TSTP Solution File: SYN577-1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SYN577-1 : TPTP v8.1.0. Released v2.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n019.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 1.72s 1.96s
% Output   : Refutation 1.72s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   15 (  13 unt;   0 nHn;  14 RR)
%            Number of literals    :   21 (   0 equ;   7 neg)
%            Maximal clause size   :    5 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :   12 (  12 usr;   9 con; 0-2 aty)
%            Number of variables   :    7 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(2,axiom,
    ( p2(A,B)
    | ~ p2(C,A)
    | ~ p2(C,B) ),
    file('SYN577-1.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ p7(A,c10)
    | ~ p2(c15,B)
    | ~ p2(c16,C)
    | ~ p2(f4(B,c14),f5(f6(A),c19))
    | ~ p2(f4(C,c14),f5(f6(A),c20)) ),
    file('SYN577-1.p',unknown),
    [] ).

cnf(11,axiom,
    p2(A,A),
    file('SYN577-1.p',unknown),
    [] ).

cnf(15,axiom,
    p7(c9,c10),
    file('SYN577-1.p',unknown),
    [] ).

cnf(18,axiom,
    p2(f4(c16,c14),c18),
    file('SYN577-1.p',unknown),
    [] ).

cnf(19,axiom,
    p2(f4(c15,c14),c17),
    file('SYN577-1.p',unknown),
    [] ).

cnf(21,axiom,
    p2(f5(f6(c9),c19),c17),
    file('SYN577-1.p',unknown),
    [] ).

cnf(22,axiom,
    p2(f5(f6(c9),c20),c18),
    file('SYN577-1.p',unknown),
    [] ).

cnf(49,plain,
    p2(c18,f4(c16,c14)),
    inference(hyper,[status(thm)],[18,2,11]),
    [iquote('hyper,18,2,11')] ).

cnf(72,plain,
    p2(c17,f4(c15,c14)),
    inference(hyper,[status(thm)],[19,2,11]),
    [iquote('hyper,19,2,11')] ).

cnf(136,plain,
    p2(c17,f5(f6(c9),c19)),
    inference(hyper,[status(thm)],[21,2,11]),
    [iquote('hyper,21,2,11')] ).

cnf(397,plain,
    p2(c18,f5(f6(c9),c20)),
    inference(hyper,[status(thm)],[22,2,11]),
    [iquote('hyper,22,2,11')] ).

cnf(468,plain,
    p2(f4(c15,c14),f5(f6(c9),c19)),
    inference(hyper,[status(thm)],[136,2,72]),
    [iquote('hyper,136,2,72')] ).

cnf(546,plain,
    p2(f4(c16,c14),f5(f6(c9),c20)),
    inference(hyper,[status(thm)],[397,2,49]),
    [iquote('hyper,397,2,49')] ).

