%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : PUZ030-2 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% Computer : n001.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 02:32:45 PM UTC 2026
% Result : Unsatisfiable 1.18s 1.27s
% Output : CNFRefutation 1.18s
% Verified :
% SZS Type : Refutation
% Derivation depth : 2
% Number of leaves : 30
% Syntax : Number of formulae : 61 ( 1 unt; 0 def)
% Number of atoms : 209 ( 0 equ)
% Maximal formula atoms : 10 ( 3 avg)
% Number of connectives : 254 ( 106 ~; 148 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 10 ( 4 avg)
% Maximal term depth : 0 ( 0 avg)
% Number of types : 0 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 11 ( 10 usr; 11 prp; 0-0 aty)
% Number of functors : 0 ( 0 usr; 0 con; --- aty)
% Number of variables : 0 ( 0 sgn 0 !; 0 ?; 0 :)
% Comments :
%------------------------------------------------------------------------------
fof(f4,axiom,
( salt_lang
| salt_barry
| ~ salt_mill ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c4) ).
fof(f6,axiom,
( ~ salt_mill
| ~ mustard_cole
| ~ mustard_lang ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c6) ).
fof(f8,axiom,
( ~ salt_mill
| ~ salt_cole
| ~ mustard_lang ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c8) ).
fof(f11,axiom,
( ~ mustard_mill
| ~ salt_lang
| ~ mustard_dix ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c11) ).
fof(f12,axiom,
( ~ salt_mill
| ~ salt_lang
| ~ mustard_dix ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c12) ).
fof(f15,axiom,
( mustard_cole
| ~ salt_barry
| ~ salt_dix ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c15) ).
fof(f16,axiom,
( salt_cole
| ~ salt_barry
| ~ salt_dix ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c16) ).
fof(f17,axiom,
( mustard_lang
| mustard_dix
| ~ mustard_cole ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c17) ).
fof(f18,axiom,
( salt_lang
| mustard_dix
| ~ mustard_cole ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c18) ).
fof(f22,axiom,
( salt_mill
| ~ mustard_dix
| ~ mustard_barry ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c22) ).
fof(f28,axiom,
( mustard_mill
| mustard_cole
| ~ salt_cole ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c28) ).
fof(f29,axiom,
( salt_mill
| ~ mustard_lang
| ~ salt_lang ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c29) ).
fof(f30,axiom,
( salt_mill
| ~ mustard_barry
| ~ salt_barry ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c30) ).
fof(f31,axiom,
( salt_lang
| ~ mustard_dix
| salt_dix ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c31) ).
fof(f32,axiom,
( salt_lang
| mustard_dix
| ~ salt_dix ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c32) ).
fof(f34,axiom,
( salt_lang
| mustard_barry
| ~ salt_barry ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c34) ).
fof(f36,axiom,
( mustard_cole
| ~ mustard_lang
| ~ salt_lang ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c36) ).
fof(f37,axiom,
( mustard_cole
| ~ mustard_dix
| ~ salt_dix ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c37) ).
fof(f41,axiom,
( salt_barry
| ~ mustard_lang
| salt_lang ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c41) ).
fof(f42,axiom,
( salt_barry
| mustard_lang
| ~ salt_lang ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c42) ).
fof(f43,axiom,
( salt_barry
| ~ mustard_cole
| salt_cole ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c43) ).
fof(f45,axiom,
( ~ mustard_mill
| ~ salt_barry
| ~ mustard_barry
| ~ salt_cole ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c45) ).
fof(f49,axiom,
( ~ salt_dix
| ~ mustard_dix
| ~ salt_cole
| ~ mustard_cole
| ~ mustard_mill ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c49) ).
fof(f50,axiom,
( mustard_dix
| salt_dix
| mustard_cole
| salt_cole
| ~ mustard_mill ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c50) ).
fof(f55,axiom,
( mustard_lang
| salt_lang
| ~ salt_cole
| ~ mustard_cole
| ~ salt_barry ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c55) ).
