%------------------------------------------------------------------------------
% File : FindProof---0.1
% Problem : PLA031-1.004 : TPTP v9.3.1. Released v3.5.0.
% Transfm : none
% Format : tptp:raw
% Command : run_findproof /export/starexec/sandbox/benchmark/theBenchmark.p 300
% Computer : n018.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 : Fri Sep 25 02:30:43 PM UTC 2026
% Result : Unsatisfiable 249.85s 36.63s
% Output : Proof 249.85s
% Verified :
% SZS Type : Refutation
% Derivation depth : 20
% Number of leaves : 26
% Syntax : Number of formulae : 133 ( 89 unt; 0 def)
% Number of atoms : 201 ( 33 equ)
% Maximal formula atoms : 4 ( 1 avg)
% Number of connectives : 178 ( 110 ~; 68 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 13 ( 4 avg)
% Maximal term depth : 4 ( 1 avg)
% Number of predicates : 5 ( 3 usr; 1 prp; 0-9 aty)
% Number of functors : 12 ( 12 usr; 11 con; 0-4 aty)
% Number of variables : 460 ( 6 sgn 184 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
cnf(f18,axiom,
( s(O1,O2,O3,O4,truck2,D2,D3,T1,L)
| ~ neq(D3,truck2)
| ~ neq(D2,truck2)
| ~ s(O1,O2,O3,O4,L,D2,D3,T1,L) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',board3) ).
fof(f18_nnf,plain,
! [O1,O2,O3,O4,L,D2,D3,T1] :
( s(O1,O2,O3,O4,truck2,D2,D3,T1,L)
| ~ neq(D3,truck2)
| ~ neq(D2,truck2)
| ~ s(O1,O2,O3,O4,L,D2,D3,T1,L) ),
inference(nnf_transformation,[status(thm)],[f18]) ).
fof(f18_sk,plain,
! [O1,O2,O3,O4,L,D2,D3,T1] :
( s(O1,O2,O3,O4,truck2,D2,D3,T1,L)
| ~ neq(D3,truck2)
| ~ neq(D2,truck2)
| ~ s(O1,O2,O3,O4,L,D2,D3,T1,L) ),
inference(skolemisation,[status(esa)],[f18_nnf]) ).
cnf(c18,plain,
( s(X0,X1,X2,X3,truck2,X5,X6,X7,X4)
| ~ neq(X6,truck2)
| ~ neq(X5,truck2)
| ~ s(X0,X1,X2,X3,X4,X5,X6,X7,X4) ),
inference(cnf_transformation,[status(esa)],[f18_sk]) ).
cnf(hi18,axiom,
ifeq(s(X0,X1,X2,X3,X4,X5,X6,X7,X4),true,ifeq(neq(X5,truck2),true,ifeq(neq(X6,truck2),true,s(X0,X1,X2,X3,truck2,X5,X6,X7,X4),true),true),true) = true,
inference(equality_encoding,[status(esa)],[c18]) ).
cnf(f136,axiom,
s(s1,s0,s2,s0,s1,s2,s2,s0,s1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',init) ).
fof(f136_nnf,plain,
s(s1,s0,s2,s0,s1,s2,s2,s0,s1),
inference(nnf_transformation,[status(thm)],[f136]) ).
cnf(c136,plain,
s(s1,s0,s2,s0,s1,s2,s2,s0,s1),
inference(cnf_transformation,[status(esa)],[f136_nnf]) ).
cnf(hi127,axiom,
s(s1,s0,s2,s0,s1,s2,s2,s0,s1) = true,
inference(equality_encoding,[status(esa)],[c136]) ).
cnf(f74,axiom,
neq(s2,truck2),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',neq38) ).
fof(f74_nnf,plain,
neq(s2,truck2),
inference(nnf_transformation,[status(thm)],[f74]) ).
cnf(c74,plain,
neq(s2,truck2),
inference(cnf_transformation,[status(esa)],[f74_nnf]) ).
cnf(hi70,axiom,
neq(s2,truck2) = true,
inference(equality_encoding,[status(esa)],[c74]) ).
cnf(h6,plain,
s(s1,s0,s2,s0,truck2,s2,s2,s0,s1) = true,
inference(hyper_resolution,[status(thm)],[hi18,hi127,hi70,hi70]) ).
