%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : PUZ008-2 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n008.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 01:59:50 PM UTC 2026
% Result : Unsatisfiable 0.08s 0.37s
% Output : CNFRefutation 0.08s
% Verified :
% SZS Type : Refutation
% Derivation depth : 8
% Number of leaves : 13
% Syntax : Number of formulae : 38 ( 16 unt; 0 def)
% Number of atoms : 60 ( 0 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 51 ( 29 ~; 22 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 3 ( 2 avg)
% Maximal term depth : 3 ( 2 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-3 aty)
% Number of functors : 10 ( 10 usr; 6 con; 0-2 aty)
% Number of variables : 0 ( 0 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f6,axiom,
( banks(west(m(n3),c(n1)),east(m(n0),c(n2)),boatoneast)
| ~ banks(west(m(n3),c(n3)),east(m(n0),c(n0)),boatonwest) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f7,axiom,
( banks(west(m(n0),c(n1)),east(m(n3),c(n2)),boatoneast)
| ~ banks(west(m(n0),c(n3)),east(m(n3),c(n0)),boatonwest) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f8,axiom,
( banks(west(m(n3),c(n0)),east(m(n0),c(n3)),boatoneast)
| ~ banks(west(m(n3),c(n2)),east(m(n0),c(n1)),boatonwest) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f9,axiom,
( banks(west(m(n0),c(n0)),east(m(n3),c(n3)),boatoneast)
| ~ banks(west(m(n0),c(n2)),east(m(n3),c(n1)),boatonwest) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f10,axiom,
( banks(west(m(n0),c(n3)),east(m(n3),c(n0)),boatonwest)
| ~ banks(west(m(n0),c(n2)),east(m(n3),c(n1)),boatoneast) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f11,axiom,
( banks(west(m(n0),c(n2)),east(m(n3),c(n1)),boatonwest)
| ~ banks(west(m(n0),c(n1)),east(m(n3),c(n2)),boatoneast) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f12,axiom,
( banks(west(m(n3),c(n1)),east(m(n0),c(n2)),boatonwest)
| ~ banks(west(m(n3),c(n0)),east(m(n0),c(n3)),boatoneast) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f14,axiom,
( banks(west(m(n3),c(n2)),east(m(n0),c(n1)),boatonwest)
| ~ banks(west(m(n3),c(n1)),east(m(n0),c(n2)),boatoneast) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f20,axiom,
( banks(west(m(n1),c(n1)),east(m(n2),c(n2)),boatoneast)
| ~ banks(west(m(n3),c(n1)),east(m(n0),c(n2)),boatonwest) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f21,axiom,
( banks(west(m(n0),c(n2)),east(m(n3),c(n1)),boatoneast)
| ~ banks(west(m(n2),c(n2)),east(m(n1),c(n1)),boatonwest) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f29,axiom,
( banks(west(m(n2),c(n2)),east(m(n1),c(n1)),boatonwest)
| ~ banks(west(m(n1),c(n1)),east(m(n2),c(n2)),boatoneast) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f31,hypothesis,
banks(west(m(n3),c(n3)),east(m(n0),c(n0)),boatonwest),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f32,negated_conjecture,
~ banks(west(m(n0),c(n0)),east(m(n3),c(n3)),boatoneast),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f38,plain,
( banks(west(m(n3),c(n1)),east(m(n0),c(n2)),boatoneast)
| ~ banks(west(m(n3),c(n3)),east(m(n0),c(n0)),boatonwest) ),
inference(cnf_transformation,[status(thm)],[f6]) ).
fof(f39,plain,
( banks(west(m(n0),c(n1)),east(m(n3),c(n2)),boatoneast)
| ~ banks(west(m(n0),c(n3)),east(m(n3),c(n0)),boatonwest) ),
inference(cnf_transformation,[status(thm)],[f7]) ).
fof(f40,plain,
( banks(west(m(n3),c(n0)),east(m(n0),c(n3)),boatoneast)
| ~ banks(west(m(n3),c(n2)),east(m(n0),c(n1)),boatonwest) ),
inference(cnf_transformation,[status(thm)],[f8]) ).
fof(f41,plain,
( banks(west(m(n0),c(n0)),east(m(n3),c(n3)),boatoneast)
| ~ banks(west(m(n0),c(n2)),east(m(n3),c(n1)),boatonwest) ),
inference(cnf_transformation,[status(thm)],[f9]) ).
fof(f42,plain,
( banks(west(m(n0),c(n3)),east(m(n3),c(n0)),boatonwest)
| ~ banks(west(m(n0),c(n2)),east(m(n3),c(n1)),boatoneast) ),
inference(cnf_transformation,[status(thm)],[f10]) ).
fof(f43,plain,
( banks(west(m(n0),c(n2)),east(m(n3),c(n1)),boatonwest)
| ~ banks(west(m(n0),c(n1)),east(m(n3),c(n2)),boatoneast) ),
inference(cnf_transformation,[status(thm)],[f11]) ).
