%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : SYN561-1 : TPTP v9.3.1. Released v2.5.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n017.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Thu Sep 24 03:16:48 PM UTC 2026
% Result : Unsatisfiable 0.13s 0.39s
% Output : CNFRefutation 0.13s
% Verified :
% SZS Type : Refutation
% Derivation depth : 12
% Number of leaves : 8
% Syntax : Number of formulae : 28 ( 14 unt; 0 def)
% Number of atoms : 63 ( 0 equ)
% Maximal formula atoms : 5 ( 2 avg)
% Number of connectives : 82 ( 47 ~; 35 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 9 ( 4 avg)
% Maximal term depth : 4 ( 1 avg)
% Number of predicates : 4 ( 3 usr; 1 prp; 0-2 aty)
% Number of functors : 12 ( 12 usr; 7 con; 0-2 aty)
% Number of variables : 35 ( 35 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f1,negated_conjecture,
! [X0] : p2(X0,X0),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f2,negated_conjecture,
p9(c14,c10),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f3,negated_conjecture,
p8(c11,c14),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f4,negated_conjecture,
p2(f7(c10,c14),c15),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f5,negated_conjecture,
p2(f6(c15,c11),c16),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f6,negated_conjecture,
p2(f3(f4(f5(c12)),c13),c16),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f9,negated_conjecture,
! [X1,X2,X0] :
( ~ p2(X0,X2)
| ~ p2(X0,X1)
| p2(X1,X2) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f15,negated_conjecture,
! [X28,X27] :
( ~ p2(f6(X27,c11),f3(f4(f5(c12)),c13))
| ~ p2(f7(c10,X28),X27)
| ~ p8(c11,X28)
| ~ p9(X28,c10) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f16,plain,
! [X0] : p2(X0,X0),
inference(cnf_transformation,[status(thm)],[f1]) ).
fof(f17,plain,
p9(c14,c10),
inference(cnf_transformation,[status(thm)],[f2]) ).
fof(f18,plain,
p8(c11,c14),
inference(cnf_transformation,[status(thm)],[f3]) ).
fof(f19,plain,
p2(f7(c10,c14),c15),
inference(cnf_transformation,[status(thm)],[f4]) ).
fof(f20,plain,
p2(f6(c15,c11),c16),
inference(cnf_transformation,[status(thm)],[f5]) ).
fof(f21,plain,
p2(f3(f4(f5(c12)),c13),c16),
inference(cnf_transformation,[status(thm)],[f6]) ).
fof(f24,plain,
! [X2,X0] :
( ~ p2(X0,X2)
| ! [X1] :
( ~ p2(X0,X1)
| p2(X1,X2) ) ),
inference(miniscoping,[status(thm)],[f9]) ).
fof(f25,plain,
! [X0,X1,X2] :
( ~ p2(X2,X1)
| ~ p2(X2,X0)
| p2(X0,X1) ),
inference(cnf_transformation,[status(thm)],[f24]) ).
fof(f36,plain,
! [X27] :
( ~ p2(f6(X27,c11),f3(f4(f5(c12)),c13))
| ! [X28] :
( ~ p2(f7(c10,X28),X27)
| ~ p8(c11,X28)
| ~ p9(X28,c10) ) ),
inference(miniscoping,[status(thm)],[f15]) ).
fof(f37,plain,
! [X0,X1] :
( ~ p2(f6(X1,c11),f3(f4(f5(c12)),c13))
| ~ p2(f7(c10,X0),X1)
| ~ p8(c11,X0)
| ~ p9(X0,c10) ),
inference(cnf_transformation,[status(thm)],[f36]) ).
fof(f38,plain,
! [X0,X1,X2] :
( ~ p2(X2,f3(f4(f5(c12)),c13))
| ~ p2(X2,f6(X1,c11))
| ~ p2(f7(c10,X0),X1)
| ~ p8(c11,X0)
| ~ p9(X0,c10) ),
inference(resolution,[status(thm)],[f37,f25]) ).
fof(f39,plain,
! [X0,X1] :
( ~ p2(X1,f3(f4(f5(c12)),c13))
| ~ p2(X1,f6(X0,c11))
| ~ p2(f7(c10,c14),X0)
| ~ p9(c14,c10) ),
inference(resolution,[status(thm)],[f38,f18]) ).
fof(f41,plain,
! [X0,X1] :
( ~ p2(X1,f3(f4(f5(c12)),c13))
| ~ p2(X1,f6(X0,c11))
| ~ p2(f7(c10,c14),X0) ),
inference(forward_subsumption_resolution,[status(thm)],[f39,f17]) ).
fof(f43,plain,
! [X0,X1,X2] :
( ~ p2(X2,f3(f4(f5(c12)),c13))
| ~ p2(X2,X1)
| ~ p2(X1,f6(X0,c11))
| ~ p2(f7(c10,c14),X0) ),
inference(resolution,[status(thm)],[f41,f25]) ).
fof(f49,plain,
! [X0,X1] :
( ~ p2(f3(f4(f5(c12)),c13),X1)
| ~ p2(X1,f6(X0,c11))
| ~ p2(f7(c10,c14),X0) ),
inference(resolution,[status(thm)],[f43,f16]) ).
fof(f51,plain,
! [X0,X1,X2] :
( ~ p2(X2,f6(X0,c11))
| ~ p2(X2,X1)
| ~ p2(f3(f4(f5(c12)),c13),X1)
| ~ p2(f7(c10,c14),X0) ),
inference(resolution,[status(thm)],[f49,f25]) ).
fof(f56,plain,
! [X0,X1] :
( ~ p2(f6(X0,c11),X1)
| ~ p2(f3(f4(f5(c12)),c13),X1)
| ~ p2(f7(c10,c14),X0) ),
inference(resolution,[status(thm)],[f51,f16]) ).
fof(f57,plain,
! [X0] :
( ~ p2(f6(X0,c11),c16)
| ~ p2(f7(c10,c14),X0) ),
inference(resolution,[status(thm)],[f56,f21]) ).
fof(f61,plain,
~ p2(f7(c10,c14),c15),
inference(resolution,[status(thm)],[f57,f20]) ).
fof(f63,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[f61,f19]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SYN561-1 : TPTP v9.3.1. Released v2.5.0.
% 0.00/0.04 % Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.08/0.35 % Computer : n017.cluster.edu
% 0.08/0.35 % Model : x86_64 x86_64
% 0.08/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.35 % Memory : 8046.5625MB
% 0.08/0.35 % OS : Linux 6.8.0-71-generic
% 0.08/0.35 % CPULimit : 300
% 0.08/0.35 % WCLimit : 300
% 0.08/0.35 % DateTime : Mon Sep 21 11:03:57 UTC 2026
% 0.08/0.36 % CPUTime :
% 0.08/0.37 % Drodi V4.1.1
% 0.13/0.39 % Refutation found
% 0.13/0.39 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.13/0.39 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.13/0.41 % Elapsed time: 0.048078 seconds
% 0.13/0.41 % CPU time: 0.153448 seconds
% 0.13/0.41 % Total memory used: 56.479 MB
% 0.13/0.41 % Net memory used: 55.966 MB
%------------------------------------------------------------------------------