TSTP Solution File: SWC096-1 by SPASS---3.9

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%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SWC096-1 : 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 22:01:41 EDT 2022

% Result   : Unsatisfiable 4.92s 5.10s
% Output   : Refutation 4.92s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :   10
% Syntax   : Number of clauses     :   28 (   9 unt;   3 nHn;  28 RR)
%            Number of literals    :   60 (   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('SWC096-1.p',unknown),
    [] ).

cnf(6,axiom,
    equal(sk3,sk1),
    file('SWC096-1.p',unknown),
    [] ).

cnf(7,axiom,
    ( neq(sk2,nil)
    | neq(sk2,nil) ),
    file('SWC096-1.p',unknown),
    [] ).

cnf(10,axiom,
    ( ssItem(sk5)
    | neq(sk2,nil) ),
    file('SWC096-1.p',unknown),
    [] ).

cnf(11,axiom,
    ( ssList(sk6)
    | neq(sk2,nil) ),
    file('SWC096-1.p',unknown),
    [] ).

cnf(14,axiom,
    ( ~ ssItem(u)
    | ~ ssList(v)
    | ~ equal(cons(u,nil),sk1)
    | ~ equal(app(v,cons(u,nil)),sk2)
    | ~ neq(sk4,nil) ),
    file('SWC096-1.p',unknown),
    [] ).

cnf(15,axiom,
    ( ~ neq(sk4,nil)
    | ssItem(sk5) ),
    file('SWC096-1.p',unknown),
    [] ).

cnf(16,axiom,
    ( ~ neq(sk4,nil)
    | ssList(sk6) ),
    file('SWC096-1.p',unknown),
    [] ).

cnf(17,axiom,
    ( ~ neq(sk4,nil)
    | equal(cons(sk5,nil),sk3) ),
    file('SWC096-1.p',unknown),
    [] ).

cnf(18,axiom,
    ( ~ neq(sk4,nil)
    | equal(app(sk6,cons(sk5,nil)),sk4) ),
    file('SWC096-1.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(cons(sk5,nil),sk1) ),
    inference(rew,[status(thm),theory(equality)],[6,17,5]),
    [iquote('0:Rew:6.0,17.1,5.0,17.0')] ).

cnf(212,plain,
    equal(cons(sk5,nil),sk1),
    inference(mrr,[status(thm)],[211,210]),
    [iquote('0:MRR:211.0,210.0')] ).

cnf(213,plain,
    ( ~ neq(sk2,nil)
    | equal(app(sk6,sk1),sk2) ),
    inference(rew,[status(thm),theory(equality)],[212,18,5]),
    [iquote('0:Rew:212.0,18.1,5.0,18.1,5.0,18.0')] ).

cnf(214,plain,
    equal(app(sk6,sk1),sk2),
    inference(mrr,[status(thm)],[213,210]),
    [iquote('0:MRR:213.0,210.0')] ).

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

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

cnf(15835,plain,
    ( ~ ssList(u)
    | ~ ssItem(sk5)
    | ~ equal(cons(sk5,nil),sk1)
    | ~ equal(app(u,sk1),sk2) ),
    inference(spl,[status(thm),theory(equality)],[212,220]),
    [iquote('0:SpL:212.0,220.3')] ).

cnf(15844,plain,
    ( ~ ssList(u)
    | ~ ssItem(sk5)
    | ~ equal(sk1,sk1)
    | ~ equal(app(u,sk1),sk2) ),
    inference(rew,[status(thm),theory(equality)],[212,15835]),
    [iquote('0:Rew:212.0,15835.2')] ).

cnf(15845,plain,
    ( ~ ssList(u)
    | ~ ssItem(sk5)
    | ~ equal(app(u,sk1),sk2) ),
    inference(obv,[status(thm),theory(equality)],[15844]),
    [iquote('0:Obv:15844.2')] ).

cnf(15846,plain,
    ( ~ ssList(u)
    | ~ equal(app(u,sk1),sk2) ),
    inference(ssi,[status(thm)],[15845,209]),
    [iquote('0:SSi:15845.1,209.0')] ).

cnf(16742,plain,
    ( ~ ssList(sk6)
    | ~ equal(sk2,sk2) ),
    inference(spl,[status(thm),theory(equality)],[214,15846]),
    [iquote('0:SpL:214.0,15846.1')] ).

cnf(16746,plain,
    ~ ssList(sk6),
    inference(obv,[status(thm),theory(equality)],[16742]),
    [iquote('0:Obv:16742.1')] ).

cnf(16747,plain,
    $false,
    inference(ssi,[status(thm)],[16746,207]),
    [iquote('0:SSi:16746.0,207.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : SWC096-1 : TPTP v8.1.0. Released v2.4.0.
% 0.06/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n016.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  : 600
% 0.12/0.33  % DateTime : Sun Jun 12 05:51:42 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 4.92/5.10  
% 4.92/5.10  SPASS V 3.9 
% 4.92/5.10  SPASS beiseite: Proof found.
% 4.92/5.10  % SZS status Theorem
% 4.92/5.10  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 4.92/5.10  SPASS derived 11161 clauses, backtracked 4506 clauses, performed 81 splits and kept 9426 clauses.
% 4.92/5.10  SPASS allocated 86594 KBytes.
% 4.92/5.10  SPASS spent	0:00:04.12 on the problem.
% 4.92/5.10  		0:00:00.04 for the input.
% 4.92/5.10  		0:00:00.00 for the FLOTTER CNF translation.
% 4.92/5.10  		0:00:00.08 for inferences.
% 4.92/5.10  		0:00:00.09 for the backtracking.
% 4.92/5.10  		0:00:03.69 for the reduction.
% 4.92/5.10  
% 4.92/5.10  
% 4.92/5.10  Here is a proof with depth 2, length 28 :
% 4.92/5.10  % SZS output start Refutation
% See solution above
% 4.92/5.10  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
% 4.92/5.10  
%------------------------------------------------------------------------------