TSTP Solution File: SEU247+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SEU247+1 : TPTP v8.1.0. Released v3.3.0.
% 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 13:15:19 EDT 2022

% Result   : Theorem 2.01s 2.19s
% Output   : Refutation 2.01s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   12 (   8 unt;   0 nHn;   5 RR)
%            Number of literals    :   16 (  10 equ;   7 neg)
%            Maximal clause size   :    2 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-2 aty)
%            Number of variables   :   14 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(6,axiom,
    ( ~ relation(A)
    | relation_dom_restriction(relation_rng_restriction(B,A),C) = relation_rng_restriction(B,relation_dom_restriction(A,C)) ),
    file('SEU247+1.p',unknown),
    [] ).

cnf(7,plain,
    ( ~ relation(A)
    | relation_rng_restriction(B,relation_dom_restriction(A,C)) = relation_dom_restriction(relation_rng_restriction(B,A),C) ),
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[6])]),
    [iquote('copy,6,flip.2')] ).

cnf(8,axiom,
    ( ~ relation(A)
    | relation_restriction(A,B) = relation_dom_restriction(relation_rng_restriction(B,A),B) ),
    file('SEU247+1.p',unknown),
    [] ).

cnf(9,plain,
    ( ~ relation(A)
    | relation_dom_restriction(relation_rng_restriction(B,A),B) = relation_restriction(A,B) ),
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[8])]),
    [iquote('copy,8,flip.2')] ).

cnf(10,axiom,
    relation_restriction(dollar_c1,dollar_c2) != relation_rng_restriction(dollar_c2,relation_dom_restriction(dollar_c1,dollar_c2)),
    file('SEU247+1.p',unknown),
    [] ).

cnf(11,plain,
    relation_rng_restriction(dollar_c2,relation_dom_restriction(dollar_c1,dollar_c2)) != relation_restriction(dollar_c1,dollar_c2),
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[10])]),
    [iquote('copy,10,flip.1')] ).

cnf(12,axiom,
    A = A,
    file('SEU247+1.p',unknown),
    [] ).

cnf(16,axiom,
    relation(dollar_c1),
    file('SEU247+1.p',unknown),
    [] ).

cnf(18,plain,
    relation_dom_restriction(relation_rng_restriction(A,dollar_c1),A) = relation_restriction(dollar_c1,A),
    inference(hyper,[status(thm)],[16,9]),
    [iquote('hyper,16,9')] ).

cnf(20,plain,
    relation_rng_restriction(A,relation_dom_restriction(dollar_c1,B)) = relation_dom_restriction(relation_rng_restriction(A,dollar_c1),B),
    inference(hyper,[status(thm)],[16,7]),
    [iquote('hyper,16,7')] ).

cnf(26,plain,
    relation_restriction(dollar_c1,dollar_c2) != relation_restriction(dollar_c1,dollar_c2),
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[11]),20,18]),
    [iquote('back_demod,11,demod,20,18')] ).

