%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : PLA031-1.004 : TPTP v9.3.1. Released v3.5.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 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 : Fri Sep 25 02:31:02 PM UTC 2026
% Result : Unsatisfiable 38.38s 7.70s
% Output : CNFRefutation 38.38s
% Verified :
% SZS Type : Refutation
% Derivation depth : 22
% Number of leaves : 27
% Syntax : Number of formulae : 93 ( 34 unt; 0 def)
% Number of atoms : 173 ( 0 equ)
% Maximal formula atoms : 4 ( 1 avg)
% Number of connectives : 164 ( 84 ~; 80 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 14 ( 6 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of types : 1 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 5 ( 4 usr; 1 prp; 0-9 aty)
% Number of functors : 6 ( 6 usr; 6 con; 0-0 aty)
% Number of variables : 357 ( 0 sgn 357 !; 0 ?; 187 :)
% Comments :
%------------------------------------------------------------------------------
fof(f3,axiom,
! [X2,X3,X0,X1,X6,X7,X4,X5] :
( s(truck2,X1,X2,X3,X4,X5,X6,X7,X0)
| ~ s(X0,X1,X2,X3,X4,X5,X6,X7,X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',load3) ).
fof(f4,axiom,
! [X2,X3,X0,X1,X6,X7,X4,X5] :
( ~ s(truck2,X1,X2,X3,X4,X5,X6,X7,X0)
| s(X0,X1,X2,X3,X4,X5,X6,X7,X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',load4) ).
fof(f5,axiom,
! [X2,X3,X0,X1,X6,X7,X4,X5] :
( s(X0,truck1,X2,X3,X4,X5,X6,X1,X7)
| ~ s(X0,X1,X2,X3,X4,X5,X6,X1,X7) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',load5) ).
fof(f7,axiom,
! [X2,X3,X0,X1,X6,X7,X4,X5] :
( s(X0,truck2,X2,X3,X4,X5,X6,X7,X1)
| ~ s(X0,X1,X2,X3,X4,X5,X6,X7,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',load7) ).
fof(f8,axiom,
! [X2,X3,X0,X1,X6,X7,X4,X5] :
( ~ s(X0,truck2,X2,X3,X4,X5,X6,X7,X1)
| s(X0,X1,X2,X3,X4,X5,X6,X7,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',load8) ).
fof(f11,axiom,
! [X2,X3,X0,X1,X6,X7,X4,X5] :
( s(X0,X1,truck2,X3,X4,X5,X6,X7,X2)
| ~ s(X0,X1,X2,X3,X4,X5,X6,X7,X2) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',load11) ).
fof(f12,axiom,
! [X2,X3,X0,X1,X6,X7,X4,X5] :
( ~ s(X0,X1,truck2,X3,X4,X5,X6,X7,X2)
| s(X0,X1,X2,X3,X4,X5,X6,X7,X2) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',load12) ).
fof(f13,axiom,
! [X2,X3,X0,X1,X6,X7,X4,X5] :
( s(X0,X1,X2,truck1,X4,X5,X6,X3,X7)
| ~ s(X0,X1,X2,X3,X4,X5,X6,X3,X7) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',load13) ).
fof(f14,axiom,
! [X2,X3,X0,X1,X6,X7,X4,X5] :
( ~ s(X0,X1,X2,truck1,X4,X5,X6,X3,X7)
| s(X0,X1,X2,X3,X4,X5,X6,X3,X7) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',load14) ).
fof(f15,axiom,
! [X2,X3,X0,X1,X6,X7,X4,X5] :
( s(X0,X1,X2,truck2,X4,X5,X6,X7,X3)
| ~ s(X0,X1,X2,X3,X4,X5,X6,X7,X3) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',load15) ).
fof(f16,axiom,
! [X2,X3,X0,X1,X6,X7,X4,X5] :
( ~ s(X0,X1,X2,truck2,X4,X5,X6,X7,X3)
| s(X0,X1,X2,X3,X4,X5,X6,X7,X3) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',load16) ).
fof(f19,axiom,
! [X2,X3,X0,X1,X6,X7,X4,X5] :
( 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) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',board3) ).
