%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : MSC001-1 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 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 : Tue Sep 29 12:05:43 PM UTC 2026
% Result : Unsatisfiable 0.12s 0.46s
% Output : Refutation 0.12s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 11
% Syntax : Number of formulae : 25 ( 8 unt; 0 def)
% Number of atoms : 50 ( 0 equ)
% Maximal formula atoms : 3 ( 2 avg)
% Number of connectives : 53 ( 28 ~; 25 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 5 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 : 50 ( 50 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f2,axiom,
! [X0,X1] : ~ hold(thing(X0),do(let_go,X1)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause_2) ).
fof(f4,axiom,
! [X0,X1] : at(hand,X0,do(go(X0),X1)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause_5) ).
fof(f6,axiom,
! [X2,X0,X1] :
( ~ at(thing(X0),X1,do(go(X1),X2))
| at(thing(X0),X1,X2)
| hold(thing(X0),X2) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause_7) ).
fof(f7,axiom,
! [X2,X0,X1] :
( ~ at(thing(X2),X0,X1)
| ~ at(hand,X0,X1)
| hold(thing(taken(X1)),do(pick_up,X1)) ),
file('/export/starexec/sandbox2/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/sandbox2/benchmark/theBenchmark.p',clause_9) ).
fof(f10,axiom,
! [X0,X1] :
( ~ red(X0)
| ~ at(X0,there,X1)
| answer(X1) ),
file('/export/starexec/sandbox2/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/sandbox2/benchmark/theBenchmark.p',clause_13) ).
fof(f13,axiom,
! [X0,X1] :
( at(thing(taken(X1)),X0,X1)
| ~ at(hand,X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause_14) ).
fof(f16,axiom,
! [X2,X0,X1] :
( ~ at(X0,X1,do(let_go,X2))
| at(X0,X1,X2) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause_17) ).
fof(f17,axiom,
! [X0] :
( ~ at(X0,here,now)
| red(X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',things_here_now_are_red) ).
fof(f18,negated_conjecture,
! [X0] : ~ answer(X0),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_there_is_a_red_thing) ).
fof(f22,plain,
! [X0,X1] :
( ~ at(X0,there,X1)
| ~ red(X0) ),
inference(forward_subsumption_resolution,[],[f10,f18]) ).
fof(f51,plain,
! [X0,X1] :
( ~ hold(thing(X1),X0)
| ~ at(hand,there,X0)
| ~ red(thing(X1)) ),
inference(resolution,[],[f8,f22]) ).
fof(f63,plain,
! [X2,X0,X1] :
( ~ at(hand,there,do(go(X0),X1))
| ~ red(thing(X2))
| ~ hold(thing(X2),X1) ),
inference(resolution,[],[f51,f12]) ).
fof(f72,plain,
! [X0,X1] :
( ~ hold(thing(X0),X1)
| ~ red(thing(X0)) ),
inference(resolution,[],[f63,f4]) ).
fof(f79,plain,
! [X0,X1] :
( ~ at(hand,X0,X1)
| hold(thing(taken(X1)),do(pick_up,X1))
| ~ at(hand,X0,X1) ),
inference(resolution,[],[f7,f13]) ).
fof(f85,plain,
! [X0,X1] :
( ~ at(hand,X0,X1)
| hold(thing(taken(X1)),do(pick_up,X1)) ),
inference(duplicate_literal_removal,[],[f79]) ).
fof(f88,plain,
! [X0,X1] :
( at(thing(taken(do(go(X0),X1))),X0,X1)
| hold(thing(taken(do(go(X0),X1))),X1)
| ~ at(hand,X0,do(go(X0),X1)) ),
inference(resolution,[],[f6,f13]) ).
fof(f91,plain,
! [X0,X1] :
( at(thing(taken(do(go(X0),X1))),X0,X1)
| hold(thing(taken(do(go(X0),X1))),X1) ),
inference(forward_subsumption_resolution,[],[f88,f4]) ).
