%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : PLA020-1 : TPTP v9.3.1. Released v1.1.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% Computer : n017.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 12:28:36 PM UTC 2026
% Result : Unsatisfiable 0.09s 0.45s
% Output : Refutation 0.09s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 5
% Syntax : Number of formulae : 9 ( 6 unt; 0 def)
% Number of atoms : 15 ( 0 equ)
% Maximal formula atoms : 4 ( 1 avg)
% Number of connectives : 16 ( 10 ~; 6 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 8 ( 3 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 8 ( 8 usr; 4 con; 0-2 aty)
% Number of variables : 6 ( 6 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f3,axiom,
! [X2,X0,X1] :
( holds(clear(X0),do(pickup(X1),X2))
| ~ holds(on(X1,X0),X2)
| ~ holds(clear(X1),X2)
| ~ holds(empty,X2) ),
file('/export/starexec/sandbox2/benchmark/Axioms/PLA001-0.ax',pickup_2) ).
fof(f24,axiom,
holds(on(c,d),s0),
file('/export/starexec/sandbox2/benchmark/Axioms/PLA001-1.ax',initial_state3) ).
fof(f28,axiom,
holds(clear(c),s0),
file('/export/starexec/sandbox2/benchmark/Axioms/PLA001-1.ax',initial_state7) ).
fof(f29,axiom,
holds(empty,s0),
file('/export/starexec/sandbox2/benchmark/Axioms/PLA001-1.ax',initial_state8) ).
fof(f31,negated_conjecture,
! [X0] : ~ holds(clear(d),X0),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_D) ).
fof(f99,plain,
! [X0,X1] :
( ~ holds(on(X0,d),X1)
| ~ holds(clear(X0),X1)
| ~ holds(empty,X1) ),
inference(resolution,[],[f3,f31]) ).
fof(f101,plain,
( ~ holds(clear(c),s0)
| ~ holds(empty,s0) ),
inference(resolution,[],[f99,f24]) ).
fof(f104,plain,
~ holds(empty,s0),
inference(forward_subsumption_resolution,[],[f101,f28]) ).
fof(f105,plain,
$false,
inference(forward_subsumption_resolution,[],[f104,f29]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : PLA020-1 : TPTP v9.3.1. Released v1.1.0.
% 0.00/0.06 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.09/0.39 % Computer : n017.cluster.edu
% 0.09/0.39 % Model : x86_64 x86_64
% 0.09/0.39 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.39 % Memory : 8046.5625MB
% 0.09/0.39 % OS : Linux 6.8.0-71-generic
% 0.09/0.39 % CPULimit : 300
% 0.09/0.39 % WCLimit : 300
% 0.09/0.39 % DateTime : Sun Sep 27 22:05:05 UTC 2026
% 0.09/0.39 % CPUTime :
% 0.09/0.39 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.09/0.41 Running first-order model finding
% 0.09/0.41 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
% 0.09/0.45 % (2986373)Will run a generic schedule for satisfiability detection.
% 0.09/0.45 % (2986382)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=3744834440:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.09/0.45 % (2986382) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-2986373-2986382"...
% 0.09/0.45 % (2986382)...printing done.
% 0.09/0.45 % (2986379)% WARNING: option uhcvi not known.
% 0.09/0.45 % (2986382)Refutation found. Thanks to Tanya!
% 0.09/0.45 % SZS status Unsatisfiable for theBenchmark
% 0.09/0.45 % SZS output start Proof for theBenchmark
% See solution above
% 0.09/0.45 % (2986382)------------------------------
% 0.09/0.45 % (2986382)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.09/0.45 % (2986382)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.09/0.45 % (2986382)CaDiCaL version: 2.1.3
% 0.09/0.45 % (2986382)Termination reason: Refutation
% 0.09/0.45 % (2986382)Time elapsed: 0.002 s
% 0.09/0.45 % (2986382)Peak memory usage: 11 MB
% 0.09/0.45 % (2986382)Instructions burned: 4 (million)
% 0.09/0.45 % (2986373)Success in time 0.027 s
% 0.09/0.45 % Vampire exiting
%------------------------------------------------------------------------------