%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : PLA003-1 : 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 : n012.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 12:28:33 PM UTC 2026
% Result : Unsatisfiable 0.07s 0.37s
% Output : Refutation 0.07s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 8
% Syntax : Number of formulae : 15 ( 9 unt; 0 def)
% Number of atoms : 21 ( 0 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 14 ( 8 ~; 6 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 4 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-3 aty)
% Number of functors : 11 ( 11 usr; 8 con; 0-3 aty)
% Number of variables : 30 ( 30 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [X0,X1] :
( ~ can(monkey(X0,floor,nothing),ladder(X0,floor),X1)
| can(monkey(X0,ceiling,nothing),ladder(X0,floor),X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',climb_up) ).
fof(f3,axiom,
! [X2,X0,X1] :
( ~ can(monkey(X2,floor,the_ladder),ladder(X2,floor),X1)
| can(monkey(X0,floor,the_ladder),ladder(X0,floor),X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',go_holding_ladder) ).
fof(f5,axiom,
! [X2,X3,X0,X1] :
( ~ can(monkey(X3,floor,nothing),X1,X2)
| can(monkey(X0,floor,nothing),X1,X2) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',go_holding_nothing) ).
fof(f6,axiom,
! [X2,X3,X0,X1] :
( ~ can(monkey(X0,X1,the_ladder),ladder(X0,X3),X2)
| can(monkey(X0,X1,nothing),ladder(X0,floor),X2) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',drop_ladder) ).
fof(f8,axiom,
! [X2,X0,X1] :
( can(monkey(X0,X1,the_bananas),X2,bananas(X0,X1))
| ~ can(monkey(X0,X1,nothing),X2,bananas(X0,X1)) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',grab_bananas) ).
fof(f9,axiom,
! [X2,X0,X1] :
( ~ can(monkey(X0,X1,nothing),ladder(X0,X1),X2)
| can(monkey(X0,X1,the_ladder),ladder(X0,X1),X2) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',grab_ladder) ).
fof(f10,axiom,
can(monkey(l0,floor,nothing),ladder(l1,floor),bananas(l2,ceiling)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',initial_situation) ).
fof(f11,negated_conjecture,
! [X2,X3,X0,X1] : ~ can(monkey(X0,X1,the_bananas),X2,X3),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_the_monkey_can_get_the_bananas) ).
fof(f12,plain,
! [X0] : can(monkey(X0,floor,nothing),ladder(l1,floor),bananas(l2,ceiling)),
inference(resolution,[],[f5,f10]) ).
fof(f16,plain,
! [X2,X0,X1] : ~ can(monkey(X0,X1,nothing),X2,bananas(X0,X1)),
inference(forward_subsumption_resolution,[],[f8,f11]) ).
fof(f17,plain,
can(monkey(l1,floor,the_ladder),ladder(l1,floor),bananas(l2,ceiling)),
inference(resolution,[],[f9,f12]) ).
fof(f18,plain,
! [X0] : can(monkey(X0,floor,the_ladder),ladder(X0,floor),bananas(l2,ceiling)),
inference(resolution,[],[f17,f3]) ).
fof(f21,plain,
! [X0] : can(monkey(X0,floor,nothing),ladder(X0,floor),bananas(l2,ceiling)),
inference(resolution,[],[f18,f6]) ).
fof(f22,plain,
! [X0] : can(monkey(X0,ceiling,nothing),ladder(X0,floor),bananas(l2,ceiling)),
inference(resolution,[],[f21,f1]) ).
fof(f26,plain,
$false,
inference(resolution,[],[f22,f16]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.01 % Problem : PLA003-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.03 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.04/0.31 % Computer : n012.cluster.edu
% 0.04/0.31 % Model : x86_64 x86_64
% 0.04/0.31 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.04/0.31 % Memory : 8046.5625MB
% 0.04/0.31 % OS : Linux 6.8.0-71-generic
% 0.04/0.31 % CPULimit : 300
% 0.04/0.31 % WCLimit : 300
% 0.04/0.31 % DateTime : Sun Sep 27 22:08:50 UTC 2026
% 0.04/0.31 % CPUTime :
% 0.04/0.31 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.07/0.33 Running first-order model finding
% 0.07/0.33 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
% 0.07/0.37 % (2801593)Will run a generic schedule for satisfiability detection.
% 0.07/0.37 % (2801599)% WARNING: option uhcvi not known.
% 0.07/0.37 % (2801603)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=2850319175:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.07/0.37 % (2801602)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=1829794568:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.07/0.37 % (2801601)dis+10_1_sil=32000:sp=arity:random_seed=1787598126:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.07/0.37 % (2801599)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=2982795416:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.07/0.37 % (2801600)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=4167539253:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.07/0.37 % (2801604)ott-3_16_to=lpo:sil=16000:sp=arity:fd=off:rp=on:random_seed=3106020210:i=159:bs=unit_only:nicw=on:fsr=off:amm=off_2999 on theBenchmark for (2999ds/159Mi)
% 0.07/0.37 % (2801598)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=1717856629_2999 on theBenchmark for (2999ds/0Mi)
% 0.07/0.37 % (2801603) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-2801593-2801603"...
% 0.07/0.37 % (2801601) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-2801593-2801601"...
% 0.07/0.37 % (2801599) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-2801593-2801599"...
% 0.07/0.37 % (2801604) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-2801593-2801604"...
% 0.07/0.37 % (2801602) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-2801593-2801602"...
% 0.07/0.37 % (2801600) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-2801593-2801600"...
% 0.07/0.37 % (2801603)...printing done.
% 0.07/0.37 % (2801601)...printing done.
% 0.07/0.37 % (2801599)...printing done.
% 0.07/0.37 % (2801604)...printing done.
% 0.07/0.37 % (2801602)...printing done.
% 0.07/0.37 % TRYING [1]
% 0.07/0.37 % (2801600)...printing done.
% 0.07/0.37 % TRYING [2]
% 0.07/0.37 % (2801601)Refutation found. Thanks to Tanya!
% 0.07/0.37 % SZS status Unsatisfiable for theBenchmark
% 0.07/0.37 % SZS output start Proof for theBenchmark
% See solution above
% 0.07/0.37 % (2801601)------------------------------
% 0.07/0.37 % (2801601)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.07/0.37 % (2801601)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.07/0.37 % (2801601)CaDiCaL version: 2.1.3
% 0.07/0.37 % (2801601)Termination reason: Refutation
% 0.07/0.37 % (2801601)Time elapsed: 0.001 s
% 0.07/0.37 % (2801601)Peak memory usage: 11 MB
% 0.07/0.37 % (2801601)Instructions burned: 1 (million)
% 0.07/0.37 % (2801593)Success in time 0.03 s
% 0.07/0.37 % Vampire exiting
%------------------------------------------------------------------------------