TSTP Solution File: KLE021+4 by SPASS---3.9
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%------------------------------------------------------------------------------
% File : SPASS---3.9
% Problem : KLE021+4 : TPTP v8.1.0. Released v4.0.0.
% 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 : Sun Jul 17 02:28:04 EDT 2022
% Result : Theorem 0.62s 0.82s
% Output : Refutation 0.62s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 12
% Syntax : Number of clauses : 27 ( 9 unt; 0 nHn; 27 RR)
% Number of literals : 57 ( 0 equ; 33 neg)
% Maximal clause size : 5 ( 2 avg)
% Maximal term depth : 4 ( 1 avg)
% Number of predicates : 5 ( 4 usr; 1 prp; 0-2 aty)
% Number of functors : 11 ( 11 usr; 8 con; 0-2 aty)
% Number of variables : 0 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(1,axiom,
test__dfg(skc3),
file('KLE021+4.p',unknown),
[] ).
cnf(3,axiom,
equal(addition(u,u),u),
file('KLE021+4.p',unknown),
[] ).
cnf(5,axiom,
equal(multiplication(one,u),u),
file('KLE021+4.p',unknown),
[] ).
cnf(10,axiom,
equal(addition(u,v),addition(v,u)),
file('KLE021+4.p',unknown),
[] ).
cnf(13,axiom,
( ~ equal(addition(u,v),v)
| leq(u,v) ),
file('KLE021+4.p',unknown),
[] ).
cnf(14,axiom,
( ~ complement(u,v)
| equal(multiplication(v,u),zero) ),
file('KLE021+4.p',unknown),
[] ).
cnf(15,axiom,
( ~ complement(u,v)
| equal(multiplication(u,v),zero) ),
file('KLE021+4.p',unknown),
[] ).
cnf(16,axiom,
( ~ complement(u,v)
| equal(addition(v,u),one) ),
file('KLE021+4.p',unknown),
[] ).
cnf(19,axiom,
( ~ test__dfg(u)
| ~ equal(c(u),v)
| complement(u,v) ),
file('KLE021+4.p',unknown),
[] ).
cnf(22,axiom,
equal(multiplication(addition(u,v),w),addition(multiplication(u,w),multiplication(v,w))),
file('KLE021+4.p',unknown),
[] ).
cnf(25,axiom,
( ~ equal(addition(u,v),one)
| ~ equal(multiplication(v,u),zero)
| ~ equal(multiplication(u,v),zero)
| complement(v,u) ),
file('KLE021+4.p',unknown),
[] ).
cnf(26,axiom,
( ~ leq(skc4,addition(multiplication(skc3,skc4),multiplication(c(skc3),skc4)))
| ~ leq(addition(multiplication(skc3,skc5),multiplication(c(skc3),skc5)),skc5) ),
file('KLE021+4.p',unknown),
[] ).
cnf(29,plain,
( ~ equal(c(skc3),u)
| complement(skc3,u) ),
inference(res,[status(thm),theory(equality)],[1,19]),
[iquote('0:Res:1.0,19.0')] ).
cnf(73,plain,
( ~ complement(u,v)
| equal(addition(u,v),one) ),
inference(spr,[status(thm),theory(equality)],[16,10]),
[iquote('0:SpR:16.1,10.0')] ).
cnf(172,plain,
( ~ equal(u,u)
| leq(u,u) ),
inference(spl,[status(thm),theory(equality)],[3,13]),
[iquote('0:SpL:3.0,13.0')] ).
cnf(178,plain,
leq(u,u),
inference(obv,[status(thm),theory(equality)],[172]),
[iquote('0:Obv:172.0')] ).
cnf(292,plain,
( ~ complement(u,v)
| equal(multiplication(one,w),addition(multiplication(v,w),multiplication(u,w))) ),
inference(spr,[status(thm),theory(equality)],[16,22]),
[iquote('0:SpR:16.1,22.0')] ).
