TSTP Solution File: ALG074+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : ALG074+1 : TPTP v8.1.0. Released v2.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n022.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 12:46:01 EDT 2022

% Result   : Theorem 1.90s 2.09s
% Output   : Refutation 1.90s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :   13
% Syntax   : Number of clauses     :   28 (  21 unt;   1 nHn;  27 RR)
%            Number of literals    :   42 (  20 equ;  16 neg)
%            Maximal clause size   :    5 (   1 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   2 con; 0-2 aty)
%            Number of variables   :   13 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ sorti1(A)
    | ~ sorti1(B)
    | sorti1(op1(A,B)) ),
    file('ALG074+1.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ sorti2(A)
    | ~ sorti2(B)
    | sorti2(op2(A,B)) ),
    file('ALG074+1.p',unknown),
    [] ).

cnf(3,axiom,
    op1(dollar_c1,dollar_c2) != op1(dollar_c2,dollar_c1),
    file('ALG074+1.p',unknown),
    [] ).

cnf(4,plain,
    op1(dollar_c2,dollar_c1) != op1(dollar_c1,dollar_c2),
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[3])]),
    [iquote('copy,3,flip.1')] ).

cnf(5,axiom,
    op1(op1(dollar_c2,dollar_c1),dollar_c2) != dollar_c1,
    file('ALG074+1.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ sorti2(A)
    | ~ sorti2(B)
    | op2(B,A) = op2(A,B)
    | op2(op2(A,B),B) != A
    | op2(op2(A,B),A) = B ),
    file('ALG074+1.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ sorti1(A)
    | sorti2(h(A)) ),
    file('ALG074+1.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ sorti1(A)
    | ~ sorti1(B)
    | h(op1(A,B)) = op2(h(A),h(B)) ),
    file('ALG074+1.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ sorti2(A)
    | ~ sorti2(B)
    | j(op2(A,B)) = op1(j(A),j(B)) ),
    file('ALG074+1.p',unknown),
    [] ).

cnf(12,axiom,
    ( ~ sorti1(A)
    | j(h(A)) = A ),
    file('ALG074+1.p',unknown),
    [] ).

cnf(17,axiom,
    A = A,
    file('ALG074+1.p',unknown),
    [] ).

cnf(18,axiom,
    sorti1(dollar_c2),
    file('ALG074+1.p',unknown),
    [] ).

cnf(19,axiom,
    sorti1(dollar_c1),
    file('ALG074+1.p',unknown),
    [] ).

cnf(20,axiom,
    op1(op1(dollar_c2,dollar_c1),dollar_c1) = dollar_c2,
    file('ALG074+1.p',unknown),
    [] ).

cnf(26,plain,
    j(h(dollar_c2)) = dollar_c2,
    inference(hyper,[status(thm)],[18,12]),
    [iquote('hyper,18,12')] ).

cnf(27,plain,
    sorti2(h(dollar_c2)),
    inference(hyper,[status(thm)],[18,7]),
    [iquote('hyper,18,7')] ).

cnf(32,plain,
    j(h(dollar_c1)) = dollar_c1,
    inference(hyper,[status(thm)],[19,12]),
    [iquote('hyper,19,12')] ).

cnf(34,plain,
    h(op1(dollar_c2,dollar_c1)) = op2(h(dollar_c2),h(dollar_c1)),
    inference(hyper,[status(thm)],[19,9,18]),
    [iquote('hyper,19,9,18')] ).

cnf(37,plain,
    sorti2(h(dollar_c1)),
    inference(hyper,[status(thm)],[19,7]),
    [iquote('hyper,19,7')] ).

cnf(38,plain,
    sorti1(op1(dollar_c2,dollar_c1)),
    inference(hyper,[status(thm)],[19,1,18]),
    [iquote('hyper,19,1,18')] ).

cnf(47,plain,
    j(op2(h(dollar_c2),h(dollar_c1))) = op1(dollar_c2,dollar_c1),
    inference(demod,[status(thm),theory(equality)],[inference(hyper,[status(thm)],[37,10,27]),26,32]),
    [iquote('hyper,37,10,27,demod,26,32')] ).