cnf(2585,plain,
    $false,
    inference(hyper,[status(thm)],[546,8,15,11,11,468]),
    [iquote('hyper,546,8,15,11,11,468')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SYN577-1 : TPTP v8.1.0. Released v2.5.0.
% 0.12/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n019.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 11:22:52 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.72/1.96  ----- Otter 3.3f, August 2004 -----
% 1.72/1.96  The process was started by sandbox on n019.cluster.edu,
% 1.72/1.96  Wed Jul 27 11:22:52 2022
% 1.72/1.96  The command was "./otter".  The process ID is 14347.
% 1.72/1.96  
% 1.72/1.96  set(prolog_style_variables).
% 1.72/1.96  set(auto).
% 1.72/1.96     dependent: set(auto1).
% 1.72/1.96     dependent: set(process_input).
% 1.72/1.96     dependent: clear(print_kept).
% 1.72/1.96     dependent: clear(print_new_demod).
% 1.72/1.96     dependent: clear(print_back_demod).
% 1.72/1.96     dependent: clear(print_back_sub).
% 1.72/1.96     dependent: set(control_memory).
% 1.72/1.96     dependent: assign(max_mem, 12000).
% 1.72/1.96     dependent: assign(pick_given_ratio, 4).
% 1.72/1.96     dependent: assign(stats_level, 1).
% 1.72/1.96     dependent: assign(max_seconds, 10800).
% 1.72/1.96  clear(print_given).
% 1.72/1.96  
% 1.72/1.96  list(usable).
% 1.72/1.96  0 [] p2(X0,X0).
% 1.72/1.96  0 [] p8(c14,c13).
% 1.72/1.96  0 [] p7(c11,c12).
% 1.72/1.96  0 [] p7(c13,c12).
% 1.72/1.96  0 [] p7(c9,c10).
% 1.72/1.96  0 [] p8(c14,c11).
% 1.72/1.96  0 [] p2(f3(c12,c11),c15).
% 1.72/1.96  0 [] p2(f4(c16,c14),c18).
% 1.72/1.96  0 [] p2(f4(c15,c14),c17).
% 1.72/1.96  0 [] p2(f3(c12,c13),c16).
% 1.72/1.96  0 [] p2(f5(f6(c9),c19),c17).
% 1.72/1.96  0 [] p2(f5(f6(c9),c20),c18).
% 1.72/1.96  0 [] p2(f6(X22),f6(X23))| -p2(X22,X23).
% 1.72/1.96  0 [] p2(X1,X2)| -p2(X0,X1)| -p2(X0,X2).
% 1.72/1.96  0 [] p8(X28,X29)| -p2(X31,X29)| -p8(X30,X31)| -p2(X30,X28).
% 1.72/1.96  0 [] p7(X24,X25)| -p2(X27,X25)| -p7(X26,X27)| -p2(X26,X24).
% 1.72/1.96  0 [] p2(f3(X10,X11),f3(X12,X13))| -p2(X10,X12)| -p2(X11,X13).
% 1.72/1.96  0 [] p2(f5(X18,X19),f5(X20,X21))| -p2(X19,X21)| -p2(X18,X20).
% 1.72/1.96  0 [] p2(f4(X14,X15),f4(X16,X17))| -p2(X14,X16)| -p2(X15,X17).
% 1.72/1.96  0 [] -p7(X34,c10)| -p2(c15,X32)| -p2(c16,X33)| -p2(f4(X32,c14),f5(f6(X34),c19))| -p2(f4(X33,c14),f5(f6(X34),c20)).
% 1.72/1.96  0 [] p2(X3,X4)| -p7(X7,c10)| -p7(X3,c12)| -p7(X4,c12)| -p8(c14,X4)| -p8(c14,X3)| -p2(f3(c12,X4),X6)| -p2(f3(c12,X3),X5)| -p2(f4(X5,c14),f5(f6(X7),X8))| -p2(f4(X6,c14),f5(f6(X7),X9)).
% 1.72/1.96  0 [] p2(X8,X9)| -p7(X7,c10)| -p7(X3,c12)| -p7(X4,c12)| -p8(c14,X4)| -p8(c14,X3)| -p2(f3(c12,X4),X6)| -p2(f3(c12,X3),X5)| -p2(f4(X5,c14),f5(f6(X7),X8))| -p2(f4(X6,c14),f5(f6(X7),X9)).
% 1.72/1.96  end_of_list.
% 1.72/1.96  
% 1.72/1.96  SCAN INPUT: prop=0, horn=1, equality=0, symmetry=0, max_lits=10.
% 1.72/1.96  
% 1.72/1.96  This is a Horn set without equality.  The strategy will
% 1.72/1.96  be hyperresolution, with satellites in sos and nuclei
% 1.72/1.96  in usable.
% 1.72/1.96  
% 1.72/1.96     dependent: set(hyper_res).
% 1.72/1.96     dependent: clear(order_hyper).
% 1.72/1.96  
% 1.72/1.96  ------------> process usable:
% 1.72/1.96  ** KEPT (pick-wt=8): 1 [] p2(f6(A),f6(B))| -p2(A,B).
% 1.72/1.96  ** KEPT (pick-wt=9): 2 [] p2(A,B)| -p2(C,A)| -p2(C,B).
