TSTP Solution File: KRS092+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : KRS092+1 : TPTP v8.1.0. Released v3.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n026.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 13:01:07 EDT 2022

% Result   : Unsatisfiable 1.94s 2.08s
% Output   : Refutation 1.94s
% 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    :   15 (   0 equ;   7 neg)
%            Maximal clause size   :    3 (   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   :    6 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(3,axiom,
    ( ~ cUnsatisfiable(A)
    | rr(A,dollar_f1(A)) ),
    file('KRS092+1.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ cUnsatisfiable(A)
    | ~ rr(A,B)
    | cd(B) ),
    file('KRS092+1.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ cUnsatisfiable(A)
    | ~ rr(A,B)
    | cc(B) ),
    file('KRS092+1.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ cc(A)
    | ~ cd(A) ),
    file('KRS092+1.p',unknown),
    [] ).

cnf(16,axiom,
    cUnsatisfiable(i2003_11_14_17_20_04172),
    file('KRS092+1.p',unknown),
    [] ).

cnf(17,plain,
    rr(i2003_11_14_17_20_04172,dollar_f1(i2003_11_14_17_20_04172)),
    inference(hyper,[status(thm)],[16,3]),
    [iquote('hyper,16,3')] ).

cnf(18,plain,
    cc(dollar_f1(i2003_11_14_17_20_04172)),
    inference(hyper,[status(thm)],[17,6,16]),
    [iquote('hyper,17,6,16')] ).

cnf(19,plain,
    cd(dollar_f1(i2003_11_14_17_20_04172)),
    inference(hyper,[status(thm)],[17,5,16]),
    [iquote('hyper,17,5,16')] ).

