TSTP Solution File: SWC317-1 by SPASS---3.9

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%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SWC317-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n016.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  : 600s
% DateTime : Tue Jul 19 22:03:16 EDT 2022

% Result   : Unsatisfiable 4.92s 5.12s
% Output   : Refutation 4.92s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :   11
% Syntax   : Number of clauses     :   29 (   9 unt;   3 nHn;  29 RR)
%            Number of literals    :   63 (   0 equ;  38 neg)
%            Maximal clause size   :    5 (   2 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    5 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :   11 (  11 usr;   9 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(5,axiom,
    equal(sk4,sk2),
    file('SWC317-1.p',unknown),
    [] ).

cnf(6,axiom,
    equal(sk3,sk1),
    file('SWC317-1.p',unknown),
    [] ).

cnf(7,axiom,
    ( neq(sk2,nil)
    | neq(sk2,nil) ),
    file('SWC317-1.p',unknown),
    [] ).

cnf(10,axiom,
    ( ssItem(sk5)
    | neq(sk2,nil) ),
    file('SWC317-1.p',unknown),
    [] ).

cnf(11,axiom,
    ( ssList(sk6)
    | neq(sk2,nil) ),
    file('SWC317-1.p',unknown),
    [] ).

cnf(14,axiom,
    ( ~ ssItem(u)
    | ~ ssList(v)
    | ~ equal(app(cons(u,nil),v),sk1)
    | ~ equal(app(v,cons(u,nil)),sk2)
    | ~ neq(sk4,nil) ),
    file('SWC317-1.p',unknown),
    [] ).

cnf(15,axiom,
    ( ~ neq(sk4,nil)
    | ssItem(sk5) ),
    file('SWC317-1.p',unknown),
    [] ).

cnf(16,axiom,
    ( ~ neq(sk4,nil)
    | ssList(sk6) ),
    file('SWC317-1.p',unknown),
    [] ).

cnf(17,axiom,
    ( ~ neq(sk4,nil)
    | equal(app(cons(sk5,nil),sk6),sk3) ),
    file('SWC317-1.p',unknown),
    [] ).

cnf(18,axiom,
    ( ~ neq(sk4,nil)
    | equal(app(sk6,cons(sk5,nil)),sk4) ),
    file('SWC317-1.p',unknown),
    [] ).

cnf(138,axiom,
    ( ~ ssList(u)
    | ~ ssItem(v)
    | equal(app(cons(v,nil),u),cons(v,u)) ),
    file('SWC317-1.p',unknown),
    [] ).

cnf(206,plain,
    ( ~ neq(sk2,nil)
    | ssList(sk6) ),
    inference(rew,[status(thm),theory(equality)],[5,16]),
    [iquote('0:Rew:5.0,16.0')] ).

cnf(207,plain,
    ssList(sk6),
    inference(mrr,[status(thm)],[206,11]),
    [iquote('0:MRR:206.0,11.1')] ).

cnf(208,plain,
    ( ~ neq(sk2,nil)
    | ssItem(sk5) ),
    inference(rew,[status(thm),theory(equality)],[5,15]),
    [iquote('0:Rew:5.0,15.0')] ).

cnf(209,plain,
    ssItem(sk5),
    inference(mrr,[status(thm)],[208,10]),
    [iquote('0:MRR:208.0,10.1')] ).

cnf(210,plain,
    neq(sk2,nil),
    inference(obv,[status(thm),theory(equality)],[7]),
    [iquote('0:Obv:7.0')] ).

cnf(211,plain,
    ( ~ neq(sk2,nil)
    | equal(app(sk6,cons(sk5,nil)),sk2) ),
    inference(rew,[status(thm),theory(equality)],[5,18]),
    [iquote('0:Rew:5.0,18.1,5.0,18.0')] ).

cnf(212,plain,
    equal(app(sk6,cons(sk5,nil)),sk2),
    inference(mrr,[status(thm)],[211,210]),
    [iquote('0:MRR:211.0,210.0')] ).

cnf(213,plain,
    ( ~ neq(sk2,nil)
    | equal(app(cons(sk5,nil),sk6),sk1) ),
    inference(rew,[status(thm),theory(equality)],[6,17,5]),
    [iquote('0:Rew:6.0,17.1,5.0,17.0')] ).

