%------------------------------------------------------------------------------
% File : Vampire---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 THM
% Computer : n013.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 12:04:45 PM UTC 2026
% Result : Unsatisfiable 3.85s 1.51s
% Output : Refutation 3.85s
% Verified :
% SZS Type : Refutation
% Derivation depth : 9
% Number of leaves : 11
% Syntax : Number of formulae : 25 ( 11 unt; 0 def)
% Number of atoms : 47 ( 0 equ)
% Maximal formula atoms : 4 ( 1 avg)
% Number of connectives : 48 ( 26 ~; 22 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 10 ( 5 avg)
% Maximal term depth : 6 ( 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 : 54 ( 54 !; 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] :
( hold(thing(taken(X1)),do(pick_up,X1))
| ~ at(thing(X2),X0,X1)
| ~ at(hand,X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause_8) ).
fof(f8,axiom,
! [X2,X0,X1] :
( ~ hold(thing(X0),X1)
| ~ at(hand,X2,X1)
| at(thing(X0),X2,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),X1)
| hold(thing(X0),do(go(X2),X1)) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause_13) ).
fof(f13,axiom,
! [X0,X1] :
( ~ at(hand,X0,X1)
| at(thing(taken(X1)),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(f19,plain,
! [X0,X1] :
( ~ red(X0)
| ~ at(X0,there,X1) ),
inference(forward_subsumption_resolution,[],[f10,f18]) ).
fof(f23,plain,
! [X0,X1] : at(thing(taken(do(go(X0),X1))),X0,do(go(X0),X1)),
inference(resolution,[],[f13,f4]) ).
fof(f59,plain,
! [X2,X3,X0,X1] :
( hold(thing(taken(X0)),do(go(X1),do(pick_up,X0)))
| ~ at(thing(X2),X3,X0)
| ~ at(hand,X3,X0) ),
inference(resolution,[],[f12,f7]) ).
fof(f60,plain,
! [X0,X1] :
( hold(thing(taken(do(go(X0),X1))),X1)
| at(thing(taken(do(go(X0),X1))),X0,X1) ),
inference(resolution,[],[f23,f6]) ).
fof(f130,plain,
! [X0,X1] : at(thing(taken(do(go(X0),do(let_go,X1)))),X0,do(let_go,X1)),
inference(resolution,[],[f60,f2]) ).
fof(f161,plain,
! [X2,X3,X0,X1,X4] :
( ~ at(hand,X3,do(go(X4),do(pick_up,X2)))
| ~ at(hand,X1,X2)
| ~ at(thing(X0),X1,X2)
| at(thing(taken(X2)),X3,do(go(X4),do(pick_up,X2))) ),
inference(resolution,[],[f59,f8]) ).
fof(f199,plain,
! [X0,X1] : at(thing(taken(do(go(X0),do(let_go,X1)))),X0,X1),
inference(resolution,[],[f130,f16]) ).
fof(f206,plain,
red(thing(taken(do(go(here),do(let_go,now))))),
inference(resolution,[],[f199,f17]) ).
fof(f210,plain,
! [X0,X1] : at(thing(taken(do(go(X0),do(let_go,do(let_go,X1))))),X0,X1),
inference(resolution,[],[f199,f16]) ).
fof(f211,plain,
! [X0] : ~ at(thing(taken(do(go(here),do(let_go,now)))),there,X0),
inference(resolution,[],[f206,f19]) ).
fof(f455,plain,
! [X2,X3,X0,X1] :
( at(thing(taken(X1)),X3,do(go(X3),do(pick_up,X1)))
| ~ at(thing(X2),X0,X1)
| ~ at(hand,X0,X1) ),
inference(resolution,[],[f161,f4]) ).
fof(f834,plain,
! [X0,X1] :
( ~ at(hand,X1,do(go(here),do(let_go,now)))
| ~ at(thing(X0),X1,do(go(here),do(let_go,now))) ),
inference(resolution,[],[f455,f211]) ).
fof(f839,plain,
! [X0] : ~ at(thing(X0),here,do(go(here),do(let_go,now))),
inference(resolution,[],[f834,f4]) ).
fof(f848,plain,
$false,
inference(resolution,[],[f839,f210]) ).
