%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : PLA031-1.002 : TPTP v9.3.1. Released v3.5.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n001.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 01:58:34 PM UTC 2026
% Result : Unsatisfiable 8.14s 1.91s
% Output : CNFRefutation 8.14s
% Verified :
% SZS Type : Refutation
% Derivation depth : 18
% Number of leaves : 19
% Syntax : Number of formulae : 63 ( 31 unt; 0 def)
% Number of atoms : 106 ( 0 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 88 ( 45 ~; 43 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 12 ( 6 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 5 ( 4 usr; 1 prp; 0-7 aty)
% Number of functors : 5 ( 5 usr; 5 con; 0-0 aty)
% Number of variables : 207 ( 207 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [L,O2,O3,D1,D2,T2] :
( s(truck1,O2,O3,D1,D2,L,T2)
| ~ s(L,O2,O3,D1,D2,L,T2) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f2,axiom,
! [L,O2,O3,D1,D2,T2] :
( ~ s(truck1,O2,O3,D1,D2,L,T2)
| s(L,O2,O3,D1,D2,L,T2) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f5,axiom,
! [O1,L,O3,D1,D2,T2] :
( s(O1,truck1,O3,D1,D2,L,T2)
| ~ s(O1,L,O3,D1,D2,L,T2) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f6,axiom,
! [O1,L,O3,D1,D2,T2] :
( ~ s(O1,truck1,O3,D1,D2,L,T2)
| s(O1,L,O3,D1,D2,L,T2) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f9,axiom,
! [O1,O2,L,D1,D2,T2] :
( s(O1,O2,truck1,D1,D2,L,T2)
| ~ s(O1,O2,L,D1,D2,L,T2) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f10,axiom,
! [O1,O2,L,D1,D2,T2] :
( ~ s(O1,O2,truck1,D1,D2,L,T2)
| s(O1,O2,L,D1,D2,L,T2) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f13,axiom,
! [O1,O2,O3,L,D2,T2] :
( s(O1,O2,O3,truck1,D2,L,T2)
| ~ neq(D2,truck1)
| ~ s(O1,O2,O3,L,D2,L,T2) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f14,axiom,
! [O1,O2,O3,L,D2,T2] :
( ~ s(O1,O2,O3,truck1,D2,L,T2)
| s(O1,O2,O3,L,D2,L,T2) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f21,axiom,
! [O1,O2,O3,D2,S,T2,D] :
( s(O1,O2,O3,truck1,D2,D,T2)
| ~ link(S,D)
| ~ s(O1,O2,O3,truck1,D2,S,T2) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f25,axiom,
! [O1,O2,O3,S,D2,T1,T2,D] :
( s(O1,O2,O3,D,D2,T1,T2)
| ~ path(S,D)
| ~ s(O1,O2,O3,S,D2,T1,T2) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f26,axiom,
! [O1,O2,O3,D1,S,T1,T2,D] :
( s(O1,O2,O3,D1,D,T1,T2)
| ~ path(S,D)
| ~ s(O1,O2,O3,D1,S,T1,T2) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f48,axiom,
neq(s1,truck1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f81,axiom,
path(p2_1,s2),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f82,axiom,
path(s1,p2_1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f85,axiom,
link(s1,s0),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f87,axiom,
link(s2,s1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f89,axiom,
link(s0,s2),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f90,axiom,
s(s1,s1,s1,s1,s1,s2,s0),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f91,negated_conjecture,
! [X5,X7] : ~ s(s0,s0,s2,s2,X5,s2,X7),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f92,plain,
! [X0,X1,X2,X3,X4,X5] :
( s(truck1,X1,X2,X3,X4,X0,X5)
| ~ s(X0,X1,X2,X3,X4,X0,X5) ),
inference(cnf_transformation,[status(thm)],[f1]) ).
fof(f93,plain,
! [X0,X1,X2,X3,X4,X5] :
( ~ s(truck1,X1,X2,X3,X4,X0,X5)
| s(X0,X1,X2,X3,X4,X0,X5) ),
inference(cnf_transformation,[status(thm)],[f2]) ).
fof(f96,plain,
! [X0,X1,X2,X3,X4,X5] :
( s(X0,truck1,X2,X3,X4,X1,X5)
| ~ s(X0,X1,X2,X3,X4,X1,X5) ),
inference(cnf_transformation,[status(thm)],[f5]) ).
fof(f97,plain,
! [X0,X1,X2,X3,X4,X5] :
( ~ s(X0,truck1,X2,X3,X4,X1,X5)
| s(X0,X1,X2,X3,X4,X1,X5) ),
inference(cnf_transformation,[status(thm)],[f6]) ).