% 1.72/1.96  ** KEPT (pick-wt=12): 3 [] p8(A,B)| -p2(C,B)| -p8(D,C)| -p2(D,A).
% 1.72/1.96  ** KEPT (pick-wt=12): 4 [] p7(A,B)| -p2(C,B)| -p7(D,C)| -p2(D,A).
% 1.72/1.96  ** KEPT (pick-wt=13): 5 [] p2(f3(A,B),f3(C,D))| -p2(A,C)| -p2(B,D).
% 1.72/1.96  ** KEPT (pick-wt=13): 6 [] p2(f5(A,B),f5(C,D))| -p2(B,D)| -p2(A,C).
% 1.72/1.96  ** KEPT (pick-wt=13): 7 [] p2(f4(A,B),f4(C,D))| -p2(A,C)| -p2(B,D).
% 1.72/1.96  ** KEPT (pick-wt=25): 8 [] -p7(A,c10)| -p2(c15,B)| -p2(c16,C)| -p2(f4(B,c14),f5(f6(A),c19))| -p2(f4(C,c14),f5(f6(A),c20)).
% 1.72/1.96  ** KEPT (pick-wt=44): 9 [] p2(A,B)| -p7(C,c10)| -p7(A,c12)| -p7(B,c12)| -p8(c14,B)| -p8(c14,A)| -p2(f3(c12,B),D)| -p2(f3(c12,A),E)| -p2(f4(E,c14),f5(f6(C),F))| -p2(f4(D,c14),f5(f6(C),G)).
% 1.72/1.96  ** KEPT (pick-wt=44): 10 [] p2(A,B)| -p7(C,c10)| -p7(D,c12)| -p7(E,c12)| -p8(c14,E)| -p8(c14,D)| -p2(f3(c12,E),F)| -p2(f3(c12,D),G)| -p2(f4(G,c14),f5(f6(C),A))| -p2(f4(F,c14),f5(f6(C),B)).
% 1.72/1.96  
% 1.72/1.96  ------------> process sos:
% 1.72/1.96  ** KEPT (pick-wt=3): 11 [] p2(A,A).
% 1.72/1.96  ** KEPT (pick-wt=3): 12 [] p8(c14,c13).
% 1.72/1.96  ** KEPT (pick-wt=3): 13 [] p7(c11,c12).
% 1.72/1.96  ** KEPT (pick-wt=3): 14 [] p7(c13,c12).
% 1.72/1.96  ** KEPT (pick-wt=3): 15 [] p7(c9,c10).
% 1.72/1.96  ** KEPT (pick-wt=3): 16 [] p8(c14,c11).
% 1.72/1.96  ** KEPT (pick-wt=5): 17 [] p2(f3(c12,c11),c15).
% 1.72/1.96  ** KEPT (pick-wt=5): 18 [] p2(f4(c16,c14),c18).
% 1.72/1.96  ** KEPT (pick-wt=5): 19 [] p2(f4(c15,c14),c17).
% 1.72/1.96  ** KEPT (pick-wt=5): 20 [] p2(f3(c12,c13),c16).
% 1.72/1.96  ** KEPT (pick-wt=6): 21 [] p2(f5(f6(c9),c19),c17).
% 1.72/1.96  ** KEPT (pick-wt=6): 22 [] p2(f5(f6(c9),c20),c18).
% 1.72/1.96  
% 1.72/1.96  ======= end of input processing =======
% 1.72/1.96  
% 1.72/1.96  =========== start of search ===========
% 1.72/1.96  
% 1.72/1.96  -------- PROOF -------- 
% 1.72/1.96  
% 1.72/1.96  -----> EMPTY CLAUSE at   0.03 sec ----> 2585 [hyper,546,8,15,11,11,468] $F.
% 1.72/1.96  
% 1.72/1.96  Length of proof is 6.  Level of proof is 2.
% 1.72/1.96  
% 1.72/1.96  ---------------- PROOF ----------------
% 1.72/1.96  % SZS status Unsatisfiable
% 1.72/1.96  % SZS output start Refutation
% See solution above
% 1.72/1.96  ------------ end of proof -------------
% 1.72/1.96  
% 1.72/1.96  
% 1.72/1.96  Search stopped by max_proofs option.
% 1.72/1.96  
% 1.72/1.96  
% 1.72/1.96  Search stopped by max_proofs option.
% 1.72/1.96  
% 1.72/1.96  ============ end of search ============
% 1.72/1.96  
% 1.72/1.96  -------------- statistics -------------
% 1.72/1.96  clauses given                 35
% 1.72/1.96  clauses generated           2787
% 1.72/1.96  clauses kept                2584
% 1.72/1.96  clauses forward subsumed     224
% 1.72/1.96  clauses back subsumed          0
% 1.72/1.96  Kbytes malloced             2929
% 1.72/1.96  
% 1.72/1.96  ----------- times (seconds) -----------
% 1.72/1.96  user CPU time          0.03          (0 hr, 0 min, 0 sec)
% 1.72/1.96  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.72/1.96  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.72/1.96  
% 1.72/1.96  That finishes the proof of the theorem.
% 1.72/1.96  
% 1.72/1.96  Process 14347 finished Wed Jul 27 11:22:53 2022
% 1.72/1.96  Otter interrupted
% 1.72/1.96  PROOF FOUND
%------------------------------------------------------------------------------