TSTP Solution File: SYN066+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SYN066+1 : TPTP v8.1.0. Bugfixed v3.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n003.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 13:23:28 EDT 2022

% Result   : Theorem 1.51s 1.68s
% Output   : Refutation 1.51s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    4
% Syntax   : Number of clauses     :    9 (   5 unt;   2 nHn;   3 RR)
%            Number of literals    :   13 (   0 equ;   3 neg)
%            Maximal clause size   :    2 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   1 con; 0-2 aty)
%            Number of variables   :   16 (   8 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(2,axiom,
    ( ~ big_p(dollar_f2(A,B),dollar_f3(A))
    | big_q(dollar_f1(A,B),dollar_f3(A)) ),
    file('SYN066+1.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ big_q(A,B)
    | big_r(C,C) ),
    file('SYN066+1.p',unknown),
    [] ).

cnf(4,axiom,
    ~ big_r(dollar_c1,A),
    file('SYN066+1.p',unknown),
    [] ).

cnf(6,axiom,
    ( big_p(A,B)
    | big_q(dollar_f4(A,B),B) ),
    file('SYN066+1.p',unknown),
    [] ).

cnf(8,plain,
    ( big_p(A,B)
    | big_r(C,C) ),
    inference(hyper,[status(thm)],[6,3]),
    [iquote('hyper,6,3')] ).

cnf(9,plain,
    big_p(A,B),
    inference(hyper,[status(thm)],[8,4]),
    [iquote('hyper,8,4')] ).

cnf(10,plain,
    big_q(dollar_f1(A,B),dollar_f3(A)),
    inference(hyper,[status(thm)],[9,2]),
    [iquote('hyper,9,2')] ).

cnf(11,plain,
    big_r(A,A),
    inference(hyper,[status(thm)],[10,3]),
    [iquote('hyper,10,3')] ).