fof(f20,axiom,
! [X2,X3,X0,X1,X6,X7,X4,X5] :
( ~ s(X0,X1,X2,X3,truck2,X5,X6,X7,X4)
| s(X0,X1,X2,X3,X4,X5,X6,X7,X4) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',board4) ).
fof(f27,axiom,
! [X2,X3,X0,X1,X6,X7,X4,X5] :
( 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) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',board11) ).
fof(f28,axiom,
! [X2,X3,X0,X1,X6,X7,X4,X5] :
( ~ s(X0,X1,X2,X3,X4,X5,truck2,X7,X6)
| s(X0,X1,X2,X3,X4,X5,X6,X7,X6) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',board12) ).
fof(f30,axiom,
! [X2,X3,X0,X1,X8,X6,X7,X4,X5] :
( s(X0,X1,X2,X3,truck2,X4,X5,X6,X8)
| ~ link(X7,X8)
| ~ s(X0,X1,X2,X3,truck2,X4,X5,X6,X7) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',drive2) ).
fof(f34,axiom,
! [X2,X3,X0,X1,X8,X6,X7,X4,X5] :
( s(X0,X1,X2,X3,X4,X5,truck2,X6,X8)
| ~ link(X7,X8)
| ~ s(X0,X1,X2,X3,X4,X5,truck2,X6,X7) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',drive6) ).
fof(f35,axiom,
! [X2,X3,X0,X1,X8,X6,X9,X7,X4,X5] :
( s(X0,X1,X2,X3,X9,X5,X6,X7,X8)
| ~ path(X4,X9)
| ~ s(X0,X1,X2,X3,X4,X5,X6,X7,X8) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',walk1) ).
fof(f36,axiom,
! [X2,X3,X0,X1,X8,X6,X9,X7,X4,X5] :
( s(X0,X1,X2,X3,X4,X9,X6,X7,X8)
| ~ path(X5,X9)
| ~ s(X0,X1,X2,X3,X4,X5,X6,X7,X8) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',walk2) ).
fof(f37,axiom,
! [X2,X3,X0,X1,X8,X6,X9,X7,X4,X5] :
( s(X0,X1,X2,X3,X4,X5,X9,X7,X8)
| ~ path(X6,X9)
| ~ s(X0,X1,X2,X3,X4,X5,X6,X7,X8) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',walk3) ).
fof(f75,axiom,
neq(s2,truck2),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',neq38) ).
fof(f125,axiom,
path(s2,p1_2),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',map7) ).
fof(f131,axiom,
link(s0,s2),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',map13) ).
fof(f133,axiom,
link(s1,s0),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',map15) ).
fof(f135,axiom,
link(s2,s1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',map17) ).
fof(f137,axiom,
s(s1,s0,s2,s0,s1,s2,s2,s0,s1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',init) ).
fof(f138,negated_conjecture,
! [X0,X1] : ~ s(s0,s0,s1,s2,s2,X0,X1,s0,s1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',goal) ).
tcf(c_189,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i,X6: $i,X7: $i] :
( s(truck2,X1,X2,X3,X4,X5,X6,X7,X0)
| ~ s(X0,X1,X2,X3,X4,X5,X6,X7,X0) ),
inference(cnf_transformation,[],[f3]) ).
tcf(c_190,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i,X6: $i,X7: $i] :
( s(X7,X0,X1,X2,X3,X4,X5,X6,X7)
| ~ s(truck2,X0,X1,X2,X3,X4,X5,X6,X7) ),
inference(cnf_transformation,[],[f4]) ).
tcf(c_191,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i,X6: $i,X7: $i] :
( s(X0,truck1,X2,X3,X4,X5,X6,X1,X7)
| ~ s(X0,X1,X2,X3,X4,X5,X6,X1,X7) ),
inference(cnf_transformation,[],[f5]) ).
tcf(c_193,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i,X6: $i,X7: $i] :
( s(X0,truck2,X2,X3,X4,X5,X6,X7,X1)
| ~ s(X0,X1,X2,X3,X4,X5,X6,X7,X1) ),
inference(cnf_transformation,[],[f7]) ).
