/**CFile***********************************************************************

  FileName    [smtDebug.c]

  PackageName [smt]

  Synopsis    [Routines for smt function.]

  Author      [Hyondeuk Kim]

  Copyright   [Copyright (c) 1995-2004, Regents of the University of Colorado

  All rights reserved.

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions
  are met:

  Redistributions of source code must retain the above copyright
  notice, this list of conditions and the following disclaimer.

  Redistributions in binary form must reproduce the above copyright
  notice, this list of conditions and the following disclaimer in the
  documentation and/or other materials provided with the distribution.

  Neither the name of the University of Colorado nor the names of its
  contributors may be used to endorse or promote products derived from
  this software without specific prior written permission.

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  POSSIBILITY OF SUCH DAMAGE.]

******************************************************************************/

#ifdef HAVE_LIBGMP

#include "smt.h"

void
smt_print_atom_variable(smtManager_t * sm)
{
  satManager_t * cm = sm->cm;
  smtAvar_t * avar;
  int value = 2;
  int i;
  
  for(i = 0; i < sm->avarArr->size; i++) {
    avar = (smtAvar_t *) sm->avarArr->space[i];
    if (cm) value = cm->values[SATVar(avar->id)];
    fprintf(stdout, "%d:%s:%d\n", avar->id, avar->name, value);
  }
}

void
smt_print_atom_variable_in_array(smtManager_t * sm, satArray_t * avarArr)
{
  satManager_t * cm = sm->cm;
  smtAvar_t * avar;
  int value = 2;
  int i;
  
  for(i = 0; i < avarArr->size; i++) {
    avar = (smtAvar_t *) avarArr->space[i];
    if (cm) value = cm->values[SATVar(avar->id)];
    fprintf(stdout, "%d:%s:%d\n", avar->id, avar->name, value);
  }
}

void
smt_print_numerical_variable(smtManager_t * sm)
{
  smtNvar_t * nvar;
  int i;
  
  for(i = 0; i < sm->nvarArr->size; i++) {
    nvar = (smtNvar_t *) sm->nvarArr->space[i];
    fprintf(stdout, "%d:%s\n", nvar->id, nvar->name);
  }
}

void
smt_print_numerical_variable_in_array(
  satArray_t * nvarArr)
{
  smtNvar_t * nvar;
  int i;
  
  for(i = 0; i < nvarArr->size; i++) {
    nvar = (smtNvar_t *) nvarArr->space[i];
    fprintf(stdout, "%d:%s\n", nvar->id, nvar->name);
  }
}

void
smt_print_nvar_with_value(smtManager_t * sm)
{
  smtNvar_t *nvar;  
  int i;
  
  for(i = 0; i < sm->nvarArr->size; i++) {
    nvar = (smtNvar_t *) sm->nvarArr->space[i];
    if (sm->flag & IDL_MASK)
      fprintf(stdout, "%s=%d\n", nvar->name, sm->ivalues[nvar->id]);
    else if (sm->flag & RDL_MASK)
      fprintf(stdout, "%s=%g\n", nvar->name, sm->rvalues[nvar->id]);
  }

  return;
}

void
smt_print_nvar_value_in_tableau(smtManager_t * sm)
{
  smtNvar_t * nvar;
  double value;
  int i;

  for(i = 0; i < sm->tab_nvars->size; i++) {
    nvar = (smtNvar_t *) sm->tab_nvars->space[i];
    value = sm->rvalues[nvar->id];
    fprintf(stdout, "%s:%g\n", nvar->name, value);
  }
}

void
smt_check_nvar_value_with_tableau(smtManager_t * sm)
{
  double * tab = sm->tab;
  smtNvar_t * nvar;
  double coeff, sum;
  int col, num_col, index;
  int i, j;

  num_col = sm->tab_nvars->size;

  for(i = 0; i < sm->basics->size; i++) {
    for(j = 0, sum = 0; j < sm->tab_nvars->size; j++) {
      nvar = (smtNvar_t *) sm->tab_nvars->space[j];
      col = nvar->id;
      index = i * num_col + col;
      coeff = tab[index];
      if (coeff <= 0 && coeff >= 0) continue;
      sum = sum + coeff * sm->rvalues[nvar->id];
    }
    assert(sum==0);
  }
}

void
smt_print_nvar_bound_in_tableau(smtManager_t * sm)
{
  smtNvar_t * nvar;
  smtBound_t * bound;
  int i;

  for(i = 0; i < sm->tab_nvars->size; i++) {
    nvar = (smtNvar_t *) sm->tab_nvars->space[i];
    bound = &(sm->bounds[nvar->id]);
    fprintf(stdout, "%g <= %s <= %g\n", bound->lb, nvar->name, bound->ub);
  }
}

void
smt_print_atom_for_slack(smtManager_t * sm)
{
  smtAvar_t * avar;
  smtNvar_t * slack, * nvar;
  double coeff;
  int i, j;

  for(i = 0; i < sm->slacks->size; i++) {
    slack = (smtNvar_t *) sm->slacks->space[i];
    avar = (smtAvar_t *) slack->avarArr->space[0];
    fprintf(stdout, "%s:", slack->name);
    for(j = 0; j < avar->nvars->size; j++) {
      coeff = array_fetch(double, avar->coeffs, j);
      nvar = (smtNvar_t *) avar->nvars->space[j];
      if (avar->flag & SIGNED_MASK) coeff = -coeff;
      fprintf(stdout, "%g*%s ", coeff, nvar->name);
    }
    fprintf(stdout, "\n");
  }
}

void
smt_print_boolean_variable(smtManager_t * sm)
{
  satManager_t * cm = sm->cm;
  smtBvar_t * bvar;
  int value = 2;
  int i;
  
  for(i = 0; i < sm->bvarArr->size; i++) {
    bvar = (smtBvar_t *) sm->bvarArr->space[i];
    if (cm) value = cm->values[SATVar(bvar->id)];
    fprintf(stdout, "%d:%s:%d\n", bvar->id, bvar->name, value);
  }
}

void
smt_print_flet_pair(smtManager_t * sm)
{
  smtFlet_t * flet;
  int i;
  char * fvar_str, * fml_str;
  
