modelchecker/main.c

   1 #include <stdio.h>
   2 #include <stdbool.h>
   3 #include <ctype.h>
   4 #include <time.h>
   5 #include <unistd.h>
   6
   7 #include <sylvan.h>
   8
   9 #include "sokoban.h"
  10 #include "coord.h"
  11 #include "object.h"
  12
  13 #define ERRPRINT(fmt, as...) fprintf(stderr, fmt, ## as);
  14 #define DPRINT(fmt, as...) if(DEBUG) ERRPRINT(fmt, ## as);
  15
  16 typedef enum {OBJECT, COORD, HYBRID} strategy;
  17
  18 //Global variables
  19 bool DEBUG = false;
  20 strategy strat = HYBRID;
  21
  22 void usage(char *prg)
  23 {
  24         ERRPRINT("Usage:\n"
  25                 "\t%s [opts] [FILE [FILE [...]]]\n"
  26                 "\n"
  27                 "Options:\n"
  28                 "\tAll strategies are mutually exclusive\n"
  29                 "\t-c       coordinate based strategy\n"
  30                 "\t-o       object based strategy\n"
  31                 "\t-y       hybrid strategy\n"
  32 //              "\t-l LURD  lURD verification strategy\n"
  33 //              "\t-r       show all positions that are a valid solution\n"
  34                 "\n"
  35                 "\t-d       enable verbose debug output\n"
  36                 "\t-h       show this help\n"
  37                 "\n"
  38                 "Positional arguments:\n"
  39                 "\tFILE     zero or more sokoban screens\n"
  40                 "\t         when no file is specified stdin will be used\n", prg);
  41 }
  42
  43 void solve(FILE *inputstream)
  44 {
  45         clock_t time_start_read, time_end_read;
  46         clock_t time_start_encode, time_end_encode;
  47
  48         time_start_read = clock();
  49         sokoban_screen *screen = parse_screen(inputstream);
  50         if (screen == NULL) printf("Something went wrong...\n");
  51         //sokoban_print(screen);
  52         time_end_read = clock();
  53
  54         time_start_encode = clock();
  55
  56         lace_init(0, 1000000);
  57         lace_startup(0, NULL, NULL);
  58         LACE_ME;
  59     sylvan_init_package(1LL<<21, 1LL<<27, 1LL<<20, 1LL<<26);
  60     sylvan_init_bdd(6);
  61
  62         state *init = encode_screen(screen);
  63         rels *rls = encode_rel(screen);
  64
  65         BDD old = sylvan_false;
  66         BDD new = init->bdd;
  67         int iteration = 0;
  68         while(new != old){
  69                 old = new;
  70                 ERRPRINT("Iteration %d\n", iteration++);
  71                 ERRPRINT("Satcount: %f\n", sylvan_satcount(old, init->vars.varset));
  72         trans_t *t = rls->rell;
  73
  74         while (t != NULL){
  75             new = sylvan_or(new, sylvan_relnext(new, t->bdd, t->varset.varset));
  76             t = t->next_rel;
  77         }
  78         t = rls->relu;
  79         while (t != NULL){
  80             new = sylvan_or(new, sylvan_relnext(new, t->bdd, t->varset.varset));
  81             t = t->next_rel;
  82         }
  83         t = rls->relr;
  84         while (t != NULL){
  85             new = sylvan_or(new, sylvan_relnext(new, t->bdd, t->varset.varset));
  86             t = t->next_rel;
  87         }
  88         t = rls->reld;
  89         while (t != NULL){
  90             new = sylvan_or(new, sylvan_relnext(new, t->bdd, t->varset.varset));
  91             t = t->next_rel;
  92         }
  93         }
  94                 //sylvan_printdot_nc(old);
  95         //switch(strat){
  96         //      case COORD:
  97         //              DPRINT("Encoding coordinate based\n");
  98         //              break;
  99         //      case OBJECT:
 100         //              DPRINT("Encoding object based\n");
 101         //              solve_object(screen);
 102         //              break;
 103         //      case HYBRID:
 104         //              DPRINT("Encoding hybrid based\n");
 105         //              DPRINT("Not implemented yet...\n");
 106         //              break;
 107         //      default:
 108         //              ERRPRINT("Huh?");
 109         //              exit(2);
 110         //}
 111         time_end_encode = clock();
 112
 113         //SOLVE???
 114
 115         sokoban_free(screen);
 116         ERRPRINT("Reading: %fs\n",
 117                 ((double) (time_end_read-time_start_read))/CLOCKS_PER_SEC);
 118         ERRPRINT("Encoding: %fs\n",
 119                 ((double) (time_end_encode-time_start_encode))/CLOCKS_PER_SEC);
 120 }
 121
 122 int main(int argc, char **argv)
 123 {
 124         int optchar;
 125
 126         while((optchar = getopt(argc, argv, "cdhoy")) != -1){
 127                 switch(optchar){
 128                 case 'c':
 129                         strat = COORD;
 130                         DPRINT("Strategy changed to Coordinate based\n");
 131                         break;
 132                 case 'd':
 133                         DEBUG = true;
 134                         DPRINT("Debug enabled\n");
 135                         break;
 136                 case 'h':
 137                         usage(argv[0]);
 138                         return 0;
 139                 case 'o':
 140                         strat = OBJECT;
 141                         DPRINT("Strategy changed to Object based\n");
 142                         break;
 143                 case 'y':
 144                         strat = HYBRID;
 145                         DPRINT("Strategy changed to Hybrid\n");
 146                         break;
 147                 case '?':
 148                         if(isprint(optopt)){
 149                                 ERRPRINT("Unknown option `-%c'.\n", optopt);
 150                         } else {
 151                                 ERRPRINT("Unknown option char `-\\x%x'.\n", optopt);
 152                         }
 153                         return 2;
 154                 default:
 155                         break;
 156                 }
 157         }
 158
 159         if(optind == argc){
 160                 ERRPRINT("You have not specified a file, reading from stdin\n");
 161                 solve(stdin);
 162         }
 163
 164         for(int filepathindex = optind; filepathindex < argc; filepathindex++){
 165                 char *currentfilepath = argv[filepathindex];
 166                 ERRPRINT("Processing: %s\n", currentfilepath);
 167                 FILE *currentfile = fopen(currentfilepath, "r");
 168                 DPRINT("Opening file\n");
 169                 solve(currentfile);
 170                 DPRINT("Closing file\n");
 171                 fclose(currentfile);
 172         }
 173         return 0;
 174 }