cnf(48,plain,
    j(op2(h(dollar_c1),h(dollar_c2))) = op1(dollar_c1,dollar_c2),
    inference(demod,[status(thm),theory(equality)],[inference(hyper,[status(thm)],[37,10,27]),32,26]),
    [iquote('hyper,37,10,27,demod,32,26')] ).

cnf(50,plain,
    sorti2(op2(h(dollar_c2),h(dollar_c1))),
    inference(hyper,[status(thm)],[37,2,27]),
    [iquote('hyper,37,2,27')] ).

cnf(53,plain,
    op2(op2(h(dollar_c2),h(dollar_c1)),h(dollar_c1)) = h(dollar_c2),
    inference(flip,[status(thm),theory(equality)],[inference(unit_del,[status(thm)],[inference(demod,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[20,9]),34]),38,19])]),
    [iquote('para_from,20.1.1,9.3.1.1,demod,34,unit_del,38,19,flip.1')] ).

cnf(198,plain,
    j(op2(op2(h(dollar_c2),h(dollar_c1)),h(dollar_c2))) = op1(op1(dollar_c2,dollar_c1),dollar_c2),
    inference(demod,[status(thm),theory(equality)],[inference(hyper,[status(thm)],[50,10,27]),47,26]),
    [iquote('hyper,50,10,27,demod,47,26')] ).

cnf(2486,plain,
    op2(op2(h(dollar_c2),h(dollar_c1)),h(dollar_c2)) = h(dollar_c1),
    inference(unit_del,[status(thm)],[inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[48,6]),47,53]),4,27,37,17]),
    [iquote('para_into,48.1.1.1,6.3.1,demod,47,53,unit_del,4,27,37,17')] ).

cnf(2597,plain,
    op1(op1(dollar_c2,dollar_c1),dollar_c2) = dollar_c1,
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[198]),2486,32])]),
    [iquote('back_demod,198,demod,2486,32,flip.1')] ).