  for(i = 0; i < sm->fletArr->size; i++) {
    flet = (smtFlet_t *) sm->fletArr->space[i];
    fvar_str = smt_convert_fml_to_string(flet->fvar_fml);
    fml_str = smt_convert_fml_to_string(flet->fml);
    fprintf(stdout, "%s <-> %s\n", fvar_str, fml_str);
    free(fvar_str);
    free(fml_str);
  }
}

void
smt_print_cnf_to_smt_file(smtManager_t * sm)
{
  FILE * fp;
  smtCls_t * cls;
  smtAvar_t * avar;
  smtBvar_t * bvar;
  smtNvar_t * nvar;
  satArray_t * clsArr = sm->clsArr;
  char * filename;
  int id, lit, i, j;

  if (sm->clsArr->size == 0) return;
  
  if (sm->filename)  
    filename = util_strcat3(sm->filename, ".cnf.smt", "");
  else
    return;
    
  fp = fopen(filename, "w");

  fprintf(fp, "(benchmark %s\n", filename);
  fprintf(fp, ":source {\n");
  fprintf(fp, "SMT Formula is translated by Hyondeuk Kim in CNF SMT-LIB format benchmark\n");
  fprintf(fp, "}\n");
  fprintf(fp, ":status unknown\n");

 if (sm->flag & LIA_MASK) 
    fprintf(fp, ":logic QF_LIA\n"); 
  else if (sm->flag & LRA_MASK) 
    fprintf(fp, ":logic QF_LRA\n"); 
  else if (sm->flag & IDL_MASK) 
    fprintf(fp, ":logic QF_IDL\n"); 
  else if (sm->flag & RDL_MASK) 
    fprintf(fp, ":logic QF_RDL\n"); 

  for(i = 0; i < sm->bvarArr->size; i++) {
    bvar = (smtBvar_t *) sm->bvarArr->space[i];
    fprintf(fp, "  :extrapreds ((%s))\n", bvar->name);
  }
  
  for(i = 0; i < sm->nvarArr->size; i++) {
    nvar = (smtNvar_t *) sm->nvarArr->space[i];
    if (sm->flag & LIA_MASK || sm->flag & IDL_MASK)
      fprintf(fp, "  :extrafuns ((%s Int))\n", nvar->name);
    else if (sm->flag & LRA_MASK || sm->flag & RDL_MASK)
      fprintf(fp, "  :extrafuns ((%s Real))\n", nvar->name);
  }

  fprintf(fp, ":formula\n");

  fprintf(fp, "( and\n");

  for(i = 0; i < clsArr->size; i++) {
    fprintf(fp, "( or ");
    cls = (smtCls_t *) clsArr->space[i];
    for(j = 0; j < cls->litArr->size; j++) {
      lit = cls->litArr->space[j];
      if (lit > 0) {
	id = lit;
	if (id > sm->avarArr->size) {
	  bvar = (smtBvar_t *) sm->id2var->space[id];
	  fprintf(fp, "%s ", bvar->name);
	} else {
	  avar = (smtAvar_t *) sm->id2var->space[id];
	  fprintf(fp, "%s ", avar->name);
	}
      } else {
	id = -lit;
	if (id > sm->avarArr->size) {
	  bvar = (smtBvar_t *) sm->id2var->space[id];
	  fprintf(fp, "(not %s) ", bvar->name);
	} else {
	  avar = (smtAvar_t *) sm->id2var->space[id];
	  fprintf(fp, "(not %s) ", avar->name);
	}
      }
    }
    
    fprintf(fp, " )\n");
  }
  
  fprintf(fp, "))");

  fclose(fp);

  free(filename);
}

void
smt_print_cnf_to_smt_file_with_avar(smtManager_t * sm)
{
  FILE * fp;
  smtCls_t * cls;
  smtAvar_t * avar;
  smtBvar_t * bvar;
  smtNvar_t * nvar;
  satArray_t * clsArr = sm->clsArr;
  char * filename;
  char * str_a, * str_b, * str_c, * str_d, * str_e;
  double coeff, tcoeff, constant, tconstant;
  int id, lit;
  int i, j, k;

  if (sm->clsArr->size == 0) return;
  
  if (sm->filename)  
    filename = util_strcat3(sm->filename, ".cnf.smt", "");
  else
    return;
    
  fp = fopen(filename, "w");

  fprintf(fp, "(benchmark %s\n", filename);
  fprintf(fp, ":source {\n");
  fprintf(fp, "SMT Formula is translated by Hyondeuk Kim in CNF SMT-LIB format benchmark\n");
  fprintf(fp, "}\n");
  fprintf(fp, ":status unknown\n");

  if (sm->flag & LIA_MASK) 
    fprintf(fp, ":logic QF_LIA\n"); 
  else if (sm->flag & LRA_MASK) 
    fprintf(fp, ":logic QF_LRA\n"); 
  else if (sm->flag & IDL_MASK) 
    fprintf(fp, ":logic QF_IDL\n"); 
  else if (sm->flag & RDL_MASK) 
    fprintf(fp, ":logic QF_RDL\n"); 

  for(i = 0; i < sm->bvarArr->size; i++) {
    bvar = (smtBvar_t *) sm->bvarArr->space[i];
    fprintf(fp, "  :extrapreds ((%s))\n", bvar->name);
  }
  
  for(i = 0; i < sm->nvarArr->size; i++) {
    nvar = (smtNvar_t *) sm->nvarArr->space[i];
    if (sm->flag & LIA_MASK || sm->flag & IDL_MASK)
      fprintf(fp, "  :extrafuns ((%s Int))\n", nvar->name);
    else if (sm->flag & LRA_MASK || sm->flag & RDL_MASK)
      fprintf(fp, "  :extrafuns ((%s Real))\n", nvar->name);
  }

  fprintf(fp, ":formula\n");

  fprintf(fp, "( and\n");

  str_b = (char *) malloc(sizeof(char) * 10);

  for(i = 0; i < clsArr->size; i++) {
    fprintf(fp, "( or ");
    cls = (smtCls_t *) clsArr->space[i];
    for(j = 0; j < cls->litArr->size; j++) {
      lit = cls->litArr->space[j];
      if (lit > 0) {
	id = lit;
	if (id > sm->avarArr->size) {
	  bvar = (smtBvar_t *) sm->id2var->space[id];
	  fprintf(fp, "%s ", bvar->name);
	} else {
	  avar = (smtAvar_t *) sm->id2var->space[id];
	  str_a = util_strsav("(<= (+ ");

