void test7() { VC vc = vc_createValidityChecker(NULL); Type r = vc_realType(vc); Type b = vc_boolType(vc); Expr x = vc_varExpr(vc, "x", r); Expr y = vc_varExpr(vc, "y", r); Expr z = vc_varExpr(vc, "z", r); Type real2real = vc_funType1(vc, r, r); Type real2bool = vc_funType1(vc, r, b); Op f = vc_createOp(vc, "f", real2real); Op p = vc_createOp(vc, "p", real2bool); Expr fx = vc_funExpr1(vc, f, x); Expr fy = vc_funExpr1(vc, f, y); Expr fxeqfy = vc_eqExpr(vc, fx, fy); Expr px = vc_funExpr1(vc, p, x); Expr py = vc_funExpr1(vc, p, y); Expr xeqy = vc_eqExpr(vc, x, y); Expr yeqx = vc_eqExpr(vc, y, x); Expr xeqz = vc_eqExpr(vc, x, z); Expr zeqx = vc_eqExpr(vc, z, x); Expr yeqz = vc_eqExpr(vc, y, z); Expr zeqy = vc_eqExpr(vc, z, y); Expr notxeqz = vc_notExpr(vc, xeqz); int c; vc_registerAtom(vc, xeqy); vc_registerAtom(vc, yeqx); vc_registerAtom(vc, xeqz); vc_registerAtom(vc, zeqx); vc_registerAtom(vc, yeqz); vc_registerAtom(vc, zeqy); vc_registerAtom(vc, px); vc_registerAtom(vc, py); vc_registerAtom(vc, fxeqfy); printf("Push\n"); vc_push(vc); printf("Assert x = y\n"); vc_assertFormula(vc, xeqy); c = printImpliedLiterals(vc); FatalAssert(c==3,"Implied literal error 0"); printf("Push\n"); vc_push(vc); printf("Assert x /= z\n"); vc_assertFormula(vc, notxeqz); c = printImpliedLiterals(vc); FatalAssert(c==4,"Implied literal error 1"); printf("Pop\n"); vc_pop(vc); printf("Pop\n"); vc_pop(vc); vc_deleteExpr(notxeqz); vc_deleteExpr(zeqy); vc_deleteExpr(yeqz); vc_deleteExpr(zeqx); vc_deleteExpr(xeqz); vc_deleteExpr(yeqx); vc_deleteExpr(xeqy); vc_deleteExpr(py); vc_deleteExpr(px); vc_deleteExpr(fxeqfy); vc_deleteExpr(fy); vc_deleteExpr(fx); vc_deleteOp(p); vc_deleteOp(f); vc_deleteType(real2bool); vc_deleteType(real2real); vc_deleteExpr(z); vc_deleteExpr(y); vc_deleteExpr(x); vc_deleteType(b); vc_deleteType(r); vc_destroyValidityChecker(vc); }
// Register an atomic formula of interest value caml_vc_registerAtom(value vc, value e) { CAMLparam2(vc,e); vc_registerAtom(VC_val(vc),Expr_val(e)); CAMLreturn(Val_unit); }