TSTP Solution File: SEU149+2 by SPASS---3.9
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%------------------------------------------------------------------------------
% File : SPASS---3.9
% Problem : SEU149+2 : TPTP v8.1.0. Released v3.3.0.
% Transfm : none
% Format : tptp
% Command : run_spass %d %s
% Computer : n008.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 14:34:22 EDT 2022
% Result : Theorem 0.38s 0.54s
% Output : Refutation 0.38s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 4
% Syntax : Number of clauses : 10 ( 5 unt; 0 nHn; 10 RR)
% Number of literals : 17 ( 0 equ; 10 neg)
% Maximal clause size : 3 ( 1 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 3 ( 2 usr; 1 prp; 0-2 aty)
% Number of functors : 9 ( 9 usr; 7 con; 0-2 aty)
% Number of variables : 0 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(6,axiom,
~ equal(skc6,skc5),
file('SEU149+2.p',unknown),
[] ).
cnf(19,axiom,
equal(unordered_pair(skc6,skc7),singleton(skc5)),
file('SEU149+2.p',unknown),
[] ).
cnf(72,axiom,
( ~ in(u,v)
| ~ equal(v,singleton(w))
| equal(u,w) ),
file('SEU149+2.p',unknown),
[] ).
cnf(78,axiom,
( ~ equal(u,v)
| ~ equal(w,unordered_pair(v,x))
| in(u,w) ),
file('SEU149+2.p',unknown),
[] ).
cnf(137,plain,
( ~ in(u,unordered_pair(skc6,skc7))
| equal(u,skc5) ),
inference(res,[status(thm),theory(equality)],[19,72]),
[iquote('0:Res:19.0,72.1')] ).
cnf(145,plain,
( ~ equal(u,skc6)
| in(u,singleton(skc5)) ),
inference(res,[status(thm),theory(equality)],[19,78]),
[iquote('0:Res:19.0,78.1')] ).
cnf(149,plain,
( ~ in(u,singleton(skc5))
| equal(u,skc5) ),
inference(rew,[status(thm),theory(equality)],[19,137]),
[iquote('0:Rew:19.0,137.0')] ).
cnf(152,plain,
~ in(skc6,singleton(skc5)),
inference(res,[status(thm),theory(equality)],[149,6]),
[iquote('0:Res:149.1,6.0')] ).
cnf(255,plain,
~ equal(skc6,skc6),
inference(res,[status(thm),theory(equality)],[145,152]),
[iquote('0:Res:145.1,152.0')] ).
cnf(258,plain,
$false,
inference(obv,[status(thm),theory(equality)],[255]),
[iquote('0:Obv:255.0')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12 % Problem : SEU149+2 : TPTP v8.1.0. Released v3.3.0.
% 0.03/0.13 % Command : run_spass %d %s
% 0.14/0.34 % Computer : n008.cluster.edu
% 0.14/0.34 % Model : x86_64 x86_64
% 0.14/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34 % Memory : 8042.1875MB
% 0.14/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34 % CPULimit : 300
% 0.14/0.34 % WCLimit : 600
% 0.14/0.34 % DateTime : Sun Jun 19 07:21:52 EDT 2022
% 0.14/0.34 % CPUTime :
% 0.38/0.54
% 0.38/0.54 SPASS V 3.9
% 0.38/0.54 SPASS beiseite: Proof found.
% 0.38/0.54 % SZS status Theorem
% 0.38/0.54 Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.38/0.54 SPASS derived 127 clauses, backtracked 0 clauses, performed 0 splits and kept 152 clauses.
% 0.38/0.54 SPASS allocated 99248 KBytes.
% 0.38/0.54 SPASS spent 0:00:00.19 on the problem.
% 0.38/0.54 0:00:00.03 for the input.
% 0.38/0.54 0:00:00.12 for the FLOTTER CNF translation.
% 0.38/0.54 0:00:00.00 for inferences.
% 0.38/0.54 0:00:00.00 for the backtracking.
% 0.38/0.54 0:00:00.01 for the reduction.
% 0.38/0.54
% 0.38/0.54
% 0.38/0.54 Here is a proof with depth 3, length 10 :
% 0.38/0.54 % SZS output start Refutation
% See solution above
% 0.38/0.54 Formulae used in the proof : t8_zfmisc_1 d1_tarski d2_tarski
% 0.38/0.54
%------------------------------------------------------------------------------