%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : MSC002-2 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% Computer : n003.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 02:13:56 PM UTC 2026
% Result : Unsatisfiable 1.74s 1.26s
% Output : CNFRefutation 1.74s
% Verified :
% SZS Type : Refutation
% Derivation depth : 10
% Number of leaves : 10
% Syntax : Number of formulae : 35 ( 7 unt; 0 def)
% Number of atoms : 73 ( 0 equ)
% Maximal formula atoms : 3 ( 2 avg)
% Number of connectives : 86 ( 48 ~; 38 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 9 ( 5 avg)
% Maximal term depth : 4 ( 1 avg)
% Number of types : 1 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 7 ( 6 usr; 1 prp; 0-3 aty)
% Number of functors : 7 ( 7 usr; 4 con; 0-2 aty)
% Number of variables : 77 ( 0 sgn 77 !; 0 ?; 53 :)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
at(something,here,now),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',something_is_here_now) ).
fof(f2,axiom,
! [X0,X1] : ~ held(X0,let_go(X1)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',cant_hold_and_let_go) ).
fof(f3,axiom,
! [X0,X1] :
( red(X0)
| ~ at(X0,here,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',everything_is_red) ).
fof(f4,axiom,
! [X2,X0,X1] :
( at(X0,X1,let_go(X2))
| ~ at(X0,X1,X2) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',situation_let_go) ).
fof(f5,axiom,
! [X2,X0,X1] :
( at(X0,X1,pick_up(X2))
| ~ at(X0,X1,X2) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',situation_pick_up) ).
fof(f6,axiom,
! [X2,X0,X1] :
( grabbed(X0,pick_up(go(X1,let_go(X2))))
| ~ at(X0,X1,X2) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',can_grab_if_previously_let_go) ).
fof(f7,axiom,
! [X0,X1] :
( answer(X1)
| ~ put(X0,there,X1)
| ~ red(X0) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',answer_if_red_and_put_there) ).
fof(f8,axiom,
! [X2,X3,X0,X1] :
( put(X0,X3,go(X3,X2))
| ~ grabbed(X0,X2)
| ~ at(X0,X1,X2) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',can_put_somewhere_if_grab_and_go_there) ).
fof(f9,axiom,
! [X2,X3,X0,X1] :
( at(X0,X2,go(X3,X1))
| ~ at(X0,X2,X1)
| held(X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',thing_either_held_or_went_there) ).
fof(f10,negated_conjecture,
! [X0] : ~ answer(X0),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_there_is_an_answer_situation) ).
tcf(c_59,plain,
at(something,here,now),
inference(cnf_transformation,[],[f1]) ).
tcf(c_60,plain,
! [X0: $i,X1: $i] : ~ held(X0,let_go(X1)),
inference(cnf_transformation,[],[f2]) ).
tcf(c_61,plain,
! [X0: $i,X1: $i] :
( red(X0)
| ~ at(X0,here,X1) ),
inference(cnf_transformation,[],[f3]) ).
tcf(c_62,plain,
! [X0: $i,X1: $i,X2: $i] :
( at(X0,X1,let_go(X2))
| ~ at(X0,X1,X2) ),
inference(cnf_transformation,[],[f4]) ).
tcf(c_63,plain,
! [X0: $i,X1: $i,X2: $i] :
( at(X0,X1,pick_up(X2))
| ~ at(X0,X1,X2) ),
inference(cnf_transformation,[],[f5]) ).
tcf(c_64,plain,
! [X0: $i,X1: $i,X2: $i] :
( grabbed(X0,pick_up(go(X1,let_go(X2))))
| ~ at(X0,X1,X2) ),
inference(cnf_transformation,[],[f6]) ).
tcf(c_65,plain,
! [X0: $i,X1: $i] :
( answer(X1)
| ~ red(X0)
| ~ put(X0,there,X1) ),
inference(cnf_transformation,[],[f7]) ).
tcf(c_66,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] :
( put(X0,X3,go(X3,X2))
| ~ grabbed(X0,X2)
| ~ at(X0,X1,X2) ),
inference(cnf_transformation,[],[f8]) ).
tcf(c_67,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] :
( held(X0,X2)
| at(X0,X1,go(X3,X2))
| ~ at(X0,X1,X2) ),
inference(cnf_transformation,[],[f9]) ).
tcf(c_68,negated_conjecture,
! [X0: $i] : ~ answer(X0),
inference(cnf_transformation,[],[f10]) ).
tcf(c_80,plain,
! [X0: $i,X1: $i] :
( ~ red(X0)
| ~ put(X0,there,X1) ),
inference(backward_subsumption_resolution,[status(thm)],[c_65,c_68]) ).
tcf(c_118,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] :
( at(X0,X1,go(X3,let_go(X2)))
| ~ at(X0,X1,let_go(X2)) ),
inference(resolution,[status(thm)],[c_60,c_67]) ).
tcf(c_128,plain,
! [X0: $i,X1: $i,X2: $i] :
( ~ put(X0,there,X2)
| ~ at(X0,here,X1) ),
inference(resolution,[status(thm)],[c_61,c_80]) ).
tcf(c_152,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] :
( ~ grabbed(X0,X2)
| ~ at(X0,here,X3)
| ~ at(X0,X1,X2) ),
inference(resolution,[status(thm)],[c_66,c_128]) ).
tcf(c_166,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i] :
( ~ at(X0,here,X4)
| ~ at(X0,X2,X3)
| ~ at(X0,X1,pick_up(go(X2,let_go(X3)))) ),
inference(resolution,[status(thm)],[c_64,c_152]) ).
