%------------------------------------------------------------------------------
% File : FindProof---0.1
% Problem : MSC001-1 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_findproof /export/starexec/sandbox/benchmark/theBenchmark.p 300
% Computer : n016.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 02:13:25 PM UTC 2026
% Result : Unsatisfiable 30.69s 14.80s
% Output : Proof 30.69s
% Verified :
% SZS Type : Refutation
% Derivation depth : 11
% Number of leaves : 11
% Syntax : Number of formulae : 57 ( 20 unt; 0 def)
% Number of atoms : 110 ( 0 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 108 ( 55 ~; 53 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 3 avg)
% Maximal term depth : 5 ( 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 : 124 ( 14 sgn 50 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
cnf(f6,axiom,
( hold(thing(taken(B)),do(pick_up,B))
| ~ at(thing(C),A,B)
| ~ at(hand,A,B) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_8) ).
fof(f6_nnf,plain,
! [A,B,C] :
( hold(thing(taken(B)),do(pick_up,B))
| ~ at(thing(C),A,B)
| ~ at(hand,A,B) ),
inference(nnf_transformation,[status(thm)],[f6]) ).
fof(f6_sk,plain,
! [A,B,C] :
( hold(thing(taken(B)),do(pick_up,B))
| ~ at(thing(C),A,B)
| ~ at(hand,A,B) ),
inference(skolemisation,[status(esa)],[f6_nnf]) ).
cnf(c6,plain,
( hold(thing(taken(X1)),do(pick_up,X1))
| ~ at(thing(X2),X0,X1)
| ~ at(hand,X0,X1) ),
inference(cnf_transformation,[status(esa)],[f6_sk]) ).
cnf(f3,axiom,
at(hand,A,do(go(A),B)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_5) ).
fof(f3_nnf,plain,
! [A,B] : at(hand,A,do(go(A),B)),
inference(nnf_transformation,[status(thm)],[f3]) ).
fof(f3_sk,plain,
! [A,B] : at(hand,A,do(go(A),B)),
inference(skolemisation,[status(esa)],[f3_nnf]) ).
cnf(c3,plain,
at(hand,X0,do(go(X0),X1)),
inference(cnf_transformation,[status(esa)],[f3_sk]) ).
cnf(p24,plain,
( hold(thing(taken(do(go(X1),X2))),do(pick_up,do(go(X1),X2)))
| ~ at(thing(X0),X1,do(go(X1),X2)) ),
inference(resolution,[status(thm)],[c6,c3]) ).
cnf(f12,axiom,
( at(thing(taken(B)),A,B)
| ~ at(hand,A,B) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_14) ).
fof(f12_nnf,plain,
! [A,B] :
( at(thing(taken(B)),A,B)
| ~ at(hand,A,B) ),
inference(nnf_transformation,[status(thm)],[f12]) ).
fof(f12_sk,plain,
! [A,B] :
( at(thing(taken(B)),A,B)
| ~ at(hand,A,B) ),
inference(skolemisation,[status(esa)],[f12_nnf]) ).
cnf(c12,plain,
( at(thing(taken(X1)),X0,X1)
| ~ at(hand,X0,X1) ),
inference(cnf_transformation,[status(esa)],[f12_sk]) ).
cnf(p21,plain,
at(thing(taken(do(go(X0),X1))),X0,do(go(X0),X1)),
inference(resolution,[status(thm)],[c12,c3]) ).
cnf(p108,plain,
hold(thing(taken(do(go(X0),X1))),do(pick_up,do(go(X0),X1))),
inference(resolution,[status(thm)],[p24,p21]) ).
cnf(f11,axiom,
( hold(thing(A),do(go(C),B))
| ~ hold(thing(A),B) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_13) ).
fof(f11_nnf,plain,
! [A,B,C] :
( hold(thing(A),do(go(C),B))
| ~ hold(thing(A),B) ),
inference(nnf_transformation,[status(thm)],[f11]) ).
