%---------------- SGGS v1.0 (IJCAR 2020 submission) ----------------%

------ Parsing...successful


------ Proving...
use I-
not ground preserving

Gamma_0: (extend-no-conflict)
  0: [c_in(v_x(X0),X0,tc_set(t_a))]

Gamma_1: (extend-conflict)
  0: [c_in(v_x(X0),X0,tc_set(t_a))]
  1: [~(c_in(v_x(c_emptyset),c_emptyset,tc_set(t_a)))]

Gamma_2: (move)
  0: [~(c_in(v_x(c_emptyset),c_emptyset,tc_set(t_a)))]
  1: [c_in(v_x(X0),X0,tc_set(t_a))]

Gamma_3: (right-split)
  0: [~(c_in(v_x(c_emptyset),c_emptyset,tc_set(t_a)))]
  1: top(X0) != c_emptyset | [c_in(v_x(c_emptyset),c_emptyset,tc_set(t_a))]
  2: top(X0) != c_emptyset & top(X0) != c_emptyset | [c_in(v_x(X0),X0,
tc_set(t_a))]

Gamma_4: (right-split)
  0: [~(c_in(v_x(c_emptyset),c_emptyset,tc_set(t_a)))]
  1: [c_in(v_x(c_emptyset),c_emptyset,tc_set(t_a))]
  2: top(X0) != c_emptyset & top(X0) != c_emptyset | [c_in(v_x(X0),X0,
tc_set(t_a))]

Gamma_5: (resolve)
  0: [~(c_in(v_x(c_emptyset),c_emptyset,tc_set(t_a)))]
  1: []
  2: top(X0) != c_emptyset & top(X0) != c_emptyset | [c_in(v_x(X0),X0,
tc_set(t_a))]

SZS status Unsatisfiable