TSTP Solution File: SWB002+2 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SWB002+2 : TPTP v8.1.0. Released v5.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n008.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 13:17:35 EDT 2022

% Result   : Theorem 1.70s 1.84s
% Output   : Refutation 1.70s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    1
%            Number of leaves      :    3
% Syntax   : Number of clauses     :    4 (   3 unt;   0 nHn;   4 RR)
%            Number of literals    :    5 (   0 equ;   2 neg)
%            Maximal clause size   :    2 (   1 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-3 aty)
%            Number of functors    :    4 (   4 usr;   4 con; 0-0 aty)
%            Number of variables   :    2 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ iext(uri_ex_p,A,B)
    | ~ iext(uri_ex_q,B,A) ),
    file('SWB002+2.p',unknown),
    [] ).

cnf(2,axiom,
    iext(uri_ex_p,uri_ex_s,dollar_c1),
    file('SWB002+2.p',unknown),
    [] ).

cnf(3,axiom,
    iext(uri_ex_q,dollar_c1,uri_ex_s),
    file('SWB002+2.p',unknown),
    [] ).

cnf(4,plain,
    $false,
    inference(hyper,[status(thm)],[3,1,2]),
    [iquote('hyper,3,1,2')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : SWB002+2 : TPTP v8.1.0. Released v5.2.0.
% 0.07/0.13  % Command  : otter-tptp-script %s
% 0.13/0.35  % Computer : n008.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 300
% 0.13/0.35  % DateTime : Wed Jul 27 02:34:38 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 1.70/1.84  ----- Otter 3.3f, August 2004 -----
% 1.70/1.84  The process was started by sandbox2 on n008.cluster.edu,
% 1.70/1.84  Wed Jul 27 02:34:38 2022
% 1.70/1.84  The command was "./otter".  The process ID is 3223.
% 1.70/1.84  
% 1.70/1.84  set(prolog_style_variables).
% 1.70/1.84  set(auto).
% 1.70/1.84     dependent: set(auto1).
% 1.70/1.84     dependent: set(process_input).
% 1.70/1.84     dependent: clear(print_kept).
% 1.70/1.84     dependent: clear(print_new_demod).
% 1.70/1.84     dependent: clear(print_back_demod).
% 1.70/1.84     dependent: clear(print_back_sub).
% 1.70/1.84     dependent: set(control_memory).
% 1.70/1.84     dependent: assign(max_mem, 12000).
% 1.70/1.84     dependent: assign(pick_given_ratio, 4).
% 1.70/1.84     dependent: assign(stats_level, 1).
% 1.70/1.84     dependent: assign(max_seconds, 10800).
% 1.70/1.84  clear(print_given).
% 1.70/1.84  
% 1.70/1.84  formula_list(usable).
% 1.70/1.84  -(exists BNODE_x BNODE_y (iext(uri_ex_p,BNODE_x,BNODE_y)&iext(uri_ex_q,BNODE_y,BNODE_x))).
% 1.70/1.84  exists BNODE_o (iext(uri_ex_p,uri_ex_s,BNODE_o)&iext(uri_ex_q,BNODE_o,uri_ex_s)).
% 1.70/1.84  end_of_list.
% 1.70/1.84  
% 1.70/1.84  -------> usable clausifies to:
% 1.70/1.84  
% 1.70/1.84  list(usable).
% 1.70/1.84  0 [] -iext(uri_ex_p,BNODE_x,BNODE_y)| -iext(uri_ex_q,BNODE_y,BNODE_x).
% 1.70/1.84  0 [] iext(uri_ex_p,uri_ex_s,$c1).
% 1.70/1.84  0 [] iext(uri_ex_q,$c1,uri_ex_s).
% 1.70/1.84  end_of_list.
% 1.70/1.84  
% 1.70/1.84  SCAN INPUT: prop=0, horn=1, equality=0, symmetry=0, max_lits=2.
% 1.70/1.84  
% 1.70/1.84  This is a Horn set without equality.  The strategy will
% 1.70/1.84  be hyperresolution, with satellites in sos and nuclei
% 1.70/1.84  in usable.
% 1.70/1.84  
% 1.70/1.84     dependent: set(hyper_res).
% 1.70/1.84     dependent: clear(order_hyper).
% 1.70/1.84  
% 1.70/1.84  ------------> process usable:
% 1.70/1.84  ** KEPT (pick-wt=8): 1 [] -iext(uri_ex_p,A,B)| -iext(uri_ex_q,B,A).
% 1.70/1.84  
% 1.70/1.84  ------------> process sos:
% 1.70/1.84  ** KEPT (pick-wt=4): 2 [] iext(uri_ex_p,uri_ex_s,$c1).
% 1.70/1.84  ** KEPT (pick-wt=4): 3 [] iext(uri_ex_q,$c1,uri_ex_s).
% 1.70/1.84  
% 1.70/1.84  ======= end of input processing =======
% 1.70/1.84  
% 1.70/1.84  =========== start of search ===========
% 1.70/1.84  
% 1.70/1.84  -------- PROOF -------- 
% 1.70/1.84  
% 1.70/1.84  -----> EMPTY CLAUSE at   0.00 sec ----> 4 [hyper,3,1,2] $F.
% 1.70/1.84  
% 1.70/1.84  Length of proof is 0.  Level of proof is 0.
% 1.70/1.84  
% 1.70/1.84  ---------------- PROOF ----------------
% 1.70/1.84  % SZS status Theorem
% 1.70/1.84  % SZS output start Refutation
% See solution above
% 1.70/1.84  ------------ end of proof -------------
% 1.70/1.84  
% 1.70/1.84  
% 1.70/1.84  Search stopped by max_proofs option.
% 1.70/1.84  
% 1.70/1.84  
% 1.70/1.84  Search stopped by max_proofs option.
% 1.70/1.84  
% 1.70/1.84  ============ end of search ============
% 1.70/1.84  
% 1.70/1.84  -------------- statistics -------------
% 1.70/1.84  clauses given                  2
% 1.70/1.84  clauses generated              1
% 1.70/1.84  clauses kept                   3
% 1.70/1.84  clauses forward subsumed       0
% 1.70/1.84  clauses back subsumed          0
% 1.70/1.84  Kbytes malloced              976
% 1.70/1.84  
% 1.70/1.84  ----------- times (seconds) -----------
% 1.70/1.84  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.70/1.84  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.70/1.84  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.70/1.84  
% 1.70/1.84  That finishes the proof of the theorem.
% 1.70/1.84  
% 1.70/1.84  Process 3223 finished Wed Jul 27 02:34:40 2022
% 1.70/1.84  Otter interrupted
% 1.70/1.84  PROOF FOUND
%------------------------------------------------------------------------------