cnf(27,plain,
    $false,
    inference(binary,[status(thm)],[26,12]),
    [iquote('binary,26.1,12.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem  : SEU247+1 : TPTP v8.1.0. Released v3.3.0.
% 0.04/0.13  % Command  : otter-tptp-script %s
% 0.14/0.34  % Computer : n025.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 300
% 0.14/0.34  % DateTime : Wed Jul 27 07:56:45 EDT 2022
% 0.14/0.34  % CPUTime  : 
% 2.01/2.19  ----- Otter 3.3f, August 2004 -----
% 2.01/2.19  The process was started by sandbox on n025.cluster.edu,
% 2.01/2.19  Wed Jul 27 07:56:45 2022
% 2.01/2.19  The command was "./otter".  The process ID is 28752.
% 2.01/2.19  
% 2.01/2.19  set(prolog_style_variables).
% 2.01/2.19  set(auto).
% 2.01/2.19     dependent: set(auto1).
% 2.01/2.19     dependent: set(process_input).
% 2.01/2.19     dependent: clear(print_kept).
% 2.01/2.19     dependent: clear(print_new_demod).
% 2.01/2.19     dependent: clear(print_back_demod).
% 2.01/2.19     dependent: clear(print_back_sub).
% 2.01/2.19     dependent: set(control_memory).
% 2.01/2.19     dependent: assign(max_mem, 12000).
% 2.01/2.19     dependent: assign(pick_given_ratio, 4).
% 2.01/2.19     dependent: assign(stats_level, 1).
% 2.01/2.19     dependent: assign(max_seconds, 10800).
% 2.01/2.19  clear(print_given).
% 2.01/2.19  
% 2.01/2.19  formula_list(usable).
% 2.01/2.19  all A (A=A).
% 2.01/2.19  all A B (set_intersection2(A,B)=set_intersection2(B,A)).
% 2.01/2.19  all A (relation(A)-> (all B (relation_restriction(A,B)=set_intersection2(A,cartesian_product2(B,B))))).
% 2.01/2.19  all A B (relation(A)->relation(relation_restriction(A,B))).
% 2.01/2.19  $T.
% 2.01/2.19  $T.
% 2.01/2.19  all A B (relation(A)->relation(relation_dom_restriction(A,B))).
% 2.01/2.19  all A B (relation(B)->relation(relation_rng_restriction(A,B))).
% 2.01/2.19  all A B (set_intersection2(A,A)=A).
% 2.01/2.19  all A B C (relation(C)->relation_dom_restriction(relation_rng_restriction(A,C),B)=relation_rng_restriction(A,relation_dom_restriction(C,B))).
% 2.01/2.19  all A B (relation(B)->relation_restriction(B,A)=relation_dom_restriction(relation_rng_restriction(A,B),A)).
% 2.01/2.19  -(all A B (relation(B)->relation_restriction(B,A)=relation_rng_restriction(A,relation_dom_restriction(B,A)))).
% 2.01/2.19  end_of_list.
% 2.01/2.19  
% 2.01/2.19  -------> usable clausifies to:
% 2.01/2.19  
% 2.01/2.19  list(usable).
% 2.01/2.19  0 [] A=A.
% 2.01/2.19  0 [] set_intersection2(A,B)=set_intersection2(B,A).
% 2.01/2.19  0 [] -relation(A)|relation_restriction(A,B)=set_intersection2(A,cartesian_product2(B,B)).
% 2.01/2.19  0 [] -relation(A)|relation(relation_restriction(A,B)).
% 2.01/2.19  0 [] $T.
% 2.01/2.19  0 [] $T.
% 2.01/2.19  0 [] -relation(A)|relation(relation_dom_restriction(A,B)).
% 2.01/2.19  0 [] -relation(B)|relation(relation_rng_restriction(A,B)).
% 2.01/2.19  0 [] set_intersection2(A,A)=A.
% 2.01/2.19  0 [] -relation(C)|relation_dom_restriction(relation_rng_restriction(A,C),B)=relation_rng_restriction(A,relation_dom_restriction(C,B)).
% 2.01/2.19  0 [] -relation(B)|relation_restriction(B,A)=relation_dom_restriction(relation_rng_restriction(A,B),A).
% 2.01/2.19  0 [] relation($c1).
% 2.01/2.19  0 [] relation_restriction($c1,$c2)!=relation_rng_restriction($c2,relation_dom_restriction($c1,$c2)).
% 2.01/2.19  end_of_list.
% 2.01/2.19  
% 2.01/2.19  SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=2.
% 2.01/2.19  
% 2.01/2.19  This is a Horn set with equality.  The strategy will be
% 2.01/2.19  Knuth-Bendix and hyper_res, with positive clauses in
% 2.01/2.19  sos and nonpositive clauses in usable.
% 2.01/2.19  
% 2.01/2.19     dependent: set(knuth_bendix).
% 2.01/2.19     dependent: set(anl_eq).
% 2.01/2.19     dependent: set(para_from).
% 2.01/2.19     dependent: set(para_into).
