%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : KRS063+1 : TPTP v9.3.1. Released v3.1.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox/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 01:54:04 PM UTC 2026
% Result : Unsatisfiable 1.10s 1.16s
% Output : CNFRefutation 1.10s
% Verified :
% SZS Type : Refutation
% Derivation depth : 10
% Number of leaves : 5
% Syntax : Number of formulae : 27 ( 12 unt; 0 def)
% Number of atoms : 60 ( 3 equ)
% Maximal formula atoms : 6 ( 2 avg)
% Number of connectives : 62 ( 29 ~; 22 |; 9 &)
% ( 2 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 4 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of types : 1 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 7 ( 5 usr; 1 prp; 0-2 aty)
% Number of functors : 3 ( 3 usr; 2 con; 0-1 aty)
% Number of variables : 34 ( 0 sgn 31 !; 3 ?; 14 :)
% Comments :
%------------------------------------------------------------------------------
fof(f13,axiom,
! [X0] :
( ~ cowlNothing(X0)
& cowlThing(X0) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_0) ).
fof(f16,axiom,
! [X0] :
( cEuroMP(X0)
<=> ? [X1] :
( cowlThing(X1)
& risEuroMPFrom(X0,X1) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_3) ).
fof(f18,axiom,
! [X0,X1] :
( risEuroMPFrom(X0,X1)
<=> rhasEuroMP(X1,X0) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_5) ).
fof(f23,axiom,
~ cEuroMP(iKinnock),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_10) ).
fof(f27,axiom,
rhasEuroMP(iUK,iKinnock),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_14) ).
fof(f56,plain,
! [X0] :
( ( ~ cEuroMP(X0)
| ? [X1] :
( cowlThing(X1)
& risEuroMPFrom(X0,X1) ) )
& ( ! [X1] :
( ~ cowlThing(X1)
| ~ risEuroMPFrom(X0,X1) )
| cEuroMP(X0) ) ),
inference(nnf_transformation,[],[f16]) ).
fof(f57,plain,
! [X0] :
( ( ~ cEuroMP(X0)
| ? [X2] :
( cowlThing(X2)
& risEuroMPFrom(X0,X2) ) )
& ( ! [X1] :
( ~ cowlThing(X1)
| ~ risEuroMPFrom(X0,X1) )
| cEuroMP(X0) ) ),
inference(rectify,[],[f56]) ).
fof(f58,plain,
! [X0] :
( ( ~ cEuroMP(X0)
| ( cowlThing(sK0(X0))
& risEuroMPFrom(X0,sK0(X0)) ) )
& ( ! [X1] :
( ~ cowlThing(X1)
| ~ risEuroMPFrom(X0,X1) )
| cEuroMP(X0) ) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0]),skolemize(X2,sK0(X0))],[f57]) ).
fof(f59,plain,
! [X0,X1] :
( ( ~ risEuroMPFrom(X0,X1)
| rhasEuroMP(X1,X0) )
& ( ~ rhasEuroMP(X1,X0)
| risEuroMPFrom(X0,X1) ) ),
inference(nnf_transformation,[],[f18]) ).
fof(f73,plain,
! [X0] : cowlThing(X0),
inference(cnf_transformation,[],[f13]) ).
fof(f85,plain,
! [X0,X1] :
( ~ cowlThing(X1)
| ~ risEuroMPFrom(X0,X1)
| cEuroMP(X0) ),
inference(cnf_transformation,[],[f58]) ).
fof(f88,plain,
! [X0,X1] :
( ~ rhasEuroMP(X1,X0)
| risEuroMPFrom(X0,X1) ),
inference(cnf_transformation,[],[f59]) ).
fof(f93,plain,
~ cEuroMP(iKinnock),
inference(cnf_transformation,[],[f23]) ).
fof(f97,plain,
rhasEuroMP(iUK,iKinnock),
inference(cnf_transformation,[],[f27]) ).
tcf(c_49,plain,
! [X0: $i] : cowlThing(X0),
inference(cnf_transformation,[],[f73]) ).