tcf(c_194,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i,X6: $i,X7: $i] :
( s(X0,X7,X1,X2,X3,X4,X5,X6,X7)
| ~ s(X0,truck2,X1,X2,X3,X4,X5,X6,X7) ),
inference(cnf_transformation,[],[f8]) ).
tcf(c_197,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i,X6: $i,X7: $i] :
( s(X0,X1,truck2,X3,X4,X5,X6,X7,X2)
| ~ s(X0,X1,X2,X3,X4,X5,X6,X7,X2) ),
inference(cnf_transformation,[],[f11]) ).
tcf(c_198,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i,X6: $i,X7: $i] :
( s(X0,X1,X7,X2,X3,X4,X5,X6,X7)
| ~ s(X0,X1,truck2,X2,X3,X4,X5,X6,X7) ),
inference(cnf_transformation,[],[f12]) ).
tcf(c_199,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i,X6: $i,X7: $i] :
( s(X0,X1,X2,truck1,X4,X5,X6,X3,X7)
| ~ s(X0,X1,X2,X3,X4,X5,X6,X3,X7) ),
inference(cnf_transformation,[],[f13]) ).
tcf(c_200,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i,X6: $i,X7: $i] :
( s(X0,X1,X2,X6,X3,X4,X5,X6,X7)
| ~ s(X0,X1,X2,truck1,X3,X4,X5,X6,X7) ),
inference(cnf_transformation,[],[f14]) ).
tcf(c_201,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i,X6: $i,X7: $i] :
( s(X0,X1,X2,truck2,X4,X5,X6,X7,X3)
| ~ s(X0,X1,X2,X3,X4,X5,X6,X7,X3) ),
inference(cnf_transformation,[],[f15]) ).
tcf(c_202,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i,X6: $i,X7: $i] :
( s(X0,X1,X2,X7,X3,X4,X5,X6,X7)
| ~ s(X0,X1,X2,truck2,X3,X4,X5,X6,X7) ),
inference(cnf_transformation,[],[f16]) ).
tcf(c_205,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i,X6: $i,X7: $i] :
( 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,[],[f19]) ).
tcf(c_206,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i,X6: $i,X7: $i] :
( s(X0,X1,X2,X3,X7,X4,X5,X6,X7)
| ~ s(X0,X1,X2,X3,truck2,X4,X5,X6,X7) ),
inference(cnf_transformation,[],[f20]) ).
tcf(c_213,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i,X6: $i,X7: $i] :
( 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,[],[f27]) ).
tcf(c_214,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i,X6: $i,X7: $i] :
( s(X0,X1,X2,X3,X4,X5,X7,X6,X7)
| ~ s(X0,X1,X2,X3,X4,X5,truck2,X6,X7) ),
inference(cnf_transformation,[],[f28]) ).
tcf(c_216,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i,X6: $i,X7: $i,X8: $i] :
( 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,[],[f30]) ).
tcf(c_220,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i,X6: $i,X7: $i,X8: $i] :
( 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,[],[f34]) ).
tcf(c_221,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i,X6: $i,X7: $i,X8: $i,X9: $i] :
( s(X0,X1,X2,X3,X9,X5,X6,X7,X8)
| ~ path(X4,X9)
| ~ s(X0,X1,X2,X3,X4,X5,X6,X7,X8) ),
inference(cnf_transformation,[],[f35]) ).
tcf(c_222,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i,X6: $i,X7: $i,X8: $i,X9: $i] :
( s(X0,X1,X2,X3,X4,X9,X6,X7,X8)
| ~ path(X5,X9)
| ~ s(X0,X1,X2,X3,X4,X5,X6,X7,X8) ),
inference(cnf_transformation,[],[f36]) ).
tcf(c_223,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i,X6: $i,X7: $i,X8: $i,X9: $i] :
( s(X0,X1,X2,X3,X4,X5,X9,X7,X8)
| ~ path(X6,X9)
| ~ s(X0,X1,X2,X3,X4,X5,X6,X7,X8) ),
inference(cnf_transformation,[],[f37]) ).
tcf(c_261,plain,
neq(s2,truck2),
inference(cnf_transformation,[],[f75]) ).
tcf(c_311,plain,
path(s2,p1_2),
inference(cnf_transformation,[],[f125]) ).