fof(f56,axiom,
( mustard_lang
| mustard_mill
| salt_mill ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c56) ).
fof(f57,axiom,
( mustard_lang
| mustard_cole
| salt_cole ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c57) ).
fof(f59,axiom,
( mustard_dix
| mustard_lang
| salt_lang ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c59) ).
fof(f62,axiom,
( mustard_barry
| mustard_dix
| salt_dix ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c62) ).
fof(f63,negated_conjecture,
( mustard_mill
| mustard_dix
| salt_dix
| mustard_cole
| salt_cole
| ~ mustard_lang
| ~ salt_mill
| ~ salt_barry
| ~ mustard_barry
| salt_lang ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_who_takes_what) ).
tcf(c_115,plain,
( salt_barry
| salt_lang
| ~ salt_mill ),
inference(cnf_transformation,[],[f4]) ).
tcf(c_117,plain,
( ~ mustard_cole
| ~ mustard_lang
| ~ salt_mill ),
inference(cnf_transformation,[],[f6]) ).
tcf(c_119,plain,
( ~ salt_cole
| ~ mustard_lang
| ~ salt_mill ),
inference(cnf_transformation,[],[f8]) ).
tcf(c_122,plain,
( ~ mustard_dix
| ~ mustard_mill
| ~ salt_lang ),
inference(cnf_transformation,[],[f11]) ).
tcf(c_123,plain,
( ~ mustard_dix
| ~ salt_lang
| ~ salt_mill ),
inference(cnf_transformation,[],[f12]) ).
tcf(c_126,plain,
( mustard_cole
| ~ salt_dix
| ~ salt_barry ),
inference(cnf_transformation,[],[f15]) ).
tcf(c_127,plain,
( salt_cole
| ~ salt_dix
| ~ salt_barry ),
inference(cnf_transformation,[],[f16]) ).
tcf(c_128,plain,
( mustard_dix
| mustard_lang
| ~ mustard_cole ),
inference(cnf_transformation,[],[f17]) ).
tcf(c_129,plain,
( mustard_dix
| salt_lang
| ~ mustard_cole ),
inference(cnf_transformation,[],[f18]) ).
tcf(c_133,plain,
( salt_mill
| ~ mustard_dix
| ~ mustard_barry ),
inference(cnf_transformation,[],[f22]) ).
tcf(c_139,plain,
( mustard_mill
| mustard_cole
| ~ salt_cole ),
inference(cnf_transformation,[],[f28]) ).
tcf(c_140,plain,
( salt_mill
| ~ salt_lang
| ~ mustard_lang ),
inference(cnf_transformation,[],[f29]) ).
tcf(c_141,plain,
( salt_mill
| ~ salt_barry
| ~ mustard_barry ),
inference(cnf_transformation,[],[f30]) ).
tcf(c_142,plain,
( salt_dix
| salt_lang
| ~ mustard_dix ),
inference(cnf_transformation,[],[f31]) ).
tcf(c_143,plain,
( mustard_dix
| salt_lang
| ~ salt_dix ),
inference(cnf_transformation,[],[f32]) ).
tcf(c_145,plain,
( salt_lang
| mustard_barry
| ~ salt_barry ),
inference(cnf_transformation,[],[f34]) ).
tcf(c_147,plain,
( mustard_cole
| ~ salt_lang
| ~ mustard_lang ),
inference(cnf_transformation,[],[f36]) ).
tcf(c_148,plain,
( mustard_cole
| ~ salt_dix
| ~ mustard_dix ),
inference(cnf_transformation,[],[f37]) ).
tcf(c_152,plain,
( salt_barry
| salt_lang
| ~ mustard_lang ),
inference(cnf_transformation,[],[f41]) ).
tcf(c_153,plain,
( salt_barry
| mustard_lang
| ~ salt_lang ),
inference(cnf_transformation,[],[f42]) ).
tcf(c_154,plain,
( salt_cole
| salt_barry
| ~ mustard_cole ),
inference(cnf_transformation,[],[f43]) ).
