%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : PLA016-1 : 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 0.17s 0.47s
% Output : Refutation 0.17s
% Verified :
% SZS Type : Refutation
% Derivation depth : 21
% Number of leaves : 17
% Syntax : Number of formulae : 38 ( 13 unt; 0 def)
% Number of atoms : 131 ( 0 equ)
% Maximal formula atoms : 9 ( 3 avg)
% Number of connectives : 207 ( 114 ~; 93 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 14 ( 6 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 3 ( 2 usr; 1 prp; 0-2 aty)
% Number of functors : 12 ( 12 usr; 6 con; 0-2 aty)
% Number of variables : 56 ( 56 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f2,axiom,
! [X0,X1] :
( holds(holding(X0),do(pickup(X0),X1))
| ~ holds(empty,X1)
| ~ holds(clear(X0),X1)
| ~ differ(X0,table) ),
file('/export/starexec/sandbox2/benchmark/Axioms/PLA001-0.ax',pickup_1) ).
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(f5,axiom,
! [X2,X0,X1] :
( holds(clear(X0),do(pickup(X1),X2))
| ~ holds(clear(X0),X2)
| ~ differ(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/Axioms/PLA001-0.ax',pickup_4) ).
fof(f6,axiom,
! [X2,X0,X1] :
( holds(empty,do(putdown(X0,X1),X2))
| ~ holds(holding(X0),X2)
| ~ holds(clear(X1),X2) ),
file('/export/starexec/sandbox2/benchmark/Axioms/PLA001-0.ax',putdown_1) ).
fof(f7,axiom,
! [X2,X0,X1] :
( holds(on(X0,X1),do(putdown(X0,X1),X2))
| ~ holds(holding(X0),X2)
| ~ holds(clear(X1),X2) ),
file('/export/starexec/sandbox2/benchmark/Axioms/PLA001-0.ax',putdown_2) ).
fof(f10,axiom,
! [X2,X3,X0,X1] :
( holds(clear(X0),do(putdown(X1,X2),X3))
| ~ holds(clear(X0),X3)
| ~ differ(X0,X2) ),
file('/export/starexec/sandbox2/benchmark/Axioms/PLA001-0.ax',putdown_5) ).
fof(f13,axiom,
differ(a,c),
file('/export/starexec/sandbox2/benchmark/Axioms/PLA001-1.ax',differ_a_c) ).
fof(f14,axiom,
differ(a,d),
file('/export/starexec/sandbox2/benchmark/Axioms/PLA001-1.ax',differ_a_d) ).
fof(f15,axiom,
differ(a,table),
file('/export/starexec/sandbox2/benchmark/Axioms/PLA001-1.ax',differ_a_table) ).
fof(f20,axiom,
differ(c,table),
file('/export/starexec/sandbox2/benchmark/Axioms/PLA001-1.ax',differ_c_table) ).
fof(f21,axiom,
differ(d,table),
file('/export/starexec/sandbox2/benchmark/Axioms/PLA001-1.ax',differ_d_table) ).
fof(f24,axiom,
holds(on(c,d),s0),
file('/export/starexec/sandbox2/benchmark/Axioms/PLA001-1.ax',initial_state3) ).
fof(f26,axiom,
holds(clear(a),s0),
file('/export/starexec/sandbox2/benchmark/Axioms/PLA001-1.ax',initial_state5) ).
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(f30,axiom,
! [X0] : holds(clear(table),X0),
file('/export/starexec/sandbox2/benchmark/Axioms/PLA001-1.ax',clear_table) ).
fof(f31,negated_conjecture,
! [X0] : ~ holds(on(d,a),X0),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_DA) ).
fof(f52,plain,
! [X0] :
( ~ holds(clear(a),X0)
| ~ holds(holding(d),X0) ),
inference(resolution,[],[f7,f31]) ).
fof(f53,plain,
! [X0,X1] :
( ~ holds(holding(d),do(pickup(X0),X1))
| ~ holds(clear(a),X1)
| ~ differ(a,X0) ),
inference(resolution,[],[f52,f5]) ).
fof(f59,plain,
! [X0] :
( ~ holds(clear(a),X0)
| ~ differ(a,d)
| ~ holds(empty,X0)
| ~ holds(clear(d),X0)
| ~ differ(d,table) ),
inference(resolution,[],[f53,f2]) ).
