TSTP Solution File: KLE148+1 by SPASS---3.9
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%------------------------------------------------------------------------------
% File : SPASS---3.9
% Problem : KLE148+1 : TPTP v8.1.0. Released v4.0.0.
% Transfm : none
% Format : tptp
% Command : run_spass %d %s
% Computer : n027.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 02:28:46 EDT 2022
% Result : Theorem 0.54s 0.72s
% Output : Refutation 0.54s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 9
% Syntax : Number of clauses : 18 ( 18 unt; 0 nHn; 18 RR)
% Number of literals : 18 ( 0 equ; 1 neg)
% Maximal clause size : 1 ( 1 avg)
% Maximal term depth : 5 ( 2 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 10 ( 10 usr; 7 con; 0-2 aty)
% Number of variables : 0 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(1,axiom,
equal(multiplication(skc2,skc3),zero),
file('KLE148+1.p',unknown),
[] ).
cnf(2,axiom,
equal(addition(u,zero),u),
file('KLE148+1.p',unknown),
[] ).
cnf(4,axiom,
equal(multiplication(u,one),u),
file('KLE148+1.p',unknown),
[] ).
cnf(6,axiom,
equal(multiplication(zero,u),zero),
file('KLE148+1.p',unknown),
[] ).
cnf(7,axiom,
~ equal(multiplication(skc2,strong_iteration(skc3)),skc2),
file('KLE148+1.p',unknown),
[] ).
cnf(8,axiom,
equal(addition(u,v),addition(v,u)),
file('KLE148+1.p',unknown),
[] ).
cnf(11,axiom,
equal(addition(multiplication(u,strong_iteration(u)),one),strong_iteration(u)),
file('KLE148+1.p',unknown),
[] ).
cnf(16,axiom,
equal(multiplication(multiplication(u,v),w),multiplication(u,multiplication(v,w))),
file('KLE148+1.p',unknown),
[] ).
cnf(17,axiom,
equal(multiplication(u,addition(v,w)),addition(multiplication(u,v),multiplication(u,w))),
file('KLE148+1.p',unknown),
[] ).
cnf(22,plain,
equal(addition(one,multiplication(u,strong_iteration(u))),strong_iteration(u)),
inference(rew,[status(thm),theory(equality)],[8,11]),
[iquote('0:Rew:8.0,11.0')] ).
cnf(32,plain,
equal(addition(zero,u),u),
inference(spr,[status(thm),theory(equality)],[8,2]),
[iquote('0:SpR:8.0,2.0')] ).
cnf(105,plain,
equal(multiplication(skc2,multiplication(skc3,u)),multiplication(zero,u)),
inference(spr,[status(thm),theory(equality)],[1,16]),
[iquote('0:SpR:1.0,16.0')] ).
cnf(110,plain,
equal(multiplication(skc2,multiplication(skc3,u)),zero),
inference(rew,[status(thm),theory(equality)],[6,105]),
[iquote('0:Rew:6.0,105.0')] ).
cnf(273,plain,
equal(addition(multiplication(u,one),multiplication(u,multiplication(v,strong_iteration(v)))),multiplication(u,strong_iteration(v))),
inference(spr,[status(thm),theory(equality)],[22,17]),
[iquote('0:SpR:22.0,17.0')] ).
cnf(284,plain,
equal(addition(u,multiplication(u,multiplication(v,strong_iteration(v)))),multiplication(u,strong_iteration(v))),
inference(rew,[status(thm),theory(equality)],[4,273]),
[iquote('0:Rew:4.0,273.0')] ).
cnf(2513,plain,
equal(multiplication(skc2,strong_iteration(skc3)),addition(skc2,zero)),
inference(spr,[status(thm),theory(equality)],[110,284]),
[iquote('0:SpR:110.0,284.0')] ).
cnf(2524,plain,
equal(multiplication(skc2,strong_iteration(skc3)),skc2),
inference(rew,[status(thm),theory(equality)],[32,2513,8]),
[iquote('0:Rew:32.0,2513.0,8.0,2513.0')] ).
cnf(2525,plain,
$false,
inference(mrr,[status(thm)],[2524,7]),
[iquote('0:MRR:2524.0,7.0')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.14 % Problem : KLE148+1 : TPTP v8.1.0. Released v4.0.0.
% 0.08/0.14 % Command : run_spass %d %s
% 0.14/0.36 % Computer : n027.cluster.edu
% 0.14/0.36 % Model : x86_64 x86_64
% 0.14/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.36 % Memory : 8042.1875MB
% 0.14/0.36 % OS : Linux 3.10.0-693.el7.x86_64
% 0.14/0.36 % CPULimit : 300
% 0.14/0.36 % WCLimit : 600
% 0.14/0.36 % DateTime : Thu Jun 16 16:38:35 EDT 2022
% 0.14/0.36 % CPUTime :
% 0.54/0.72
% 0.54/0.72 SPASS V 3.9
% 0.54/0.72 SPASS beiseite: Proof found.
% 0.54/0.72 % SZS status Theorem
% 0.54/0.72 Problem: /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.54/0.72 SPASS derived 1910 clauses, backtracked 0 clauses, performed 0 splits and kept 605 clauses.
% 0.54/0.72 SPASS allocated 87297 KBytes.
% 0.54/0.72 SPASS spent 0:00:00.34 on the problem.
% 0.54/0.72 0:00:00.03 for the input.
% 0.54/0.72 0:00:00.03 for the FLOTTER CNF translation.
% 0.54/0.72 0:00:00.02 for inferences.
% 0.54/0.72 0:00:00.00 for the backtracking.
% 0.54/0.72 0:00:00.23 for the reduction.
% 0.54/0.72
% 0.54/0.72
% 0.54/0.72 Here is a proof with depth 2, length 18 :
% 0.54/0.72 % SZS output start Refutation
% See solution above
% 0.54/0.72 Formulae used in the proof : goals additive_identity multiplicative_right_identity left_annihilation additive_commutativity infty_unfold1 multiplicative_associativity distributivity1
% 0.54/0.72
%------------------------------------------------------------------------------