%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : NLP208-1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% Computer : n007.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 02:16:44 PM UTC 2026
% Result : Unsatisfiable 2.14s 6.19s
% Output : CNFRefutation 2.14s
% Verified :
% SZS Type : Refutation
% Derivation depth : 14
% Number of leaves : 11
% Syntax : Number of formulae : 41 ( 14 unt; 0 def)
% Number of atoms : 80 ( 25 equ)
% Maximal formula atoms : 5 ( 1 avg)
% Number of connectives : 88 ( 49 ~; 39 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 10 ( 4 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 : 11 ( 9 usr; 1 prp; 0-4 aty)
% Number of functors : 4 ( 4 usr; 4 con; 0-0 aty)
% Number of variables : 62 ( 0 sgn 62 !; 0 ?; 44 :)
% Comments :
%------------------------------------------------------------------------------
fof(f10,axiom,
! [X0,X1] :
( device(X0,X1)
| ~ wheel(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause10) ).
fof(f11,axiom,
! [X0,X1] :
( instrumentality(X0,X1)
| ~ device(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause11) ).
fof(f12,axiom,
! [X0,X1] :
( artifact(X0,X1)
| ~ instrumentality(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause12) ).
fof(f13,axiom,
! [X0,X1] :
( object(X0,X1)
| ~ artifact(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause13) ).
fof(f20,axiom,
! [X0,X1] :
( unisex(X0,X1)
| ~ object(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause20) ).
fof(f34,axiom,
! [X0,X1] :
( male(X0,X1)
| ~ man(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause34) ).
fof(f60,axiom,
! [X0,X1] :
( ~ unisex(X0,X1)
| ~ male(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause60) ).
fof(f67,axiom,
! [X2,X3,X0,X1] :
( X2 = X3
| ~ be(X0,X1,X2,X3) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause67) ).
fof(f97,negated_conjecture,
man(skc11,skc15),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause94) ).
fof(f101,negated_conjecture,
wheel(skc11,skc12),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause98) ).
fof(f109,negated_conjecture,
be(skc11,skc13,skc15,skc12),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause106) ).
tcf(c_178,plain,
! [X0: $i,X1: $i] :
( device(X0,X1)
| ~ wheel(X0,X1) ),
inference(cnf_transformation,[],[f10]) ).
tcf(c_179,plain,
! [X0: $i,X1: $i] :
( instrumentality(X0,X1)
| ~ device(X0,X1) ),
inference(cnf_transformation,[],[f11]) ).
tcf(c_180,plain,
! [X0: $i,X1: $i] :
( artifact(X0,X1)
| ~ instrumentality(X0,X1) ),
inference(cnf_transformation,[],[f12]) ).
tcf(c_181,plain,
! [X0: $i,X1: $i] :
( object(X0,X1)
| ~ artifact(X0,X1) ),
inference(cnf_transformation,[],[f13]) ).
tcf(c_187,plain,
! [X0: $i,X1: $i] :
( unisex(X0,X1)
| ~ object(X0,X1) ),
inference(cnf_transformation,[],[f20]) ).
tcf(c_200,plain,
! [X0: $i,X1: $i] :
( male(X0,X1)
| ~ man(X0,X1) ),
inference(cnf_transformation,[],[f34]) ).
tcf(c_226,plain,
! [X0: $i,X1: $i] :
( ~ male(X0,X1)
| ~ unisex(X0,X1) ),
inference(cnf_transformation,[],[f60]) ).
tcf(c_233,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] :
( ( X2 = X3 )
| ~ be(X0,X1,X2,X3) ),
inference(cnf_transformation,[],[f67]) ).
tcf(c_256,negated_conjecture,
man(skc11,skc15),
inference(cnf_transformation,[],[f97]) ).
tcf(c_260,negated_conjecture,
wheel(skc11,skc12),
inference(cnf_transformation,[],[f101]) ).
tcf(c_265,negated_conjecture,
be(skc11,skc13,skc15,skc12),
inference(cnf_transformation,[],[f109]) ).
tcf(c_1214,plain,
! [X0: $i,X1: $i] :
( device(X0,X1)
| ( X1 != skc12 )
| ( X0 != skc11 ) ),
inference(resolution_lifted,[status(thm)],[c_178,c_260]) ).
tcf(c_1215,plain,
device(skc11,skc12),
inference(unflattening,[status(thm)],[c_1214]) ).
tcf(c_1220,plain,
! [X0: $i,X1: $i] :
( instrumentality(X0,X1)
| ( X1 != skc12 )
| ( X0 != skc11 ) ),
inference(resolution_lifted,[status(thm)],[c_179,c_1215]) ).
tcf(c_1221,plain,
instrumentality(skc11,skc12),
inference(unflattening,[status(thm)],[c_1220]) ).
