TSTP Solution File: KRS002-1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : KRS002-1 : TPTP v8.1.0. Released v2.0.0.
% 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 13:00:56 EDT 2022

% Result   : Unsatisfiable 1.74s 1.93s
% Output   : Refutation 1.74s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :   10
% Syntax   : Number of clauses     :   19 (  10 unt;   0 nHn;  19 RR)
%            Number of literals    :   32 (   0 equ;  14 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    9 (   8 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   1 con; 0-1 aty)
%            Number of variables   :   13 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( s2least(A)
    | ~ c(A) ),
    file('KRS002-1.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ s2least(A)
    | ~ e_qualish(u1r2(A),u1r1(A)) ),
    file('KRS002-1.p',unknown),
    [] ).

cnf(4,axiom,
    ( s(A,u1r1(A))
    | ~ s2least(A) ),
    file('KRS002-1.p',unknown),
    [] ).

cnf(5,axiom,
    ( s(A,u1r2(A))
    | ~ s2least(A) ),
    file('KRS002-1.p',unknown),
    [] ).

cnf(7,axiom,
    ( s1most(A)
    | ~ d(A) ),
    file('KRS002-1.p',unknown),
    [] ).

cnf(9,axiom,
    ( e_qualish(A,B)
    | ~ s1most(C)
    | ~ s(C,A)
    | ~ s(C,B) ),
    file('KRS002-1.p',unknown),
    [] ).

cnf(11,axiom,
    ( r(A,u4r2(A))
    | ~ e(A) ),
    file('KRS002-1.p',unknown),
    [] ).

cnf(12,axiom,
    ( d(A)
    | ~ e(B)
    | ~ r(B,A) ),
    file('KRS002-1.p',unknown),
    [] ).

cnf(13,axiom,
    ( c(A)
    | ~ e(B)
    | ~ r(B,A) ),
    file('KRS002-1.p',unknown),
    [] ).

cnf(18,axiom,
    e(exist),
    file('KRS002-1.p',unknown),
    [] ).

cnf(21,plain,
    r(exist,u4r2(exist)),
    inference(hyper,[status(thm)],[18,11]),
    [iquote('hyper,18,11')] ).

cnf(22,plain,
    c(u4r2(exist)),
    inference(hyper,[status(thm)],[21,13,18]),
    [iquote('hyper,21,13,18')] ).

cnf(23,plain,
    d(u4r2(exist)),
    inference(hyper,[status(thm)],[21,12,18]),
    [iquote('hyper,21,12,18')] ).

cnf(24,plain,
    s2least(u4r2(exist)),
    inference(hyper,[status(thm)],[22,1]),
    [iquote('hyper,22,1')] ).

cnf(25,plain,
    s1most(u4r2(exist)),
    inference(hyper,[status(thm)],[23,7]),
    [iquote('hyper,23,7')] ).

cnf(26,plain,
    s(u4r2(exist),u1r2(u4r2(exist))),
    inference(hyper,[status(thm)],[24,5]),
    [iquote('hyper,24,5')] ).

cnf(27,plain,
    s(u4r2(exist),u1r1(u4r2(exist))),
    inference(hyper,[status(thm)],[24,4]),
    [iquote('hyper,24,4')] ).

cnf(32,plain,
    e_qualish(u1r2(u4r2(exist)),u1r1(u4r2(exist))),
    inference(hyper,[status(thm)],[27,9,25,26]),
    [iquote('hyper,27,9,25,26')] ).