tcf(c_200,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i] :
( ~ at(X0,here,X4)
| ~ at(X0,X2,X3)
| ~ at(X0,X1,pick_up(go(X2,let_go(X3)))) ),
inference(demodulation,[status(thm)],[c_166]) ).
tcf(c_201,plain,
( at(something,here,let_go(now))
| ~ at(something,here,now) ),
inference(instantiation,[status(thm)],[c_62]) ).
tcf(c_203,plain,
! [X0: $i,X1: $i,X2: $i] :
( ~ at(something,here,now)
| ~ at(something,X1,X2)
| ~ at(something,X0,pick_up(go(X1,let_go(X2)))) ),
inference(instantiation,[status(thm)],[c_200]) ).
tcf(c_207,plain,
! [X0: $i] :
( at(something,here,go(X0,let_go(now)))
| ~ at(something,here,let_go(now)) ),
inference(instantiation,[status(thm)],[c_118]) ).
tcf(c_208,plain,
( at(something,here,go(here,let_go(now)))
| ~ at(something,here,let_go(now)) ),
inference(instantiation,[status(thm)],[c_207]) ).
tcf(c_215,plain,
! [X0: $i] :
( ~ at(something,here,now)
| ~ at(something,X0,pick_up(go(here,let_go(now)))) ),
inference(instantiation,[status(thm)],[c_203]) ).
tcf(c_216,plain,
( ~ at(something,here,now)
| ~ at(something,here,pick_up(go(here,let_go(now)))) ),
inference(instantiation,[status(thm)],[c_215]) ).
tcf(c_330,plain,
! [X0: $i] :
( at(something,here,pick_up(go(X0,let_go(now))))
| ~ at(something,here,go(X0,let_go(now))) ),
inference(instantiation,[status(thm)],[c_63]) ).
tcf(c_333,plain,
( at(something,here,pick_up(go(here,let_go(now))))
| ~ at(something,here,go(here,let_go(now))) ),
inference(instantiation,[status(thm)],[c_330]) ).
tcf(c_334,plain,
$false,
inference(prop_impl_just,[status(thm)],[c_333,c_216,c_208,c_201,c_59]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : MSC002-2 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.11/0.36 % Computer : n003.cluster.edu
% 0.11/0.36 % Model : x86_64 x86_64
% 0.11/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.36 % Memory : 8046.5625MB
% 0.11/0.36 % OS : Linux 6.8.0-71-generic
% 0.11/0.36 % CPULimit : 300
% 0.11/0.36 % WCLimit : 300
% 0.11/0.36 % DateTime : Thu Sep 24 01:27:21 UTC 2026
% 0.11/0.37 % CPUTime :
% 0.11/0.37 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.11/0.40 Running first-order theorem proving
% 0.11/0.40 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
% 0.11/0.41
% 0.11/0.41 % ======== iProver multi-core TPTP/SMT =========
% 0.11/0.41
% 0.11/0.41 % Detected problem language: tptp
% 0.11/0.43 % Proving...
% 1.74/1.26 % SZS status Started for theBenchmark.p
% 1.74/1.26 % SZS status Unsatisfiable for theBenchmark.p
% 1.74/1.26
% 1.74/1.26 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 1.74/1.26
% 1.74/1.26 % ------ iProver source info
% 1.74/1.26
% 1.74/1.26 % git: date: 2026-07-19 20:42:38 +0200
% 1.74/1.26 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 1.74/1.26 % git: non_committed_changes: false
% 1.74/1.26
% 1.74/1.26 % ------ Parsing...% successful
% 1.74/1.26
% 1.74/1.26
% 1.74/1.26 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 1.74/1.26
% 1.74/1.26 % ------ Preprocessing... sf_s rm: 1 0s sf_e pe_s pe:1:0s pe:2:0s pe:4:0s pe_e sf_s rm: 0 0s sf_e pe_s pe_e %
% 1.74/1.26
% 1.74/1.26 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e
% 1.74/1.26 % ------ Proving...
% 1.74/1.26 % ------ Problem Properties
% 1.74/1.26
% 1.74/1.26 %
% 1.74/1.26 % clauses 5
% 1.74/1.26 % conjectures 0
% 1.74/1.26 % EPR 1
% 1.74/1.26 % Horn 5
% 1.74/1.26 % unary 1
% 1.74/1.26 % binary 3
% 1.74/1.26 % lits 10
% 1.74/1.26 % lits eq 0
% 1.74/1.26 % fd_pure 0
% 1.74/1.26 % fd_pseudo 0
% 1.74/1.26 % fd_cond 0
% 1.74/1.26 % fd_pseudo_cond 0
% 1.74/1.26 % AC symbols 0
% 1.74/1.26
% 1.74/1.26 % ------ Schedule dynamic 5 is on
% 1.74/1.26
% 1.74/1.26 % ------ no conjectures: strip conj schedule
% 1.74/1.26
% 1.74/1.26 % ------ no equalities: superposition off
% 1.74/1.26
% 1.74/1.26 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" stripped conjectures Time Limit: 10.
% 1.74/1.26
% 1.74/1.26
% 1.74/1.26 % ------
% 1.74/1.26 % Current options:
% 1.74/1.26 % ------
% 1.74/1.26
% 1.74/1.26
% 1.74/1.26 %
% 1.74/1.26
% 1.74/1.26 % ------ Proving...
% 1.74/1.26 %
% 1.74/1.26
% 1.74/1.26 % SZS status Unsatisfiable for theBenchmark.p
% 1.74/1.26
% 1.74/1.26 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.74/1.27
% 1.74/1.27
%------------------------------------------------------------------------------