	  for(k = 0; k < avar->nvars->size; k++) {
	    coeff = array_fetch(double, avar->coeffs, k);
	    tcoeff = (coeff > 0) ? coeff : -coeff;
	    sprintf(str_b, "%d", (int) tcoeff);
	    nvar = (smtNvar_t *) avar->nvars->space[k];
	    if (coeff > 0) {
	      str_c = util_strcat3("(* ", str_b, " ");
	      str_d = util_strcat3(str_c, nvar->name, ") ");
	    } else {
	      str_c = util_strcat3("(* (~ ", str_b, ") ");
	      str_d = util_strcat3(str_c, nvar->name, ") ");
	    }
	    str_e = str_a;
	    str_a = util_strcat3(str_a, str_d, "");
	    free(str_c);
	    free(str_d);
	    free(str_e);
	  }
	  
	  constant = avar->constant;
	  tconstant = (constant >= 0) ? constant : -constant;
	  if (constant >= 0) {
	    sprintf(str_b, "%d", (int) tconstant);
	    str_e = util_strsav(str_b);
	  } else {
	    sprintf(str_b, "%d", (int) tconstant);
	    str_e = util_strcat3("(~ ", str_b, ") ");
	  }
	  str_c = util_strcat3(str_a, ") ", str_e);
	  str_d = util_strcat3(str_c, " ) ", "");
	  fprintf(fp, "%s ", str_d); 
	  /* fprintf(stdout, "%s\n", str_d); */
	  free(str_a);
	  free(str_c);
	  free(str_d);
	  free(str_e);
	}
      } else {
	id = -lit;
	if (id > sm->avarArr->size) {
	  bvar = (smtBvar_t *) sm->id2var->space[id];
	  fprintf(fp, "(not %s) ", bvar->name);
	} else {
	  avar = (smtAvar_t *) sm->id2var->space[id];
	  str_a = util_strsav("(<= (+ ");

	  for(k = 0; k < avar->nvars->size; k++) {
	    coeff = array_fetch(double, avar->coeffs, k);
	    tcoeff = (coeff > 0) ? coeff : -coeff;
	    sprintf(str_b, "%d", (int) tcoeff);
	    nvar = (smtNvar_t *) avar->nvars->space[k];
	    if (coeff > 0) {
	      str_c = util_strcat3("(* ", str_b, " ");
	      str_d = util_strcat3(str_c, nvar->name, ") ");
	    } else {
	      str_c = util_strcat3("(* (~ ", str_b, ") ");
	      str_d = util_strcat3(str_c, nvar->name, ") ");
	    }
	    str_e = str_a;
	    str_a = util_strcat3(str_a, str_d, "");
	    free(str_c);
	    free(str_d);
	    free(str_e);
	  }
	  
	  constant = avar->constant;
	  tconstant = (constant >= 0) ? constant : -constant;
	  if (constant >= 0) {
	    sprintf(str_b, "%d", (int) tconstant);
	    str_e = util_strsav(str_b);
	  } else {
	    sprintf(str_b, "%d", (int) tconstant);
	    str_e = util_strcat3("(~ ", str_b, ") ");
	  }

	  str_c = util_strcat3(str_a, ") ", str_e);
	  str_d = util_strcat3(str_c, " ) ", "");
	  fprintf(fp, "(not %s) ", str_d);
	  free(str_a);
	  free(str_c);
	  free(str_d);
	  free(str_e);
	}
      }
    }
    
    fprintf(fp, " )\n");
  }
  
  fprintf(fp, "))");

  fclose(fp);

  free(filename);
  free(str_b);
}

void
smt_print_dimacs_to_smt_file(smtManager_t * sm)
{
  FILE * fp;
  satManager_t * cm = sm->cm;
  satClause_t * c;
  smtAvar_t * avar;
  smtBvar_t * bvar;
  smtNvar_t * nvar;
  satArray_t * arr = cm->clauses;
  char * filename, * str_a, * str_b;
  int * vflags;
  long lit, v;
  int id, i, j, csize, value;

  if (arr->size == 0) return;
  
  if (sm->filename)  
    filename = util_strcat3(sm->filename, ".dimacs.cnf.smt", "");
  else
    return;
    
  vflags = (int *) malloc(sizeof(int) * sm->id2var->size);

  memset(vflags, 0, sizeof(int) * sm->id2var->size);

  for(i = 0; i < arr->size; i++) {
    c = (satClause_t *)arr->space[i];
    csize = SATSizeClause(c);
    for(j = 0; j < csize; j++) {
      lit = c->lits[j];
      v = lit >> 1;
      v = lit&1 ? -v : v;

      if (v > 0) 
	id = (int) v;
      else
	id = (int) -v;

      vflags[id] = 1;
    }
  }

  fp = fopen(filename, "w");

  fprintf(fp, "(benchmark %s\n", filename);
  fprintf(fp, ":source {\n");
  fprintf(fp, "SMT Formula is translated by Hyondeuk Kim in CNF SMT-LIB format benchmark\n");
  fprintf(fp, "}\n");
  fprintf(fp, ":status unknown\n");

 if (sm->flag & LIA_MASK) 
    fprintf(fp, ":logic QF_LIA\n"); 
  else if (sm->flag & LRA_MASK) 
    fprintf(fp, ":logic QF_LRA\n"); 
  else if (sm->flag & IDL_MASK) 
    fprintf(fp, ":logic QF_IDL\n"); 
  else if (sm->flag & RDL_MASK) 
    fprintf(fp, ":logic QF_RDL\n"); 

  for(i = 0; i < sm->bvarArr->size; i++) {
    bvar = (smtBvar_t *) sm->bvarArr->space[i];
    if (vflags[bvar->id] && 
	!(bvar->flag & BTRUE_MASK) && !(bvar->flag & BFALSE_MASK) )
      fprintf(fp, "  :extrapreds ((%s))\n", bvar->name);
  }
  