cnf(34,plain,
    $false,
    inference(hyper,[status(thm)],[32,3,24]),
    [iquote('hyper,32,3,24')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : KRS002-1 : TPTP v8.1.0. Released v2.0.0.
% 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 03:25:11 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.74/1.93  ----- Otter 3.3f, August 2004 -----
% 1.74/1.93  The process was started by sandbox2 on n003.cluster.edu,
% 1.74/1.93  Wed Jul 27 03:25:11 2022
% 1.74/1.93  The command was "./otter".  The process ID is 31499.
% 1.74/1.93  
% 1.74/1.93  set(prolog_style_variables).
% 1.74/1.93  set(auto).
% 1.74/1.93     dependent: set(auto1).
% 1.74/1.93     dependent: set(process_input).
% 1.74/1.93     dependent: clear(print_kept).
% 1.74/1.93     dependent: clear(print_new_demod).
% 1.74/1.93     dependent: clear(print_back_demod).
% 1.74/1.93     dependent: clear(print_back_sub).
% 1.74/1.93     dependent: set(control_memory).
% 1.74/1.93     dependent: assign(max_mem, 12000).
% 1.74/1.93     dependent: assign(pick_given_ratio, 4).
% 1.74/1.93     dependent: assign(stats_level, 1).
% 1.74/1.93     dependent: assign(max_seconds, 10800).
% 1.74/1.93  clear(print_given).
% 1.74/1.93  
% 1.74/1.93  list(usable).
% 1.74/1.93  0 [] e(exist).
% 1.74/1.93  0 [] s2least(X1)| -c(X1).
% 1.74/1.93  0 [] c(X1)| -s2least(X1).
% 1.74/1.93  0 [] -s2least(X1)| -e_qualish(u1r2(X1),u1r1(X1)).
% 1.74/1.93  0 [] s(X1,u1r1(X1))| -s2least(X1).
% 1.74/1.93  0 [] s(X1,u1r2(X1))| -s2least(X1).
% 1.74/1.93  0 [] s2least(X1)|e_qualish(X3,X2)| -s(X1,X3)| -s(X1,X2).
% 1.74/1.93  0 [] s1most(X1)| -d(X1).
% 1.74/1.93  0 [] d(X1)| -s1most(X1).
% 1.74/1.93  0 [] e_qualish(X3,X2)| -s1most(X1)| -s(X1,X3)| -s(X1,X2).
% 1.74/1.93  0 [] s1most(X1)| -e_qualish(u3r2(X1),u3r1(X1)).
% 1.74/1.93  0 [] s1most(X1)|s(X1,u3r1(X1)).
% 1.74/1.93  0 [] s1most(X1)|s(X1,u3r2(X1)).
% 1.74/1.93  0 [] r(X1,u4r2(X1))| -e(X1).
% 1.74/1.93  0 [] d(X2)| -e(X1)| -r(X1,X2).
% 1.74/1.93  0 [] c(X2)| -e(X1)| -r(X1,X2).
% 1.74/1.93  0 [] e(X1)| -c(u4r1(X1))| -d(u4r1(X1))| -r(X1,X3).
% 1.74/1.93  0 [] e(X1)|r(X1,u4r1(X1))| -r(X1,X3).
% 1.74/1.93  end_of_list.
% 1.74/1.93  
% 1.74/1.93  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=4.
% 1.74/1.93  
% 1.74/1.93  This is a non-Horn set without equality.  The strategy will
% 1.74/1.93  be ordered hyper_res, unit deletion, and factoring, with
% 1.74/1.93  satellites in sos and with nuclei in usable.
% 1.74/1.93  
% 1.74/1.93     dependent: set(hyper_res).
% 1.74/1.93     dependent: set(factor).
% 1.74/1.93     dependent: set(unit_deletion).
% 1.74/1.93  
% 1.74/1.93  ------------> process usable:
% 1.74/1.93  ** KEPT (pick-wt=4): 1 [] s2least(A)| -c(A).
% 1.74/1.93  ** KEPT (pick-wt=4): 2 [] c(A)| -s2least(A).
