TSTP Solution File: SYN578-1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SYN578-1 : TPTP v8.1.0. Released v2.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n025.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 13:24:56 EDT 2022

% Result   : Unsatisfiable 1.90s 2.11s
% Output   : Refutation 1.90s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :   10
% Syntax   : Number of clauses     :   18 (  11 unt;   1 nHn;  16 RR)
%            Number of literals    :   33 (   0 equ;  16 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    6 (   5 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   5 con; 0-2 aty)
%            Number of variables   :   15 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(2,axiom,
    ( p9(A,f4(c16))
    | ~ p9(A,c13) ),
    file('SYN578-1.p',unknown),
    [] ).

cnf(5,axiom,
    ( p3(f4(A),f4(B))
    | ~ p2(A,B) ),
    file('SYN578-1.p',unknown),
    [] ).

cnf(11,axiom,
    ( p9(A,B)
    | ~ p7(C,A)
    | ~ p9(C,D)
    | ~ p3(D,B) ),
    file('SYN578-1.p',unknown),
    [] ).

cnf(13,axiom,
    ( p9(f8(A,B),A)
    | p9(f8(A,B),f4(B))
    | ~ p11(B,c15)
    | ~ p9(c12,A) ),
    file('SYN578-1.p',unknown),
    [] ).

cnf(14,axiom,
    ( ~ p11(A,c15)
    | ~ p9(c12,B)
    | ~ p9(f8(B,A),B)
    | ~ p9(f8(B,A),f4(A)) ),
    file('SYN578-1.p',unknown),
    [] ).

cnf(19,plain,
    ( p9(f8(f4(A),A),f4(A))
    | ~ p11(A,c15)
    | ~ p9(c12,f4(A)) ),
    inference(factor,[status(thm)],[13]),
    [iquote('factor,13.1.2')] ).

cnf(20,plain,
    ( ~ p11(A,c15)
    | ~ p9(c12,f4(A))
    | ~ p9(f8(f4(A),A),f4(A)) ),
    inference(factor,[status(thm)],[14]),
    [iquote('factor,14.3.4')] ).

cnf(22,axiom,
    p7(A,A),
    file('SYN578-1.p',unknown),
    [] ).

cnf(25,axiom,
    p9(c12,c13),
    file('SYN578-1.p',unknown),
    [] ).

cnf(26,axiom,
    p11(c14,c15),
    file('SYN578-1.p',unknown),
    [] ).

cnf(27,axiom,
    p2(c16,f5(c14)),
    file('SYN578-1.p',unknown),
    [] ).

cnf(28,axiom,
    p3(f4(f5(A)),f4(A)),
    file('SYN578-1.p',unknown),
    [] ).

cnf(30,plain,
    p9(c12,f4(c16)),
    inference(hyper,[status(thm)],[25,2]),
    [iquote('hyper,25,2')] ).

cnf(34,plain,
    p3(f4(c16),f4(f5(c14))),
    inference(hyper,[status(thm)],[27,5]),
    [iquote('hyper,27,5')] ).

cnf(53,plain,
    p9(c12,f4(f5(c14))),
    inference(hyper,[status(thm)],[34,11,22,30]),
    [iquote('hyper,34,11,22,30')] ).

cnf(55,plain,
    p9(c12,f4(c14)),
    inference(hyper,[status(thm)],[53,11,22,28]),
    [iquote('hyper,53,11,22,28')] ).

cnf(56,plain,
    p9(f8(f4(c14),c14),f4(c14)),
    inference(hyper,[status(thm)],[55,19,26]),
    [iquote('hyper,55,19,26')] ).

