
+				//(0 0 1 1 0 0 0 0 1 1 0 0 1 1 0 0 1 1)
+				BDDVAR relvars[18]  = {gammai*3, gammai*3+1, gammai*3+2, gammai*3+3, gammai*3+4, gammai*3+5, deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 18);
+				uint8_t rel_enc[18] = {0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == AGENT && tmp_scr_d-> tile == BOX && tmp_scr_g->tile == TARGBOX){
+				//(1 1 0 0 0 0 0 0 1 1 0 0 1 1 0 0 1 1)
+				BDDVAR relvars[18]  = {gammai*3, gammai*3+1, gammai*3+2, gammai*3+3, gammai*3+4, gammai*3+5, deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 18);
+				uint8_t rel_enc[18] = {1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == TARGAGENT && tmp_scr_d-> tile == BOX && tmp_scr_g->tile == BOX){
+				//(0 0 1 1 0 0 0 0 1 1 0 0 1 1 1 1 0 0)
+				BDDVAR relvars[18]  = {gammai*3, gammai*3+1, gammai*3+2, gammai*3+3, gammai*3+4, gammai*3+5, deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 18);
+				uint8_t rel_enc[18] = {0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == TARGAGENT && tmp_scr_d-> tile == BOX && tmp_scr_g->tile == TARGBOX){
+				//(1 1 0 0 0 0 0 0 1 1 0 0 1 1 1 1 0 0)
+				BDDVAR relvars[18]  = {gammai*3, gammai*3+1, gammai*3+2, gammai*3+3, gammai*3+4, gammai*3+5, deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 18);
+				uint8_t rel_enc[18] = {1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == AGENT && tmp_scr_d->tile == BOX && tmp_scr_g->tile == FREE){
+				//free box agent -> box agent free
+				//(0 0 0 1 1 0 0 1 1 0 0 1 1 0 0 0 1 1)
+				BDDVAR relvars[18]  = {gammai*3, gammai*3+1, gammai*3+2, gammai*3+3, gammai*3+4, gammai*3+5, deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 18);
+				uint8_t rel_enc[18] = {0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == AGENT && tmp_scr_d->tile == TARGBOX && tmp_scr_g->tile == FREE){
+				//(free targbox agent -> box targagent free)
+				//(0 0 0 1 1 0 1 1 0 1 0 0 1 0 0 0 1 1)
+				BDDVAR relvars[18]  = {gammai*3, gammai*3+1, gammai*3+2, gammai*3+3, gammai*3+4, gammai*3+5, deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 18);
+				uint8_t rel_enc[18] = {0, 0, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == AGENT && tmp_scr_d->tile == BOX && tmp_scr_g->tile == TARGET){
+				//(target box agent -> targbox agent free)
+				//(0 1 1 0 1 0 0 1 1 0 0 1 1 0 0 0 1 1)
+				BDDVAR relvars[18]  = {gammai*3, gammai*3+1, gammai*3+2, gammai*3+3, gammai*3+4, gammai*3+5, deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 18);
+				uint8_t rel_enc[18] = {0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == AGENT && tmp_scr_d->tile == TARGBOX && tmp_scr_g->tile == TARGET){
+				//(target targbox agent -> targbox targagent free)
+				//(0 1 1 0 1 0 1 1 0 1 0 0 1 0 0 0 1 1)
+				BDDVAR relvars[18]  = {gammai*3, gammai*3+1, gammai*3+2, gammai*3+3, gammai*3+4, gammai*3+5, deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 18);
+				uint8_t rel_enc[18] = {0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == TARGAGENT && tmp_scr_d->tile == BOX && tmp_scr_g->tile == FREE){
+				//(free box targagent -> box agent target)
+				//(0 0 0 1 1 0 0 1 1 0 0 1 1 0 1 1 0 1)
+				BDDVAR relvars[18]  = {gammai*3, gammai*3+1, gammai*3+2, gammai*3+3, gammai*3+4, gammai*3+5, deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 18);
+				uint8_t rel_enc[18] = {0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == TARGAGENT && tmp_scr_d->tile == TARGBOX && tmp_scr_g->tile == FREE){
+				//(free targbox targagent -> box targagent target)
+				//(0 0 0 1 1 0 1 1 0 1 0 0 1 0 1 1 0 1)
+				BDDVAR relvars[18]  = {gammai*3, gammai*3+1, gammai*3+2, gammai*3+3, gammai*3+4, gammai*3+5, deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 18);
