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, false);
  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         trans_t *t = rls->rell;
  72
  73         while (t != NULL){
  74             new = sylvan_or(new, sylvan_relnext(new, t->bdd, t->varset.varset));
  75             t = t->next_rel;
  76         }
  77         t = rls->relu;
  78         while (t != NULL){
  79             new = sylvan_or(new, sylvan_relnext(new, t->bdd, t->varset.varset));
  80             t = t->next_rel;
  81         }
  82         t = rls->relr;
  83         while (t != NULL){
  84             new = sylvan_or(new, sylvan_relnext(new, t->bdd, t->varset.varset));
  85             t = t->next_rel;
  86         }
  87         t = rls->reld;
  88         while (t != NULL){
  89             new = sylvan_or(new, sylvan_relnext(new, t->bdd, t->varset.varset));
  90             t = t->next_rel;
  91         }
  92         }
  93         ERRPRINT("Satcount: %f\n", sylvan_satcount(old, init->vars.varset));
  94 //      sylvan_enum(old, init->vars.varset, (enum_cb)callback, NULL);
  95 //      sylvan_printdot_nc(old);
  96         time_end_encode = clock();
  97
  98         //SOLVE???
  99
 100         sokoban_free(screen);
 101         ERRPRINT("Reading: %fs\n",
 102                 ((double) (time_end_read-time_start_read))/CLOCKS_PER_SEC);
 103         ERRPRINT("Encoding: %fs\n",
 104                 ((double) (time_end_encode-time_start_encode))/CLOCKS_PER_SEC);
 105 }
 106
 107 int main(int argc, char **argv)
 108 {
 109         int optchar;
 110
 111         while((optchar = getopt(argc, argv, "cdhoy")) != -1){
 112                 switch(optchar){
 113                 case 'c':
 114                         strat = COORD;
 115                         DPRINT("Strategy changed to Coordinate based\n");
 116                         break;
 117                 case 'd':
 118                         DEBUG = true;
 119                         DPRINT("Debug enabled\n");
 120                         break;
 121                 case 'h':
 122                         usage(argv[0]);
 123                         return 0;
 124                 case 'o':
 125                         strat = OBJECT;
 126                         DPRINT("Strategy changed to Object based\n");
 127                         break;
 128                 case 'y':
 129                         strat = HYBRID;
 130                         DPRINT("Strategy changed to Hybrid\n");
 131                         break;
 132                 case '?':
 133                         if(isprint(optopt)){
 134                                 ERRPRINT("Unknown option `-%c'.\n", optopt);
 135                         } else {
 136                                 ERRPRINT("Unknown option char `-\\x%x'.\n", optopt);
 137                         }
 138                         return 2;
 139                 default:
 140                         break;
 141                 }
 142         }
 143
 144         if(optind == argc){
 145                 ERRPRINT("You have not specified a file, reading from stdin\n");
 146                 solve(stdin);
 147         }
 148
 149         for(int filepathindex = optind; filepathindex < argc; filepathindex++){
 150                 char *currentfilepath = argv[filepathindex];
 151                 ERRPRINT("Processing: %s\n", currentfilepath);
 152                 FILE *currentfile = fopen(currentfilepath, "r");
 153                 DPRINT("Opening file\n");
 154                 solve(currentfile);
 155                 DPRINT("Closing file\n");
 156                 fclose(currentfile);
 157         }
 158         return 0;
 159 }