tcf(c_156,plain,
( ~ salt_cole
| ~ mustard_mill
| ~ salt_barry
| ~ mustard_barry ),
inference(cnf_transformation,[],[f45]) ).
tcf(c_160,plain,
( ~ salt_dix
| ~ mustard_dix
| ~ salt_cole
| ~ mustard_mill
| ~ mustard_cole ),
inference(cnf_transformation,[],[f49]) ).
tcf(c_161,plain,
( salt_dix
| mustard_dix
| salt_cole
| mustard_cole
| ~ mustard_mill ),
inference(cnf_transformation,[],[f50]) ).
tcf(c_166,plain,
( salt_lang
| mustard_lang
| ~ salt_cole
| ~ mustard_cole
| ~ salt_barry ),
inference(cnf_transformation,[],[f55]) ).
tcf(c_167,plain,
( mustard_mill
| mustard_lang
| salt_mill ),
inference(cnf_transformation,[],[f56]) ).
tcf(c_168,plain,
( salt_cole
| mustard_cole
| mustard_lang ),
inference(cnf_transformation,[],[f57]) ).
tcf(c_170,plain,
( mustard_dix
| salt_lang
| mustard_lang ),
inference(cnf_transformation,[],[f59]) ).
tcf(c_173,plain,
( salt_dix
| mustard_dix
| mustard_barry ),
inference(cnf_transformation,[],[f62]) ).
tcf(c_174,negated_conjecture,
( salt_dix
| mustard_dix
| salt_cole
| mustard_mill
| mustard_cole
| salt_lang
| ~ salt_barry
| ~ mustard_lang
| ~ mustard_barry
| ~ salt_mill ),
inference(cnf_transformation,[],[f63]) ).
tcf(c_175,plain,
$false,
inference(prop_impl_just,[status(thm)],[c_174,c_160,c_156,c_166,c_117,c_119,c_122,c_123,c_161,c_126,c_127,c_133,c_140,c_141,c_147,c_148,c_115,c_128,c_129,c_139,c_142,c_143,c_145,c_152,c_153,c_154,c_167,c_168,c_170,c_173]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : PUZ030-2 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.12/0.37 % Computer : n001.cluster.edu
% 0.12/0.37 % Model : x86_64 x86_64
% 0.12/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.37 % Memory : 8046.5625MB
% 0.12/0.37 % OS : Linux 6.8.0-71-generic
% 0.12/0.37 % CPULimit : 300
% 0.12/0.37 % WCLimit : 300
% 0.12/0.37 % DateTime : Thu Sep 24 06:47:53 UTC 2026
% 0.12/0.37 % CPUTime :
% 0.12/0.37 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.12/0.41 Running first-order theorem proving
% 0.12/0.41 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
% 0.12/0.42
% 0.12/0.42 % ======== iProver multi-core TPTP/SMT =========
% 0.12/0.42
% 0.12/0.42 % Detected problem language: tptp
% 0.12/0.43 % Proving...
% 1.18/1.27 % SZS status Started for theBenchmark.p
% 1.18/1.27 % SZS status Unsatisfiable for theBenchmark.p
% 1.18/1.27
% 1.18/1.27 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 1.18/1.27
% 1.18/1.27 % ------ iProver source info
% 1.18/1.27
% 1.18/1.27 % git: date: 2026-07-19 20:42:38 +0200
% 1.18/1.27 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 1.18/1.27 % git: non_committed_changes: false
% 1.18/1.27
% 1.18/1.27 % ------ Parsing...% successful
% 1.18/1.27
% 1.18/1.27
% 1.18/1.27 % ------ Clausification by vclausify_rel & Parsing by iProver...% ------ preprocesses with Option_epr_non_horn_non_eq
% 1.18/1.27 %
% 1.18/1.27
% 1.18/1.27 % ------ Preprocessing...%
% 1.18/1.27
% 1.18/1.27 % SZS status Unsatisfiable for theBenchmark.p
% 1.18/1.27
% 1.18/1.27 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.18/1.28
% 1.18/1.28
%------------------------------------------------------------------------------