%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : MSC001-1 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n012.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 : Thu Sep 24 01:28:13 PM UTC 2026
% Result : Unsatisfiable 0.07s 0.33s
% Output : CNFRefutation 0.07s
% Verified :
% SZS Type : Refutation
% Derivation depth : 9
% Number of leaves : 12
% Syntax : Number of formulae : 46 ( 13 unt; 0 def)
% Number of atoms : 92 ( 0 equ)
% Maximal formula atoms : 3 ( 2 avg)
% Number of connectives : 94 ( 48 ~; 46 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 8 ( 5 avg)
% Maximal term depth : 7 ( 2 avg)
% 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 : 104 ( 104 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f2,axiom,
! [A,B] : ~ hold(thing(A),do(let_go,B)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f4,axiom,
! [A,B] : at(hand,A,do(go(A),B)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f6,axiom,
! [A,B,C] :
( hold(thing(A),C)
| at(thing(A),B,C)
| ~ at(thing(A),B,do(go(B),C)) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f7,axiom,
! [A,B,C] :
( hold(thing(taken(B)),do(pick_up,B))
| ~ at(thing(C),A,B)
| ~ at(hand,A,B) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f8,axiom,
! [A,B,C] :
( at(thing(A),C,B)
| ~ at(hand,C,B)
| ~ hold(thing(A),B) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f10,axiom,
! [A,B] :
( answer(B)
| ~ at(A,there,B)
| ~ red(A) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f12,axiom,
! [A,B,C] :
( hold(thing(A),do(go(C),B))
| ~ hold(thing(A),B) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f13,axiom,
! [A,B] :
( at(thing(taken(B)),A,B)
| ~ at(hand,A,B) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f15,axiom,
! [A,B,C] :
( at(A,B,do(let_go,C))
| ~ at(A,B,C) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f16,axiom,
! [A,B,C] :
( at(A,B,C)
| ~ at(A,B,do(let_go,C)) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f17,hypothesis,
! [A] :
( red(A)
| ~ at(A,here,now) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f18,negated_conjecture,
! [A] : ~ answer(A),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f20,plain,
! [X0,X1] : ~ hold(thing(X0),do(let_go,X1)),
inference(cnf_transformation,[status(thm)],[f2]) ).
fof(f22,plain,
! [X0,X1] : at(hand,X0,do(go(X0),X1)),
inference(cnf_transformation,[status(thm)],[f4]) ).
fof(f24,plain,
! [A,C] :
( hold(thing(A),C)
| ! [B] :
( at(thing(A),B,C)
| ~ at(thing(A),B,do(go(B),C)) ) ),
inference(miniscoping,[status(thm)],[f6]) ).
fof(f25,plain,
! [X0,X1,X2] :
( hold(thing(X0),X2)
| at(thing(X0),X1,X2)
| ~ at(thing(X0),X1,do(go(X1),X2)) ),
inference(cnf_transformation,[status(thm)],[f24]) ).
fof(f26,plain,
! [B] :
( hold(thing(taken(B)),do(pick_up,B))
| ! [A] :
( ! [C] : ~ at(thing(C),A,B)
| ~ at(hand,A,B) ) ),
inference(miniscoping,[status(thm)],[f7]) ).
fof(f27,plain,
! [X0,X1,X2] :
( hold(thing(taken(X1)),do(pick_up,X1))
| ~ at(thing(X2),X0,X1)
| ~ at(hand,X0,X1) ),
inference(cnf_transformation,[status(thm)],[f26]) ).
fof(f28,plain,
! [X0,X1,X2] :
( at(thing(X0),X2,X1)
| ~ at(hand,X2,X1)
| ~ hold(thing(X0),X1) ),
inference(cnf_transformation,[status(thm)],[f8]) ).
fof(f31,plain,
! [B] :
( answer(B)
| ! [A] :
( ~ at(A,there,B)
| ~ red(A) ) ),
inference(miniscoping,[status(thm)],[f10]) ).
fof(f32,plain,
! [X0,X1] :
( answer(X1)
| ~ at(X0,there,X1)
| ~ red(X0) ),
inference(cnf_transformation,[status(thm)],[f31]) ).
fof(f34,plain,
! [A,B] :
( ! [C] : hold(thing(A),do(go(C),B))
| ~ hold(thing(A),B) ),
inference(miniscoping,[status(thm)],[f12]) ).
fof(f35,plain,
! [X0,X1,X2] :
( hold(thing(X0),do(go(X2),X1))
| ~ hold(thing(X0),X1) ),
inference(cnf_transformation,[status(thm)],[f34]) ).
fof(f36,plain,
! [X0,X1] :
( at(thing(taken(X1)),X0,X1)
| ~ at(hand,X0,X1) ),
inference(cnf_transformation,[status(thm)],[f13]) ).
fof(f38,plain,
! [X0,X1,X2] :
( at(X0,X1,do(let_go,X2))
| ~ at(X0,X1,X2) ),
inference(cnf_transformation,[status(thm)],[f15]) ).
fof(f39,plain,
! [X0,X1,X2] :
( at(X0,X1,X2)
| ~ at(X0,X1,do(let_go,X2)) ),
inference(cnf_transformation,[status(thm)],[f16]) ).