fof(f100,plain,
! [X0,X1,X2,X3,X4,X5] :
( s(X0,X1,truck1,X3,X4,X2,X5)
| ~ s(X0,X1,X2,X3,X4,X2,X5) ),
inference(cnf_transformation,[status(thm)],[f9]) ).
fof(f101,plain,
! [X0,X1,X2,X3,X4,X5] :
( ~ s(X0,X1,truck1,X3,X4,X2,X5)
| s(X0,X1,X2,X3,X4,X2,X5) ),
inference(cnf_transformation,[status(thm)],[f10]) ).
fof(f104,plain,
! [X0,X1,X2,X3,X4,X5] :
( s(X0,X1,X2,truck1,X4,X3,X5)
| ~ neq(X4,truck1)
| ~ s(X0,X1,X2,X3,X4,X3,X5) ),
inference(cnf_transformation,[status(thm)],[f13]) ).
fof(f105,plain,
! [X0,X1,X2,X3,X4,X5] :
( ~ s(X0,X1,X2,truck1,X4,X3,X5)
| s(X0,X1,X2,X3,X4,X3,X5) ),
inference(cnf_transformation,[status(thm)],[f14]) ).
fof(f112,plain,
! [O1,O2,O3,D2,T2,D] :
( s(O1,O2,O3,truck1,D2,D,T2)
| ! [S] :
( ~ link(S,D)
| ~ s(O1,O2,O3,truck1,D2,S,T2) ) ),
inference(miniscoping,[status(thm)],[f21]) ).
fof(f113,plain,
! [X0,X1,X2,X3,X4,X5,X6] :
( s(X0,X1,X2,truck1,X3,X6,X5)
| ~ link(X4,X6)
| ~ s(X0,X1,X2,truck1,X3,X4,X5) ),
inference(cnf_transformation,[status(thm)],[f112]) ).
fof(f120,plain,
! [O1,O2,O3,D2,T1,T2,D] :
( s(O1,O2,O3,D,D2,T1,T2)
| ! [S] :
( ~ path(S,D)
| ~ s(O1,O2,O3,S,D2,T1,T2) ) ),
inference(miniscoping,[status(thm)],[f25]) ).
fof(f121,plain,
! [X0,X1,X2,X3,X4,X5,X6,X7] :
( s(X0,X1,X2,X7,X4,X5,X6)
| ~ path(X3,X7)
| ~ s(X0,X1,X2,X3,X4,X5,X6) ),
inference(cnf_transformation,[status(thm)],[f120]) ).
fof(f122,plain,
! [O1,O2,O3,D1,T1,T2,D] :
( s(O1,O2,O3,D1,D,T1,T2)
| ! [S] :
( ~ path(S,D)
| ~ s(O1,O2,O3,D1,S,T1,T2) ) ),
inference(miniscoping,[status(thm)],[f26]) ).
fof(f123,plain,
! [X0,X1,X2,X3,X4,X5,X6,X7] :
( s(X0,X1,X2,X3,X7,X5,X6)
| ~ path(X4,X7)
| ~ s(X0,X1,X2,X3,X4,X5,X6) ),
inference(cnf_transformation,[status(thm)],[f122]) ).
fof(f145,plain,
neq(s1,truck1),
inference(cnf_transformation,[status(thm)],[f48]) ).
fof(f178,plain,
path(p2_1,s2),
inference(cnf_transformation,[status(thm)],[f81]) ).
fof(f179,plain,
path(s1,p2_1),
inference(cnf_transformation,[status(thm)],[f82]) ).
fof(f182,plain,
link(s1,s0),
inference(cnf_transformation,[status(thm)],[f85]) ).
fof(f184,plain,
link(s2,s1),
inference(cnf_transformation,[status(thm)],[f87]) ).
fof(f186,plain,
link(s0,s2),
inference(cnf_transformation,[status(thm)],[f89]) ).
fof(f187,plain,
s(s1,s1,s1,s1,s1,s2,s0),
inference(cnf_transformation,[status(thm)],[f90]) ).
fof(f188,plain,
! [X0,X1] : ~ s(s0,s0,s2,s2,X0,s2,X1),
inference(cnf_transformation,[status(thm)],[f91]) ).
fof(f192,plain,
! [X0,X1,X2,X3,X4] :
( s(X0,X1,X2,truck1,s1,X3,X4)
| ~ s(X0,X1,X2,X3,s1,X3,X4) ),
inference(resolution,[status(thm)],[f104,f145]) ).
fof(f214,plain,
! [X0,X1,X2,X3,X4] :
( s(X0,X1,X2,truck1,X3,s1,X4)
| ~ s(X0,X1,X2,truck1,X3,s2,X4) ),
inference(resolution,[status(thm)],[f113,f184]) ).