  for(i = 0; i < sm->nvarArr->size; i++) {
    nvar = (smtNvar_t *) sm->nvarArr->space[i];
    if (sm->flag & LIA_MASK || sm->flag & IDL_MASK)
      fprintf(fp, "  :extrafuns ((%s Int))\n", nvar->name);
    else if (sm->flag & LRA_MASK || sm->flag & RDL_MASK)
      fprintf(fp, "  :extrafuns ((%s Real))\n", nvar->name);
  }

  fprintf(fp, ":formula\n");

  fprintf(fp, "( and\n");

  for(i = 0; i < arr->size; i++) {
    c = (satClause_t *)arr->space[i];
    csize = SATSizeClause(c);
    for(j = 0, str_a = 0; j < csize; j++) {
      lit = c->lits[j];
      v = lit >> 1;
#if 1
      if((cm->values[v] ^ (lit&1)) == 1) {
	if (str_a) { /* satisfied clause */
	  free(str_a);
	  str_a = 0;
	}
	break;
      } /* cm->values[v] can be somehow 64, 85, ... */
      else if (cm->values[v] == 1 || cm->values[v] == 0) {
       	continue; /* unsat lit in clause : remove lit in clause */
      }
#endif
      v = lit&1 ? -v : v;

      if (v > 0) {
	id = (int) v;

	if (id > sm->avarArr->size) {
	  bvar = (smtBvar_t *) sm->id2var->space[id];
	  str_b = str_a; 
	  if (str_a) 
	    str_a = util_strcat3(str_a, bvar->name, " ");
	  else 
	    str_a = util_strcat3("", bvar->name, " ");
	  if (str_b) free(str_b);
	} else {
	  avar = (smtAvar_t *) sm->id2var->space[id];
	  str_b = str_a;
	  if (str_a) 
	    str_a = util_strcat3(str_a, avar->name, " ");
	  else 
	    str_a = util_strcat3("", avar->name, " ");
	  if (str_b) free(str_b);
	}
      } else {
	id = (int) -v;

	if (id > sm->avarArr->size) {
	  bvar = (smtBvar_t *) sm->id2var->space[id];
	  str_b = str_a;
	  if (str_a) 
	    str_a = util_strcat3(str_a, "(not ", bvar->name);
	  else
	    str_a = util_strcat3("", "(not ", bvar->name);
	  if (str_b) free(str_b);
	  str_b = str_a;
	  str_a = util_strcat3(str_a, ") ", "");
	  if (str_b) free(str_b);
	} else {
	  avar = (smtAvar_t *) sm->id2var->space[id];
	  str_b = str_a;
	  if (str_a)
	    str_a = util_strcat3(str_a, "(not ", avar->name);
	  else
	    str_a = util_strcat3("", "(not ", avar->name);
	  if (str_b) free(str_b);
	  str_b = str_a;
	  str_a = util_strcat3(str_a, ") ", "");
	  if (str_b) free(str_b);
	}
      }
    }

    if (str_a) {
      str_b = util_strcat3("( or ", str_a, " )\n");
      fprintf(fp, "%s", str_b);
      free(str_a);
      free(str_b);
    } 
  }
  
  /* require assigned predicates */
  for(i = 0; i < sm->avarArr->size; i++) {
    avar = (smtAvar_t *) sm->avarArr->space[i];
    id = avar->id;
    value = cm->values[id];
    if (value == 1) 
      fprintf(fp, "%s\n", avar->name);
    else if (value == 0)
      fprintf(fp, "(not %s)\n", avar->name);
  }
#if 0
  for(i = 0; i < sm->bvarArr->size; i++) {
    bvar = (smtBvar_t *) sm->bvarArr->space[i];
    id = bvar->id;
    value = cm->values[id];
    if (value == 1) 
      fprintf(fp, "%s\n", bvar->name);
    else if (value == 0)
      fprintf(fp, "(not %s)\n", bvar->name);
  }
#endif
  fprintf(fp, "))");

  fclose(fp);

  free(filename);

  free(vflags);
}

void
smt_print_cnf_to_dimcas_file(smtManager_t * sm)
{
  FILE * fp;
  smtCls_t * cls;
  smtAvar_t * avar;
  smtBvar_t * bvar;
  satArray_t * clsArr = sm->clsArr;
  char * filename;
  int id, lit, i, j;

  if (sm->clsArr->size == 0) return;
  
  if (sm->filename)  
    filename = util_strcat3(sm->filename, ".cnf", "");
  else
    return;
    
  fp = fopen(filename, "w");

  fprintf(fp, "p cnf %ld %ld\n", sm->id2var->size, sm->clsArr->size);

  for(i = 0; i < sm->bvarArr->size; i++) {
    bvar = (smtBvar_t *) sm->bvarArr->space[i];
    fprintf(fp, "c %d:((%s))\n", bvar->id, bvar->name);
  }
  for(i = 0; i < sm->avarArr->size; i++) {
    avar = (smtAvar_t *) sm->avarArr->space[i];
    fprintf(fp, "c %d:((%s))\n", avar->id, avar->name);
  }

  for(i = 0; i < clsArr->size; i++) {
    cls = (smtCls_t *) clsArr->space[i];
    for(j = 0; j < cls->litArr->size; j++) {
      lit = cls->litArr->space[j];
      if (lit > 0) {
	id = lit;
	if (id > sm->avarArr->size) {
	  bvar = (smtBvar_t *) sm->id2var->space[id];
	  fprintf(fp, "%d ", bvar->id);
	} else {
	  avar = (smtAvar_t *) sm->id2var->space[id];
	  fprintf(fp, "%d ", avar->id);
	}
      } else {
	id = -lit;
	if (id > sm->avarArr->size) {
	  bvar = (smtBvar_t *) sm->id2var->space[id];
	  fprintf(fp, "%d ", -bvar->id);
	} else {
	  avar = (smtAvar_t *) sm->id2var->space[id];
	  fprintf(fp, "%d ", -avar->id);
	}
      }
    }
    
    fprintf(fp, "0\n");
  }
  
  fclose(fp);

  free(filename);
}

void
smt_print_fml_to_smt_file(smtManager_t * sm, smtFml_t * fml, int index)
{
  FILE * fp;
  smtBvar_t * bvar;
  smtNvar_t * nvar;
  satArray_t * bvarArr;
  char * filename, * num, * str;
  int i;