% 2.01/2.19     dependent: clear(para_from_right).
% 2.01/2.19     dependent: clear(para_into_right).
% 2.01/2.19     dependent: set(para_from_vars).
% 2.01/2.19     dependent: set(eq_units_both_ways).
% 2.01/2.19     dependent: set(dynamic_demod_all).
% 2.01/2.19     dependent: set(dynamic_demod).
% 2.01/2.19     dependent: set(order_eq).
% 2.01/2.19     dependent: set(back_demod).
% 2.01/2.19     dependent: set(lrpo).
% 2.01/2.19     dependent: set(hyper_res).
% 2.01/2.19     dependent: clear(order_hyper).
% 2.01/2.19  
% 2.01/2.19  ------------> process usable:
% 2.01/2.19  ** KEPT (pick-wt=11): 2 [copy,1,flip.2] -relation(A)|set_intersection2(A,cartesian_product2(B,B))=relation_restriction(A,B).
% 2.01/2.19  ** KEPT (pick-wt=6): 3 [] -relation(A)|relation(relation_restriction(A,B)).
% 2.01/2.19  ** KEPT (pick-wt=6): 4 [] -relation(A)|relation(relation_dom_restriction(A,B)).
% 2.01/2.19  ** KEPT (pick-wt=6): 5 [] -relation(A)|relation(relation_rng_restriction(B,A)).
% 2.01/2.19  ** KEPT (pick-wt=13): 7 [copy,6,flip.2] -relation(A)|relation_rng_restriction(B,relation_dom_restriction(A,C))=relation_dom_restriction(relation_rng_restriction(B,A),C).
% 2.01/2.19  ** KEPT (pick-wt=11): 9 [copy,8,flip.2] -relation(A)|relation_dom_restriction(relation_rng_restriction(B,A),B)=relation_restriction(A,B).
% 2.01/2.19  ** KEPT (pick-wt=9): 11 [copy,10,flip.1] relation_rng_restriction($c2,relation_dom_restriction($c1,$c2))!=relation_restriction($c1,$c2).
% 2.01/2.19  
% 2.01/2.19  ------------> process sos:
% 2.01/2.19  ** KEPT (pick-wt=3): 12 [] A=A.
% 2.01/2.19  ** KEPT (pick-wt=7): 13 [] set_intersection2(A,B)=set_intersection2(B,A).
% 2.01/2.19  ** KEPT (pick-wt=5): 14 [] set_intersection2(A,A)=A.
% 2.01/2.19  ---> New Demodulator: 15 [new_demod,14] set_intersection2(A,A)=A.
% 2.01/2.19  ** KEPT (pick-wt=2): 16 [] relation($c1).
% 2.01/2.19    Following clause subsumed by 12 during input processing: 0 [copy,12,flip.1] A=A.
% 2.01/2.19    Following clause subsumed by 13 during input processing: 0 [copy,13,flip.1] set_intersection2(A,B)=set_intersection2(B,A).
% 2.01/2.19  >>>> Starting back demodulation with 15.
% 2.01/2.19  
% 2.01/2.19  ======= end of input processing =======
% 2.01/2.19  
% 2.01/2.19  =========== start of search ===========
% 2.01/2.19  
% 2.01/2.19  -------- PROOF -------- 
% 2.01/2.19  
% 2.01/2.19  ----> UNIT CONFLICT at   0.00 sec ----> 27 [binary,26.1,12.1] $F.
% 2.01/2.19  
% 2.01/2.19  Length of proof is 6.  Level of proof is 3.
% 2.01/2.19  
% 2.01/2.19  ---------------- PROOF ----------------
% 2.01/2.19  % SZS status Theorem
% 2.01/2.19  % SZS output start Refutation
% See solution above
% 2.01/2.19  ------------ end of proof -------------
% 2.01/2.19  
% 2.01/2.19  
% 2.01/2.19  Search stopped by max_proofs option.
% 2.01/2.19  
% 2.01/2.19  
% 2.01/2.19  Search stopped by max_proofs option.
% 2.01/2.19  
% 2.01/2.19  ============ end of search ============
% 2.01/2.19  
% 2.01/2.19  -------------- statistics -------------
% 2.01/2.19  clauses given                  2
% 2.01/2.19  clauses generated              6
% 2.01/2.19  clauses kept                  18
% 2.01/2.19  clauses forward subsumed       2
% 2.01/2.19  clauses back subsumed          0
% 2.01/2.19  Kbytes malloced              976
% 2.01/2.19  
% 2.01/2.19  ----------- times (seconds) -----------
% 2.01/2.19  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 2.01/2.19  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 2.01/2.19  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 2.01/2.19  
% 2.01/2.19  That finishes the proof of the theorem.
% 2.01/2.19  
% 2.01/2.19  Process 28752 finished Wed Jul 27 07:56:47 2022
% 2.01/2.19  Otter interrupted
% 2.01/2.19  PROOF FOUND
%------------------------------------------------------------------------------