+				uint8_t rel_enc[18] = {0, 0, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == TARGAGENT && tmp_scr_d->tile == BOX && tmp_scr_g->tile == TARGET){
+				//(target box targagent -> targbox agent target)
+				//(0 1 1 0 1 0 0 1 1 0 0 1 1 0 1 1 0 1)
+				BDDVAR relvars[18]  = {gammai*3, gammai*3+1, gammai*3+2, gammai*3+3, gammai*3+4, gammai*3+5, deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 18);
+				uint8_t rel_enc[18] = {0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == TARGAGENT && tmp_scr_d->tile == TARGBOX && tmp_scr_g->tile == TARGET){
+				//(target targbox targagent -> targbox targagent target)
+				//(0 1 1 0 1 0 1 1 0 1 0 0 1 0 1 1 0 1)
+				BDDVAR relvars[18]  = {gammai*3, gammai*3+1, gammai*3+2, gammai*3+3, gammai*3+4, gammai*3+5, deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 18);
+				uint8_t rel_enc[18] = {0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+		}
+	}
+	return t;
+}
+
+rels *encode_rel(sokoban_screen *screen)
+{
+	LACE_ME;
+
+	BDD tl = sylvan_false;
 
 	//left relation
+	tl = create_single_rel(screen, LEFT);
+	/*
+	for (unsigned int i = 0; i < HASH_COUNT(screen); i++){
+		printf("i:%d\n", i);
+		bddxy = getbdd(i*3, bm->t);
+		x = bddxy->value.x;
+		y = bddxy->value.y;
+		if (check_space(x, y, LEFT, 1, bm) == 0){
+			sokoban_screen *tmp_scr = get_coord(x, y, screen);
+			if (tmp_scr->tile == AGENT){
+				//1 1 0 0 1 1 (1 0 1 -> 1 0 1)
+				BDDVAR relvars[6]  = {i * 3, i * 3 + 1, i * 3 + 2, i * 3 + 3, i * 3 + 4, i * 3 + 5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 6);
+				uint8_t rel_enc[6] = {1, 1, 0, 0, 1, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == TARGAGENT){
+				//1 1 1 1 0 0 (1 1 0 -> 1 1 0)
+				BDDVAR relvars[6]  = {i * 3, i * 3 + 1, i * 3 + 2, i * 3 + 3, i * 3 + 4, i * 3 + 5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 6);
+				uint8_t rel_enc[6] = {1, 1, 1, 1, 0, 0};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+		}
+		else if (check_space(x, y, LEFT, 1, bm) == 1 && check_space(x, y, LEFT, 2, bm) == 0){
+			sokoban_screen *tmp_scr = get_coord(x, y, screen);
+			sokoban_screen *tmp_scr_d = get_coord(x - 1, y, screen);
+			xy_bddvar_map *bddvar = getxy(x - 1, y, bm->f);
+			int deltai = bddvar->value.var[0];
+			if (tmp_scr->tile == AGENT && tmp_scr_d->tile == FREE){
+				//(0 1 0 0 1 1 1 0 0 0 1 1)
+				BDDVAR relvars[12]  = {deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 12);
+				uint8_t rel_enc[12] = {0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == AGENT && tmp_scr_d->tile == TARGET){
+				//(0 1 1 0 1 1 1 0 0 1 1 1)
+				BDDVAR relvars[12]  = {deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 12);
+				uint8_t rel_enc[12] = {0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == TARGAGENT && tmp_scr_d->tile == FREE){
+				//(0 1 0 1 1 0 1 0 1 0 0 1)
+				BDDVAR relvars[12]  = {deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 12);
+				uint8_t rel_enc[12] = {0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == TARGAGENT && tmp_scr_d->tile == TARGET){
+				//(0 1 1 1 1 0 1 0 1 1 0 1)
+				BDDVAR relvars[12]  = {deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 12);
+				uint8_t rel_enc[12] = {0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == AGENT && tmp_scr_d->tile == BOX){
+				//(0 0 1 1 0 0 1 1 0 0 1 1)
+				BDDVAR relvars[12]  = {deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 12);
+				uint8_t rel_enc[12] = {0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == AGENT && tmp_scr_d->tile == TARGBOX){
+				//(1 1 0 0 0 0 1 1 0 0 1 1)
