TSTP Solution File: SYN075+1 by SPASS---3.9

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%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SYN075+1 : TPTP v8.1.0. Released v2.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n021.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 : Thu Jul 21 12:18:22 EDT 2022

% Result   : Theorem 0.19s 0.45s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   18
%            Number of leaves      :    6
% Syntax   : Number of clauses     :   43 (  10 unt;  17 nHn;  43 RR)
%            Number of literals    :   90 (   0 equ;  42 neg)
%            Maximal clause size   :    3 (   2 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ big(u,v)
    | equal(u,skc7) ),
    file('SYN075+1.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ big(u,v)
    | equal(v,skc8) ),
    file('SYN075+1.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ equal(u,skc7)
    | ~ equal(v,skc8)
    | big(u,v) ),
    file('SYN075+1.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ equal(u,skf5(v))
    | big(u,skf3(v))
    | equal(skf3(v),v) ),
    file('SYN075+1.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ equal(skf3(u),u)
    | equal(skf6(v,u),v)
    | big(skf6(v,u),skf3(u)) ),
    file('SYN075+1.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ equal(skf3(u),u)
    | ~ equal(skf6(v,u),v)
    | ~ big(skf6(v,u),skf3(u)) ),
    file('SYN075+1.p',unknown),
    [] ).

cnf(12,plain,
    ( ~ equal(u,skf5(v))
    | equal(skf3(v),v)
    | equal(skf3(v),skc8) ),
    inference(res,[status(thm),theory(equality)],[5,2]),
    [iquote('0:Res:5.1,2.0')] ).

cnf(14,plain,
    ( equal(skf3(u),u)
    | equal(skf3(u),skc8) ),
    inference(aed,[status(thm),theory(equality)],[12]),
    [iquote('0:AED:12.0')] ).

cnf(15,plain,
    ( ~ equal(u,skf5(v))
    | big(u,skc8)
    | equal(skf3(v),v) ),
    inference(rew,[status(thm),theory(equality)],[14,5]),
    [iquote('0:Rew:14.1,5.1')] ).

cnf(16,plain,
    ( ~ equal(u,skc8)
    | equal(skf3(u),skc8) ),
    inference(eqf,[status(thm),theory(equality)],[14]),
    [iquote('0:EqF:14.0,14.1')] ).

cnf(18,plain,
    equal(skf3(skc8),skc8),
    inference(fac,[status(thm)],[14]),
    [iquote('0:Fac:14.0,14.1')] ).

cnf(35,plain,
    ( big(skf5(u),skc8)
    | equal(skf3(u),u) ),
    inference(eqr,[status(thm),theory(equality)],[15]),
    [iquote('0:EqR:15.0')] ).

cnf(49,plain,
    ( equal(skf3(u),u)
    | equal(skf5(u),skc7) ),
    inference(res,[status(thm),theory(equality)],[35,1]),
    [iquote('0:Res:35.0,1.0')] ).

cnf(52,plain,
    ( big(skc7,skc8)
    | equal(skf3(u),u) ),
    inference(rew,[status(thm),theory(equality)],[49,35]),
    [iquote('0:Rew:49.1,35.0')] ).

cnf(61,plain,
    equal(skf3(u),u),
    inference(spt,[spt(split,[position(s1)])],[52]),
    [iquote('1:Spt:52.1')] ).

cnf(64,plain,
    ( ~ equal(u,u)
    | ~ equal(skf6(v,u),v)
    | ~ big(skf6(v,u),skf3(u)) ),
    inference(rew,[status(thm),theory(equality)],[61,7]),
    [iquote('1:Rew:61.0,7.0')] ).

cnf(65,plain,
    ( ~ equal(u,u)
    | equal(skf6(v,u),v)
    | big(skf6(v,u),skf3(u)) ),
    inference(rew,[status(thm),theory(equality)],[61,6]),
    [iquote('1:Rew:61.0,6.0')] ).

cnf(69,plain,
    ( equal(skf6(u,v),u)
    | big(skf6(u,v),skf3(v)) ),
    inference(obv,[status(thm),theory(equality)],[65]),
    [iquote('1:Obv:65.0')] ).

cnf(70,plain,
    ( equal(skf6(u,v),u)
    | big(skf6(u,v),v) ),
    inference(rew,[status(thm),theory(equality)],[61,69]),
    [iquote('1:Rew:61.0,69.1')] ).

cnf(71,plain,
    ( ~ equal(skf6(u,v),u)
    | ~ big(skf6(u,v),skf3(v)) ),
    inference(obv,[status(thm),theory(equality)],[64]),
    [iquote('1:Obv:64.0')] ).

cnf(72,plain,
    ( ~ equal(skf6(u,v),u)
    | ~ big(skf6(u,v),v) ),
    inference(rew,[status(thm),theory(equality)],[61,71]),
    [iquote('1:Rew:61.0,71.1')] ).

cnf(77,plain,
    ( equal(skf6(u,v),u)
    | equal(skf6(u,v),skc7) ),
    inference(res,[status(thm),theory(equality)],[70,1]),
    [iquote('1:Res:70.1,1.0')] ).

cnf(79,plain,
    ( equal(skf6(u,v),u)
    | big(skc7,v) ),
    inference(rew,[status(thm),theory(equality)],[77,70]),
    [iquote('1:Rew:77.1,70.1')] ).

cnf(102,plain,
    ( ~ equal(skf6(u,v),u)
    | ~ big(u,v)
    | big(skc7,v) ),
    inference(spl,[status(thm),theory(equality)],[79,72]),
    [iquote('1:SpL:79.0,72.1')] ).