fof(f216,plain,
! [X0,X1,X2,X3,X4] :
( s(X0,X1,X2,truck1,X3,s0,X4)
| ~ s(X0,X1,X2,truck1,X3,s1,X4) ),
inference(resolution,[status(thm)],[f113,f182]) ).
fof(f217,plain,
! [X0,X1,X2,X3,X4] :
( s(X0,X1,X2,truck1,X3,s2,X4)
| ~ s(X0,X1,X2,truck1,X3,s0,X4) ),
inference(resolution,[status(thm)],[f113,f186]) ).
fof(f226,plain,
! [X0,X1,X2,X3,X4,X5] :
( s(X0,X1,X2,s2,X3,X4,X5)
| ~ s(X0,X1,X2,p2_1,X3,X4,X5) ),
inference(resolution,[status(thm)],[f121,f178]) ).
fof(f231,plain,
! [X0,X1,X2,X3,X4,X5] :
( s(X0,X1,X2,p2_1,X3,X4,X5)
| ~ s(X0,X1,X2,s1,X3,X4,X5) ),
inference(resolution,[status(thm)],[f121,f179]) ).
fof(f233,plain,
s(s1,s1,s1,p2_1,s1,s2,s0),
inference(resolution,[status(thm)],[f231,f187]) ).
fof(f234,plain,
s(s1,s1,s1,s2,s1,s2,s0),
inference(resolution,[status(thm)],[f233,f226]) ).
fof(f237,plain,
s(s1,s1,s1,truck1,s1,s2,s0),
inference(resolution,[status(thm)],[f234,f192]) ).
fof(f258,plain,
! [X0,X1,X2,X3,X4,X5] :
( s(X0,X1,X2,X3,p2_1,X4,X5)
| ~ s(X0,X1,X2,X3,s1,X4,X5) ),
inference(resolution,[status(thm)],[f123,f179]) ).
fof(f285,plain,
s(s1,s1,s1,truck1,p2_1,s2,s0),
inference(resolution,[status(thm)],[f258,f237]) ).
fof(f355,plain,
s(s1,s1,s1,truck1,p2_1,s1,s0),
inference(resolution,[status(thm)],[f214,f285]) ).
fof(f404,plain,
s(s1,s1,truck1,truck1,p2_1,s1,s0),
inference(resolution,[status(thm)],[f355,f100]) ).
fof(f459,plain,
s(s1,truck1,truck1,truck1,p2_1,s1,s0),
inference(resolution,[status(thm)],[f404,f96]) ).
fof(f627,plain,
s(truck1,truck1,truck1,truck1,p2_1,s1,s0),
inference(resolution,[status(thm)],[f459,f92]) ).
fof(f1109,plain,
s(truck1,truck1,truck1,truck1,p2_1,s0,s0),
inference(resolution,[status(thm)],[f627,f216]) ).
fof(f2258,plain,
s(s0,truck1,truck1,truck1,p2_1,s0,s0),
inference(resolution,[status(thm)],[f1109,f93]) ).
fof(f5137,plain,
s(s0,s0,truck1,truck1,p2_1,s0,s0),
inference(resolution,[status(thm)],[f2258,f97]) ).
fof(f11159,plain,
s(s0,s0,truck1,truck1,p2_1,s2,s0),
inference(resolution,[status(thm)],[f5137,f217]) ).
fof(f23269,plain,
s(s0,s0,s2,truck1,p2_1,s2,s0),
inference(resolution,[status(thm)],[f11159,f101]) ).
fof(f46075,plain,
s(s0,s0,s2,s2,p2_1,s2,s0),
inference(resolution,[status(thm)],[f23269,f105]) ).
fof(f46081,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[f46075,f188]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05 % Problem : PLA031-1.002 : TPTP v9.3.1. Released v3.5.0.
% 0.00/0.06 % Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.18/0.45 % Computer : n001.cluster.edu
% 0.18/0.45 % Model : x86_64 x86_64
% 0.18/0.45 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.18/0.45 % Memory : 8046.5625MB
% 0.18/0.45 % OS : Linux 6.8.0-71-generic
% 0.18/0.45 % CPULimit : 300
% 0.18/0.45 % WCLimit : 300
% 0.18/0.45 % DateTime : Mon Sep 21 03:38:58 UTC 2026
% 0.18/0.46 % CPUTime :
% 0.18/0.47 % Drodi V4.1.1
% 8.14/1.91 % Refutation found
% 8.14/1.91 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 8.14/1.91 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 7.91/1.99 % Elapsed time: 1.515783 seconds
% 7.91/1.99 % CPU time: 11.521756 seconds
% 7.91/1.99 % Total memory used: 163.542 MB
% 7.91/1.99 % Net memory used: 157.667 MB
%------------------------------------------------------------------------------