tcf(c_317,plain,
link(s0,s2),
inference(cnf_transformation,[],[f131]) ).
tcf(c_319,plain,
link(s1,s0),
inference(cnf_transformation,[],[f133]) ).
tcf(c_321,plain,
link(s2,s1),
inference(cnf_transformation,[],[f135]) ).
tcf(c_323,plain,
s(s1,s0,s2,s0,s1,s2,s2,s0,s1),
inference(cnf_transformation,[],[f137]) ).
tcf(c_324,negated_conjecture,
! [X0: $i,X1: $i] : ~ s(s0,s0,s1,s2,s2,X0,X1,s0,s1),
inference(cnf_transformation,[],[f138]) ).
tcf(c_350,plain,
s(truck2,s0,s2,s0,s1,s2,s2,s0,s1),
inference(superposition,[status(thm)],[c_323,c_189]) ).
tcf(c_373,plain,
s(truck2,s0,s2,truck1,s1,s2,s2,s0,s1),
inference(superposition,[status(thm)],[c_350,c_199]) ).
tcf(c_535,plain,
( s(s1,s0,s2,s0,truck2,s2,s2,s0,s1)
| ~ neq(s2,truck2) ),
inference(superposition,[status(thm)],[c_323,c_205]) ).
tcf(c_540,plain,
( s(truck2,s0,s2,truck1,truck2,s2,s2,s0,s1)
| ~ neq(s2,truck2) ),
inference(superposition,[status(thm)],[c_373,c_205]) ).
tcf(c_551,plain,
s(truck2,s0,s2,truck1,truck2,s2,s2,s0,s1),
inference(forward_subsumption_resolution,[status(thm)],[c_540,c_261]) ).
tcf(c_556,plain,
s(s1,s0,s2,s0,truck2,s2,s2,s0,s1),
inference(forward_subsumption_resolution,[status(thm)],[c_535,c_261]) ).
tcf(c_654,plain,
! [X0: $i] :
( s(truck2,s0,s2,truck1,truck2,s2,s2,s0,X0)
| ~ link(s1,X0) ),
inference(superposition,[status(thm)],[c_551,c_216]) ).
tcf(c_714,plain,
! [X0: $i] :
( s(s1,s0,s2,s0,truck2,s2,s2,s0,X0)
| ~ link(s1,X0) ),
inference(superposition,[status(thm)],[c_556,c_216]) ).
tcf(c_4269,plain,
( s(truck2,truck2,s2,truck1,truck2,s2,s2,s0,s0)
| ~ link(s1,s0) ),
inference(superposition,[status(thm)],[c_654,c_193]) ).
tcf(c_4281,plain,
s(truck2,truck2,s2,truck1,truck2,s2,s2,s0,s0),
inference(forward_subsumption_resolution,[status(thm)],[c_4269,c_319]) ).
tcf(c_4321,plain,
s(s0,truck2,s2,truck1,truck2,s2,s2,s0,s0),
inference(superposition,[status(thm)],[c_4281,c_190]) ).
tcf(c_4343,plain,
s(s0,s0,s2,truck1,truck2,s2,s2,s0,s0),
inference(superposition,[status(thm)],[c_4321,c_194]) ).
tcf(c_4485,plain,
s(s0,s0,s2,s0,truck2,s2,s2,s0,s0),
inference(superposition,[status(thm)],[c_4343,c_200]) ).
tcf(c_4785,plain,
s(s0,s0,s2,truck2,truck2,s2,s2,s0,s0),
inference(superposition,[status(thm)],[c_4485,c_201]) ).
tcf(c_5635,plain,
! [X0: $i] :
( s(s0,s0,s2,truck2,truck2,s2,s2,s0,X0)
| ~ link(s0,X0) ),
inference(superposition,[status(thm)],[c_4785,c_216]) ).
tcf(c_7330,plain,
! [X0: $i,X1: $i] :
( s(s0,s0,s1,s2,s2,X0,X1,s0,s1)
| ~ s(s0,s0,truck2,s2,s2,X0,X1,s0,s1) ),
inference(instantiation,[status(thm)],[c_198]) ).