%------------------------------------------------------------------------------
%----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 THM
% 0.12/0.38 % Computer : n013.cluster.edu
% 0.12/0.38 % Model : x86_64 x86_64
% 0.12/0.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.38 % Memory : 8046.5625MB
% 0.12/0.38 % OS : Linux 6.8.0-71-generic
% 0.12/0.38 % CPULimit : 300
% 0.12/0.38 % WCLimit : 300
% 0.12/0.38 % DateTime : Sun Sep 27 17:39:21 UTC 2026
% 0.12/0.38 % CPUTime :
% 0.12/0.38 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.12/0.42 Running first-order theorem proving
% 0.12/0.42 Running: /export/starexec/sandbox2/solver/bin/vampire --input_syntax tptp --output_axiom_names on --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 3.85/1.51 % (443642)Input is clausal, will run a generic CNF schedule.
% 3.85/1.51 % (443651)dis-1002_1_to=lpo:sil=16000:fd=off:random_seed=1629098766:st=1.5:i=114:aac=none:ins=7:ss=axioms:fsd=on_2999 on theBenchmark for (2999ds/114Mi)
% 3.85/1.51 % (443651)Refutation not found, incomplete strategy
% 3.85/1.51 % (443651)------------------------------
% 3.85/1.51 % (443651)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.85/1.51 % (443651)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.85/1.51 % (443651)CaDiCaL version: 2.1.3
% 3.85/1.51 % (443651)Termination reason: Refutation not found, incomplete strategy
% 3.85/1.51 % (443651)Time elapsed: 0.001 s
% 3.85/1.51 % (443651)Peak memory usage: 88 MB
% 3.85/1.51 % (443651)Instructions burned: 1 (million)
% 3.85/1.51 % (443653)dis-21_1_sil=8000:lcm=predicate:random_seed=1002022628:st=5:avsq=on:i=117:avsqr=1,16:sd=3:aac=none:ep=RS:fsr=off:ss=included_2999 on theBenchmark for (2999ds/117Mi)
% 3.85/1.51 % (443650)lrs+10_1_sil=8000:sp=occurrence:random_seed=2250921397:i=107:sd=3:ss=axioms:sgt=8_2999 on theBenchmark for (2999ds/107Mi)
% 3.85/1.51 % (443648)lrs+10_1_ncem=casc2026/models/loop8.pt:sil=128000:npcc=on:urr=on:br=off:random_seed=589267382:i=132376:av=off_2999 on theBenchmark for (2999ds/132376Mi)
% 3.85/1.51 % (443649)lrs+1002_1_ncem=casc2026/models/loop8.pt:sil=128000:tgt=ground:npcc=on:sp=reverse_frequency:spb=intro:random_seed=924748772:i=137899:s2at=10:gtgl=3:kws=precedence:add=on:bd=preordered:gtg=position_2999 on theBenchmark for (2999ds/137899Mi)
% 3.85/1.51 % (443647)lrs+10_1_ncem=casc2026/models/loop8.pt:sil=128000:tgt=full:npcc=on:drc=off:sp=weighted_frequency:spb=goal:fd=preordered:foolp=on:random_seed=4092512031:i=140167_2999 on theBenchmark for (2999ds/140167Mi)
% 3.85/1.51 % (443652)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=1245875040:s2a=on:i=180:gtg=position_2999 on theBenchmark for (2999ds/180Mi)
% 3.85/1.51 % (443652)First to succeed.
% 3.85/1.51 % (443652)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-443642"
% 3.85/1.51 % (443650)Instruction limit reached!