fof(f60,plain,
! [X0] :
( ~ holds(clear(a),X0)
| ~ holds(empty,X0)
| ~ holds(clear(d),X0)
| ~ differ(d,table) ),
inference(forward_subsumption_resolution,[],[f59,f14]) ).
fof(f61,plain,
! [X0] :
( ~ holds(clear(d),X0)
| ~ holds(empty,X0)
| ~ holds(clear(a),X0) ),
inference(forward_subsumption_resolution,[],[f60,f21]) ).
fof(f65,plain,
! [X2,X0,X1] :
( ~ holds(clear(a),do(putdown(X0,X1),X2))
| ~ holds(empty,do(putdown(X0,X1),X2))
| ~ holds(clear(d),X2)
| ~ differ(d,X1) ),
inference(resolution,[],[f61,f10]) ).
fof(f73,plain,
! [X2,X0,X1] :
( ~ holds(empty,do(putdown(X0,X1),X2))
| ~ holds(clear(d),X2)
| ~ differ(d,X1)
| ~ holds(clear(a),X2)
| ~ differ(a,X1) ),
inference(resolution,[],[f65,f10]) ).
fof(f83,plain,
! [X2,X0,X1] :
( ~ holds(clear(d),X0)
| ~ differ(d,X1)
| ~ holds(clear(a),X0)
| ~ differ(a,X1)
| ~ holds(holding(X2),X0)
| ~ holds(clear(X1),X0) ),
inference(resolution,[],[f73,f6]) ).
fof(f84,plain,
! [X2,X3,X0,X1] :
( ~ holds(clear(a),do(pickup(X1),X2))
| ~ differ(d,X0)
| ~ differ(a,X0)
| ~ holds(holding(X3),do(pickup(X1),X2))
| ~ holds(clear(X0),do(pickup(X1),X2))
| ~ holds(on(X1,d),X2)
| ~ holds(clear(X1),X2)
| ~ holds(empty,X2) ),
inference(resolution,[],[f83,f3]) ).
fof(f149,plain,
! [X2,X3,X0,X1] :
( ~ holds(clear(X0),do(pickup(X2),X3))
| ~ differ(a,X0)
| ~ holds(holding(X1),do(pickup(X2),X3))
| ~ differ(d,X0)
| ~ holds(on(X2,d),X3)
| ~ holds(clear(X2),X3)
| ~ holds(empty,X3)
| ~ holds(clear(a),X3)
| ~ differ(a,X2) ),
inference(resolution,[],[f84,f5]) ).
fof(f176,plain,
! [X2,X0,X1] :
( ~ differ(a,table)
| ~ holds(holding(X0),do(pickup(X1),X2))
| ~ differ(d,table)
| ~ holds(on(X1,d),X2)
| ~ holds(clear(X1),X2)
| ~ holds(empty,X2)
| ~ holds(clear(a),X2)
| ~ differ(a,X1) ),
inference(resolution,[],[f149,f30]) ).
fof(f178,plain,
! [X2,X0,X1] :
( ~ holds(holding(X0),do(pickup(X1),X2))
| ~ differ(d,table)
| ~ holds(on(X1,d),X2)
| ~ holds(clear(X1),X2)
| ~ holds(empty,X2)
| ~ holds(clear(a),X2)
| ~ differ(a,X1) ),
inference(forward_subsumption_resolution,[],[f176,f15]) ).
fof(f179,plain,
! [X2,X0,X1] :
( ~ holds(holding(X0),do(pickup(X1),X2))
| ~ holds(on(X1,d),X2)
| ~ holds(clear(X1),X2)
| ~ holds(empty,X2)
| ~ holds(clear(a),X2)
| ~ differ(a,X1) ),
inference(forward_subsumption_resolution,[],[f178,f21]) ).
fof(f197,plain,
! [X0,X1] :
( ~ holds(on(X0,d),X1)
| ~ holds(clear(X0),X1)
| ~ holds(empty,X1)
| ~ holds(clear(a),X1)
| ~ differ(a,X0)
| ~ holds(empty,X1)
| ~ holds(clear(X0),X1)
| ~ differ(X0,table) ),
inference(resolution,[],[f179,f2]) ).
