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     printf("Doing left\n");
  66     test_trans(init, rls->rell);
  67     printf("Doing up\n");
  68     test_trans(init, rls->relu);
  69     printf("Doing right\n");
  70     test_trans(init, rls->relr);
  71     printf("Doing down\n");
  72     test_trans(init, rls->reld);
  73     */
  74
  75         BDD old = sylvan_false;
  76         BDD new = init->bdd;
  77         int iteration = 0;
  78         while(new != old){
  79                 old = new;
  80                 ERRPRINT("Iteration %d\n", iteration++);
  81         trans_t *t = rls->rell;
  82
  83         //for testing
  84         /*
  85         BDDSET testvars = sylvan_set_fromarray(((BDDVAR[]){0,2,4,6,8,10,12,14,16}), 9);
  86         BDD teststate = sylvan_cube(testvars, (uint8_t[]){1,0,1,0,0,1,0,1,0});
  87         BDD teststate1 = sylvan_or(teststate, sylvan_cube(testvars, (uint8_t[]){0,0,1,1,0,1,0,1,0}));
  88         BDD teststate2 = sylvan_or(teststate1, sylvan_cube(testvars, (uint8_t[]){0,1,0,0,0,1,1,0,1}));
  89         if (new == teststate2) printf("Wrong!\n");
  90         */
  91         while (t != NULL){
  92             new = sylvan_or(new, sylvan_relnext(new, t->bdd, t->varset.varset));
  93             t = t->next_rel;
  94             //ERRPRINT("Satcount: %f\n", sylvan_satcount(new, init->vars.varset));
  95         }
  96
  97         t = rls->relu;
  98         while (t != NULL){
  99             new = sylvan_or(new, sylvan_relnext(new, t->bdd, t->varset.varset));
 100             t = t->next_rel;
 101             //ERRPRINT("Satcount: %f\n", sylvan_satcount(new, init->vars.varset));
 102         }
 103
 104
 105         t = rls->relr;
 106         while (t != NULL){
 107             new = sylvan_or(new, sylvan_relnext(new, t->bdd, t->varset.varset));
 108             t = t->next_rel;
 109             //ERRPRINT("Satcount: %f\n", sylvan_satcount(new, init->vars.varset));
 110         }
 111
 112
 113         t = rls->reld;
 114         while (t != NULL){
 115             new = sylvan_or(new, sylvan_relnext(new, t->bdd, t->varset.varset));
 116             t = t->next_rel;
 117             //ERRPRINT("Satcount: %f\n", sylvan_satcount(new, init->vars.varset));
 118         }
 119
 120         }
 121         ERRPRINT("Satcount: %f\n", sylvan_satcount(old, init->vars.varset));
 122 //      sylvan_enum(old, init->vars.varset, (enum_cb)callback, NULL);
 123 //      sylvan_printdot_nc(old);
 124         time_end_encode = clock();
 125
 126         //SOLVE???
 127
 128         sokoban_free(screen);
 129         ERRPRINT("Reading: %fs\n",
 130                 ((double) (time_end_read-time_start_read))/CLOCKS_PER_SEC);
 131         ERRPRINT("Encoding: %fs\n",
 132                 ((double) (time_end_encode-time_start_encode))/CLOCKS_PER_SEC);
 133 }
 134
 135 int main(int argc, char **argv)
 136 {
 137         int optchar;
 138
 139         while((optchar = getopt(argc, argv, "cdhoy")) != -1){
 140                 switch(optchar){
 141                 case 'c':
 142                         strat = COORD;
 143                         DPRINT("Strategy changed to Coordinate based\n");
 144                         break;
 145                 case 'd':
 146                         DEBUG = true;
 147                         DPRINT("Debug enabled\n");
 148                         break;
 149                 case 'h':
 150                         usage(argv[0]);
 151                         return 0;
 152                 case 'o':
 153                         strat = OBJECT;
 154                         DPRINT("Strategy changed to Object based\n");
 155                         break;
 156                 case 'y':
 157                         strat = HYBRID;
 158                         DPRINT("Strategy changed to Hybrid\n");
 159                         break;
 160                 case '?':
 161                         if(isprint(optopt)){
 162                                 ERRPRINT("Unknown option `-%c'.\n", optopt);
 163                         } else {
 164                                 ERRPRINT("Unknown option char `-\\x%x'.\n", optopt);
 165                         }
 166                         return 2;
 167                 default:
 168                         break;
 169                 }
 170         }
 171
 172         if(optind == argc){
 173                 ERRPRINT("You have not specified a file, reading from stdin\n");
 174                 solve(stdin);
 175         }
 176
 177         for(int filepathindex = optind; filepathindex < argc; filepathindex++){
 178                 char *currentfilepath = argv[filepathindex];
 179                 ERRPRINT("Processing: %s\n", currentfilepath);
 180                 FILE *currentfile = fopen(currentfilepath, "r");
 181                 DPRINT("Opening file\n");
 182                 solve(currentfile);
 183                 DPRINT("Closing file\n");
 184                 fclose(currentfile);
 185         }
 186         return 0;
 187 }