  if (sm->filename) { 
    num = (char *) malloc(sizeof(char) * 10);
    memset(num, 0, sizeof(char) * 10);
    sprintf(num, ".%d", index);
    filename = util_strcat3(sm->filename, num, ".sub_fml.smt");
    free(num);
  } else
    return;
    
  fp = fopen(filename, "w");

  fprintf(fp, "(benchmark %s\n", filename);
  fprintf(fp, ":source {\n");
  fprintf(fp, "SMT Formula is translated by Hyondeuk Kim in CNF SMT-LIB format benchmark\n");
  fprintf(fp, "}\n");
  fprintf(fp, ":status unknown\n");

  if (sm->flag & LIA_MASK) 
    fprintf(fp, ":logic QF_LIA\n"); 
  else if (sm->flag & LRA_MASK) 
    fprintf(fp, ":logic QF_LRA\n"); 
  else if (sm->flag & IDL_MASK) 
    fprintf(fp, ":logic QF_IDL\n"); 
  else if (sm->flag & RDL_MASK) 
    fprintf(fp, ":logic QF_RDL\n"); 
 
  bvarArr = smt_gather_bvar_in_fml(sm, fml);
  
  for(i = 0; i < bvarArr->size; i++) {
    bvar = (smtBvar_t *) bvarArr->space[i];
    fprintf(fp, "  :extrapreds ((%s))\n", bvar->name);
  }
  
  for(i = 0; i < sm->nvarArr->size; i++) {
    nvar = (smtNvar_t *) sm->nvarArr->space[i];
    if (sm->flag & LIA_MASK || sm->flag & IDL_MASK)
      fprintf(fp, "  :extrafuns ((%s Int))\n", nvar->name);
    else if (sm->flag & LRA_MASK || sm->flag & RDL_MASK)
      fprintf(fp, "  :extrafuns ((%s Real))\n", nvar->name);
  }

  fprintf(fp, ":formula\n");

  str = smt_convert_fml_to_string(fml);

  fprintf(fp, "%s\n", str);

  fprintf(fp, ")");

  fclose(fp);

  free(filename);
  free(bvarArr);
  free(str);

  return;
}

void
smt_print_fml_to_file(smtManager_t * sm, smtFml_t * fml)
{
  FILE * fp;
  smtBvar_t * bvar;
  smtNvar_t * nvar;
  satArray_t * bvarArr = 0;
  char * filename;
  int i;

  if (sm->filename)  
    filename = util_strcat3(sm->filename, ".sub_fml.smt", "");
  else
    return;
    
  fp = fopen(filename, "w");

  fprintf(fp, "(benchmark %s\n", filename);
  fprintf(fp, ":source {\n");
  fprintf(fp, "SMT Formula is translated by Hyondeuk Kim in CNF SMT-LIB format benchmark\n");
  fprintf(fp, "}\n");
  fprintf(fp, ":status unknown\n");

  if (sm->flag & LIA_MASK) 
    fprintf(fp, ":logic QF_LIA\n"); 
  else if (sm->flag & LRA_MASK) 
    fprintf(fp, ":logic QF_LRA\n"); 
  else if (sm->flag & IDL_MASK) 
    fprintf(fp, ":logic QF_IDL\n"); 
  else if (sm->flag & RDL_MASK) 
    fprintf(fp, ":logic QF_RDL\n"); 
 
  for(i = 0; i < bvarArr->size; i++) {
    bvar = (smtBvar_t *) bvarArr->space[i];
    fprintf(fp, "  :extrapreds ((%s))\n", bvar->name);
  }
  
  for(i = 0; i < sm->nvarArr->size; i++) {
    nvar = (smtNvar_t *) sm->nvarArr->space[i];
    if (sm->flag & LIA_MASK || sm->flag & IDL_MASK)
      fprintf(fp, "  :extrafuns ((%s Int))\n", nvar->name);
    else if (sm->flag & LRA_MASK || sm->flag & RDL_MASK)
      fprintf(fp, "  :extrafuns ((%s Real))\n", nvar->name);
  }

  fprintf(fp, ":formula\n");

  fprintf(fp, "%s\n", smt_convert_fml_to_string(fml));

  fprintf(fp, ")");

  fclose(fp);

  free(filename);
}

void
smt_print_aig_to_dot_file(Aig_Manager_t * bm)
{
  FILE *fp;

  fp = fopen("aig.dot", "w");
  Aig_PrintDot(fp, bm);

  fclose(fp);
}

void
smt_print_lit_in_array(smtManager_t * sm, satArray_t * litArr)
{
  satManager_t * cm = sm->cm;
  smtAvar_t * avar;
  int lit, id;
  int i;

  for(i = 0; i < litArr->size; i++) {
    lit = litArr->space[i];
    id = (lit > 0) ? lit : -lit;
    avar = (smtAvar_t *) sm->id2var->space[id];
    if (avar) {
      if (lit>0) fprintf(stdout, "%d:%s:flag:%d:level:%ld\n", 
			 avar->id, avar->name, avar->flag, cm->levels[id]);
      else if(lit<0) fprintf(stdout, "%d:!%s:flag:%d:level:%ld\n", 
			     avar->id, avar->name, avar->flag,
			     cm->levels[id]);
      else fprintf(stdout, "ERROR: %d:?%s:flag:%d:level:%ld\n", 
		   avar->id, avar->name, avar->flag, cm->levels[id]);
    }    
  }
}

void
smt_print_lit_in_array_hor(smtManager_t * sm, satArray_t * litArr)
{
  satManager_t * cm = sm->cm;
  smtAvar_t * avar;
  int lit, id;
  int i;

  for(i = 0; i < litArr->size; i++) {
    lit = litArr->space[i];
    id = (lit > 0) ? lit : -lit;
    avar = (smtAvar_t *) sm->id2var->space[id];
    if (avar) {
      if (lit>0) fprintf(stdout, "%d ", avar->id);
      else if(lit<0) fprintf(stdout, "%d ", avar->id);
      else fprintf(stdout, "ERROR: %d:?%s:flag:%d:level:%ld\n", 
		   avar->id, avar->name, avar->flag, cm->levels[id]);
    }
  }
  if (litArr->size) fprintf(stdout, "\n");
}

