TSTP Solution File: KRS003-1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : KRS003-1 : TPTP v8.1.0. Released v2.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n024.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 13:00:56 EDT 2022

% Result   : Unsatisfiable 1.68s 1.87s
% Output   : Refutation 1.68s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :   10
% Syntax   : Number of clauses     :   18 (  10 unt;   0 nHn;  18 RR)
%            Number of literals    :   28 (   0 equ;  11 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    9 (   8 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   1 con; 0-1 aty)
%            Number of variables   :   10 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( s2least(A)
    | ~ c(A) ),
    file('KRS003-1.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ s2least(A)
    | ~ e_qualish(u1r2(A),u1r1(A)) ),
    file('KRS003-1.p',unknown),
    [] ).

cnf(4,axiom,
    ( s(A,u1r1(A))
    | ~ s2least(A) ),
    file('KRS003-1.p',unknown),
    [] ).

cnf(5,axiom,
    ( s(A,u1r2(A))
    | ~ s2least(A) ),
    file('KRS003-1.p',unknown),
    [] ).

cnf(7,axiom,
    ( s1most(A)
    | ~ d(A) ),
    file('KRS003-1.p',unknown),
    [] ).

cnf(9,axiom,
    ( e_qualish(A,B)
    | ~ s1most(C)
    | ~ s(C,A)
    | ~ s(C,B) ),
    file('KRS003-1.p',unknown),
    [] ).

cnf(11,axiom,
    ( c(A)
    | ~ e(A) ),
    file('KRS003-1.p',unknown),
    [] ).

cnf(12,axiom,
    ( d(A)
    | ~ f(A) ),
    file('KRS003-1.p',unknown),
    [] ).

cnf(15,axiom,
    e(exist),
    file('KRS003-1.p',unknown),
    [] ).

cnf(16,axiom,
    f(exist),
    file('KRS003-1.p',unknown),
    [] ).

cnf(19,plain,
    c(exist),
    inference(hyper,[status(thm)],[15,11]),
    [iquote('hyper,15,11')] ).

cnf(20,plain,
    d(exist),
    inference(hyper,[status(thm)],[16,12]),
    [iquote('hyper,16,12')] ).

cnf(21,plain,
    s2least(exist),
    inference(hyper,[status(thm)],[19,1]),
    [iquote('hyper,19,1')] ).

cnf(22,plain,
    s1most(exist),
    inference(hyper,[status(thm)],[20,7]),
    [iquote('hyper,20,7')] ).

cnf(23,plain,
    s(exist,u1r2(exist)),
    inference(hyper,[status(thm)],[21,5]),
    [iquote('hyper,21,5')] ).

cnf(24,plain,
    s(exist,u1r1(exist)),
    inference(hyper,[status(thm)],[21,4]),
    [iquote('hyper,21,4')] ).

cnf(28,plain,
    e_qualish(u1r2(exist),u1r1(exist)),
    inference(hyper,[status(thm)],[24,9,22,23]),
    [iquote('hyper,24,9,22,23')] ).