cnf(f2,axiom,
( s(truck2,O2,O3,O4,D1,D2,D3,T1,L)
| ~ s(L,O2,O3,O4,D1,D2,D3,T1,L) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',load3) ).
fof(f2_nnf,plain,
! [L,O2,O3,O4,D1,D2,D3,T1] :
( s(truck2,O2,O3,O4,D1,D2,D3,T1,L)
| ~ s(L,O2,O3,O4,D1,D2,D3,T1,L) ),
inference(nnf_transformation,[status(thm)],[f2]) ).
fof(f2_sk,plain,
! [L,O2,O3,O4,D1,D2,D3,T1] :
( s(truck2,O2,O3,O4,D1,D2,D3,T1,L)
| ~ s(L,O2,O3,O4,D1,D2,D3,T1,L) ),
inference(skolemisation,[status(esa)],[f2_nnf]) ).
cnf(c2,plain,
( s(truck2,X1,X2,X3,X4,X5,X6,X7,X0)
| ~ s(X0,X1,X2,X3,X4,X5,X6,X7,X0) ),
inference(cnf_transformation,[status(esa)],[f2_sk]) ).
cnf(hi2,axiom,
ifeq(s(X0,X1,X2,X3,X4,X5,X6,X7,X0),true,s(truck2,X1,X2,X3,X4,X5,X6,X7,X0),true) = true,
inference(equality_encoding,[status(esa)],[c2]) ).
cnf(h54,plain,
s(truck2,s0,s2,s0,truck2,s2,s2,s0,s1) = true,
inference(hyper_resolution,[status(thm)],[hi2,h6]) ).
cnf(f29,axiom,
( s(O1,O2,O3,O4,truck2,D2,D3,T1,D)
| ~ link(S,D)
| ~ s(O1,O2,O3,O4,truck2,D2,D3,T1,S) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',drive2) ).
fof(f29_nnf,plain,
! [O1,O2,O3,O4,D2,D3,T1,S,D] :
( s(O1,O2,O3,O4,truck2,D2,D3,T1,D)
| ~ link(S,D)
| ~ s(O1,O2,O3,O4,truck2,D2,D3,T1,S) ),
inference(nnf_transformation,[status(thm)],[f29]) ).
fof(f29_sk,plain,
! [O1,O2,O3,O4,D2,D3,T1,S,D] :
( s(O1,O2,O3,O4,truck2,D2,D3,T1,D)
| ~ link(S,D)
| ~ s(O1,O2,O3,O4,truck2,D2,D3,T1,S) ),
inference(skolemisation,[status(esa)],[f29_nnf]) ).
cnf(c29,plain,
( s(X0,X1,X2,X3,truck2,X4,X5,X6,X8)
| ~ link(X7,X8)
| ~ s(X0,X1,X2,X3,truck2,X4,X5,X6,X7) ),
inference(cnf_transformation,[status(esa)],[f29_sk]) ).
cnf(hi29,axiom,
ifeq(s(X0,X1,X2,X3,truck2,X4,X5,X6,X7),true,ifeq(link(X7,X8),true,s(X0,X1,X2,X3,truck2,X4,X5,X6,X8),true),true) = true,
inference(equality_encoding,[status(esa)],[c29]) ).
cnf(f132,axiom,
link(s1,s0),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',map15) ).
fof(f132_nnf,plain,
link(s1,s0),
inference(nnf_transformation,[status(thm)],[f132]) ).
cnf(c132,plain,
link(s1,s0),
inference(cnf_transformation,[status(esa)],[f132_nnf]) ).
cnf(hi123,axiom,
link(s1,s0) = true,
inference(equality_encoding,[status(esa)],[c132]) ).
cnf(h211,plain,
s(truck2,s0,s2,s0,truck2,s2,s2,s0,s0) = true,
inference(hyper_resolution,[status(thm)],[hi29,h54,hi123]) ).
cnf(f14,axiom,
( s(O1,O2,O3,truck2,D1,D2,D3,T1,L)
| ~ s(O1,O2,O3,L,D1,D2,D3,T1,L) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',load15) ).