+				BDDVAR relvars[12]  = {deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 12);
+				uint8_t rel_enc[12] = {1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == TARGAGENT && tmp_scr_d->tile == BOX){
+				//(0 0 1 1 0 0 1 1 1 1 0 0)
+				BDDVAR relvars[12]  = {deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 12);
+				uint8_t rel_enc[12] = {0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == TARGAGENT && tmp_scr_d->tile == TARGBOX){
+				//(1 1 0 0 0 0 1 1 1 1 0 0)
+				BDDVAR relvars[12]  = {deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 12);
+				uint8_t rel_enc[12] = {1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+		}
+		else if (check_space(x, y, LEFT, 1, bm) == 1 && check_space(x, y, LEFT, 2, bm) == 1){
+			sokoban_screen *tmp_scr = get_coord(x, y, screen);
+			sokoban_screen *tmp_scr_d = get_coord(x - 1, y, screen);
+			sokoban_screen *tmp_scr_g = get_coord(x - 2, y, screen);
+			xy_bddvar_map *bddvar = getxy(x - 1, y, bm->f);
+			int deltai = bddvar->value.var[0];
+			bddvar = getxy(x - 2, y, bm->f);
+			int gammai = bddvar->value.var[0];
+			if (tmp_scr->tile == AGENT && tmp_scr_d->tile == FREE){
+				//(0 1 0 0 1 1 1 0 0 0 1 1)
+				BDDVAR relvars[12]  = {deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 12);
+				uint8_t rel_enc[12] = {0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == AGENT && tmp_scr_d->tile == TARGET){
+				//(0 1 1 0 1 1 1 0 0 1 1 1)
+				BDDVAR relvars[12]  = {deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 12);
+				uint8_t rel_enc[12] = {0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == TARGAGENT && tmp_scr_d->tile == FREE){
+				//(0 1 0 1 1 0 1 0 1 0 0 1)
+				BDDVAR relvars[12]  = {deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 12);
+				uint8_t rel_enc[12] = {0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == TARGAGENT && tmp_scr_d->tile == TARGET){
+				//(0 1 1 1 1 0 1 0 1 1 0 1)
+				BDDVAR relvars[12]  = {deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 12);
+				uint8_t rel_enc[12] = {0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == AGENT && tmp_scr_d-> tile == BOX && tmp_scr_g->tile == BOX){
+				//(0 0 1 1 0 0 0 0 1 1 0 0 1 1 0 0 1 1)
+				BDDVAR relvars[18]  = {gammai*3, gammai*3+1, gammai*3+2, gammai*3+3, gammai*3+4, gammai*3+5, deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 18);
+				uint8_t rel_enc[18] = {0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == AGENT && tmp_scr_d-> tile == BOX && tmp_scr_g->tile == TARGBOX){
+				//(1 1 0 0 0 0 0 0 1 1 0 0 1 1 0 0 1 1)
+				BDDVAR relvars[18]  = {gammai*3, gammai*3+1, gammai*3+2, gammai*3+3, gammai*3+4, gammai*3+5, deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 18);
+				uint8_t rel_enc[18] = {1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == TARGAGENT && tmp_scr_d-> tile == BOX && tmp_scr_g->tile == BOX){
+				//(0 0 1 1 0 0 0 0 1 1 0 0 1 1 1 1 0 0)
+				BDDVAR relvars[18]  = {gammai*3, gammai*3+1, gammai*3+2, gammai*3+3, gammai*3+4, gammai*3+5, deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 18);
+				uint8_t rel_enc[18] = {0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == TARGAGENT && tmp_scr_d-> tile == BOX && tmp_scr_g->tile == TARGBOX){
+				//(1 1 0 0 0 0 0 0 1 1 0 0 1 1 1 1 0 0)
+				BDDVAR relvars[18]  = {gammai*3, gammai*3+1, gammai*3+2, gammai*3+3, gammai*3+4, gammai*3+5, deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 18);
+				uint8_t rel_enc[18] = {1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == AGENT && tmp_scr_d->tile == BOX && tmp_scr_g->tile == FREE){
+				//free box agent -> box agent free
+				//(0 0 0 1 1 0 0 1 1 0 0 1 1 0 0 0 1 1)