fof(f11_sk,plain,
! [A,B,C] :
( hold(thing(A),do(go(C),B))
| ~ hold(thing(A),B) ),
inference(skolemisation,[status(esa)],[f11_nnf]) ).
cnf(c11,plain,
( hold(thing(X0),do(go(X2),X1))
| ~ hold(thing(X0),X1) ),
inference(cnf_transformation,[status(esa)],[f11_sk]) ).
cnf(p257,plain,
hold(thing(taken(do(go(X0),X1))),do(go(X2),do(pick_up,do(go(X0),X1)))),
inference(resolution,[status(thm)],[p108,c11]) ).
cnf(f7,axiom,
( at(thing(A),C,B)
| ~ at(hand,C,B)
| ~ hold(thing(A),B) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_9) ).
fof(f7_nnf,plain,
! [A,B,C] :
( at(thing(A),C,B)
| ~ at(hand,C,B)
| ~ hold(thing(A),B) ),
inference(nnf_transformation,[status(thm)],[f7]) ).
fof(f7_sk,plain,
! [A,B,C] :
( at(thing(A),C,B)
| ~ at(hand,C,B)
| ~ hold(thing(A),B) ),
inference(skolemisation,[status(esa)],[f7_nnf]) ).
cnf(c7,plain,
( at(thing(X0),X2,X1)
| ~ at(hand,X2,X1)
| ~ hold(thing(X0),X1) ),
inference(cnf_transformation,[status(esa)],[f7_sk]) ).
cnf(p790,plain,
( at(thing(taken(do(go(X2),X3))),X0,do(go(X1),do(pick_up,do(go(X2),X3))))
| ~ at(hand,X0,do(go(X1),do(pick_up,do(go(X2),X3)))) ),
inference(resolution,[status(thm)],[p257,c7]) ).
cnf(p3125,plain,
at(thing(taken(do(go(X0),X1))),X2,do(go(X2),do(pick_up,do(go(X0),X1)))),
inference(resolution,[status(thm)],[p790,c3]) ).
cnf(f5,axiom,
( hold(thing(A),C)
| at(thing(A),B,C)
| ~ at(thing(A),B,do(go(B),C)) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_7) ).
fof(f5_nnf,plain,
! [A,B,C] :
( hold(thing(A),C)
| at(thing(A),B,C)
| ~ at(thing(A),B,do(go(B),C)) ),
inference(nnf_transformation,[status(thm)],[f5]) ).
fof(f5_sk,plain,
! [A,B,C] :
( hold(thing(A),C)
| at(thing(A),B,C)
| ~ at(thing(A),B,do(go(B),C)) ),
inference(skolemisation,[status(esa)],[f5_nnf]) ).
cnf(c5,plain,
( hold(thing(X0),X2)
| at(thing(X0),X1,X2)
| ~ at(thing(X0),X1,do(go(X1),X2)) ),
inference(cnf_transformation,[status(esa)],[f5_sk]) ).
cnf(p85,plain,
( hold(thing(taken(do(go(X0),X1))),X1)
| at(thing(taken(do(go(X0),X1))),X0,X1) ),
inference(resolution,[status(thm)],[p21,c5]) ).
cnf(f15,axiom,
( at(A,B,C)
| ~ at(A,B,do(let_go,C)) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_17) ).
fof(f15_nnf,plain,
! [A,B,C] :
( at(A,B,C)
| ~ at(A,B,do(let_go,C)) ),
inference(nnf_transformation,[status(thm)],[f15]) ).
fof(f15_sk,plain,
! [A,B,C] :
( at(A,B,C)
| ~ at(A,B,do(let_go,C)) ),
inference(skolemisation,[status(esa)],[f15_nnf]) ).
cnf(c15,plain,
( at(X0,X1,X2)
| ~ at(X0,X1,do(let_go,X2)) ),
inference(cnf_transformation,[status(esa)],[f15_sk]) ).
cnf(p294,plain,
( 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)],[p85,c15]) ).