tcf(c_1443,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] :
( ~ man(X0,X2)
| ~ unisex(X1,X3)
| ( X2 != X3 )
| ( X0 != X1 ) ),
inference(resolution_lifted,[status(thm)],[c_200,c_226]) ).
tcf(c_1444,plain,
! [X0: $i,X1: $i] :
( ~ man(X0,X1)
| ~ unisex(X0,X1) ),
inference(unflattening,[status(thm)],[c_1443]) ).
tcf(c_1487,plain,
! [X0: $i,X1: $i] :
( artifact(X0,X1)
| ( X1 != skc12 )
| ( X0 != skc11 ) ),
inference(resolution_lifted,[status(thm)],[c_180,c_1221]) ).
tcf(c_1488,plain,
artifact(skc11,skc12),
inference(unflattening,[status(thm)],[c_1487]) ).
tcf(c_1503,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] :
( ( X2 = X3 )
| ( X3 != skc12 )
| ( X2 != skc15 )
| ( X1 != skc13 )
| ( X0 != skc11 ) ),
inference(resolution_lifted,[status(thm)],[c_233,c_265]) ).
tcf(c_1504,plain,
skc15 = skc12,
inference(unflattening,[status(thm)],[c_1503]) ).
tcf(c_1652,plain,
! [X0: $i,X1: $i] :
( object(X0,X1)
| ( X1 != skc12 )
| ( X0 != skc11 ) ),
inference(resolution_lifted,[status(thm)],[c_181,c_1488]) ).
tcf(c_1653,plain,
object(skc11,skc12),
inference(unflattening,[status(thm)],[c_1652]) ).
tcf(c_1736,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] :
( ~ man(X1,X3)
| ~ object(X0,X2)
| ( X2 != X3 )
| ( X0 != X1 ) ),
inference(resolution_lifted,[status(thm)],[c_187,c_1444]) ).
tcf(c_1737,plain,
! [X0: $i,X1: $i] :
( ~ man(X0,X1)
| ~ object(X0,X1) ),
inference(unflattening,[status(thm)],[c_1736]) ).
tcf(c_1874,plain,
! [X0: $i,X1: $i] :
( ~ man(X0,X1)
| ( X1 != skc12 )
| ( X0 != skc11 ) ),
inference(resolution_lifted,[status(thm)],[c_1737,c_1653]) ).
tcf(c_1875,plain,
~ man(skc11,skc12),
inference(unflattening,[status(thm)],[c_1874]) ).
tcf(c_2036,plain,
( ( skc15 != skc12 )
| ( skc11 != skc11 ) ),
inference(resolution_lifted,[status(thm)],[c_256,c_1875]) ).
tcf(c_2037,plain,
skc11 != skc11,
inference(global_subsumption_just,[status(thm)],[c_2036,c_1504,c_2036]) ).
tcf(c_3305,plain,
$false,
inference(equality_resolution_simp,[status(thm)],[c_2037]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : NLP208-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.09/5.38 % Computer : n007.cluster.edu
% 0.09/5.38 % Model : x86_64 x86_64
% 0.09/5.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/5.38 % Memory : 8046.5625MB
% 0.09/5.38 % OS : Linux 6.8.0-71-generic
% 0.09/5.38 % CPULimit : 300
% 0.09/5.38 % WCLimit : 300
% 0.09/5.38 % DateTime : Thu Sep 24 02:19:44 UTC 2026
% 0.09/5.38 % CPUTime :
% 0.09/5.38 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.16/5.42 Running first-order theorem proving
% 0.16/5.42 Running: /export/starexec/sandbox2/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s fof_schedule -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.16/5.43
% 0.16/5.43 % ======== iProver multi-core TPTP/SMT =========
% 0.16/5.43
% 0.16/5.43 % Detected problem language: tptp
% 0.16/5.44 % Proving...
% 2.14/6.19 % SZS status Started for theBenchmark.p
% 2.14/6.19 % SZS status Unsatisfiable for theBenchmark.p
% 2.14/6.19
% 2.14/6.19 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 2.14/6.19
% 2.14/6.19 % ------ iProver source info
% 2.14/6.19
% 2.14/6.19 % git: date: 2026-07-19 20:42:38 +0200
% 2.14/6.19 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 2.14/6.19 % git: non_committed_changes: false
% 2.14/6.19
% 2.14/6.19 % ------ Parsing...% successful
% 2.14/6.19
% 2.14/6.19
% 2.14/6.19 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 2.14/6.19
% 2.14/6.19 % ------ Preprocessing... sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe:1:0s pe:2:0s pe:4:0s pe:8:0s pe:16:0s pe:32:0s pe_e %
% 2.14/6.19
% 2.14/6.19 % SZS status Unsatisfiable for theBenchmark.p
% 2.14/6.19
% 2.14/6.19 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 2.14/6.19
% 2.14/6.19
%------------------------------------------------------------------------------