void
smt_print_sat_lit_in_array(smtManager_t * sm, satArray_t * litArr)
{
  satManager_t * cm = sm->cm;
  smtAvar_t * avar;
  int lit, id;
  int i;

  for(i = 0; i < litArr->size; i++) {
    lit = litArr->space[i];
    id = lit >> 1;
    avar = (smtAvar_t *) sm->id2var->space[id];
    if (avar) {
      if (lit % 2 == 1) 
	fprintf(stdout, "%d:%s:flag:%d:level:%ld\n", 
		avar->id, avar->name, avar->flag, cm->levels[id]);
      else if(lit % 2 == 0) fprintf(stdout, "%d:!%s:flag:%d:level:%ld\n", 
				    avar->id, avar->name, avar->flag,
				    cm->levels[id]);
      else fprintf(stdout, "ERROR: %d:?%s:flag:%d:level:%ld\n", 
		   avar->id, avar->name, avar->flag, cm->levels[id]);
    }    
  }
}


void
smt_print_idl_digraph_to_dot_file(smtGraph_t * G, char * filename)
{
  FILE * fp;
  smtVertex_t * src, * dest;
  smtEdge_t * e;
  smtNvar_t * rnvar, * lnvar;
  int i;

  fp = fopen(filename, "w");
  fprintf(fp, "digraph \"G\" {\n");
  fprintf(fp, "  rotate=90;\n");
  fprintf(fp, "  margin=0.5;\n");
  fprintf(fp, "  label=\"G\";\n");
  fprintf(fp, "  size=\"10, 7, 5\";\n");

  for(i = 0; i < G->esize; i++) {
    e = &(G->eHead[i]);
    src = e->src;
    dest = e->dest;
    rnvar = (smtNvar_t *) G->nvarArr->space[src->index];
    lnvar = (smtNvar_t *) G->nvarArr->space[dest->index];
    
    if(G->paths[dest->index] == src) 
      fprintf(fp, " \"%d.%s:%d\" -> \"%d.%s:%d\" [color = red, label=\"%g\"];\n",
	      src->index, rnvar->name, G->idists[src->index], dest->index, 
	      lnvar->name, G->idists[dest->index], e->weight);
    else 
      fprintf(fp, " \"%d.%s:%d\" -> \"%d.%s:%d\" [color = black, label=\"%g\"];\n",
	      src->index, rnvar->name, G->idists[src->index], dest->index, 
	      lnvar->name, G->idists[dest->index], e->weight);
  }
  
  fprintf(fp, "}\n");
  fclose(fp);
}

void
smt_print_rdl_digraph_to_dot_file(smtGraph_t * G, char * filename)
{
  FILE * fp;
  smtVertex_t * src, * dest;
  smtEdge_t * e;
  smtNvar_t * rnvar, * lnvar;
  int i;

  fp = fopen(filename, "w");
  fprintf(fp, "digraph \"G\" {\n");
  fprintf(fp, "  rotate=90;\n");
  fprintf(fp, "  margin=0.5;\n");
  fprintf(fp, "  label=\"G\";\n");
  fprintf(fp, "  size=\"10, 7, 5\";\n");

  for(i = 0; i < G->esize; i++) {
    e = &(G->eHead[i]);
    src = e->src;
    dest = e->dest;
    rnvar = (smtNvar_t *) G->nvarArr->space[src->index];
    lnvar = (smtNvar_t *) G->nvarArr->space[dest->index];
    
    if(G->paths[dest->index] == src) 
      fprintf(fp, " \"%d.%s:%g\" -> \"%d.%s:%g\" [color = red, label=\"%g\"];\n",
	      src->index, rnvar->name, G->rdists[src->index], dest->index, 
	      lnvar->name, G->rdists[dest->index], e->weight);
    else 
      fprintf(fp, " \"%d.%s:%g\" -> \"%d.%s:%g\" [color = black, label=\"%g\"];\n",
	      src->index, rnvar->name, G->rdists[src->index], dest->index, 
	      lnvar->name, G->rdists[dest->index], e->weight);
  }
  
  fprintf(fp, "}\n");
  fclose(fp);
}

void
smt_print_variable_to_smt_file(smtManager_t * sm, FILE * fp)
{
  smtBvar_t * bvar;
  smtNvar_t * nvar;
  int i;

  for(i = 0; i < sm->bvarArr->size; i++) {
    bvar = (smtBvar_t *) sm->bvarArr->space[i];
    if (! strcmp(bvar->name, "true") || ! strcmp(bvar->name, "false")) 
      continue;
    fprintf(fp, ":extrapreds ((%s))\n", bvar->name);
  }

  for(i = 0; i < sm->nvarArr->size; i++) {
    nvar = (smtNvar_t *) sm->nvarArr->space[i];
    if (sm->flag & RDL_MASK)
      fprintf(fp, ":extrafuns ((%s Real))\n", nvar->name);
    else if (sm->flag & IDL_MASK || sm->flag & LIA_MASK)
      fprintf(fp, ":extrafuns ((%s Int))\n", nvar->name);
  }
}

void
smt_print_equation_in_tableau(smtManager_t * sm) 
{
  double * tab = sm->tab;
  smtNvar_t * nvar;
  double coeff;
  int col, num_col, index;
  int i, j;
  
  num_col = sm->tab_nvars->size;

  for(i = 0; i < sm->basics->size; i++) {
    fprintf(stdout, "row_%d:", i+1);
    for(j = 0; j < sm->tab_nvars->size; j++) {
      nvar = (smtNvar_t *) sm->tab_nvars->space[j];
      col = nvar->id;
      index = i * num_col + col;
      coeff = tab[index];
      if (coeff <= 0 && coeff >= 0) continue;
      if (nvar->flag & BASIC_MASK) 
	fprintf(stdout, "(%g*%s)(%d) ", coeff, nvar->name, col);
      else
	fprintf(stdout, "%g*%s(%d) ", coeff, nvar->name, col);
    }
    fprintf(stdout, "\n");
  }

  return;
}

void
smt_report_result(smtManager_t * sm, int is_model)
{
  satManager_t * cm = sm->cm;
  
  if (sm->flag & IDL_MASK || sm->flag & RDL_MASK) {
    smt_dl_report_result(sm);
    