fof(f14_nnf,plain,
! [O1,O2,O3,L,D1,D2,D3,T1] :
( s(O1,O2,O3,truck2,D1,D2,D3,T1,L)
| ~ s(O1,O2,O3,L,D1,D2,D3,T1,L) ),
inference(nnf_transformation,[status(thm)],[f14]) ).
fof(f14_sk,plain,
! [O1,O2,O3,L,D1,D2,D3,T1] :
( s(O1,O2,O3,truck2,D1,D2,D3,T1,L)
| ~ s(O1,O2,O3,L,D1,D2,D3,T1,L) ),
inference(skolemisation,[status(esa)],[f14_nnf]) ).
cnf(c14,plain,
( s(X0,X1,X2,truck2,X4,X5,X6,X7,X3)
| ~ s(X0,X1,X2,X3,X4,X5,X6,X7,X3) ),
inference(cnf_transformation,[status(esa)],[f14_sk]) ).
cnf(hi14,axiom,
ifeq(s(X0,X1,X2,X3,X4,X5,X6,X7,X3),true,s(X0,X1,X2,truck2,X4,X5,X6,X7,X3),true) = true,
inference(equality_encoding,[status(esa)],[c14]) ).
cnf(h615,plain,
s(truck2,s0,s2,truck2,truck2,s2,s2,s0,s0) = true,
inference(hyper_resolution,[status(thm)],[hi14,h211]) ).
cnf(f3,axiom,
( ~ s(truck2,O2,O3,O4,D1,D2,D3,T1,L)
| s(L,O2,O3,O4,D1,D2,D3,T1,L) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',load4) ).
fof(f3_nnf,plain,
! [L,O2,O3,O4,D1,D2,D3,T1] :
( ~ s(truck2,O2,O3,O4,D1,D2,D3,T1,L)
| s(L,O2,O3,O4,D1,D2,D3,T1,L) ),
inference(nnf_transformation,[status(thm)],[f3]) ).
fof(f3_sk,plain,
! [L,O2,O3,O4,D1,D2,D3,T1] :
( ~ s(truck2,O2,O3,O4,D1,D2,D3,T1,L)
| s(L,O2,O3,O4,D1,D2,D3,T1,L) ),
inference(skolemisation,[status(esa)],[f3_nnf]) ).
cnf(c3,plain,
( ~ s(truck2,X1,X2,X3,X4,X5,X6,X7,X0)
| s(X0,X1,X2,X3,X4,X5,X6,X7,X0) ),
inference(cnf_transformation,[status(esa)],[f3_sk]) ).
cnf(hi3,axiom,
ifeq(s(truck2,X0,X1,X2,X3,X4,X5,X6,X7),true,s(X7,X0,X1,X2,X3,X4,X5,X6,X7),true) = true,
inference(equality_encoding,[status(esa)],[c3]) ).
cnf(h1580,plain,
s(s0,s0,s2,truck2,truck2,s2,s2,s0,s0) = true,
inference(hyper_resolution,[status(thm)],[hi3,h615]) ).
cnf(f130,axiom,
link(s0,s2),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',map13) ).
fof(f130_nnf,plain,
link(s0,s2),
inference(nnf_transformation,[status(thm)],[f130]) ).
cnf(c130,plain,
link(s0,s2),
inference(cnf_transformation,[status(esa)],[f130_nnf]) ).
cnf(hi121,axiom,
link(s0,s2) = true,
inference(equality_encoding,[status(esa)],[c130]) ).
cnf(h3839,plain,
s(s0,s0,s2,truck2,truck2,s2,s2,s0,s2) = true,
inference(hyper_resolution,[status(thm)],[hi29,h1580,hi121]) ).
cnf(f19,axiom,
( ~ s(O1,O2,O3,O4,truck2,D2,D3,T1,L)
| s(O1,O2,O3,O4,L,D2,D3,T1,L) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',board4) ).
fof(f19_nnf,plain,
! [O1,O2,O3,O4,L,D2,D3,T1] :
( ~ s(O1,O2,O3,O4,truck2,D2,D3,T1,L)
| s(O1,O2,O3,O4,L,D2,D3,T1,L) ),
inference(nnf_transformation,[status(thm)],[f19]) ).
