%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : PLA031-1.003 : TPTP v9.3.1. Released v3.5.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n026.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 01:58:35 PM UTC 2026
% Result : Unsatisfiable 97.44s 28.03s
% Output : CNFRefutation 16.42s
% Verified :
% SZS Type : Refutation
% Derivation depth : 18
% Number of leaves : 20
% Syntax : Number of formulae : 67 ( 36 unt; 0 def)
% Number of atoms : 109 ( 0 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 86 ( 44 ~; 42 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 13 ( 6 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 5 ( 4 usr; 1 prp; 0-8 aty)
% Number of functors : 6 ( 6 usr; 6 con; 0-0 aty)
% Number of variables : 232 ( 232 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [L,O2,O3,O4,D1,D2,T2] :
( s(truck1,O2,O3,O4,D1,D2,L,T2)
| ~ s(L,O2,O3,O4,D1,D2,L,T2) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f2,axiom,
! [L,O2,O3,O4,D1,D2,T2] :
( ~ s(truck1,O2,O3,O4,D1,D2,L,T2)
| s(L,O2,O3,O4,D1,D2,L,T2) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f9,axiom,
! [O1,O2,L,O4,D1,D2,T2] :
( s(O1,O2,truck1,O4,D1,D2,L,T2)
| ~ s(O1,O2,L,O4,D1,D2,L,T2) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f10,axiom,
! [O1,O2,L,O4,D1,D2,T2] :
( ~ s(O1,O2,truck1,O4,D1,D2,L,T2)
| s(O1,O2,L,O4,D1,D2,L,T2) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f13,axiom,
! [O1,O2,O3,L,D1,D2,T2] :
( s(O1,O2,O3,truck1,D1,D2,L,T2)
| ~ s(O1,O2,O3,L,D1,D2,L,T2) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f14,axiom,
! [O1,O2,O3,L,D1,D2,T2] :
( ~ s(O1,O2,O3,truck1,D1,D2,L,T2)
| s(O1,O2,O3,L,D1,D2,L,T2) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f21,axiom,
! [O1,O2,O3,O4,D1,L,T2] :
( s(O1,O2,O3,O4,D1,truck1,L,T2)
| ~ neq(D1,truck1)
| ~ s(O1,O2,O3,O4,D1,L,L,T2) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f27,axiom,
! [O1,O2,O3,O4,D1,S,T2,D] :
( s(O1,O2,O3,O4,D1,truck1,D,T2)
| ~ link(S,D)
| ~ s(O1,O2,O3,O4,D1,truck1,S,T2) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f29,axiom,
! [O1,O2,O3,O4,S,D2,T1,T2,D] :
( s(O1,O2,O3,O4,D,D2,T1,T2)
| ~ path(S,D)
| ~ s(O1,O2,O3,O4,S,D2,T1,T2) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f30,axiom,
! [O1,O2,O3,O4,D1,S,T1,T2,D] :
( s(O1,O2,O3,O4,D1,D,T1,T2)
| ~ path(S,D)
| ~ s(O1,O2,O3,O4,D1,S,T1,T2) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f63,axiom,
neq(s2,truck1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f95,axiom,
path(s0,p0_1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f98,axiom,
path(p0_1,s1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f100,axiom,
path(p1_2,s1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f101,axiom,
path(s2,p1_2),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f107,axiom,
link(s1,s2),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f109,axiom,
link(s2,s0),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f110,axiom,
link(s0,s2),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f111,axiom,
s(s1,s2,s2,s0,s2,s0,s1,s1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f112,negated_conjecture,
! [X6,X8] : ~ s(s2,s2,s0,s2,s1,X6,s0,X8),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f113,plain,
! [X0,X1,X2,X3,X4,X5,X6] :
( s(truck1,X1,X2,X3,X4,X5,X0,X6)
| ~ s(X0,X1,X2,X3,X4,X5,X0,X6) ),
inference(cnf_transformation,[status(thm)],[f1]) ).
fof(f114,plain,
! [X0,X1,X2,X3,X4,X5,X6] :
( ~ s(truck1,X1,X2,X3,X4,X5,X0,X6)
| s(X0,X1,X2,X3,X4,X5,X0,X6) ),
inference(cnf_transformation,[status(thm)],[f2]) ).
fof(f121,plain,
! [X0,X1,X2,X3,X4,X5,X6] :
( s(X0,X1,truck1,X3,X4,X5,X2,X6)
| ~ s(X0,X1,X2,X3,X4,X5,X2,X6) ),
inference(cnf_transformation,[status(thm)],[f9]) ).
fof(f122,plain,
! [X0,X1,X2,X3,X4,X5,X6] :
( ~ s(X0,X1,truck1,X3,X4,X5,X2,X6)
| s(X0,X1,X2,X3,X4,X5,X2,X6) ),
inference(cnf_transformation,[status(thm)],[f10]) ).
fof(f125,plain,
! [X0,X1,X2,X3,X4,X5,X6] :
( s(X0,X1,X2,truck1,X4,X5,X3,X6)
| ~ s(X0,X1,X2,X3,X4,X5,X3,X6) ),
inference(cnf_transformation,[status(thm)],[f13]) ).