cnf(214,plain,
    equal(app(cons(sk5,nil),sk6),sk1),
    inference(mrr,[status(thm)],[213,210]),
    [iquote('0:MRR:213.0,210.0')] ).

cnf(219,plain,
    ( ~ ssItem(u)
    | ~ ssList(v)
    | ~ equal(cons(u,v),sk1)
    | ~ equal(app(v,cons(u,nil)),sk2)
    | ~ neq(sk2,nil) ),
    inference(rew,[status(thm),theory(equality)],[5,14,138]),
    [iquote('0:Rew:5.0,14.4,138.2,14.2')] ).

cnf(220,plain,
    ( ~ ssList(u)
    | ~ ssItem(v)
    | ~ equal(cons(v,u),sk1)
    | ~ equal(app(u,cons(v,nil)),sk2) ),
    inference(mrr,[status(thm)],[219,210]),
    [iquote('0:MRR:219.4,210.0')] ).

cnf(14714,plain,
    ( ~ ssList(sk6)
    | ~ ssItem(sk5)
    | equal(cons(sk5,sk6),sk1) ),
    inference(spr,[status(thm),theory(equality)],[138,214]),
    [iquote('0:SpR:138.2,214.0')] ).

cnf(14721,plain,
    equal(cons(sk5,sk6),sk1),
    inference(ssi,[status(thm)],[14714,209,207]),
    [iquote('0:SSi:14714.1,14714.0,209.0,207.0')] ).

cnf(16600,plain,
    ( ~ ssList(sk6)
    | ~ ssItem(sk5)
    | ~ equal(cons(sk5,sk6),sk1)
    | ~ equal(sk2,sk2) ),
    inference(spl,[status(thm),theory(equality)],[212,220]),
    [iquote('0:SpL:212.0,220.3')] ).

cnf(16655,plain,
    ( ~ ssList(sk6)
    | ~ ssItem(sk5)
    | ~ equal(cons(sk5,sk6),sk1) ),
    inference(obv,[status(thm),theory(equality)],[16600]),
    [iquote('0:Obv:16600.3')] ).

cnf(16656,plain,
    ( ~ ssList(sk6)
    | ~ ssItem(sk5)
    | ~ equal(sk1,sk1) ),
    inference(rew,[status(thm),theory(equality)],[14721,16655]),
    [iquote('0:Rew:14721.0,16655.2')] ).

cnf(16657,plain,
    ( ~ ssList(sk6)
    | ~ ssItem(sk5) ),
    inference(obv,[status(thm),theory(equality)],[16656]),
    [iquote('0:Obv:16656.2')] ).

cnf(16658,plain,
    $false,
    inference(ssi,[status(thm)],[16657,209,207]),
    [iquote('0:SSi:16657.1,16657.0,209.0,207.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SWC317-1 : TPTP v8.1.0. Released v2.4.0.
% 0.03/0.12  % Command  : run_spass %d %s
% 0.12/0.34  % Computer : n016.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Sun Jun 12 10:41:12 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 4.92/5.12  
% 4.92/5.12  SPASS V 3.9 
% 4.92/5.12  SPASS beiseite: Proof found.
% 4.92/5.12  % SZS status Theorem
% 4.92/5.12  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 4.92/5.12  SPASS derived 11336 clauses, backtracked 6634 clauses, performed 108 splits and kept 12002 clauses.
% 4.92/5.12  SPASS allocated 85742 KBytes.
% 4.92/5.12  SPASS spent	0:00:04.01 on the problem.
% 4.92/5.12  		0:00:00.04 for the input.
% 4.92/5.12  		0:00:00.00 for the FLOTTER CNF translation.
% 4.92/5.12  		0:00:00.07 for inferences.
% 4.92/5.12  		0:00:00.07 for the backtracking.
% 4.92/5.12  		0:00:03.56 for the reduction.
% 4.92/5.12  
% 4.92/5.12  
% 4.92/5.12  Here is a proof with depth 1, length 29 :
% 4.92/5.12  % SZS output start Refutation
% See solution above
% 4.92/5.12  Formulae used in the proof : co1_5 co1_6 co1_7 co1_10 co1_11 co1_14 co1_15 co1_16 co1_17 co1_18 clause120
% 4.92/5.12  
%------------------------------------------------------------------------------