fof(f19_sk,plain,
! [O1,O2,O3,O4,L,D2,D3,T1] :
( ~ s(O1,O2,O3,O4,truck2,D2,D3,T1,L)
| s(O1,O2,O3,O4,L,D2,D3,T1,L) ),
inference(skolemisation,[status(esa)],[f19_nnf]) ).
cnf(c19,plain,
( ~ s(X0,X1,X2,X3,truck2,X5,X6,X7,X4)
| s(X0,X1,X2,X3,X4,X5,X6,X7,X4) ),
inference(cnf_transformation,[status(esa)],[f19_sk]) ).
cnf(hi19,axiom,
ifeq(s(X0,X1,X2,X3,truck2,X4,X5,X6,X7),true,s(X0,X1,X2,X3,X7,X4,X5,X6,X7),true) = true,
inference(equality_encoding,[status(esa)],[c19]) ).
cnf(h9112,plain,
s(s0,s0,s2,truck2,s2,s2,s2,s0,s2) = true,
inference(hyper_resolution,[status(thm)],[hi19,h3839]) ).
cnf(f26,axiom,
( s(O1,O2,O3,O4,D1,D2,truck2,T1,L)
| ~ neq(D2,truck2)
| ~ neq(D1,truck2)
| ~ s(O1,O2,O3,O4,D1,D2,L,T1,L) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',board11) ).
fof(f26_nnf,plain,
! [O1,O2,O3,O4,D1,D2,L,T1] :
( s(O1,O2,O3,O4,D1,D2,truck2,T1,L)
| ~ neq(D2,truck2)
| ~ neq(D1,truck2)
| ~ s(O1,O2,O3,O4,D1,D2,L,T1,L) ),
inference(nnf_transformation,[status(thm)],[f26]) ).
fof(f26_sk,plain,
! [O1,O2,O3,O4,D1,D2,L,T1] :
( s(O1,O2,O3,O4,D1,D2,truck2,T1,L)
| ~ neq(D2,truck2)
| ~ neq(D1,truck2)
| ~ s(O1,O2,O3,O4,D1,D2,L,T1,L) ),
inference(skolemisation,[status(esa)],[f26_nnf]) ).
cnf(c26,plain,
( s(X0,X1,X2,X3,X4,X5,truck2,X7,X6)
| ~ neq(X5,truck2)
| ~ neq(X4,truck2)
| ~ s(X0,X1,X2,X3,X4,X5,X6,X7,X6) ),
inference(cnf_transformation,[status(esa)],[f26_sk]) ).
cnf(hi26,axiom,
ifeq(s(X0,X1,X2,X3,X4,X5,X6,X7,X6),true,ifeq(neq(X4,truck2),true,ifeq(neq(X5,truck2),true,s(X0,X1,X2,X3,X4,X5,truck2,X7,X6),true),true),true) = true,
inference(equality_encoding,[status(esa)],[c26]) ).
cnf(h21145,plain,
s(s0,s0,s2,truck2,s2,s2,truck2,s0,s2) = true,
inference(hyper_resolution,[status(thm)],[hi26,h9112,hi70,hi70]) ).
cnf(f15,axiom,
( ~ s(O1,O2,O3,truck2,D1,D2,D3,T1,L)
| s(O1,O2,O3,L,D1,D2,D3,T1,L) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',load16) ).
fof(f15_nnf,plain,
! [O1,O2,O3,L,D1,D2,D3,T1] :
( ~ s(O1,O2,O3,truck2,D1,D2,D3,T1,L)
| s(O1,O2,O3,L,D1,D2,D3,T1,L) ),
inference(nnf_transformation,[status(thm)],[f15]) ).
fof(f15_sk,plain,
! [O1,O2,O3,L,D1,D2,D3,T1] :
( ~ s(O1,O2,O3,truck2,D1,D2,D3,T1,L)
| s(O1,O2,O3,L,D1,D2,D3,T1,L) ),
inference(skolemisation,[status(esa)],[f15_nnf]) ).
cnf(c15,plain,
( ~ s(X0,X1,X2,truck2,X4,X5,X6,X7,X3)
| s(X0,X1,X2,X3,X4,X5,X6,X7,X3) ),
inference(cnf_transformation,[status(esa)],[f15_sk]) ).