fof(f126,plain,
! [X0,X1,X2,X3,X4,X5,X6] :
( ~ s(X0,X1,X2,truck1,X4,X5,X3,X6)
| s(X0,X1,X2,X3,X4,X5,X3,X6) ),
inference(cnf_transformation,[status(thm)],[f14]) ).
fof(f133,plain,
! [X0,X1,X2,X3,X4,X5,X6] :
( s(X0,X1,X2,X3,X4,truck1,X5,X6)
| ~ neq(X4,truck1)
| ~ s(X0,X1,X2,X3,X4,X5,X5,X6) ),
inference(cnf_transformation,[status(thm)],[f21]) ).
fof(f141,plain,
! [O1,O2,O3,O4,D1,T2,D] :
( s(O1,O2,O3,O4,D1,truck1,D,T2)
| ! [S] :
( ~ link(S,D)
| ~ s(O1,O2,O3,O4,D1,truck1,S,T2) ) ),
inference(miniscoping,[status(thm)],[f27]) ).
fof(f142,plain,
! [X0,X1,X2,X3,X4,X5,X6,X7] :
( s(X0,X1,X2,X3,X4,truck1,X7,X6)
| ~ link(X5,X7)
| ~ s(X0,X1,X2,X3,X4,truck1,X5,X6) ),
inference(cnf_transformation,[status(thm)],[f141]) ).
fof(f145,plain,
! [O1,O2,O3,O4,D2,T1,T2,D] :
( s(O1,O2,O3,O4,D,D2,T1,T2)
| ! [S] :
( ~ path(S,D)
| ~ s(O1,O2,O3,O4,S,D2,T1,T2) ) ),
inference(miniscoping,[status(thm)],[f29]) ).
fof(f146,plain,
! [X0,X1,X2,X3,X4,X5,X6,X7,X8] :
( s(X0,X1,X2,X3,X8,X5,X6,X7)
| ~ path(X4,X8)
| ~ s(X0,X1,X2,X3,X4,X5,X6,X7) ),
inference(cnf_transformation,[status(thm)],[f145]) ).
fof(f147,plain,
! [O1,O2,O3,O4,D1,T1,T2,D] :
( s(O1,O2,O3,O4,D1,D,T1,T2)
| ! [S] :
( ~ path(S,D)
| ~ s(O1,O2,O3,O4,D1,S,T1,T2) ) ),
inference(miniscoping,[status(thm)],[f30]) ).
fof(f148,plain,
! [X0,X1,X2,X3,X4,X5,X6,X7,X8] :
( s(X0,X1,X2,X3,X4,X8,X6,X7)
| ~ path(X5,X8)
| ~ s(X0,X1,X2,X3,X4,X5,X6,X7) ),
inference(cnf_transformation,[status(thm)],[f147]) ).
fof(f181,plain,
neq(s2,truck1),
inference(cnf_transformation,[status(thm)],[f63]) ).
fof(f213,plain,
path(s0,p0_1),
inference(cnf_transformation,[status(thm)],[f95]) ).
fof(f216,plain,
path(p0_1,s1),
inference(cnf_transformation,[status(thm)],[f98]) ).
fof(f218,plain,
path(p1_2,s1),
inference(cnf_transformation,[status(thm)],[f100]) ).
fof(f219,plain,
path(s2,p1_2),
inference(cnf_transformation,[status(thm)],[f101]) ).
fof(f225,plain,
link(s1,s2),
inference(cnf_transformation,[status(thm)],[f107]) ).
fof(f227,plain,
link(s2,s0),
inference(cnf_transformation,[status(thm)],[f109]) ).
fof(f228,plain,
link(s0,s2),
inference(cnf_transformation,[status(thm)],[f110]) ).
fof(f229,plain,
s(s1,s2,s2,s0,s2,s0,s1,s1),
inference(cnf_transformation,[status(thm)],[f111]) ).
fof(f230,plain,
! [X0,X1] : ~ s(s2,s2,s0,s2,s1,X0,s0,X1),
inference(cnf_transformation,[status(thm)],[f112]) ).
fof(f243,plain,
! [X0,X1,X2,X3,X4,X5] :
( s(X0,X1,X2,X3,s2,truck1,X4,X5)
| ~ s(X0,X1,X2,X3,s2,X4,X4,X5) ),
inference(resolution,[status(thm)],[f181,f133]) ).
fof(f259,plain,
! [X0,X1,X2,X3,X4,X5,X6] :
( s(X0,X1,X2,X3,X4,p0_1,X5,X6)
| ~ s(X0,X1,X2,X3,X4,s0,X5,X6) ),
inference(resolution,[status(thm)],[f213,f148]) ).
fof(f265,plain,
! [X0,X1,X2,X3,X4,X5,X6] :
( s(X0,X1,X2,X3,X4,s1,X5,X6)
| ~ s(X0,X1,X2,X3,X4,p0_1,X5,X6) ),
inference(resolution,[status(thm)],[f216,f148]) ).
