%------------------------------------------------------------------------------
% File : Leo-III---1.8.0
% Problem : LAT273-2 : TPTP v9.3.1. Released v3.2.0.
% Transfm : none
% Format : tptp:raw
% Command : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% Computer : n010.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 : Sun Sep 27 07:46:55 AM UTC 2026
% Result : Unsatisfiable 2.94s 6.92s
% Output : Refutation 2.94s
% Verified :
% SZS Type : Refutation
% Derivation depth : 2
% Number of leaves : 7
% Syntax : Number of formulae : 15 ( 9 unt; 0 typ; 0 def)
% Number of atoms : 31 ( 0 equ; 0 cnn)
% Maximal formula atoms : 4 ( 2 avg)
% Number of connectives : 220 ( 16 ~; 16 |; 0 &; 188 @)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 18 ( 10 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 17 ( 16 usr; 9 con; 0-4 aty)
% Number of variables : 24 ( 0 ^; 24 !; 0 ?; 24 :)
% Comments :
%------------------------------------------------------------------------------
thf(c_in_decl,type,
c_in: $i > $i > $i > $o ).
thf(v_b_decl,type,
v_b: $i ).
thf(v_A_decl,type,
v_A: $i ).
thf(t_a_decl,type,
t_a: $i ).
thf(c_lessequals_decl,type,
c_lessequals: $i > $i > $i > $o ).
thf(v_S_decl,type,
v_S: $i ).
thf(c_Tarski_Ointerval_decl,type,
c_Tarski_Ointerval: $i > $i > $i > $i > $i ).
thf(v_r_decl,type,
v_r: $i ).
thf(v_a_decl,type,
v_a: $i ).
thf(tc_set_decl,type,
tc_set: $i > $i ).
thf(c_Tarski_OisLub_decl,type,
c_Tarski_OisLub: $i > $i > $i > $i > $o ).
thf(v_cl_decl,type,
v_cl: $i ).
thf(v_L_decl,type,
v_L: $i ).
thf(c_Pair_decl,type,
c_Pair: $i > $i > $i > $i > $i ).
thf(tc_prod_decl,type,
tc_prod: $i > $i > $i ).
thf(v_sko__4mi_decl,type,
v_sko__4mi: $i > $i > $i > $i ).
thf(3,negated_conjecture,
t_a @ ( v_L @ ( v_cl @ ( v_S @ c_Tarski_OisLub ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',cls_conjecture_4) ).
thf(10,plain,
t_a @ ( v_L @ ( v_cl @ ( v_S @ c_Tarski_OisLub ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).
thf(2,negated_conjecture,
t_a @ tc_set @ ( t_a @ ( v_b @ ( v_a @ ( v_r @ c_Tarski_Ointerval ) ) ) @ ( v_S @ c_lessequals ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',cls_conjecture_2) ).
thf(9,plain,
t_a @ tc_set @ ( t_a @ ( v_b @ ( v_a @ ( v_r @ c_Tarski_Ointerval ) ) ) @ ( v_S @ c_lessequals ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).
thf(5,axiom,
! [F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
( ( C @ ( C @ tc_prod ) @ ( D @ ( C @ ( C @ ( F @ ( A @ c_Pair ) ) ) @ c_in ) ) )
| ~ ( C @ tc_set @ ( C @ ( F @ ( E @ ( D @ c_Tarski_Ointerval ) ) ) @ ( B @ c_lessequals ) ) )
| ~ ( C @ ( B @ ( A @ c_in ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',cls_Tarski_O_91_124_AS1_A_60_61_Ainterval_Ar_Aa1_Ab1_59_Ax1_A_58_AS1_A_124_93_A_61_61_62_A_Ix1_M_Ab1_J_A_58_Ar_A_61_61_ATrue_0) ).
thf(13,plain,
! [F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
( ( C @ ( C @ tc_prod ) @ ( D @ ( C @ ( C @ ( F @ ( A @ c_Pair ) ) ) @ c_in ) ) )
| ~ ( C @ tc_set @ ( C @ ( F @ ( E @ ( D @ c_Tarski_Ointerval ) ) ) @ ( B @ c_lessequals ) ) )
| ~ ( C @ ( B @ ( A @ c_in ) ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).
thf(7,axiom,
! [C: $i,B: $i,A: $i] :
( ( t_a @ ( t_a @ tc_prod ) @ ( v_r @ ( t_a @ ( t_a @ ( C @ ( B @ c_Pair ) ) ) @ c_in ) ) )
| ~ ( t_a @ ( t_a @ tc_prod ) @ ( v_r @ ( t_a @ ( t_a @ ( C @ ( C @ ( v_r @ ( A @ v_sko__4mi ) ) @ c_Pair ) ) ) @ c_in ) ) )
| ~ ( t_a @ ( v_A @ ( C @ c_in ) ) )
| ~ ( t_a @ ( B @ ( v_cl @ ( A @ c_Tarski_OisLub ) ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',cls_Tarski_O_91_124_AisLub_AS1_Acl_AL1_59_Az1_A_58_AA_59_AALL_Ay_58S1_O_A_Iy_M_Az1_J_A_58_Ar_A_124_93_A_61_61_62_A_IL1_M_Az1_J_A_58_Ar_A_61_61_ATrue_1) ).
thf(17,plain,
! [C: $i,B: $i,A: $i] :
( ( t_a @ ( t_a @ tc_prod ) @ ( v_r @ ( t_a @ ( t_a @ ( C @ ( B @ c_Pair ) ) ) @ c_in ) ) )
| ~ ( t_a @ ( t_a @ tc_prod ) @ ( v_r @ ( t_a @ ( t_a @ ( C @ ( C @ ( v_r @ ( A @ v_sko__4mi ) ) @ c_Pair ) ) ) @ c_in ) ) )
| ~ ( t_a @ ( v_A @ ( C @ c_in ) ) )
| ~ ( t_a @ ( B @ ( v_cl @ ( A @ c_Tarski_OisLub ) ) ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).