cnf(hi15,axiom,
ifeq(s(X0,X1,X2,truck2,X3,X4,X5,X6,X7),true,s(X0,X1,X2,X7,X3,X4,X5,X6,X7),true) = true,
inference(equality_encoding,[status(esa)],[c15]) ).
cnf(h47146,plain,
s(s0,s0,s2,s2,s2,s2,truck2,s0,s2) = true,
inference(hyper_resolution,[status(thm)],[hi15,h21145]) ).
cnf(f10,axiom,
( s(O1,O2,truck2,O4,D1,D2,D3,T1,L)
| ~ s(O1,O2,L,O4,D1,D2,D3,T1,L) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',load11) ).
fof(f10_nnf,plain,
! [O1,O2,L,O4,D1,D2,D3,T1] :
( s(O1,O2,truck2,O4,D1,D2,D3,T1,L)
| ~ s(O1,O2,L,O4,D1,D2,D3,T1,L) ),
inference(nnf_transformation,[status(thm)],[f10]) ).
fof(f10_sk,plain,
! [O1,O2,L,O4,D1,D2,D3,T1] :
( s(O1,O2,truck2,O4,D1,D2,D3,T1,L)
| ~ s(O1,O2,L,O4,D1,D2,D3,T1,L) ),
inference(skolemisation,[status(esa)],[f10_nnf]) ).
cnf(c10,plain,
( s(X0,X1,truck2,X3,X4,X5,X6,X7,X2)
| ~ s(X0,X1,X2,X3,X4,X5,X6,X7,X2) ),
inference(cnf_transformation,[status(esa)],[f10_sk]) ).
cnf(hi10,axiom,
ifeq(s(X0,X1,X2,X3,X4,X5,X6,X7,X2),true,s(X0,X1,truck2,X3,X4,X5,X6,X7,X2),true) = true,
inference(equality_encoding,[status(esa)],[c10]) ).
cnf(h99044,plain,
s(s0,s0,truck2,s2,s2,s2,truck2,s0,s2) = true,
inference(hyper_resolution,[status(thm)],[hi10,h47146]) ).
cnf(f33,axiom,
( s(O1,O2,O3,O4,D1,D2,truck2,T1,D)
| ~ link(S,D)
| ~ s(O1,O2,O3,O4,D1,D2,truck2,T1,S) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',drive6) ).
fof(f33_nnf,plain,
! [O1,O2,O3,O4,D1,D2,T1,S,D] :
( s(O1,O2,O3,O4,D1,D2,truck2,T1,D)
| ~ link(S,D)
| ~ s(O1,O2,O3,O4,D1,D2,truck2,T1,S) ),
inference(nnf_transformation,[status(thm)],[f33]) ).
fof(f33_sk,plain,
! [O1,O2,O3,O4,D1,D2,T1,S,D] :
( s(O1,O2,O3,O4,D1,D2,truck2,T1,D)
| ~ link(S,D)
| ~ s(O1,O2,O3,O4,D1,D2,truck2,T1,S) ),
inference(skolemisation,[status(esa)],[f33_nnf]) ).
cnf(c33,plain,
( s(X0,X1,X2,X3,X4,X5,truck2,X6,X8)
| ~ link(X7,X8)
| ~ s(X0,X1,X2,X3,X4,X5,truck2,X6,X7) ),
inference(cnf_transformation,[status(esa)],[f33_sk]) ).
cnf(hi33,axiom,
ifeq(s(X0,X1,X2,X3,X4,X5,truck2,X6,X7),true,ifeq(link(X7,X8),true,s(X0,X1,X2,X3,X4,X5,truck2,X6,X8),true),true) = true,
inference(equality_encoding,[status(esa)],[c33]) ).
cnf(f134,axiom,
link(s2,s1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',map17) ).
fof(f134_nnf,plain,
link(s2,s1),
inference(nnf_transformation,[status(thm)],[f134]) ).
cnf(c134,plain,
link(s2,s1),
inference(cnf_transformation,[status(esa)],[f134_nnf]) ).
cnf(hi125,axiom,
link(s2,s1) = true,
inference(equality_encoding,[status(esa)],[c134]) ).
cnf(h193521,plain,
s(s0,s0,truck2,s2,s2,s2,truck2,s0,s1) = true,
inference(hyper_resolution,[status(thm)],[hi33,h99044,hi125]) ).
