TSTP Solution File: KRS126+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : KRS126+1 : TPTP v8.1.0. Released v3.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n017.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 13:01:12 EDT 2022

% Result   : Unsatisfiable 1.68s 1.88s
% Output   : Refutation 1.68s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :    5
% Syntax   : Number of clauses     :    9 (   5 unt;   0 nHn;   9 RR)
%            Number of literals    :   13 (   0 equ;   5 neg)
%            Maximal clause size   :    2 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    5 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :    2 (   2 usr;   1 con; 0-1 aty)
%            Number of variables   :    5 (   1 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(3,axiom,
    ( ~ cUnsatisfiable(A)
    | cd1xcomp(A) ),
    file('KRS126+1.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ cUnsatisfiable(A)
    | cd1(A) ),
    file('KRS126+1.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ cd1(A)
    | ra_Px2(A,dollar_f3(A)) ),
    file('KRS126+1.p',unknown),
    [] ).

cnf(11,axiom,
    ( ~ cd1xcomp(A)
    | ~ ra_Px2(A,B) ),
    file('KRS126+1.p',unknown),
    [] ).

cnf(18,axiom,
    cUnsatisfiable(i2003_11_14_17_22_23554),
    file('KRS126+1.p',unknown),
    [] ).

cnf(19,plain,
    cd1(i2003_11_14_17_22_23554),
    inference(hyper,[status(thm)],[18,4]),
    [iquote('hyper,18,4')] ).

cnf(20,plain,
    cd1xcomp(i2003_11_14_17_22_23554),
    inference(hyper,[status(thm)],[18,3]),
    [iquote('hyper,18,3')] ).

cnf(21,plain,
    ra_Px2(i2003_11_14_17_22_23554,dollar_f3(i2003_11_14_17_22_23554)),
    inference(hyper,[status(thm)],[19,9]),
    [iquote('hyper,19,9')] ).

