TSTP Solution File: HWV052-1.002.001 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : HWV052-1.002.001 : TPTP v8.1.0. Released v4.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n015.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 12:58:26 EDT 2022

% Result   : Unsatisfiable 1.96s 2.19s
% Output   : Refutation 1.96s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   21 (  11 unt;  10 nHn;   5 RR)
%            Number of literals    :   31 (  30 equ;   2 neg)
%            Maximal clause size   :    2 (   1 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-3 aty)
%            Number of variables   :   27 (   4 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    inv(A) != A,
    file('HWV052-1.002.001.p',unknown),
    [] ).

cnf(3,axiom,
    ( A = o
    | A = i ),
    file('HWV052-1.002.001.p',unknown),
    [] ).

cnf(5,axiom,
    unpack1(A,B,pack1(A,B)) = A,
    file('HWV052-1.002.001.p',unknown),
    [] ).

cnf(6,axiom,
    unpack1(inv(A),B,pack1(A,B)) = A,
    file('HWV052-1.002.001.p',unknown),
    [] ).

cnf(10,axiom,
    unpack1(A,B,inv(pack1(A,B))) = A,
    file('HWV052-1.002.001.p',unknown),
    [] ).

cnf(21,plain,
    inv(o) = i,
    inference(hyper,[status(thm)],[3,1]),
    [iquote('hyper,3,1')] ).

cnf(23,plain,
    inv(i) = o,
    inference(hyper,[status(thm)],[3,1]),
    [iquote('hyper,3,1')] ).

cnf(26,plain,
    o != i,
    inference(flip,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[21,1])]),
    [iquote('para_from,20.1.1,1.1.1,flip.1')] ).

cnf(27,plain,
    ( unpack1(A,B,i) = A
    | pack1(A,B) = o ),
    inference(para_into,[status(thm),theory(equality)],[5,3]),
    [iquote('para_into,4.1.1.3,3.2.1')] ).

cnf(29,plain,
    ( i = A
    | A = o ),
    inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[5,3]),5]),
    [iquote('para_into,4.1.1,3.2.1,demod,5')] ).

cnf(30,plain,
    ( o = A
    | A = i ),
    inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[5,3]),5]),
    [iquote('para_into,4.1.1,3.1.1,demod,5')] ).

cnf(32,plain,
    ( inv(A) = o
    | A = o ),
    inference(para_from,[status(thm),theory(equality)],[29,23]),
    [iquote('para_from,29.1.1,22.1.1.1')] ).

cnf(35,plain,
    ( inv(A) = i
    | A = i ),
    inference(para_from,[status(thm),theory(equality)],[30,21]),
    [iquote('para_from,30.1.1,20.1.1.1')] ).

cnf(57,plain,
    ( unpack1(inv(A),B,i) = A
    | pack1(A,B) = o ),
    inference(flip,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[6,30])]),
    [iquote('para_into,6.1.1.3,30.2.1,flip.2')] ).

cnf(104,plain,
    ( A = o
    | inv(inv(A)) = i ),
    inference(unit_del,[status(thm)],[inference(para_from,[status(thm),theory(equality)],[35,32]),26]),
    [iquote('para_from,35.2.1,32.1.1,unit_del,26')] ).

cnf(406,plain,
    ( unpack1(inv(A),B,o) = A
    | inv(inv(pack1(A,B))) = i ),
    inference(para_from,[status(thm),theory(equality)],[104,6]),
    [iquote('para_from,104.1.1,6.1.1.3')] ).

cnf(407,plain,
    ( unpack1(A,B,o) = A
    | inv(inv(pack1(A,B))) = i ),
    inference(para_from,[status(thm),theory(equality)],[104,5]),
    [iquote('para_from,104.1.1,4.1.1.3')] ).

cnf(504,plain,
    unpack1(A,B,i) = A,
    inference(factor_simp,[status(thm)],[inference(demod,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[27,10]),21])]),
    [iquote('para_from,27.2.1,10.1.1.3.1,demod,21,factor_simp')] ).

cnf(517,plain,
    pack1(A,B) = o,
    inference(unit_del,[status(thm)],[inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[57]),504]),1]),
    [iquote('back_demod,57,demod,504,unit_del,1')] ).

cnf(519,plain,
    unpack1(A,B,o) = A,
    inference(unit_del,[status(thm)],[inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[407]),517,21,23]),26]),
    [iquote('back_demod,407,demod,517,21,23,unit_del,26')] ).