cnf(f1,axiom,
~ hold(thing(A),do(let_go,B)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_2) ).
fof(f1_nnf,plain,
! [A,B] : ~ hold(thing(A),do(let_go,B)),
inference(nnf_transformation,[status(thm)],[f1]) ).
fof(f1_sk,plain,
! [A,B] : ~ hold(thing(A),do(let_go,B)),
inference(skolemisation,[status(esa)],[f1_nnf]) ).
cnf(c1,plain,
~ hold(thing(X0),do(let_go,X1)),
inference(cnf_transformation,[status(esa)],[f1_sk]) ).
cnf(p1113,plain,
at(thing(taken(do(go(X0),do(let_go,X1)))),X0,X1),
inference(resolution,[status(thm)],[p294,c1]) ).
cnf(f16,hypothesis,
( red(A)
| ~ at(A,here,now) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',things_here_now_are_red) ).
fof(f16_nnf,plain,
! [A] :
( red(A)
| ~ at(A,here,now) ),
inference(nnf_transformation,[status(thm)],[f16]) ).
fof(f16_sk,plain,
! [A] :
( red(A)
| ~ at(A,here,now) ),
inference(skolemisation,[status(esa)],[f16_nnf]) ).
cnf(c16,plain,
( red(X0)
| ~ at(X0,here,now) ),
inference(cnf_transformation,[status(esa)],[f16_sk]) ).
cnf(p1115,plain,
red(thing(taken(do(go(here),do(let_go,now))))),
inference(resolution,[status(thm)],[p1113,c16]) ).
cnf(f9,axiom,
( answer(B)
| ~ at(A,there,B)
| ~ red(A) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_11) ).
fof(f9_nnf,plain,
! [A,B] :
( answer(B)
| ~ at(A,there,B)
| ~ red(A) ),
inference(nnf_transformation,[status(thm)],[f9]) ).
fof(f9_sk,plain,
! [A,B] :
( answer(B)
| ~ at(A,there,B)
| ~ red(A) ),
inference(skolemisation,[status(esa)],[f9_nnf]) ).
cnf(c9,plain,
( answer(X1)
| ~ at(X0,there,X1)
| ~ red(X0) ),
inference(cnf_transformation,[status(esa)],[f9_sk]) ).
cnf(p1121,plain,
( answer(X0)
| ~ at(thing(taken(do(go(here),do(let_go,now)))),there,X0) ),
inference(resolution,[status(thm)],[p1115,c9]) ).
cnf(p3130,plain,
answer(do(go(there),do(pick_up,do(go(here),do(let_go,now))))),
inference(resolution,[status(thm)],[p3125,p1121]) ).
cnf(f17,negated_conjecture,
~ answer(A),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_there_is_a_red_thing) ).
fof(f17_nnf,plain,
! [A] : ~ answer(A),
inference(nnf_transformation,[status(thm)],[f17]) ).
fof(f17_sk,plain,
! [A] : ~ answer(A),
inference(skolemisation,[status(esa)],[f17_nnf]) ).
cnf(c17,plain,
~ answer(X0),
inference(cnf_transformation,[status(esa)],[f17_sk]) ).
cnf(p3133,plain,
$false,
inference(resolution,[status(thm)],[p3130,c17]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : MSC001-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.04 % Command : run_findproof /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.10/10.38 % Computer : n016.cluster.edu
% 0.10/10.38 % Model : x86_64 x86_64
% 0.10/10.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/10.38 % Memory : 8046.5625MB
% 0.10/10.38 % OS : Linux 6.8.0-71-generic
% 0.10/10.38 % CPULimit : 300
% 0.10/10.38 % WCLimit : 300
% 0.10/10.38 % DateTime : Thu Sep 24 01:31:07 UTC 2026
% 0.10/10.38 % CPUTime :
% 0.10/10.38 Running run_findproof /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 30.69/14.80 % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 30.69/14.80 % SZS output start Proof for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
%------------------------------------------------------------------------------