TSTP Solution File: GRP702-11 by SPASS---3.9
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%------------------------------------------------------------------------------
% File : SPASS---3.9
% Problem : GRP702-11 : TPTP v8.1.0. Released v8.1.0.
% Transfm : none
% Format : tptp
% Command : run_spass %d %s
% Computer : n006.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 : Sat Jul 16 11:49:03 EDT 2022
% Result : Unsatisfiable 0.21s 0.42s
% Output : Refutation 0.21s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 4
% Syntax : Number of clauses : 8 ( 8 unt; 0 nHn; 8 RR)
% Number of literals : 8 ( 0 equ; 3 neg)
% Maximal clause size : 1 ( 1 avg)
% Maximal term depth : 3 ( 2 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 8 ( 8 usr; 6 con; 0-2 aty)
% Number of variables : 0 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(2,axiom,
equal(ld(u,mult(u,v)),v),
file('GRP702-11.p',unknown),
[] ).
cnf(9,axiom,
equal(mult(mult(u,v),op_c),mult(u,mult(v,op_c))),
file('GRP702-11.p',unknown),
[] ).
cnf(11,axiom,
equal(ld(u,mult(op_c,u)),op_d),
file('GRP702-11.p',unknown),
[] ).
cnf(14,axiom,
~ equal(mult(mult(x0__dfg,x1__dfg),op_d),mult(x0__dfg,mult(x1__dfg,op_d))),
file('GRP702-11.p',unknown),
[] ).
cnf(34,plain,
equal(op_d,op_c),
inference(spr,[status(thm),theory(equality)],[2,11]),
[iquote('0:SpR:2.0,11.0')] ).
cnf(41,plain,
~ equal(mult(mult(x0__dfg,x1__dfg),op_c),mult(x0__dfg,mult(x1__dfg,op_c))),
inference(rew,[status(thm),theory(equality)],[34,14]),
[iquote('0:Rew:34.0,14.0')] ).
cnf(42,plain,
~ equal(mult(x0__dfg,mult(x1__dfg,op_c)),mult(x0__dfg,mult(x1__dfg,op_c))),
inference(rew,[status(thm),theory(equality)],[9,41]),
[iquote('0:Rew:9.0,41.0')] ).
cnf(43,plain,
$false,
inference(obv,[status(thm),theory(equality)],[42]),
[iquote('0:Obv:42.0')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12 % Problem : GRP702-11 : TPTP v8.1.0. Released v8.1.0.
% 0.04/0.13 % Command : run_spass %d %s
% 0.15/0.34 % Computer : n006.cluster.edu
% 0.15/0.34 % Model : x86_64 x86_64
% 0.15/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.34 % Memory : 8042.1875MB
% 0.15/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.15/0.35 % CPULimit : 300
% 0.15/0.35 % WCLimit : 600
% 0.15/0.35 % DateTime : Tue Jun 14 05:24:56 EDT 2022
% 0.15/0.35 % CPUTime :
% 0.21/0.42
% 0.21/0.42 SPASS V 3.9
% 0.21/0.42 SPASS beiseite: Proof found.
% 0.21/0.42 % SZS status Theorem
% 0.21/0.42 Problem: /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.21/0.42 SPASS derived 27 clauses, backtracked 0 clauses, performed 0 splits and kept 23 clauses.
% 0.21/0.42 SPASS allocated 63121 KBytes.
% 0.21/0.42 SPASS spent 0:00:00.06 on the problem.
% 0.21/0.42 0:00:00.03 for the input.
% 0.21/0.42 0:00:00.00 for the FLOTTER CNF translation.
% 0.21/0.42 0:00:00.00 for inferences.
% 0.21/0.42 0:00:00.00 for the backtracking.
% 0.21/0.42 0:00:00.00 for the reduction.
% 0.21/0.42
% 0.21/0.42
% 0.21/0.42 Here is a proof with depth 1, length 8 :
% 0.21/0.42 % SZS output start Refutation
% See solution above
% 0.21/0.42 Formulae used in the proof : f02 f09 f11 goal
% 0.21/0.42
%------------------------------------------------------------------------------