%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : MSC001-1 : 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 : n005.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 02:13:55 PM UTC 2026
% Result : Unsatisfiable 4.21s 1.33s
% Output : CNFRefutation 4.21s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 11
% Syntax : Number of formulae : 35 ( 11 unt; 0 def)
% Number of atoms : 70 ( 0 equ)
% Maximal formula atoms : 3 ( 2 avg)
% Number of connectives : 74 ( 39 ~; 35 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 5 avg)
% Maximal term depth : 5 ( 2 avg)
% Number of types : 1 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 5 ( 4 usr; 1 prp; 0-3 aty)
% Number of functors : 10 ( 10 usr; 6 con; 0-2 aty)
% Number of variables : 73 ( 0 sgn 73 !; 0 ?; 48 :)
% Comments :
%------------------------------------------------------------------------------
fof(f2,axiom,
! [X0,X1] : ~ hold(thing(X0),do(let_go,X1)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_2) ).
fof(f4,axiom,
! [X0,X1] : at(hand,X0,do(go(X0),X1)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_5) ).
fof(f6,axiom,
! [X2,X0,X1] :
( hold(thing(X0),X2)
| at(thing(X0),X1,X2)
| ~ at(thing(X0),X1,do(go(X1),X2)) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_7) ).
fof(f7,axiom,
! [X2,X0,X1] :
( hold(thing(taken(X1)),do(pick_up,X1))
| ~ at(thing(X2),X0,X1)
| ~ at(hand,X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_8) ).
fof(f8,axiom,
! [X2,X0,X1] :
( at(thing(X0),X2,X1)
| ~ at(hand,X2,X1)
| ~ hold(thing(X0),X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_9) ).
fof(f10,axiom,
! [X0,X1] :
( answer(X1)
| ~ at(X0,there,X1)
| ~ red(X0) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_11) ).
fof(f12,axiom,
! [X2,X0,X1] :
( hold(thing(X0),do(go(X2),X1))
| ~ hold(thing(X0),X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_13) ).
fof(f13,axiom,
! [X0,X1] :
( at(thing(taken(X1)),X0,X1)
| ~ at(hand,X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_14) ).
fof(f16,axiom,
! [X2,X0,X1] :
( at(X0,X1,X2)
| ~ at(X0,X1,do(let_go,X2)) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_17) ).
fof(f17,axiom,
! [X0] :
( red(X0)
| ~ at(X0,here,now) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',things_here_now_are_red) ).
fof(f18,negated_conjecture,
! [X0] : ~ answer(X0),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_there_is_a_red_thing) ).
tcf(c_68,plain,
! [X0: $i,X1: $i] : ~ hold(thing(X0),do(let_go,X1)),
inference(cnf_transformation,[],[f2]) ).
tcf(c_70,plain,
! [X0: $i,X1: $i] : at(hand,X0,do(go(X0),X1)),
inference(cnf_transformation,[],[f4]) ).
tcf(c_72,plain,
! [X0: $i,X1: $i,X2: $i] :
( hold(thing(X0),X2)
| at(thing(X0),X1,X2)
| ~ at(thing(X0),X1,do(go(X1),X2)) ),
inference(cnf_transformation,[],[f6]) ).
tcf(c_73,plain,
! [X0: $i,X1: $i,X2: $i] :
( hold(thing(taken(X2)),do(pick_up,X2))
| ~ at(hand,X1,X2)
| ~ at(thing(X0),X1,X2) ),
inference(cnf_transformation,[],[f7]) ).
tcf(c_74,plain,
! [X0: $i,X1: $i,X2: $i] :
( at(thing(X2),X0,X1)
| ~ hold(thing(X2),X1)
| ~ at(hand,X0,X1) ),
inference(cnf_transformation,[],[f8]) ).
tcf(c_76,plain,
! [X0: $i,X1: $i] :
( answer(X1)
| ~ red(X0)
| ~ at(X0,there,X1) ),
inference(cnf_transformation,[],[f10]) ).
tcf(c_78,plain,
! [X0: $i,X1: $i,X2: $i] :
( hold(thing(X0),do(go(X2),X1))
| ~ hold(thing(X0),X1) ),
inference(cnf_transformation,[],[f12]) ).
tcf(c_79,plain,
! [X0: $i,X1: $i] :
( at(thing(taken(X1)),X0,X1)
| ~ at(hand,X0,X1) ),
inference(cnf_transformation,[],[f13]) ).
tcf(c_82,plain,
! [X0: $i,X1: $i,X2: $i] :
( at(X0,X1,X2)
| ~ at(X0,X1,do(let_go,X2)) ),
inference(cnf_transformation,[],[f16]) ).
tcf(c_83,plain,
! [X0: $i] :
( red(X0)
| ~ at(X0,here,now) ),
inference(cnf_transformation,[],[f17]) ).
tcf(c_84,negated_conjecture,
! [X0: $i] : ~ answer(X0),
inference(cnf_transformation,[],[f18]) ).
tcf(c_106,plain,
! [X0: $i,X1: $i] :
( ~ red(X0)
| ~ at(X0,there,X1) ),
inference(forward_subsumption_resolution,[status(thm)],[c_76,c_84]) ).
tcf(c_179,plain,
! [X0: $i,X1: $i] :
( ~ red(thing(X0))
| ~ at(hand,there,X1)
| ~ hold(thing(X0),X1) ),
inference(superposition,[status(thm)],[c_74,c_106]) ).
tcf(c_195,plain,
! [X0: $i,X1: $i] :
( hold(thing(taken(X1)),do(pick_up,X1))
| ~ at(hand,X0,X1) ),
inference(superposition,[status(thm)],[c_79,c_73]) ).