% 1.74/1.93  ** KEPT (pick-wt=7): 3 [] -s2least(A)| -e_qualish(u1r2(A),u1r1(A)).
% 1.74/1.93  ** KEPT (pick-wt=6): 4 [] s(A,u1r1(A))| -s2least(A).
% 1.74/1.93  ** KEPT (pick-wt=6): 5 [] s(A,u1r2(A))| -s2least(A).
% 1.74/1.93  ** KEPT (pick-wt=11): 6 [] s2least(A)|e_qualish(B,C)| -s(A,B)| -s(A,C).
% 1.74/1.93  ** KEPT (pick-wt=4): 7 [] s1most(A)| -d(A).
% 1.74/1.93  ** KEPT (pick-wt=4): 8 [] d(A)| -s1most(A).
% 1.74/1.93  ** KEPT (pick-wt=11): 9 [] e_qualish(A,B)| -s1most(C)| -s(C,A)| -s(C,B).
% 1.74/1.93  ** KEPT (pick-wt=7): 10 [] s1most(A)| -e_qualish(u3r2(A),u3r1(A)).
% 1.74/1.93  ** KEPT (pick-wt=6): 11 [] r(A,u4r2(A))| -e(A).
% 1.74/1.93  ** KEPT (pick-wt=7): 12 [] d(A)| -e(B)| -r(B,A).
% 1.74/1.93  ** KEPT (pick-wt=7): 13 [] c(A)| -e(B)| -r(B,A).
% 1.74/1.93  ** KEPT (pick-wt=11): 14 [] e(A)| -c(u4r1(A))| -d(u4r1(A))| -r(A,B).
% 1.74/1.93  ** KEPT (pick-wt=9): 15 [] e(A)|r(A,u4r1(A))| -r(A,B).
% 1.74/1.93  
% 1.74/1.93  ------------> process sos:
% 1.74/1.93  ** KEPT (pick-wt=2): 18 [] e(exist).
% 1.74/1.93  ** KEPT (pick-wt=6): 19 [] s1most(A)|s(A,u3r1(A)).
% 1.74/1.93  ** KEPT (pick-wt=6): 20 [] s1most(A)|s(A,u3r2(A)).
% 1.74/1.93  
% 1.74/1.93  ======= end of input processing =======
% 1.74/1.93  
% 1.74/1.93  =========== start of search ===========
% 1.74/1.93  
% 1.74/1.93  -------- PROOF -------- 
% 1.74/1.93  
% 1.74/1.93  -----> EMPTY CLAUSE at   0.00 sec ----> 34 [hyper,32,3,24] $F.
% 1.74/1.93  
% 1.74/1.93  Length of proof is 8.  Level of proof is 5.
% 1.74/1.93  
% 1.74/1.93  ---------------- PROOF ----------------
% 1.74/1.93  % SZS status Unsatisfiable
% 1.74/1.93  % SZS output start Refutation
% See solution above
% 1.74/1.93  ------------ end of proof -------------
% 1.74/1.93  
% 1.74/1.93  
% 1.74/1.93  Search stopped by max_proofs option.
% 1.74/1.93  
% 1.74/1.93  
% 1.74/1.93  Search stopped by max_proofs option.
% 1.74/1.93  
% 1.74/1.93  ============ end of search ============
% 1.74/1.93  
% 1.74/1.93  -------------- statistics -------------
% 1.74/1.93  clauses given                 15
% 1.74/1.93  clauses generated             49
% 1.74/1.93  clauses kept                  33
% 1.74/1.93  clauses forward subsumed      33
% 1.74/1.93  clauses back subsumed          0
% 1.74/1.93  Kbytes malloced              976
% 1.74/1.93  
% 1.74/1.93  ----------- times (seconds) -----------
% 1.74/1.93  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.74/1.93  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.74/1.93  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.74/1.93  
% 1.74/1.93  That finishes the proof of the theorem.
% 1.74/1.93  
% 1.74/1.93  Process 31499 finished Wed Jul 27 03:25:13 2022
% 1.74/1.93  Otter interrupted
% 1.74/1.93  PROOF FOUND
%------------------------------------------------------------------------------