thf(4,negated_conjecture,
~ ( t_a @ ( t_a @ tc_prod ) @ ( v_r @ ( t_a @ ( t_a @ ( v_b @ ( v_L @ c_Pair ) ) ) @ c_in ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',cls_conjecture_6) ).
thf(11,plain,
~ ( t_a @ ( t_a @ tc_prod ) @ ( v_r @ ( t_a @ ( t_a @ ( v_b @ ( v_L @ c_Pair ) ) ) @ c_in ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).
thf(1,negated_conjecture,
t_a @ ( v_A @ ( v_b @ c_in ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',cls_conjecture_1) ).
thf(8,plain,
t_a @ ( v_A @ ( v_b @ c_in ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[1]) ).
thf(6,axiom,
! [C: $i,B: $i,A: $i] :
( ( t_a @ ( A @ ( C @ ( v_r @ ( A @ v_sko__4mi ) ) @ c_in ) ) )
| ( t_a @ ( t_a @ tc_prod ) @ ( v_r @ ( t_a @ ( t_a @ ( C @ ( B @ c_Pair ) ) ) @ c_in ) ) )
| ~ ( t_a @ ( v_A @ ( C @ c_in ) ) )
| ~ ( t_a @ ( B @ ( v_cl @ ( A @ c_Tarski_OisLub ) ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',cls_Tarski_O_91_124_AisLub_AS1_Acl_AL1_59_Az1_A_58_AA_59_AALL_Ay_58S1_O_A_Iy_M_Az1_J_A_58_Ar_A_124_93_A_61_61_62_A_IL1_M_Az1_J_A_58_Ar_A_61_61_ATrue_0) ).
thf(15,plain,
! [C: $i,B: $i,A: $i] :
( ( t_a @ ( A @ ( C @ ( v_r @ ( A @ v_sko__4mi ) ) @ c_in ) ) )
| ( t_a @ ( t_a @ tc_prod ) @ ( v_r @ ( t_a @ ( t_a @ ( C @ ( B @ c_Pair ) ) ) @ c_in ) ) )
| ~ ( t_a @ ( v_A @ ( C @ c_in ) ) )
| ~ ( t_a @ ( B @ ( v_cl @ ( A @ c_Tarski_OisLub ) ) ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).
thf(19,plain,
$false,
inference(e,[status(thm)],[10,9,13,17,11,8,15]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : LAT273-2 : TPTP v9.3.1. Released v3.2.0.
% 0.00/0.07 % Command : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% 0.12/5.40 % Computer : n010.cluster.edu
% 0.12/5.40 % Model : x86_64 x86_64
% 0.12/5.40 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/5.40 % Memory : 8046.5625MB
% 0.12/5.40 % OS : Linux 6.8.0-71-generic
% 0.12/5.40 % CPULimit : 300
% 0.12/5.40 % WCLimit : 300
% 0.12/5.40 % DateTime : Fri Sep 25 20:23:21 UTC 2026
% 0.12/5.41 % CPUTime :
% 0.12/5.41 Running java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% 0.17/5.71 % [INFO] Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ...
% 0.17/5.85 % [INFO] Parsing done (146ms).
% 0.17/5.87 % [INFO] Running in sequential loop mode.
% 1.48/6.26 % [INFO] eprover registered as external prover.
% 1.48/6.27 % [INFO] Scanning for conjecture ...
% 1.67/6.37 % [INFO] Found a conjecture (or negated_conjecture) and 3 axioms. Running axiom selection ...
% 1.67/6.40 % [INFO] Axiom selection finished. Selected 3 axioms (removed 0 axioms).
% 1.67/6.42 % [INFO] Problem is propositional (TPTP CNF).
% 1.67/6.42 % [INFO] Type checking passed.
% 1.67/6.43 % [CONFIG] Using configuration: timeout(300) with strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>. Searching for refutation ...
% 2.94/6.91 % External prover 'e' found a proof!
% 2.94/6.92 % [INFO] Killing All external provers ...
% 2.94/6.92 % Time passed: 1412ms (effective reasoning time: 1043ms)
% 2.94/6.92 % Axioms used in derivation (3): cls_Tarski_O_91_124_AS1_A_60_61_Ainterval_Ar_Aa1_Ab1_59_Ax1_A_58_AS1_A_124_93_A_61_61_62_A_Ix1_M_Ab1_J_A_58_Ar_A_61_61_ATrue_0, cls_Tarski_O_91_124_AisLub_AS1_Acl_AL1_59_Az1_A_58_AA_59_AALL_Ay_58S1_O_A_Iy_M_Az1_J_A_58_Ar_A_124_93_A_61_61_62_A_IL1_M_Az1_J_A_58_Ar_A_61_61_ATrue_1, cls_Tarski_O_91_124_AisLub_AS1_Acl_AL1_59_Az1_A_58_AA_59_AALL_Ay_58S1_O_A_Iy_M_Az1_J_A_58_Ar_A_124_93_A_61_61_62_A_IL1_M_Az1_J_A_58_Ar_A_61_61_ATrue_0
% 2.94/6.92 % No. of inferences in proof: 15
% 2.94/6.92 % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p : 1412 ms resp. 1043 ms w/o parsing
% 2.94/6.96 % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 2.94/6.96 % [INFO] Killing All external provers ...
%------------------------------------------------------------------------------