%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : PLA031-1.001 : TPTP v9.3.1. Released v3.5.0.
% 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 01:58:34 PM UTC 2026
% Result : Unsatisfiable 5.04s 16.18s
% Output : CNFRefutation 5.04s
% Verified :
% SZS Type : Refutation
% Derivation depth : 16
% Number of leaves : 21
% Syntax : Number of formulae : 73 ( 35 unt; 0 def)
% Number of atoms : 127 ( 0 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 124 ( 70 ~; 54 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 11 ( 5 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 5 ( 4 usr; 1 prp; 0-6 aty)
% Number of functors : 7 ( 7 usr; 7 con; 0-0 aty)
% Number of variables : 186 ( 186 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f7,axiom,
! [O1,L,D1,D2,T1] :
( s(O1,truck2,D1,D2,T1,L)
| ~ s(O1,L,D1,D2,T1,L) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f8,axiom,
! [O1,L,D1,D2,T1] :
( ~ s(O1,truck2,D1,D2,T1,L)
| s(O1,L,D1,D2,T1,L) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f9,axiom,
! [O1,O2,L,D2,T2] :
( s(O1,O2,truck1,D2,L,T2)
| ~ neq(D2,truck1)
| ~ s(O1,O2,L,D2,L,T2) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f10,axiom,
! [O1,O2,L,D2,T2] :
( ~ s(O1,O2,truck1,D2,L,T2)
| s(O1,O2,L,D2,L,T2) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f11,axiom,
! [O1,O2,L,D2,T1] :
( s(O1,O2,truck2,D2,T1,L)
| ~ neq(D2,truck2)
| ~ s(O1,O2,L,D2,T1,L) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f12,axiom,
! [O1,O2,L,D2,T1] :
( ~ s(O1,O2,truck2,D2,T1,L)
| s(O1,O2,L,D2,T1,L) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f17,axiom,
! [O1,O2,D2,S,T2,D] :
( s(O1,O2,truck1,D2,D,T2)
| ~ link(S,D)
| ~ s(O1,O2,truck1,D2,S,T2) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f18,axiom,
! [O1,O2,D2,T1,S,D] :
( s(O1,O2,truck2,D2,T1,D)
| ~ link(S,D)
| ~ s(O1,O2,truck2,D2,T1,S) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f21,axiom,
! [O1,O2,S,D2,T1,T2,D] :
( s(O1,O2,D,D2,T1,T2)
| ~ path(S,D)
| ~ s(O1,O2,S,D2,T1,T2) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f22,axiom,
! [O1,O2,D1,S,T1,T2,D] :
( s(O1,O2,D1,D,T1,T2)
| ~ path(S,D)
| ~ s(O1,O2,D1,S,T1,T2) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f55,axiom,
neq(s2,truck1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f56,axiom,
neq(s2,truck2),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f87,axiom,
path(s1,p1_0),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f90,axiom,
path(p1_0,s0),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f92,axiom,
path(p2_0,s2),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f93,axiom,
path(s0,p2_0),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f100,axiom,
link(s1,s0),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f101,axiom,
link(s0,s2),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f104,axiom,
link(s2,s1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f105,axiom,
s(s2,s2,s0,s1,s0,s2),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f106,negated_conjecture,
~ s(s2,s1,s2,s2,s2,s0),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f113,plain,
! [X0,X1,X2,X3,X4] :
( s(X0,truck2,X2,X3,X4,X1)
| ~ s(X0,X1,X2,X3,X4,X1) ),
inference(cnf_transformation,[status(thm)],[f7]) ).
fof(f114,plain,
! [X0,X1,X2,X3,X4] :
( ~ s(X0,truck2,X2,X3,X4,X1)
| s(X0,X1,X2,X3,X4,X1) ),
inference(cnf_transformation,[status(thm)],[f8]) ).
fof(f115,plain,
! [X0,X1,X2,X3,X4] :
( s(X0,X1,truck1,X3,X2,X4)
| ~ neq(X3,truck1)
| ~ s(X0,X1,X2,X3,X2,X4) ),
inference(cnf_transformation,[status(thm)],[f9]) ).
fof(f116,plain,
! [X0,X1,X2,X3,X4] :
( ~ s(X0,X1,truck1,X3,X2,X4)
| s(X0,X1,X2,X3,X2,X4) ),
inference(cnf_transformation,[status(thm)],[f10]) ).
fof(f117,plain,
! [X0,X1,X2,X3,X4] :
( s(X0,X1,truck2,X3,X4,X2)
| ~ neq(X3,truck2)
| ~ s(X0,X1,X2,X3,X4,X2) ),
inference(cnf_transformation,[status(thm)],[f11]) ).
fof(f118,plain,
! [X0,X1,X2,X3,X4] :
( ~ s(X0,X1,truck2,X3,X4,X2)
| s(X0,X1,X2,X3,X4,X2) ),
inference(cnf_transformation,[status(thm)],[f12]) ).