    /* print solution */
    if (cm->status == 1 && is_model) {
      if (sm->flag & MP_CONST_MASK)
	smt_mp_print_solution(sm);
      else
	smt_print_solution(sm);
    }
  }
}

void
smt_dl_report_intermediate_result(smtManager_t * sm)
{
  fprintf(stdout, "rate of bellman-ford conflict : %10g/%g\n", 
	  sm->stats->num_bf_conf, sm->stats->num_bf_call);
  fprintf(stdout, "rate of simple theory propagation : %10g/%g\n", 
	  sm->stats->num_simp_tprop, sm->stats->num_simp_tprop_call);
  fprintf(stdout, "rate of theory propagation : %10g/%g\n", 
	  sm->stats->num_tprop, sm->stats->num_tprop_call);
  fprintf(stdout, "\n");

  return;
}

void
smt_dl_report_result(smtManager_t * sm)
{
  satManager_t * cm = sm->cm;

  if (cm) {
    if(cm->status == 0) fprintf(stdout, "unsat\n");
    else if(cm->status == 1) fprintf(stdout, "sat\n");
    else fprintf(stdout, "unknown\n");
  } else {
    /*fprintf(stdout, "unknown\n");*/
    if (sm->obj == Aig_One) fprintf(stdout, "sat\n");
    else if (sm->obj == Aig_Zero) fprintf(stdout, "unsat\n");
  }

  fprintf(stdout, "# of clauses : %10ld\n", 
	  sm->clsArr->size - (long) sm->stats->num_static_cls);
  fprintf(stdout, "# of bool vars : %10ld\n", 
	  sm->bvarArr->size + (long) sm->stats->num_inter_bvar);
  fprintf(stdout, "# of atoms : %10ld\n", 
	  sm->avarArr->size - (long) sm->stats->num_static_pred);
  fprintf(stdout, "rate of bellman-ford conflict : %10g/%g\n", 
	  sm->stats->num_bf_conf, sm->stats->num_bf_call);
  fprintf(stdout, "rate of simple theory propagation : %10g/%g\n", 
	  sm->stats->num_simp_tprop, sm->stats->num_simp_tprop_call);
  fprintf(stdout, "rate of theory propagation : %10g/%g\n", 
	  sm->stats->num_tprop, sm->stats->num_tprop_call);
  fprintf(stdout, "total solve time : %10g\n", sm->stats->solve_time);

  /*if (cm->status == 1)
    smt_print_solution(sm);*/
  
  return;
}

void
smt_check_result(smtManager_t * sm)
{
  satManager_t * cm = sm->cm;
  int status = 2; 

  if (gvar->status == 2) return;

  if (cm) {
    if (cm->status == 1) 
      status = 1;
    else if (cm->status == 0)
      status = 0;
    else
      status = 2;
  } else if ( !(sm->flag & UNKNOWN_MASK) ) {
    if (sm->flag & SAT_MASK) 
      status = 1;
    else 
      status = 0;
  }
#if 1
  if (status != gvar->status) {
    fprintf(stdout,"ERROR: Wrong result\n");
  } else {
    fprintf(stdout, "Right result\n");
  }
#endif
} 

void
smt_print_unknown(void)
{
  fprintf(stdout, "unknown\n");  
}

char *
smt_convert_atom_to_string(smtAvar_t * avar)
{
  smtNvar_t * nvar;
  double coeff;
  char * str_a, * str_b, * str_c;
  int i;

  str_a = (char *) malloc(sizeof(char) * 100);

  if ( avar->nvars->size == 1) {
    coeff = array_fetch(double, avar->coeffs, 0);
    nvar = (smtNvar_t *) avar->nvars->space[0];
    if ( coeff >= 0 ) {

      if ( avar->constant >= 0 ) 
	sprintf(str_a, "(<= (* %d %s) %d)", 
		(int) coeff, nvar->name, (int) avar->constant);
      else
	sprintf(str_a, "(<= (* %d %s) (~ %d))", 
		(int) coeff, nvar->name, (int) -avar->constant);
      
    } else {

      if ( avar->constant >= 0 ) 
	sprintf(str_a, "(<= (* (~ %d) %s) %d)", 
		(int) -coeff, nvar->name, (int) avar->constant);
      else
	sprintf(str_a, "(<= (* (~ %d) %s) (~ %d))", 
		(int) -coeff, nvar->name, (int) -avar->constant);
      
    }

    str_b = util_strsav(str_a);
    free(str_a);

    return str_b;
  }

  str_b = util_strsav("(<= (+ ");
    
  for(i = 0; i < avar->nvars->size; i++) { 
    coeff = array_fetch(double, avar->coeffs, i);
    nvar = (smtNvar_t *) avar->nvars->space[i];
    if ( coeff > 0 )
      sprintf(str_a, "(* %d %s) ", (int) coeff, nvar->name); /* a, b, c */
    else
      sprintf(str_a, "(* (~ %d) %s) ", (int) -coeff, nvar->name); /* a, b, c */
    
    str_c = str_b;
    str_b = util_strcat3(str_b, str_a, "");
    free(str_c);
  }
  
  if ( avar->constant >= 0 ) 
    sprintf(str_a, "%d)", (int) avar->constant);
  else
    sprintf(str_a, "(~ %d))", (int) -avar->constant);


  str_c = util_strcat3(str_b, ") ", str_a);

  
  free(str_a);
  free(str_b);
  
  return str_c;
}

int
smt_check_solution(smtManager_t * sm)
{
  smtAvar_t * avar;
  smtNvar_t * lnvar, * rnvar;
  double weight;
  int id, i;

  for(i = 0; i < sm->avarArr->size; i++) {
    avar = (smtAvar_t *) sm->avarArr->space[i];
    id = avar->id;
    assert(sm->avalues[id] != 2);
    /*if (sm->avalues[id] == 2) continue;*/
    
    if (sm->avalues[id] == 1) {
      lnvar = (smtNvar_t *) avar->nvars->space[0];
      rnvar = (smtNvar_t *) avar->nvars->space[1];
      weight = avar->constant;
    } else {
      lnvar = (smtNvar_t *) avar->nvars->space[1];
      rnvar = (smtNvar_t *) avar->nvars->space[0];
      weight = -avar->constant - sm->epsilon;
    }

    if (sm->flag & IDL_MASK) {
      if (sm->ivalues[lnvar->id-1] - sm->ivalues[rnvar->id-1] > weight) {
	fprintf(stdout, "unknown\n");
	exit(0);      
      }
    } else if (sm->flag & RDL_MASK) {
      
      weight = weight + sm->epsilonless;
      
      if (sm->rvalues[lnvar->id-1] - sm->rvalues[rnvar->id-1] > weight) {
	fprintf(stdout, "unknown\n");
	exit(0);      
      }
    }
  }
  
  return 1;
}

int
smt_mp_check_solution(smtManager_t * sm)
{
  smtMp_t * mp = sm->mp;
  mpq_t * pool = mp->pool;
  mpq_t * tmp_a = 0, * weight = 0, * diff = 0;
  smtAvar_t * avar;
  smtNvar_t * lnvar, * rnvar;
  int id, i;