cnf(520,plain,
    $false,
    inference(unit_del,[status(thm)],[inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[406]),519,517,21,23]),1,26]),
    [iquote('back_demod,406,demod,519,517,21,23,unit_del,1,26')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : HWV052-1.002.001 : TPTP v8.1.0. Released v4.1.0.
% 0.03/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n015.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 06:56:42 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.96/2.19  ----- Otter 3.3f, August 2004 -----
% 1.96/2.19  The process was started by sandbox2 on n015.cluster.edu,
% 1.96/2.19  Wed Jul 27 06:56:42 2022
% 1.96/2.19  The command was "./otter".  The process ID is 2602.
% 1.96/2.19  
% 1.96/2.19  set(prolog_style_variables).
% 1.96/2.19  set(auto).
% 1.96/2.19     dependent: set(auto1).
% 1.96/2.19     dependent: set(process_input).
% 1.96/2.19     dependent: clear(print_kept).
% 1.96/2.19     dependent: clear(print_new_demod).
% 1.96/2.19     dependent: clear(print_back_demod).
% 1.96/2.19     dependent: clear(print_back_sub).
% 1.96/2.19     dependent: set(control_memory).
% 1.96/2.19     dependent: assign(max_mem, 12000).
% 1.96/2.19     dependent: assign(pick_given_ratio, 4).
% 1.96/2.19     dependent: assign(stats_level, 1).
% 1.96/2.19     dependent: assign(max_seconds, 10800).
% 1.96/2.19  clear(print_given).
% 1.96/2.19  
% 1.96/2.19  list(usable).
% 1.96/2.19  0 [] A=A.
% 1.96/2.19  0 [] X=o|X=i.
% 1.96/2.19  0 [] inv(X)!=X.
% 1.96/2.19  0 [] unpack1(X1,X2,pack1(X1,X2))=X1.
% 1.96/2.19  0 [] unpack1(inv(X1),X2,pack1(X1,X2))=X1.
% 1.96/2.19  0 [] unpack1(X1,inv(X2),pack1(X1,X2))=X1.
% 1.96/2.19  0 [] unpack1(X1,X2,inv(pack1(X1,X2)))=X1.
% 1.96/2.19  0 [] unpack2(X1,X2,pack1(X1,X2))=X2.
% 1.96/2.19  0 [] unpack2(inv(X1),X2,pack1(X1,X2))=X2.
% 1.96/2.19  0 [] unpack2(X1,inv(X2),pack1(X1,X2))=X2.
% 1.96/2.19  0 [] unpack2(X1,X2,inv(pack1(X1,X2)))=X2.
% 1.96/2.19  end_of_list.
% 1.96/2.19  
% 1.96/2.19  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=2.
% 1.96/2.19  
% 1.96/2.19  This ia a non-Horn set with equality.  The strategy will be
% 1.96/2.19  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 1.96/2.19  deletion, with positive clauses in sos and nonpositive
% 1.96/2.19  clauses in usable.
% 1.96/2.19  
% 1.96/2.19     dependent: set(knuth_bendix).
% 1.96/2.19     dependent: set(anl_eq).
% 1.96/2.19     dependent: set(para_from).
% 1.96/2.19     dependent: set(para_into).
% 1.96/2.19     dependent: clear(para_from_right).
% 1.96/2.19     dependent: clear(para_into_right).
% 1.96/2.19     dependent: set(para_from_vars).
% 1.96/2.19     dependent: set(eq_units_both_ways).
% 1.96/2.19     dependent: set(dynamic_demod_all).
% 1.96/2.19     dependent: set(dynamic_demod).
% 1.96/2.19     dependent: set(order_eq).
% 1.96/2.19     dependent: set(back_demod).
% 1.96/2.19     dependent: set(lrpo).
% 1.96/2.19     dependent: set(hyper_res).
% 1.96/2.19     dependent: set(unit_deletion).
% 1.96/2.19     dependent: set(factor).
% 1.96/2.19  
% 1.96/2.19  ------------> process usable:
% 1.96/2.19  ** KEPT (pick-wt=4): 1 [] inv(A)!=A.
% 1.96/2.19  
% 1.96/2.19  ------------> process sos:
% 1.96/2.19  ** KEPT (pick-wt=3): 2 [] A=A.
% 1.96/2.19  ** KEPT (pick-wt=6): 3 [] A=o|A=i.
% 1.96/2.19  ** KEPT (pick-wt=8): 4 [] unpack1(A,B,pack1(A,B))=A.