fof(f270,plain,
! [X0,X1,X2,X3,X4,X5,X6] :
( s(X0,X1,X2,X3,s1,X4,X5,X6)
| ~ s(X0,X1,X2,X3,p1_2,X4,X5,X6) ),
inference(resolution,[status(thm)],[f218,f146]) ).
fof(f272,plain,
! [X0,X1,X2,X3,X4,X5,X6] :
( s(X0,X1,X2,X3,p1_2,X4,X5,X6)
| ~ s(X0,X1,X2,X3,s2,X4,X5,X6) ),
inference(resolution,[status(thm)],[f219,f146]) ).
fof(f284,plain,
! [X0,X1,X2,X3,X4,X5] :
( s(X0,X1,X2,X3,X4,truck1,s2,X5)
| ~ s(X0,X1,X2,X3,X4,truck1,s1,X5) ),
inference(resolution,[status(thm)],[f225,f142]) ).
fof(f292,plain,
! [X0,X1,X2,X3,X4,X5] :
( s(X0,X1,X2,X3,X4,truck1,s0,X5)
| ~ s(X0,X1,X2,X3,X4,truck1,s2,X5) ),
inference(resolution,[status(thm)],[f227,f142]) ).
fof(f296,plain,
! [X0,X1,X2,X3,X4,X5] :
( s(X0,X1,X2,X3,X4,truck1,s2,X5)
| ~ s(X0,X1,X2,X3,X4,truck1,s0,X5) ),
inference(resolution,[status(thm)],[f228,f142]) ).
fof(f300,plain,
s(truck1,s2,s2,s0,s2,s0,s1,s1),
inference(resolution,[status(thm)],[f229,f113]) ).
fof(f303,plain,
s(truck1,s2,s2,s0,s2,p0_1,s1,s1),
inference(resolution,[status(thm)],[f259,f300]) ).
fof(f313,plain,
s(truck1,s2,s2,s0,s2,s1,s1,s1),
inference(resolution,[status(thm)],[f265,f303]) ).
fof(f318,plain,
s(truck1,s2,s2,s0,s2,truck1,s1,s1),
inference(resolution,[status(thm)],[f313,f243]) ).
fof(f356,plain,
s(truck1,s2,s2,s0,p1_2,truck1,s1,s1),
inference(resolution,[status(thm)],[f318,f272]) ).
fof(f590,plain,
s(truck1,s2,s2,s0,s1,truck1,s1,s1),
inference(resolution,[status(thm)],[f356,f270]) ).
fof(f1040,plain,
s(truck1,s2,s2,s0,s1,truck1,s2,s1),
inference(resolution,[status(thm)],[f590,f284]) ).
fof(f1899,plain,
s(s2,s2,s2,s0,s1,truck1,s2,s1),
inference(resolution,[status(thm)],[f1040,f114]) ).
fof(f4323,plain,
s(s2,s2,s2,s0,s1,truck1,s0,s1),
inference(resolution,[status(thm)],[f1899,f292]) ).
fof(f10235,plain,
s(s2,s2,s2,truck1,s1,truck1,s0,s1),
inference(resolution,[status(thm)],[f4323,f125]) ).
fof(f23301,plain,
s(s2,s2,s2,truck1,s1,truck1,s2,s1),
inference(resolution,[status(thm)],[f10235,f296]) ).
fof(f48800,plain,
s(s2,s2,s2,s2,s1,truck1,s2,s1),
inference(resolution,[status(thm)],[f23301,f126]) ).
fof(f94367,plain,
s(s2,s2,truck1,s2,s1,truck1,s2,s1),
inference(resolution,[status(thm)],[f48800,f121]) ).
fof(f170496,plain,
s(s2,s2,truck1,s2,s1,truck1,s0,s1),
inference(resolution,[status(thm)],[f94367,f292]) ).
fof(f293123,plain,
s(s2,s2,s0,s2,s1,truck1,s0,s1),
inference(resolution,[status(thm)],[f170496,f122]) ).
fof(f293129,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[f293123,f230]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : PLA031-1.003 : TPTP v9.3.1. Released v3.5.0.
% 0.00/0.04 % Command : drodi -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.09/15.59 % Computer : n026.cluster.edu
% 0.09/15.59 % Model : x86_64 x86_64
% 0.09/15.59 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/15.59 % Memory : 8046.5625MB
% 0.09/15.59 % OS : Linux 6.8.0-71-generic
% 0.09/15.59 % CPULimit : 300
% 0.09/15.59 % WCLimit : 300
% 0.09/15.59 % DateTime : Mon Sep 21 03:36:10 UTC 2026
% 0.09/15.59 % CPUTime :
% 0.14/15.61 % Drodi V4.1.1
% 97.44/28.03 % Refutation found
% 97.44/28.03 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 97.44/28.03 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 6.78/28.66 % Elapsed time: 13.047188 seconds
% 6.78/28.66 % CPU time: 100.545053 seconds
% 6.78/28.66 % Total memory used: 829.956 MB
% 6.78/28.66 % Net memory used: 731.806 MB
%------------------------------------------------------------------------------