%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : GRP135-1.002 : TPTP v9.3.1. Released v1.2.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 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 10:16:55 AM UTC 2026
% Result : Unsatisfiable 0.12s 0.42s
% Output : Refutation 0.12s
% Verified :
% SZS Type : Refutation
% Derivation depth : 2
% Number of leaves : 9
% Syntax : Number of formulae : 18 ( 9 unt; 0 def)
% Number of atoms : 38 ( 0 equ)
% Maximal formula atoms : 4 ( 2 avg)
% Number of connectives : 43 ( 23 ~; 20 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 8 ( 5 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 4 ( 3 usr; 1 prp; 0-3 aty)
% Number of functors : 2 ( 2 usr; 2 con; 0-0 aty)
% Number of variables : 32 ( 32 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
group_element(e_1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',element_1) ).
fof(f2,axiom,
group_element(e_2),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',element_2) ).
fof(f3,axiom,
~ equalish(e_1,e_2),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',e_1_is_not_e_2) ).
fof(f4,axiom,
~ equalish(e_2,e_1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',e_2_is_not_e_1) ).
fof(f5,axiom,
! [X0,X1] :
( ~ group_element(X0)
| ~ group_element(X1)
| product(X0,X1,e_1)
| product(X0,X1,e_2) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',product_total_function1) ).
fof(f6,axiom,
! [X2,X3,X0,X1] :
( ~ product(X0,X1,X2)
| ~ product(X0,X1,X3)
| equalish(X2,X3) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',product_total_function2) ).
fof(f7,axiom,
! [X2,X3,X0,X1] :
( ~ product(X0,X1,X2)
| ~ product(X0,X3,X2)
| equalish(X1,X3) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',product_right_cancellation) ).
fof(f8,axiom,
! [X2,X3,X0,X1] :
( ~ product(X0,X1,X2)
| ~ product(X3,X1,X2)
| equalish(X0,X3) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',product_left_cancellation) ).
fof(f9,negated_conjecture,
! [X2,X3,X0,X1] :
( ~ product(X0,X1,X2)
| ~ product(X2,X0,X3)
| product(X3,X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',qg3) ).
fof(f10,plain,
~ group_element(e_1),
inference(consistent_polarity_flipping,[],[f1]) ).
fof(f11,plain,
~ group_element(e_2),
inference(consistent_polarity_flipping,[],[f2]) ).
fof(f12,plain,
equalish(e_1,e_2),
inference(consistent_polarity_flipping,[],[f3]) ).
fof(f13,plain,
equalish(e_2,e_1),
inference(consistent_polarity_flipping,[],[f4]) ).
fof(f14,plain,
! [X0,X1] :
( group_element(X0)
| group_element(X1)
| product(X0,X1,e_1)
| product(X0,X1,e_2) ),
inference(consistent_polarity_flipping,[],[f5]) ).
fof(f15,plain,
! [X2,X3,X0,X1] :
( ~ product(X0,X1,X2)
| ~ product(X0,X1,X3)
| ~ equalish(X2,X3) ),
inference(consistent_polarity_flipping,[],[f6]) ).
fof(f16,plain,
! [X2,X3,X0,X1] :
( ~ product(X0,X1,X2)
| ~ product(X0,X3,X2)
| ~ equalish(X1,X3) ),
inference(consistent_polarity_flipping,[],[f7]) ).
fof(f17,plain,
! [X2,X3,X0,X1] :
( ~ product(X0,X1,X2)
| ~ product(X3,X1,X2)
| ~ equalish(X0,X3) ),
inference(consistent_polarity_flipping,[],[f8]) ).
fof(f25,plain,
$false,
inference(finite_model_not_found_(exhaustively_excluded_all_possible_domain_size_assignments),[],[f10,f11,f12,f13,f14,f15,f16,f17,f9]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : GRP135-1.002 : TPTP v9.3.1. Released v1.2.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.09/0.35 % Computer : n013.cluster.edu
% 0.09/0.35 % Model : x86_64 x86_64
% 0.09/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.35 % Memory : 8046.5625MB
% 0.09/0.35 % OS : Linux 6.8.0-71-generic
% 0.09/0.35 % CPULimit : 300
% 0.09/0.35 % WCLimit : 300
% 0.09/0.35 % DateTime : Sun Sep 27 09:31:06 UTC 2026
% 0.09/0.35 % CPUTime :
% 0.09/0.35 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.12/0.38 Running first-order model finding
% 0.12/0.38 Running: /export/starexec/sandbox/solver/bin/vampire-ho --input_syntax tptp --output_axiom_names on --mode casc --intent sat -m 16384 --cores 7 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.12/0.42 % (4156745)Will run a generic schedule for satisfiability detection.
% 0.12/0.42 % (4156750)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=601502039_2999 on theBenchmark for (2999ds/0Mi)
% 0.12/0.42 % Detected minimum model sizes of [1]
% 0.12/0.42 % Detected maximum model sizes of [2]
% 0.12/0.42 % TRYING [1]
% 0.12/0.42 % TRYING [2]
% 0.12/0.42 % (4156750) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-4156745-4156750"...
% 0.12/0.42 % (4156750)...printing done.
% 0.12/0.42 % (4156750)Refutation found. Thanks to Tanya!
% 0.12/0.42 % SZS status Unsatisfiable for theBenchmark
% 0.12/0.42 % SZS output start Proof for theBenchmark
% See solution above
% 0.12/0.42 % (4156750)------------------------------
% 0.12/0.42 % (4156750)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.12/0.42 % (4156750)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.12/0.42 % (4156750)CaDiCaL version: 2.1.3
% 0.12/0.42 % (4156750)Termination reason: Refutation
% 0.12/0.42 % (4156750)Time elapsed: 0.001 s
% 0.12/0.42 % (4156750)Peak memory usage: 11 MB
% 0.12/0.42 % (4156750)Instructions burned: 1 (million)
% 0.12/0.42 % (4156745)Success in time 0.028 s
% 0.12/0.42 % Vampire exiting
%------------------------------------------------------------------------------