  /* mp vars */
  tmp_a = &pool[2];
  diff = &pool[3];
  weight = &pool[4];

  for(i = 0; i < sm->avarArr->size; i++) {
    avar = (smtAvar_t *) sm->avarArr->space[i];
    id = avar->id;
    assert(sm->avalues[id] != 2);
    /*if (sm->avalues[id] == 2) continue;*/
    
    if (sm->avalues[id] == 1) {
      lnvar = (smtNvar_t *) avar->nvars->space[0];
      rnvar = (smtNvar_t *) avar->nvars->space[1];
      mpq_set(*weight, sm->mp->weights[avar->id]);
    } else {
      lnvar = (smtNvar_t *) avar->nvars->space[1];
      rnvar = (smtNvar_t *) avar->nvars->space[0];
      weight = &sm->mp->weights[avar->id];
      mpq_set(*weight, sm->mp->weights[avar->id]);
      mpq_neg(*weight, *weight);
      mpq_set_d(*tmp_a, sm->epsilon);
      mpq_sub(*weight, *weight, *tmp_a);
    }

    mpq_sub(*diff, sm->mp->values[lnvar->id-1], sm->mp->values[rnvar->id-1]);

    if ( mpq_cmp(*diff, *weight) > 0 ) {
      fprintf(stdout, "unknown\n");
      exit(0);      
    }
  }
  
  return 1;
}


void
smt_print_solution(smtManager_t * sm)
{
  satManager_t * cm = sm->cm;
  smtBvar_t * bvar;
  smtAvar_t * avar;
  smtNvar_t * nvar, * lnvar, * rnvar;
  double weight;
  long num_bvar;
  int i;

  num_bvar = sm->bvarArr->size - sm->stats->num_inter_bvar;
  
  for(i = 0; i < num_bvar; i++) {
    bvar = (smtBvar_t *) sm->bvarArr->space[i];
    if (cm->values[SATVar(bvar->id)] == 1)
      fprintf(stdout, "%s = true\n", bvar->name);
    else if (cm->values[SATVar(bvar->id)] == 0)
      fprintf(stdout, "%s = false\n", bvar->name);
    else
      fprintf(stdout, "%s = unknown\n", bvar->name);
  }

  for(i = 0; i < sm->avarArr->size; i++) {
    avar = (smtAvar_t *) sm->avarArr->space[i];
    if (cm->values[SATVar(avar->id)] == 1)
      fprintf(stdout, "%s = true\n", avar->name);
    else if (cm->values[SATVar(avar->id)] == 0)
      fprintf(stdout, "%s = false\n", avar->name);
    else {
      lnvar = (smtNvar_t *) avar->nvars->space[0];
      rnvar = (smtNvar_t *) avar->nvars->space[1];
      weight = avar->constant;
      
      if (sm->flag & IDL_MASK) {
	if (sm->ivalues[lnvar->id-1] - sm->ivalues[rnvar->id-1] <= weight)
	  fprintf(stdout, "%s = true\n", avar->name);
	else
	  fprintf(stdout, "%s = false\n", avar->name);
      } else if (sm->flag & RDL_MASK) {
	weight = weight + sm->epsilonless;
	if (sm->rvalues[lnvar->id-1] - sm->rvalues[rnvar->id-1] <= weight) 
	  fprintf(stdout, "%s = true\n", avar->name);
	else
	  fprintf(stdout, "%s = false\n", avar->name);
      }
    }
  }

  for(i = 0; i < sm->nvarArr->size; i++) {
    nvar = (smtNvar_t *) sm->nvarArr->space[i];
    if (sm->flag & IDL_MASK) 
      fprintf(stdout, "%s = %d\n", nvar->name, sm->ivalues[nvar->id-1]);
    else if (sm->flag & RDL_MASK) 
      fprintf(stdout, "%s = %g\n", nvar->name, sm->rvalues[nvar->id-1]);
  }

}

void
smt_mp_print_solution(smtManager_t * sm)
{
  satManager_t * cm = sm->cm;
  smtBvar_t * bvar;
  smtAvar_t * avar;
  smtNvar_t * nvar;
  long num_bvar;
  int i;

  num_bvar = sm->bvarArr->size - sm->stats->num_inter_bvar;
  
  for(i = 0; i < num_bvar; i++) {
    bvar = (smtBvar_t *) sm->bvarArr->space[i];
    if (cm->values[SATVar(bvar->id)] == 1)
      fprintf(stdout, "%s = true\n", bvar->name);
    else if (cm->values[SATVar(bvar->id)] == 0)
      fprintf(stdout, "%s = false\n", bvar->name);
    else
      fprintf(stdout, "%s = unknown\n", bvar->name);
  }

  for(i = 0; i < sm->avarArr->size; i++) {
    avar = (smtAvar_t *) sm->avarArr->space[i];
    if (cm->values[SATVar(avar->id)] == 1)
      fprintf(stdout, "%s = true\n", avar->name);
    else if (cm->values[SATVar(avar->id)] == 0)
      fprintf(stdout, "%s = false\n", avar->name);
        
  }

  for(i = 0; i < sm->nvarArr->size; i++) {
    nvar = (smtNvar_t *) sm->nvarArr->space[i];
    gmp_printf("%s = %#Qd\n", nvar->name, sm->mp->values[nvar->id-1]);
  }
}

#endif