fof(f44,plain,
( banks(west(m(n3),c(n1)),east(m(n0),c(n2)),boatonwest)
| ~ banks(west(m(n3),c(n0)),east(m(n0),c(n3)),boatoneast) ),
inference(cnf_transformation,[status(thm)],[f12]) ).
fof(f46,plain,
( banks(west(m(n3),c(n2)),east(m(n0),c(n1)),boatonwest)
| ~ banks(west(m(n3),c(n1)),east(m(n0),c(n2)),boatoneast) ),
inference(cnf_transformation,[status(thm)],[f14]) ).
fof(f52,plain,
( banks(west(m(n1),c(n1)),east(m(n2),c(n2)),boatoneast)
| ~ banks(west(m(n3),c(n1)),east(m(n0),c(n2)),boatonwest) ),
inference(cnf_transformation,[status(thm)],[f20]) ).
fof(f53,plain,
( banks(west(m(n0),c(n2)),east(m(n3),c(n1)),boatoneast)
| ~ banks(west(m(n2),c(n2)),east(m(n1),c(n1)),boatonwest) ),
inference(cnf_transformation,[status(thm)],[f21]) ).
fof(f61,plain,
( banks(west(m(n2),c(n2)),east(m(n1),c(n1)),boatonwest)
| ~ banks(west(m(n1),c(n1)),east(m(n2),c(n2)),boatoneast) ),
inference(cnf_transformation,[status(thm)],[f29]) ).
fof(f63,plain,
banks(west(m(n3),c(n3)),east(m(n0),c(n0)),boatonwest),
inference(cnf_transformation,[status(thm)],[f31]) ).
fof(f64,plain,
~ banks(west(m(n0),c(n0)),east(m(n3),c(n3)),boatoneast),
inference(cnf_transformation,[status(thm)],[f32]) ).
fof(f66,plain,
~ banks(west(m(n0),c(n2)),east(m(n3),c(n1)),boatonwest),
inference(forward_subsumption_resolution,[status(thm)],[f41,f64]) ).
fof(f68,plain,
~ banks(west(m(n0),c(n3)),east(m(n3),c(n0)),boatonwest),
inference(backward_subsumption_resolution,[status(thm)],[f39,f69]) ).
fof(f69,plain,
~ banks(west(m(n0),c(n1)),east(m(n3),c(n2)),boatoneast),
inference(forward_subsumption_resolution,[status(thm)],[f43,f66]) ).
fof(f70,plain,
~ banks(west(m(n0),c(n2)),east(m(n3),c(n1)),boatoneast),
inference(backward_subsumption_resolution,[status(thm)],[f42,f68]) ).
fof(f71,plain,
banks(west(m(n3),c(n1)),east(m(n0),c(n2)),boatoneast),
inference(backward_subsumption_resolution,[status(thm)],[f38,f63]) ).
fof(f72,plain,
banks(west(m(n3),c(n0)),east(m(n0),c(n3)),boatoneast),
inference(backward_subsumption_resolution,[status(thm)],[f40,f73]) ).
fof(f73,plain,
banks(west(m(n3),c(n2)),east(m(n0),c(n1)),boatonwest),
inference(forward_subsumption_resolution,[status(thm)],[f46,f71]) ).
fof(f74,plain,
banks(west(m(n3),c(n1)),east(m(n0),c(n2)),boatonwest),
inference(backward_subsumption_resolution,[status(thm)],[f44,f72]) ).
fof(f77,plain,
banks(west(m(n1),c(n1)),east(m(n2),c(n2)),boatoneast),
inference(forward_subsumption_resolution,[status(thm)],[f52,f74]) ).
fof(f78,plain,
~ banks(west(m(n2),c(n2)),east(m(n1),c(n1)),boatonwest),
inference(forward_subsumption_resolution,[status(thm)],[f53,f70]) ).
fof(f80,plain,
banks(west(m(n2),c(n2)),east(m(n1),c(n1)),boatonwest),
inference(forward_subsumption_resolution,[status(thm)],[f61,f77]) ).
fof(f81,plain,
$false,
inference(backward_subsumption_resolution,[status(thm)],[f78,f80]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : PUZ008-2 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.03 % Command : drodi -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.08/0.36 % Computer : n008.cluster.edu
% 0.08/0.36 % Model : x86_64 x86_64
% 0.08/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.36 % Memory : 8046.5625MB
% 0.08/0.36 % OS : Linux 6.8.0-71-generic
% 0.08/0.36 % CPULimit : 300
% 0.08/0.36 % WCLimit : 300
% 0.08/0.36 % DateTime : Mon Sep 21 03:45:39 UTC 2026
% 0.08/0.36 % CPUTime :
% 0.08/0.37 % Drodi V4.1.1
% 0.08/0.37 % Refutation found
% 0.08/0.37 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.08/0.37 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.13/0.40 % Elapsed time: 0.037389 seconds
% 0.13/0.40 % CPU time: 0.067355 seconds
% 0.13/0.40 % Total memory used: 5.331 MB
% 0.13/0.40 % Net memory used: 5.329 MB
%------------------------------------------------------------------------------