fof(f123,plain,
! [O1,O2,D2,T2,D] :
( s(O1,O2,truck1,D2,D,T2)
| ! [S] :
( ~ link(S,D)
| ~ s(O1,O2,truck1,D2,S,T2) ) ),
inference(miniscoping,[status(thm)],[f17]) ).
fof(f124,plain,
! [X0,X1,X2,X3,X4,X5] :
( s(X0,X1,truck1,X2,X5,X4)
| ~ link(X3,X5)
| ~ s(X0,X1,truck1,X2,X3,X4) ),
inference(cnf_transformation,[status(thm)],[f123]) ).
fof(f125,plain,
! [O1,O2,D2,T1,D] :
( s(O1,O2,truck2,D2,T1,D)
| ! [S] :
( ~ link(S,D)
| ~ s(O1,O2,truck2,D2,T1,S) ) ),
inference(miniscoping,[status(thm)],[f18]) ).
fof(f126,plain,
! [X0,X1,X2,X3,X4,X5] :
( s(X0,X1,truck2,X2,X3,X5)
| ~ link(X4,X5)
| ~ s(X0,X1,truck2,X2,X3,X4) ),
inference(cnf_transformation,[status(thm)],[f125]) ).
fof(f131,plain,
! [O1,O2,D2,T1,T2,D] :
( s(O1,O2,D,D2,T1,T2)
| ! [S] :
( ~ path(S,D)
| ~ s(O1,O2,S,D2,T1,T2) ) ),
inference(miniscoping,[status(thm)],[f21]) ).
fof(f132,plain,
! [X0,X1,X2,X3,X4,X5,X6] :
( s(X0,X1,X6,X3,X4,X5)
| ~ path(X2,X6)
| ~ s(X0,X1,X2,X3,X4,X5) ),
inference(cnf_transformation,[status(thm)],[f131]) ).
fof(f133,plain,
! [O1,O2,D1,T1,T2,D] :
( s(O1,O2,D1,D,T1,T2)
| ! [S] :
( ~ path(S,D)
| ~ s(O1,O2,D1,S,T1,T2) ) ),
inference(miniscoping,[status(thm)],[f22]) ).
fof(f134,plain,
! [X0,X1,X2,X3,X4,X5,X6] :
( s(X0,X1,X2,X6,X4,X5)
| ~ path(X3,X6)
| ~ s(X0,X1,X2,X3,X4,X5) ),
inference(cnf_transformation,[status(thm)],[f133]) ).
fof(f167,plain,
neq(s2,truck1),
inference(cnf_transformation,[status(thm)],[f55]) ).
fof(f168,plain,
neq(s2,truck2),
inference(cnf_transformation,[status(thm)],[f56]) ).
fof(f199,plain,
path(s1,p1_0),
inference(cnf_transformation,[status(thm)],[f87]) ).
fof(f202,plain,
path(p1_0,s0),
inference(cnf_transformation,[status(thm)],[f90]) ).
fof(f204,plain,
path(p2_0,s2),
inference(cnf_transformation,[status(thm)],[f92]) ).
fof(f205,plain,
path(s0,p2_0),
inference(cnf_transformation,[status(thm)],[f93]) ).
fof(f212,plain,
link(s1,s0),
inference(cnf_transformation,[status(thm)],[f100]) ).
fof(f213,plain,
link(s0,s2),
inference(cnf_transformation,[status(thm)],[f101]) ).
fof(f216,plain,
link(s2,s1),
inference(cnf_transformation,[status(thm)],[f104]) ).
fof(f217,plain,
s(s2,s2,s0,s1,s0,s2),
inference(cnf_transformation,[status(thm)],[f105]) ).
fof(f218,plain,
~ s(s2,s1,s2,s2,s2,s0),
inference(cnf_transformation,[status(thm)],[f106]) ).
fof(f233,plain,
~ s(s2,s1,truck1,s2,s2,s0),
inference(resolution,[status(thm)],[f116,f218]) ).
fof(f256,plain,
! [X0] :
( ~ link(X0,s2)
| ~ s(s2,s1,truck1,s2,X0,s0) ),
inference(resolution,[status(thm)],[f124,f233]) ).
fof(f264,plain,
~ s(s2,s1,truck1,s2,s0,s0),
inference(resolution,[status(thm)],[f256,f213]) ).
fof(f273,plain,
( ~ neq(s2,truck1)
| ~ s(s2,s1,s0,s2,s0,s0) ),
inference(resolution,[status(thm)],[f264,f115]) ).
fof(f274,plain,
~ s(s2,s1,s0,s2,s0,s0),
inference(forward_subsumption_resolution,[status(thm)],[f273,f167]) ).
fof(f282,plain,
~ s(s2,s1,truck2,s2,s0,s0),
inference(resolution,[status(thm)],[f274,f118]) ).
fof(f295,plain,
! [X0] :
( ~ link(X0,s0)
| ~ s(s2,s1,truck2,s2,s0,X0) ),
inference(resolution,[status(thm)],[f126,f282]) ).
fof(f326,plain,
~ s(s2,s1,truck2,s2,s0,s1),
inference(resolution,[status(thm)],[f295,f212]) ).