fof(f40,plain,
! [X0] :
( red(X0)
| ~ at(X0,here,now) ),
inference(cnf_transformation,[status(thm)],[f17]) ).
fof(f41,plain,
! [X0] : ~ answer(X0),
inference(cnf_transformation,[status(thm)],[f18]) ).
fof(f42,plain,
! [X0,X1] :
( ~ at(X0,there,X1)
| ~ red(X0) ),
inference(forward_subsumption_resolution,[status(thm)],[f32,f41]) ).
fof(f52,plain,
! [X0,X1] : at(thing(taken(do(go(X0),X1))),X0,do(go(X0),X1)),
inference(resolution,[status(thm)],[f36,f22]) ).
fof(f53,plain,
! [X0,X1] :
( ~ at(hand,X1,X0)
| at(thing(taken(do(let_go,X0))),X1,do(let_go,X0)) ),
inference(resolution,[status(thm)],[f36,f38]) ).
fof(f57,plain,
! [X0,X1,X2,X3] :
( ~ hold(thing(X3),X2)
| at(thing(X3),X0,do(go(X1),X2))
| ~ at(hand,X0,do(go(X1),X2)) ),
inference(resolution,[status(thm)],[f28,f35]) ).
fof(f64,plain,
! [X0,X1] :
( hold(thing(taken(do(go(X0),X1))),X1)
| at(thing(taken(do(go(X0),X1))),X0,X1) ),
inference(resolution,[status(thm)],[f52,f25]) ).
fof(f68,plain,
! [X0,X1] :
( at(thing(taken(do(let_go,X1))),X0,X1)
| ~ at(hand,X0,X1) ),
inference(resolution,[status(thm)],[f53,f39]) ).
fof(f70,plain,
! [X0,X1] :
( ~ at(hand,X1,X0)
| at(thing(taken(do(let_go,do(let_go,X0)))),X1,do(let_go,X0)) ),
inference(resolution,[status(thm)],[f68,f38]) ).
fof(f84,plain,
! [X0,X1,X2] :
( ~ hold(thing(X0),X2)
| at(thing(X0),X1,do(go(X1),X2)) ),
inference(resolution,[status(thm)],[f57,f22]) ).
fof(f86,plain,
! [X0,X1,X2,X3] :
( ~ at(thing(X3),X2,X0)
| ~ at(hand,X2,X0)
| at(thing(taken(X0)),X1,do(go(X1),do(pick_up,X0))) ),
inference(resolution,[status(thm)],[f84,f27]) ).
fof(f107,plain,
! [X0,X1] :
( 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(resolution,[status(thm)],[f64,f39]) ).
fof(f117,plain,
! [X0,X1] : at(thing(taken(do(go(X0),do(let_go,X1)))),X0,X1),
inference(forward_subsumption_resolution,[status(thm)],[f107,f20]) ).
fof(f127,plain,
red(thing(taken(do(go(here),do(let_go,now))))),
inference(resolution,[status(thm)],[f117,f40]) ).
fof(f130,plain,
! [X0] : ~ at(thing(taken(do(go(here),do(let_go,now)))),there,X0),
inference(resolution,[status(thm)],[f127,f42]) ).
fof(f186,plain,
! [X0,X1] :
( at(thing(taken(do(let_go,do(let_go,X1)))),X0,X1)
| ~ at(hand,X0,X1) ),
inference(resolution,[status(thm)],[f70,f39]) ).
fof(f187,plain,
! [X0,X1] : at(thing(taken(do(let_go,do(let_go,do(go(X0),X1))))),X0,do(go(X0),X1)),
inference(resolution,[status(thm)],[f186,f22]) ).
fof(f249,plain,
! [X0,X1,X2,X3] :
( ~ at(thing(X3),X0,do(go(X0),X1))
| at(thing(taken(do(go(X0),X1))),X2,do(go(X2),do(pick_up,do(go(X0),X1)))) ),
inference(resolution,[status(thm)],[f86,f22]) ).
fof(f521,plain,
! [X0] : ~ at(thing(X0),here,do(go(here),do(let_go,now))),
inference(resolution,[status(thm)],[f249,f130]) ).
fof(f526,plain,
$false,
inference(resolution,[status(thm)],[f521,f187]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.01 % Problem : MSC001-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.02 % Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.04/0.29 % Computer : n012.cluster.edu
% 0.04/0.29 % Model : x86_64 x86_64
% 0.04/0.29 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.04/0.29 % Memory : 8046.5625MB
% 0.04/0.29 % OS : Linux 6.8.0-71-generic
% 0.04/0.29 % CPULimit : 300
% 0.04/0.29 % WCLimit : 300
% 0.04/0.29 % DateTime : Mon Sep 21 01:26:36 UTC 2026
% 0.04/0.30 % CPUTime :
% 0.04/0.30 % Drodi V4.1.1
% 0.07/0.33 % Refutation found
% 0.07/0.33 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.07/0.33 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.07/0.34 % Elapsed time: 0.037864 seconds
% 0.07/0.34 % CPU time: 0.122383 seconds
% 0.07/0.34 % Total memory used: 19.786 MB
% 0.07/0.34 % Net memory used: 19.279 MB
%------------------------------------------------------------------------------