+				BDDVAR relvars[18]  = {gammai*3, gammai*3+1, gammai*3+2, gammai*3+3, gammai*3+4, gammai*3+5, deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 18);
+				uint8_t rel_enc[18] = {0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == AGENT && tmp_scr_d->tile == TARGBOX && tmp_scr_g->tile == FREE){
+				//(free targbox agent -> box targagent free)
+				//(0 0 0 1 1 0 1 1 0 1 0 0 1 0 0 0 1 1)
+				BDDVAR relvars[18]  = {gammai*3, gammai*3+1, gammai*3+2, gammai*3+3, gammai*3+4, gammai*3+5, deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 18);
+				uint8_t rel_enc[18] = {0, 0, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == AGENT && tmp_scr_d->tile == BOX && tmp_scr_g->tile == TARGET){
+				//(target box agent -> targbox agent free)
+				//(0 1 1 0 1 0 0 1 1 0 0 1 1 0 0 0 1 1)
+				BDDVAR relvars[18]  = {gammai*3, gammai*3+1, gammai*3+2, gammai*3+3, gammai*3+4, gammai*3+5, deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 18);
+				uint8_t rel_enc[18] = {0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == AGENT && tmp_scr_d->tile == TARGBOX && tmp_scr_g->tile == TARGET){
+				//(target targbox agent -> targbox targagent free)
+				//(0 1 1 0 1 0 1 1 0 1 0 0 1 0 0 0 1 1)
+				BDDVAR relvars[18]  = {gammai*3, gammai*3+1, gammai*3+2, gammai*3+3, gammai*3+4, gammai*3+5, deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 18);
+				uint8_t rel_enc[18] = {0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == TARGAGENT && tmp_scr_d->tile == BOX && tmp_scr_g->tile == FREE){
+				//(free box targagent -> box agent target)
+				//(0 0 0 1 1 0 0 1 1 0 0 1 1 0 1 1 0 1)
+				BDDVAR relvars[18]  = {gammai*3, gammai*3+1, gammai*3+2, gammai*3+3, gammai*3+4, gammai*3+5, deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 18);
+				uint8_t rel_enc[18] = {0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == TARGAGENT && tmp_scr_d->tile == TARGBOX && tmp_scr_g->tile == FREE){
+				//(free targbox targagent -> box targagent target)
+				//(0 0 0 1 1 0 1 1 0 1 0 0 1 0 1 1 0 1)
+				BDDVAR relvars[18]  = {gammai*3, gammai*3+1, gammai*3+2, gammai*3+3, gammai*3+4, gammai*3+5, deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 18);
+				uint8_t rel_enc[18] = {0, 0, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == TARGAGENT && tmp_scr_d->tile == BOX && tmp_scr_g->tile == TARGET){
+				//(target box targagent -> targbox agent target)
+				//(0 1 1 0 1 0 0 1 1 0 0 1 1 0 1 1 0 1)
+				BDDVAR relvars[18]  = {gammai*3, gammai*3+1, gammai*3+2, gammai*3+3, gammai*3+4, gammai*3+5, deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 18);
+				uint8_t rel_enc[18] = {0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+			if (tmp_scr->tile == TARGAGENT && tmp_scr_d->tile == TARGBOX && tmp_scr_g->tile == TARGET){
+				//(target targbox targagent -> targbox targagent target)
+				//(0 1 1 0 1 0 1 1 0 1 0 0 1 0 1 1 0 1)
+				BDDVAR relvars[18]  = {gammai*3, gammai*3+1, gammai*3+2, gammai*3+3, gammai*3+4, gammai*3+5, deltai*3, deltai*3+1, deltai*3+2, deltai*3+3, deltai*3+4, deltai*3+5, i*3, i*3+1, i*3+2, i*3+3, i*3+4, i*3+5};
+				BDDSET relvarset = sylvan_set_fromarray(relvars, 18);
+				uint8_t rel_enc[18] = {0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1};
+				t = sylvan_union_cube(t, relvarset, rel_enc);
+			}
+		}
+	}
+	*/
 
 	//up relation
+	BDD tu = create_single_rel(screen, UP);
 
 	//right relation
+	BDD tr = create_single_rel(screen, RIGHT);
 
 	//down relation
+	BDD td = create_single_rel(screen, DOWN);
+
+	rels *rls = NULL;
+	rls = (rels *)malloc(sizeof(rels));
+	rls->rell = &tl;
+	rls->relu = &tu;
+	rls->relr = &tr;
+	rls->reld = &td;
 
-	return sylvan_true;
+	return rls;
 }