src/Test/buildconstraintstest.c

   1 #include "csolver.h"
   2
   3 int main(int numargs, char ** argv) {
   4         CSolver * solver=allocCSolver();
   5         uint64_t set1[]={0, 1, 2};
   6         uint64_t setbigarray[]={0, 1, 2, 3, 4};
   7
   8         Set * s=createSet(solver, 0, set1, 3);
   9         Set * setbig=createSet(solver, 0, setbigarray, 5);
  10         Element * e1=getElementVar(solver, s);
  11         Element * e2=getElementVar(solver, s);
  12         Set * domain[]={s, s};
  13         Predicate *equals=createPredicateOperator(solver, EQUALS, domain, 2);
  14         Element * inputs[]={e1, e2};
  15         Boolean* overflow = getBooleanVar(solver , 2);
  16         Boolean * b=applyPredicate(solver, equals, inputs, 2, overflow);
  17         addConstraint(solver, b);
  18
  19         uint64_t set2[] = {2, 3};
  20         Set* rangef1 = createSet(solver, 1, set2, 2);
  21         Function * f1 = createFunctionOperator(solver, ADD, domain, 2, setbig, IGNORE);
  22
  23         Table* table = createTable(solver, domain, 2, s);
  24         uint64_t row1[] = {0, 1};
  25         uint64_t row2[] = {1, 1};
  26         uint64_t row3[] = {2, 1};
  27         uint64_t row4[] = {2, 2};
  28         addTableEntry(solver, table, row1, 2, 0);
  29         addTableEntry(solver, table, row2, 2, 0);
  30         addTableEntry(solver, table, row3, 2, 2);
  31         addTableEntry(solver, table, row4, 2, 2);
  32         Function * f2 = completeTable(solver, table, IGNOREBEHAVIOR); //its range would be as same as s
  33
  34         Element * e3 = applyFunction(solver, f1, inputs, 2, overflow);
  35         Element * e4 = applyFunction(solver, f2, inputs, 2, overflow);
  36         Set* domain2[] = {s,rangef1};
  37         Predicate* equal2 = createPredicateOperator(solver, EQUALS, domain2, 2);
  38         Element* inputs2 [] = {e4, e3};
  39         Boolean* pred = applyPredicate(solver, equal2, inputs2, 2, overflow);
  40         addConstraint(solver, pred);
  41
  42         if (startEncoding(solver)==1)
  43                 printf("e1=%llu e2=%llu\n", getElementValue(solver,e1), getElementValue(solver, e2));
  44         else
  45                 printf("UNSAT\n");
  46         deleteSolver(solver);
  47 }