cnf(2599,plain,
    $false,
    inference(binary,[status(thm)],[2597,5]),
    [iquote('binary,2597.1,5.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : ALG074+1 : TPTP v8.1.0. Released v2.7.0.
% 0.03/0.13  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n022.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 03:57:50 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 1.90/2.09  ----- Otter 3.3f, August 2004 -----
% 1.90/2.09  The process was started by sandbox2 on n022.cluster.edu,
% 1.90/2.09  Wed Jul 27 03:57:50 2022
% 1.90/2.09  The command was "./otter".  The process ID is 18518.
% 1.90/2.09  
% 1.90/2.09  set(prolog_style_variables).
% 1.90/2.09  set(auto).
% 1.90/2.09     dependent: set(auto1).
% 1.90/2.09     dependent: set(process_input).
% 1.90/2.09     dependent: clear(print_kept).
% 1.90/2.09     dependent: clear(print_new_demod).
% 1.90/2.09     dependent: clear(print_back_demod).
% 1.90/2.09     dependent: clear(print_back_sub).
% 1.90/2.09     dependent: set(control_memory).
% 1.90/2.09     dependent: assign(max_mem, 12000).
% 1.90/2.09     dependent: assign(pick_given_ratio, 4).
% 1.90/2.09     dependent: assign(stats_level, 1).
% 1.90/2.09     dependent: assign(max_seconds, 10800).
% 1.90/2.09  clear(print_given).
% 1.90/2.09  
% 1.90/2.09  formula_list(usable).
% 1.90/2.09  all A (A=A).
% 1.90/2.09  all U (sorti1(U)-> (all V (sorti1(V)->sorti1(op1(U,V))))).
% 1.90/2.09  all U (sorti2(U)-> (all V (sorti2(V)->sorti2(op2(U,V))))).
% 1.90/2.09  exists U (sorti1(U)& (exists V (sorti1(V)&op1(V,U)!=op1(U,V)&op1(op1(U,V),V)=U&op1(op1(U,V),U)!=V))).
% 1.90/2.09  -(exists U (sorti2(U)& (exists V (sorti2(V)&op2(V,U)!=op2(U,V)&op2(op2(U,V),V)=U&op2(op2(U,V),U)!=V)))).
% 1.90/2.09  -((all U (sorti1(U)->sorti2(h(U))))& (all V (sorti2(V)->sorti1(j(V))))-> -((all W (sorti1(W)-> (all X (sorti1(X)->h(op1(W,X))=op2(h(W),h(X))))))& (all Y (sorti2(Y)-> (all Z (sorti2(Z)->j(op2(Y,Z))=op1(j(Y),j(Z))))))& (all X1 (sorti2(X1)->h(j(X1))=X1))& (all X2 (sorti1(X2)->j(h(X2))=X2)))).
% 1.90/2.09  end_of_list.
% 1.90/2.09  
% 1.90/2.09  -------> usable clausifies to:
% 1.90/2.09  
% 1.90/2.09  list(usable).
% 1.90/2.09  0 [] A=A.
% 1.90/2.09  0 [] -sorti1(U)| -sorti1(V)|sorti1(op1(U,V)).
% 1.90/2.09  0 [] -sorti2(U)| -sorti2(V)|sorti2(op2(U,V)).
% 1.90/2.09  0 [] sorti1($c2).
% 1.90/2.09  0 [] sorti1($c1).
% 1.90/2.09  0 [] op1($c1,$c2)!=op1($c2,$c1).
% 1.90/2.09  0 [] op1(op1($c2,$c1),$c1)=$c2.
% 1.90/2.09  0 [] op1(op1($c2,$c1),$c2)!=$c1.
% 1.90/2.09  0 [] -sorti2(U)| -sorti2(V)|op2(V,U)=op2(U,V)|op2(op2(U,V),V)!=U|op2(op2(U,V),U)=V.
% 1.90/2.09  0 [] -sorti1(U)|sorti2(h(U)).
% 1.90/2.09  0 [] -sorti2(V)|sorti1(j(V)).
% 1.90/2.09  0 [] -sorti1(W)| -sorti1(X)|h(op1(W,X))=op2(h(W),h(X)).
% 1.90/2.09  0 [] -sorti2(Y)| -sorti2(Z)|j(op2(Y,Z))=op1(j(Y),j(Z)).
% 1.90/2.09  0 [] -sorti2(X1)|h(j(X1))=X1.
% 1.90/2.09  0 [] -sorti1(X2)|j(h(X2))=X2.
% 1.90/2.09  end_of_list.
% 1.90/2.09  
% 1.90/2.09  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=5.
% 1.90/2.09  
% 1.90/2.09  This ia a non-Horn set with equality.  The strategy will be
% 1.90/2.09  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 1.90/2.09  deletion, with positive clauses in sos and nonpositive
% 1.90/2.09  clauses in usable.
% 1.90/2.09  
% 1.90/2.09     dependent: set(knuth_bendix).
% 1.90/2.09     dependent: set(anl_eq).
% 1.90/2.09     dependent: set(para_from).
% 1.90/2.09     dependent: set(para_into).
% 1.90/2.09     dependent: clear(para_from_right).
% 1.90/2.09     dependent: clear(para_into_right).
