TSTP Solution File: GEO022-2 by SPASS---3.9
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%------------------------------------------------------------------------------
% File : SPASS---3.9
% Problem : GEO022-2 : TPTP v8.1.0. Released v1.0.0.
% Transfm : none
% Format : tptp
% Command : run_spass %d %s
% Computer : n032.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 06:21:39 EDT 2022
% Result : Unsatisfiable 0.14s 0.33s
% Output : Refutation 0.14s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 5
% Syntax : Number of clauses : 12 ( 8 unt; 0 nHn; 12 RR)
% Number of literals : 17 ( 0 equ; 6 neg)
% Maximal clause size : 3 ( 1 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-4 aty)
% Number of functors : 12 ( 12 usr; 12 con; 0-0 aty)
% Number of variables : 0 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(1,axiom,
equidistant(u__dfg,v__dfg,w__dfg,x__dfg),
file('GEO022-2.p',unknown),
[] ).
cnf(2,axiom,
equidistant(w__dfg,x__dfg,y__dfg,z__dfg),
file('GEO022-2.p',unknown),
[] ).
cnf(3,axiom,
~ equidistant(u__dfg,v__dfg,y__dfg,z__dfg),
file('GEO022-2.p',unknown),
[] ).
cnf(4,axiom,
equidistant(u,v,v,u),
file('GEO022-2.p',unknown),
[] ).
cnf(5,axiom,
( ~ equidistant(u,v,w,x)
| ~ equidistant(u,v,y,z)
| equidistant(y,z,w,x) ),
file('GEO022-2.p',unknown),
[] ).
cnf(31,plain,
( ~ equidistant(w__dfg,x__dfg,u,v)
| equidistant(u,v,y__dfg,z__dfg) ),
inference(res,[status(thm),theory(equality)],[2,5]),
[iquote('0:Res:2.0,5.0')] ).
cnf(32,plain,
( ~ equidistant(u__dfg,v__dfg,u,v)
| equidistant(u,v,w__dfg,x__dfg) ),
inference(res,[status(thm),theory(equality)],[1,5]),
[iquote('0:Res:1.0,5.0')] ).
cnf(33,plain,
( ~ equidistant(u,v,w,x)
| equidistant(w,x,v,u) ),
inference(res,[status(thm),theory(equality)],[4,5]),
[iquote('0:Res:4.0,5.0')] ).
cnf(41,plain,
equidistant(v__dfg,u__dfg,w__dfg,x__dfg),
inference(res,[status(thm),theory(equality)],[4,32]),
[iquote('0:Res:4.0,32.0')] ).
cnf(72,plain,
equidistant(w__dfg,x__dfg,u__dfg,v__dfg),
inference(res,[status(thm),theory(equality)],[41,33]),
[iquote('0:Res:41.0,33.0')] ).
cnf(84,plain,
equidistant(u__dfg,v__dfg,y__dfg,z__dfg),
inference(res,[status(thm),theory(equality)],[72,31]),
[iquote('0:Res:72.0,31.0')] ).
cnf(87,plain,
$false,
inference(mrr,[status(thm)],[84,3]),
[iquote('0:MRR:84.0,3.0')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.09 % Problem : GEO022-2 : TPTP v8.1.0. Released v1.0.0.
% 0.00/0.10 % Command : run_spass %d %s
% 0.09/0.28 % Computer : n032.cluster.edu
% 0.09/0.28 % Model : x86_64 x86_64
% 0.09/0.28 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.28 % Memory : 8042.1875MB
% 0.09/0.28 % OS : Linux 3.10.0-693.el7.x86_64
% 0.09/0.28 % CPULimit : 300
% 0.09/0.28 % WCLimit : 600
% 0.09/0.28 % DateTime : Fri Jun 17 19:19:31 EDT 2022
% 0.09/0.28 % CPUTime :
% 0.14/0.33
% 0.14/0.33 SPASS V 3.9
% 0.14/0.33 SPASS beiseite: Proof found.
% 0.14/0.33 % SZS status Theorem
% 0.14/0.33 Problem: /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.14/0.33 SPASS derived 65 clauses, backtracked 0 clauses, performed 0 splits and kept 59 clauses.
% 0.14/0.33 SPASS allocated 63163 KBytes.
% 0.14/0.33 SPASS spent 0:00:00.04 on the problem.
% 0.14/0.33 0:00:00.02 for the input.
% 0.14/0.33 0:00:00.00 for the FLOTTER CNF translation.
% 0.14/0.33 0:00:00.00 for inferences.
% 0.14/0.33 0:00:00.00 for the backtracking.
% 0.14/0.33 0:00:00.00 for the reduction.
% 0.14/0.33
% 0.14/0.33
% 0.14/0.33 Here is a proof with depth 4, length 12 :
% 0.14/0.33 % SZS output start Refutation
% See solution above
% 0.14/0.33 Formulae used in the proof : u_to_v_equals_w_to_x w_to_x_equals_y_to_z prove_transitivity reflexivity_for_equidistance transitivity_for_equidistance
% 0.14/0.33
%------------------------------------------------------------------------------