% 3.85/1.51 % (443650)------------------------------
% 3.85/1.51 % (443650)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.85/1.51 % (443650)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.85/1.51 % (443650)CaDiCaL version: 2.1.3
% 3.85/1.51 % (443650)Termination reason: Instruction limit
% 3.85/1.51 % (443650)Termination phase: Saturation
% 3.85/1.51 % (443650)Time elapsed: 0.069 s
% 3.85/1.51 % (443650)Peak memory usage: 88 MB
% 3.85/1.51 % (443650)Instructions burned: 108 (million)
% 3.85/1.51 % (443653)Instruction limit reached!
% 3.85/1.51 % (443653)------------------------------
% 3.85/1.51 % (443653)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.85/1.51 % (443653)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.85/1.51 % (443653)CaDiCaL version: 2.1.3
% 3.85/1.51 % (443653)Termination reason: Instruction limit
% 3.85/1.51 % (443653)Termination phase: Saturation
% 3.85/1.51 % (443653)Time elapsed: 0.072 s
% 3.85/1.51 % (443653)Peak memory usage: 89 MB
% 3.85/1.51 % (443653)Instructions burned: 118 (million)
% 3.85/1.51 % (443651)------------------------------
% 3.85/1.51 % (443651)------------------------------
% 3.85/1.51 % (443661)dis+1010_3_sil=8000:plsq=on:drc=off:fde=none:plsqc=1:bsd=on:plsqr=7,2:sos=on:spb=goal_then_units:random_seed=3957841116:i=143:sd=2:aac=none:ss=axioms:sgt=16_2997 on theBenchmark for (2997ds/143Mi)
% 3.85/1.51 % (443661)Refutation not found, incomplete strategy
% 3.85/1.51 % (443661)------------------------------
% 3.85/1.51 % (443661)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.85/1.51 % (443661)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.85/1.51 % (443661)CaDiCaL version: 2.1.3
% 3.85/1.51 % (443661)Termination reason: Refutation not found, incomplete strategy
% 3.85/1.51 % (443661)Time elapsed: 0.001 s
% 3.85/1.51 % (443661)Peak memory usage: 88 MB
% 3.85/1.51 % (443663)lrs-1002_1_to=lpo:sil=8000:fde=none:sos=on:random_seed=1459058025:st=4:i=219:sd=3:ss=axioms_2997 on theBenchmark for (2997ds/219Mi)
% 3.85/1.51 % (443663)Refutation not found, incomplete strategy
% 3.85/1.51 % (443663)------------------------------
% 3.85/1.51 % (443663)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.85/1.51 % (443663)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.85/1.51 % (443663)CaDiCaL version: 2.1.3
% 3.85/1.51 % (443663)Termination reason: Refutation not found, incomplete strategy
% 3.85/1.51 % (443663)Time elapsed: 0.001 s
% 3.85/1.51 % (443663)Peak memory usage: 88 MB
% 3.85/1.51 % (443662)ott-1010_1_to=lpo:sil=16000:sos=on:spb=units:urr=on:bce=on:br=off:random_seed=3836554341:st=3:avsq=on:s2a=on:i=189:s2at=1.2:avsqr=1,16:sd=2:bd=all:nm=64:ss=axioms:sgt=30_2997 on theBenchmark for (2997ds/189Mi)
% 3.85/1.51 % (443652)Refutation found. Thanks to Tanya!
% 3.85/1.51 % SZS status Unsatisfiable for theBenchmark
% 3.85/1.51 % SZS output start Proof for theBenchmark
% See solution above
% 3.85/1.51 % (443652)------------------------------
% 3.85/1.51 % (443652)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.85/1.51 % (443652)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.85/1.51 % (443652)CaDiCaL version: 2.1.3
% 3.85/1.51 % (443652)Termination reason: Refutation
% 3.85/1.51 % (443652)Time elapsed: 0.027 s
% 3.85/1.51 % (443652)Peak memory usage: 88 MB
% 3.85/1.51 % (443652)Instructions burned: 39 (million)
% 3.85/1.51 % (443652)------------------------------
% 3.85/1.51 % (443652)------------------------------
% 3.85/1.51 % (443642)Success in time 0.455 s
% 3.85/1.51 % Vampire exiting
%------------------------------------------------------------------------------