cnf(f11,axiom,
( ~ s(O1,O2,truck2,O4,D1,D2,D3,T1,L)
| s(O1,O2,L,O4,D1,D2,D3,T1,L) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',load12) ).
fof(f11_nnf,plain,
! [O1,O2,L,O4,D1,D2,D3,T1] :
( ~ s(O1,O2,truck2,O4,D1,D2,D3,T1,L)
| s(O1,O2,L,O4,D1,D2,D3,T1,L) ),
inference(nnf_transformation,[status(thm)],[f11]) ).
fof(f11_sk,plain,
! [O1,O2,L,O4,D1,D2,D3,T1] :
( ~ s(O1,O2,truck2,O4,D1,D2,D3,T1,L)
| s(O1,O2,L,O4,D1,D2,D3,T1,L) ),
inference(skolemisation,[status(esa)],[f11_nnf]) ).
cnf(c11,plain,
( ~ s(X0,X1,truck2,X3,X4,X5,X6,X7,X2)
| s(X0,X1,X2,X3,X4,X5,X6,X7,X2) ),
inference(cnf_transformation,[status(esa)],[f11_sk]) ).
cnf(hi11,axiom,
ifeq(s(X0,X1,truck2,X2,X3,X4,X5,X6,X7),true,s(X0,X1,X7,X2,X3,X4,X5,X6,X7),true) = true,
inference(equality_encoding,[status(esa)],[c11]) ).
cnf(h349320,plain,
s(s0,s0,s1,s2,s2,s2,truck2,s0,s1) = true,
inference(hyper_resolution,[status(thm)],[hi11,h193521]) ).
cnf(f137,negated_conjecture,
~ s(s0,s0,s1,s2,s2,X6,X7,s0,s1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',goal) ).
fof(f137_nnf,plain,
! [X6,X7] : ~ s(s0,s0,s1,s2,s2,X6,X7,s0,s1),
inference(nnf_transformation,[status(thm)],[f137]) ).
fof(f137_sk,plain,
! [X6,X7] : ~ s(s0,s0,s1,s2,s2,X6,X7,s0,s1),
inference(skolemisation,[status(esa)],[f137_nnf]) ).
cnf(c137,plain,
~ s(s0,s0,s1,s2,s2,X0,X1,s0,s1),
inference(cnf_transformation,[status(esa)],[f137_sk]) ).
cnf(hi137,negated_conjecture,
ifeq(s(s0,s0,s1,s2,s2,X0,X1,s0,s1),true,false,true) = true,
inference(equality_encoding,[status(esa)],[c137]) ).
cnf(t0,plain,
true = false,
inference(hyper_resolution,[status(thm)],[hi137,h349320]) ).
cnf(t2687,plain,
false = true,
inference(orient,[status(thm)],[t0]) ).
cnf(f37,axiom,
~ neq(truck1,truck1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',neq1) ).
fof(f37_nnf,plain,
~ neq(truck1,truck1),
inference(nnf_transformation,[status(thm)],[f37]) ).
fof(f37_sk,plain,
~ neq(truck1,truck1),
inference(skolemisation,[status(esa)],[f37_nnf]) ).
cnf(c37,plain,
~ neq(truck1,truck1),
inference(cnf_transformation,[status(esa)],[f37_sk]) ).
cnf(f47,axiom,
~ neq(truck2,truck2),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',neq11) ).
fof(f47_nnf,plain,
~ neq(truck2,truck2),
inference(nnf_transformation,[status(thm)],[f47]) ).
fof(f47_sk,plain,
~ neq(truck2,truck2),
inference(skolemisation,[status(esa)],[f47_nnf]) ).
cnf(c47,plain,
~ neq(truck2,truck2),
inference(cnf_transformation,[status(esa)],[f47_sk]) ).
cnf(f57,axiom,
~ neq(s0,s0),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',neq21) ).
fof(f57_nnf,plain,
~ neq(s0,s0),
inference(nnf_transformation,[status(thm)],[f57]) ).
fof(f57_sk,plain,
~ neq(s0,s0),
inference(skolemisation,[status(esa)],[f57_nnf]) ).
cnf(c57,plain,
~ neq(s0,s0),
inference(cnf_transformation,[status(esa)],[f57_sk]) ).