tcf(c_7623,plain,
! [X0: $i] :
( s(s0,s0,s1,s2,s2,X0,s1,s0,s1)
| ~ s(s0,s0,s1,s2,s2,X0,truck2,s0,s1) ),
inference(instantiation,[status(thm)],[c_214]) ).
tcf(c_7624,plain,
! [X0: $i] : ~ s(s0,s0,s1,s2,s2,X0,s1,s0,s1),
inference(instantiation,[status(thm)],[c_324]) ).
tcf(c_8186,plain,
! [X0: $i] :
( s(s0,s0,s1,s2,s2,X0,truck2,s0,s1)
| ~ s(s0,s0,truck2,s2,s2,X0,truck2,s0,s1) ),
inference(instantiation,[status(thm)],[c_7330]) ).
tcf(c_10958,plain,
! [X0: $i,X1: $i] :
( s(s0,s0,truck2,s2,s2,X0,truck2,s0,s1)
| ~ link(X1,s1)
| ~ s(s0,s0,truck2,s2,s2,X0,truck2,s0,X1) ),
inference(instantiation,[status(thm)],[c_220]) ).
tcf(c_23923,plain,
! [X0: $i] :
( s(s0,s0,truck2,s2,s2,X0,truck2,s0,s1)
| ~ link(s2,s1)
| ~ s(s0,s0,truck2,s2,s2,X0,truck2,s0,s2) ),
inference(instantiation,[status(thm)],[c_10958]) ).
tcf(c_39062,plain,
! [X0: $i] :
( s(s1,s0,s2,s0,X0,s2,s2,s0,s1)
| ~ path(s1,X0) ),
inference(superposition,[status(thm)],[c_323,c_221]) ).
tcf(c_39077,plain,
! [X0: $i] :
( s(s1,s0,s2,s0,truck2,s2,s2,s0,X0)
| ~ path(s1,truck2)
| ~ link(s1,X0) ),
inference(superposition,[status(thm)],[c_39062,c_216]) ).
tcf(c_39306,plain,
! [X0: $i] :
( s(s1,s0,s2,s0,truck2,s2,s2,s0,X0)
| ~ link(s1,X0) ),
inference(global_subsumption_just,[status(thm)],[c_39077,c_714]) ).
tcf(c_39315,plain,
( s(s1,s0,s2,truck2,truck2,s2,s2,s0,s0)
| ~ link(s1,s0) ),
inference(superposition,[status(thm)],[c_39306,c_201]) ).
tcf(c_39322,plain,
s(s1,s0,s2,truck2,truck2,s2,s2,s0,s0),
inference(forward_subsumption_resolution,[status(thm)],[c_39315,c_319]) ).
tcf(c_39503,plain,
s(s1,truck1,s2,truck2,truck2,s2,s2,s0,s0),
inference(superposition,[status(thm)],[c_39322,c_191]) ).
tcf(c_39755,plain,
s(s1,truck1,s2,s0,truck2,s2,s2,s0,s0),
inference(superposition,[status(thm)],[c_39503,c_202]) ).
tcf(c_39988,plain,
s(s1,truck1,s2,truck1,truck2,s2,s2,s0,s0),
inference(superposition,[status(thm)],[c_39755,c_199]) ).
tcf(c_40355,plain,
! [X0: $i] :
( s(s1,truck1,s2,truck1,truck2,s2,X0,s0,s0)
| ~ path(s2,X0) ),
inference(superposition,[status(thm)],[c_39988,c_223]) ).
tcf(c_110658,plain,
( s(s0,s0,truck2,truck2,truck2,s2,s2,s0,s2)
| ~ link(s0,s2) ),
inference(superposition,[status(thm)],[c_5635,c_197]) ).
tcf(c_110669,plain,
s(s0,s0,truck2,truck2,truck2,s2,s2,s0,s2),
inference(forward_subsumption_resolution,[status(thm)],[c_110658,c_317]) ).
tcf(c_110709,plain,
s(s0,s0,truck2,s2,truck2,s2,s2,s0,s2),
inference(superposition,[status(thm)],[c_110669,c_202]) ).
tcf(c_110825,plain,
s(s0,s0,truck2,s2,s2,s2,s2,s0,s2),
inference(superposition,[status(thm)],[c_110709,c_206]) ).