cnf(174,plain,
    $false,
    inference(hyper,[status(thm)],[56,20,26,55]),
    [iquote('hyper,56,20,26,55')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.11  % Problem  : SYN578-1 : TPTP v8.1.0. Released v2.5.0.
% 0.07/0.12  % Command  : otter-tptp-script %s
% 0.13/0.33  % Computer : n025.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 11:25:30 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 1.90/2.11  ----- Otter 3.3f, August 2004 -----
% 1.90/2.11  The process was started by sandbox2 on n025.cluster.edu,
% 1.90/2.11  Wed Jul 27 11:25:30 2022
% 1.90/2.11  The command was "./otter".  The process ID is 1148.
% 1.90/2.11  
% 1.90/2.11  set(prolog_style_variables).
% 1.90/2.11  set(auto).
% 1.90/2.11     dependent: set(auto1).
% 1.90/2.11     dependent: set(process_input).
% 1.90/2.11     dependent: clear(print_kept).
% 1.90/2.11     dependent: clear(print_new_demod).
% 1.90/2.11     dependent: clear(print_back_demod).
% 1.90/2.11     dependent: clear(print_back_sub).
% 1.90/2.11     dependent: set(control_memory).
% 1.90/2.11     dependent: assign(max_mem, 12000).
% 1.90/2.11     dependent: assign(pick_given_ratio, 4).
% 1.90/2.11     dependent: assign(stats_level, 1).
% 1.90/2.11     dependent: assign(max_seconds, 10800).
% 1.90/2.11  clear(print_given).
% 1.90/2.11  
% 1.90/2.11  list(usable).
% 1.90/2.11  0 [] p10(X0,X0).
% 1.90/2.11  0 [] p7(X21,X21).
% 1.90/2.11  0 [] p3(X12,X12).
% 1.90/2.11  0 [] p2(X7,X7).
% 1.90/2.11  0 [] p9(c12,c13).
% 1.90/2.11  0 [] p11(c14,c15).
% 1.90/2.11  0 [] p2(c16,f5(c14)).
% 1.90/2.11  0 [] p3(f4(f5(X17)),f4(X17)).
% 1.90/2.11  0 [] p3(f6(f5(X20)),f6(X20)).
% 1.90/2.11  0 [] p9(X32,c13)| -p9(X32,f4(c16)).
% 1.90/2.11  0 [] p9(X32,f4(c16))| -p9(X32,c13).
% 1.90/2.11  0 [] p2(f5(X10),f5(X11))| -p2(X10,X11).
% 1.90/2.11  0 [] p3(f6(X18),f6(X19))| -p2(X18,X19).
% 1.90/2.11  0 [] p3(f4(X15),f4(X16))| -p2(X15,X16).
% 1.90/2.11  0 [] p10(X1,X2)| -p10(X0,X1)| -p10(X0,X2).
% 1.90/2.11  0 [] p7(X22,X23)| -p7(X21,X22)| -p7(X21,X23).
% 1.90/2.11  0 [] p3(X13,X14)| -p3(X12,X13)| -p3(X12,X14).
% 1.90/2.11  0 [] p2(X8,X9)| -p2(X7,X8)| -p2(X7,X9).
% 1.90/2.11  0 [] p11(X3,X4)| -p11(X6,X5)| -p2(X6,X3)| -p10(X5,X4).
% 1.90/2.11  0 [] p9(X28,X29)| -p7(X31,X28)| -p9(X31,X30)| -p3(X30,X29).
% 1.90/2.11  0 [] p7(f8(X24,X25),f8(X26,X27))| -p2(X25,X27)| -p3(X24,X26).
% 1.90/2.11  0 [] p9(f8(X33,X34),X33)|p9(f8(X33,X34),f4(X34))| -p11(X34,c15)| -p9(c12,X33).
% 1.90/2.11  0 [] -p11(X34,c15)| -p9(c12,X33)| -p9(f8(X33,X34),X33)| -p9(f8(X33,X34),f4(X34)).
% 1.90/2.11  end_of_list.
% 1.90/2.11  
% 1.90/2.11  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=4.
% 1.90/2.11  
% 1.90/2.11  This is a non-Horn set without equality.  The strategy will
% 1.90/2.11  be ordered hyper_res, unit deletion, and factoring, with
% 1.90/2.11  satellites in sos and with nuclei in usable.
% 1.90/2.11  
% 1.90/2.11     dependent: set(hyper_res).
% 1.90/2.11     dependent: set(factor).
% 1.90/2.11     dependent: set(unit_deletion).
% 1.90/2.11  
% 1.90/2.11  ------------> process usable:
% 1.90/2.11  ** KEPT (pick-wt=7): 1 [] p9(A,c13)| -p9(A,f4(c16)).
% 1.90/2.11  ** KEPT (pick-wt=7): 2 [] p9(A,f4(c16))| -p9(A,c13).
% 1.90/2.11  ** KEPT (pick-wt=8): 3 [] p2(f5(A),f5(B))| -p2(A,B).