fof(f198,plain,
! [X0,X1] :
( ~ holds(on(X0,d),X1)
| ~ holds(clear(X0),X1)
| ~ holds(empty,X1)
| ~ holds(clear(a),X1)
| ~ differ(a,X0)
| ~ differ(X0,table) ),
inference(duplicate_literal_removal,[],[f197]) ).
fof(f211,plain,
( ~ holds(clear(c),s0)
| ~ holds(empty,s0)
| ~ holds(clear(a),s0)
| ~ differ(a,c)
| ~ differ(c,table) ),
inference(resolution,[],[f198,f24]) ).
fof(f212,plain,
( ~ holds(empty,s0)
| ~ holds(clear(a),s0)
| ~ differ(a,c)
| ~ differ(c,table) ),
inference(forward_subsumption_resolution,[],[f211,f28]) ).
fof(f214,plain,
( ~ holds(clear(a),s0)
| ~ differ(a,c)
| ~ differ(c,table) ),
inference(forward_subsumption_resolution,[],[f212,f29]) ).
fof(f216,plain,
( ~ differ(a,c)
| ~ differ(c,table) ),
inference(forward_subsumption_resolution,[],[f214,f26]) ).
fof(f217,plain,
~ differ(c,table),
inference(forward_subsumption_resolution,[],[f216,f13]) ).
fof(f218,plain,
$false,
inference(forward_subsumption_resolution,[],[f217,f20]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : PLA016-1 : TPTP v9.3.1. Released v1.1.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.11/0.39 % Computer : n017.cluster.edu
% 0.11/0.39 % Model : x86_64 x86_64
% 0.11/0.39 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.39 % Memory : 8046.5625MB
% 0.11/0.39 % OS : Linux 6.8.0-71-generic
% 0.11/0.39 % CPULimit : 300
% 0.11/0.39 % WCLimit : 300
% 0.11/0.39 % DateTime : Sun Sep 27 22:05:20 UTC 2026
% 0.11/0.39 % CPUTime :
% 0.11/0.39 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.11/0.42 Running first-order model finding
% 0.11/0.42 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
% 0.17/0.47 % (2986793)Will run a generic schedule for satisfiability detection.
% 0.17/0.47 % (2986798)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=2861451850_2999 on theBenchmark for (2999ds/0Mi)
% 0.17/0.47 % TRYING [1]
% 0.17/0.47 % TRYING [2]
% 0.17/0.47 % TRYING [3]
% 0.17/0.47 % (2986799)% WARNING: option uhcvi not known.
% 0.17/0.47 % (2986799)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=2026035598:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.17/0.47 % (2986800)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=3606378528:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.17/0.47 % (2986801)dis+10_1_sil=32000:sp=arity:random_seed=360196997:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.17/0.47 % (2986802)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=2977654529:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.17/0.47 % (2986803)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=1909517808:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.17/0.47 % (2986804)ott-3_16_to=lpo:sil=16000:sp=arity:fd=off:rp=on:random_seed=1065554335:i=159:bs=unit_only:nicw=on:fsr=off:amm=off_2999 on theBenchmark for (2999ds/159Mi)
% 0.17/0.47 % (2986801) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-2986793-2986801"...
% 0.17/0.47 % (2986802) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-2986793-2986802"...
% 0.17/0.47 % (2986801)...printing done.
% 0.17/0.47 % TRYING [4]
% 0.17/0.47 % (2986801)Refutation found. Thanks to Tanya!
% 0.17/0.47 % SZS status Unsatisfiable for theBenchmark
% 0.17/0.47 % SZS output start Proof for theBenchmark
% See solution above
% 0.17/0.48 % (2986801)------------------------------
% 0.17/0.48 % (2986801)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.17/0.48 % (2986801)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.17/0.48 % (2986801)CaDiCaL version: 2.1.3
% 0.17/0.48 % (2986801)Termination reason: Refutation
% 0.17/0.48 % (2986801)Time elapsed: 0.008 s
% 0.17/0.48 % (2986801)Peak memory usage: 11 MB
% 0.17/0.48 % (2986801)Instructions burned: 11 (million)
% 0.17/0.48 % (2986793)Success in time 0.043 s
% 0.17/0.48 % Vampire exiting
%------------------------------------------------------------------------------