cnf(22,plain,
    $false,
    inference(hyper,[status(thm)],[21,11,20]),
    [iquote('hyper,21,11,20')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : KRS126+1 : TPTP v8.1.0. Released v3.1.0.
% 0.03/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n017.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 02:56:18 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.68/1.88  ----- Otter 3.3f, August 2004 -----
% 1.68/1.88  The process was started by sandbox2 on n017.cluster.edu,
% 1.68/1.88  Wed Jul 27 02:56:18 2022
% 1.68/1.88  The command was "./otter".  The process ID is 25603.
% 1.68/1.88  
% 1.68/1.88  set(prolog_style_variables).
% 1.68/1.88  set(auto).
% 1.68/1.88     dependent: set(auto1).
% 1.68/1.88     dependent: set(process_input).
% 1.68/1.88     dependent: clear(print_kept).
% 1.68/1.88     dependent: clear(print_new_demod).
% 1.68/1.88     dependent: clear(print_back_demod).
% 1.68/1.88     dependent: clear(print_back_sub).
% 1.68/1.88     dependent: set(control_memory).
% 1.68/1.88     dependent: assign(max_mem, 12000).
% 1.68/1.88     dependent: assign(pick_given_ratio, 4).
% 1.68/1.88     dependent: assign(stats_level, 1).
% 1.68/1.88     dependent: assign(max_seconds, 10800).
% 1.68/1.88  clear(print_given).
% 1.68/1.88  
% 1.68/1.88  formula_list(usable).
% 1.68/1.88  all X (cowlThing(X)& -cowlNothing(X)).
% 1.68/1.88  all X (xsd_string(X)<-> -xsd_integer(X)).
% 1.68/1.88  all X (cUnsatisfiable(X)->cd1xcomp(X)).
% 1.68/1.88  all X (cUnsatisfiable(X)->cd1(X)).
% 1.68/1.88  all X (cc(X)->cdxcomp(X)).
% 1.68/1.88  all X (cd(X)<-> -(exists Y ra_Px1(X,Y))).
% 1.68/1.88  all X (cdxcomp(X)<-> (exists Y0 ra_Px1(X,Y0))).
% 1.68/1.88  all X (cd1(X)<-> (exists Y0 ra_Px2(X,Y0))).
% 1.68/1.88  all X (cd1xcomp(X)<-> -(exists Y ra_Px2(X,Y))).
% 1.68/1.88  all X (ce3(X)->cc(X)).
% 1.68/1.88  all X (cf(X)->cd(X)).
% 1.68/1.88  cUnsatisfiable(i2003_11_14_17_22_23554).
% 1.68/1.88  end_of_list.
% 1.68/1.88  
% 1.68/1.88  -------> usable clausifies to:
% 1.68/1.88  
% 1.68/1.88  list(usable).
% 1.68/1.88  0 [] cowlThing(X).
% 1.68/1.88  0 [] -cowlNothing(X).
% 1.68/1.88  0 [] -xsd_string(X)| -xsd_integer(X).
% 1.68/1.88  0 [] xsd_string(X)|xsd_integer(X).
% 1.68/1.88  0 [] -cUnsatisfiable(X)|cd1xcomp(X).
% 1.68/1.88  0 [] -cUnsatisfiable(X)|cd1(X).
% 1.68/1.88  0 [] -cc(X)|cdxcomp(X).
% 1.68/1.88  0 [] -cd(X)| -ra_Px1(X,Y).
% 1.68/1.88  0 [] cd(X)|ra_Px1(X,$f1(X)).
% 1.68/1.88  0 [] -cdxcomp(X)|ra_Px1(X,$f2(X)).
% 1.68/1.88  0 [] cdxcomp(X)| -ra_Px1(X,Y0).
% 1.68/1.88  0 [] -cd1(X)|ra_Px2(X,$f3(X)).
% 1.68/1.88  0 [] cd1(X)| -ra_Px2(X,Y0).
% 1.68/1.88  0 [] -cd1xcomp(X)| -ra_Px2(X,Y).
% 1.68/1.88  0 [] cd1xcomp(X)|ra_Px2(X,$f4(X)).
% 1.68/1.88  0 [] -ce3(X)|cc(X).
% 1.68/1.88  0 [] -cf(X)|cd(X).
% 1.68/1.88  0 [] cUnsatisfiable(i2003_11_14_17_22_23554).
% 1.68/1.88  end_of_list.
% 1.68/1.88  
% 1.68/1.88  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=2.
% 1.68/1.88  
% 1.68/1.88  This is a non-Horn set without equality.  The strategy will
% 1.68/1.88  be ordered hyper_res, unit deletion, and factoring, with
% 1.68/1.88  satellites in sos and with nuclei in usable.
% 1.68/1.88  
% 1.68/1.88     dependent: set(hyper_res).
% 1.68/1.88     dependent: set(factor).
% 1.68/1.88     dependent: set(unit_deletion).
% 1.68/1.88  
% 1.68/1.88  ------------> process usable:
% 1.68/1.88  ** KEPT (pick-wt=2): 1 [] -cowlNothing(A).
% 1.68/1.88  ** KEPT (pick-wt=4): 2 [] -xsd_string(A)| -xsd_integer(A).
% 1.68/1.88  ** KEPT (pick-wt=4): 3 [] -cUnsatisfiable(A)|cd1xcomp(A).
% 1.68/1.88  ** KEPT (pick-wt=4): 4 [] -cUnsatisfiable(A)|cd1(A).
% 1.68/1.88  ** KEPT (pick-wt=4): 5 [] -cc(A)|cdxcomp(A).
% 1.68/1.88  ** KEPT (pick-wt=5): 6 [] -cd(A)| -ra_Px1(A,B).
% 1.68/1.88  ** KEPT (pick-wt=6): 7 [] -cdxcomp(A)|ra_Px1(A,$f2(A)).
% 1.68/1.88  ** KEPT (pick-wt=5): 8 [] cdxcomp(A)| -ra_Px1(A,B).
% 1.68/1.88  ** KEPT (pick-wt=6): 9 [] -cd1(A)|ra_Px2(A,$f3(A)).
% 1.68/1.88  ** KEPT (pick-wt=5): 10 [] cd1(A)| -ra_Px2(A,B).
% 1.68/1.88  ** KEPT (pick-wt=5): 11 [] -cd1xcomp(A)| -ra_Px2(A,B).
% 1.68/1.88  ** KEPT (pick-wt=4): 12 [] -ce3(A)|cc(A).
% 1.68/1.88  ** KEPT (pick-wt=4): 13 [] -cf(A)|cd(A).
% 1.68/1.88  
% 1.68/1.88  ------------> process sos:
% 1.68/1.88  ** KEPT (pick-wt=2): 14 [] cowlThing(A).
% 1.68/1.88  ** KEPT (pick-wt=4): 15 [] xsd_string(A)|xsd_integer(A).
% 1.68/1.88  ** KEPT (pick-wt=6): 16 [] cd(A)|ra_Px1(A,$f1(A)).
% 1.68/1.88  ** KEPT (pick-wt=6): 17 [] cd1xcomp(A)|ra_Px2(A,$f4(A)).
% 1.68/1.88  ** KEPT (pick-wt=2): 18 [] cUnsatisfiable(i2003_11_14_17_22_23554).
% 1.68/1.88  
% 1.68/1.88  ======= end of input processing =======
% 1.68/1.88  
% 1.68/1.88  =========== start of search ===========
% 1.68/1.88  
% 1.68/1.88  -------- PROOF -------- 
% 1.68/1.88  
% 1.68/1.88  -----> EMPTY CLAUSE at   0.00 sec ----> 22 [hyper,21,11,20] $F.
% 1.68/1.88  
% 1.68/1.88  Length of proof is 3.  Level of proof is 2.
% 1.68/1.88  
% 1.68/1.88  ---------------- PROOF ----------------
% 1.68/1.88  % SZS status Theorem
% 1.68/1.88  % SZS output start Refutation
% See solution above
% 1.68/1.88  ------------ end of proof -------------
% 1.68/1.88  
% 1.68/1.88  
% 1.68/1.88  Search stopped by max_proofs option.
% 1.68/1.88  
% 1.68/1.88  
% 1.68/1.88  Search stopped by max_proofs option.
% 1.68/1.88  
% 1.68/1.88  ============ end of search ============
% 1.68/1.88  
% 1.68/1.88  -------------- statistics -------------
% 1.68/1.88  clauses given                  7
% 1.68/1.88  clauses generated              4
% 1.68/1.88  clauses kept                  21
% 1.68/1.88  clauses forward subsumed       0
% 1.68/1.88  clauses back subsumed          0
% 1.68/1.88  Kbytes malloced              976
% 1.68/1.88  
% 1.68/1.88  ----------- times (seconds) -----------
% 1.68/1.88  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.68/1.88  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.68/1.88  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.68/1.88  
% 1.68/1.88  That finishes the proof of the theorem.
% 1.68/1.88  
% 1.68/1.88  Process 25603 finished Wed Jul 27 02:56:19 2022
% 1.68/1.88  Otter interrupted
% 1.68/1.88  PROOF FOUND
%------------------------------------------------------------------------------