cnf(f67,axiom,
~ neq(s1,s1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',neq31) ).
fof(f67_nnf,plain,
~ neq(s1,s1),
inference(nnf_transformation,[status(thm)],[f67]) ).
fof(f67_sk,plain,
~ neq(s1,s1),
inference(skolemisation,[status(esa)],[f67_nnf]) ).
cnf(c67,plain,
~ neq(s1,s1),
inference(cnf_transformation,[status(esa)],[f67_sk]) ).
cnf(f77,axiom,
~ neq(s2,s2),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',neq41) ).
fof(f77_nnf,plain,
~ neq(s2,s2),
inference(nnf_transformation,[status(thm)],[f77]) ).
fof(f77_sk,plain,
~ neq(s2,s2),
inference(skolemisation,[status(esa)],[f77_nnf]) ).
cnf(c77,plain,
~ neq(s2,s2),
inference(cnf_transformation,[status(esa)],[f77_sk]) ).
cnf(f87,axiom,
~ neq(p0_1,p0_1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',neq51) ).
fof(f87_nnf,plain,
~ neq(p0_1,p0_1),
inference(nnf_transformation,[status(thm)],[f87]) ).
fof(f87_sk,plain,
~ neq(p0_1,p0_1),
inference(skolemisation,[status(esa)],[f87_nnf]) ).
cnf(c87,plain,
~ neq(p0_1,p0_1),
inference(cnf_transformation,[status(esa)],[f87_sk]) ).
cnf(f97,axiom,
~ neq(p1_2,p1_2),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',neq61) ).
fof(f97_nnf,plain,
~ neq(p1_2,p1_2),
inference(nnf_transformation,[status(thm)],[f97]) ).
fof(f97_sk,plain,
~ neq(p1_2,p1_2),
inference(skolemisation,[status(esa)],[f97_nnf]) ).
cnf(c97,plain,
~ neq(p1_2,p1_2),
inference(cnf_transformation,[status(esa)],[f97_sk]) ).
cnf(f107,axiom,
~ neq(p2_0,p2_0),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',neq71) ).
fof(f107_nnf,plain,
~ neq(p2_0,p2_0),
inference(nnf_transformation,[status(thm)],[f107]) ).
fof(f107_sk,plain,
~ neq(p2_0,p2_0),
inference(skolemisation,[status(esa)],[f107_nnf]) ).
cnf(c107,plain,
~ neq(p2_0,p2_0),
inference(cnf_transformation,[status(esa)],[f107_sk]) ).
cnf(f117,axiom,
~ neq(p2_1,p2_1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',neq81) ).
fof(f117_nnf,plain,
~ neq(p2_1,p2_1),
inference(nnf_transformation,[status(thm)],[f117]) ).
fof(f117_sk,plain,
~ neq(p2_1,p2_1),
inference(skolemisation,[status(esa)],[f117_nnf]) ).
cnf(c117,plain,
~ neq(p2_1,p2_1),
inference(cnf_transformation,[status(esa)],[f117_sk]) ).
cnf(goal_0,negated_conjecture,
true != false,
inference(equality_encoding,[status(esa)],[c37,c47,c57,c67,c77,c87,c97,c107,c117,c137]) ).
cnf(g0_0,plain,
true != true,
inference(rw,[status(thm)],[goal_0,t2687]) ).
cnf(contradiction_0,plain,
$false,
inference(trivial_inequality_removal,[status(thm)],[g0_0]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : PLA031-1.004 : TPTP v9.3.1. Released v3.5.0.
% 0.00/0.04 % Command : run_findproof /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.10/0.37 % Computer : n018.cluster.edu
% 0.10/0.37 % Model : x86_64 x86_64
% 0.10/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.37 % Memory : 8046.5625MB
% 0.10/0.37 % OS : Linux 6.8.0-71-generic
% 0.10/0.37 % CPULimit : 300
% 0.10/0.37 % WCLimit : 300
% 0.10/0.37 % DateTime : Thu Sep 24 06:17:33 UTC 2026
% 0.10/0.37 % CPUTime :
% 0.10/0.37 Running run_findproof /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 249.85/36.63 % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 249.85/36.63 % SZS output start Proof for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
%------------------------------------------------------------------------------