TSTP Solution File: SWC046+1 by SPASS---3.9

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%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SWC046+1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n011.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 22:01:20 EDT 2022

% Result   : Theorem 0.77s 0.97s
% Output   : Refutation 0.77s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    9
% Syntax   : Number of clauses     :   26 (   9 unt;   9 nHn;  26 RR)
%            Number of literals    :   57 (   0 equ;  29 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    :    9 (   9 usr;   6 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(2,axiom,
    ssList(skc4),
    file('SWC046+1.p',unknown),
    [] ).

cnf(14,axiom,
    equal(nil,skc5),
    file('SWC046+1.p',unknown),
    [] ).

cnf(53,axiom,
    ~ equal(nil,skc4),
    file('SWC046+1.p',unknown),
    [] ).

cnf(69,axiom,
    ( ~ ssItem(u)
    | ~ memberP(nil,u) ),
    file('SWC046+1.p',unknown),
    [] ).

cnf(82,axiom,
    ( ~ ssList(u)
    | equal(nil,u)
    | ssItem(hd(u)) ),
    file('SWC046+1.p',unknown),
    [] ).

cnf(83,axiom,
    ( ~ ssList(u)
    | equal(nil,u)
    | ssList(tl(u)) ),
    file('SWC046+1.p',unknown),
    [] ).

cnf(84,axiom,
    ( ~ ssItem(u)
    | ~ memberP(skc4,u)
    | memberP(skc5,u) ),
    file('SWC046+1.p',unknown),
    [] ).

cnf(115,axiom,
    ( ~ ssList(u)
    | equal(nil,u)
    | equal(cons(hd(u),tl(u)),u) ),
    file('SWC046+1.p',unknown),
    [] ).

cnf(145,axiom,
    ( ~ ssList(u)
    | ~ ssItem(v)
    | ~ ssItem(w)
    | ~ equal(w,v)
    | memberP(cons(v,u),w) ),
    file('SWC046+1.p',unknown),
    [] ).

cnf(204,plain,
    ~ equal(skc5,skc4),
    inference(rew,[status(thm),theory(equality)],[14,53]),
    [iquote('0:Rew:14.0,53.0')] ).

cnf(215,plain,
    ( ~ ssItem(u)
    | ~ memberP(skc5,u) ),
    inference(rew,[status(thm),theory(equality)],[14,69]),
    [iquote('0:Rew:14.0,69.1')] ).

cnf(218,plain,
    ( ~ ssList(u)
    | ssList(tl(u))
    | equal(skc5,u) ),
    inference(rew,[status(thm),theory(equality)],[14,83]),
    [iquote('0:Rew:14.0,83.1')] ).

cnf(219,plain,
    ( ~ ssList(u)
    | ssItem(hd(u))
    | equal(skc5,u) ),
    inference(rew,[status(thm),theory(equality)],[14,82]),
    [iquote('0:Rew:14.0,82.1')] ).

cnf(228,plain,
    ( ~ ssItem(u)
    | ~ memberP(skc4,u) ),
    inference(mrr,[status(thm)],[84,215]),
    [iquote('0:MRR:84.2,215.1')] ).

cnf(231,plain,
    ( ~ ssList(u)
    | equal(skc5,u)
    | equal(cons(hd(u),tl(u)),u) ),
    inference(rew,[status(thm),theory(equality)],[14,115]),
    [iquote('0:Rew:14.0,115.1')] ).

cnf(302,plain,
    ( equal(skc5,skc4)
    | equal(cons(hd(skc4),tl(skc4)),skc4) ),
    inference(res,[status(thm),theory(equality)],[2,231]),
    [iquote('0:Res:2.0,231.0')] ).

cnf(327,plain,
    ( equal(skc5,skc4)
    | ssItem(hd(skc4)) ),
    inference(res,[status(thm),theory(equality)],[2,219]),
    [iquote('0:Res:2.0,219.0')] ).

cnf(328,plain,
    ( equal(skc5,skc4)
    | ssList(tl(skc4)) ),
    inference(res,[status(thm),theory(equality)],[2,218]),
    [iquote('0:Res:2.0,218.0')] ).

cnf(596,plain,
    ssItem(hd(skc4)),
    inference(mrr,[status(thm)],[327,204]),
    [iquote('0:MRR:327.0,204.0')] ).

cnf(597,plain,
    ssList(tl(skc4)),
    inference(mrr,[status(thm)],[328,204]),
    [iquote('0:MRR:328.0,204.0')] ).

cnf(607,plain,
    equal(cons(hd(skc4),tl(skc4)),skc4),
    inference(mrr,[status(thm)],[302,204]),
    [iquote('0:MRR:302.0,204.0')] ).

cnf(2879,plain,
    ( ~ ssList(tl(skc4))
    | ~ ssItem(hd(skc4))
    | ~ ssItem(u)
    | ~ equal(u,hd(skc4))
    | memberP(skc4,u) ),
    inference(spr,[status(thm),theory(equality)],[607,145]),
    [iquote('0:SpR:607.0,145.4')] ).

cnf(2893,plain,
    ( ~ ssItem(u)
    | ~ equal(u,hd(skc4))
    | memberP(skc4,u) ),
    inference(ssi,[status(thm)],[2879,596,597]),
    [iquote('0:SSi:2879.1,2879.0,596.0,597.0')] ).

cnf(2894,plain,
    ( ~ ssItem(u)
    | ~ equal(u,hd(skc4)) ),
    inference(mrr,[status(thm)],[2893,228]),
    [iquote('0:MRR:2893.2,228.1')] ).

cnf(3000,plain,
    ~ ssItem(hd(skc4)),
    inference(eqr,[status(thm),theory(equality)],[2894]),
    [iquote('0:EqR:2894.1')] ).

cnf(3001,plain,
    $false,
    inference(ssi,[status(thm)],[3000,596]),
    [iquote('0:SSi:3000.0,596.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.11  % Problem  : SWC046+1 : TPTP v8.1.0. Released v2.4.0.
% 0.07/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n011.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 00:37:02 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.77/0.97  
% 0.77/0.97  SPASS V 3.9 
% 0.77/0.97  SPASS beiseite: Proof found.
% 0.77/0.97  % SZS status Theorem
% 0.77/0.97  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.77/0.97  SPASS derived 1937 clauses, backtracked 73 clauses, performed 7 splits and kept 860 clauses.
% 0.77/0.97  SPASS allocated 100372 KBytes.
% 0.77/0.97  SPASS spent	0:00:00.61 on the problem.
% 0.77/0.97  		0:00:00.04 for the input.
% 0.77/0.97  		0:00:00.07 for the FLOTTER CNF translation.
% 0.77/0.97  		0:00:00.02 for inferences.
% 0.77/0.97  		0:00:00.01 for the backtracking.
% 0.77/0.97  		0:00:00.33 for the reduction.
% 0.77/0.97  
% 0.77/0.97  
% 0.77/0.97  Here is a proof with depth 3, length 26 :
% 0.77/0.97  % SZS output start Refutation
% See solution above
% 0.77/0.97  Formulae used in the proof : co1 ax17 ax38 ax75 ax76 ax78 ax37
% 0.77/0.97  
%------------------------------------------------------------------------------