tcf(c_60,plain,
! [X0: $i,X1: $i] :
( cEuroMP(X0)
| ~ cowlThing(X1)
| ~ risEuroMPFrom(X0,X1) ),
inference(cnf_transformation,[],[f85]) ).
tcf(c_64,plain,
! [X0: $i,X1: $i] :
( risEuroMPFrom(X1,X0)
| ~ rhasEuroMP(X0,X1) ),
inference(cnf_transformation,[],[f88]) ).
tcf(c_70,plain,
~ cEuroMP(iKinnock),
inference(cnf_transformation,[],[f93]) ).
tcf(c_74,plain,
rhasEuroMP(iUK,iKinnock),
inference(cnf_transformation,[],[f97]) ).
tcf(c_99,plain,
! [X0: $i,X1: $i] :
( risEuroMPFrom(X1,X0)
| ~ rhasEuroMP(X0,X1) ),
inference(prop_impl_just,[status(thm)],[c_64]) ).
tcf(c_151,plain,
! [X0: $i,X1: $i] :
( cEuroMP(X0)
| ~ risEuroMPFrom(X0,X1) ),
inference(backward_subsumption_resolution,[status(thm)],[c_60,c_49]) ).
tcf(c_285,plain,
! [X0: $i,X1: $i] :
( ~ risEuroMPFrom(X0,X1)
| ( X0 != iKinnock ) ),
inference(resolution_lifted,[status(thm)],[c_151,c_70]) ).
tcf(c_286,plain,
! [X0: $i] : ~ risEuroMPFrom(iKinnock,X0),
inference(unflattening,[status(thm)],[c_285]) ).
tcf(c_287,plain,
~ risEuroMPFrom(iKinnock,iUK),
inference(instantiation,[status(thm)],[c_286]) ).
tcf(c_304,plain,
! [X0: $i,X1: $i] :
( risEuroMPFrom(X1,X0)
| ( X1 != iKinnock )
| ( X0 != iUK ) ),
inference(resolution_lifted,[status(thm)],[c_99,c_74]) ).
tcf(c_305,plain,
risEuroMPFrom(iKinnock,iUK),
inference(unflattening,[status(thm)],[c_304]) ).
tcf(c_306,plain,
$false,
inference(prop_impl_just,[status(thm)],[c_305,c_287]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : KRS063+1 : TPTP v9.3.1. Released v3.1.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.09/0.35 % Computer : n008.cluster.edu
% 0.09/0.35 % Model : x86_64 x86_64
% 0.09/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.35 % Memory : 8046.5625MB
% 0.09/0.35 % OS : Linux 6.8.0-71-generic
% 0.09/0.35 % CPULimit : 300
% 0.09/0.35 % WCLimit : 300
% 0.09/0.35 % DateTime : Wed Sep 23 19:18:54 UTC 2026
% 0.09/0.36 % CPUTime :
% 0.09/0.36 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.13/0.40 Running first-order theorem proving
% 0.13/0.40 Running: /export/starexec/sandbox/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s fof_schedule -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.13/0.41
% 0.13/0.41 % ======== iProver multi-core TPTP/SMT =========
% 0.13/0.41
% 0.13/0.41 % Detected problem language: tptp
% 0.13/0.42 % Proving...
% 1.10/1.16 % SZS status Started for theBenchmark.p
% 1.10/1.16 % SZS status Unsatisfiable for theBenchmark.p
% 1.10/1.16
% 1.10/1.16 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 1.10/1.16
% 1.10/1.16 % ------ iProver source info
% 1.10/1.16
% 1.10/1.16 % git: date: 2026-07-19 20:42:38 +0200
% 1.10/1.16 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 1.10/1.16 % git: non_committed_changes: false
% 1.10/1.16
% 1.10/1.16 % ------ Parsing...
% 1.10/1.16 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 1.10/1.16
% 1.10/1.16 % ------ Preprocessing... sup_sim: 0 sf_s rm: 14 0s sf_e pe_s pe:1:0s%
% 1.10/1.16
% 1.10/1.16 % SZS status Unsatisfiable for theBenchmark.p
% 1.10/1.16
% 1.10/1.16 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.10/1.16
% 1.10/1.16
%------------------------------------------------------------------------------