% 1.90/2.09     dependent: set(para_from_vars).
% 1.90/2.09     dependent: set(eq_units_both_ways).
% 1.90/2.09     dependent: set(dynamic_demod_all).
% 1.90/2.09     dependent: set(dynamic_demod).
% 1.90/2.09     dependent: set(order_eq).
% 1.90/2.09     dependent: set(back_demod).
% 1.90/2.09     dependent: set(lrpo).
% 1.90/2.09     dependent: set(hyper_res).
% 1.90/2.09     dependent: set(unit_deletion).
% 1.90/2.09     dependent: set(factor).
% 1.90/2.09  
% 1.90/2.09  ------------> process usable:
% 1.90/2.09  ** KEPT (pick-wt=8): 1 [] -sorti1(A)| -sorti1(B)|sorti1(op1(A,B)).
% 1.90/2.09  ** KEPT (pick-wt=8): 2 [] -sorti2(A)| -sorti2(B)|sorti2(op2(A,B)).
% 1.90/2.09  ** KEPT (pick-wt=7): 4 [copy,3,flip.1] op1($c2,$c1)!=op1($c1,$c2).
% 1.90/2.09  ** KEPT (pick-wt=7): 5 [] op1(op1($c2,$c1),$c2)!=$c1.
% 1.90/2.09  ** KEPT (pick-wt=25): 6 [] -sorti2(A)| -sorti2(B)|op2(B,A)=op2(A,B)|op2(op2(A,B),B)!=A|op2(op2(A,B),A)=B.
% 1.90/2.09  ** KEPT (pick-wt=5): 7 [] -sorti1(A)|sorti2(h(A)).
% 1.90/2.09  ** KEPT (pick-wt=5): 8 [] -sorti2(A)|sorti1(j(A)).
% 1.90/2.09  ** KEPT (pick-wt=14): 9 [] -sorti1(A)| -sorti1(B)|h(op1(A,B))=op2(h(A),h(B)).
% 1.90/2.09  ** KEPT (pick-wt=14): 10 [] -sorti2(A)| -sorti2(B)|j(op2(A,B))=op1(j(A),j(B)).
% 1.90/2.09  ** KEPT (pick-wt=7): 11 [] -sorti2(A)|h(j(A))=A.
% 1.90/2.09  ** KEPT (pick-wt=7): 12 [] -sorti1(A)|j(h(A))=A.
% 1.90/2.09  
% 1.90/2.09  ------------> process sos:
% 1.90/2.09  ** KEPT (pick-wt=3): 17 [] A=A.
% 1.90/2.09  ** KEPT (pick-wt=2): 18 [] sorti1($c2).
% 1.90/2.09  ** KEPT (pick-wt=2): 19 [] sorti1($c1).
% 1.90/2.09  ** KEPT (pick-wt=7): 20 [] op1(op1($c2,$c1),$c1)=$c2.
% 1.90/2.09  ---> New Demodulator: 21 [new_demod,20] op1(op1($c2,$c1),$c1)=$c2.
% 1.90/2.09    Following clause subsumed by 17 during input processing: 0 [copy,17,flip.1] A=A.
% 1.90/2.09  >>>> Starting back demodulation with 21.
% 1.90/2.09  
% 1.90/2.09  ======= end of input processing =======
% 1.90/2.09  
% 1.90/2.09  =========== start of search ===========
% 1.90/2.09  
% 1.90/2.09  -------- PROOF -------- 
% 1.90/2.09  
% 1.90/2.09  ----> UNIT CONFLICT at   0.09 sec ----> 2599 [binary,2597.1,5.1] $F.
% 1.90/2.09  
% 1.90/2.09  Length of proof is 14.  Level of proof is 4.
% 1.90/2.09  
% 1.90/2.09  ---------------- PROOF ----------------
% 1.90/2.09  % SZS status Theorem
% 1.90/2.09  % SZS output start Refutation
% See solution above
% 1.90/2.09  ------------ end of proof -------------
% 1.90/2.09  
% 1.90/2.09  
% 1.90/2.09  Search stopped by max_proofs option.
% 1.90/2.09  
% 1.90/2.09  
% 1.90/2.09  Search stopped by max_proofs option.
% 1.90/2.09  
% 1.90/2.09  ============ end of search ============
% 1.90/2.09  
% 1.90/2.09  -------------- statistics -------------
% 1.90/2.09  clauses given                 46
% 1.90/2.09  clauses generated           1925
% 1.90/2.09  clauses kept                1718
% 1.90/2.09  clauses forward subsumed     275
% 1.90/2.09  clauses back subsumed          0
% 1.90/2.09  Kbytes malloced             2929
% 1.90/2.09  
% 1.90/2.09  ----------- times (seconds) -----------
% 1.90/2.09  user CPU time          0.09          (0 hr, 0 min, 0 sec)
% 1.90/2.09  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.90/2.09  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.90/2.09  
% 1.90/2.09  That finishes the proof of the theorem.
% 1.90/2.09  
% 1.90/2.09  Process 18518 finished Wed Jul 27 03:57:52 2022
% 1.90/2.09  Otter interrupted
% 1.90/2.09  PROOF FOUND
%------------------------------------------------------------------------------