fof(f352,plain,
~ s(s2,truck2,truck2,s2,s0,s1),
inference(resolution,[status(thm)],[f326,f114]) ).
fof(f356,plain,
! [X0,X1,X2,X3,X4] :
( s(X0,X1,p2_0,X2,X3,X4)
| ~ s(X0,X1,s0,X2,X3,X4) ),
inference(resolution,[status(thm)],[f132,f205]) ).
fof(f362,plain,
! [X0,X1,X2,X3,X4] :
( s(X0,X1,X2,p2_0,X3,X4)
| ~ s(X0,X1,X2,s0,X3,X4) ),
inference(resolution,[status(thm)],[f134,f205]) ).
fof(f365,plain,
! [X0,X1,X2,X3,X4] :
( s(X0,X1,X2,p1_0,X3,X4)
| ~ s(X0,X1,X2,s1,X3,X4) ),
inference(resolution,[status(thm)],[f134,f199]) ).
fof(f405,plain,
! [X0] :
( ~ link(X0,s1)
| ~ s(s2,truck2,truck2,s2,s0,X0) ),
inference(resolution,[status(thm)],[f352,f126]) ).
fof(f594,plain,
~ s(s2,truck2,truck2,s2,s0,s2),
inference(resolution,[status(thm)],[f405,f216]) ).
fof(f614,plain,
~ s(s2,s2,truck2,s2,s0,s2),
inference(resolution,[status(thm)],[f594,f113]) ).
fof(f637,plain,
( ~ neq(s2,truck2)
| ~ s(s2,s2,s2,s2,s0,s2) ),
inference(resolution,[status(thm)],[f614,f117]) ).
fof(f641,plain,
~ s(s2,s2,s2,s2,s0,s2),
inference(forward_subsumption_resolution,[status(thm)],[f637,f168]) ).
fof(f855,plain,
! [X0,X1,X2,X3,X4] :
( s(X0,X1,X2,s0,X3,X4)
| ~ s(X0,X1,X2,p1_0,X3,X4) ),
inference(resolution,[status(thm)],[f202,f134]) ).
fof(f909,plain,
! [X0,X1,X2,X3,X4] :
( s(X0,X1,X2,s2,X3,X4)
| ~ s(X0,X1,X2,p2_0,X3,X4) ),
inference(resolution,[status(thm)],[f204,f134]) ).
fof(f910,plain,
! [X0,X1,X2,X3,X4] :
( s(X0,X1,s2,X2,X3,X4)
| ~ s(X0,X1,p2_0,X2,X3,X4) ),
inference(resolution,[status(thm)],[f204,f132]) ).
fof(f2085,plain,
! [X0,X1,X2,X3,X4] :
( ~ s(X0,X1,X2,s1,X3,X4)
| s(X0,X1,X2,s0,X3,X4) ),
inference(resolution,[status(thm)],[f855,f365]) ).
fof(f2224,plain,
! [X0,X1,X2,X3,X4] :
( ~ s(X0,X1,X2,s0,X3,X4)
| s(X0,X1,X2,s2,X3,X4) ),
inference(resolution,[status(thm)],[f909,f362]) ).
fof(f2255,plain,
! [X0,X1,X2,X3,X4] :
( ~ s(X0,X1,s0,X2,X3,X4)
| s(X0,X1,s2,X2,X3,X4) ),
inference(resolution,[status(thm)],[f910,f356]) ).
fof(f3741,plain,
s(s2,s2,s0,s0,s0,s2),
inference(resolution,[status(thm)],[f2085,f217]) ).
fof(f3874,plain,
s(s2,s2,s0,s2,s0,s2),
inference(resolution,[status(thm)],[f2224,f3741]) ).
fof(f3938,plain,
s(s2,s2,s2,s2,s0,s2),
inference(resolution,[status(thm)],[f2255,f3874]) ).
fof(f4004,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[f3938,f641]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05 % Problem : PLA031-1.001 : TPTP v9.3.1. Released v3.5.0.
% 0.00/0.06 % Command : drodi -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.15/15.43 % Computer : n008.cluster.edu
% 0.15/15.43 % Model : x86_64 x86_64
% 0.15/15.43 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/15.43 % Memory : 8046.5625MB
% 0.15/15.43 % OS : Linux 6.8.0-71-generic
% 0.15/15.43 % CPULimit : 300
% 0.15/15.43 % WCLimit : 300
% 0.15/15.43 % DateTime : Mon Sep 21 03:34:24 UTC 2026
% 0.15/15.43 % CPUTime :
% 0.15/15.45 % Drodi V4.1.1
% 5.04/16.18 % Refutation found
% 5.04/16.18 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 5.04/16.18 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.96/16.24 % Elapsed time: 0.792353 seconds
% 0.96/16.24 % CPU time: 6.011928 seconds
% 0.96/16.24 % Total memory used: 160.204 MB
% 0.96/16.24 % Net memory used: 152.943 MB
%------------------------------------------------------------------------------