% 1.96/2.19  ---> New Demodulator: 5 [new_demod,4] unpack1(A,B,pack1(A,B))=A.
% 1.96/2.19  ** KEPT (pick-wt=9): 6 [] unpack1(inv(A),B,pack1(A,B))=A.
% 1.96/2.19  ---> New Demodulator: 7 [new_demod,6] unpack1(inv(A),B,pack1(A,B))=A.
% 1.96/2.19  ** KEPT (pick-wt=9): 8 [] unpack1(A,inv(B),pack1(A,B))=A.
% 1.96/2.19  ---> New Demodulator: 9 [new_demod,8] unpack1(A,inv(B),pack1(A,B))=A.
% 1.96/2.19  ** KEPT (pick-wt=9): 10 [] unpack1(A,B,inv(pack1(A,B)))=A.
% 1.96/2.19  ---> New Demodulator: 11 [new_demod,10] unpack1(A,B,inv(pack1(A,B)))=A.
% 1.96/2.19  ** KEPT (pick-wt=8): 12 [] unpack2(A,B,pack1(A,B))=B.
% 1.96/2.19  ---> New Demodulator: 13 [new_demod,12] unpack2(A,B,pack1(A,B))=B.
% 1.96/2.19  ** KEPT (pick-wt=9): 14 [] unpack2(inv(A),B,pack1(A,B))=B.
% 1.96/2.19  ---> New Demodulator: 15 [new_demod,14] unpack2(inv(A),B,pack1(A,B))=B.
% 1.96/2.19  ** KEPT (pick-wt=9): 16 [] unpack2(A,inv(B),pack1(A,B))=B.
% 1.96/2.19  ---> New Demodulator: 17 [new_demod,16] unpack2(A,inv(B),pack1(A,B))=B.
% 1.96/2.19  ** KEPT (pick-wt=9): 18 [] unpack2(A,B,inv(pack1(A,B)))=B.
% 1.96/2.19  ---> New Demodulator: 19 [new_demod,18] unpack2(A,B,inv(pack1(A,B)))=B.
% 1.96/2.19    Following clause subsumed by 2 during input processing: 0 [copy,2,flip.1] A=A.
% 1.96/2.19  >>>> Starting back demodulation with 5.
% 1.96/2.19  >>>> Starting back demodulation with 7.
% 1.96/2.19  >>>> Starting back demodulation with 9.
% 1.96/2.19  >>>> Starting back demodulation with 11.
% 1.96/2.19  >>>> Starting back demodulation with 13.
% 1.96/2.19  >>>> Starting back demodulation with 15.
% 1.96/2.19  >>>> Starting back demodulation with 17.
% 1.96/2.19  >>>> Starting back demodulation with 19.
% 1.96/2.19  
% 1.96/2.19  ======= end of input processing =======
% 1.96/2.19  
% 1.96/2.19  =========== start of search ===========
% 1.96/2.19  
% 1.96/2.19  -------- PROOF -------- 
% 1.96/2.19  
% 1.96/2.19  -----> EMPTY CLAUSE at   0.07 sec ----> 520 [back_demod,406,demod,519,517,21,23,unit_del,1,26] $F.
% 1.96/2.19  
% 1.96/2.19  Length of proof is 15.  Level of proof is 5.
% 1.96/2.19  
% 1.96/2.19  ---------------- PROOF ----------------
% 1.96/2.19  % SZS status Unsatisfiable
% 1.96/2.19  % SZS output start Refutation
% See solution above
% 1.96/2.19  ------------ end of proof -------------
% 1.96/2.19  
% 1.96/2.19  
% 1.96/2.19  Search stopped by max_proofs option.
% 1.96/2.19  
% 1.96/2.19  
% 1.96/2.19  Search stopped by max_proofs option.
% 1.96/2.19  
% 1.96/2.19  ============ end of search ============
% 1.96/2.19  
% 1.96/2.19  -------------- statistics -------------
% 1.96/2.19  clauses given                 46
% 1.96/2.19  clauses generated           2951
% 1.96/2.19  clauses kept                 493
% 1.96/2.19  clauses forward subsumed    2489
% 1.96/2.19  clauses back subsumed          0
% 1.96/2.19  Kbytes malloced             1953
% 1.96/2.19  
% 1.96/2.19  ----------- times (seconds) -----------
% 1.96/2.19  user CPU time          0.07          (0 hr, 0 min, 0 sec)
% 1.96/2.19  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.96/2.19  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.96/2.19  
% 1.96/2.19  That finishes the proof of the theorem.
% 1.96/2.19  
% 1.96/2.19  Process 2602 finished Wed Jul 27 06:56:43 2022
% 1.96/2.19  Otter interrupted
% 1.96/2.19  PROOF FOUND
%------------------------------------------------------------------------------