cnf(20,plain,
    $false,
    inference(hyper,[status(thm)],[19,9,18]),
    [iquote('hyper,19,9,18')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : KRS092+1 : TPTP v8.1.0. Released v3.1.0.
% 0.03/0.12  % Command  : otter-tptp-script %s
% 0.13/0.33  % Computer : n026.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 300
% 0.13/0.33  % DateTime : Wed Jul 27 03:41:39 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 1.94/2.08  ----- Otter 3.3f, August 2004 -----
% 1.94/2.08  The process was started by sandbox on n026.cluster.edu,
% 1.94/2.08  Wed Jul 27 03:41:39 2022
% 1.94/2.08  The command was "./otter".  The process ID is 9458.
% 1.94/2.08  
% 1.94/2.08  set(prolog_style_variables).
% 1.94/2.08  set(auto).
% 1.94/2.08     dependent: set(auto1).
% 1.94/2.08     dependent: set(process_input).
% 1.94/2.08     dependent: clear(print_kept).
% 1.94/2.08     dependent: clear(print_new_demod).
% 1.94/2.08     dependent: clear(print_back_demod).
% 1.94/2.08     dependent: clear(print_back_sub).
% 1.94/2.08     dependent: set(control_memory).
% 1.94/2.08     dependent: assign(max_mem, 12000).
% 1.94/2.08     dependent: assign(pick_given_ratio, 4).
% 1.94/2.08     dependent: assign(stats_level, 1).
% 1.94/2.08     dependent: assign(max_seconds, 10800).
% 1.94/2.08  clear(print_given).
% 1.94/2.08  
% 1.94/2.08  formula_list(usable).
% 1.94/2.08  all X (cowlThing(X)& -cowlNothing(X)).
% 1.94/2.08  all X (xsd_string(X)<-> -xsd_integer(X)).
% 1.94/2.08  all X (cUnsatisfiable(X)<-> (exists Y (rr(X,Y)&cowlThing(Y)))& (all Y (rr(X,Y)->cd(Y)&cc(Y)))).
% 1.94/2.08  all X (cc(X)-> -cd(X)).
% 1.94/2.08  all X (cc1(X)->cd1(X)).
% 1.94/2.08  all X (cc1(X)-> -cd1(X)).
% 1.94/2.08  all X (ce3(X)->cc(X)).
% 1.94/2.08  all X (cf(X)->cd(X)).
% 1.94/2.08  cUnsatisfiable(i2003_11_14_17_20_04172).
% 1.94/2.08  end_of_list.
% 1.94/2.08  
% 1.94/2.08  -------> usable clausifies to:
% 1.94/2.08  
% 1.94/2.08  list(usable).
% 1.94/2.08  0 [] cowlThing(X).
% 1.94/2.08  0 [] -cowlNothing(X).
% 1.94/2.08  0 [] -xsd_string(X)| -xsd_integer(X).
% 1.94/2.08  0 [] xsd_string(X)|xsd_integer(X).
% 1.94/2.08  0 [] -cUnsatisfiable(X)|rr(X,$f1(X)).
% 1.94/2.08  0 [] -cUnsatisfiable(X)|cowlThing($f1(X)).
% 1.94/2.08  0 [] -cUnsatisfiable(X)| -rr(X,Y)|cd(Y).
% 1.94/2.08  0 [] -cUnsatisfiable(X)| -rr(X,Y)|cc(Y).
% 1.94/2.08  0 [] cUnsatisfiable(X)| -rr(X,X1)| -cowlThing(X1)|rr(X,$f2(X)).
% 1.94/2.08  0 [] cUnsatisfiable(X)| -rr(X,X1)| -cowlThing(X1)| -cd($f2(X))| -cc($f2(X)).
% 1.94/2.08  0 [] -cc(X)| -cd(X).
% 1.94/2.08  0 [] -cc1(X)|cd1(X).
% 1.94/2.08  0 [] -cc1(X)| -cd1(X).
% 1.94/2.08  0 [] -ce3(X)|cc(X).
% 1.94/2.08  0 [] -cf(X)|cd(X).
% 1.94/2.08  0 [] cUnsatisfiable(i2003_11_14_17_20_04172).
% 1.94/2.08  end_of_list.
% 1.94/2.08  
% 1.94/2.08  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=5.
% 1.94/2.08  
% 1.94/2.08  This is a non-Horn set without equality.  The strategy will
% 1.94/2.08  be ordered hyper_res, unit deletion, and factoring, with
% 1.94/2.08  satellites in sos and with nuclei in usable.
% 1.94/2.08  
% 1.94/2.08     dependent: set(hyper_res).
% 1.94/2.08     dependent: set(factor).
% 1.94/2.08     dependent: set(unit_deletion).
% 1.94/2.08  
% 1.94/2.08  ------------> process usable:
% 1.94/2.08  ** KEPT (pick-wt=2): 1 [] -cowlNothing(A).
% 1.94/2.08  ** KEPT (pick-wt=4): 2 [] -xsd_string(A)| -xsd_integer(A).
% 1.94/2.08  ** KEPT (pick-wt=6): 3 [] -cUnsatisfiable(A)|rr(A,$f1(A)).
% 1.94/2.08  ** KEPT (pick-wt=5): 4 [] -cUnsatisfiable(A)|cowlThing($f1(A)).
% 1.94/2.08  ** KEPT (pick-wt=7): 5 [] -cUnsatisfiable(A)| -rr(A,B)|cd(B).
% 1.94/2.08  ** KEPT (pick-wt=7): 6 [] -cUnsatisfiable(A)| -rr(A,B)|cc(B).
% 1.94/2.08  ** KEPT (pick-wt=11): 7 [] cUnsatisfiable(A)| -rr(A,B)| -cowlThing(B)|rr(A,$f2(A)).
% 1.94/2.08  ** KEPT (pick-wt=13): 8 [] cUnsatisfiable(A)| -rr(A,B)| -cowlThing(B)| -cd($f2(A))| -cc($f2(A)).
% 1.94/2.08  ** KEPT (pick-wt=4): 9 [] -cc(A)| -cd(A).
% 1.94/2.08  ** KEPT (pick-wt=4): 10 [] -cc1(A)|cd1(A).
% 1.94/2.08  ** KEPT (pick-wt=4): 11 [] -cc1(A)| -cd1(A).
% 1.94/2.08  ** KEPT (pick-wt=4): 12 [] -ce3(A)|cc(A).
% 1.94/2.08  ** KEPT (pick-wt=4): 13 [] -cf(A)|cd(A).
% 1.94/2.08  9 back subsumes 8.
% 1.94/2.08  
% 1.94/2.08  ------------> process sos:
% 1.94/2.08  ** KEPT (pick-wt=2): 14 [] cowlThing(A).
% 1.94/2.08  ** KEPT (pick-wt=4): 15 [] xsd_string(A)|xsd_integer(A).
% 1.94/2.08  ** KEPT (pick-wt=2): 16 [] cUnsatisfiable(i2003_11_14_17_20_04172).
% 1.94/2.08  14 back subsumes 4.
% 1.94/2.08  
% 1.94/2.08  ======= end of input processing =======
% 1.94/2.08  
% 1.94/2.08  =========== start of search ===========
% 1.94/2.08  
% 1.94/2.08  -------- PROOF -------- 
% 1.94/2.08  
% 1.94/2.08  -----> EMPTY CLAUSE at   0.00 sec ----> 20 [hyper,19,9,18] $F.
% 1.94/2.08  
% 1.94/2.08  Length of proof is 3.  Level of proof is 2.
% 1.94/2.08  
% 1.94/2.08  ---------------- PROOF ----------------
% 1.94/2.08  % SZS status Theorem
% 1.94/2.08  % SZS output start Refutation
% See solution above
% 1.94/2.08  ------------ end of proof -------------
% 1.94/2.08  
% 1.94/2.08  
% 1.94/2.08  Search stopped by max_proofs option.
% 1.94/2.08  
% 1.94/2.08  
% 1.94/2.08  Search stopped by max_proofs option.
% 1.94/2.08  
% 1.94/2.08  ============ end of search ============
% 1.94/2.08  
% 1.94/2.08  -------------- statistics -------------
% 1.94/2.08  clauses given                  6
% 1.94/2.08  clauses generated              5
% 1.94/2.08  clauses kept                  19
% 1.94/2.08  clauses forward subsumed       1
% 1.94/2.08  clauses back subsumed          2
% 1.94/2.08  Kbytes malloced              976
% 1.94/2.08  
% 1.94/2.08  ----------- times (seconds) -----------
% 1.94/2.08  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.94/2.08  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.94/2.08  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.94/2.08  
% 1.94/2.08  That finishes the proof of the theorem.
% 1.94/2.08  
% 1.94/2.08  Process 9458 finished Wed Jul 27 03:41:40 2022
% 1.94/2.08  Otter interrupted
% 1.94/2.08  PROOF FOUND
%------------------------------------------------------------------------------