cnf(302,plain,
( ~ complement(u,v)
| equal(addition(multiplication(v,w),multiplication(u,w)),w) ),
inference(rew,[status(thm),theory(equality)],[5,292]),
[iquote('0:Rew:5.0,292.1')] ).
cnf(352,plain,
complement(skc3,c(skc3)),
inference(eqr,[status(thm),theory(equality)],[29]),
[iquote('0:EqR:29.0')] ).
cnf(519,plain,
( ~ complement(u,v)
| ~ equal(one,one)
| ~ equal(multiplication(v,u),zero)
| ~ equal(multiplication(u,v),zero)
| complement(v,u) ),
inference(spl,[status(thm),theory(equality)],[73,25]),
[iquote('0:SpL:73.1,25.0')] ).
cnf(533,plain,
( ~ complement(u,v)
| ~ equal(multiplication(v,u),zero)
| ~ equal(multiplication(u,v),zero)
| complement(v,u) ),
inference(obv,[status(thm),theory(equality)],[519]),
[iquote('0:Obv:519.1')] ).
cnf(534,plain,
( ~ complement(u,v)
| ~ equal(zero,zero)
| ~ equal(zero,zero)
| complement(v,u) ),
inference(rew,[status(thm),theory(equality)],[15,533,14]),
[iquote('0:Rew:15.1,533.2,14.1,533.1')] ).
cnf(535,plain,
( ~ complement(u,v)
| complement(v,u) ),
inference(obv,[status(thm),theory(equality)],[534]),
[iquote('0:Obv:534.2')] ).
cnf(964,plain,
complement(c(skc3),skc3),
inference(res,[status(thm),theory(equality)],[352,535]),
[iquote('0:Res:352.0,535.0')] ).
cnf(3184,plain,
( ~ complement(c(skc3),skc3)
| ~ leq(skc4,addition(multiplication(skc3,skc4),multiplication(c(skc3),skc4)))
| ~ leq(skc5,skc5) ),
inference(spl,[status(thm),theory(equality)],[302,26]),
[iquote('0:SpL:302.1,26.1')] ).
cnf(3211,plain,
( ~ complement(c(skc3),skc3)
| ~ leq(skc4,skc4)
| ~ leq(skc5,skc5) ),
inference(rew,[status(thm),theory(equality)],[302,3184]),
[iquote('0:Rew:302.1,3184.1')] ).
cnf(3212,plain,
$false,
inference(mrr,[status(thm)],[3211,964,178]),
[iquote('0:MRR:3211.0,3211.1,3211.2,964.0,178.0,178.0')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.01/0.12 % Problem : KLE021+4 : TPTP v8.1.0. Released v4.0.0.
% 0.13/0.13 % Command : run_spass %d %s
% 0.14/0.34 % Computer : n011.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 : Thu Jun 16 07:53:51 EDT 2022
% 0.14/0.35 % CPUTime :
% 0.62/0.82
% 0.62/0.82 SPASS V 3.9
% 0.62/0.82 SPASS beiseite: Proof found.
% 0.62/0.82 % SZS status Theorem
% 0.62/0.82 Problem: /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.62/0.82 SPASS derived 2515 clauses, backtracked 17 clauses, performed 1 splits and kept 918 clauses.
% 0.62/0.82 SPASS allocated 100000 KBytes.
% 0.62/0.82 SPASS spent 0:00:00.45 on the problem.
% 0.62/0.82 0:00:00.04 for the input.
% 0.62/0.82 0:00:00.03 for the FLOTTER CNF translation.
% 0.62/0.82 0:00:00.02 for inferences.
% 0.62/0.82 0:00:00.01 for the backtracking.
% 0.62/0.82 0:00:00.32 for the reduction.
% 0.62/0.82
% 0.62/0.82
% 0.62/0.82 Here is a proof with depth 3, length 27 :
% 0.62/0.82 % SZS output start Refutation
% See solution above
% 0.62/0.82 Formulae used in the proof : goals additive_idempotence multiplicative_left_identity additive_commutativity order test_2 test_3 left_distributivity
% 0.62/0.82
%------------------------------------------------------------------------------