tcf(c_232,plain,
! [X0: $i,X1: $i] :
( hold(thing(taken(do(go(X0),X1))),X1)
| at(thing(taken(do(go(X0),X1))),X0,X1)
| ~ at(hand,X0,do(go(X0),X1)) ),
inference(superposition,[status(thm)],[c_79,c_72]) ).
tcf(c_372,plain,
! [X0: $i,X1: $i,X2: $i] :
( ~ red(thing(X2))
| ~ hold(thing(X2),X1)
| ~ at(hand,there,do(go(X0),X1)) ),
inference(superposition,[status(thm)],[c_78,c_179]) ).
tcf(c_407,plain,
! [X0: $i,X1: $i] : hold(thing(taken(do(go(X0),X1))),do(pick_up,do(go(X0),X1))),
inference(superposition,[status(thm)],[c_70,c_195]) ).
tcf(c_439,plain,
! [X0: $i,X1: $i] :
( hold(thing(taken(do(go(X0),X1))),X1)
| at(thing(taken(do(go(X0),X1))),X0,X1) ),
inference(global_subsumption_just,[status(thm)],[c_232,c_70,c_232]) ).
tcf(c_450,plain,
! [X0: $i,X1: $i] :
( at(thing(taken(do(go(X0),do(let_go,X1)))),X0,X1)
| hold(thing(taken(do(go(X0),do(let_go,X1)))),do(let_go,X1)) ),
inference(superposition,[status(thm)],[c_439,c_82]) ).
tcf(c_781,plain,
! [X0: $i,X1: $i] :
( ~ red(thing(X0))
| ~ hold(thing(X0),X1) ),
inference(superposition,[status(thm)],[c_70,c_372]) ).
tcf(c_873,plain,
! [X0: $i,X1: $i] : at(thing(taken(do(go(X0),do(let_go,X1)))),X0,X1),
inference(forward_subsumption_resolution,[status(thm)],[c_450,c_68]) ).
tcf(c_879,plain,
red(thing(taken(do(go(here),do(let_go,now))))),
inference(superposition,[status(thm)],[c_873,c_83]) ).
tcf(c_1773,plain,
! [X0: $i,X1: $i] : ~ red(thing(taken(do(go(X0),X1)))),
inference(superposition,[status(thm)],[c_407,c_781]) ).
tcf(c_4362,plain,
$false,
inference(superposition,[status(thm)],[c_879,c_1773]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : MSC001-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.05 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.12/0.39 % Computer : n005.cluster.edu
% 0.12/0.39 % Model : x86_64 x86_64
% 0.12/0.39 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.39 % Memory : 8046.5625MB
% 0.12/0.39 % OS : Linux 6.8.0-71-generic
% 0.12/0.39 % CPULimit : 300
% 0.12/0.39 % WCLimit : 300
% 0.12/0.39 % DateTime : Thu Sep 24 01:26:03 UTC 2026
% 0.12/0.39 % CPUTime :
% 0.12/0.39 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.12/0.43 Running first-order theorem proving
% 0.12/0.43 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
% 0.12/0.44
% 0.12/0.44 % ======== iProver multi-core TPTP/SMT =========
% 0.12/0.44
% 0.12/0.44 % Detected problem language: tptp
% 0.12/0.46 % Proving...
% 4.21/1.33 % SZS status Started for theBenchmark.p
% 4.21/1.33 % SZS status Unsatisfiable for theBenchmark.p
% 4.21/1.33
% 4.21/1.33 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 4.21/1.33
% 4.21/1.33 % ------ iProver source info
% 4.21/1.33
% 4.21/1.33 % git: date: 2026-07-19 20:42:38 +0200
% 4.21/1.33 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 4.21/1.33 % git: non_committed_changes: false
% 4.21/1.33
% 4.21/1.33 % ------ Parsing...% successful
% 4.21/1.33
% 4.21/1.33
% 4.21/1.33 % ------ Clausification by vclausify_rel & Parsing by iProver...
% 4.21/1.33 % ------ Proving...
% 4.21/1.33 % ------ Problem Properties
% 4.21/1.33
% 4.21/1.33 %
% 4.21/1.33 % clauses 18
% 4.21/1.33 % conjectures 1
% 4.21/1.33 % EPR 5
% 4.21/1.33 % Horn 17
% 4.21/1.33 % unary 5
% 4.21/1.33 % binary 8
% 4.21/1.33 % lits 36
% 4.21/1.33 % lits eq 0
% 4.21/1.33 % fd_pure 0
% 4.21/1.33 % fd_pseudo 0
% 4.21/1.33 % fd_cond 0
% 4.21/1.33 % fd_pseudo_cond 0
% 4.21/1.33 % AC symbols 0
% 4.21/1.33
% 4.21/1.33 % ------ Input Options Time Limit: Unbounded
% 4.21/1.33
% 4.21/1.33
% 4.21/1.33 % ------
% 4.21/1.33 % Current options:
% 4.21/1.33 % ------
% 4.21/1.33
% 4.21/1.33
% 4.21/1.33 %
% 4.21/1.33
% 4.21/1.33 % ------ Proving...
% 4.21/1.33 %
% 4.21/1.33
% 4.21/1.33 % ------ Proving...
% 4.21/1.33 %
% 4.21/1.33
% 4.21/1.33 % ------ Proving...
% 4.21/1.33 %
% 4.21/1.33
% 4.21/1.33 % SZS status Unsatisfiable for theBenchmark.p
% 4.21/1.33
% 4.21/1.33 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 4.21/1.33
% 4.21/1.33
%------------------------------------------------------------------------------