cnf(12,plain,
    $false,
    inference(binary,[status(thm)],[11,4]),
    [iquote('binary,11.1,4.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SYN066+1 : TPTP v8.1.0. Bugfixed v3.0.0.
% 0.03/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n003.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 11:26:56 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.51/1.68  ----- Otter 3.3f, August 2004 -----
% 1.51/1.68  The process was started by sandbox2 on n003.cluster.edu,
% 1.51/1.68  Wed Jul 27 11:26:56 2022
% 1.51/1.68  The command was "./otter".  The process ID is 7419.
% 1.51/1.68  
% 1.51/1.68  set(prolog_style_variables).
% 1.51/1.68  set(auto).
% 1.51/1.68     dependent: set(auto1).
% 1.51/1.68     dependent: set(process_input).
% 1.51/1.68     dependent: clear(print_kept).
% 1.51/1.68     dependent: clear(print_new_demod).
% 1.51/1.68     dependent: clear(print_back_demod).
% 1.51/1.68     dependent: clear(print_back_sub).
% 1.51/1.68     dependent: set(control_memory).
% 1.51/1.68     dependent: assign(max_mem, 12000).
% 1.51/1.68     dependent: assign(pick_given_ratio, 4).
% 1.51/1.68     dependent: assign(stats_level, 1).
% 1.51/1.68     dependent: assign(max_seconds, 10800).
% 1.51/1.68  clear(print_given).
% 1.51/1.68  
% 1.51/1.68  formula_list(usable).
% 1.51/1.68  all Z exists W all X exists Y ((big_p(X,Z)->big_p(Y,W))&big_p(Y,Z)& (big_p(Y,W)-> (exists U big_q(U,W)))).
% 1.51/1.68  all X Z (-big_p(X,Z)-> (exists Y big_q(Y,Z))).
% 1.51/1.68  (exists X Y big_q(X,Y))-> (all Z big_r(Z,Z)).
% 1.51/1.68  -(all X exists Y big_r(X,Y)).
% 1.51/1.68  end_of_list.
% 1.51/1.68  
% 1.51/1.68  -------> usable clausifies to:
% 1.51/1.68  
% 1.51/1.68  list(usable).
% 1.51/1.68  0 [] -big_p(X,Z)|big_p($f2(Z,X),$f3(Z)).
% 1.51/1.68  0 [] big_p($f2(Z,X),Z).
% 1.51/1.68  0 [] -big_p($f2(Z,X),$f3(Z))|big_q($f1(Z,X),$f3(Z)).
% 1.51/1.68  0 [] big_p(X,Z)|big_q($f4(X,Z),Z).
% 1.51/1.68  0 [] -big_q(X,Y)|big_r(Z,Z).
% 1.51/1.68  0 [] -big_r($c1,Y).
% 1.51/1.68  end_of_list.
% 1.51/1.68  
% 1.51/1.68  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=2.
% 1.51/1.68  
% 1.51/1.68  This is a non-Horn set without equality.  The strategy will
% 1.51/1.68  be ordered hyper_res, unit deletion, and factoring, with
% 1.51/1.68  satellites in sos and with nuclei in usable.
% 1.51/1.68  
% 1.51/1.68     dependent: set(hyper_res).
% 1.51/1.68     dependent: set(factor).
% 1.51/1.68     dependent: set(unit_deletion).
% 1.51/1.68  
% 1.51/1.68  ------------> process usable:
% 1.51/1.68  ** KEPT (pick-wt=9): 1 [] -big_p(A,B)|big_p($f2(B,A),$f3(B)).
% 1.51/1.68  ** KEPT (pick-wt=12): 2 [] -big_p($f2(A,B),$f3(A))|big_q($f1(A,B),$f3(A)).
% 1.51/1.68  ** KEPT (pick-wt=6): 3 [] -big_q(A,B)|big_r(C,C).
% 1.51/1.68  ** KEPT (pick-wt=3): 4 [] -big_r($c1,A).
% 1.51/1.68  
% 1.51/1.68  ------------> process sos:
% 1.51/1.68  ** KEPT (pick-wt=5): 5 [] big_p($f2(A,B),A).
% 1.51/1.68  ** KEPT (pick-wt=8): 6 [] big_p(A,B)|big_q($f4(A,B),B).
% 1.51/1.68  
% 1.51/1.68  ======= end of input processing =======
% 1.51/1.68  
% 1.51/1.68  =========== start of search ===========
% 1.51/1.68  
% 1.51/1.68  -------- PROOF -------- 
% 1.51/1.68  
% 1.51/1.68  ----> UNIT CONFLICT at   0.00 sec ----> 12 [binary,11.1,4.1] $F.
% 1.51/1.68  
% 1.51/1.68  Length of proof is 4.  Level of proof is 4.
% 1.51/1.68  
% 1.51/1.68  ---------------- PROOF ----------------
% 1.51/1.68  % SZS status Theorem
% 1.51/1.68  % SZS output start Refutation
% See solution above
% 1.51/1.68  ------------ end of proof -------------
% 1.51/1.68  
% 1.51/1.68  
% 1.51/1.68  Search stopped by max_proofs option.
% 1.51/1.68  
% 1.51/1.68  
% 1.51/1.68  Search stopped by max_proofs option.
% 1.51/1.68  
% 1.51/1.68  ============ end of search ============
% 1.51/1.68  
% 1.51/1.68  -------------- statistics -------------
% 1.51/1.68  clauses given                  5
% 1.51/1.68  clauses generated              5
% 1.51/1.68  clauses kept                  11
% 1.51/1.68  clauses forward subsumed       0
% 1.51/1.68  clauses back subsumed          6
% 1.51/1.68  Kbytes malloced              976
% 1.51/1.68  
% 1.51/1.68  ----------- times (seconds) -----------
% 1.51/1.68  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.51/1.68  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.51/1.68  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.51/1.68  
% 1.51/1.68  That finishes the proof of the theorem.
% 1.51/1.68  
% 1.51/1.68  Process 7419 finished Wed Jul 27 11:26:58 2022
% 1.51/1.68  Otter interrupted
% 1.51/1.68  PROOF FOUND
%------------------------------------------------------------------------------