cnf(31,plain,
    $false,
    inference(hyper,[status(thm)],[28,3,21]),
    [iquote('hyper,28,3,21')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.11  % Problem  : KRS003-1 : TPTP v8.1.0. Released v2.0.0.
% 0.07/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n024.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 03:34:55 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.68/1.87  ----- Otter 3.3f, August 2004 -----
% 1.68/1.87  The process was started by sandbox2 on n024.cluster.edu,
% 1.68/1.87  Wed Jul 27 03:34:55 2022
% 1.68/1.87  The command was "./otter".  The process ID is 13576.
% 1.68/1.87  
% 1.68/1.87  set(prolog_style_variables).
% 1.68/1.87  set(auto).
% 1.68/1.87     dependent: set(auto1).
% 1.68/1.87     dependent: set(process_input).
% 1.68/1.87     dependent: clear(print_kept).
% 1.68/1.87     dependent: clear(print_new_demod).
% 1.68/1.87     dependent: clear(print_back_demod).
% 1.68/1.87     dependent: clear(print_back_sub).
% 1.68/1.87     dependent: set(control_memory).
% 1.68/1.87     dependent: assign(max_mem, 12000).
% 1.68/1.87     dependent: assign(pick_given_ratio, 4).
% 1.68/1.87     dependent: assign(stats_level, 1).
% 1.68/1.87     dependent: assign(max_seconds, 10800).
% 1.68/1.87  clear(print_given).
% 1.68/1.87  
% 1.68/1.87  list(usable).
% 1.68/1.87  0 [] e(exist).
% 1.68/1.87  0 [] f(exist).
% 1.68/1.87  0 [] s2least(X1)| -c(X1).
% 1.68/1.87  0 [] c(X1)| -s2least(X1).
% 1.68/1.87  0 [] -s2least(X1)| -e_qualish(u1r2(X1),u1r1(X1)).
% 1.68/1.87  0 [] s(X1,u1r1(X1))| -s2least(X1).
% 1.68/1.87  0 [] s(X1,u1r2(X1))| -s2least(X1).
% 1.68/1.87  0 [] s2least(X1)|e_qualish(X3,X2)| -s(X1,X3)| -s(X1,X2).
% 1.68/1.87  0 [] s1most(X1)| -d(X1).
% 1.68/1.87  0 [] d(X1)| -s1most(X1).
% 1.68/1.87  0 [] e_qualish(X3,X2)| -s1most(X1)| -s(X1,X3)| -s(X1,X2).
% 1.68/1.87  0 [] s1most(X1)| -e_qualish(u3r2(X1),u3r1(X1)).
% 1.68/1.87  0 [] s1most(X1)|s(X1,u3r1(X1)).
% 1.68/1.87  0 [] s1most(X1)|s(X1,u3r2(X1)).
% 1.68/1.87  0 [] c(X1)| -e(X1).
% 1.68/1.87  0 [] d(X1)| -f(X1).
% 1.68/1.87  end_of_list.
% 1.68/1.87  
% 1.68/1.87  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=4.
% 1.68/1.87  
% 1.68/1.87  This is a non-Horn set without equality.  The strategy will
% 1.68/1.87  be ordered hyper_res, unit deletion, and factoring, with
% 1.68/1.87  satellites in sos and with nuclei in usable.
% 1.68/1.87  
% 1.68/1.87     dependent: set(hyper_res).
% 1.68/1.87     dependent: set(factor).
% 1.68/1.87     dependent: set(unit_deletion).
% 1.68/1.87  
% 1.68/1.87  ------------> process usable:
% 1.68/1.87  ** KEPT (pick-wt=4): 1 [] s2least(A)| -c(A).
% 1.68/1.87  ** KEPT (pick-wt=4): 2 [] c(A)| -s2least(A).
% 1.68/1.87  ** KEPT (pick-wt=7): 3 [] -s2least(A)| -e_qualish(u1r2(A),u1r1(A)).
% 1.68/1.87  ** KEPT (pick-wt=6): 4 [] s(A,u1r1(A))| -s2least(A).
% 1.68/1.87  ** KEPT (pick-wt=6): 5 [] s(A,u1r2(A))| -s2least(A).
% 1.68/1.87  ** KEPT (pick-wt=11): 6 [] s2least(A)|e_qualish(B,C)| -s(A,B)| -s(A,C).
% 1.68/1.87  ** KEPT (pick-wt=4): 7 [] s1most(A)| -d(A).
% 1.68/1.87  ** KEPT (pick-wt=4): 8 [] d(A)| -s1most(A).
% 1.68/1.87  ** KEPT (pick-wt=11): 9 [] e_qualish(A,B)| -s1most(C)| -s(C,A)| -s(C,B).
% 1.68/1.87  ** KEPT (pick-wt=7): 10 [] s1most(A)| -e_qualish(u3r2(A),u3r1(A)).
% 1.68/1.87  ** KEPT (pick-wt=4): 11 [] c(A)| -e(A).
% 1.68/1.87  ** KEPT (pick-wt=4): 12 [] d(A)| -f(A).
% 1.68/1.87  
% 1.68/1.87  ------------> process sos:
% 1.68/1.87  ** KEPT (pick-wt=2): 15 [] e(exist).
% 1.68/1.87  ** KEPT (pick-wt=2): 16 [] f(exist).
% 1.68/1.87  ** KEPT (pick-wt=6): 17 [] s1most(A)|s(A,u3r1(A)).
% 1.68/1.87  ** KEPT (pick-wt=6): 18 [] s1most(A)|s(A,u3r2(A)).
% 1.68/1.87  
% 1.68/1.87  ======= end of input processing =======
% 1.68/1.87  
% 1.68/1.87  =========== start of search ===========
% 1.68/1.87  
% 1.68/1.87  -------- PROOF -------- 
% 1.68/1.87  
% 1.68/1.87  -----> EMPTY CLAUSE at   0.00 sec ----> 31 [hyper,28,3,21] $F.
% 1.68/1.87  
% 1.68/1.87  Length of proof is 7.  Level of proof is 4.
% 1.68/1.87  
% 1.68/1.87  ---------------- PROOF ----------------
% 1.68/1.87  % SZS status Unsatisfiable
% 1.68/1.87  % SZS output start Refutation
% See solution above
% 1.68/1.87  ------------ end of proof -------------
% 1.68/1.87  
% 1.68/1.87  
% 1.68/1.87  Search stopped by max_proofs option.
% 1.68/1.87  
% 1.68/1.87  
% 1.68/1.87  Search stopped by max_proofs option.
% 1.68/1.87  
% 1.68/1.87  ============ end of search ============
% 1.68/1.87  
% 1.68/1.87  -------------- statistics -------------
% 1.68/1.87  clauses given                 13
% 1.68/1.87  clauses generated             43
% 1.68/1.87  clauses kept                  30
% 1.68/1.87  clauses forward subsumed      28
% 1.68/1.87  clauses back subsumed          0
% 1.68/1.87  Kbytes malloced              976
% 1.68/1.87  
% 1.68/1.87  ----------- times (seconds) -----------
% 1.68/1.87  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.68/1.87  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.68/1.87  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.68/1.87  
% 1.68/1.87  That finishes the proof of the theorem.
% 1.68/1.87  
% 1.68/1.87  Process 13576 finished Wed Jul 27 03:34:56 2022
% 1.68/1.87  Otter interrupted
% 1.68/1.87  PROOF FOUND
%------------------------------------------------------------------------------