tcf(c_111115,plain,
( s(s0,s0,truck2,s2,s2,s2,truck2,s0,s2)
| ~ neq(s2,truck2) ),
inference(superposition,[status(thm)],[c_110825,c_213]) ).
tcf(c_111119,plain,
s(s0,s0,truck2,s2,s2,s2,truck2,s0,s2),
inference(forward_subsumption_resolution,[status(thm)],[c_111115,c_261]) ).
tcf(c_111759,plain,
! [X0: $i] :
( s(s0,s0,truck2,s2,s2,X0,truck2,s0,s2)
| ~ path(s2,X0) ),
inference(superposition,[status(thm)],[c_111119,c_222]) ).
tcf(c_111780,plain,
! [X0: $i] : ~ path(s2,X0),
inference(global_subsumption_just,[status(thm)],[c_40355,c_321,c_7623,c_7624,c_8186,c_23923,c_111759]) ).
tcf(c_111783,plain,
$false,
inference(backward_subsumption_resolution,[status(thm)],[c_311,c_111780]) ).
%------------------------------------------------------------------------------
%----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_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.13/0.39 % Computer : n008.cluster.edu
% 0.13/0.39 % Model : x86_64 x86_64
% 0.13/0.39 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.39 % Memory : 8046.5625MB
% 0.13/0.39 % OS : Linux 6.8.0-71-generic
% 0.13/0.39 % CPULimit : 300
% 0.13/0.39 % WCLimit : 300
% 0.13/0.39 % DateTime : Thu Sep 24 06:15:54 UTC 2026
% 0.13/0.39 % CPUTime :
% 0.13/0.39 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.13/0.43 Running EPR theorem proving
% 0.13/0.43 Running: /export/starexec/sandbox2/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s epr_schedule -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.44
% 0.13/0.44 % ======== iProver multi-core TPTP/SMT =========
% 0.13/0.44
% 0.13/0.44 % Detected problem language: tptp
% 0.13/0.45 % Proving...
% 38.38/7.70 % SZS status Started for theBenchmark.p
% 38.38/7.70 % SZS status Unsatisfiable for theBenchmark.p
% 38.38/7.70
% 38.38/7.70 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 38.38/7.70
% 38.38/7.70 % ------ iProver source info
% 38.38/7.70
% 38.38/7.70 % git: date: 2026-07-19 20:42:38 +0200
% 38.38/7.70 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 38.38/7.70 % git: non_committed_changes: false
% 38.38/7.70
% 38.38/7.70 % ------ Parsing...% successful
% 38.38/7.70
% 38.38/7.70
% 38.38/7.70 % ------ Clausification by vclausify_rel & Parsing by iProver...
% 38.38/7.70 % ------ Proving...
% 38.38/7.70 % ------ Problem Properties
% 38.38/7.70
% 38.38/7.70 %
% 38.38/7.70 % clauses 138
% 38.38/7.70 % conjectures 1
% 38.38/7.70 % EPR 138
% 38.38/7.70 % Horn 138
% 38.38/7.70 % unary 101
% 38.38/7.70 % binary 22
% 38.38/7.70 % lits 196
% 38.38/7.70 % lits eq 0
% 38.38/7.70 % fd_pure 0
% 38.38/7.70 % fd_pseudo 0
% 38.38/7.70 % fd_cond 0
% 38.38/7.70 % fd_pseudo_cond 0
% 38.38/7.70 % AC symbols 0
% 38.38/7.70
% 38.38/7.70 % ------ Input Options Time Limit: Unbounded
% 38.38/7.70
% 38.38/7.70
% 38.38/7.70 % ------
% 38.38/7.70 % Current options:
% 38.38/7.70 % ------
% 38.38/7.70
% 38.38/7.70
% 38.38/7.70 %
% 38.38/7.70
% 38.38/7.70 % ------ Proving...
% 38.38/7.70 %
% 38.38/7.70
% 38.38/7.70 % SZS status Unsatisfiable for theBenchmark.p
% 38.38/7.70
% 38.38/7.70 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 38.38/7.70
% 38.38/7.70
%------------------------------------------------------------------------------