fof(f95,plain,
! [X0,X1] : hold(thing(taken(do(go(X0),X1))),do(pick_up,do(go(X0),X1))),
inference(resolution,[],[f85,f4]) ).
fof(f106,plain,
! [X0,X1] : ~ red(thing(taken(do(go(X0),X1)))),
inference(resolution,[],[f95,f72]) ).
fof(f146,plain,
! [X0,X1] :
( hold(thing(taken(do(go(X0),do(let_go,X1)))),do(let_go,X1))
| at(thing(taken(do(go(X0),do(let_go,X1)))),X0,X1) ),
inference(resolution,[],[f91,f16]) ).
fof(f147,plain,
! [X0,X1] : at(thing(taken(do(go(X0),do(let_go,X1)))),X0,X1),
inference(forward_subsumption_resolution,[],[f146,f2]) ).
fof(f158,plain,
red(thing(taken(do(go(here),do(let_go,now))))),
inference(resolution,[],[f147,f17]) ).
fof(f164,plain,
$false,
inference(forward_subsumption_resolution,[],[f158,f106]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : MSC001-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.12/0.36 % Computer : n016.cluster.edu
% 0.12/0.36 % Model : x86_64 x86_64
% 0.12/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.36 % Memory : 8046.5625MB
% 0.12/0.36 % OS : Linux 6.8.0-71-generic
% 0.12/0.37 % CPULimit : 300
% 0.12/0.37 % WCLimit : 300
% 0.12/0.37 % DateTime : Sun Sep 27 17:44:47 UTC 2026
% 0.12/0.37 % CPUTime :
% 0.12/0.37 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.12/0.40 Running first-order model finding
% 0.12/0.40 Running: /export/starexec/sandbox2/solver/bin/vampire-ho --input_syntax tptp --output_axiom_names on --mode casc --intent sat -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.12/0.46 % (2875608)Will run a generic schedule for satisfiability detection.
% 0.12/0.46 % (2875618)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=4241870830:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.12/0.46 % (2875614)% WARNING: option uhcvi not known.
% 0.12/0.46 % (2875613)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=4054016858_2999 on theBenchmark for (2999ds/0Mi)
% 0.12/0.46 % (2875614)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=1632786065:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.12/0.46 % (2875615)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=1026006343:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.12/0.46 % (2875617)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=773637717:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.12/0.46 % (2875616)dis+10_1_sil=32000:sp=arity:random_seed=2716168935:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.12/0.46 % (2875619)ott-3_16_to=lpo:sil=16000:sp=arity:fd=off:rp=on:random_seed=3301228987:i=159:bs=unit_only:nicw=on:fsr=off:amm=off_2999 on theBenchmark for (2999ds/159Mi)
% 0.12/0.46 % TRYING [1]
% 0.12/0.46 % TRYING [2]
% 0.12/0.46 % TRYING [3]
% 0.12/0.46 % (2875616) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-2875608-2875616"...
% 0.12/0.46 % (2875616)...printing done.
% 0.12/0.46 % (2875616)Refutation found. Thanks to Tanya!
% 0.12/0.46 % SZS status Unsatisfiable for theBenchmark
% 0.12/0.46 % SZS output start Proof for theBenchmark
% See solution above
% 0.12/0.46 % (2875616)------------------------------
% 0.12/0.46 % (2875616)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.12/0.46 % (2875616)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.12/0.46 % (2875616)CaDiCaL version: 2.1.3
% 0.12/0.46 % (2875616)Termination reason: Refutation
% 0.12/0.46 % (2875616)Time elapsed: 0.004 s
% 0.12/0.46 % (2875616)Peak memory usage: 11 MB
% 0.12/0.46 % (2875616)Instructions burned: 4 (million)
% 0.12/0.46 % (2875608)Success in time 0.047 s
% 0.12/0.46 % Vampire exiting
%------------------------------------------------------------------------------