TSTP Solution File: SET824-2 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SET824-2 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n027.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Wed Jul 27 13:14:19 EDT 2022

% Result   : Unsatisfiable 1.64s 1.84s
% Output   : Refutation 1.64s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    1
%            Number of leaves      :    2
% Syntax   : Number of clauses     :    3 (   2 unt;   0 nHn;   2 RR)
%            Number of literals    :    4 (   0 equ;   2 neg)
%            Maximal clause size   :    2 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-3 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :    4 (   1 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ c_in(A,B,C)
    | ~ c_in(A,c_uminus(B,tc_set(C)),C) ),
    file('SET824-2.p',unknown),
    [] ).

cnf(2,axiom,
    c_in(v_a,A,tc_IntDef_Oint),
    file('SET824-2.p',unknown),
    [] ).

cnf(3,plain,
    $false,
    inference(hyper,[status(thm)],[2,1,2]),
    [iquote('hyper,2,1,2')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SET824-2 : TPTP v8.1.0. Released v3.2.0.
% 0.11/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n027.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 300
% 0.12/0.33  % DateTime : Wed Jul 27 10:44:22 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.64/1.84  ----- Otter 3.3f, August 2004 -----
% 1.64/1.84  The process was started by sandbox2 on n027.cluster.edu,
% 1.64/1.84  Wed Jul 27 10:44:22 2022
% 1.64/1.84  The command was "./otter".  The process ID is 13229.
% 1.64/1.84  
% 1.64/1.84  set(prolog_style_variables).
% 1.64/1.84  set(auto).
% 1.64/1.84     dependent: set(auto1).
% 1.64/1.84     dependent: set(process_input).
% 1.64/1.84     dependent: clear(print_kept).
% 1.64/1.84     dependent: clear(print_new_demod).
% 1.64/1.84     dependent: clear(print_back_demod).
% 1.64/1.84     dependent: clear(print_back_sub).
% 1.64/1.84     dependent: set(control_memory).
% 1.64/1.84     dependent: assign(max_mem, 12000).
% 1.64/1.84     dependent: assign(pick_given_ratio, 4).
% 1.64/1.84     dependent: assign(stats_level, 1).
% 1.64/1.84     dependent: assign(max_seconds, 10800).
% 1.64/1.84  clear(print_given).
% 1.64/1.84  
% 1.64/1.84  list(usable).
% 1.64/1.84  0 [] -c_in(V_c,V_A,T_a)| -c_in(V_c,c_uminus(V_A,tc_set(T_a)),T_a).
% 1.64/1.84  0 [] c_in(v_a,V_U,tc_IntDef_Oint).
% 1.64/1.84  end_of_list.
% 1.64/1.84  
% 1.64/1.84  SCAN INPUT: prop=0, horn=1, equality=0, symmetry=0, max_lits=2.
% 1.64/1.84  
% 1.64/1.84  This is a Horn set without equality.  The strategy will
% 1.64/1.84  be hyperresolution, with satellites in sos and nuclei
% 1.64/1.84  in usable.
% 1.64/1.84  
% 1.64/1.84     dependent: set(hyper_res).
% 1.64/1.84     dependent: clear(order_hyper).
% 1.64/1.84  
% 1.64/1.84  ------------> process usable:
% 1.64/1.84  ** KEPT (pick-wt=11): 1 [] -c_in(A,B,C)| -c_in(A,c_uminus(B,tc_set(C)),C).
% 1.64/1.84  
% 1.64/1.84  ------------> process sos:
% 1.64/1.84  ** KEPT (pick-wt=4): 2 [] c_in(v_a,A,tc_IntDef_Oint).
% 1.64/1.84  
% 1.64/1.84  ======= end of input processing =======
% 1.64/1.84  
% 1.64/1.84  =========== start of search ===========
% 1.64/1.84  
% 1.64/1.84  -------- PROOF -------- 
% 1.64/1.84  
% 1.64/1.84  -----> EMPTY CLAUSE at   0.00 sec ----> 3 [hyper,2,1,2] $F.
% 1.64/1.84  
% 1.64/1.84  Length of proof is 0.  Level of proof is 0.
% 1.64/1.84  
% 1.64/1.84  ---------------- PROOF ----------------
% 1.64/1.84  % SZS status Unsatisfiable
% 1.64/1.84  % SZS output start Refutation
% See solution above
% 1.64/1.84  ------------ end of proof -------------
% 1.64/1.84  
% 1.64/1.84  
% 1.64/1.84  Search stopped by max_proofs option.
% 1.64/1.84  
% 1.64/1.84  
% 1.64/1.84  Search stopped by max_proofs option.
% 1.64/1.84  
% 1.64/1.84  ============ end of search ============
% 1.64/1.84  
% 1.64/1.84  -------------- statistics -------------
% 1.64/1.84  clauses given                  1
% 1.64/1.84  clauses generated              1
% 1.64/1.84  clauses kept                   2
% 1.64/1.84  clauses forward subsumed       0
% 1.64/1.84  clauses back subsumed          0
% 1.64/1.84  Kbytes malloced              976
% 1.64/1.84  
% 1.64/1.84  ----------- times (seconds) -----------
% 1.64/1.84  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.64/1.84  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.64/1.84  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.64/1.84  
% 1.64/1.84  That finishes the proof of the theorem.
% 1.64/1.84  
% 1.64/1.84  Process 13229 finished Wed Jul 27 10:44:23 2022
% 1.64/1.84  Otter interrupted
% 1.64/1.84  PROOF FOUND
%------------------------------------------------------------------------------