cnf(105,plain,
    ( ~ equal(u,u)
    | ~ big(u,v)
    | big(skc7,v) ),
    inference(rew,[status(thm),theory(equality)],[79,102]),
    [iquote('1:Rew:79.0,102.0')] ).

cnf(106,plain,
    ( ~ big(u,v)
    | big(skc7,v) ),
    inference(obv,[status(thm),theory(equality)],[105]),
    [iquote('1:Obv:105.0')] ).

cnf(125,plain,
    equal(skf6(skc7,u),skc7),
    inference(fac,[status(thm)],[77]),
    [iquote('1:Fac:77.0,77.1')] ).

cnf(145,plain,
    ( ~ equal(skf6(skc7,u),skc7)
    | ~ big(skc7,u) ),
    inference(spl,[status(thm),theory(equality)],[125,72]),
    [iquote('1:SpL:125.0,72.1')] ).

cnf(146,plain,
    ( ~ equal(skc7,skc7)
    | ~ big(skc7,u) ),
    inference(rew,[status(thm),theory(equality)],[125,145]),
    [iquote('1:Rew:125.0,145.0')] ).

cnf(147,plain,
    ~ big(skc7,u),
    inference(obv,[status(thm),theory(equality)],[146]),
    [iquote('1:Obv:146.0')] ).

cnf(149,plain,
    ~ big(u,v),
    inference(mrr,[status(thm)],[106,147]),
    [iquote('1:MRR:106.1,147.0')] ).

cnf(151,plain,
    ( ~ equal(u,skc7)
    | ~ equal(v,skc8) ),
    inference(mrr,[status(thm)],[4,149]),
    [iquote('1:MRR:4.2,149.0')] ).

cnf(156,plain,
    $false,
    inference(aed,[status(thm),theory(equality)],[151]),
    [iquote('1:AED:151.1')] ).

cnf(160,plain,
    big(skc7,skc8),
    inference(spt,[spt(split,[position(s2)])],[52]),
    [iquote('1:Spt:156.0,52.0')] ).

cnf(409,plain,
    ( ~ equal(skf3(skc8),skc8)
    | equal(skf6(u,skc8),u)
    | big(skf6(u,skc8),skc8) ),
    inference(spr,[status(thm),theory(equality)],[18,6]),
    [iquote('0:SpR:18.0,6.2')] ).

cnf(421,plain,
    ( ~ equal(skc8,skc8)
    | equal(skf6(u,skc8),u)
    | big(skf6(u,skc8),skc8) ),
    inference(rew,[status(thm),theory(equality)],[18,409]),
    [iquote('0:Rew:18.0,409.0')] ).

cnf(422,plain,
    ( equal(skf6(u,skc8),u)
    | big(skf6(u,skc8),skc8) ),
    inference(obv,[status(thm),theory(equality)],[421]),
    [iquote('0:Obv:421.0')] ).

cnf(437,plain,
    ( equal(skf6(u,skc8),u)
    | equal(skf6(u,skc8),skc7) ),
    inference(res,[status(thm),theory(equality)],[422,1]),
    [iquote('0:Res:422.1,1.0')] ).

cnf(444,plain,
    equal(skf6(skc7,skc8),skc7),
    inference(fac,[status(thm)],[437]),
    [iquote('0:Fac:437.0,437.1')] ).

cnf(463,plain,
    ( ~ equal(skf3(skc8),skc8)
    | ~ equal(skf6(skc7,skc8),skc7)
    | ~ big(skc7,skf3(skc8)) ),
    inference(spl,[status(thm),theory(equality)],[444,7]),
    [iquote('0:SpL:444.0,7.2')] ).

cnf(465,plain,
    ( ~ equal(skc8,skc8)
    | ~ equal(skc7,skc7)
    | ~ big(skc7,skc8) ),
    inference(rew,[status(thm),theory(equality)],[16,463,444,18]),
    [iquote('0:Rew:16.1,463.2,444.0,463.1,18.0,463.0')] ).

cnf(466,plain,
    ~ big(skc7,skc8),
    inference(obv,[status(thm),theory(equality)],[465]),
    [iquote('0:Obv:465.1')] ).

cnf(467,plain,
    $false,
    inference(mrr,[status(thm)],[466,160]),
    [iquote('1:MRR:466.0,160.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SYN075+1 : TPTP v8.1.0. Released v2.0.0.
% 0.00/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n021.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 : Tue Jul 12 05:29:39 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.19/0.45  
% 0.19/0.45  SPASS V 3.9 
% 0.19/0.45  SPASS beiseite: Proof found.
% 0.19/0.45  % SZS status Theorem
% 0.19/0.45  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.19/0.45  SPASS derived 345 clauses, backtracked 44 clauses, performed 4 splits and kept 162 clauses.
% 0.19/0.45  SPASS allocated 85310 KBytes.
% 0.19/0.45  SPASS spent	0:00:00.10 on the problem.
% 0.19/0.45  		0:00:00.03 for the input.
% 0.19/0.45  		0:00:00.03 for the FLOTTER CNF translation.
% 0.19/0.45  		0:00:00.00 for inferences.
% 0.19/0.45  		0:00:00.00 for the backtracking.
% 0.19/0.45  		0:00:00.02 for the reduction.
% 0.19/0.45  
% 0.19/0.45  
% 0.19/0.45  Here is a proof with depth 6, length 43 :
% 0.19/0.45  % SZS output start Refutation
% See solution above
% 0.19/0.45  Formulae used in the proof : pel52_1 pel52
% 0.19/0.45  
%------------------------------------------------------------------------------