% 1.90/2.11  ** KEPT (pick-wt=8): 4 [] p3(f6(A),f6(B))| -p2(A,B).
% 1.90/2.11  ** KEPT (pick-wt=8): 5 [] p3(f4(A),f4(B))| -p2(A,B).
% 1.90/2.11  ** KEPT (pick-wt=9): 6 [] p10(A,B)| -p10(C,A)| -p10(C,B).
% 1.90/2.11  ** KEPT (pick-wt=9): 7 [] p7(A,B)| -p7(C,A)| -p7(C,B).
% 1.90/2.11  ** KEPT (pick-wt=9): 8 [] p3(A,B)| -p3(C,A)| -p3(C,B).
% 1.90/2.11  ** KEPT (pick-wt=9): 9 [] p2(A,B)| -p2(C,A)| -p2(C,B).
% 1.90/2.11  ** KEPT (pick-wt=12): 10 [] p11(A,B)| -p11(C,D)| -p2(C,A)| -p10(D,B).
% 1.90/2.11  ** KEPT (pick-wt=12): 11 [] p9(A,B)| -p7(C,A)| -p9(C,D)| -p3(D,B).
% 1.90/2.11  ** KEPT (pick-wt=13): 12 [] p7(f8(A,B),f8(C,D))| -p2(B,D)| -p3(A,C).
% 1.90/2.11  ** KEPT (pick-wt=17): 13 [] p9(f8(A,B),A)|p9(f8(A,B),f4(B))| -p11(B,c15)| -p9(c12,A).
% 1.90/2.11  ** KEPT (pick-wt=17): 14 [] -p11(A,c15)| -p9(c12,B)| -p9(f8(B,A),B)| -p9(f8(B,A),f4(A)).
% 1.90/2.11  
% 1.90/2.11  ------------> process sos:
% 1.90/2.11  ** KEPT (pick-wt=3): 21 [] p10(A,A).
% 1.90/2.11  ** KEPT (pick-wt=3): 22 [] p7(A,A).
% 1.90/2.11  ** KEPT (pick-wt=3): 23 [] p3(A,A).
% 1.90/2.11  ** KEPT (pick-wt=3): 24 [] p2(A,A).
% 1.90/2.11  ** KEPT (pick-wt=3): 25 [] p9(c12,c13).
% 1.90/2.11  ** KEPT (pick-wt=3): 26 [] p11(c14,c15).
% 1.90/2.11  ** KEPT (pick-wt=4): 27 [] p2(c16,f5(c14)).
% 1.90/2.11  ** KEPT (pick-wt=6): 28 [] p3(f4(f5(A)),f4(A)).
% 1.90/2.11  ** KEPT (pick-wt=6): 29 [] p3(f6(f5(A)),f6(A)).
% 1.90/2.11  21 back subsumes 15.
% 1.90/2.11  22 back subsumes 16.
% 1.90/2.11  23 back subsumes 17.
% 1.90/2.11  24 back subsumes 18.
% 1.90/2.11  
% 1.90/2.11  ======= end of input processing =======
% 1.90/2.11  
% 1.90/2.11  =========== start of search ===========
% 1.90/2.11  
% 1.90/2.11  -------- PROOF -------- 
% 1.90/2.11  
% 1.90/2.11  -----> EMPTY CLAUSE at   0.01 sec ----> 174 [hyper,56,20,26,55] $F.
% 1.90/2.11  
% 1.90/2.11  Length of proof is 7.  Level of proof is 4.
% 1.90/2.11  
% 1.90/2.11  ---------------- PROOF ----------------
% 1.90/2.11  % SZS status Unsatisfiable
% 1.90/2.11  % SZS output start Refutation
% See solution above
% 1.90/2.11  ------------ end of proof -------------
% 1.90/2.11  
% 1.90/2.11  
% 1.90/2.11  Search stopped by max_proofs option.
% 1.90/2.11  
% 1.90/2.11  
% 1.90/2.11  Search stopped by max_proofs option.
% 1.90/2.11  
% 1.90/2.11  ============ end of search ============
% 1.90/2.11  
% 1.90/2.11  -------------- statistics -------------
% 1.90/2.11  clauses given                 38
% 1.90/2.11  clauses generated            303
% 1.90/2.11  clauses kept                 173
% 1.90/2.11  clauses forward subsumed     152
% 1.90/2.11  clauses back subsumed          5
% 1.90/2.11  Kbytes malloced              976
% 1.90/2.11  
% 1.90/2.11  ----------- times (seconds) -----------
% 1.90/2.11  user CPU time          0.01          (0 hr, 0 min, 0 sec)
% 1.90/2.11  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.90/2.11  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.90/2.11  
% 1.90/2.11  That finishes the proof of the theorem.
% 1.90/2.11  
% 1.90/2.11  Process 1148 finished Wed Jul 27 11:25:32 2022
% 1.90/2.11  Otter interrupted
% 1.90/2.11  PROOF FOUND
%------------------------------------------------------------------------------